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HomeMy WebLinkAbout2005 Drainage Improvement Feasibility Study for Rt. 281/Renaissance/Bell DriveP-io RECEIVED MAY 1 0 2005 "U MAN IMPROVEMENT 'EASIBILITY STUDY FOR ,o 281/RIENAISSANCE/IB EL]LIE DRIVE TOWN OF CORTLANDVILLE �ORTLAND COUNTY, NEW YORK PREPARED FOR: TOWN OF CORTLANDVILLE TOWN HALL 3577 TERRACE ROAD CORTLAND, NEW YORK 13045 LANpGi z MAY 2005 PREPARED BY: C+Ar----- CLOUGH HARBOUR & ASSOCIATES LLP THE GALLERIES OF SYRACUSE 441 SOUTH SALINA STREET SYRACUSE, NEW YORK 13202 (315) 471-3920 CHA Project Number: 14038 I Table of Contents 1.0 INTRODUCTION A. PROJECT DESCRIPTION B. EXISTING WATERSHED CHARACTERISTICS 2.0 HYDROLOGICAL EVALUATION A. METHODOLOGY B. EXISTING CONDITIONS 3.0 OPTIONS 4.0 SUMMARY APPENDICES APPENDIX A FIGURES APPENDIX B SUBAREA COEFFICIENT NUMBERS (CN) APPENDIX C HYDROGRAPH SUMMARY SHEETS APPENDIX D 1 YEAR HYDROGRAPH PLOTS APPENDIX E 2 YEAR HYDROGRAPH PLOTS APPENDIX F 5 YEAR HYDROGRAPH PLOTS APPENDIX G 10 YEAR HYDROGRAPH PLOTS APPENDIX H 25 YEAR HYDROGRAPH PLOTS APPENDIX I 50 YEAR HYDROGRAPH PLOTS APPENDIX J 100 YEAR HYDROGRAPH PLOTS APPENDIX K POND REPORTS APPENDIX L COST ESTIMATES 2 2 3 3 3 4 6 1.0 INTRODUCTION A. Project Description The Town of Cortlandville requested a drainage analysis and feasibility study of a watershed area tributary to the west end of Belle Drive. More specifically, the study would evaluate the drainage culvert on the north side of Belle Drive that conveys approximately 300 acres of area under Bell Drive to the south. Evaluation of this culvert over recent rain events, it appears that the culvert is no longer capable of conveying the stormwater runoff for the contributing watershed area and ultimately to the Tioughnioga River. Stormwater runoff ponds several feet deep upstream of the culvert creating essentially a detention basin. However, this body of water is not in a desirable location because its proximity to the existing residential dwellings and NYS Route 281. This drainage analysis and feasibility study will analyze the existing conditions and offers five options as solutions to the drainage issues. B. Existing Watershed Characteristics Topography on the site consists mostly of moderate to steep slopes ranging from 5% to 20%. Drainage from the watershed area generally flows in an easterly direction, via overland flow into road side channels. The Point of Interest is the drainage culvert between the second and third house on the north side of Belle Drive as shown on Figure 01 — KEYMAP. This point of interest generally reflects the point of confluence for the watershed area of this study. Storm water runoff from the site continues to flow east eventually reaching the West Branch of the Tioughnioga River. The drainage area uses are mainly wooded (least runoff potential), residential (moderate runoff potential), and agricultural (higher runoff potential). The soils range from well draining soils along RT. 281 to somewhat poorly drained soils to the west. Based on a review of the USDA Soil Survey of Cortland County, New York, soils on the project site consist of a mix of soil types ranging from group A to D. A summary of the soil composition is shown in Table 1 and soil mapping is included in Figure 3 — Drainage Area Soils. TABLE 1— SOIL TYPES Hydrological Soil Name Soil Designation Soil Group Arnot AcC C/D Chagrin CaC B Dunkirk DaB,C B l Erie EbB,C C Howard HdB,C A Langford LaA,B,C,D C lLordstown LdB C l Lordstown LeB C Lordstown LfC C C Palmyra PbB,C B Phelps PdA B Tuller TeB D Valois -Howard VaC,D B RT. 281/RENAISSANCE/BELLE DRIVE 2 MAY 2005 CHA The USDA Natural Resource Conservation Service (NRCS), as part of their soil classification system, assigns each soil series to a hydrologic soil group (HSG). The HSG is a four-letter index (A-D) that is intended to show the relative potential for a soil to generate runoff. A soil classified as hydrologic soil group B is a soil that has moderate infiltration rates. They consist mainly of moderately deep to deep, moderately well to well drained soils. They have moderately fine to moderately coarse textures and have a moderate rate of water transmission. Soils classified as hydrologic soil group C have low infiltration rates and exhibit moderately fine to fine textures. The majority of this site contains soils classified under hydrologic soil group C. 2.0 HYDROLOGIC EVALUATION A. Methodology In order to evaluate the impacts associated with the existing culvert at Belle Drive, the existing condition hydrographs were generated for the site, using a type II rainfall distribution. Rainfall amounts were referenced from the "Urban Hydrology for Small Watersheds", published by the United States Department of Agriculture (NRCS), dated 1986. The 24-hour rainfall amounts are shown in Table 2. TABLE 2 — STORM EVENT TABLE 24 Hr. Storm Event Rainfall Depth 1 yr 2.2 inches 2 yr 2.6 inches 5 yr 3.3 inches 10 yr 3.8 inches 25 yr 4.3 inches 50 yr 4.8 inches 100 yr 5.2 inches For the on -site hydrologic analysis, runoff curve numbers and times of concentration were computed using NRCS TR-55 methodology. Additionally, peak stormwater flows and hydrographs for the existing conditions were computed using the Hydraflow Hydrographs 2004 computer software by Intelisolve. B. Existing Condition For the purposes of the existing condition analysis the site was divided into eleven sub areas totaling 302+/- acres. The sub area and covers are shown on Figures 5-15. The sub areas generally flow from northwest to southeast. All the sub areas flow overland and into road side channel reaching the Belle Drive culvert. There are essentially three detention basins within the study area. One is the Renaissance basin constructed in the summer of 2002. The second RT. 281/RENAISSANCE/BELLE DRIVE 3 MAY 2005 i CHA- basin is north of Hillside Drive and west of RT. 281. The third is the area directly upstream from the Belle Drive Culvert. All the detention basins are included in the study. The required modeling information was obtained from the construction drawings for the Renaissance basin. The second and third basin volumes and geometries are estimated, since no 1 topological survey information was obtained for the purpose of this study. The results of the existing condition analysis i are summarized in Table 3 below and detailed computations are included in the appendices. TABLE 3 - DATA SUMMARY DISCHARGE FLOW SUBAREA (cfs) 1 yr 2 yr 5 yr 10 yr 25 yr 50 yr 100 yr l 1 37.8 48.5 79.1 99.1 123.9 140.8 149.4 l 2 14.2 18.2 29.6 37.2 46.6 53.0 56.2 3 18.6 23.7 38.2 47.7 59.3 67.1 71.0 4 6.6 9.7 19.3 26.0 34.6 40.5 43.5 5 4.92 7.1 14.1 18.9 25.0 29.3 31.4 6 10.2 14.3 26.7 35.1 45.7 53.1 57.0 I 7 4.9 6.6 11.6 15.0 19.3 22.2 23.7 8 7.6 10.8 20.3 26.8 35.1 40.8 43.7 9 19.2 27.0 50.2 66.1 86.1 100.0 107.3 l l 10 5.7 7.4 12.5 15.9 20.1 23.0 24.5 11 2.4 3.2 5.6 7.3 9.2 10.5 11.2 TOTAL 73.8 93.6 216.7 326.7 431.6 505.5 540.2 The total discharge indicates the total flow of the watershed tributary to the culvert at Belle Drive. 3.0. MITIGATION OPTIONS From our analysis, it appears that this culvert at Belle Drive no longer has sufficient capability of conveying the stormwater runoff for the contributing watershed area. This may have been created by conversion of one land use to another, channelization of storm runoff may have increased the runoff for a given area of the watershed, and/or the culvert capacity may have deteriorated due to debris, sediment, or roots within the pipe. Given the quantity of water tributary to the culvert, the culvert needs to be replaced. Five options are offered as solutions to the existing drainage problem at Belle Drive: 1 RT. 281/RENAISSANCE/BELLE DRIVE 4 MAY 2005 CHA - Option 1. Replace the existing culvert with a 36" dia. storm sewer in the alignment shown on Figure 16. i PROS 1. Least ground disturbance for this type of system. 2. Lowest construction cost for this type of system. 3. No alteration of drainage location. CONS 1. Possible conflicts with existing utilities (sanitary sewer, electric, cable, gas, water) 2. Tree Removal 3. Easement acquisition required. 4. Proximity to existing dwellings. Option 2. Replace the existing culvert with a 36" dia. storm sewer in the alignment shown on Figure 16. PROS 1. Least ground disturbance for this type of system (about the same as Option 1). 2. Lowest construction cost for this type of system (about the same as Option 1). 3. No alteration of drainage location. CONS 1. Possible conflicts with existing utilities (sanitary sewer, electric, cable, gas, water) 2. Tree Removal 3. Easement acquisition required. 4. Proximity to existing dwellings. Option 3. Replace the existing culvert with a 36" dia. storm sewer in the alignment shown on Figure 16. PROS 1. Tree removal reduced. j CONS 1. Second highest construction cost. 2. Possible conflicts with existing utilities (sanitary sewer, electric, cable, gas, water) 3. Easement acquisition required. 4. Proximity to existing dwellings. 5. Minor alteration of drainage location. Option 4. Replace the existing culvert with a 36" dia. storm sewer in the alignment shown on Figure 16. PROS 1. Tree removal reduced. 2. Proximity to existing dwellings minimized. 3. Possible conflicts with existing utilities minimized or eliminated. CONS 1. Highest construction cost. 2. Easement acquisition required. 3. Significantly alters the drainage location. Option 5. Using the existing culvert align, jack/bore a 24" steel casing pipe in the same location under Belle Drive. PROS 1. Minimal ground disturbance. 2. No easement acquisition required. 3. Low cost. 4. No alteration of drainage location. CONS 1. Conflicts with existing utilities (sanitary sewer, electric, cable, gas, water) 2. Damage to dwelling foundations. 3. Lower flow capacity. RT. 281/RENAISSANCE/BELLE DRIVE 5 MAY 2005 04k- 4.0 SUMMARY In choosing which option is best, there are various criteria for selection that must be examined. Given the physical constraints of the area (dwelling proximity, topography, alterations of drainage locations, etc) multiple criteria should be used in determining the appropriate option selected. In addition, each criteria used to select the appropriate option may not be weighted equally. Cost may be weighted heavily while tree removal may not be weighted as heavily. Other criteria may come to light after reviewing this study for determining the appropriate option to proceed with. Cost estimates were completed for 4 of the 5 options. A cost estimate was not completed for Option 5 because it is not a viable option due to the potential for damage to the foundations of the nearby dwellings and the uncertainty in the cost of boring a large diameter pipe. (See Appendix L for cost estimates) Although Options 1 and 2 are less expensive than the other options, there are potential impacts including tree removal, impacts to existing utilities and the requirement of easements, which could raise the cost considerably. These alignments are also in close proximity to existing homes where there is the risk of damaging foundations is possible. In our opinion, Options 3 and 4, although more expensive, are more feasible alternatives because there is less impact on the surrounding homes. As mentioned above, all impacts must be considered together to determine what option would be the most effective option to proceed with. It is the responsibility of the Town Board to come to a final conclusion as to what option is best. 1 RT. 281/RENAISSANCE/BELLE DRIVE 6 MAY 2005 1 r� r APPENDIX A FIGURES ' RT. 281/RENAISSANCE/BELLE DRIVE MAY 2005 I r� 0 �.: o ~� �; r 17" W, `Nt'��• `� L� fI ��`� ^.�►� y+�• � "' !.n ,�yyam�� '; ... . 114 .01 low ow J, . 40-14 W. i - tor DAVIryCI D rw A � � �• I - �. I•:. ._ a r • ,try �,,v `_ J; ApDEN�NE ,c • k .ice ' '! * y. i �,y�I,` � �i AW ' , : ollkl,� wilot r -•.. r r ,. .48", �]' iota►.' - ,, _ , 1 i . I.. r-} y,,, , N� { •�• 1. •_, • � .�� ,..� t'r4 ..,� TOTAL DRAINAGE. - III 16 ' ..AREA = 304.801 AC TOWN OF CORTLANDVILLE FIGURE01 RT. 281/RENAISSANCE DRAINAGE/BELLE DRIVE I ©2W5 CLOUGH HARBOUR & ASSOCIATES LLP SCALE: KEYMAP 441 South Salina Street, Syracuse, NY 13202-4712 1 — 500" PROJ. NO.: 14038 1 DATE: MAY 2005 CORTLAND COUNTY STATE OF NEW YORK 1 i 18 ^ I • ¢ - :�— "Awl i'T. 43272 AC r 19.802 AC t Vo Nil, `mac• \., , �; ,r r � � A - 4 A' irA j .f - `� �- Ij/1 ' 1 .'" '- � r• ``�i °- i t ��,, '. C,� 1/" R►� �J�t ~ j\ i 0 1 cot . r' it OAK -TAP- , � .�-� 1�� t 1'..' ..:fit V. , l r�f�i► , \.\ (P ., fit% ! i r };# �tt'Y, b :,I - : j . TOTAL DRAINAGE.1 , AREA = 304.801 AC r..r,�,b } �, �; _. r lip TOWN OF CORTLANDVILLE I ©Y005 RT. 281/RENAISSANCE DRAINAGE/BELLE DRIVE FIGURE 02 CLOUGH HARBOUR & ASSOCIATES LLP ALL SUBAREAS SCALE: 441 South Salina Street, Syracuse, NY 13202-4712 1 " — 500" PROJ. NO.: 14038 ( DATE: MAY 2005 CORTLAND COUNTY STATE OF NEW YORK lw i N r \\ agricultural, fallow (88) � l tl l t golf course (74) wooded (70) -�'�-�'` commercial (94) 000000 00 0 Oo 1 acre residential (79) 0 O0�n0 vvvvvv ° ° ° ° vvvvvv 2 acre residential (77) vvvvvv vvvvvv 1/2 acres residential (80) 1/4 acre residential (83) ... open space (74) j� road row (83) all covers are assumed in "good" condition all soils assumed are hydrologic group "C" numbers in ( ) are runoff coefficient numbers soil soil hydrologic designation group group AcB Amot C/D CaB Chagrin B DaB,C Dunkirk B EbB,C Erie C HdB,C Howard A LaA,B,C,D Langford C LdB Lordstown C LeB Lordstown C LfC Lordstown C PbB,C Palmyra B PdA Phelps B TeB Tuller D VaC,D Valois -Howard B TOWN OF CORTLANDVILLE FIGURE04 RT. 281/RENAISSANCE DRAINAGE ©ZOOS CLOUGH HARBOUR & ASSOCIATES LLP SUBAREA LEGEND SCALE: 441 South Salina Street, Syracuse, NY 132024712 N.T.S. PROJ. 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NO.: 14038 DATE: MAY 2005 CORTLAND COUNTY STATE OF NEW YORK Y r� s ti, r � ♦ ad1,;, 'hJtl vvvv v v 4= v r w,v-v vvvvvvv�,�...� V V'iv'v 7y✓ Qvvv.vty �vvvv 7 bv�vQv ?� v•vv17 v4 v�7vvG;//// „ vvvvv �rvvvvvvvv, W vv vw111 vv'I V . i 176vvvvv'' v jvvvvvvvvl vvvvvvvvvv; v vvvvvvvvv v v v v v,,v_v. 4 "v"v-rrvvvv47 o.vvv vv•v; 4 v� y v V V owvvv,pvv' GGivQ�vv'v v, ?7 v v, v 'I E7'v v'; �b _v IN fv IN • ♦ ♦ ♦ ♦ •{i 0 UT ►A V +vvvv vvvvvIV V- V—�vvb =/vvv vvvv�E {�vvv�vvvvv\ v vWKC vvvvvv0 ��rvvvv�lv vjvvvvv 4v vvvvvvvv vtf vvvv,vvvvvv7.v v44 vvv vv 4jVvvp v 7vvvvvvvvvvvvvvv vvv';vv ,�• vv vV0V vMrIvvvv W vvvv vF G«vrvvvy W v v v v v v 'Q 8+v v-� It 7vvvvvv v vvvv J l i W W W W W �{w ^��ly1��j.' •'",. / W W W W vvvvvvvvv vV'-V V.IV k v v V. W W v 7vvvvvv-izL+vvvOvv.v +q�7vvv. ' �!�7 / W J W J•L v v v v v VI; v v v v v�y v .7 �i r'/ v v V-.V ! v v v v v� v v v v v v v v v v.'v 0 v S%,a �j ��{��{���•�TT �..� W W W W y, v v v v v� v v v vry v v v v ,7-t' yv .`�' 1y4 W W ,y ,y v v v v v v v v vvvvv •vvv V.. v v v v v vp v v v v v v v vV--#� ' v v v v v v v v v v v v v �.� v v VS v jVv. W `✓ W W 7 vvvvvvvvvv / I. /rtic:. v v�-.i}q v v -� W v v v v v v v v v v f v V ,V v v v v v �. ? v v v v v v v v v 17.,,V7 v v v vv v P, IA#Alk r '• dr. �s Jr �.�% TOWN OF CORTLANDVILLE FIGURE 12 RT. 281/RENAISSANCE DRAINAGE ©]005 CLOUGH HARBOUR & ASSOCIATES LLP SUBAREA 8 SCALE: 441 South Salina S eet, Syracuse, NY 132024712 1 " = 250' PROJ. NO.: 14038 DATE: MAY 2005 CORTLAND COUNTY STATE OF NEW YORK F, MY Moil or*_wf*. 4 �frrN��t I �i 4 0 19F "L a' 0 - %,,, "%,. 2frt1e ntry; air tat !016 ts &�r jo 4 INFLOW jmk- ft i� ', .e. CORTLAND COUNTRY CLUB .EXISTING CULVERT >EXJSTING CHAN EL r ' I 4l i -i K iI j B L DRIVE ( F: Ai --!, .. Ill, 1. 1- . +� A Awl !6i 7r HILLSIDE DRIVE i � N OUT.. FLOW ' r , � , I � : ' .i y�- �ti _ it z i • • IF i i EXISTING CULVERT • , .{ 7 EXISTING CHANNEL , •.;� '�I bp I Wft , y e ' x Y F s t TOWN OF CORTLANDVILLE C+14 RT. 281/RENAISSANCE DRAINAGE FIGURE 16 CLOUGHHARBOUR BASSOCIATES LLP CONSTRUCTION OPTIONS SCALE: 441 Soulh Salina S eet, Syracuse, NY 13202-4712 1 „ _ 200„ PROJ. NO.: 14038 DATE: MAY 2005 CORTLAND COUNTY STATE OF NEW YORK CHA- APPENDIX B SUBAREA COEFFICIENT NUMBERS (CN) IRT. 281/RENAISSANCE/BELLE DRIVE MAY 2005 Project: CORTLANDVIL Location: CORTLAND. N Circle one: EXISTING1 1. Runoff curve number (CN) Soil Name & Hydrologic Group ALL SOILS ASSUMED HYDROLOGICAL GROUP C Clough Harbour & Associates Runoff curve number Worksheet LE Job No. 14038 Y Subarea By P.B.Y. Date 3/2/2005 Checked Date Cover Description CN Area Product of (cover type, treatment & conditions) (acres) I CN x Area AGRICULTURAL, FALLOW 88 44.78 ( 3940.29 GOLF COURSE ( 74 1.22 ( 90.28 WOODED ( 70 16.37 1145.83 COMMERCIAL 94 096 89.96 1/4 ACRE RESIDENTIAL 83 0.59 48.89 1/2 ACRE RESIDENTIAL 80 0.00 I ACRE RESIDENTIAL 79 1.30 102.62 2 ACRE RESIDENTIAL 77 6.45 496.73 OPEN SPACE 74 0.00 ROAD ROW 83 2.94 243.85 0.00 0.00 0.00 0.00 0.00 0.00 0.00 TOTAL = 74.60 6158.45 CN (weighted) = total product = total area CN (weighted) = 82.55 6158.45 74.60 Use CN= 83 I:\14038\1101\dwg\CN SUBAREA1.xls Project: CORTLANDVILLE Location: CORTLAND. NY Circle one: EXISTING1 1. Runoff curve number (CN) Soil Name & Hydrologic Group ALL SOILS ASSUMED HYDROLOGICAL GROUP C Clough Harbour & Associates Runoff curve number Worksheet Job No. 14038 Subarea Cover Description (cover type, treatment & conditions) AGRICULTURAL, FALLOW GOLF COURSE WOODED COMMERCIAL 1/4 ACRE RESIDENTIAL 1/2 ACRE RESIDENTIAL 1 ACRE RESIDENTIAL 2 ACRE RESIDENTIAL OPEN SPACE ROAD ROW CN (weighted) = total product = total area CN (weighted) = 83.16 By P.B.Y. Date 3/2/2005 Checked Date 2 CN Area Product of (acres) CN x Area 88 14.47 1273.62 74 0.00 70 5.33 373.03 94 0.00 83 0.00 80 0.00 79 0.00 77 0.00 74 0.00 83 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 TOTAL = 19.80 1646.65 1646.65 19.80 Use CN= 83 I:\14038\1101\dwg\CN SUBAREA2.xls Project: CORTLANDVILLE Location: CORTLAND. NY Circle one: J EXISTING1 1. Runoff curve number (CN) Soil Name & Hydrologic) Group ALL SOILS ASSUMED HYDROLOGICAL GROUP C Clough Harbour & Associates Runoff curve number Worksheet Job No. 14038 Subarea Cover Description (cover type, treatment & conditions) AGRICULTURAL, FALLOW GOLF COURSE WOODED COMMERCIAL 1/4 ACRE RESIDENTIAL 1/2 ACRE RESIDENTIAL I ACRE RESIDENTIAL 2 ACRE RESIDENTIAL OPEN SPACE ROAD ROW CN (weighted) = total product = total area CN (weighted) = 83.56 By P.B.Y. Date 3/2/2005 Checked Date 7 CN Product of IArea (acres) CN x Area 88 25.56 2249.02 74 0.00 70 2.29 160.51 94 0.00 83 0.00 80 0.00 79 3.80 300.04 77 9.78 752.98 74 0.00 83 1.84 153.05 0.00 0.00 0.00 0.00 0.00 0.00 0.00 TOTAL = 143.27 3615.60 3615.60 43.27 Use CN= 84 I:\14038\1101\dwg\CN SUBAREA3.xls Project: CORTLANDVILLE Location: CORTLAND. NY Circle one: 1 EXISTING1 1. Runoff curve number (CN) Soil Name & Hydrologic Group ALL SOILS ASSUMED HYDROLOGICAL GROUP C Clough Harbour & Associates Runoff curve number Worksheet Job No. 14038 Subarea Cover Description (cover type, treatment & conditions) AGRICULTURAL, FALLOW GOLF COURSE WOODED COMMERCIAL 1/4 ACRE RESIDENTIAL 1/2 ACRE RESIDENTIAL 1 ACRE RESIDENTIAL 2 ACRE RESIDENTIAL OPEN SPACE ROAD ROW CN (weighted) = total product = total area CN (weighted) = 74.04 By P.B.Y. Date 3/2/2005 Checked Date 4 CN Area Product of (acres) CN x Area 88 0.00 74 0.00 70 10.99 769.09 94 0.00 83 0.00 80 0.00 79 0.00 77 7.38 568.03 74 4.02 297.78 83 2.53 209.66 0.00 0.00 0.00 0.00 0.00 0.00 0.00 TOTAL = 24.91 1844.55 1844.55 24.91 Use CN= 74 IM 4038\1 1 01\dwg\CN SUBAREA4.xls Project: CORTLANDVIL Location: CORTLAND. N Circle one: EXISTING 1. Runoff curve number (CN) Soil Name & Hydrologic) Group ALL SOILS ASSUMED HYDROLOGICAL GROUP C Clough Harbour & Associates Runoff curve number Worksheet LE Job No. 14038 Y Subarea Cover Description (cover type, treatment & conditions) AGRICULTURAL, FALLOW GOLF COURSE WOODED COMMERCIAL 1/4 ACRE RESIDENTIAL 1/2 ACRE RESIDENTIAL 1 ACRE RESIDENTIAL 2 ACRE RESIDENTIAL OPEN SPACE ROAD ROW CN (weighted) = total product = total area CN (weighted) = 74.48 By P.B.Y. Date 3/2/2005 Checked Date 5 CN Area Product of (acres) CN x Area 88 ( 0.00 74 ( 0.00 70 7.39 517.37 94 0.00 83 0.00 80 0.00 79 0.66 52.14 77 5.06 389.77 74 0.00 83 2.04 169.07 0.00 0.00 0.00 0.00 0.00 0.00 0.00 TOTAL =I 15.15 ( 1128.36 1128.36 15.15 Use CN= 74 I:\14038\1101\dwg\CN SUBAREAS.xIs Project: CORTLANDVILLE Location: CORTLAND. NY Circle one: EXISTING) 1. Runoff curve number (CN) Soil Name & Hydrologic Group ALL SOILS ASSUMED HYDROLOGICAL GROUP C I Clough Harbour & Associates Runoff curve number Worksheet Job No. 14038 Subarea Cover Description (cover type, treatment & conditions) AGRICULTURAL, FALLOW GOLF COURSE WOODED COMMERCIAL 1/4 ACRE RESIDENTIAL 1/2 ACRE RESIDENTIAL I ACRE RESIDENTIAL 2 ACRE RESIDENTIAL OPEN SPACE ROAD ROW CN (weighted) = total product = total area CN (weighted) = 76.06 By P.B.Y. Date 3/2/2005 Checked Date 6 CN Area Product of (acres) CN x Area 88 0.00 74 0.00 70 6.08 425.32 94 0.00 83 0.00 80 0.00 79 0.00 77 16.25 1251.40 74 0.00 83 3.11 258.13 0.00 0.00 0.00 0.00 0.00 0.00 0.00 TOTAL = 25.44 1934.85 1934.85 25.44 Use CN= 76 I:\14038\1101\dwg\CN SUBAREA6.xis Project: CORTLANDVILLE Location: CORTLAND. NY Circle one: EXISTING) 1. Runoff curve number (CN) Soil Name & Hydrologic Group ALL SOILS ASSUMED HYDROLOGICAL GROUP C I Clough Harbour & Associates Runoff curve number Worksheet Job No. 14038 Subarea Cover Description (cover type, treatment & conditions) AGRICULTURAL, FALLOW GOLF COURSE WOODED COMMERCIAL 1/4 ACRE RESIDENTIAL 1/2 ACRE RESIDENTIAL 1 ACRE RESIDENTIAL 2 ACRE RESIDENTIAL OPEN SPACE ROAD ROW CN (weighted) = total product = total area CN (weighted) = 78.91 By P.B.Y. Date 3/2/2005 Checked Date 7 CN Area Product of (acres) CN x Area 88 2.08 182.78 74 0.00 70 0.00 94 ( 0.00 83 0.00 80 0.00 79 ( ( 0.00 77 12.06 928.47 74 0.00 83 1.03 85.24 0.00 0.00 0.00 0.00 0.00 0.00 0.00 TOTAL = ( 15.16 1196.48 1196.48 15.16 Use CN= 79 I:\14038\1101\dwg\CN SUBAREA7.xls Project: CORTLANDVIL Location: CORTLAND. N Circle one: I EXISTING1 1. Runoff curve number (CN) Soil Name & Hydrologic Groun ALL SOILS ASSUMED HYDROLOGICAL GROUP C I Clough Harbour & Associates Runoff curve number Worksheet LE Job No. 14038 Y Subarea By P.B.Y. Date 3/2/2005 Checked Date 8 Cover Description CN Product of (cover type, treatment & conditions) I acres I (Area) I CN x Area AGRICULTURAL, FALLOW 88 ( 0.00 GOLF COURSE 74 0.00 WOODED 70 5.22 ( 365.61 COMMERCIAL 94 ( 0.00 1/4 ACRE RESIDENTIAL 83 ( 0.00 1/2 ACRE RESIDENTIAL 80 0.00 1 ACRE RESIDENTIAL 79 0.00 2 ACRE RESIDENTIAL ( 77 15.72 1 1210.75 OPEN SPACE 74 0.00 ROAD ROW 83 2.27 188.08 0.00 0.00 0.00 0.00 0.00 0.00 0.00 TOTAL = 23.21 1764.44 CN (weighted) = total product = total area CN (weighted) = 76.01 1764.44 23.21 Use CN= 76 I:\14038\1101\dwg\CN SUBAREA8.xIs Project: CORTLANDVIL Location: CORTLAND. N Circle one: EXISTING1 1. Runoff curve number (CN) Soil Name & Hydrologic Group ALL SOILS ASSUMED HYDROLOGICAL GROUP C I Clough Harbour & Associates Runoff curve number Worksheet LE Job No. 14038 Y Subarea By P.B.Y. Date 3/2/2005 Checked Date we Cover Description CN Product of (cover type, treatment & conditions) I acres I (Area) I CN x Area AGRICULTURAL, FALLOW 88 0.00 GOLF COURSE 74 ( 0.00 WOODED 70 ( 8.81 ( 616.42 COMMERCIAL ( 94 0.00 1/4 ACRE RESIDENTIAL 83 2.25 186.50 1/2 ACRE RESIDENTIAL ( 80 5.60 448.16 1 ACRE RESIDENTIAL 79 0.00 2 ACRE RESIDENTIAL 77 15.56 1 1197.74 OPEN SPACE 74 11.31 836.79 ROAD ROW 83 4.36 361.71 0.00 0.00 0.00 0.00 0.00 0.00 0.00 TOTAL = I 47.88 ( 3647.32 CN (weighted) = total product = total area CN (weighted) = 76.18 3647.32 47.88 Use CN= 76 I:\14038\1101\dwg\CN SUBAREA9.xis Project: CORTLANDVILLE Location: CORTLAND. NY Circle one: EXISTING 1. Runoff curve number (CN) Soil Name & Hydrologic Group ALL SOILS ASSUMED HYDROLOGICAL GROUP C Clough Harbour & Associates Runoff curve number Worksheet Job No. 14038 Subarea Cover Description (cover type, treatment & conditions) AGRICULTURAL, FALLOW GOLF COURSE WOODED COMMERCIAL 1/4 ACRE RESIDENTIAL 1/2 ACRE RESIDENTIAL 1 ACRE RESIDENTIAL 2 ACRE RESIDENTIAL OPEN SPACE ROAD ROW CN (weighted) = total product = total area CN (weighted) = 80.56 By P.B.Y. Date 3/2/2005 Checked Date 10 CN Product of IArea (acres) CN x Area 88 0.00 74 ( ( 0.00 70 ( 0.00 94 0.00 83 ( 0.00 80 7.49 599.44 79 0.00 77 0.00 74 0.00 83 1.71 141.93 0.00 0.00 0.00 0.00 0.00 0.00 0.00 TOTAL = ( 9.20 I 741.37 741.37 9.20 Use CN= 81 I:\14038\1101\dwg\CN SUBAREA10.As Project: CORTLANDVIL Location: CORTLAND. N Circle one: EXISTING 1. Runoff curve number (CN) Soil Name & Hydrologic Groun ALL SOILS ASSUMED HYDROLOGICAL GROUP C Clough Harbour & Associates Runoff curve number Worksheet LE Job No. 14038 Y Subarea Cover Description (cover type, treatment & conditions) AGRICULTURAL, FALLOW GOLF COURSE WOODED COMMERCIAL 1/4 ACRE RESIDENTIAL 1/2 ACRE RESIDENTIAL I ACRE RESIDENTIAL 2 ACRE RESIDENTIAL OPEN SPACE ROAD ROW CN (weighted) = total product = total area CN (weighted) = 80.46 By P.B.Y. Date 3/2/2005 Checked Date CN Product of (Area (acres) I CN x Area 88 0.00 74 1.74 ( 128.54 70 0.00 94 0.00 83 2.68 222.77 80 0.00 79 0.00 77 0.00 74 0.00 83 1.74 144.42 0.00 0.00 0.00 0.00 0.00 0.00 0.00 TOTAL = I 6.16 495.73 495.73 6.16 Use CN= 80 I:\14038\1101\dwg\CN SUBAREA11.xls CHA- APPENDIX C HYDROGRAPH SUMMARY SHEETS RT. 28 1 /RENAISSANCE/BELLE DRIVE MAY 2005 Hydrograph Summary Report Hyd. Hydrograph Peak Time Time to Volume Inflow Maximum Maximum Hydrograph No. type flow interval peak hyd(s) elevation storage description (origin) (cfs) (min) (min) (cuft) (ft) (cuft) 1 SCS Runoff 37.81 6 744 220,497 ---- ------ ------ SUBAREA 1 2 SCS Runoff 14.25 6 732 60,024 ---- ------ ------ SUBAREA 2 3 SCS Runoff 18.63 6 756 142,070 ---- ------ ------ SUBAREA 3 4 SCS Runoff 6.60 6 738 41,707 ---- ------ ------ SUBAREA 4 5 SCS Runoff 4.92 6 732 24,595 ---- ------ ------ SUBAREA 5 6 SCS Runoff 10.23 6 732 48,059 ---- ------ ------ SUBAREA 6 7 SCS Runoff 4.90 6 750 35,407 ---- ------ ------ SUBAREA 7 8 SCS Runoff 7.65 6 738 45,227 ---- ------ ------ SUBAREA 8 9 SCS Runoff 19.25 6 732 90,453 ---- ------ ------ SUBAREA 9 10 SCS Runoff 5.72 6 732 24,551 ---- ------ ------ SUBAREA 10 11 SCS Runoff 2.47 6 744 15,002 ---- ------ ------ SUBAREA 11 12 Reservoir 12.98 6 786 142,068 3 1403.08 19,692 SUBAREA 3 13 Combine 64.54 6 738 462,142 1, 2, 10, 11, 12 ------ ------ SUBAREA 1,2,3,10,11 14 Combine 50.55 6 732 285,449 4, 5, 6, 7, 8, 9, ------ ------ SUBAREA 4,5,6,7,8,9 15 Reservoir 12.40 6 786 285,421 14 1152.88 93,742 SUBAREA 4,5,6,7,8,9 16 Combine 73.83 6 738 747,563 13,15 ------ ------ ALL SUBAREA CORTLANDVILLE.gpw Return Period: 1 Year Thursday, Mar 3 2005, 10:09 AM Hydraflow Hydrographs by Intelisolve Hydrograph Summary Report Hyd. Hydrograph Peak Time Time to Volume Inflow Maximum Maximum No. type flow interval peak hyd(s) elevation storage (origin) (cfs) (min) (min) (cuft) (ft) (cuft) 1 SCS Runoff 48.54 6 744 278,794 ---- ------ 2 SCS Runoff 18.22 6 732 75,894 ---- ------ 3 SCS Runoff 23.75 6 756 178,420 ---- ------ 4 SCS Runoff 9.70 6 738 56,727 ---- ------ 5 SCS Runoff 7.19 6 732 33,452 ---- ------ 6 SCS Runoff 14.35 6 732 64,134 ---- ------ 7 SCS Runoff 6.62 6 750 46,089 ---- ------ 8 SCS Runoff 10.81 6 738 60,356 ---- ------ 9 SCS Runoff 27.01 6 732 120,709 ---- ------ 10 SCS Runoff 7.47 6 732 31,482 ---- ------ 11 SCS Runoff 3.28 6 744 19,379 ---- 12 Reservoir 14.81 6 792 178,418 3 1403.78 13 Combine 82.20 6 738 583,967 1, 2, 10, 11, 12 ------ 14 Combine 72.13 6 732 381,467 4, 5, 6, 7, 8, 9, ------ 15 Reservoir 14.35 6 792 381,440 14 1153.60 16 Combine 93.65 6 738 965,407 13,15 Hydrograph description ------ SUBAREA 1 ------ SUBAREA 2 ------ SUBAREA 3 ------ SUBAREA 4 ------ SUBAREA 5 ------ SUBAREA 6 ------ SUBAREA 7 ------ SUBAREA 8 ------ SUBAREA 9 ----- SUBAREA 10 ------ SUBAREA 11 31,484 SUBAREA 3 ------ SUBAREA 1,2,3,10,11 SUBAREA 4,5,6,7,8,9 141,717 SUBAREA4,5,6,7,8,9 ------ ALL SUBAREA CORTLANDVILLE.gpw Return Period: 2 Year Thursday, Mar 3 2005, 10:25 AM Hydraflow Hydrographs by Intelisolve Hydrograph Summary Report Hyd. Hydrograph Peak Time Time to Volume Inflow Maximum Maximum Hydrograph No. type flow interval peak hyd(s) elevation storage description (origin) (cfs) (min) (min) (cuft) (ft) (cuft) 1 SCS Runoff 79.11 6 744 446,678 ---- ------ ------ SUBAREA 1 2 SCS Runoff 29.64 6 726 121,596 ---- ------ ------ SUBAREA 2 3 SCS Runoff 38.27 6 756 282,418 ---- ------ ------ SUBAREA 3 4 SCS Runoff 19.35 6 738 102,956 ---- ------ ------ SUBAREA 4 5 SCS Runoff i 14.15 6 732 60,714 ---- ------ ------ SUBAREA 5 6 SCS Runoff 26.71 6 732 112,850 ---- ------ ------ SUBAREA 6 7 SCS Runoff 11.68 6 750 77,728 ---- ------ ------ SUBAREA 7 8 SCS Runoff 20.35 6 738 106,202 ---- ------ ------ SUBAREA 8 9 SCS Runoff 50.27 6 732 212,399 ---- ------ ------ SUBAREA 9 10 SCS Runoff 12.51 6 732 51,717 ---- ------ ------ SUBAREA 10 11 SCS Runoff 5.65 6 744 32,250 ---- ------ ------ SUBAREA 11 12 Reservoir 18.93 6 804 282,416 3 1405.70 71,332 SUBAREA 3 13 Combine 1 131.22 6 738 934,658 1, 2, 10, 111, 12 ------ ------ i SUBAREA 1,2,3,10,11 14 Combine 137.67 = 6 732 672,848 4, 5, 6, 7, 8, 9, ------ ------ j SUBAREA 4,5,6,7,8,9 15 Reservoir 97.30 6 750 672,821 14 1154.29 194,266 SUBAREA 4,5,6,7,8,9 16 Combine 216.73 6 744 1,607,478 13,15 ------ ------ ALL SUBAREA CORTLANDVILLE.gpw Return Period: 5 Year Thursday, Mar 3 2005, 10:25 AM Hydraflow Hydrographs by Intelisolve Hydrograph Summary Report Hyd. Hydrograph Peak Time Time to Volume Inflow Maximum Maximum Hydrograph No. type flow interval peak hyd(s) elevation storage description (origin) (cfs) (min) (min) (cuft) (ft) (cuft) 1 SCS Runoff 99.13 6 744 558,083 ---- ------ ------ SUBAREA 1 2 SCS Runoff 37.29 6 726 151,923 ---- ------ ------ SUBAREA 2 3 SCS Runoff 47.75 6 756 351,065 ---- ------ ------ SUBAREA 3 4 SCS Runoff 26.07 6 738 135,340 ---- ------ ------ SUBAREA 4 5 SCS Runoff 18.96 6 732 79,810 - - SUBAREA 5 6 SCS Runoff 35.15 6 732 146,529 ---- ------ ------ SUBAREA 6 7 SCS Runoff 15.09 6 750 99,201 ---- ------ ------ SUBAREA 7 8 SCS Runoff 26.89 6 738 137,897 ---- ------ ------ SUBAREA 8 9 SCS Runoff 66.15 6 732 275,789 ---- ------ ------ SUBAREA 9 10 SCS Runoff 15.92 6 726 65,293 ---- ------ ------ SUBAREA 10 11 SCS Runoff 7.23 6 744 40,935 ---- ------ ------ SUBAREA 11 12 Reservoir 33.48 6 786 351,063 3 1406.31 1 86,169 SUBAREA3 13 Combine 163.04 6 738 1,167,297 1, 2, 10, 11, 12 ------ ------ SUBAREA 1,2,3,10,11 14 Combine 182.75 6 732 874,567 4, 5, 6, 7, 8, 9, ------ ------ SUBAREA 4,5,6,7,8,9 15 Reservoir 163.68 6 738 874,539 14 1154.43 206,128 SUBAREA 4,5,6,7,8,9 16 Combine 326.72 6 I 738 2,041,835 1 13,15 ------ ALL SUBAREA CORTLANDVILLE.gpw Return Period: 10 Year Thursday, Mar 3 2005, 10:25 AM Hydraflow Hydrographs by Intelisolve Hydrograph Summary Report Hyd. Hydrograph Peak Time Time to Volume Inflow Maximum Maximum Hydrograph No. type flow interval peak hyd(s) elevation storage description (origin) (cfs) (min) (min) (cuft) (ft) (cuft) 1 SCS Runoff 123.95 6 738 696,278 ---- ------ ------ SUBAREA 1 2 SCS Runoff 46.68 6 726 189,543 ---- ------ ------ SUBAREA 2 3 SCS Runoff 59.34 6 756 435,958 ---- ------ ------ SUBAREA 3 4 SCS Runoff 34.61 6 738 176,807 ---- ------ ------ SUBAREA 4 5 SCS Runoff 25.07 6 732 104,264 ---- ------ ------ SUBAREA 5 6 SCS Runoff 45.76 6 732 189,324 ---- ------ ------ SUBAREA 6 7 SCS Runoff 19.34 6 750 126,191 ---- ------ ------ SUBAREA 7 8 SCS Runoff 35.14 6 738 178,171 ---- ------ ------ SUBAREA 8 9 SCS Runoff 86.13 6 732 356,336 ---- ------ ------ SUBAREA 9 10 SCS Runoff 20.19 6 726 82,242 ---- ------ ------ SUBAREA 10 11 SCS Runoff 9.20 6 744 51,813 ---- ------ ------ SUBAREA 11 12 Reservoir 50.40 6 774 435,956 3 1406.52 91,773 SUBAREA 3 13 Combine 202.01 6 738 1,455,831 1, 2, 10, 11„ 12 ------ ------ SUBAREA 1,2,3,10,11 14 Combine 239.72 6 732 1,131,092 4, 5, 6, 7, 8, 9, ------ ------ SUBAREA4,5,6,7,8,9 15 Reservoir 229.68 6 738 1,131,064 14 1154.54 216,221 SUBAREA 4,5,6,7,8,9 16 Combine 431.69 6 738 2,586,896 13,15 ------ ------ ALL SUBAREA CORTLANDVILLE.gpw Return Period: 25 Year Thursday, Mar 3 2005, 10:25 AM Hydraflow Hydrographs by Intelisolve Hydrograph Summary Report Hyd. Hydrograph Peak Time Time to Volume Inflow Maximum Maximum Hydrograph No. type flow interval peak hyd(s) elevation storage description (origin) (cfs) (min) (min) (cuft) (ft) (cuft) 1 SCS Runoff 140.88 6 738 790,502 ---- ------ ------ SUBAREA 1 2 SCS Runoff 53.03 6 726 215,193 ---- ------ ------ SUBAREA 2 3 SCS Runoff 67.16 6 756 493,717 ---- ------ ------ SUBAREA 3 4 SCS Runoff 40.52 6 738 205,721 ---- ------ ------ SUBAREA 4 5 SCS Runoff 29.30 6 732 121,314 ---- ------ ------ SUBAREA 5 6 SCS Runoff 53.17 6 726 219,001 ---- ------ ------ SUBAREA 6 7 SCS Runoff 22.24 6 750 144,765 ---- ------ ------ SUBAREA 7 8 SCS Runoff 40.81 6 738 206,100 ---- ------ ------ SUBAREA8 9 SCS Runoff 100.08 6 726 412,192 ---- ------ ------ SUBAREA 9 10 SCS Runoff 23.09 6 726 93,850 ---- ------ ------ SUBAREA 10 11 SCS Runoff 10.53 6 744 59,281 ---- ------ ------ SUBAREA 11 12 Reservoir 60.77 6 768 493,715 3 1406.63 94,685 SUBAREA 3 13 Combine 228.23 6 738 1,652,542 1, 2, 10, 11, 12 ------ ------ SUBAREA 1,2,3,10,11 14 Combine 279.00 6 732 1,309,093 4, 5, 6, 7, 8, 9, ------ ------ SUBAREA4,5,6,7,8,9 15 Reservoir 282.36 6 732 1,309,066 14 1154.63 223,571 SUBAREA4,5,6,7,8,9 16 Combine 505.52 6 732 2,961,609 13,15 ------ ------ ALL SUBAREA Hydrograph Summary Report Hyd, Hydrograph Peak Time Time to Volume Inflow Maximum Maximum Hydrograph No. type flow interval peak hyd(s) elevation storage description (origin) (cfs) (min) (min) (cuft) (ft) (cuft) 1 SCS Runoff 149.40 6 738 838,129 ---- ------ ------ SUBAREA 1 2 SCS Runoff 56.23 6 726 228,158 ---- ------ ------ SUBAREA2 3 SCS Runoff 71.09 6 756 522,882 ---- ------ - ------ SUBAREA 3 4 SCS Runoff 43.53 6 738 220,500 ---- ------ ------ SUBAREA 4 5 SCS Runoff 31.45 6 732 130,030 ---- ------ ------ SUBAREA 5 6 SCS Runoff 57.01 6 726 234,129 ---- ------ ------ SUBAREA 6 7 SCS Runoff 23.71 6 750 154,197 ---- ------ ------ SUBAREA 7 8 SCS Runoff 43.70 6 738 220,337 ---- ------ ------ SUBAREA 8 9 SCS Runoff 107.30 6 726 440,665 ---- ------ ------ SUBAREA 9 10 SCS Runoff 24.56 6 726 99,730 ---- ------ ------ SUBAREA 10 11 SCS Runoff 11.21 6 738 63,069 ---- ------ ------ SUBAREA 11 12 Reservoir 65.24 6 ! 768 522,881 3 1406.68 95,870 SUBAREA 3 13 Combine 241.41 6 738 1,751,967 1, 2, 10, 11, 12 ------ ------ SUBAREA 1,2,3,10,11 14 Combine 298.96 6 732 1,399,857 4, 5, 6, 7, 8, 9, ------ ------ SUBAREA4,5,6,7,8,9 15 Reservoir 303.86 6 i 732 1,399,829 14 1154.66 226,414 SUBAREA 4,5,6,7,8,9 16 Combine 540.20 6 732 3,151,799 13,15 ------ ------ ALL SUBAREA CORTLANDVILLE.gpw Return Period: 100 Year Thursday, Mar 3 2005, 10:25 AM Hydraflow Hydrographs by Intelisolve h APPENDIX D 1 YEAR HYDROGRAPHS CHA- RT. 281/RENAISSANCE/BELLE DRIVE MAY 2005 Hydrograph Plot Hydraflow Hydrographs by Intelisolve Hyd. No. 1 SUBAREA 1 Hydrograph type = SCS Runoff Storm frequency = 1 yrs Drainage area = 74.607 ac Basin Slope = 0.0 % Tc method = TR55 Total precip. = 2.20 in Storm duration = 24 hrs Q (cfs) 40.00 30.00 20.00 10.00 i 0.00 0 2 4 6 8 - z - Hyd No. 1 SUBAREA 1 Hyd. No. 1 -- 1 Yr Thursday, Mar 3 2005, 10:9 AM Peak discharge = 37.81 cfs Time interval = 6 min Curve number = 83 Hydraulic length = Oft Time of conc. (Tc) = 43.40 min Distribution = Type II Shape factor = 484 Hydrograph Volume = 220,497 cuft Q (cfs) 40.00 30.00 20.00 4i 10.00 0.00 10 12 14 16 18 20 22 24 26 Time (hrs) TR55 Tc Worksheet Hydraflow Hydrographs by Intelisolve • T.E_G Description A B C Totals Sheet Flow Manning's n-value = 0.400 0.011 0.011 Flow length (ft) = 150.0 0.0 0.0 Two-year 24-hr precip. (in) = 2.60 0.00 0.00 Land slope (%) = 8.00 0.00 0.00 Travel Time (min) = 18.93 + 0.00 + 0.00 = 18.93 Shallow Concentrated Flow Flow length (ft) = 2800.00 0.00 0.00 Watercourse slope (%) = 9.00 0.00 0.00 Surface description = Unpaved Paved Paved Average velocity (ft/s) = 4.84 0.00 0.00 Travel Time (min) = 9.64 + 0.00 + 0.00 = 9.64 Channel Flow X sectional flow area (sgft) = 2.00 0.00 0.00 Wetted perimeter (ft) = 6.00 0.00 0.00 Channel slope (%) = 0.50 0.00 0.00 Manning's n-value = 0.030 0.015 0.015 Velocity (ft/s) = 1.68 0.00 0.00 Flow length (ft) = 1500.0 0.0 0.0 Travel Time (min) = 14.86 + 0.00 + 0.00 = 14.86 Total Travel Time, Tc.............................................................................. 43.40 min Hydrograph Plot Hydraflow Hydrographs by Intelisolve Hyd. No. 2 SUBAREA2 Hydrograph type = SCS Runoff Storm frequency = 1 yrs Drainage area = 19.802 ac Basin Slope = 0.0 % Tc method = TR55 Total precip. = 2.20 in Storm duration = 24 hrs Q (cfs) 15.00 12.00 I M� Thursday, Mar 3 2005, 10:9 AM Peak discharge = 14.25 cfs Time interval = 6 min Curve number = 83 Hydraulic length = Oft Time of conc. (Tc) = 28.90 min Distribution = Type II Shape factor = 484 Hydrograph Volume = 60,024 cult SUBAREA2 Hyd. No. 2 -- 1 Yr Q (cfs) 15.00 12.00 MN 6.00 6.00 I 3.00 3.00 0.00 0.00 0 2 4 6 8 10 12 14 16 18 20 22 24 26 --------- Hyd No. 2 Time (hrs) TR55 Tc Worksheet Hydraflow Hydrographs by Intelisolve Hyd. No. 2 SUBAREA 2 Description A B C Totals Sheet Flow Manning's n-value = 0.400 0.011 0.011 Flow length (ft) = 150.0 0.0 0.0 Two-year 24-hr precip. (in) = 2.60 0.00 0.00 Land slope (%) = 7.00 0.00 0.00 Travel Time (min) = 19.96 + 0.00 + 0.00 = 19.96 Shallow Concentrated Flow Flow length (ft) = 1300.00 0.00 0.00 Watercourse slope (%) = 8.00 0.00 0.00 Surface description = Unpaved Paved Paved Average velocity (ft/s) = 4.56 0.00 0.00 Travel Time (min) = 4.75 + 0.00 + 0.00 = 4.75 Channel Flow X sectional flow area (sqft) = 2.00 0.00 0.00 Wetted perimeter (ft) = 6.00 0.00 0.00 Channel slope (%) = 5.00 0.00 0.00 Manning's n-value = 0.050 0.015 0.015 Velocity (ft/s) = 3.19 0.00 0.00 Flow length (ft) = 800.0 0.0 0.0 Travel Time (min) = 4.18 + 0.00 + 0.00 = 4.18 Total Travel Time, Tc.............................................................................. 28.90 min Hydrograph Plot Hydraflow Hydrographs by Intelisolve Hyd. No. 3 SUBAREA3 Hydrograph type = SCS Runoff Storm frequency = 1 yrs Drainage area = 43.272 ac Basin Slope = 0.0 % Tc method = TR55 Total precip. = 2.20 in Storm duration = 24 hrs Q (cfs) 21.00 18.00 15.00 -- - 12.00 • 11 6.00 3.00 0 0 2 4 ------ Hyd No. 3 Thursday, Mar 3 2005, 10:9 AM Peak discharge = 18.63 cfs Time interval = 6 min Curve number = 84 Hydraulic length = Oft Time of conc. (Tc) = 61.80 min Distribution = Type II Shape factor = 484 Hydrograph Volume = 142,070 cuft SUBAREA3 Hyd. No. 3 -- 1 Yr Q (cfs) 21.00 +� 18.00 I 15.00 12.00 3 II 3. iff 3.00 0.00 8 10 12 14 16 18 20 22 24 26 Time (hrs) TR55 Tc Worksheet Hydraflow Hydrographs by Intelisolve Hyd. No. 3 SUBAREA3 Description A B C Totals Sheet Flow Manning's n-value = 0.400 0.011 0.011 Flow length (ft) = 150.0 0.0 0.0 Two-year 24-hr precip. (in) = 2.60 0.00 0.00 Land slope (%) = 1.00 0.00 0.00 Travel Time (min) = 43.48 + 0.00 + 0.00 = 43.48 Shallow Concentrated Flow Flow length (ft) = 450.00 0.00 0.00 Watercourse slope (%) = 2.00 0.00 0.00 Surface description = Unpaved Paved Paved Average velocity (ft/s) = 2.28 0.00 0.00 Travel Time (min) = 3.29 + 0.00 + 0.00 = 3.29 Channel Flow X sectional flow area (sqft) = 2.00 2.00 0.00 Wetted perimeter (ft) = 6.00 6.00 0.00 Channel slope (%) = 3.00 6.00 0.00 Manning's n-value = 0.050 0.050 0.015 Velocity (ft/s) = 2.47 3.50 0.00 Flow length (ft) = 950.0 1800.0 0.0 Travel Time (min) = 6.40 + 8.58 + 0.00 = 14.98 TotalTravel Time, Tc.............................................................................. 61.80 min Hydrograph Plot Hydraflow Hydrographs by Intelisolve Thursday, Mar 3 2005, 10:9 AM Hyd. No. 4 SUBAREA4 Hydrograph type = SCS Runoff Peak discharge = 6.60 cfs Storm frequency = 1 yrs Time interval = 6 min Drainage area = 24.914 ac Curve number = 74 Basin Slope = 0.0 % Hydraulic length = Oft Tc method = TR55 Time of conc. (Tc) = 29.70 min Total precip. = 2.20 in Distribution = Type II Storm duration = 24 hrs Shape factor = 484 Hydrograph Volume = 41,707 cult SUBAREA 4 Q (cfs) Hyd. No. 4 -- 1 Yr Q (cfs) 7.00 I _ 7.00 I ! 6.00 I I j 6.00 I 1 5.00 ----- I I ---- 5.00 I I j 4.00 4.00 I i I I I I 3.00 ; 3.00 2.00 ( 2.00 I I 1.00 ; � 1.00 0.00 ` 0.00 0 2 4 6 8 10 12 14 16 18 20 22 24 26 Hyd No. 4 Time (hrs) --��--� TR55 Tc Worksheet Hydraflow Hydrographs by Intelisolve Hyd. No. 4 SUBAREA 4 Description A B C Totals Sheet Flow Manning's n-value = 0.400 0.011 0.011 Flow length (ft) = 150.0 0.0 0.0 Two-year 24-hr precip. (in) = 2.60 0.00 0.00 Land slope (%) = 12.00 0.00 0.00 Travel Time (min) = 16.09 + 0.00 + 0.00 = 16.09 Shallow Concentrated Flow Flow length (ft) = 800.00 0.00 0.00 Watercourse slope (%) = 16.00 0.00 0.00 Surface description = Unpaved Paved Paved Average velocity (ft/s) = 6.45 0.00 0.00 Travel Time (min) = 2.07 + 0.00 + 0.00 = 2.07 Channel Flow X sectional flow area (sqft) = 2.00 0.00 0.00 Wetted perimeter (ft) = 6.00 0.00 0.00 Channel slope (%) = 0.50 0.00 0.00 Manning's n-value = 0.050 0.015 0.015 Velocity (ft/s) = 1.01 0.00 0.00 Flow length (ft) = 700.0 0.0 0.0 Travel Time (min) = 11.56 + 0.00 + 0.00 = 11.56 Total Travel Time, Tc.............................................................................. 29.70 min Hydrograph Plot Hydraflow Hydrographs by Intelisolve Hyd. No. 5 SUBAREA 5 Hydrograph type = SCS Runoff Storm frequency = 1 yrs Drainage area = 15.151 ac Basin Slope = 0.0 % Tc method = TR55 Total precip. = 2.20 in Storm duration = 24 hrs Q (cfs) 5.00 4.00 3.00 2.00 1,00 0.00 0 2 4 -- -1- Hyd No. 5 6 8 Thursday, Mar 3 2005, 10:9 AM Peak discharge = 4.92 cfs Time interval = 6 min Curve number = 74 Hydraulic length = Oft Time of conc. (Tc) = 28.60 min Distribution = Type II Shape factor = 484 SUBAREA5 Hyd. No. 5 -- 1 Yr L 10 12 14 16 18 Hydrograph Volume = 24,595 cuft Q (cfs) 5.00 4.00 3.00 2.00 1.00 ---- 0.00 20 22 24 26 Time (hrs) TR55 Tc Worksheet Hydraflow Hydrographs by Intelisolve Description A B C Totals Sheet Flow Manning's n-value = 0.400 0.011 0.011 Flow length (ft) = 150.0 0.0 0.0 Two-year 24-hr precip. (in) = 2.60 0.00 0.00 Land slope (%) = 7.00 0.00 0.00 Travel Time (min) = 19.96 + 0.00 + 0.00 = 19.96 Shallow Concentrated Flow Flow length (ft) = 1500.00 0.00 0.00 Watercourse slope (%) = 6.00 0.00 0.00 Surface description = Unpaved Paved Paved Average velocity (ft/s) = 3.95 0.00 0.00 Travel Time (min) = 6.33 + 0.00 + 0.00 = 6.33 Channel Flow X sectional flow area (sgft) = 2.00 0.00 0.00 Wetted perimeter (ft) = 6.00 0.00 0.00 Channel slope (%) = 1.50 0.00 0.00 Manning's n-value = 0.030 0.015 0.015 Velocity (ft/s) = 2.91 0.00 0.00 Flow length (ft) = 400.0 0.0 0.0 Travel Time (min) = 2.29 + 0.00 + 0.00 = 2.29 Total Travel Time, Tc.............................................................................. 28.60 min Hydrograph Plot Hydraflow Hydrographs by Intelisolve Hyd. No. 6 SUBAREA 6 Hydrograph type = SCS Runoff Storm frequency = 1 yrs Drainage area = 25.438 ac Basin Slope = 0.0 % Tc method = TR55 Total precip. = 2.20 in Storm duration = 24 hrs Q (cfs) 12.00 10.00 • 11 M 1/ 2.00 0.00 0 2 4 6 8 --- Hyd No. 6 SUBAREA 6 Hyd. No. 6 -- 1 Yr Thursday, Mar 3 2005, 10:9 AM Peak discharge = 10.23 cfs Time interval = 6 min Curve number = 76 Hydraulic length = Oft Time of conc. (Tc) = 24.10 min Distribution = Type II Shape factor = 484 Hydrograph Volume = 48,059 cuft Q (cfs) 12.00 i l/ • ort 4.00 I 2.00 0.00 10 12 14 16 18 20 22 24 26 Time (hrs) TR55 Tc Worksheet Hydraflow Hydrographs by Intelisolve • Description A B C Totals Sheet Flow Manning's n-value = 0.400 0.011 0.011 Flow length (ft) = 150.0 0.0 0.0 Two-year 24-hr precip. (in) = 2.60 0.00 0.00 Land slope (%) = 10.00 0.00 0.00 Travel Time (min) = 17.31 + 0.00 + 0.00 = 17.31 Shallow Concentrated Flow Flow length (ft) = 1200.00 0.00 0.00 Watercourse slope (%) = 7.50 0.00 0.00 Surface description = Unpaved Paved Paved Average velocity (ft/s) = 4.42 0.00 0.00 Travel Time (min) = 4.53 + 0.00 + 0.00 = 4.53 Channel Flow X sectional flow area (sqft) = 2.00 0.00 0.00 Wetted perimeter (ft) = 6.00 0.00 0.00 Channel slope (%) = 1.50 0.00 0.00 Manning's n-value = 0.030 0.015 0.015 Velocity (ft/s) = 2.91 0.00 0.00 Flow length (ft) = 400.0 0.0 0.0 Travel Time (min) = 2.29 + 0.00 + 0.00 = 2.29 Total Travel Time, Tc.............................................................................. 24.10 min Hydrograph Plot Hydraflow Hydrographs by Intellsolve Hyd. No. 7 SUBAREA Hydrograph type = SCS Runoff Storm frequency = 1 yrs Drainage area = 15.162 ac Basin Slope = 0.0 % Tc method = TR55 Total precip. = 2.20 in Storm duration = 24 hrs Q (cfs) 5.00 4.00 i 3.00 1 0.00 0 2 4 6 8 -- - Hyd No. 7 SUBAREA 7 Hyd. No. 7 -- 1 Yr i +1 10 12 14 16 Thursday, Mar 3 2005, 10:9 AM Peak discharge = 4.90 cfs Time interval = 6 min Curve number = 79 Hydraulic length = Oft Time of conc. (Tc) = 56.60 min Distribution = Type II Shape factor = 484 Hydrograph Volume = 35,407 cuft Q (cfs) 5.00 4.00 3.00 2.00 1.00 �- 0.00 18 20 22 24 26 Time (hrs) TR55 Tc Worksheet Hydraflow Hydrographs by Intelisolve Hyd. No. 7 SUBAREA? Description A B C Totals Sheet Flow Manning's n-value = 0.400 0.011 0.011 Flow length (ft) = 150.0 0.0 0.0 Two-year 24-hr precip. (in) = 2.60 0.00 0.00 Land slope (%) = 1.00 0.00 0.00 Travel Time (min) = 43.48 + 0.00 + 0.00 = 43.48 Shallow Concentrated Flow Flow length (ft) = 1100.00 0.00 0.00 Watercourse slope (%) = 5.00 0.00 0.00 Surface description = Unpaved Paved Paved Average velocity (ft/s) = 3.61 0.00 0.00 Travel Time (min) = 5.08 + 0.00 + 0.00 = 5.08 X sectional flow area (sqft) = 2.00 2.00 0.00 Wetted perimeter (ft) = 6.00 6.00 0.00 Channel slope (%) = 4.00 8.00 0.00 Manning's n-value = 0.050 0.050 0.015 Velocity (ft/s) = 2.85 4.04 0.00 Flow length (ft) = 600.0 1100.0 0.0 Travel Time (min) = 3.50 + 4.54 + 0.00 = 8.04 Total Travel Time, Tc.............................................................................. 56.60 min Hydrograph Plot Hydraflow Hydrographs by Intelisolve Hyd. No. 8 SUBAREA8 Hydrograph type = SCS Runoff Storm frequency = 1 yrs Drainage area = 23.214 ac Basin Slope = 0.0 % Tc method = TR55 Total precip. = 2.20 in Storm duration = 24 hrs Q (cfs) 8.00 • 1/ 4.00 2.00 0.00 0 2 4 "I------- Hyd No. 8 6 8 10 Thursday, Mar 3 2005, 10:9 AM Peak discharge = 7.65 cfs Time interval = 6 min Curve number = 76 Hydraulic length = Oft Time of conc. (Tc) = 31.60 min Distribution = Type II Shape factor = 484 SUBAREA 8 Hyd. No. 8 -- 1 Yr 12 14 16 18 20 Hydrograph Volume = 45,227 cuft Q (cfs) 8.00 • 11 4.00 2.00 0.00 22 24 26 Time (hrs) TR55 Tc Worksheet Hydraflow Hydrographs by Intelisolve Description A B C Totals Sheet Flow Manning's n-value = 0.400 0.011 0.011 Flow length (ft) = 150.0 0.0 0.0 Two-year 24-hr precip. (in) = 2.60 0.00 0.00 Land slope (%) = 3.00 0.00 0.00 Travel Time (min) = 28.02 + 0.00 + 0.00 = 28.02 Shallow Concentrated Flow Flow length (ft) = 1100.00 0.00 0.00 Watercourse slope (%) = 10.00 0.00 0.00 Surface description = Unpaved Paved Paved Average velocity (ft/s) = 5.10 0.00 0.00 Travel Time (min) = 3.59 + 0.00 + 0.00 = 3.59 Channel Flow X sectional flow area (sgft) = 0.00 0.00 0.00 Wetted perimeter (ft) = 0.00 0.00 0.00 Channel slope (%) = 0.00 0.00 0.00 Manning's n-value = 0.015 0.015 0.015 Velocity (ft/s) = 0.00 0.00 0.00 Flow length (ft) = 0.0 0.0 0.0 Travel Time (min) = 0.00 + 0.00 + 0.00 = 0.00 Total Travel Time, Tc.............................................................................. 31.60 min Hydrograph Plot Hydraflow Hydrographs by Intelisolve Hyd. No. 9 SUBAREA 9 Hydrograph type = SCS Runoff Storm frequency = 1 yrs Drainage area = 47.878 ac Basin Slope = 0.0 % Tc method = TR55 Total precip. = 2.20 in Storm duration = 24 hrs Q (cfs) 21.00 18.00 15.00 12.00 9.00 6.00 SUBAREA9 Hyd. No. 9 --1 Yr Thursday, Mar 3 2005, 10:9 AM Peak discharge = 19.25 cfs Time interval = 6 min Curve number = 76 Hydraulic length = Oft Time of conc. (Tc) = 28.40 min Distribution = Type II Shape factor = 484 Hydrograph Volume = 90,453 cuft Q (cfs) 21.00 15.00 12.00 • 11 • If 3.00 3.00 0 2 4 6 8 10 12 14 16 18 20 22 24 26 Hyd No. 9 Time (hrs) -•---µ•• TR55 Tc Worksheet Hydraflow Hydrographs by Intelisolve Hyd. No. 9 SUBAREA 9 Description A B C Totals Sheet Flow Manning's n-value = 0.400 0.011 0.011 Flow length (ft) = 150.0 0.0 0.0 Two-year 24-hr precip. (in) = 2.60 0.00 0.00 Land slope (%) = 11.00 0.00 0.00 Travel Time (min) = 16.66 + 0.00 + 0.00 = 16.66 Shallow Concentrated Flow Flow length (ft) = 2400.00 0.00 0.00 Watercourse slope (%) = 9.00 0.00 0.00 Surface description = Unpaved Paved Paved Average velocity (ft/s) = 4.84 0.00 0.00 Travel Time (min) = 8.26 + 0.00 + 0.00 = 8.26 Channel Flow X sectional flow area (sgft) = 2.00 0.00 0.00 Wetted perimeter (ft) = 6.00 0.00 0.00 Channel slope (%) = 6.00 0.00 0.00 Manning's n-value = 0.030 0.015 0.015 Velocity (ft/s) = 5.83 0.00 0.00 Flow length (ft) = 1200.0 0.0 0.0 Travel Time (min) = 3.43 + 0.00 + 0.00 = 3.43 TotalTravel Time, Tc.............................................................................. 28.40 min Hydrograph Plot Hydraflow Hydrographs by Intelisolve Thursday, Mar 3 2005, 10:9 AM Hyd. No. 10 SUBAREA 10 Hydrograph type = SCS Runoff Peak discharge = 5.72 cfs Storm frequency = 1 yrs Time interval = 6 min Drainage area = 9.203 ac Curve number = 81 Basin Slope = 0.0 % Hydraulic length = oft Tc method = TR55 Time of conc. (Tc) = 21.10 min Total precip. = 2.20 in Distribution = Type II Storm duration = 24 hrs Shape factor = 484 Hydrograph Volume = 24,551 cuft SUBAREA 10 Q (cfs) Hyd. No. 10 --1 Yr Q (cfs) 6.00 6.00 I I I I I I 5.00 5.00 I i I 4.00 1 P1 4.00 3.00 2.00 ------------ - 0.00 - 0 2 4 6 -....---- Hyd No. 10 3.00 2.00 - A 1.00 I - 1- 0.00 8 10 12 14 16 18 20 22 24 26 Time (hrs) TR55 Tc Worksheet Hydraflow Hydrographs by Intelisolve Hyd. No. 10 SUBAREA 10 Description A B C Totals Sheet Flow Manning's n-value = 0.400 0.011 0.011 Flow length (ft) = 150.0 0.0 0.0 Two-year 24-hr precip. (in) = 2.60 0.00 0.00 Land slope (%) = 15.00 0.00 0.00 Travel Time (min) = 14.72 + 0.00 + 0.00 = 14.72 Shallow Concentrated Flow Flow length (ft) = 600.00 0.00 0.00 Watercourse slope (%) = 10.00 0.00 0.00 Surface description = Unpaved Paved Paved Average velocity (ft/s) = 5.10 0.00 0.00 Travel Time (min) = 1.96 + 0.00 + 0.00 = 1.96 Channel Flow X sectional flow area (sgft) = 2.00 0.00 0.00 Wetted perimeter (ft) = 6.00 0.00 0.00 Channel slope (%) = 2.00 0.00 0.00 Manning's n-value = 0.030 0.015 0.015 Velocity (ft/s) = 3.36 0.00 0.00 Flow length (ft) = 900.0 0.0 0.0 Travel Time (min) = 4.46 + 0.00 + 0.00 = 4.46 Total Travel Time, Tc.............................................................................. 21.10 min Hydrograph Plot Hydraflow Hydrographs by Intelisolve Hyd. No. 11 SUBAREA 11 Hydrograph type = SCS Runoff Storm frequency = 1 yrs Drainage area = 6.160 ac Basin Slope = 0.0 % Tc method = TR55 Total precip. = 2.20 in Storm duration = 24 hrs Q (cfs) 3.00 2.00 1.00 0.00 0 2 4 6 8 10 -- — Hyd No. 11 Thursday, Mar 3 2005, 10:9 AM Peak discharge = 2.47 cfs Time interval = 6 min Curve number = 80 Hydraulic length = Oft Time of conc. (Tc) = 43.50 min Distribution = Type II Shape factor = 484 SUBAREA 11 Hyd. No. 11 --1 Yr 12 14 16 18 Hydrograph Volume = 15,002 cuft Q (cfs) 3.00 M I 0.00 20 22 24 26 Time (hrs) TR55 Tc Worksheet Hydraflow Hydrographs by Intelisolve Hyd. No. 11 SUBAREA 11 Description A B C Totals Sheet Flow Manning's n-value = 0.400 0.011 0.011 Flow length (ft) = 150.0 0.0 0.0 Two-year 24-hr precip. (in) = 2.60 0.00 0.00 Land slope (%) = 1.00 0.00 0.00 Travel Time (min) = 43.48 + 0.00 + 0.00 = 43.48 Shallow Concentrated Flow Flow length (ft) = 0.00 0.00 0.00 Watercourse slope (%) = 0.00 0.00 0.00 Surface description = Paved Paved Paved Average velocity (ft/s) = 0.00 0.00 0.00 Travel Time (min) = 0.00 + 0.00 + 0.00 = 0.00 Channel Flow X sectional flow area (sgft) = 0.00 0.00 0.00 Wetted perimeter (ft) = 0.00 0.00 0.00 Channel slope (%) = 0.00 0.00 0.00 Manning's n-value = 0.015 0.015 0.015 Velocity (ft/s) = 0.00 0.00 0.00 Flow length (ft) = 0.0 0.0 0.0 Travel Time (min) = 0.00 + 0.00 + 0.00 = 0.00 Total Travel Time, Tc.............................................................................. 43.50 min Hydrograph Plot Hydraflow Hydrographs by Intelisolve Hyd. No. 12 SUBAREA3 Hydrograph type = Reservoir Storm frequency = 1 yrs Inflow hyd. No. = 3 Reservoir name = RENAISSANCE BASIN Storage Indication method used Friday, Mar 4 2005, 8:6 AM Peak discharge = 12.98 cfs Time interval = 6 min Max. Elevation = 1403.08 ft Max. Storage = 19,692 cuft Hydrograph Volume = 142,068 cuft SUBAREA3 Q (cfs) Hyd. No. 12 -- 1 Yr Q (cfs) 21.00 21.00 18.00 18.00 15.00 15.00 12.00 12.00 9.00 9.00 E 6.00 6.00 3.00 \ 3.00 0.00 0.00 0 3 6 9 12 15 18 21 24 27 Time (hrs) Hyd No. 12 Hyd No. 3 Hydrograph Plot Hydraflow Hydrographs by Intelisolve Hyd. No. 13 SUBAREA 1,2,3,10,11 Hydrograph type = Combine Storm frequency = 1 yrs Inflow hyds. = 1, 2, 10, 11, 12 Q (cfs) 70.00 50.00 SUBAREA 1,2,3,10,11 Hyd. No. 13 -- 1 Yr Friday, Mar 4 2005, 8:6 AM Peak discharge = 64.54 cfs Time interval = 6 min Hydrograph Volume = 462,142 cuft Q (cfs) 70.00 •1 11 40.00 40.00 30.00 30.00 20.00 - 20.00 10.00 10.00 0.00 _ 0.00 0 2 4 6 8 10 12 14 16 18 20 22 24 26 Hyd No. 13 Hyd No. 1 Hyd No. 2 Hyd No. 10 Time (hrs) Hyd No. 11 Hyd No. 12 Hydrograph Plot Hydraflow Hydrographs by Intelisolve Hyd. No. 14 SUBAREA 4,5,6,7,8,9 Hydrograph type = Combine Storm frequency = 1 yrs Inflow hyds. = 4, 5, 6, 7, 8, 9 Q (cfs) 60.00 I 50.00 40.00 30.00 20.00 �1 10.00 0.00 0 Friday, Mar 4 2005, 8:6 AM Peak discharge = 50.55 cfs Time interval = 6 min Hydrograph Volume = 285,449 cuft SUBAREA 4,5,6,7,8,9 Hyd. No. 14 -- 1 Yr Q (cfs) 60.00 50.00 40.00 30.00 20.00 —�A - — 10.00 2 4 6 8 10 12 14 16 18 20 22 24 26 Hyd No. 14 Hyd No. 4 Hyd No. 5 Hyd No. 6 Time (hrs) Hyd No. 7 Hyd No. 8 Hyd No. 9 Hydrograph Plot Hydraflow Hydrographs by Intelisolve Hyd. No. 15 SUBAREA 4,5,6,7,8,9 Hydrograph type = Reservoir Storm frequency = 1 yrs Inflow hyd. No. = 14 Reservoir name = 281 BASIN Storage Indication method used. Q (cfs) 60.00 50.00 40.00 30.00 20.00 10.00 0.00 0 3 6 Hyd No. 15 Friday, Mar 4 2005, 8:6 AM Peak discharge = 12.40 cfs Time interval = 6 min Max. Elevation = 1152.88 ft Max. Storage = 93,742 cuft Hydrograph Volume = 285,421 cuft SUBAREA 4,5,6,7,8,9 Hyd. No. 15 -- 1 Yr i 9 12 15 18 21 - Hyd No. 14 Q (cfs) 60.00 50.00 91WEI 30.00 20.00 10.00 0.00 24 27 30 Time (hrs) Hydrograph Plot Hydraflow Hydrographs by Intelisolve Hyd. No. 16 ALL SUBAREA Hydrograph type = Combine Storm frequency = 1 yrs Inflow hyds. = 13, 15 Q (cfs) 80.00 70.00 60.00 50.00 40.00 30.00 20.00 10.00 0.00 0 3 Hyd No. 16 Cej Friday, Mar 4 2005, 8:6 AM Peak discharge = 73.83 cfs Time interval = 6 min Hydrograph Volume = 747,563 cuft ALL SUBAREA Hyd. No. 16 -- 1 Yr ram_ 9 12 15 18 21 Hyd No. 13 Hyd No. 15 Q (cfs) 80.00 70.00 60.00 50.00 40.00 30.00 20.00 10.00 0.00 24 27 Time (hrs) CHA - APPENDIX E 2 YEAR HYDROGRAPHS RT. 281/RENAISSANCE/BELLE DRIVE MAY 2005 Hydrograph Plot Hydraflow Hydrographs by Intelisolve Hyd. No. 1 SUBAREA 1 Hydrograph type = SCS Runoff Storm frequency = 2 yrs Drainage area = 74.607 ac Basin Slope = 0.0 % Tc method = TR55 Total precip. = 2.50 in Storm duration = 24 hrs Q (cfs) 50.00 40.00 30.00 20.00 SUBAREA 1 Hyd. No. 1 -- 2 Yr 10.00 ' �I 0.00 0 2 4 6 8 -- - Hyd No. 1 Thursday, Mar 3 2005, 10:18 AM Peak discharge = 48.54 cfs Time interval = 6 min Curve number = 83 Hydraulic length = Oft Time of conc. (Tc) = 43.40 min Distribution = Type II Shape factor = 484 Hydrograph Volume = 278,794 cuft Q (cfs) 50.00 40.00 30.00 10.00 0.00 10 12 14 16 18 20 22 24 26 Time (hrs) Hydrograph Plot Hydraflow Hydrographs by Intelisolve Hyd. No. 2 SUBAREA2 Hydrograph type = SCS Runoff Storm frequency = 2 yrs Drainage area = 19.802 ac Basin Slope = 0.0 % Tc method = TR55 Total precip. = 2.50 in Storm duration = 24 hrs Q (cfs) 21.00 15.00 12.00 • 1/ 3.00 0.00 0 2 4 Hyd No. 2 SUBAREA2 Hyd. No. 2 -- 2 Yr 6 8 10 12 14 16 Thursday, Mar 3 2005, 10:18 AM Peak discharge = 18.22 cfs Time interval = 6 min Curve number = 83 Hydraulic length = Oft Time of conc. (Tc) = 28.90 min Distribution = Type II Shape factor = 484 Hydrograph Volume = 75,894 cuft Q (cfs) 21.00 18.00 -' 15.00 12.00 • 1/ • 11 3.00 0.00 18 20 22 24 26 Time (hrs) Hydrograph Plot Hydraflow Hydrographs by Intellsolve Thursday, Mar 3 2005, 10:18 AM Hyd. No. 3 SUBAREA3 Hydrograph type = SCS Runoff Peak discharge = 23.75 cfs Storm frequency = 2 yrs Time interval = 6 min Drainage area = 43.272 ac Curve number = 84 Basin Slope = 0.0 % Hydraulic length = Oft Tc method = TR55 Time of conc. (Tc) = 61.80 min Total precip. = 2.50 in Distribution = Type II Storm duration = 24 hrs Shape factor = 484 Hydrograph Volume = 178,420 cuft SUBAREA3 Q (cfs) Hyd. No. 3 -- 2 Yr Q (cfs) 24.00 I 24.00 20.00 20.00 16.00 i 16.00 12.00 ! 12.00 8.00 8.00 I 4.00 ! 4.00 � 1 0.00 0.00 0 2 4 6 8 10 12 14 16 18 20 22 24 26 ---- Hyd No. 3 Time (hrs) Hydrograph Plot Hydraflow Hydrographs by Intelisolve Thursday, Mar 3 2005, 10:18 AM Hyd. No. 4 SUBAREA 4 Hydrograph type = SCS Runoff Peak discharge = 9.70 cfs Storm frequency = 2 yrs Time interval = 6 min Drainage area = 24.914 ac Curve number = 74 Basin Slope = 0.0 % Hydraulic length = Oft Tc method = TR55 Time of conc. (Tc) = 29.70 min Total precip. = 2.50 in Distribution = Type II Storm duration = 24 hrs Shape factor = 484 Hydrograph Volume = 56,727 cuft SUBAREA 4 Q (cfs) Hyd. No. 4 -- 2 Yr Q (cfs) 10.00 10.00 8.00 i 8.00 6.00 6.00 4.00 ; 4.00 2.00 --- 2.00 Co 0.00 --- ----- ---- ------------— --- -' - 0.00 0 2 4 6 8 10 12 14 16 18 20 22 24 26 -- --a-- Hyd No. 4 Time (hrs) Hydrograph Plot Hydraflow Hydrographs by Intelisolve Hyd. No. 5 SUBAREA 5 Hydrograph type = SCS Runoff Storm frequency = 2 yrs Drainage area = 15.151 ac Basin Slope = 0.0 % Tc method = TR55 Total precip. = 2.50 in Storm duration = 24 hrs Q (cfs) 8.00 Off 4.00 2.00 - 0.00 -- 0 2 4 6 8 10 ----- -- Hyd No. 5 Thursday, Mar 3 2005, 10:18 AM Peak discharge = 7.19 cfs Time interval = 6 min Curve number = 74 Hydraulic length = Oft Time of conc. (Tc) = 28.60 min Distribution = Type II Shape factor = 484 Hydrograph Volume = 33,452 cuft SUBAREA 5 Hyd. No. 5 -- 2 Yr Q (cfs) 8.00 . /1 ' 2.00 -- 0.00 12 14 16 18 20 22 24 26 Time (hrs) Hydrograph Plot Hydraflow Hydrographs by Intelisolve Hyd. No. 6 SUBAREA6 Hydrograph type = SCS Runoff Storm frequency = 2 yrs Drainage area = 25.438 ac Basin Slope = 0.0 % Tc method = TR55 Total precip. = 2.50 in Storm duration = 24 hrs Q (cfs) 15.00 12.00 • 1/ • 11 i 11 0.00 -' 0 2 4 6 8 ._----- -- Hyd No. 6 SUBAREA 6 Hyd. No. 6 -- 2 Yr Thursday, Mar 3 2005, 10:18 AM Peak discharge = 14.35 cfs Time interval = 6 min Curve number = 76 Hydraulic length = Oft Time of conc. (Tc) = 24.10 min Distribution = Type II Shape factor = 484 Hydrograph Volume = 64,134 cuft Q (cfs) 15.00 12.00 • 11 • 1/ 3.00 — — 0.00 10 12 14 16 18 20 22 24 26 Time (hrs) Hydrograph Plot Hydraflow Hydrographs by Intelisolve ■ SUBAREA Hydrograph type Storm frequency Drainage area Basin Slope Tc method Total precip. Storm duration Q (cfs) 7.00 I I I 6.00 I I I 5.00 I I I 4.00 I I I 3.00 I I I 2.00 I I 1.00 0.00 = SCS Runoff = 2 yrs = 15.162 ac = 0.0 % = TR55 = 2.50 in =24hrs SUBAREA 7 Hyd. No. 7 -- 2 Yr 1 I I I i I I I I I I 1 ! I I I i \ I Thursday, Mar 3 2005, 10:18 AM Peak discharge = 6.62 cfs Time interval = 6 min Curve number = 79 Hydraulic length = Oft Time of conc. (Tc) = 56.60 min Distribution = Type II Shape factor = 484 Hydrograph Volume = 46,089 cuft Q (cfs) 7.00 I I I 6.00 I I I 5.00 I I I 4.00 I I 3,00 I I I 2.00 I I 1.00 0.00 0 2 4 6 8 10 12 14 16 18 20 22 24 26 --m--- Hyd No. 7 Time (hrs) Hydrograph Plot Hydraflow Hydrographs by Intellsolve Hyd. No. 8 SUBAREA 8 Hydrograph type = SCS Runoff Storm frequency = 2 yrs Drainage area = 23.214 ac Basin Slope = 0.0 % Tc method = TR55 Total precip. = 2.50 in Storm duration = 24 hrs Q (cfs) 12.00 10.00 • 11 4.00 Thursday, Mar 3 2005, 10:18 AM Peak discharge = 10.81 cfs Time interval = 6 min Curve number = 76 Hydraulic length = Oft Time of conc. (Tc) = 31.60 min Distribution = Type II Shape factor = 484 Hydrograph Volume = 60,356 cuft SUBAREA8 Hyd. No. 8 -- 2 Yr Q (cfs) 12.00 10.00 I 8.00 1 6.00 I 4.00 2.00 ---- 2.00 0.00 J — ��_ 0.00 0 2 4 6 8 10 12 14 16 18 20 22 24 26 --- Hyd No. 8 Time (hrs) Hydrograph Plot Hydraflow Hydrographs by Intelisolve Hyd. No. 9 SUBAREA9 Hydrograph type = SCS Runoff Storm frequency = 2 yrs Drainage area = 47.878 ac Basin Slope = 0.0 % Tc method = TR55 Total precip. = 2.50 in Storm duration = 24 hrs Q (cfs) 28.00 24.00 20.00 16.00 12.00 2 11 4.00 0.00 ' 0 2 4 6 8 - ---l-- Hyd No. 9 SUBAREA 9 Hyd. No. 9 -- 2 Yr Thursday, Mar 3 2005, 10:18 AM Peak discharge = 27.01 cfs Time interval = 6 min Curve number = 76 Hydraulic length = Oft Time of conc. (Tc) = 28.40 min Distribution = Type II Shape factor = 484 Hydrograph Volume = 120,709 cult Q (cfs) 28.00 24.00 20.00 12.00 Ili - -- 4.00 \ 0.00 10 12 14 16 18 20 22 24 26 Time (hrs) Hydrograph Plot Hydraflow Hydrographs by Intelisolve Hyd. No. 10 SUBAREA 10 Hydrograph type = SCS Runoff Storm frequency = 2 yrs Drainage area = 9.203 ac Basin Slope = 0.0 % Tc method = TR55 Total precip. = 2.50 in Storm duration = 24 hrs Q (cfs) 8.00 • 11 4.00 0.00 0 2 4 6 8 ----- Hyd No. 10 Thursday, Mar 3 2005, 10:18 AM Peak discharge = 7.47 cfs Time interval = 6 min Curve number = 81 Hydraulic length = Oft Time of conc. (Tc) = 21.10 min Distribution = Type II Shape factor = 484 Hydrograph Volume = 31,482 cuft SUBAREA 10 Hyd. No. 10 -- 2 Yr Q (cfs) 8.00 MIX 4.00 2.00 — - 0.00 10 12 14 16 18 20 22 24 26 Time (hrs) Hydrograph Plot Hydraflow Hydrographs by Intellsolve Hyd. No. 11 SUBAREA 11 Hydrograph type = SCS Runoff Storm frequency = 2 yrs Drainage area = 6.160 ac Basin Slope = 0.0 % Tc method = TR55 Total precip. = 2.50 in Storm duration = 24 hrs Q (cfs) 4.00 3.00 111 0.00 -' 0 2 4 6 — Hyd No. 11 Thursday, Mar 3 2005, 10:18 AM Peak discharge = 3.28 cfs Time interval = 6 min Curve number = 80 Hydraulic length = Oft Time of conc. (Tc) = 43.50 min Distribution = Type II Shape factor = 484 SUBAREA 11 Hyd. No. 11 -- 2 Yr I I 8 10 12 14 16 18 Hydrograph Volume = 19,379 cuft Q (cfs) 4.00 3.00 2.00 0.00 20 22 24 26 Time (hrs) Hydrograph Plot Hydraflow Hydrographs by Intelisolve Hyd. No. 12 SUBAREA 3 Hydrograph type = Reservoir Storm frequency = 2 yrs Inflow hyd. No. = 3 Reservoir name = RENAISSANCE BASIN Storage Indication method used. Friday, Mar 4 2005, 7:54 AM Peak discharge = 14.81 cfs Time interval = 6 min Max. Elevation = 1403.78 ft Max. Storage = 31,484 cuft Hydrograph Volume = 178,418 cuft SUBAREA3 Q (cfs) Hyd. No. 12 -- 2 Yr Q (cfs) 24.00 A 24.00 i 20.00 20.00 1, 16.00 --- _- 16.00 12.00 12.00 8.00 8.00 4.00 4.00 0.00 - 0.00 0 3 6 9 12 15 18 21 24 27 Time (hrs) Hyd No. 12 Hyd No. 3 Hydrograph Plot Hydraflow Hydrographs by Intelisolve Hyd. No. 13 SUBAREA 1,2,3,10,11 Hydrograph type = Combine Storm frequency = 2 yrs Inflow hyds. = 1, 2, 10, 11, 12 Q (cfs) 90.00 80.00 70.00 60.00 50.00 40.00 30.00 20.00 10.00 0.00 0 2 4 Hyd No. 13 0 SUBAREA 1,2,3,10,11 Hyd. No. 13 -- 2 Yr Friday, Mar 4 2005, 7:54 AM Peak discharge = 82.20 cfs Time interval = 6 min Hydrograph Volume = 583,967 cuft Q (cfs) 90.00 80.00 70.00 60.00 50.00 40.00 30.00 20.00 — - - 10.00 0.00 8 10 12 14 16 18 20 22 24 26 Hyd No. 1 Hyd No. 2 Hyd No. 10 Time (hrs) Hyd No. 11 Hyd No. 12 Hydrograph Plot Hydraflow Hydrographs by Intelisolve Friday, Mar 4 2005, 7:54 AM Hyd. No. 14 SUBAREA 4,5,6,7,8,9 Hydrograph type = Combine Peak discharge = 72.13 cfs Storm frequency = 2 yrs Time interval = 6 min Inflow hyds. = 4, 5, 6, 7, 8, 9 Hydrograph Volume = 381,467 cuft SUBAREA 4,5,6,7,8,9 Q (cfs) Hyd. No. 14 -- 2 Yr Q (cfs) 80.00 80.00 70.00 1 70.00 60.00 60.00 50.00 i 40.00 30.00 20.00 10.00 F - -- -- — - -- -- 50.00 -- 40.00 20.00 10.00 0.00 - —� 0.00 0 2 4 6 8 10 12 14 16 18 20 22 24 26 Hyd No. 14 Hyd No. 4 Hyd No. 5 Hyd No. 6 Time (hrs) Hyd No. 7 Hyd No. 8 Hyd No. 9 Hydrograph Plot Hydraflow Hydrographs by Intelisolve Hyd. No. 15 SUBAREA 4,5,6,7,8,9 Hydrograph type = Reservoir Storm frequency = 2 yrs Inflow hyd. No. = 14 Reservoir name = 281 BASIN Storage Indication method used Q (cfs) 80.00 70.00 60.00 50.00 40.00 30.00 20.00 10.00 0.00 0 3 6 Hyd No. 15 SUBAREA 4,5,6,7,8,9 Hyd. No. 15 -- 2 Yr J1 9 12 - Hyd No. 14 Friday, Mar 4 2005, 7:54 AM Peak discharge = 14.35 cfs Time interval = 6 min Max. Elevation = 1153.60 ft Max. Storage = 141,717 cuft Hydrograph Volume = 381,440 cuft 15 18 21 Q (cfs) 80.00 70.00 60.00 50.00 40.00 30.00 20.00 10.00 0.00 24 27 30 Time (hrs) Hydrograph Plot Hydraflow Hydrographs by Intelisolve Hyd. No. 16 ALL SUBAREA Hydrograph type = Combine Storm frequency = 2 yrs Inflow hyds. = 13, 15 Q (cfs) 100.00 90.00 80.00 70.00 60.00 50.00 40.00 30.00 i 20.00 10.00 0.00 0 Friday, Mar 4 2005, 7:54 AM Peak discharge = 93.65 cfs Time interval = 6 min Hydrograph Volume = 965,407 cuft ALL SUBAREA Q (cfs) Hyd. No. 16 -- 2 Yr 100.00 -- - 90.00 80.00 - 70.00 - - 60.00 50.00 40.00 30.00 20.00 10.00 0.00 3 6 9 12 15 18 21 24 27 Time (hrs) Hyd No. 16 Hyd No. 13 Hyd No. 15 CHA- APPENDIX F 5 YEAR HYDROGRAPHS RT. 281/RENAISSANCE/BELLE DRIVE MAY 2005 Hydrograph Plot Hydraflow Hydrographs by Intelisolve Thursday, Mar 3 2005, 10:18 AM Hyd. No. 1 SUBAREA1 Hydrograph type = SCS Runoff Peak discharge = 79.11 cfs Storm frequency = 5 yrs Time interval = 6 min Drainage area = 74.607 ac Curve number = 83 Basin Slope = 0.0 % Hydraulic length = Oft Tc method = TR55 Time of conc. (Tc) = 43.40 min Total precip. = 3.30 in Distribution = Type II Storm duration = 24 hrs Shape factor = 484 Hydrograph Volume = 446,678 cuft SUBAREA1 Q (cfs) Hyd. No. 1 -- 5 Yr Q (cfs) 80.00 80.00 I I I I I I I 70.00 70.00 I I I I I I I I I 60.00 60.00 I I I I I I I I 50.00 50.00 1 I I I I I I I 40.00 40.00 I I I I I 30.00 I 30.00 I � I I ! I 20.00 20.00 I I 10.00 10.00 1 I 0.00 0.00 0 2 4 6 8 10 12 14 16 18 20 22 24 26 -r-- Hyd No. 1 Time (hrs) Hydrograph Plot Hydraflow Hydrographs by Intelisolve Hyd. No. 2 SUBAREA 2 Hydrograph type = SCS Runoff Storm frequency = 5 yrs Drainage area = 19.802 ac Basin Slope = 0.0 % Tc method = TR55 Total precip. = 3.30 in Storm duration = 24 hrs Q (cfs) 30.00 25.00 20.00 15.00 10.00 5.00 0.00 0 2 4 6 Hyd No. 2 8 10 SUBAREA 2 Hyd. No. 2 -- 5 Yr i I 12 14 Thursday, Mar 3 2005, 10:18 AM Peak discharge = 29.64 cfs Time interval = 6 min Curve number = 83 Hydraulic length = Oft Time of conc. (Tc) = 28.90 min Distribution = Type II Shape factor = 484 Hydrograph Volume = 121,596 cuft Q (cfs) 30.00 25.00 ( I 20.00 15.00 I I I 10.00 5.00 - - -- - ``` -- - 0.00 16 18 20 22 24 26 Time (hrs) Hydrograph Plot Hydraflow Hydrographs by Intelisolve Hyd. No. 3 SUBAREA3 Hydrograph type = SCS Runoff Storm frequency = 5 yrs Drainage area = 43.272 ac Basin Slope = 0.0 % Tc method = TR55 Total precip. = 3.30 in Storm duration = 24 hrs Q (cfs) 40.00 30.00 20.00 10.00 0.00 - 0 2 4 ----.-- Hyd No. 3 Thursday, Mar 3 2005, 10:18 AM Peak discharge = 38.27 cfs Time interval = 6 min Curve number = 84 Hydraulic length = Oft Time of conc. (Tc) = 61.80 min Distribution = Type II Shape factor = 484 Hydrograph Volume = 282,418 cuft SUBAREA 3 Hyd. No. 3 -- 5 Yr Q (cfs) ( 40.00 30.00 20.00 10.00 i I I I 0.00 6 8 10 12 14 16 18 20 22 24 26 Time (hrs) Hydrograph Plot Hydraflow Hydrographs by Intelisolve Hyd. No. 4 SUBAREA 4 Hydrograph type = SCS Runoff Storm frequency = 5 yrs Drainage area = 24.914 ac Basin Slope = 0.0 % Tc method = TR55 Total precip. = 3.30 in Storm duration = 24 hrs Q (cfs) 21.00 15.00 12.00 • 11 • 11 SUBAREA 4 Hyd. No. 4 -- 5 Yr Thursday, Mar 3 2005, 10:18 AM Peak discharge = 19.35 cfs Time interval = 6 min Curve number = 74 Hydraulic length = Oft Time of conc. (Tc) = 29.70 min Distribution = Type II Shape factor = 484 Hydrograph Volume = 102,956 cult Q (cfs) 21.00 18.00 15.00 9.00 6.00 3.00 ---- 3.00 `._ 0.00 0 2 4 6 8 10 12 14 16 18 20 22 24 26 —_- -- Hyd No. 4 Time (hrs) Hydraflow Hydrographs by Intelisolve Thursday, Mar 3 2005, 10:18 AM Hyd. No. 5 SUBAREA 5 Hydrograph type = SCS Runoff Peak discharge = 14.15 cfs Storm frequency = 5 yrs Time interval = 6 min Drainage area = 15.151 ac Curve number = 74 Basin Slope = 0.0 % Hydraulic length = Oft Tc method = TR55 Time of conc. (Tc) = 28.60 min Total precip. = 3.30 in Distribution = Type II Storm duration = 24 hrs Shape factor = 484 Hydrograph Volume = 60,714 cuft �- c1_1: = Q (cfs) Hyd. No. 5 -- 5 Yr Q (cfs) 15.00 15.00 I 12.00 12.00 9.00 1 9.00 3.00 ' - 0.00---- 0 2 4 ...__....,-_ Hyd No. 5 Ce • 11 3.00 ------ 0.00 8 10 12 14 16 18 20 22 24 26 Time (hrs) Hydrograph Plot Hydraflow Hydrographs by Intelisolve Hyd. No. 6 SUBAREA 6 Hydrograph type = SCS Runoff Storm frequency = 5 yrs Drainage area = 25.438 ac Basin Slope = 0.0 % Tc method = TR55 Total precip. = 3.30 in Storm duration = 24 hrs Q (cfs) 28.00 24.00 . 11 12.00 S 1E 0.00 0 2 4 6 8 ..,-- Hyd No. 6 SUBAREA 6 Hyd. No. 6 -- 5 Yr Thursday, Mar 3 2005, 10:18 AM Peak discharge = 26.71 cfs Time interval = 6 min Curve number = 76 Hydraulic length = Oft Time of conc. (Tc) = 24.10 min Distribution = Type II Shape factor = 484 Hydrograph Volume = 112,850 cuft Q (cfs) 28.00 24.00 16.00 12.00 4.00 - l 0.00 10 12 14 16 18 20 22 24 26 Time (hrs) Hydrograph Plot Hydraflow Hydrographs by Intelisolve Hyd. No. 7 SUBAREA Hydrograph type = SCS Runoff Storm frequency = 5 yrs Drainage area = 15.162 ac Basin Slope = 0.0 % Tc method = TR55 Total precip. = 3.30 in Storm duration = 24 hrs Q (cfs) 12.00 10.00 M • 11 4.00 2.00 SUBAREA7 Hyd. No. 7 -- 5 Yr i Thursday, Mar 3 2005, 10:18 AM Peak discharge = 11.68 cfs Time interval = 6 min Curve number = 79 Hydraulic length = Oft Time of conc. (Tc) = 56.60 min Distribution = Type II Shape factor = 484 Hydrograph Volume = 77,728 cuft Q (cfs) 12.00 10.00 • 11 4.00 2.00 0.00 a-- 0.00 0 2 4 6 8 10 12 14 16 18 20 22 24 26 - Hyd No. 7 Time (hrs) Hydrograph Plot Hydraflow Hydrographs by Intelisolve Hyd. No. 8 SUBAREA8 Hydrograph type = SCS Runoff Storm frequency = 5 yrs Drainage area = 23.214 ac Basin Slope = 0.0 % Tc method = TR55 Total precip. = 3.30 in Storm duration = 24 hrs Q (cfs) 21.00 18.00 15.00 12.00 9.00 6.00 3.00 0.00 0 2 4 6 1--1-=-w-- Hyd No. 8 SUBAREA 8 Hyd. No. 8 -- 5 Yr 1 I� Thursday, Mar 3 2005, 10:18 AM Peak discharge = 20.35 cfs Time interval = 6 min Curve number = 76 Hydraulic length = Oft Time of conc. (Tc) = 31.60 min Distribution = Type II Shape factor = 484 Hydrograph Volume = 106,202 cuft Q (cfs) 21.00 18.00 - 15.00 12.00 • 11 6.00 3.00 — 0.00 8 10 12 14 16 18 20 22 24 26 Time (hrs) Hydrograph Plot Hydraflow Hydrographs by Intelisolve Hyd. No. 9 SUBAREA 9 Hydrograph type = SCS Runoff Storm frequency = 5 yrs Drainage area = 47.878 ac Basin Slope = 0.0 % Tc method = TR55 Total precip. = 3.30 in Storm duration = 24 hrs Q (cfs) 60.00 I I 50.00 I 1 11 30.00 ( I I I 10.00 0.00 C 0 2 4 _- - Hyd No. 9 6 8 Thursday, Mar 3 2005, 10:18 AM Peak discharge = 50.27 cfs Time interval = 6 min Curve number = 76 Hydraulic length = Oft Time of conc. (Tc) = 28.40 min Distribution = Type II Shape factor = 484 Hydrograph Volume = 212,399 cult SUBAREA9 Hyd. No. 9 -- 5 Yr Q (cfs) 60.00 I 50.00 I I I 40.00 I I 30.00 III I p I I I 20.00 I - - --- --- -- - 10.00 - 0.00 10 12 14 16 18 20 22 24 26 Time (hrs) Hydrograph Plot Hydraflow Hydrographs by Intelisolve Hyd. No. 10 SUBAREA 10 Hydrograph type = SCS Runoff Storm frequency = 5 yrs Drainage area = 9.203 ac Basin Slope = 0.0 % Tc method = TR55 Total precip. = 3.30 in Storm duration = 24 hrs Q (cfs) 14.00 12.00 10.00 8.00 6.00 4.00 2.00 0.00 0 2 4 6 Hyd No. 10 SUBAREA 10 Hyd. No. 10 -- 5 Yr Thursday, Mar 3 2005, 10:18 AM Peak discharge = 12.51 cfs Time interval = 6 min Curve number = 81 Hydraulic length = Oft Time of conc. (Tc) = 21.10 min Distribution = Type II Shape factor = 484 Hydrograph Volume = 51,717 cuft Q (cfs) 14.00 12.00 10.00 6,00 4.00 2.00 �— — 0.00 8 10 12 14 16 18 20 22 24 26 Time (hrs) Hydrograph Plot Hydraflow Hydrographs by Intelisolve Hyd. No. 11 SUBAREA 11 Hydrograph type = SCS Runoff Storm frequency = 5 yrs Drainage area = 6.160 ac Basin Slope = 0.0 % Tc method = TR55 Total precip. = 3.30 in Storm duration = 24 hrs Q (cfs) 6.00 f 5.00 4.00 3.00 I ( SUBAREA 11 Hyd. No. 11 -- 5 Yr Thursday, Mar 3 2005, 10:18 AM Peak discharge = 5.65 cfs Time interval = 6 min Curve number = 80 Hydraulic length = Oft Time of conc. (Tc) = 43.50 min Distribution = Type II Shape factor = 484 Hydrograph Volume = 32,250 cult Q (cfs) 6.00 5.00 4.00 3.00 2.00 - , I 2.00 1.00 ---- ----- 1.00 - - A, 0.00 --- - —� 0.00 0 2 4 6 8 10 12 14 16 18 20 22 24 26 ---- Hyd No. 11 Time (hrs) Hydrograph Plot Hydraflow Hydrographs by Intelisolve Hyd. No. 12 SUBAREA3 Hydrograph type = Reservoir Storm frequency = 5 yrs Inflow hyd. No. = 3 Reservoir name = RENAISSANCE BASIN Storage Indication method used. SUBAREA 3 Q (cfs) Hyd. No. 12 -- 5 Yr 40.00 30.00 20.00 10.00 0.00 0 3 6 9 12 15 Hyd No. 12 Hyd No. 3 Friday, Mar 4 2005, 7:54 AM Peak discharge = 18.93 cfs Time interval = 6 min Max. Elevation = 1405.70 ft Max. Storage = 71,332 cuft Hydrograph Volume = 282,416 cuft 18 21 24 Q (cfs) 40.00 30.00 20.00 10.00 - 0.00 27 Time (hrs) Hydrograph Plot Hydraflow Hydrographs by Intelisolve Hyd. No. 13 SUBAREA 1,2,3,10,11 Hydrograph type = Combine Storm frequency = 5 yrs Inflow hyds. = 1, 2, 10, 11, 12 Q (cfs) 140.00 120.00 i 100.00 �I 80.00 LLI 60.00 40.00 20.00 0.00 0 2 4 6 Hyd No. 13 Friday, Mar 4 2005, 7:54 AM Peak discharge = 131.22 cfs Time interval = 6 min Hydrograph Volume = 934,658 cult SUBAREA 1,2,3,10,11 Hyd. No. 13 -- 5 Yr Q (cfs) 140.00 -- � — --- - 120.00 - 100.00 60.00 40.00 20.00 0.00 8 10 12 14 16 18 20 22 24 26 Hyd No. 1 Hyd No. 2 Hyd No. 10 Time (hrs) Hyd No. 11 Hyd No. 12 Hydrograph Plot Hydraflow Hydrographs by Intelisolve Hyd. No. 14 SUBAREA 4,5,6,7,8,9 Hydrograph type = Combine Storm frequency = 5 yrs Inflow hyds. = 4, 5, 6, 7, 8, 9 Friday, Mar 4 2005, 7:54 AM Peak discharge = 137.67 cfs Time interval = 6 min Hydrograph Volume = 672,848 cuft SUBAREA 4,5,6,7,8,9 Q (cfs) Hyd. No. 14 -- 5 Yr Q (cfs) 140.00 140.00 120.00 120.00 100.00 100.00 80.00 ---� - — - ---- - 80.00 60.00 60.00 40.00 40.00 20.00 20.00 0.00 I\. 0.00 0 2 4 6 8 10 12 14 16 18 20 22 24 26 Hyd No. 14 Hyd No. 4 Hyd No. 5 Hyd No. 6 Time (hrs) Hyd No. 7 Hyd No. 8 Hyd No. 9 Hydrograph Plot Hydraflow Hydrographs by Intelisolve Hyd. No. 15 SUBAREA 4,5,6,7,8,9 Hydrograph type = Reservoir Storm frequency = 5 yrs Inflow hyd. No. = 14 Reservoir name = 281 BASIN Storage Indication method used SUBAREA 4,5,6,7,8,9 Friday, Mar 4 2005, 7:54 AM Peak discharge = 97.30 cfs Time interval = 6 min Max. Elevation = 1154.29 ft Max. Storage = 194,266 cuft Hydrograph Volume = 672,821 cuft Q (cfs) Hyd. No. 15 -- 5 Yr Q (cfs) 140.00 140.00 120.00 120.00 100.00 100.00 80.00 80.00 60.00 60.00 40.00 40.00 20.00 20.00 0.00.. � 0.00 0 3 6 9 12 15 18 21 24 27 Time (hrs) Hyd No. 15 Hyd No. 14 Hydrograph Plot Hydraflow Hydrographs by Intelisolve Friday, Mar 4 2005, 7:54 AM Hyd. No. 16 ALL SUBAREA Hydrograph type = Combine Peak discharge = 216.73 cfs Storm frequency = 5 yrs Time interval = 6 min Inflow hyds. = 13, 15 Hydrograph Volume = 1,607,478 cuft ALL SUBAREA Q (cfs) Hyd. No. 16 -- 5 Yr Q (cfs) 240.00 240.00 210.00 I 210.00 180.00 180.00 150.00 - - - - - 150.00 120.00 120.00 90.00 -� - ----- - — 90.00 60.00 60.00 30.00 30.00 0.00 0.00 0 2 4 6 8 10 12 14 16 18 20 22 24 26 Time (hrs) Hyd No. 16 Hyd No. 13 Hyd No. 15 APPENDIX G 10 YEAR HYDROGRAPHS RT. 281/RENAISSANCE/BELLE DRIVE MAY 2005 Hydrograph Plot Hydraflow Hydrographs by Intelisolve Hyd. No. 1 SUBAREA1 Hydrograph type = SCS Runoff Storm frequency = 10 yrs Drainage area = 74.607 ac Basin Slope = 0.0 % Tc method = TR55 Total precip. = 3.80 in Storm duration = 24 hrs Q (cfs) 100.00 :1 11C 40.00 20.00 0.00 0 2 4 --- Hyd No. 1 SUBAREA 1 Hyd. No. 1 -- 10 Yr 6 8 10 12 Thursday, Mar 3 2005, 10:18 AM Peak discharge = 99.13 cfs Time interval = 6 min Curve number = 83 Hydraulic length = Oft Time of conc. (Tc) = 43.40 min Distribution = Type II Shape factor = 484 Hydrograph Volume = 558,083 cuft Q (cfs) 100.00 40.00 20.00 -- - ` - 0.00 14 16 18 20 22 24 26 Time (hrs) Hydrograph Plot Hydraflow Hydrographs by Intelisolve Hyd. No. 2 SUBAREA2 Hydrograph type = SCS Runoff Storm frequency = 10 yrs Drainage area = 19.802 ac Basin Slope = 0.0 % Tc method = TR55 Total precip. = 3.80 in Storm duration = 24 hrs Q (cfs) 40.00 30.00 20.00 10.00 0.00 0 2 4 6 8 ' • mg Thursday, Mar 3 2005, 10:18 AM Peak discharge = 37.29 cfs Time interval = 6 min Curve number = 83 Hydraulic length = Oft Time of conc. (Tc) = 28.90 min Distribution = Type II Shape factor = 484 Hydrograph Volume = 151,923 cuft SUBAREA 2 Hyd. No. 2 --10 Yr (I �-10 12 14 16 18 20 22 Q (cfs) 40.00 1 11 ' ---- j 0.00 24 26 Time (hrs) Hydrograph Plot Hydraflow Hydrographs by Intelisolve Hyd. No. 3 SUBAREA 3 Hydrograph type = SCS Runoff Storm frequency = 10 yrs Drainage area = 43.272 ac Basin Slope = 0.0 % Tc method = TR55 Total precip. = 3.80 in Storm duration = 24 hrs Q (cfs) 50.00 40.00 30.00 20.00 1 11 0.00 0 2 4 - - Hyd No. 3 SUBAREA3 Hyd. No. 3 --10 Yr Thursday, Mar 3 2005, 10:18 AM Peak discharge = 47.75 cfs Time interval = 6 min Curve number = 84 Hydraulic length = Oft Time of conc. (Tc) = 61.80 min Distribution = Type II Shape factor = 484 Hydrograph Volume = 351,065 cuft Q (cfs) 50.00 40.00 30.00 10.00 0.00 14 16 18 20 22 24 26 Time (hrs) Hydrograph Plot Hydraflow Hydrographs by Intellsolve Hyd. No. 4 SUBAREA 4 Hydrograph type = SCS Runoff Storm frequency = 10 yrs Drainage area = 24.914 ac Basin Slope = 0.0 % Tc method = TR55 Total precip. = 3.80 in Storm duration = 24 hrs Q (cfs) 28.00 24.00 20.00 -� 16.00 12.00 4.00 -- 0.00 0 2 4 6 _I.— Hyd No. 4 SUBAREA 4 Hyd. No. 4 --10 Yr Thursday, Mar 3 2005, 10:18 AM Peak discharge = 26.07 cfs Time interval = 6 min Curve number = 74 Hydraulic length = Oft Time of conc. (Tc) = 29.70 min Distribution = Type II Shape factor = 484 Hydrograph Volume = 135,340 cuft Q (cfs) 28.00 24.00 20.00 16.00 12.00 - 4.00 0.00 10 12 14 16 18 20 22 24 26 Time (hrs) Hydrograph Plot Hydraflow Hydrographs by Intelisolve Hyd. No. 5 SUBAREA5 Hydrograph type = SCS Runoff Storm frequency = 10 yrs Drainage area = 15.151 ac Basin Slope = 0.0 % Tc method = TR55 Total precip. = 3.80 in Storm duration = 24 hrs Q (cfs) 21.00 18.00 15.00 12.00 M . 11 3.00 0.00 - 0 2 4 6 8 -------- Hyd No. 5 SUBAREA5 Hyd. No. 5 -- 10 Yr Thursday, Mar 3 2005, 10:18 AM Peak discharge = 18.96 cfs Time interval = 6 min Curve number = 74 Hydraulic length = Oft Time of conc. (Tc) = 28.60 min Distribution = Type II Shape factor = 484 Hydrograph Volume = 79,810 cuft Q (cfs) 21.00 18.00 15.00 12.00 9.00 u.uu 3.00 - 0.00 10 12 14 16 18 20 22 24 26 Time (hrs) Hydrograph Plot Hydraflow Hydrographs by Intelisolve Hyd. No. 6 SUBAREA 6 Hydrograph type = SCS Runoff Storm frequency = 10 yrs Drainage area = 25.438 ac Basin Slope = 0.0 % Tc method = TR55 Total precip. = 3.80 in Storm duration = 24 hrs Q (cfs) 40.00 30.00 20.00 10.00 0.00 ' -- - 0 2 4 6 8 10 -m---- Hyd No. 6 SUBAREA6 Hyd. No. 6 --10 Yr Thursday, Mar 3 2005, 10:18 AM Peak discharge = 35.15 cfs Time interval = 6 min Curve number = 76 Hydraulic length = Oft Time of conc. (Tc) = 24.10 min Distribution = Type II Shape factor = 484 Hydrograph Volume = 146,529 cuft Q (cfs) 40.00 30.00 1 11 0.00 12 14 16 18 20 22 24 26 Time (hrs) Hydrograph Plot Hydraflow Hydrographs by Intelisolve Hyd. No. 7 SUBAREA Hydrograph type = SCS Runoff Storm frequency = 10 yrs Drainage area = 15.162 ac Basin Slope = 0.0 % Tc method = TR55 Total precip. = 3.80 in Storm duration = 24 hrs Q (cfs) 18.00 15.00 12.00 M Me 0.00 0 2 4 6 --1 - Hyd No. 7 SUBAREA7 Hyd. No. 7 -- 10 Yr 8 10 12 14 Thursday, Mar 3 2005, 10:18 AM Peak discharge = 15.09 cfs Time interval = 6 min Curve number = 79 Hydraulic length = Oft Time of conc. (Tc) = 56.60 min Distribution = Type II Shape factor = 484 Hydrograph Volume = 99,201 cuft Q (cfs) 18.00 15.00 12.00 M • II 3.00 0.00 16 18 20 22 24 26 Time (hrs) Hydrograph Plot Hydraflow Hydrographs by Intelisolve Hyd. No. 8 SUBAREA8 Hydrograph type = SCS Runoff Storm frequency = 10 yrs Drainage area = 23.214 ac Basin Slope = 0.0 % Tc method = TR55 Total precip. = 3.80 in Storm duration = 24 hrs Q (cfs) 28.00 24.00 . 11 I 12.00 4.00 - 0.00 0 Thursday, Mar 3 2005, 10:18 AM Peak discharge = 26.89 cfs Time interval = 6 min Curve number = 76 Hydraulic length = Oft Time of conc. (Tc) = 31.60 min Distribution = Type II Shape factor = 484 Hydrograph Volume = 137,897 cuft SUBAREA8 Hyd. No. 8 -- 10 Yr Q (cfs) 28.00 I I 24.00 i �— 20.00 - 16.00 12.00 4.00 0.00 2 4 6 8 10 12 14 16 18 20 22 24 26 Hyd No. 8 Time (hrs) Hydrograph Plot Hydraflow Hydrographs by Intelisolve Hyd. No. 9 SUBAREA9 Hydrograph type = SCS Runoff Storm frequency = 10 yrs Drainage area = 47.878 ac Basin Slope = 0.0 % Tc method = TR55 Total precip. = 3.80 in Storm duration = 24 hrs Q (cfs) 70.00 50.00 40.00 30.00 I 04000 10.00 i 0.00 0 2 4 6 8 ------ Hyd No. 9 Thursday, Mar 3 2005, 10:18 AM Peak discharge = 66.15 cfs Time interval = 6 min Curve number = 76 Hydraulic length = Oft Time of conc. (Tc) = 28.40 min Distribution = Type II Shape factor = 484 Hydrograph Volume = 275,789 cuft SUBAREA 9 Hyd. No. 9 --10 Yr Q (cfs) 70.00 I I 60.00 I I I I 50.00 I I I 40.00 We 20.00 iiMf ' 0.00 10 12 14 16 18 20 22 24 26 Time (hrs) Hydrograph Plot Hydraflow Hydrographs by Intelisolve Hyd. No. 10 SUBAREA 10 Hydrograph type = SCS Runoff Storm frequency = 10 yrs Drainage area = 9.203 ac Basin Slope = 0.0 % Tc method = TR55 Total precip. = 3.80 in Storm duration = 24 hrs Q (cfs) 18.00 15.00 • IQ • 11 3.00 0.00 -' - -... ............................... 0 2 4 6 8 Hyd No. 10 SUBAREA 10 Hyd. No. 10 -- 10 Yr I 1 jI jI R I 10 12 14 16 Thursday, Mar 3 2005, 10:18 AM Peak discharge = 15.92 cfs Time interval = 6 min Curve number = 81 Hydraulic length = Oft Time of conc. (Tc) = 21.10 min Distribution = Type II Shape factor = 484 Hydrograph Volume = 65,293 cuft Q (cfs) 18.00 15.00 12.00 • It • 11 - 3.00 0.00 18 20 22 24 26 Time (hrs) Hydrograph Plot Hydraflow Hydrographs by Intelisolve Hyd. No. 11 SUBAREA 11 Hydrograph type = SCS Runoff Storm frequency = 10 yrs Drainage area = 6.160 ac Basin Slope = 0.0 % Tc method = TR55 Total precip. = 3.80 in Storm. duration = 24 hrs Q (cfs) 8.00 . /1 2.00 0.00 0 2 4 ------ Hyd No. 11 SUBAREA 11 Hyd. No. 11 --10 Yr 6 8 10 12 Thursday, Mar 3 2005, 10:18 AM Peak discharge = 7.23 cfs Time interval = 6 min Curve number = 80 Hydraulic length = Oft Time of conc. (Tc) = 43.50 min Distribution = Type II Shape factor = 484 Hydrograph Volume = 40,935 cuft Q (cfs) 8.00 WE 4.00 ~ --- 0.00 14 16 18 20 22 24 26 Time (hrs) Hydrograph Plot Hydraflow Hydrographs by Intelisolve Hyd. No. 12 SUBAREA 3 Hydrograph type = Reservoir Storm frequency = 10 yrs Inflow hyd. No. = 3 Reservoir name = RENAISSANCE BASIN Storage Indication method used. Q (cfs) 50.00 40.00 30.00 20.00 10.00 W SUBAREA3 Hyd. No. 12 -- 10 Yr Peak discharge Time interval Max. Elevation Max. Storage Friday, Mar 4 2005, 7:54 AM = 33.48 cfs = 6 min = 1406.31 ft = 86,169 tuft Hydrograph Volume = 351,063 cuft Q (cfs) 50.00 40.00 I ' 30.00 20.00 1 - - - -- 10.00 0.00 2 4 6 8 10 12 14 16 18 20 22 24 26 Time (hrs) Hyd No. 12 Hyd No. 3 Hydrograph Plot Hydraflow Hydrographs by Intelisolve Hyd. No. 13 SUBAREA 1,2,3,10,11 Hydrograph type = Combine Storm frequency = 10 yrs Inflow hyds. = 1, 2, 10, 11, 12 Q (cfs) 180.00 160.00 140.00 120.00 100.00 80.00 60.00 40.00 20.00 0.00 0 2 4 6 SUBAREA 1,2,3,10,11 Hyd. No. 13 -- 10 Yr Peak discharge Time interval Friday, Mar 4 2005, 7:54 AM = 163.04 cfs = 6 min Hydrograph Volume = 1,167,297 cuft Q (cfs) 180.00 160.00 140.00 120.00 100.00 80.00 60.00 40.00 20.00 0.00 8 10 12 14 16 18 20 22 24 26 Hyd No. 13 Hyd No. 1 Hyd No. 2 Hyd No. 11 Hyd No. 12 Time (hrs) Hyd No. 10 Hydrograph Plot Hydraflow Hydrographs by Intelisolve Hyd. No. 14 SUBAREA 4,5,6,7,8,9 Hydrograph type = Combine Storm frequency = 10 yrs Inflow hyds. = 4, 5, 6, 7, 8, 9 Q (cfs) 210.00 180.00 Friday, Mar 4 2005, 7:54 AM Peak discharge = 182.75 cfs Time interval = 6 min Hydrograph Volume = 874,567 cuft SUBAREA 4,5,6,7,8,9 Hyd. No. 14 -- 10 Yr Q (cfs) 210.00 180.00 150.00 150.00 120.00 120.00 90.00 90.00 60.00 60.00 30.00 I 30.00 0.00 0.00 0 2 4 6 8 10 12 14 16 18 20 22 24 26 Hyd No. 14 Hyd No. 4 Hyd No. 5 Hyd No. 6 Time (hrs) Hyd No. 7 Hyd No. 8 Hyd No. 9 Hydrograph Plot Hydraflow Hydrographs by Intelisolve Hyd. No. 15 SUBAREA 4,5,6,7,8,9 Hydrograph type = Reservoir Storm frequency = 10 yrs Inflow hyd. No. = 14 Reservoir name = 281 BASIN Storage Indication method used Q (cfs) 210.00 180.00 150.00 120.00 90.00 60.00 30.00 0.00 0 3 6 Hyd No. 15 Friday, Mar 4 2005, 7:54 AM Peak discharge = 163.68 cfs Time interval = 6 min Max. Elevation = 1154.43 ft Max. Storage = 206,128 cuft Hydrograph Volume = 874,539 cuft SUBAREA 4,5,6,7,8,9 Hyd. No. 15 -- 10 Yr Q (cfs) 210.00 180.00 150.00 120.00 90.00 60.00 30.00 0.00 9 12 15 18 21 24 27 Time (hrs) Hyd No. 14 Hydrograph Plot Hydraflow Hydrographs by Intelisolve Hyd. No. 16 ALL SUBAREA Hydrograph type = Combine Storm frequency = 10 yrs Inflow hyds. = 13, 15 Q (cfs) 350.00 300.00 250.00 200.00 150.00 100.00 50.00 0.00 — — - 0 2 4 6 Hyd No. 16 Friday, Mar 4 2005, 7:54 AM Peak discharge = 326.72 cfs Time interval = 6 min Hydrograph Volume = 2,041,835 cuft ALL SUBAREA Hyd. No. 16 -- 10 Yr Q (cfs) 350.00 300.00 250.00 200.00 150.00 �. 100.00 50.00 �� -- 0.00 8 10 12 14 16 18 20 22 24 26 Time (hrs) Hyd No. 13 Hyd No. 15 APPENDIX H 25 YEAR HYDROGRAPHS 0 RT. 281/RENAISSANCE/BELLE DRIVE MAY 2005 i Hydrograph Plot Hydraflow Hydrographs by Intelisolve Hyd. No. 1 SUBAREA 1 Hydrograph type = SCS Runoff Storm frequency = 25 yrs Drainage area = 74.607 ac Basin Slope = 0.0 % Tc method = TR55 Total precip. = 4.40 in Storm duration = 24 hrs Q (cfs) 140.00 120.00 I I 100.00 80.00 I 40.00 20.00 0.00 0 2 4 6 -- Hyd No. 1 Thursday, Mar 3 2005, 10:18 AM Peak discharge = 123.95 cfs Time interval = 6 min Curve number = 83 Hydraulic length = Oft Time of conc. (Tc) = 43.40 min Distribution = Type II Shape factor = 484 SUBAREA1 Hyd. No. 1 -- 25 Yr i 8 10 12 14 16 18 Hydrograph Volume = 696,278 cuft 20 22 Q (cfs) 140.00 120.00 I I I } 100.00 I I 60.00 - -1 40.00 i 20.00 0.00 24 26 Time (hrs) Hydrograph Plot Hydraflow Hydrographs by Intelisolve Hyd. No. 2 SUBAREA 2 Hydrograph type = SCS Runoff Storm frequency = 25 yrs Drainage area = 19.802 ac Basin Slope = 0.0 % Tc method = TR55 Total precip. = 4.40 in Storm duration = 24 hrs Q (cfs) 50.00 40.00 30.00 20.00 10.00 0.00 1_ 0 2 4 ------- Hyd No. 2 C SUBAREA2 Hyd. No. 2 -- 25 Yr Thursday, Mar 3 2005, 10:18 AM Peak discharge = 46.68 cfs Time interval = 6 min Curve number = 83 Hydraulic length = Oft Time of conc. (Tc) = 28.90 min Distribution = Type II Shape factor = 484 Hydrograph Volume = 189,543 cuft Q (cfs) 50.00 F / 11 30.00 1 11 10.00 0.00 8 10 12 14 16 18 20 22 24 26 Time (hrs) Hydrograph Plot Hydraflow Hydrographs by Intelisolve Hyd. No. 3 SUBAREA3 Hydrograph type = SCS Runoff Storm frequency = 25 yrs Drainage area = 43.272 ac Basin Slope = 0.0 % Tc method = TR55 Total precip. = 4.40 in Storm duration = 24 hrs SUBAREA 3 Thursday, Mar 3 2005, 10:18 AM Peak discharge = 59.34 cfs Time interval = 6 min Curve number = 84 Hydraulic length = Oft Time of conc. (Tc) = 61.80 min Distribution = Type II Shape factor = 484 Hydrograph Volume = 435,958 cuft Q (cfs) Hyd. No. 3 -- 25 Yr Q (cfs) 60.00 1 60.00 I i I I I I 50.00 50.00 I I I I I I 40.00 l 40.00 I I I 30.00 30.00 I ( I I I I 20.00 20.00 10.00 1� 10.00 0.00 — 0.00 0 2 4 6 8 10 12 14 16 18 20 22 24 26 n-._,---- Hyd No. 3 Time (hrs) Hydrograph Plot Hydraflow Hydrographs by Intelisolve Hyd. No. 4 SUBAREA 4 Hydrograph type = SCS Runoff Storm frequency = 25 yrs Drainage area = 24.914 ac Basin Slope = 0.0 % Tc method = TR55 Total precip. = 4.40 in Storm duration = 24 hrs Q (cfs) 35.00 30.00 25.00 15.00 10.00 I I 5.00 j 0.00 -I 0 2 4 -- Hyd No. 4 Thursday, Mar 3 2005, 10:18 AM Peak discharge = 34.61 cfs Time interval = 6 min Curve number = 74 Hydraulic length = Oft Time of conc. (Tc) = 29.70 min Distribution = Type 11 Shape factor = 484 SUBAREA 4 Hyd. No. 4 -- 25 Yr I I I I I I I I I I I I I I i I I I I I 6 8 10 12 14 16 18 20 Hydrograph Volume = 176,807 cuft Q (cfs) 35.00 I I I 30.00 I I 25.00 I I I 20.00 I 15.00 I I 10.00 5.00 0.00 22 24 26 Time (hrs) Hydrograph Plot Hydraflow Hydrographs by Intelisolve Hyd. No. 5 SUBAREA 5 Hydrograph type = SCS Runoff Storm frequency = 25 yrs Drainage area = 15.151 ac Basin Slope = 0.0 % Tc method = TR55 Total precip. = 4.40 in Storm duration = 24 hrs Q (cfs) 28.00 24.00 20.00 16.00 12.00 8.00 4.00 0.00 0 2 4 6 8 ------ Hyd No. 5 SUBAREA5 Hyd. No. 5 -- 25 Yr Thursday, Mar 3 2005, 10:18 AM Peak discharge = 2 5.0 7 cfs Time interval = 6 min Curve number = 74 Hydraulic length = Oft Time of conc. (Tc) = 28.60 min Distribution = Type II Shape factor = 484 Hydrograph Volume = 104,264 cuft Q (cfs) 28.00 24.00 f- 20.00 16.00 li I 4.00 0.00 10 12 14 16 18 20 22 24 26 Time (hrs) Hydrograph Plot Hydraflow Hydrographs by Intelisolve Hyd. No. 6 SUBAREA6 Hydrograph type = SCS Runoff Storm frequency = 25 yrs Drainage area = 25.438 ac Basin Slope = 0.0 % Tc method = TR55 Total precip. = 4.40 in Storm duration = 24 hrs Q (cfs) 50.00 40.00 30.00 20.00 M --- -------------- 0.00 0 2 4 ------- Hyd No. 6 Thursday, Mar 3 2005, 10:18 AM Peak discharge = 45.76 cfs Time interval = 6 min Curve number = 76 Hydraulic length = Oft Time of conc. (Tc) = 24.10 min Distribution = Type II Shape factor = 484 SUBAREA6 Hyd. No. 6 -- 25 Yr �I i 8 10 12 14 16 18 20 Hydrograph Volume = 189,324 cuft Q (cfs) 50.00 40.00 30.00 20.00 10.00 0.00 22 24 26 Time (hrs) Hydrograph Plot Hydraflow Hydrographs by Intelisolve Hyd. No. 7 SUBAREA 7 Hydrograph type = SCS Runoff Storm frequency = 25 yrs Drainage area = 15.162 ac Basin Slope = 0.0 % Tc method = TR55 Total precip. = 4.40 in Storm duration = 24 hrs Q (cfs) 21.00 18.00 15.00 12.00 d 11 • 11 SUBAREA7 Hyd. No. 7 -- 25 Yr 3.00 ` 3.00 0.00 _ ~ ` — 0.00 0 2 4 6 8 10 12 14 16 18 20 22 24 26 - Hyd No. 7 Time (hrs) Thursday, Mar 3 2005, 10:18 AM Peak discharge = 19.34 cfs Time interval = 6 min Curve number = 79 Hydraulic length = Oft Time of conc. (Tc) = 56.60 min Distribution = Type II Shape factor = 484 Hydrograph Volume = 126,191 cuft Q (cfs) 21.00 15.00 12.00 • 11 • 11 Hydrograph Plot Hydraflow Hydrographs by Intelisolve Hyd. No. 8 SUBAREA 8 Hydrograph type = SCS Runoff Storm frequency = 25 yrs Drainage area = 23.214 ac Basin Slope = 0.0 % Tc method = TR55 Total precip. = 4.40 in Storm duration = 24 hrs Q (cfs) 40.00 10.00 0.00 0 2 4 --._- l-- Hyd No. 8 Thursday, Mar 3 2005, 10:18 AM Peak discharge = 35.14 cfs Time interval = 6 min Curve number = 76 Hydraulic length = Oft Time of conc. (Tc) = 31.60 min Distribution = Type II Shape factor = 484 Hydrograph Volume = 178,171 cuft SUBAREA 8 Hyd. No. 8 -- 25 Yr Q (cfs) 40.00 1 I I 30.00 20.00 G� --— 10.00 - 0.00 6 8 10 12 14 16 18 20 22 24 26 Time (hrs) Hydrograph Plot Hydraflow Hydrographs by Intelisolve Hyd. No. 9 SUBAREA9 Hydrograph type = SCS Runoff Storm frequency = 25 yrs Drainage area = 47.878 ac Basin Slope = 0.0 % Tc method = TR55 Total precip. = 4.40 in Storm duration = 24 hrs SUBAREA 9 Thursday, Mar 3 2005, 10:18 AM Peak discharge = 86.13 cfs Time interval = 6 min Curve number = 76 Hydraulic length = Oft Time of conc. (Tc) = 28.40 min Distribution = Type II Shape factor = 484 Hydrograph Volume = 356,336 cuft Q (cfs) Hyd. No. 9 -- 25 Yr Q (cfs) 90.00 90.00 I I i ( I I I 80.00 j 80.00 I I I 70.00 j I 70.00 I i I i I 60.00 I 60.00 I I I 50.00 50.00 it I I I 40.00 j 40.00 i I I I i I 30.00 — 30.00 20.00 -i - I 20.00 I I i ji I 10.00 10.00 0.00 - 0.00 0 2 4 6 8 10 12 14 16 18 20 22 24 26 -_- -- Hyd No. 9 Time (hrs) Hydrograph Plot Hydraflow Hydrographs by Intelisolve Hyd. No. 10 SUBAREA 10 Hydrograph type = SCS Runoff Storm frequency = 25 yrs Drainage area = 9.203 ac Basin Slope = 0.0 % Tc method = TR55 Total precip. = 4.40 in Storm duration = 24 hrs Q (cfs) 21.00 18.00 15.00 - - 12.00 9.00 1 I 6.00 3.00 0.00 0 2 4 6 8 - Hyd No. 10 SUBAREA 10 Hyd. No. 10 -- 25 Yr Thursday, Mar 3 2005, 10:18 AM Peak discharge = 20.19 cfs Time interval = 6 min Curve number = 81 Hydraulic length = Oft Time of conc. (Tc) = 21.10 min Distribution = Type II Shape factor = 484 Hydrograph Volume = 82,242 cuft Q (cfs) 21.00 18.00 15.00 • 11 3.00 - 0.00 10 12 14 16 18 20 22 24 26 Time (hrs) Hydrograph Plot Hydraflow Hydrographs by Intelisolve Hyd. No. 11 SUBAREA 11 Hydrograph type = SCS Runoff Storm frequency = 25 yrs Drainage area = 6.160 ac Basin Slope = 0.0 % Tc method = TR55 Total precip. = 4.40 in Storm duration = 24 hrs Q (cfs) 10.00 TIM 4.00 SUBAREA 11 Hyd. No. 11 -- 25 Yr Thursday, Mar 3 2005, 10:18 AM Peak discharge = 9.20 cfs Time interval = 6 min Curve number = 80 Hydraulic length = Oft Time of conc. (Tc) = 43.50 min Distribution = Type II Shape factor = 484 Hydrograph Volume = 51,813 cuft Q (cfs) 10.00 • /1 4.00 2.00 0.00 - —'I ------ 0.00 0 2 4 6 8 10 12 14 16 18 20 22 24 26 ---- Hyd No. 11 Time (hrs) Hydrograph Plot Hydraflow Hydrographs by Intelisolve Hyd. No. 12 SUBAREA 3 Hydrograph type = Reservoir Storm frequency = 25 yrs Inflow hyd. No. = 3 Reservoir name = RENAISSANCE BASIN Storage Indication method used. Q (cfs) 60.00 50.00 40.00 30.00 20.00 l I 10.00 0.00 0 2 4 6 Hyd No. 12 SUBAREA 3 Hyd. No. 12 -- 25 Yr 8 10 Hyd No. 3 Friday, Mar 4 2005, 7:54 AM Peak discharge = 50.40 cfs Time interval = 6 min Max. Elevation = 1406.52 ft Max. Storage = 91,773 cuft Hydrograph Volume = 435,956 cuft Q (cfs) 60.00 50.00 O of 20.00 10.0c 0.00 12 14 16 18 20 22 24 26 Time (hrs) Hydrograph Plot Hydraflow Hydrographs by Intelisolve Hyd. No. 13 SUBAREA 1,2,3,10,11 Hydrograph type = Combine Storm frequency = 25 yrs Inflow hyds. = 1, 2, 10, 11, 12 Q (cfs) 210.00 180.00 150.00 120.00 Friday, Mar 4 2005, 7:54 AM Peak discharge = 202.01 cfs Time interval = 6 min Hydrograph Volume = 1,455,831 cuft SUBAREA 1,2,3,10,11 Hyd. No. 13 -- 25 Yr Q (cfs) 210.00 180.00 150.00 120.00 90.00 30.00 0.00 0.00 0 2 4 6 8 10 12 14 16 18 20 22 24 26 Hyd No. 13 Hyd No. 1 Hyd No. 2 Hyd No. 10 Time (hrs) Hyd No. 11 Hyd No. 12 Hydrograph Plot Hydraflow Hydrographs by Intelisolve Hyd. No. 14 SUBAREA 4,5,6,7,8,9 Hydrograph type = Combine Storm frequency = 25 yrs Inflow hyds. = 4, 5, 6, 7, 8, 9 SUBAREA 4,5,6,7,8,9 Q (cfs) Hyd. No. 14 -- 25 Yr 240.00 i '.� i 120.00 :IM 40.00 Friday, Mar 4 2005, 7:54 AM Peak discharge = 239.72 cfs Time interval = 6 min Hydrograph Volume = 1,131,092 cuft Q (cfs) 240.00 200.00 160.00 120.00 80.00 40.00 0.00 _���� I _ , . _ `1- . 0.00 0 2 4 6 8 10 12 14 16 18 20 22 24 26 Hyd No. 14 Hyd No. 4 Hyd No. 5 Hyd No. 6 Time (hrs) Hyd No. 7 Hyd No. 8 Hyd No. 9 Hydrograph Plot Hydraflow Hydrographs by Intelisolve Hyd. No. 15 SUBAREA 4,5,6,7,8,9 Hydrograph type = Reservoir Storm frequency = 25 yrs Inflow hyd. No. = 14 Reservoir name = 281 BASIN Storage Indication method used Q (cfs) 240.00 200.00 160.00 120.00 80.00 40.00 SUBAREA 4,5,6,7,8,9 Hyd. No. 15 -- 25 Yr Friday, Mar 4 2005, 7:54 AM Peak discharge = 229.68 cfs Time interval = 6 min Max. Elevation = 1154.54 ft Max. Storage = 216,221 cuft Hydrograph Volume = 1,131,064 cuft Q (cfs) 240.00 200.00 160.00 120.00 80.00 40.00 0.00 .. 0.00 0 3 6 9 12 15 18 21 24 27 Time (hrs) Hyd No. 15 Hyd No. 14 Hydrograph Plot Hydraflow Hydrographs by Intelisolve Hyd. No. 16 ALL SUBAREA Hydrograph type = Combine Storm frequency = 25 yrs Inflow hyds. = 13, 15 Q (cfs) 480.00 420.00 360.00 300.00 240.00 180.00 120.00 60.00 0.00 0 3 6 Hyd No. 16 Friday, Mar 4 2005, 7:54 AM Peak discharge = 431.69 cfs Time interval = 6 min Hydrograph Volume = 2,586,896 cuft ALL SUBAREA Hyd. No. 16 -- 25 Yr Q (cfs) 480.00 420.00 360.00 300.00 240.00 180.00 120.00 60.00 oI � -� -� 0.00 9 12 15 18 21 24 27 Time (hrs) - Hyd No. 13 Hyd No. 15 Ka I APPENDIX I 50 YEAR HYDROGRAPHS RT. 281/RENAISSANCE/BELLE DRIVE MAY 2005 Hydrograph Plot Hydraflow Hydrographs by Intelisolve Hyd. No. 1 SUBAREA 1 Hydrograph type = SCS Runoff Storm frequency = 50 yrs Drainage area = 74.607 ac Basin Slope = 0.0 % Tc method = TR55 Total precip. = 4.80 in Storm duration = 24 hrs Q (cfs) 160.00 I I 140.00 I I I 120.00 I I I 100.00 I I I 80.00 I I I 60.00 f I 40.00 20.00 0.00 - 0 2 4 6 --- Hyd No. 1 Thursday, Mar 3 2005, 10:18 AM Peak discharge = 140.88 cfs Time interval = 6 min Curve number = 83 Hydraulic length = Oft Time of conc. (Tc) = 43.40 min Distribution = Type II Shape factor = 484 Hydrograph Volume = 790,502 cuft SUBAREA 1 Hyd. No. 1 -- 50 Yr Q (cfs) 160.00 140.00 I I I I 120.00 I I I I I I 100.00 I I I I I I 80.00 I I t 60.00 I' I I I 40.00 I I 20.00 - I 0.00 8 10 12 14 16 18 20 22 24 26 Time (hrs) Hydrograph Plot Hydraflow Hydrographs by Intelisolve Hyd. No. 2 SUBAREA 2 Hydrograph type = SCS Runoff Storm frequency = 50 yrs Drainage area = 19.802 ac Basin Slope = 0.0 % Tc method = TR55 Total precip. = 4.80 in Storm duration = 24 hrs Q (cfs) 60.00 50.00 40.00 30.00 20.00 owe 0.00 - I...... __. 0 2 4 6 8 10 ------ Hyd No. 2 SUBAREA 2 Hyd. No. 2 -- 50 Yr 0 Thursday, Mar 3 2005, 10:18 AM Peak discharge = 5 3.0 3 cfs Time interval = 6 min Curve number = 83 Hydraulic length = Oft Time of conc. (Tc) = 28.90 min Distribution = Type II Shape factor = 484 Hydrograph Volume = 215,193 cuft Q (cfs) 60.00 50.00 40.00 30.00 I I 20.00 i 10.00 -__ 0.00 12 14 16 18 20 22 24 26 Time (hrs) Hydrograph Plot Hydraflow Hydrographs by Intelisolve Hyd. No. 3 SUBAREA 3 Hydrograph type = SCS Runoff Storm frequency = 50 yrs Drainage area = 43.272 ac Basin Slope = 0.0 % Tc method = TR55 Total precip. = 4.80 in Storm duration = 24 hrs Q (cfs) 70.00 ?a 11 t 50.00 40.00 1 11 I I 20.00 10.00 0.00 1 . __..�--- 0 2 4 6 8 ---- --- Hyd No. 3 SUBAREA 3 Hyd. No. 3 -- 50 Yr r I I I I I I ! I I I 1 I I I ! Jt I 10 12 14 16 Thursday, Mar 3 2005, 10:18 AM Peak discharge = 67.16 cfs Time interval = 6 min Curve number = 84 Hydraulic length = Oft Time of conc. (Tc) = 61.80 min Distribution = Type II Shape factor = 484 Hydrograph Volume = 493,717 cuft Q (cfs) 70.00 - M I I 50.00 I I I 40.00 30.00 I 20.00 I 10.00 I - 0.00 18 20 22 24 26 Time (hrs) Hydrograph Plot Hydraflow Hydrographs by Intelisolve Hyd. No. 4 SUBAREA 4 Hydrograph type = SCS Runoff Storm frequency = 50 yrs Drainage area = 24.914 ac Basin Slope = 0.0 % Tc method = TR55 Total precip. = 4.80 in Storm duration = 24 hrs SUBAREA 4 Q (cfs) Hyd. No. 4 -- 50 Yr 50.00 40.00 i 30.00 i 20.00 10.00 - 0.00 - 0 2 4 "I-.--- Hyd No. 4 Thursday, Mar 3 2005, 10:18 AM Peak discharge = 40.52 cfs Time interval = 6 min Curve number = 74 Hydraulic length = Oft Time of conc. (Tc) = 29.70 min Distribution = Type II Shape factor = 484 Hydrograph Volume = 205,721 cuft Q (cfs) 50.00 40.00 30.00 20.00 10.00 1' `--] 0.00 6 8 10 12 14 16 18 20 22 24 26 Time (hrs) Hydrograph Plot Hydraflow Hydrographs by Intelisolve Hyd. No. 5 SUBAREA 5 Hydrograph type Storm frequency Drainage area Basin Slope Tc method Total precip. Storm duration Q (cfs) 30.00 25.00 20.00 15.00 10.00 I 5.00 J- 0.00 0 2 = SCS Runoff = 50 yrs = 15.151 ac = 0.0 % = TR55 = 4.80 in = 24 hrs 4 6 8 - _- Hyd No. 5 Thursday, Mar 3 2005, 10:18 AM Peak discharge = 29.30 cfs Time interval = 6 min Curve number = 74 Hydraulic length = Oft Time of conc. (Tc) = 28.60 min Distribution = Type II Shape factor = 484 Hydrograph Volume = 121,314 cuft SUBAREA 5 Hyd. No. 5 -- 50 Yr Q (cfs) I 30.00 25.00 20.00 I 15.00 I I I 10.00 f I I ---- 5.00 `- - �- 0.00 10 12 14 16 18 20 22 24 26 Time (hrs) Hydrograph Plot Hydraflow Hydrographs by Intelisolve Hyd. No. 6 SUBAREA 6 Hydrograph type = SCS Runoff Storm frequency = 50 yrs Drainage area = 25.438 ac Basin Slope = 0.0 % Tc method = TR55 Total precip. = 4.80 in Storm duration = 24 hrs Q (cfs) 60.00 50.00 40.00 20.00 10.00 0.00 0 2 4 Hyd No. 6 Thursday, Mar 3 2005, 10:18 AM Peak discharge = 53.17 cfs Time interval = 6 min Curve number = 76 Hydraulic length = Oft Time of conc. (Tc) = 24.10 min Distribution = Type II Shape factor = 484 Hydrograph Volume = 219,001 cuft SUBAREA 6 Hyd. No. 6 -- 50 Yr 6 8 10 12 14 16 18 20 22 Q (cfs) 60.00 I 50.00 40.00 30.00 20.00 I 10.00 0.00 24 26 Time (hrs) Hydrograph Plot Hydraflow Hydrographs by Intelisolve Hyd. No. 7 SUBAREA 7 Hydrograph type = SCS Runoff Storm frequency = 50 yrs Drainage area = 15.162 ac Basin Slope = 0.0 % Tc method = TR55 Total precip. = 4.80 in Storm duration = 24 hrs Q (cfs) 24.00 16.00 12.00 SUBAREA7 Hyd. No. 7 -- 50 Yr Thursday, Mar 3 2005, 10:18 AM Peak discharge = 22.24 cfs Time interval = 6 min Curve number = 79 Hydraulic length = Oft Time of conc. (Tc) = 56.60 min Distribution = Type II Shape factor = 484 Hydrograph Volume = 144,765 cuft Q (cfs) 24.00 16.00 12.00 M 4.00 ----\ 4.00 0.00 — - 0.00 0 2 4 6 8 10 12 14 16 18 20 22 24 26 - - 4 - Hyd No. 7 Time (hrs) Hydrograph Plot Hydraflow Hydrographs by Intelisolve Hyd. No. 8 SUBAREA8 Hydrograph type = SCS Runoff Storm frequency = 50 yrs Drainage area = 23.214 ac Basin Slope = 0.0 % Tc method = TR55 Total precip. = 4.80 in Storm duration = 24 hrs Q (cfs) 50.00 40.00 30.00 10.00 0.00 0 2 4 .-- Hyd No. 8 SUBAREA 8 Hyd. No. 8 -- 50 Yr Thursday, Mar 3 2005, 10:18 AM Peak discharge = 40.81 cfs Time interval = 6 min Curve number = 76 Hydraulic length = Oft Time of conc. (Tc) = 31.60 min Distribution = Type II Shape factor = 484 Hydrograph Volume = 206,100 cuft Q (cfs) 50.00 40.00 1 11 iIIIiIE 0.00 6 8 10 12 14 16 18 20 22 24 26 Time (hrs) Hydrograph Plot Hydraflow Hydrographs by Intelisolve Hyd. No. 9 SUBAREA9 Hydrograph type = SCS Runoff Storm frequency = 50 yrs Drainage area = 47.878 ac Basin Slope = 0.0 % Tc method = TR55 Total precip. = 4.80 in Storm duration = 24 hrs Q (cfs) 120.00 100.00 I I I 60.00 I 40.00 I I I 20.00 - 0.00 -I 0 2 4 6 Hyd No. 9 SUBAREA 9 Hyd. No. 9 -- 50 Yr Thursday, Mar 3 2005, 10:18 AM Peak discharge = 100.08 cfs Time interval = 6 min Curve number = 76 Hydraulic length = Oft Time of conc. (Tc) = 28.40 min Distribution = Type II Shape factor = 484 Hydrograph Volume = 412,192 cuft Q (cfs) 120.00 100.00 I I 80.00 60.00 - 40.00 I — 20.00 --------- ------ — 0.00 8 10 12 14 16 18 20 22 24 26 Time (hrs) Hydrograph Plot Hydraflow Hydrographs by Intelisolve Hyd. No. 10 SUBAREA 10 Hydrograph type = SCS Runoff Storm frequency = 50 yrs Drainage area = 9.203 ac Basin Slope = 0.0 % Tc method = TR55 Total precip. = 4.80 in Storm duration = 24 hrs Q (cfs) 24.00 20.00 16.00 12.00 8.00 i 4.00 i 0.00 -i 0 2 4 ._._..___ Hyd No. 10 Thursday, Mar 3 2005, 10:18 AM Peak discharge = 23.09 cfs Time interval = 6 min Curve number = 81 Hydraulic length = Oft Time of conc. (Tc) = 21.10 min Distribution = Type II Shape factor = 484 Hydrograph Volume = 93,850 cuft SUBAREA 10 Hyd. No. 10 -- 50 Yr Q (cfs) 24.00 20.00 16.00 12.00 I 8.00 4.00 - 0.00 6 8 10 12 14 16 18 20 22 24 26 Time (hrs) Hydrograph Plot Hydraflow Hydrographs by Intelisolve Thursday, Mar 3 2005, 10:18 AM Hyd. No. 11 SUBAREA 11 Hydrograph type = SCS Runoff Peak discharge = 10.53 cfs Storm frequency = 50 yrs Time interval = 6 min Drainage area = 6.160 ac Curve number = 80 Basin Slope = 0.0 % Hydraulic length = Oft Tc method = TR55 Time of conc. (Tc) = 43.50 min Total precip. = 4.80 in Distribution = Type II Storm duration = 24 hrs Shape factor = 484 Hydrograph Volume = 59,281 cuft SUBAREA 11 Q (cfs) Hyd. No. 11 -- 50 Yr Q (cfs) 12.00 12.00 10.00 ; 10.00 8.00 I 8.00 6.00 6.00 4.00 4.00 2.00 i- -� -- - 2.00 w 0.00 0 2 4 6 8 10 12 14 16 18 20 22 24 26 -- ®- Hyd No. 11 Time (hrs) Hydrograph Plot Hydraflow Hydrographs by Intelisolve Hyd. No. 12 SUBAREA3 Hydrograph type = Reservoir Storm frequency = 50 yrs Inflow hyd. No. = 3 Reservoir name = RENAISSANCE BASIN Storage Indication method used Q (cfs) 70.00 50.00 1 11 30.00 NM 10.00 0.00 0 Friday, Mar 4 2005, 7:54 AM Peak discharge = 60.77 cfs Time interval = 6 min Max. Elevation = 1406.63 ft Max. Storage = 94,685 cuft Hydrograph Volume = 493,715 cuft SUBAREA 3 Hyd. No. 12 -- 50 Yr Q (cfs) 70.00 60.00 50.00 40.00 30.00 20.00 2 4 6 8 10 12 14 Hyd No. 12 Hyd No. 3 10.00 0.00 16 18 20 22 24 26 Time (hrs) Hydrograph Plot Hydraflow Hydrographs by Intelisolve Hyd. No. 13 SUBAREA 1,2,3,10,11 Hydrograph type = Combine Storm frequency = 50 yrs Inflow hyds. = 1, 2, 10, 11, 12 SUBAREA 1,2,3,10,11 Friday, Mar 4 2005, 7:54 AM Peak discharge = 228.23 cfs Time interval = 6 min Hydrograph Volume = 1,652,542 cult Q (cfs) Hyd. No. 13 -- 50 Yr Q (cfs) 240.00 240.00 210.00 210.00 180.00 180.00 150.00 150.00 II 120.00 120.00 90.00 90.00 60.00 h — 60.00 30.00 ' 30.00 0 2 4 6 8 10 12 14 16 18 20 22 24 26 Hyd No. 13 Hyd No. 1 Hyd No. 2 Hyd No. 10 Time (hrs) Hyd No. 11 Hyd No. 12 Hydrograph Plot Hydraflow Hydrographs by Intelisolve Hyd. No. 14 SUBAREA 4,5,6,7,8,9 Hydrograph type = Combine Storm frequency = 50 yrs Inflow hyds. = 4, 5, 6, 7, 8, 9 SUBAREA 4,5,6,7,8,9 Friday, Mar 4 2005, 7:54 AM Peak discharge = 279.00 cfs Time interval = 6 min Hydrograph Volume = 1,309,093 cuft Q (cfs) Hyd. No. 14 -- 50 Yr Q (cfs) 280.00 I 280.00 240.00 240.00 200.00 200.00 160.00 120.00 160.00 120.00 40.00 0.00 0.00 0 2 4 6 8 10 12 14 16 18 20 22 24 26 Hyd No. 14 Hyd No. 4 Hyd No. 5 Hyd No. 6 Time (hrs) Hyd No. 7 Hyd No. 8 Hyd No. 9 Hydrograph Plot Hydraflow Hydrographs by Intelisolve Hyd. No. 15 SUBAREA 4,5,6,7,8,9 Hydrograph type = Reservoir Storm frequency = 50 yrs Inflow hyd. No. = 14 Reservoir name = 281 BASIN Storage Indication method used SUBAREA 4,5,6,7,8,9 Q (cfs) Hyd. No. 15 -- 50 Yr 280.00 240.00 200.00 160.00 " 120.00 80.00 40.00 0.00 0 3 6 9 12 15 Hyd No. 15 Hyd No. 14 Friday, Mar 4 2005, 7:54 AM Peak discharge = 282.36 cfs Time interval = 6 min Max. Elevation = 1154.63 ft Max. Storage = 223,571 cuft Hydrograph Volume = 1,309,066 cuft 18 21 Q (cfs) 280.00 240.00 200.00 160.00 120.00 80.00 40.00 0.00 24 27 Time (hrs) Hydrograph Plot Hydraflow Hydrographs by Intelisolve Friday, Mar 4 2005, 7:54 AM Hyd. No. 16 ALL SUBAREA Hydrograph type = Combine Peak discharge = 505.52 cfs Storm frequency = 50 yrs Time interval = 6 min Inflow hyds. = 13, 15 Hydrograph Volume = 2,961,609 cuft ALL SUBAREA Q (cfs) Hyd. No. 16 -- 50 Yr Q (cfs) 560.00 560.00 490.00 490.00 420.00 420.00 350.00 - - 350.00 280.00 - - -- - — - 280.00 210.00 210.00 140.00 140.00 70.00 70.00 0 3 6 9 12 15 18 21 24 27 Time (hrs) Hyd No. 16 Hyd No. 13 Hyd No. 15 CHA APPENDIX J 100 YEAR HYDROGRAP HS I RT. 281/RENAISSANCE/BELLE DRIVE MAY 2005 1� Hydrograph Plot Hydraflow Hydrographs by Intelisolve Hyd. No. 1 SUBAREA 1 Hydrograph type = SCS Runoff Storm frequency = 100 yrs Drainage area = 74.607 ac Basin Slope = 0.0 % Tc method = TR55 Total precip. = 5.00 in Storm duration = 24 hrs Thursday, Mar 3 2005, 10:18 AM Peak discharge = 149.40 cfs Time interval = 6 min Curve number = 83 Hydraulic length = Oft Time of conc. (Tc) = 43.40 min Distribution = Type II Shape factor = 484 Hydrograph Volume = 838,129 cuft Q (cfs) Hyd. No. 1 -- 100 Yr Q (cfs) 160.00 160.00 I I I I 140.00 140.00 I I I I I ) 120.00 120.00 I I I I I I 100.00 100.00 I I I I I i I 80.00 80.00 I I I I I 60.00 60.00 I Ij II 40.00 40.00 I 20.00 - - --- - - - - 20.00 I � - 0.00 __" - — 0.00 0 2 4 6 8 10 12 14 16 18 20 22 24 26 ---- Hyd No. 1 Time (hrs) Hydrograph Plot Hydraflow Hydrographs by Intelisolve Hyd. No. 2 SUBAREA2 Hydrograph type = SCS Runoff Storm frequency = 100 yrs Drainage area = 19.802 ac Basin Slope = 0.0 % Tc method = TR55 Total precip. = 5.00 in Storm duration = 24 hrs Q (cfs) 60.00 I 50.00 40.00 30.00 20.00 10.00 SUBAREA 2 Hyd. No. 2 -- 100 Yr i ,I i I Thursday, Mar 3 2005, 10:18 AM Peak discharge = 56.23 cfs Time interval = 6 min Curve number = 83 Hydraulic length = Oft Time of conc. (Tc) = 28.90 min Distribution = Type II Shape factor = 484 Hydrograph Volume = 228,158 cuft Q (cfs) 60.00 I 50.00 40.00 ( ( 30.00 20.00 10.00 0.00 - 0.00 0 2 4 6 8 10 12 14 16 18 20 22 24 26 ------• Hyd No. 2 Time (hrs) Hydrograph Plot Hydraflow Hydrographs by Intelisolve Hyd. No. 3 SUBAREA3 Hydrograph type = SCS Runoff Storm frequency = 100 yrs Drainage area = 43.272 ac Basin Slope = 0.0 % Tc method = TR55 Total precip. = 5.00 in Storm duration = 24 hrs Q (cfs) 80.00 70.00 50.00 40.00 I i i 30.00 I I 20.00 -J, SUBAREA 3 Hyd. No. 3 -- 100 Yr i� 1 I I 1 I `I f I I I I lI 1 1 I lI-- - 11 Thursday, Mar 3 2005, 10:18 AM Peak discharge = 71.09 cfs Time interval = 6 min Curve number = 84 Hydraulic length = Oft Time of conc. (Tc) = 61.80 min Distribution = Type II Shape factor = 484 Hydrograph Volume = 522,882 cult Q (cfs) 80.00 I 1 11 50.00 40.00 30.00 20.00 10.00 - - I 10.00 0.00�- 0.00 0 2 4 6 8 10 12 14 16 18 20 22 24 26 Time (hrs) ------- Hyd No. 3 Hydrograph Plot Hydraflow Hydrographs by Intellsolve Hyd. No. 4 SUBAREA4 Hydrograph type = SCS Runoff Storm frequency = 100 yrs Drainage area = 24.914 ac Basin Slope = 0.0 % Tc method = TR55 Total precip. = 5.00 in Storm duration = 24 hrs Q (cfs) 50.00 i 30.00 20.00 10.00 0.00 0 2 4 6 8 Hyd No. 4 SUBAREA 4 Hyd. No. 4 -- 100 Yr i I l 1 1 10 12 14 Thursday, Mar 3 2005, 10:18 AM Peak discharge = 43.53 cfs Time interval = 6 min Curve number = 74 Hydraulic length = Oft Time of conc. (Tc) = 29.70 min Distribution = Type II Shape factor = 484 Hydrograph Volume = 220,500 cuft Q (cfs) 50.00 40.00 20.00 1 11 0.00 16 18 20 22 24 26 Time (hrs) Hydrograph Plot Hydraflow Hydrographs by Intellsolve Hyd. No. 5 SUBAREA 5 Hydrograph type = SCS Runoff Storm frequency = 100 yrs Drainage area = 15.151 ac Basin Slope = 0.0 % Tc method = TR55 Total precip. = 5.00 in Storm duration = 24 hrs Q (cfs) 35.00 i I I 30.00 I I I 25.00 - I I I 20.00 I I I 15.00 I 10.00 5.00 - 0.00 0 2 4 6 8 --------- Hyd No. 5 Thursday, Mar 3 2005, 10:18 AM Peak discharge = 31.45 cfs Time interval = 6 min Curve number = 74 Hydraulic length = Oft Time of conc. (Tc) = 28.60 min Distribution = Type II Shape factor = 484 SUBAREA 5 Hyd. No. 5 --100 Yr r I I I I I I I I I i I I I - ---- -- - ---- - ---^ - - - 10 12 14 16 18 2C Hydrograph Volume = 130,030 cuft Q (cfs) 35.00 30.00 I I I 25.00 it f f 15.00 i[1xiH 5.00 I I I — 0.00 22 24 26 Time (hrs) Hydrograph Plot Hydraflow Hydrographs by Intelisolve Hyd. No. 6 SUBAREA 6 Hydrograph type = SCS Runoff Storm frequency = 100 yrs Drainage area = 25.438 ac Basin Slope = 0.0 % Tc method = TR55 Total precip. = 5.00 in Storm duration = 24 hrs Q (cfs) 60.00 50.00 1 40.00 I 30.00 20.00 10.00 -f-- -- - 0.00 - 0 2 4 6 8 I----- Hyd No. 6 SUBAREA 6 Hyd. No. 6 -- 100 Yr Thursday, Mar 3 2005, 10:18 AM Peak discharge = 57.01 cfs Time interval = 6 min Curve number = 76 Hydraulic length = Oft Time of conc. (Tc) = 24.10 min Distribution = Type II Shape factor = 484 Hydrograph Volume = 234,129 cuft Q (cfs) 60.00 50.00 I 40.00 i 30.00 20.00 10.00 I 0.00 10 12 14 16 18 20 22 24 26 Time (hrs) Hydrograph Plot Hydraflow Hydrographs by Intelisolve Hyd. No. 7 SUBAREA 7 Hydrograph type = SCS Runoff Storm frequency = 100 yrs Drainage area = 15.162 ac Basin Slope = 0.0 % Tc method = TR55 Total precip. = 5.00 in Storm duration = 24 hrs Q (cfs) 24.00 20.00 16.00 12.00 4.00 0.00 0 2 4 6 -- Hyd No. 7 Thursday, Mar 3 2005, 10:18 AM Peak discharge = 23.71 cfs Time interval = 6 min Curve number = 79 Hydraulic length = Oft Time of conc. (Tc) = 56.60 min Distribution = Type II Shape factor = 484 SUBAREA7 Hyd. No. 7 --100 Yr ! ! ! 1 ! ! 8 10 12 14 16 18 Hydrograph Volume = 154,197 cuft Q (cfs) 24.00 M 16.00 12.00 4.00 �--- 0.00 20 22 24 26 Time (hrs) Hydrograph Plot Hydraflow Hydrographs by Intelisolve Hyd. No. 8 SUBAREA 8 Hydrograph type = SCS Runoff Storm frequency = 100 yrs Drainage area = 23.214 ac Basin Slope = 0.0 % Tc method = TR55 Total precip. = 5.00 in Storm duration = 24 hrs Q (cfs) 50.00 l 40.00 30.00 SUBAREA8 Hyd. No. 8 -- 100 Yr 20.00 10.00 0.00 -- - 0 2 4 6 8 10 12 ----- Hyd No. 8 14 16 Thursday, Mar 3 2005, 10:18 AM Peak discharge = 43.70 cfs Time interval = 6 min Curve number = 76 Hydraulic length = Oft Time of conc. (Tc) = 31.60 min Distribution = Type II Shape factor = 484 Hydrograph Volume = 220,337 cult 18 20 22 Q (cfs) 50.00 40.00 30.00 20.00 10.00 -% --- -' 0.00 24 26 Time (hrs) Hydrograph Plot Hydraflow Hydrographs by Intelisolve Hyd. No. 9 SUBAREA9 Hydrograph type = SCS Runoff Storm frequency = 100 yrs Drainage area = 47.878 ac Basin Slope = 0.0 % Tc method = TR55 Total precip. = 5.00 in Storm duration = 24 hrs Q (cfs) 120.00 100.00 I I I I 60.00 I I I 40.00 20.00 SUBAREA9 Hyd. No. 9 -- 100 Yr 0.00 -- I -- 0 2 4 6 8 10 12 14 16 Hyd No. 9 Thursday, Mar 3 2005, 10:18 AM Peak discharge = 107.30 cfs Time interval = 6 min Curve number = 76 Hydraulic length = Oft Time of conc. (Tc) = 28.40 min Distribution = Type II Shape factor = 484 Hydrograph Volume = 440,665 cuft Q (cfs) 120.00 I I 80.00 60.00 I 40.00 20.00 I ` 0.00 18 20 22 24 26 Time (hrs) Hydrograph Plot Hydraflow Hydrographs by Intellsolve Hyd. No. 10 SUBAREA 10 Hydrograph type Storm frequency Drainage area Basin Slope Tc method Total precip. Storm duration Q (cfs) 28.00 24.00 20.00 16.00 12.00 8.00 4.00 0.00 = SCS Runoff = 100 yrs = 9.203 ac = 0.0 % = TR55 = 5.00 in = 24 hrs 0 2 4 6 Thursday, Mar 3 2005, 10:18 AM Peak discharge = 24.56 cfs Time interval = 6 min Curve number = 81 Hydraulic length = Oft Time of conc. (Tc) = 21.10 min Distribution = Type II Shape factor = 484 SUBAREA 10 Hyd. No. 10 -- 100 Yr P 1 l I t -- 8 10 12 14 16 18 20 Hydrograph Volume = 99,730 cuft Q (cfs) 28.00 24.00 20.00 16.00 12.00 m 4.00 �- --- 0.00 22 24 26 Time (hrs) Hyd No. 10 Hydrograph Plot Hydraflow Hydrographs by Intelisolve Thursday, Mar 3 2005, 10:18 AM Hyd. No. 11 SUBAREA 11 Hydrograph type = SCS Runoff Peak discharge = 11.21 cfs Storm frequency = 100 yrs Time interval = 6 min Drainage area = 6.160 ac Curve number = 80 Basin Slope = 0.0 % Hydraulic length = Oft Tc method = TR55 Time of conc. (Tc) = 43.50 min Total precip. = 5.00 in Distribution = Type II Storm duration = 24 hrs Shape factor = 484 Hydrograph Volume = 63,069 cuft SUBAREA 11 Q (cfs) Hyd. No. 11 -- 100 Yr Q (cfs) 12.00 12.00 10.00 1 10.00 8.00 8.00 I 6.00 6.00 4.00 '; 4.00 2.00 — 2.00 0.00 `• -- 0.00 0 2 4 6 8 10 12 14 16 18 20 22 24 26 Time (hrs) Hyd No. 11 Hydrograph Plot Hydraflow Hydrographs by Intelisolve Hyd. No. 12 SUBAREA3 Hydrograph type = Reservoir Storm frequency = 100 yrs Inflow hyd. No. = 3 Reservoir name = RENAISSANCE BASIN Storage Indication method used SUBAREA 3 Q (cfs) Hyd. No. 12 -- 100 Yr 80.00 20.00 10.00 0.00 - -- - 0 2 4 6 Hyd No. 12 Friday, Mar 4 2005, 7:54 AM Peak discharge = 65.24 cfs Time interval = 6 min Max. Elevation = 1406.68 ft Max. Storage = 95,870 cuft Hydrograph Volume = 522,881 cult Q (cfs) 80.00 .M 50.00 EM 20.00 10.00 0.00 8 10 12 14 16 18 20 22 24 26 Hyd No. 3 Time (hrs) Hydrograph Plot Hydraflow Hydrographs by Intelisolve Hyd. No. 13 SUBAREA 1,2,3,10,11 Hydrograph type = Combine Storm frequency = 100 yrs Inflow hyds. = 1, 2, 10, 11, 12 Q (cfs) 280.00 240.00 200.00 160.00 120.00 40.00 0.00 0 SUBAREA 1,2,3,10,11 Hyd. No. 13 -- 100 Yr Peak discharge Time interval Friday, Mar 4 2005, 7:54 AM = 241.41 cfs = 6 min Hydrograph Volume = 1,751,967 cuft Q (cfs) 280.00 240.00 -- — F --- 200.00 160.00 -- - - - - 120.00 80.00 \ 40.00 000 2 4 6 8 10 12 14 16 18 20 22 24 26 Hyd No. 13 Hyd No. 1 Hyd No. 2 Hyd No. 10 Time (hrs) Hyd No. 11 Hyd No. 12 Hydrograph Plot Hydraflow Hydrographs by Intelisolve Hyd. No. 14 SUBAREA 4,5,6,7,8,9 Hydrograph type = Combine Storm frequency = 100 yrs Inflow hyds. = 4, 5, 6, 7, 8, 9 Q (cfs) 320.00 280.00 240.00 200.00 160.00 120.00 SUBAREA 4,5,6,7,8,9 Hyd. No. 14 -- 100 Yr Friday, Mar 4 2005, 7:54 AM Peak discharge = 298.96 cfs Time interval = 6 min Hydrograph Volume = 1,399,857 cult Q (cfs) 320.00 280.00 240.00 200.00 160.00 120.00 80.00 I 80.00 40.00 40.00 0.00 0.00 0 2 4 6 8 10 12 14 16 18 20 22 24 26 Time (hrs) Hyd No. 14 Hyd No. 4 Hyd No. 5 Hyd No. 6 Hyd No. 7 Hyd No. 8 Hyd No. 9 Hydrograph Plot Hydraflow Hydrographs by Intelisolve Hyd. No. 15 SUBAREA 4,5,6,7,8,9 Hydrograph type = Reservoir Storm frequency = 100 yrs Inflow hyd. No. = 14 Reservoir name = 281 BASIN Storage Indication method used Q (cfs) 320.00 280.00 240.00 200.00 160.00 120.00 80.00 40.00 0.00 0 3 6 Hyd No. 15 SUBAREA 4,5,6,7,8,9 Hyd. No. 15 -- 100 Yr 9 12 Hyd No. 14 Friday, Mar 4 2005, 7:54 AM Peak discharge = 303.86 cfs Time interval = 6 min Max. Elevation = 1154.66 ft Max. Storage = 226,414 cuft Hydrograph Volume = 1,399,829 cuft 15 18 21 Q (cfs) 320.00 280.00 240.00 200.00 160.00 120.00 80.00 40.00 0.00 24 27 Time (hrs) Hydrograph Plot Hydraflow Hydrographs by Intelisolve Hyd. No. 16 ALL SUBAREA Hydrograph type = Combine Storm frequency = 100 yrs Inflow hyds. = 13, 15 Q (cfs) 560.00 480.00 400.00 320.00 240.00 160.00 :1 11 0.00 0 3 Hyd No. 16 ALL SUBAREA Hyd. No. 16 -- 100 Yr Friday, Mar 4 2005, 7:54 AM Peak discharge = 540.20 cfs Time interval = 6 min Hydrograph Volume = 3,151,799 cult Q (cfs) 560.00 400.00 320.00 240.00 160.00 0.00 6 9 12 15 18 21 24 27 Time (hrs) Hyd No. 13 Hyd No. 15 CHA- APPENDIX K POND REPORTS MAY 2005 RT. 281/RENAISSANCE/BELLE DRIVE Pond Report Hydraflow Hydrographs by Intelisolve Pond No. 1 - RENAISSANCE BASIN Pond Data Pond storage is based on known contour areas. Average end area method used. Stage / Storage Table Stage (ft) Elevation (ft) 0.00 1400.00 1.00 1401.00 2.00 1402.00 3.00 1403.00 4.00 1404.00 5.00 1405.00 6.00 1406.00 7.00 1407.00 8.00 1408.00 Culvert / Orifice Structures [AA] [B] Rise (in) = 18.00 0.00 Span (in) = 18.00 0.00 No. Barrels = 1 0 Invert El. (ft) = 1400.00 0.00 Length (ft) = 55.00 0.00 Slope (%) = 1.80 0.00 N-Value = .011 .000 Cirif. Coeff. = 0.60 0.00 Multi -Stage = n/a No Elev (ft) 1410.00 1408.00 1406.00 1404.00 1402.00 1400.00 Contour area (sqft) 00 2,400 8,200 15,600 18,000 21,700 24,700 27,200 31,500 [C] 0.00 0.00 0 0.00 0.00 0.00 .000 0.00 No [D] 0.00 0.00 0 0.00 0.00 0.00 .000 0.00 No Incr. Storage (cuft) Total storage (cuft) 0 0 1,200 1,200 5,300 6,500 11,900 18,400 16,800 35,200 19,850 55,050 23,200 78,250 25,950 104,200 29,350 133,550 Weir Structures Friday, Mar 11 2005, 9:38 AM [A►] [B] [C] [D] Crest Len (ft) = 30.00 0.00 0.00 0.00 Crest El. (ft) = 1406.00 0.00 0.00 0.00 Weir Coeff. = 2.65 0.00 0.00 0.00 Weir Type = Broad --- --- --- Multi-Stage = No No No No Exfiltration = 0.000 in/hr (Contour) Tailwater Elev. = 0.00 ft Note: Culvert/Orifice outflows have been analyzed under inlet and outlet control. Stage / Discharge Elev (ft) 1410.00 1408.00 1406.00 1404.00 1402.00 1400.00 0.00 20.00 40.00 60.00 80.00 100.00 120.00 140.00 160.00 180.00 200.00 220.00 240.00 260.00 Discharge (cfs) Total Q Culy A Weir A 0 • 1 • • • Hydraflow Hydrographs by Intelisolve Friday, Mar 11 2005, 9:38 AM Pond No. 1 - RENAISSANCE BASIN Pond Data Pond storage is based on known contour areas. Average end area method used. Stage / Storage Table Stage (ft) Elevation (ft) Contour area (sgft) Incr. Storage (cult) Total storage (cult) 0.00 1400.00 00 0 0 1.00 1401.00 2,400 1,200 1,200 2.00 1402.00 8,200 5,300 6,500 3.00 1403.00 15,600 11,900 18,400 4.00 1404.00 18,000 16,800 35,200 5.00 1405.00 21,700 19,850 55,050 6.00 1406.00 24,700 23,200 78,250 7.00 1407.00 27,200 25,950 104,200 8.00 1408.00 31,500 29,350 133,550 Culvert / Orifice Structures Weir Structures [A] [B] [C] [D] [A] [B] [C] [D] Rise (in) = 18.00 0.00 0.00 0.00 Crest Len (ft) = 30.00 0.00 0.00 0.00 Span (in) = 18.00 0.00 0.00 0.00 Crest El. (ft) = 1406.00 0.00 0.00 0.00 No. Barrels = 1 0 0 0 Weir Coeff. = 2.65 0.00 0.00 0.00 Invert El. (ft) = 1400.00 0.00 0.00 0.00 Weir Type = Broad --- --- --- Length (ft) = 55.00 0.00 0.00 0.00 Multi -Stage = No No No No Slope (%) = 1.80 0.00 0.00 0.00 N-Value = .011 .000 .000 .000 Orif. Coeff. = 0.60 0.00 0.00 0.00 Multi -Stage = n/a No No No Exfiltration = 0.000 in/hr (Contour) Tailwater Elev. = 0.00 It Note: Culvert/Orifice outflows have been analyzed under inlet and outlet control. Stage / Storage / Discharge Table Stage Storage Elevation Clv A Clv B Clv C Civ D Wr A Wr B Wr C Wr D Exfil Total ft cuft ft cfs cfs cfs cfs cfs cfs cfs cfs cfs cfs 0.00 0 1400.00 0.00 --- --- - 0.00 --- --- --- --- 0.00 1.00 1,200 1401.00 4.26 --- --- --- 0.00 --- --- --- --- 4.26 2.00 6,500 1402.00 9.51 --- --- --- 0.00 --- --- --- - 9.51 3.00 18,400 1403.00 12.76 --- --- - --- --- 0.00 --- --- 12.76 4.00 35,200 1404.00 15.34 --- --- --- 0.00 --- --- --- ___ 15.34 5.00 55,050 1405.00 17.54 --- --- - --- --- 0.00 --- --- 17.54 6.00 78,250 1406.00 19.49 --- --- --- 0.00 --- --- -- ___ 19.49 7.00 104,200 1407.00 21.27 --- --- -- --_ --- 79.50 --- --- 100.77 8.00 133,550 1408.00 22.91 --- --- --- 224.86 --- --- -- 247 77 Pond Report Hydraflow Hydrographs by Intelisolve Friday, Mar 11 2005, 9:39 AM Pond No. 2 - 281 BASIN Pond Data Pond storage is based on known contour areas. Average end area method used. Stage / Storage Table Stage (ft) Elevation (ft) Contour area (sqft) Incr. Storage (cult) Total storage (cult) 0.00 1150.00 00 0 0 1.00 1151.00 30,000 15,000 15,000 2.00 1152.00 40,000 35,000 50,000 3.00 1153.00 60,000 50,000 100,000 4.00 1154.00 80,000 70,000 170,000 5.00 1155.00 90,000 85,000 255,000 Culvert / Orifice Structures Weir Structures [A] [B] [C] [D] [A] [B] [C] [D] Rise (in) = 18.00 0.00 0.00 0.00 Crest Len (ft) = 200.00 0.00 0.00 0.00 Span (in) = 18.00 0.00 0.00 0.00 Crest El. (ft) = 1154.00 0.00 0.00 0.00 No. Barrels = 1 0 0 0 Weir Coeff. = 2.65 0.00 0.00 0.00 Invert El. (ft) = 1150.00 0.00 0.00 0.00 Weir Type = Broad --- --- --- Length (ft) = 50.00 0.00 0.00 0.00 Multi -Stage = No No No No Slope (%) = 1.00 0.00 0.00 0.00 N-Value = .013 .000 .000 .000 Orif. Coeff. = 0.60 0.00 0.00 0.00 Multi -Stage = n/a No No No Exfiltration = 0.000 in/hr (Contour) Tailwater Elev. = 0.00 ft Note: Culvert/Orifice outflows have been analyzed under inlet and outlet control. Elev (ft) 1156.00 1155.00 1154.00 1153.00 1152.00 1151.00 Stage / Discharge Elev (ft) 1156.00 - 1155.00 1154.00 1153.00 1152.00 1151.00 1150.00 I 1150.00 0.00 50.00 100.00 150.00 200.00 250.00 300.00 350.00 400.00 450.00 500.00 550.00 Discharge (cfs) Total Q Culy A Weir A Pond Report Hydraflow Hydrographs by Intelisolve Friday, Mar 11 2005, 9:39 AM Pond No. 2 - 281 BASIN Pond Data Pond storage is based on known contour areas. Average end area method used. Stage / Storage Table Stage (ft) Elevation (ft) Contour area (sqft) Incr. Storage (cult) Total storage (cuft) 0.00 1150.00 00 0 0 1.00 1151.00 30,000 15,000 15,000 2.00 1152.00 40,000 35,000 50,000 3.00 1153.00 60,000 50,000 100,000 4.00 1154.00 80,000 70,000 170,000 5.00 1155.00 90,000 85,000 255,000 Culvert / Orifice Structures Weir Structures [A] [B] [C] [D] [A] [B] [C] [D] Rise (in) = 18.00 0.00 0.00 0.00 Crest Len (ft) = 200.00 0.00 0.00 0.00 Span (in) = 18.00 0.00 0.00 0.00 Crest El. (ft) = 1154.00 0.00 0.00 0.00 No. Barrels = 1 0 0 0 Weir Coeff. = 2.65 0.00 0.00 0.00 Invert El. (ft) = 1150.00 0.00 0.00 0.00 Weir Type = Broad --- --- --- Length (ft) = 50.00 0.00 0.00 0.00 Multi -Stage = No No No No Slope (%) = 1.00 0.00 0.00 0.00 N-Value = .013 .000 .000 .000 Orif. Coeff. = 0.60 0.00 0.00 0.00 Multi -Stage = n/a No No No Exfiltration = 0.000 in/hr (Contour) Tailwater Elev. = 0.00 ft Note: Culvert/Orifice outflows have been analyzed under inlet and outlet control. Stage / Storage / Discharge Table Stage Storage Elevation Clv A Clv B Clv C Clv D Wr A Wr B Wr C Wr D Exfil Total ft cuft ft cfs cfs cfs cfs cfs cfs cfs cfs cfs cfs 0.00 0 1150.00 0.00 --- - - --- 0.00 --- --- --- --- 0.00 1.00 15,000 1151.00 4.26 --- --- --- 0.00 --- --- --- --- 4.26 2.00 50,000 1152.00 9.15 --- --- --- 0.00 --- --- --- 9.15 3.00 100,000 1153.00 12.76 --- --- --- 0.00 --- --- --- --- 12.76 4.00 170,000 1154.00 15.34 --- --- --- 0.00 --- --- --- --- 15.34 5.00 255,000 1155.00 17.54 --- --- --- 530.00 --- --- - --- 547.54 CHA - APPENDIX L COST ESTIMATES RT. 281/RENAISSANCE/BELLE DRIVE MAY 2005 RT. 281/RENAISSANCE DRAINAGE CilAF&IS Town of Cortlandville, Cortland County, New York CLOUGH HARBOUR& ASSOCIATES LLP Construction Cost Estimate By: P.B.Y. Date: MAY 2005 Description OPTION #1 Mobilization & Establishing Access Erosion control Cap and fill exsitng culvert under Bell Drive Turf reinforcement fabric at pipe outlet/inlet Turf establish fabric over pipe 24" HDPE watertight joint pipe 4' dia manhole/catch basin Asphalt pavement restoration Tree replacement Maintenance & Protectin of Traffic Finished grading/topsoil/seeding Quantity I Unit I Unit Cost Total Cost 450LF OF 24" HDPE UNDER BELL DRIVE 1 LS 25000.00 25,000 1 LS 3000.00 3,000 25 CY 120.00 3,000 100 SY 3.00 300 900 SY 3.00 2,700 450 LF 60.00 27,000 3 EA 4000.00 12,000 60 SY 30.00 1,800 10 EA 300.00 3,000 1 LS 7500.00 7,500 1,000 SY 12.00 12,000 Subtotal $97,300 Contingency (25%) $24,325 Inspection (15%) $14,595 Grand Total $136,220 Description OPTION #2 Mobilization & Establishing Access Erosion control Cap and fill exsitng culvert under Bell Drive Turf reinforcement fabric at pipe outlet/inlet Turf establish fabric over pipe 24" HDPE watertight joint pipe 4' dia manhole/catch basin Asphalt pavement restoration _Tree replacement Maintenance & Protection of Traffic Finished grading/topsoil/seeding Description OPTION #3 Mobilization & Establishing Access Erosion control Cap and fill exsitng culvert under Bell Drive Turf reinforcement fabric at pipe outlet/inlet Turf establish fabric over pipe 24" HDPE watertight joint pipe 4' dia manhole/catch basin Asphalt pavement restoration _Tree replacement _Maintenance & Protection of Traffic Finished grading/topsoil/seeding Quantity ( Unit Unit Cost Total Cost 590LF OF 24" HDPE UNDER BELL DRIVE 1 LS 25000.00 25,000 1 LS 3000.00 3,000 25 CY 120.00 3,000 100 SY 3.00 300 1,300 SY 3.00 3,900 590 LF 60.00 35,400 4 EA 4000.00 16,000 60 SY 30.00 1,800 10 EA 300.00 3,000 1 LS 7500.00 7,500 1,400 SY 12.00 16,800 Subtotal $115,700 Contingency (25%) $28,925 Inspection (15%) $17,355 Grand Total $161,980 Quantity Unit ( Unit Cost Total Cost 121OLF OF 24" HDPE UNDER BELL DRIVE 1 LS 25000.00 25,000 1 LS 5000.00 5,000 25 CY 120.00 3,000 100 SY 3.00 300 2,600 SY 3.00 7,800 590 LF 60.00 35,400 5 EA 5000.00 25,000 60 SY 30.00 1,800 5 EA 300.00 1,500 1 LS 7500.00 7,500 2,700 SY 40.00 108,000 Subtotal $220,300 Contingency (25%) $55,075 Inspection (15%) $33,045 Grand Total $308,420 Description OPTION #4 Mobilization & Establishing Access _Erosion control _Cap and fill exsitng culvert under Bell Drive _Turf reinforcement fabric at pipe outlet/inlet _Turf establish fabric over pipe 24" HDPE watertight joint pipe 4' dia manhole/catch basin Tree replacement Maintenance & Protection of Traffic Finished grading/topsoil/seeding Quantity I Unit I Unit Cost I Total Cost 1770LF OF 24" HDPE ALONG NORTH SIDE OF BELL DR 1 LS 25000.00 25,000 1 LS 7500.00 7,500 25 CY 120.00 3,000 100 SY 3.00 300 3,800 SY 3.00 11,400 1,770 LF 60.00 106,200 7 EA 5000.00 35,000 5 EA 300.00 1,500 1 LS 7500.00 7,500 3,900 SY 40.00 156,000 Subtotal $353,400 Contingency (25%) $88,350 Inspection (15%) $53,010 Grand Total $494,760