HomeMy WebLinkAbout22 14 00CORNELL DIVISION 22 - PLUMB ING
Ithaca, New York SECTION 22 14 00 - INTERIOR STORM DRAINAGE SYSTEM
CLARA DICKSON HALL INTERIOR STORM DRAINAGE SYSTEM 22 14 00 - 1
WASTE & STORM LINE REPLACEMENT DECEMBER 31, 2014
SECTION 22 14 00 INTERIOR STORM DRAINAGE SYSTEM
1.0 GENERAL
1.1 RELATED DOCUMENTS
A.The Contract Drawings and the General Provisions of the Contract, including the General
Conditions of the Contract for Construction, Supplementary Conditions, Special Conditions and
Division 1 Specification Sections, apply to the work of this Section.
B.The Work of Section 22 05 00 - Plumbing Basic Materials and Methods applies to the Work of
this Section.
1.2 WORK INCLUDED
A.Provide a complete, operating, tested, functioning, documented Storm Water Drainage System
including all Work shown, specified, or required for proper system operation.
1.3 SUBMITTALS
A.Submit the following storm drainage system components:
1.Pipe an d fitt ings
2.Coupli ngs
3.Push-on gaskets, sealant
2.0 PRODUCTS
2.1 PIPE AND FITTINGS
A.Indoors:
1.Refer to Specification Section 22 05 00 - Plumbing Basic Materials and Methods.
2.Refer to “P” Drawings for equipment schedules.
2.2 COUPLINGS FOR NO-HUB PIPE
A.Description: A heavy duty 24 gauge type 304 stainless steel shield and d" slot head 304 stainless
steel screws. All other component metal parts shall be 304 stainless steel. The coupling sealing
gasket shall be made of Neoprene as the sole elasto mer. A cast-iron coupling may be used. Do
not use underground.
B.Make: Charlotte heavy duty HD-1, or heavy duty “Husky” by Anaheim Co., Cast-iron Coupling
by M.G.
CORNELL DIVISION 22 - PLUMB ING
Ithaca, New York SECTION 22 14 00 - INTERIOR STORM DRAINAGE SYSTEM
CLARA DICKSON HALL INTERIOR STORM DRAINAGE SYSTEM 22 14 00 - 2
WASTE & STORM LINE REPLACEMENT DECEMBER 31, 2014
3.0 EXECUTION
3.1 INSTALLATION
A.Survey: Before beginning the installation of drainage piping, survey the route and check for
interferences.
3.2 GENERAL PIPING INSTALLATION
A.Install piping approximately as indicated, straight, plumb and as directly as possible.
B.Keep all piping as high as possible.
C.Do not install piping across windows or doors.
D.Install exposed risers as close to wall as possible (without cutting escutcheons).
E.Concea led Pip ing:
1.Conceal all piping in finished rooms unless otherwise noted.
2.Install pipe in time for tests and/or approvals.
3.Expose fixture branches only as much as is necessary for final connections.
4.Install pipe in furred spaces so that minimum furring will be required.
F.Provide drainage piping of sizes noted or as required for equipment requiring drains.
G.Use proper adapters between dissimilar pipes. These shall be manufactured products designed for
the purpose.
H.Use full length of pipe wherever possible.
I.Ream and file ends of pipe before installation to remove all burrs. Remove all metal chips and
filings.
J.Do not use bent pipe.
K.Use only strap wrenches or other non-marring tool on chrome plated, brass or copper pipe and
fittings. Replace marred pipe and fittings.
L.Arrows shown on pipelines on Drawings indicate the direction of flow within the pipeline.
3.3 ROOF DRAIN INSTALLATION
A.Units shall be installed in strict accordance with the manufacturer’s written instructions. Install
where indicated on the Plans.
B.Unit installation shall be fully coordinated with others.
CORNELL DIVISION 22 - PLUMB ING
Ithaca, New York SECTION 22 14 00 - INTERIOR STORM DRAINAGE SYSTEM
CLARA DICKSON HALL INTERIOR STORM DRAINAGE SYSTEM 22 14 00 - 3
WASTE & STORM LINE REPLACEMENT DECEMBER 31, 2014
C.Be fully responsible for the water tightness of the installation.
3.4 NO-HUB PIPE INSTALLATION
A.Use heavy duty couplings as specified following manufacturer’s recommended torquing in inch-
pounds.
3.5 PROTECTION
A.Protect all pipe and equipment openings during construction with temporary plugs, caps or
burlap.
3.6 TURNS AND OFFSETS
A.Turns:
1.From vertical to horizontal:
a.Less than 3": Use long sweep or extra-long turn el bow.
b.3" and larger: Use short sweep or 90° short turn fittings.
2.From horizontal to vertical: Use quarter bends or 90° short turn fittings.
3.Horizontal piping: Use 45° wyes, long sweeps; 1/4, 1/6, 1/8, and 1/16 bends or any
combination of same.
4.For vents in any direction; Use quarter bends or 90° short turn fittings.
B.Offsets:
1.Make offsets at no less than 45° angle to the horizontal in the following cases:
a.Offsets in stack vent portion of soil and waste stacks (above the highest fixture
drainage connection).
b.Offset in vent stacks.
3.7 DRAIN AND SEWER GRADES
A.Pitch storm drains down in the direction of flow without sags or pockets. Grade at c" per foot
minimum for lines 4" and larger, ¼" per foot for lines 3" and smaller.
B.Tolerance: Pipe deviating more than 1" in alignment grade or invert elevation must be replaced.
C.Survey: Before beginning installation of drainage piping, survey the route and check for
interferences, either from the other pipe lines or from the structure or work of other crafts.
CORNELL DIVISION 22 - PLUMB ING
Ithaca, New York SECTION 22 14 00 - INTERIOR STORM DRAINAGE SYSTEM
CLARA DICKSON HALL INTERIOR STORM DRAINAGE SYSTEM 22 14 00 - 4
WASTE & STORM LINE REPLACEMENT DECEMBER 31, 2014
3.8 INSPECTION AND TEST
A.New drainage piping shall be subjected to a static pressure test.
1.Block all openings below the highest roof terminal.
2.Fill system with water to highest roof terminal.
3.System shall be drop tight for period of two (2) hours.
B.When test reveals that a line has faulty joints, joints that have leaked shall be remade and the
system shall be retested. There shall be no drop in pressure for a minimum of four (4) hours.
C.Prepare a report of test and required corrective action and submit to Engineer.
3.9 CLEANOUTS
A.Cleanouts shall be installed as follows:
1.At each bend exc eedin g an angle gr eater than 45 °.
2.At the bottom of stacks.
3.At 50 foo t inte rvals max imum in hori zontal runs of piping 4 " and smaller.
4.At 100 fo ot int ervals maximum in hor izonta l runs o f pipi ng 5" and larger.
5.Where buildi ng drain leaves t he buil ding.
B.Cleanouts shall be same size as pipe on which they are installed up to a maximum of 4".
C.Cleanouts shall be installed so as to be accessible.
***END OF SECTION 22 14 00***