HomeMy WebLinkAbout1970 Rules, Regulations and Penalties Regarding Water Supply Sewage Disposal and Air Conditioning RULES, REGULATIONS AND PENALTIES
of
The Board of Public Works
CITY OF ITHACA, N. Y.
Regarding Water Supply
Sewage Disposal and
Air Conditioning
Specifications For
The Construction of Water And Sewer Mains
Connecting To The Water And Sewer Systems
Of The City Of Ithaca, N. Y.
Passed January 28, 1970
.
Effective February 1, 1970
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a
RULES, REGULATIONS, AND PENALTIES OF THE BOARD OF PUBLIC WORKS,
CITY OF ITHACA, N. Y. REGARDING WATER SUPPLY,
SEWAGE DISPOSAL AND AIR CONDITIONING
Passed January 28, 1970
Effective February 1, 1970
I. General
1. Rules,Part of Contract 4. Application of Revenues
The following rules shall he considered as part of the All revenues derived from water and sewer service and
contract between the City of Ithaca and every person who operation of the system shall he applied towards the pay-
takes water supplied by the City of Ithaca and/or whose ment of the cost of operation and maintenance of plant
premises is connected to or ultimately discharges to the and equipment, extensions and improvements, the pay-
City Sanitary Sewer System and every person using these ment of the principal and interest, obligations on the out-
utilities shall be bound thereby, and whenever anyone of standing water and sewer bonds and the creation of a
the said rules is violated, the right is reserved to cut off reserve for extraordinary replacements,extension and im-
the water and/or sewer service with due notice. provements of the water supply and sewer systems.
2. Applications for Water and Sewer and Responsibil- 5. Service and Consumption Rates and Payments and
ity for Service and Consumption Charges Special Fees and Charges and Hydrant Services
All applications for the introduction or supply of water The Board shall from time to time determine and fix
and/or Sewer into any premises, or for the extension of the rates for water service connection and consumption,
any pipe for the conveyance of water or sewage must be sewer rental fees, special fees and charges for hydrant
made in writing by the owner of the premises, or his duly service and shall establish such zones and periods of pay
authorized agent, on forms provided for that purpose at ment as may be desirable.
the office of the City Chamberlain. Separate buildings re- All such rates and terms of payment shall constitute a
quiring separate meters will also require separate services part of the Rules and Regulations of the Board relating to
even if they are on the same premises. If more than one water service as though fully set forth herein and shall he
service is desired for the same premises a separate appli- on file in the office of the City Chamberlain.
cation shall be made for each service. The owner of such
premises shall be held responsible and liable for all 6. Changing Rules and Rates
charges for such service and water consumption and sewer The Board reserves the right to change by resolution
rental charges to said premises to be collected, in case of
default of payment, in the manner provided by the rules from time to time, the Rules and Regulations relating to
and regulations or the provision of the City Charter relat- the Water Supply and Sewer System and the rates for
ing thereto. However, when water and/or sewer service the use of water and sewer.
is desired for premises in areas outside the City limits
where contracts are made with the City to supply the areas 7. Rates for Service Outside the City Limits
with water and sewer disposal, all applications must be
approved by the Board of Public Works or designated The Board shall determine and fix rates for water and
representative before application may be accepted at the sewer service and consumption outside the City limits and
office of the City Chamberlain. for service taps, repairs, etc., and for hydrant service for
fire protection which shall be included in the established
3. Independent Service Pipes schedule of rates on file in the office of the City Chamber-
lain and the collection of any charges for such service
Each building or other premises shall be provided with shall be as provided in Section 8.
a separate and independent water and sewer service from
the main, provided however that a group of buildings 8. Owner of Property Liable for Charges
under the same tenant occupancy, use and exclusive con-
trol may be served by a single principal water and sewer All water rents, sewer rental fees, accounts or other
service upon permission and terms granted by the Board. charges relating to water and sewer service, shall be a
Where two or more branch water service lines from the charge against the owner or agent of the premises con-
main service pipe are used for separate tenants in the nected with the City Water and/or sewer mains and such
same premises, each branch shall be provided by the owner or agent shall be held responsible for all such ac-
owner with proper fittings for separate and independent counts and charges.
meter installations in the respective branches and each In default of payment of any such charges within sixty
such branch shall be provided with a compression stop days after becoming due,the water and/or service may be
and waste cock ahead of the meter. cut off such premises without further notice. Any service
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and consumption charge shall be a lien upon the premises The Inspector shall have the right to enter any place
served and shall be collectible as provided by Section 128 which is connected with the public sewer system for the
of the City Charter. purposes of inspection and to ascertain that such connec-
tion is properly installed and that no improper material
is discharged into the sewer.
9. Plumbing in Existing Buildings The Inspector must at all reasonable hours have free
Any building that is to be served by the City water access to all parts of the premises to which water is de-
and/or sewer systems must have its plumbing checked by livered for the purpose of inspection, examination of fix-
tures, etc., and all persons using water must, at all times,
the City Plumbing Inspector and the plumbing brought
up to comply with the City Plumbing Code in a manner frankly and without concealment, answer all questions put
suitable to the City Plumbing Inspector. to them relating.to its consumption.
10. Fees for Service and Equipment Rental 13. Easement Through Private Property
For all work done by City forces at a property owner's In case the proposed water line, drain or sewer passes
through premises other than those making connection with
expense, see list of current prices and fees posted at the the water and/or sewer, no connection will be made until
Water Bldg., 510 First St. a deed of easement, satisfactory to the Board of Public
In no case will any equipment be rented without an Works, shall have been secured and filed in the office of
operator. the City Clerk.
11. Inspector 1¢. Licenses and Permits
Inspector, hereinafter named, is a person duly author- Any plumber licensed to do business in the City of
ized by the Board of Public Works. Ithaca or any other certified by the Examining Board of
Plumbers, or any homeowner working on his own single
12. Inspection, Approval and Record family residence, wishing to engage in the repair of serv-
ice pipes, or laying new services connected to the City
All materials and work shall be subject to the approval water or sewer systems, must obtain a Water and/or
of the Inspector. No work shall be covered until such in- Sewer Permit from the Water and Sewer Division, at the
spection and approval shall have been made. Water Building, 510 First Street, prior to each job. No
All inspections shall be promptly recorded by the In- charge will be made for this permit.
spector in the Water and Sewer permit book and he shall A violation of the following rules relating to service in-
furnish the City Engineer with a correct plan of such stallation, etc., by any licensed person, or his agent or
sewer line installed and he in turn shall record such plans employee, shall constitute sufficient ground for cancella-
on the sewer maps. tion or withdrawal of such person's license.
H. Water
15. Installations of Dater Mains 17. Owner or Tenant Prohibited from Supplying Others
Except where water mains cross bridges, and except No owner or tenant of any premises supplied with water
when variations are specifically approved by the Board, from the City mains shall be permitted to furnish water to
all water mains connecting with the City Water System other consumers, and no multiple consumer service shall
must be cast iron hub and spigot pipe meeting the specifi- be permitted in the same premises except as provided in
cations of the American Water Works Association, and Rule 3.
installed with leaded joints. All proposed plans and speci-
fications for water mains must be approved by the Board
of Public Works and installed under the supervision and 18. Installation and Maintenance of Water Service Pipes
inspection of the Water and Sewer Division of the Depart-
ment of Public Works. The installation of all service pipes between the water
main and curb box shall be at the expense of the owner
16. Cross Connections Prohibited of the premises served; except that when a service pipe of
Type K soft copper or other such material as may here-
No person,firm or corporation shall install or permit to after be approved as permanent, shall have been installed
be installed any cross connection whether permanent or at the expense of the owner, such installation between
temporary between the City Water System and any other main and curb box,shall be considered to be a part of the
source or supply of water. City Water System and shall be so maintained.
Upon discovery of violation of this rule by any person, In the event, however, that larger or different service
firm or corporation,the City water service to such person, is requested by the owner, or required by reason of the
firm or corporation shall forthwith be disconnected and use of the property served,such larger or different service
remain disconnected until this rule is complied with. shall be installed at the expense of the owner.
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All installations of service pipes between the main and marked thereon and so exposed as to be readily found;
curb box in the City shall be made only by the Water and the whole to be subject to the approval of the Water and
Sewer Division of the Department of Public Works. Sewer Division.
All abandoned service pipes shall be shut off at the (d) Service Materials and Sizes—All water service
main at the expense of the owner. sizes shall be determined by consultation with the Water
All installations between the curb box and the meter and Sewer Division and shall be governed by their
must be made by a duly licensed plumber, or by a home- recommendation.
owner working on his own single family residence. A minimum of 3/4" diameter for house service will be
Whenever leaks occur in the service pipes at any point used.
between the main and the meter, they must be repaired For services of 3/4" to 1" diameter, Type K soft copper
immediately by the owner or agent of the premises in ac- water tubing is required.
cordance with the previous paragraphs of this Section. If For services of 11/4"to 2"diameter,Type K soft copper
repairs are not made within fifteen days after notice of tubing or cold drawn, semi-annealed seamless red brass
such leaks the Board may shut off the water until such pipe or 2"cement-lined, Mechanical Joint, Cast Iron pipe,
repairs are made. meeting AWWA specifications may be used.
The Board reserves the right to repair any leaking serv- For services of over 2" diameter, minimum of 4" diam-
ice pipe without notice and charge the expense thereof eter cast iron hub and spigot water pipe meeting Ameri-
against the owner of the premises to be collected in the can Water Works Association specifications shall be used
manner provided by the Rules and Regulations or the pro- and shall join the main with a tapping sleeve and valve to
visions of the City Charter relating thereto. be installed by the Water and Sewer Division at the ex-
All lateral or service pipes for public or private use and pense of the property owner.
all necessary fixtures connected therewith shall be subject (e) Joints and Fittings—Where Type K soft copper
to the approval, and laid under the supervision of the water tubing is used, heavy brass fittings as approved by
Water and Sewer Division. Said pipes,etc., should be laid the American Water Works Association shall be used.
not less than four (4) feet deep and must be kept in good Where cold drawn semi-annealed seamless red brass
repair and protected from the frost by and at the expense
of the owner of the premises, as outlined previously in pipe is used, extra heavy red brass fittings having stand-
of and iron pipe threading shall be used.
this Section.
Where Cast Iron pipe 4" or larger is used, all fittings
All tapping of the street mains will be made by the
Wmust be hub and spigot and shall meet specifications of
Water and Sewer Div. for which the applicant must pay
the City at the time of making application such fees there- the American Water Works Association.
for as shall be determined from time to time by the Board. Except in cases of emergency and to be consistent with
In all cases an approved stopcock with well and cover the normal length of pipe sections, no joints will be al-
shall be put in at the curb or outer edge of the walk and lowed under the street pavement area between the corpo-
such curb box shall be set and kept visible and flush with ration stop connection and the curb stop connection. All
the grade and put as near as practicable to the curb,at the services 2" and under shall be connected to the main with
property owner's expense. a corporation stop tapped directly into the main, or
tapped through a tapping saddle.
19. Specific Rules in Relation to Installation and Main- All curb shut-offs on copper and brass services will be
tenance of Service Pipes, Tapping Mains, Connec- of the inverted, ground key, round-way type. Curb shut-
tions, etc. offs on Cast Iron services will be AWWA approved Gate
Valves.
(a) Tapping Mains—All tapping of the City water Curb and valve boxes and manholes providing access
mains will be done by the Water & Sewer Div. and no to shut-offs shall be City of Ithaca standard.
other person will be allowed to make such taps. The tap-
ping will be done at the expense of the applicant and the (f) Stop and Waste Cock—A compression stop and
fee therefor fixed by the Board shall be paid in advance. waste cock must be located inside the building as near
(b) NoticeInlocations where the City forces do not as practicable to the wall where the service pipe enters
dig the street or road for services, notice must be left at and the pipe so arranged that the water can be drawn
the office of the Water and Sewer Division on the day pre- from them whenever there is danger of freezing.
vious to the one on which the tapping will be required, (g) By-Passes and Valves—By-passes and the speci-
stating the hour when the street will be open at the main fied valves shall be provided in connection with large
and ready for tapping, giving the street number of the meters, as described in connection with the rules relating
location and the name of the person owning or occupying to meters and their installation.
the premises. In case the trench is not ready for tapping (h) Notice of Completion of Work—After comple-
the main at the time specified, an extra charge will be tion of installation and connection all services shall be
made for overtime or lost time as provided in the rates shut off at the curb box and disconnected inside and
and fees fixed by the Board. notice of such completion shall be filed in the office of
(c) Depth of Pipe—The service pipe must be laid not the City Chamberlain on forms provided therefor.
less than four (4) feet below the surface of the street and (i) Turning on Water—After completion of the work
in such manner as to prevent rupture by settling, and and disconnection as provided in Subdiv. (h) no person
must be provided with a stop-cock at the curb line in all shall turn on the water until application by the owner of
cases, protected by an iron box leading from the same to the premises has been filed in the office of the City Cham-
the surface, with an iron cover with the word "water" berlain.
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20. Replacing Service Pipes In case of any changes or additions in piping for the
use or distribution of water which is not accounted for
Any service in which any other variety of pipe shall by the meter, a proper charge for such unmetered water
be placed than that specified in the Specific Rules, or shall be made and in default ofrom t
where opportunity is neglected to replace wrought iron or Payment thereof,
steel pipe with such pipe as specified, the Board reserves on notice by the City Chamberlain
P lain the water shall be
the right to have the water shut off from said premises shut off from the premises.
until such pipe has been installed in accordance with the Where the place provided for installing a meter is un-
rules. suitable, the Water and Sewer Division may require such
changes as are necessary to locate the meter in a suitable
21. Stand Pipes and Automatic Sprinklers Place, and the expense thereof, shall be charged to the
owner of the premises.
Stand pipes or pipes for automatic suppression of fires Every meter shall be provided with a compression
in buildings, which fixtures are intended only for such stop-cock on each side and on all meters over one inch
use, will be permitted to be attached to the City Water a suitable by-pass with valves on each side of it and a
Supply system, and no charge will be made for the use locked valve on the by-pass shall be provided, which in.
of water for such purposes. All such pipes must be pro- stallation of by-pass and valve shall meet with the ap.
vided with a suitable valve outside of the building and proval of the Water and Sewer Division.
which shall be under the exclusive control of the Board. The Board reserves the right to attach or detach meters
Also, in the case of standpipes a valve must be provided at any time whenever they shall deem it expedient, and
placed at the bottom of the standpipe and at each hose charge for the quantity of water measured or used. All
opening, which valve shall be sealed by the Water and water passing through a meter will be charged for,
Sewer Division. In case such seals shall be broken for whether used or wasted.
the extinguishment of any fire, the party breaking the In those locations where the property owner or tenant
seal shall immediately thereafter notify the Water and
Sewer Division and the valve shall be resealed. Persists in being uncooperative in making provisions for
regular meter readings, a remote reading register will be
22. Protection from Freezing installed,at the property owners expense.All new installa.
tions will be provided with a remote reading register
Service pipes and meters in buildings shall be located mounted on the outside of each building being metered.
in the parts thereof protected from frost but consistent Service pipes must be located accordingly.
with the need for access to the meter and the installation
of the remote reading device.
In all cases where the service pipe passes through areas 24. Vacant Premises
of basements,having windows, gratings, or traps open to The owner or agent of vacated premises must give
the weather, the openings shall be closely covered and notice in writing at the office of the City Chamberlain
the windows and doors closed to the outside air during that the water may be shut off, and the owner will be held
the cold weather. In all exposed situations the service responsible for all water consumed or meter damages in.
pipes and fixtures shall be protected at the expense of curred until such notice is given.
owner and in case he neglects to protect his service as
aforesaid, the Board may cut off the water therefrom. It In any case where the meter has to be removed, except
for temporary repairs, the service must be shut off at
shall be the duty of the plumber to protect from frost all
work done by him. He will not be released from the re- the curb stop. If the curb stop can not be operated from
sponsibility by having the owner of the premises or others the ground surface, it must be dug and repaired at the
do the work for him. property owner's expense.
23. Meters
25. Hydrants
All services shall be metered, except as provided under
Section 28. No person shall open, use, draw water from or in any
Meters will not be placed in coal bins or situations not matter interfere with any hydrant"in the City of Ithaca
easily accessible to the meter inspector. without authority from the Water and Sewer Division.
This prohibition shall not apply to firemen in the pursuit
Meters must be accessible to the Water and Sewer of their duties. No person shall break, deface, injure,
Division employees at all reasonable hours. remove or in any manner tamper with any hydrant or any
After meter is attached any damage which said meter part thereof, and no person shall open any hydrant with
may sustain from freezing or from hot water being forced any wrench other than standard hydrant wrench.
back through the meter or from any external cause, will No person shall erect or plant any obstruction within
be repaired by the Water and Sewer Division and the cost 31/2 feet of any hydrant or cause any obstruction that
thereof charged to the owner or agent. will in any way hinder a Fire Company from hooking
If meters need attention the Water and Sewer Division onto it, or operating any hydrant. No obstruction shall
must be notified at once. No person other than Water and be placed so as to obstruct the view of any hydrant for
Sewer Division employees shall be allowed to remove a distance of at least two hundred (200) feet up and
meters for repairs or for any other purpose. down the street.
All persons are forbidden to break meter seals, dis- No person shall paint or in any way change the color
connect or in any way tamper with meters after they have from the standard orange color used by the Water Depart-
been installed on the premises. ment in painting hydrants.
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26. Fraud, Misrepresentation, Waste and Abuses, Vi- and the Board shall not be held liable under any circum•
olation of Rules and Penalties stances for a deficiency or failure to supply water,whether
occasioned by shutting off water to make repairs, con-
In case of fraud, misrepresentation on the part of the nections, extension or any other cause whatsoever.
applicant, abuses in the use of water, violations of any
of the Rules and Regulations relating thereto, or non-
payment of rates and charges when due, in addition to 28. Water for Building Construction
the penalties specifically provided by the Rules and Reg- The Board shall determine and fix the rates for water to
ulations, the City Charter or Ordinances; the water may be used for building or construction or repairs,the volume
be cut off without notice,and the water will not be turned of water to be estimated upon the basis of the amount re-
on again unless satisfactory assurance shall be given that quired per unit of the square area or cubic content for the
no further cause of complaint shall arise and the payment various classes of construction involved. Such estimated
of such fees as the Board may prescribe. schedule charge for such service,shall be paid in advance.
In lieu of a schedule charge for such service, a meter may
27. Deficient Water Supply be installed in which case a deposit shall be required as
security against damage to such meter, any surplus
` The Board reserves the right to shut off the water for thereof to be applied towards the consumption charges.
alterations, extension and repairs and to stop or restrict See list of,current prices and fees posted at the Water
the supply of water whenever it may be found necessary, Bldg., 510 First St.
III. Sewers
i 29. Installation of Sewer Mains (f) Whenever leaks or breaks occur in the service
pipes or private sewers between the main and the building
Except when variations are specifically approved by
the Board, all sewer mains will be 8" cement-asbestos. served, they must be repaired immediately by the owner
or agent of the premises in accordance with the previous
All sewer mains shall be laid according to the "Speci- paragraph of this Section. If repairs are not made within
fications for the Construction of Sanitary Sewers Con- fifteen days after notice of such leak or break the Board
necting to the Sewerage System of the City of Ithaca, may shut off the water until such repairs are made.
N. Y.," copies of which are obtainable at the City En-
(g) The Board reserves the right to repair any leaking
gineer's office or the Superintendent of the Water and service pipe without notice and charge the expense thereof
Sewer Division of the Department of Public Works. against the owner of the premises to be collected in the
All proposed plans and specifications for sewer mains manner provided by the Rules and Regulations or the
must be approved by the Board of Public Works and provisions of the City Charter relating thereto.
installed under the supervision and inspection of the (h) All lateral or service pipes for public or private
Water and Sewer Division of the Department of Public use, and all necessary fixtures connected therewith shall
Works. be subject to the approval, and laid under the super-
30. Installation and Maintenance of Sanitary Sewer vision of the Water and Sewer Divisions.
Services (i) All Wyes cut into the sewer main will be done by
the Water& Sewer Div. for which the applicant must pay
(a) The installation of all drains or sewers between the City at the time of making application such fees ther-
the sewer main and curb or curb line shall be at the fore as shall be determined from time to time by the
expense of the owner of the premises served; except that Board.
when a service drain or sewer of cast iron, or such other
material as may hereafter be approved as permanent,shall
have been installed at the expense of the owner, such in- 31. Specific Rules Regarding Installation and Main-
stallation between main and curb, shall be considered a tenance of Service Pipes
part of the City Sewer Systems and shall be so maintained. (a) Materials Used—All sanitary sewers (laterals)
(b) In the event, however, that a larger or different from back of the curb line to the sewer main in the street
service is requested by the owner, or required by reason must be of 4" extra heavy cast iron hub and spigot pipe
of the use of the property served, such larger or different or Class 2400 cement asbestos pipe in 5' lengths and such
service shall be installed at the expense of the owner. quality as required by the Inspector. No quarter bends or
(c) All installations of service, drains or sewers be- tees shall be used. All such pipe shall be installed by the
tween the main and the curb in the City shall be made Water and Sewer Division inside the City and by a duly
only by the Water and Sewer Division of the Department licensed plumber or Sewer Layer outside the City.
of Public Works. All sanitary sewer laterals from the curb line to the
(d) All abandoned service pipes shall be shut off at building must be either 4" extra heavy cast iron hub and
the main at the expense of the owner. spigot pipe or cement asbestos house connection pipe to
(e) All installations of service drains or sewers be. be laid in nominal 5' lengths (4" for single to four family
tween the curb and the building shall be made by a houses and 6" for five family houses and up).
plumber or sewer layer licensed by the Examining Board (b) Grade of Sewer Laterals—All sanitary sewer
of Plumbers or, any homeowner working on his own laterals must be laid with a fall of not less than 1/,S" to
single family residence. the foot, unless otherwise permitted by the inspector, and
must be laid true to the line and grade given by the In. stance, which either singly or by interaction with other
spector, and must be properly bedded and tamped. wastes,is capable of creating a public nuisance or hazard
(c) Cast Iron Sewer Pipe Joints—A jute gasket large to life or of preventing entry into sewers for their main-
enough to hold the spigot end of the pipe in the center tenance and repair.
of the hub must be rammed into each joint with an iron (f) Any garbage that has not been properly com•
hammer. The joints must then be poured and filled with minuted or triturated.
melted virgin lead and calked so as to form a neat, even (g) Any ashes, cinders, sand, mud, straw, shavings,
and watertight joint. metal, glass, rags, feathers, tar, plastics, wood, paunch
The cement-asbestos joint shall be of the rubber ring manure, hair and fleshings, entrails, lime slurry, lime
type joint. residues, beer or distillery slops, chemical residues, paint
(d) Sewer Pipe, Where Laid—Sewer pipes must not residues, cannery waste bulk solids, or any other solid or
be laid in filled ground where there is a possibility of viscous substance capable of causing obstruction to the
settling. If any other pipe or conduit is to be crossed by flow of the sewers, or other interference with the proper
a sewer or lateral the matter of adjustment shall be re- operation of the sewage system.
ferred to the Inspector. (h) Any waters or wastes, acid or alkaline in reaction,
(e) Grease and Silt Traps—Grease traps must be in- having corrosive properties capable of causing damage
stalled and settling tanks at such locations in fixtures con- or hazard to structures, equipment and personnel of the
netted with the sewer system as it may become necessary sewage system. Free acids and alkalies must be neutra-
to prevent the accumulation of grease in the sewer main. lized, at all times, within a permissible pH range of 5.5
A 50 gallon silt trap must be installed in each stall of a car to 9.5.
wash or gas station and a 500 gallon baffled settling tank (i) Any cyanides, in excess of 2 parts per million by
must be installed for up to 8 stalls, and for each 8 there- weight as CN.
after.These settling tanks and silt traps must be accessible (j) Any radioactive wastes or isotopes of such half-life
for inspection and cleaning. or concentration as may exceed limits established in com-
(f) Whenever a sewer lateral has to he replaced or pliance with State or Federal Regulations.
enlarged it is to be replaced according to Section 31 (a),
at the expense of the property owner. (k) Any waters or wastes that for a duration of 15
minutes has a concentration greater than 5 times that of
(g) In all new sewer services and whenever an old '°normal" sewage as measured by suspended solids and
service is dug at or near the trap a clean-out Wye shall be B.O.D. and/or which is discharged continuously at a rate
placed in the line,on the street side of the house trap,with exceeding 1,000 gallons per minute by special permit.
a length of pipe leading to the surface of the ground or
cellar floor. A suitable clean-out cap shall be leaded in (1) Any storm water, cistern or tank overflow, cellar
this pipe to facilitate cleaning the service from the trap drain, or the contents of any privy vault or cesspool, or,
to the main. except as otherwise provided by the Board; and under
(h) Floor Drains—may only be connected to the sani !A a permit issued by the Board, the discharge of effluent
tary sewers to serve kitchens or toilet rooms only. from any air conditioning machine or refrigeration unit.
A fee as established by the Board of Public Works will
32. "Y" Openings, Location be charged for each air conditioning or refrigeration ef-
fluent discharging into the sanitay sewer.
The location of "Y" openings will be furnished by the -
s
di
e(m) No person shall discharge or cause to bdi
Water&Sewer Div.Reasonable care will be taken in locat- charged any waters or wastes containing a toxic or be
ing Y poison-
is not guaranteed.openings with accuracy but accuracy cannot and ous substance, a high chlorine demand or suspended
solids in sufficient quantity to injure or interfere with any
sewage treatment process, constitute a hazard to humans
33. Improper Use of Sewers or animals, or create any hazard in the receiving waters
No person shall discharge or cause to be discharged or the effluent of the sewage Treatment plant. Such toxic
to any public sewer any of the following described sub- substances shall be limited to the average concentrations
listed hereinafter in the sewage as it arrives at the treat-
stances, materials, waters or wastes: ment plant and at no time shall the hourly concentration
(a) Any liquid or vapor having a temperature higher at the sewage treatment plant exceed three times the aver-
than 150 degrees Fahrenheit (65 degrees Centigrade). age concentration. If concentrations listed are exceeded,
(b) Any waters or wastes which contain grease or oil individual establishments will be subject to control in
or other substance that will solidify or become discern- volume and concentration by the Board of Public Works.
ibly viscous at temperatures between 32 and 150 degrees See limits established or from time to time changed by
Fahrenheit. the State Health Department.
(c) Any waters or wastes containing emulsified oil (n) Normal Sanitary Sewage shall be construed to fall
and grease exceeding an average of 50 parts per million within the following ranges at the effluent of the industrial
(417 pounds per million gallons) ether soluble matter. plant in question.
(d) Any gasoline, benzine, naphtha, fuel oil, or min-
eral oil or other flammable or explosive liquid, solid, or Constituents Permissible Range
gas. Suspended Solids ..............180 to 350 ppm
(e) Any noxious or malodorous gas such as hydro- 13OD ..................................140 to 300 ppm
gen sulfide, sulfur dioxide, or nitrous oxide or other sub- Chlorine Demand.............. 5 to 15 ppm
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34. Sewer Pipe Dead Ends sewer constructed or used in violation of the Rules and
Regulations pertaining thereto. The Board of Public
The end of any sanitary sewer or lateral, not to be Works shall have the right to enter upon any public or
immediately used,must have a suitable manhole for flush- private property for this purpose.
ing at its upper length and at the point where it is con-
nected to the main trunk line sewer. 38. Sewer Layer's License
The Examining Board of Plumbers may issue a Sewer
35. Manholes Layer's License to persons engaged in installing or re-
No person shall raise or tamper with the cover of any placing sewers. All sewer mains and services including
sewer manhole or deposit thereon any refuse or other cast iron bell and spigot or cement-asbestos pipe must be
materials without permission from the Board of Public laid by or under the supervision of a licensed sewer layer,
Works. or licensed plumber.
36. Private Sewer Lines
39. Excavations, Etc.
The City shall have the right to connect with and use The site of the work must be suitably guarded, bar-
or permit to be used any private sewer built upon any ricaded and protected by red lights from sundown to
public grounds. sunrise and by red flags during the day.
All excavations must be filled and thoroughly tamped
37. Disconnection of Service as soon as possible after completion of the work and all
surplus materials immediately removed.
The Board of Public Works shall have the right to All portions of the street disturbed must be restored to
close or disconnect from any public or private sewer,any their former condition.
IV. Rules Governing Installation and Operation of
Air Conditioning and Refrigeration Equipment
Whereas the operation of water cooled refrigeration (d) "System" shall mean any combination of appara-
and other equipment for changing the dry bulb tempera- tus, individual unit, group or collection of units supplied
ature or the humidity of air has rapidly increased and with water through any single customer service pipe con-
now involves the use of water in quantities never before netted to the public water system.
anticipated, thereby placing unexpected burdens on the (e) "Person" shall mean and include a natural person,
public water supply system which are detrimental to other
partnership, corporation or association. Whenever used
classes of water service. And Whereas, in the interest of with respect to any penalty, the term "person" as applied
the public and its water supply system, it is necessary to to partnerships or associations, shall mean the partners or
regulate the use of water for such purposes and to require members thereof, and as applied to corporations, the
conservation of water and the elimination of waste. officers thereof.
Now, therefore be it resolved that the following regula- (f) For the purpose of these regulations, in no event
tions shall apply to all water-cooled equipment installed shall the rated capacity in tons be considered less than the
for the purpose of reducing the dry bulb temperature or following:
decreasing the absolute humidity of air,whether for com-
fort air conditioning, refrigeration, processing or what- 1. Total maximum B.T.U. per hour of capacity on the
ever other purposes. installation divided by 12,000, or
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2. The name-plate horsepower of any compressor prime
40. Definitions mover unit, for any air-conditioning installation or
For the purpose of these regulations, the following 3. Two thirds the name-plate horsepower of (2) above
terms shall have, and shall be construed to have, the fol. for any refrigeration installation.
lowing meanings:
(a) The term "air conditioning"system and "Refriger- 41. Permit Required
ation" system shall include any combination of equip-
ment, whether compressor or other type, by which heat is No person shall install, operate or use any equipment
removed from the air and from which the accumulated or for air conditioning or refrigeration which requires a sup-
effluent heat is wholly or partially removed by the use of ply of water from the system of the City of Ithaca without
water. first having procured written permit therefore from the
(b) "Air Conditioning System" shall mean an instal- office of the Water and Sewer Division.
lation for maintenance, by heat removal, of temperatures 42. Application for Permit
which are not less than 60°F.
(c) "Refrigeration System" shall mean an installation Application for permit shall be made to the office of
for maintenance, by heat removal of temperatures which the Water and Sewer Division and shall provide the fol-
are less than 60°F. lowing information:
9
(a) Name and address of applicant. 46. Water Use and Conservation
(b) Location of premises where installation is pro. (a) Systems with a capacity of three tons or less shall
posed. not use water directly or indirectly, (except when used
(c) Name and address of the owners of the premises. with conservation equipment) from the public supply.
(d) Names of.manufacturers of the units requiring (b) Systems with a total capacity of more than three
water. tons but not exceeding five tons may use water directly
(e) Manufacturer's identification and classification from the public supply, at a rate not exceeding 2.0 g.p.m.
of the refrigeration units. per ton if the water temperature is 75°F or less, or 3.0
(f) Manufacturer's rating of maximum refrigerative g.p.m. per ton if it is above 75°F., provided that they are
capacity of the unit or units under the conditions equipped with an automatic regulating valve which will
of the planned installation. (Rating may be
stated in tons/24 hours or B.T.V./hour). (1) Stop the flow of water when the refrigerating
machine is shut down and
In the absence of the required manufacturer's max-
imum rating, the Superintendent may specify the tonnage (2) Throttle the flow of water down to the momen-
of the installation at the ratings indicated in Section 404; tary requirements of the system.
or, if these appear inadequate, then by whatever other (c) All systems having a total capacity exceeding five
measure of capacity appears to him to be proper. tons shall be equipped with evaporative condensers, cool-
(g) Horsepower of compressor prime mover, if unit ing towers, spray ponds, or other water cooling equip-
is compressor type. ment. This equipment shall he of sufficient capacity to
(h) Where water conservation devices are required insure conformance with the requirements of Table I
(to comply with Sec. 46 hereof), the manufac- for makeup water when operating under full loading at
turer's name, identification, classification and maximum summer temperature.
size of the conservation equipment.
(i) Elevation and plan showing general piping ar- Table I
rangements and details of all points of connec- Maximum Allowable Water Use
tion to building supply water (piping direct to
condenser units, make-up supply into tower fan, Water Hardness Maximum Use
etc.). P.P.M. G.P.M./Ton
(j) Such additional information as shall be re- 0-139 0.1
quired by the Water and Sewer Division. 140-199 0.15
Application shall be signed by the owner or tenant, 200-254 0.2
and applications for installation shall designate a plumber
duly qualified to receive permits under other sections of 255-339 0.3
these regulations. 340-424 0.4
425 and over 0.5
43. Fee /or Permit
A fee shall be paid at the time the application for in- 47. Sanitary Protection
spection is filed with the Plumbing Inspector, and shall
be equal to the existing rate for a new fixture under the (a) All installations shall be made in conformance
Plumbing Code. with the Plumbing Code and subject to the inspection of
the Plumbing Inspector and will include the following
44. Permit to Install general protective measures.
(b) On installations which operate with the use of
(a) Permits to install piping or connect equipment water directly from the public supply system, every direct
will be issued at the office of the Water and Sewer Di- connection shall be equipped with a suitable brass body,
vision, but only in the name of licensed plumbers who brass fitted check valve and vacuum breaker installed in
are duly qualified to perform plumbing work in the City the branch supply line to each unit.
of Ithaca in accordance with the plumbing Code. (c) Discharge and the connections for the disposal of
(b) Within forty-eight (48) hours following the com- waste waters in accordance with the Plumbing Code and
pletion of any work authorized by permit, notice of com- Board of Public Works Regulations regarding sanitary
pletion and request for inspection shall be returned in sewers.
writing on the standard Plumbing Inspection blank, (d) Cooling waters which are to be used for other
accompanied by the inspection fee, by the plumber re
ceiving the permit, to the office from which the permit Purposes shall be provided with free, above the rim dis-
was obtained. charge before entering other equipment, otherwise per-
mission shall be obtained in writing from the Plumbing
Inspector, approving the proposed connections and use.
45. Permit to Operate
(e) On installations other than those described above,
After final inspection and approval of the installation, there shall be a physical break between the public water
a permit to operate or use the equipment will be issued supply piping and the piping of the installation, so ar-
at the office of the Water and Sewer Division in the name ranged as to make back siphonage to the public water
of the owner or tenant. supply system impossible.
10
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I
48. Revocation o/Permit condition develops in the system, subsequent to the adop-
tion of these Rules and Regulations, all installations not
Any permit which is issued under these regulations to equipped to conserve water shall be subject to immed-
operate or use equipment may be revoked by the Water iate discontinuance on orders of the Water and Sewer
and Sewer Division for any one of the following reasons: Division.
(a) Failure of the holder of the permit to discon-
tinue using water for the purposes covered by the permit, 50. Penalties
immediately upon notice to do so issued by the Water and
Sewer Division during an emergency or to forestall an (a) Failure to comply with the above regulations shall
impending emergency. be sufficient cause to penalize the licensee by discontin-
(b) Alterations, changes of equipment, or piping, im- uance of water service for failure to correct the violation
proper operation or lack of maintenance which results within 15 days after notification that the violation exists.
in conditions that (b) Licensed plumbers guilty of violation of any of
(1) are hazardous to the potable water supply the Rules and Regulations herein shall be prohibited from
either within the premises or in supply mains or securing further permits from the Water and Sewer Di-
(2) cause unnecessary waste of water. vision, and when wilful violations warrant, charges may
be preferred to the Examining Board of Plumbers seeking
(c) The use of water is found to exceed .the quan- revocation of the plumber's license.
tities under Sec. 46 of these Rules and Rgulations.
51. Inconsistent Ordinances
49. Effective Date All regulations, ordinances or parts of ordinances here-
(a) For new installations, these regulations shall be tofore in effect which are in conflict with, or which are
effective upon publication. Publication shall be made in inconsistent with, the provisions of these Rules and Reg-
accordance with provisions of any applicable laws, acts, ulations, to the extent of their inconsistency are hereby
opinions, ordinances or regulations. repealed.
(b) Existing installations shall be modified to con-
form to the provisions of these regulations, applications 52. Separability
to operate shall be filed and permits shall he obtained. The invalidity of any section, clause, sentence or pro-
Modifications shall be completed and permits obtained vision of these Rules and Regulations shall not affect the
in accordance with the provisions of this paragraph within validity of any other part thereof, which can be given
six months after adoption. effect without such invalid part or parts.
(c) Existing installations conforming to the provisions
of these regulations in all matters except the conservation 53. Changing Rules and Regulations
of water shall not be penalized under Provisions of Sec.
50 for failure to provide conservation for a period of The Board of Public Works reserves the right to change
one year after adoption. Such installations shall,however, by resolution from time to time, these Rules and Reg-
be subject to all other provisions of the regulations, ulations governing the installation and operation of air
six months after adoption. In the event that a critical conditioning and refrigeration equipment.
I
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11
SPECIFICATIONS FOR THE CONSTRUCTION OF WATER AND SEWER MAINS
CONNECTING TO THE WATER AND SEWER SYSTEMS
OF THE CITY OF ITHACA, N. Y.
General information to Engineers, Contractors and per- I-A-3. Bell Holes
sons or corporations contemplating the construction of Bell holes shall be provided at each joint to permit
water and/or sewer lines connecting to the City systems.
the jointing to be made properly.
It is the intent of these specifications to outline the
minimum acceptable requirements governing the construc- I-A-4. Pipe Clearance in Rock
tion of, and materials used in water and sewer mains
which will connect with the Ithaca water and sewer Ledge rock, boulders, and large stones shall be removed
systems, whether constructed for the City, either by City to provide a clearance of at least 6 inches below and 8
forces under the direction of the Superintendent of Public inches on each side of all pipe and fittings.
Works, or by a contractor under an agreement with the
City; or constructed for private individuals, corporations, I-A-5. Excavation to Grade
or Water Districts, who may have received a permit, to
connect with the City system and which water and sewer The trench shall be excavated to the depth required so
mains are to be built by themselves or by contractors as to provide a uniform and continuous bearing and
under an agreement with them. support for the pipe on solid and undisturbed ground at
No connections to any mains in the water or sewer every point between bell holes. Any part of the bottom
system may be made until such connections are authorized of the trench excavated below the specified grade shall
by the Board of Public Works, and the plans for the be corrected with approved material, and thoroughly
water or sewer main extension are approved by the Board compacted as directed by the Inspector. The finished
of Public Works. grade shall be prepared accurately by means of hand
All work done on water and/or sewer main extensions tools.
connecting to the Ithaca systems must conform to these The subgrade beneath the centerline of the pipe shall
specifications, and must be done under the supervision be finished to within 0.03 ft. of a straight line between
and inspection of the Superintendent of Public Works of pipe joints or batter boards. All tolerance shall be above
the Board of Public Works, or under such inspection as specified grade.
may be otherwise ordered by the Board of Public Works. If, in the opinion of the Inspector, soil conditions are
The term"Inspector" hereinafter used will mean the duly encountered at subgrade which require all or part of the
designated representative of the Board of Public Works. work to be done in accordance with Section I-A-6, the In-
The rules and regulations of the Board of Public Works spector shall have the authority to order the work to be
adopted Jan. 28, 1970 and effective Feb. 1, 1970 gov. done.
erning the installation and use of service lines and mains,
and the Plumbing Code of the City of Ithaca, shall be I-A-6. Excavation in Poor Soil or Rock
considered a part of these specifications and shall govern Where the bottom of the trench at subgrade is found
such conditions as are not herein specifically described. to be unstable or to include ashes, cinders, all types of
refuse, vegetable or other organic material, large pieces
I—GENERAL or fragments of inorganic material, or rock, which in the E
I-A EXCAVATION AND PREPARATION OF TRENCH judgment of the Inspector should be removed, the Con-
tractor shall excavate and remove such unsuitable material
I-A-1. Description to the width and depth ordered by the Inspector. Before
The trench shall be excavated to full depth and grade the pipe is laid, the subgrade shall be made by backfill-
for a distance of at least 50 feet in advance of pipe lay- ing with an approved material in 3" uncompacted layers.
ing, but not more than one average days pipe laying in The layers shall be thoroughly tamped as directed by the
advance of the work. The trench shall be so braced and Inspector so as to provide a continuous bearing and sup-
drained that the workmen may work therein safely and port for the pipe at every point between the bell holes.
efficiently. It is essential that the discharge from the The finished subgrade shall be prepared accurately by
trench dewatering pumps be conducted to natural drain- means of hand tools.
age channels, drains or storm sewers. The subgrade beneath the centerline of the pipe shall
be finished to within 0.03 ft. of a straight line between
I-A-2. Width of Trench bell holes or batter boards, and all tolerances shall be
The width of trench shall be ample to permit the pipe above the specified grade.
to be laid and jointed properly, and the backfill to be I-A-7. Special Foundation in Poor Soil
placed and compacted as specified. Trenches shall be of
such extra width, when required, as will permit the con- Where the bottom of the trench at subgrade is found
venient placing of timber supports, sheeting and bracing, to consist of material which is unstable to such a degree
and handling of fittings. that, in the opinion of the Inspector, it can not be re-
Minimum width shall be sufficient to give clearance of moved and replaced with an approved material thoroughly
at last eight inches either side of the barrel of the pipe. compacted in place to support the pipe properly, the con-
12
tractor shall construct a foundation for the pipe, consist- I-A•12. Trenching by Hand Methods.
ing of piling, timber or other materials, in accordance Hand methods for excavations shall be employed in
with plans approved by the Board of Public Works. locations where obstructions are shown on drawings or
where, in the opinion of the Inspector, property can best
I-A-8. Blasting be protected by digging by hand. In other locations the
Blasting for excavation will be permitted only after contractor may use trench digging machinery.
securing the approval of the Inspector and only when
proper precautions are taken for the protection of persons I-A-13. Barricades, Guards and Safety Provisions
or property. The hours of blasting will be fixed by the To protect persons from injury and to avoid property
Inspector. Any damage caused by blasting shall be re-
paired by the contractor at his expense. The contractor's damage, adequate barricades, construction signs, torches,
of procedure shall conform with State laws lanterns and guards as required shall be placed and main-
methods and municipal ordinances. tained during the progress of the construction work and
until it is safe for traffic to use the highway. All material
j piles, equipment and pipe which may serve as obstruc-
tions to traffic shall be enclosed by fences or barricades
Open-cut trenches shall be sheeted and braced as re- and shall be protected by proper lights when the visibility
quired by any governing state laws, and as may be neces- is poor.The Rules and Regulations of the local authorities
sary to protect life, property or the work. When close respecting safety provisions shall be observed.
sheeting is required, it shall be so driven as to prevent
adjacent soil from entering the trench either below or I-A-14. Maintenance of Traffic and Closing of Streets
through such sheeting. Where sheeting and bracing are The contractor shall carry on the work in a manner
used the trench width shall be increased accordingly. which will cause the least interruption to traffic, and may
The Inspector reserves the right to order the sheeting close to travel not more than two consecutive blocks,upon
driven to the full depth of the trench or to such additional the specific permission of the City, including the cross
depths as may be required for the protection of the work. street intersected. Where traffic must cross open trenches,
Where the soil in the lower limits of a trench has the the contractor shall provide suitable bridges at street
necessary stability, the Inspector, at his discretion, may intersections and driveways.
permit the contractor to stop the driving of sheeting at The contractor shall post, where directed by the Inspec-
some designated elevation above the trench bottom. The
granting of permission by the Inspector, however, shall tor, suitable signs indicating that a street is closed and
not relieve the contractor in any degree from his full necessary detour signs for the proper maintenance of
traffic.
responsibility under the contract.
Sheeting and bracing which have been ordered left in I-A-15. Structure Protection
place must be removed for a distance of 3 ft.below the es-
tablished street grade or the existing surface of the street, Temporary support, adequate protection and mainte-
whichever is lower. Trench bracing, except that which nance of all underground and surface structures, drains,
must be left in place, may be removed when the back- sewers and other obstructions encountered in the progress
filling has reached the respective levels of such bracing. of the work shall be furnished by the contractor at his
Sheeting, except that which has been left in place, may be expense and under the direction of the Inspector. The
removed after the backfilling has been completed or has structures which may have been disturbed shall be
been brought up to such an elevation as to permit its safe restored upon completion of the work.
removal. Sheeting and bracing may be removed before
flushing the trench, but only in such manner as will in- I-A-16. Protection of Property and Surface Structures
sure the adequate protection of the completed water and/ Trees, shrubbery, fences, poles and all other property
or sewer structures, and prevent the disturbance of adja- and surface structures shall be protected unless their
cent ground. removal is shown on the drawings or authorized by the
I-A-10. Care of Surface Material for Reuse Inspector. When it is necessary to cut roots and tree
branches,such cutting shall be done under the supervision
All surface materials which, in the opinion of the In- of the Inspector.
spector, are suitable for reuse in restoring the surface shall
be kept separate from the general excavation material, as I-B BACKFILLING
directed by the Inspector.
I-B•1. Backfill Material
I-A-11. Piling Excavated Material All backfill material shall be free from cinders, ashes,
All excavated material shall be piled in a manner that refuse, vegetable or organic material, boulders, rocks or
will not endanger the work and that will avoid obstruct- stones, or other material which in the opinion of the In-
ing sidewalks, and driveways. Hydrants under pressure, spector is unsuitable. However, from 1 ft. above the top
valve pit covers, valve boxes, curb stop boxes, fire and of the pipe to the subgrade of the pavement,material con-
police call boxes, or other utility controls shall be left un- taining stones up to 8 in. in their greatest dimension may
obstructed and accessible until the work is completed. be used, unless specified otherwise herein.
Gutters shall be kept clear or other satisfactory provisions
made for street drainage, and natural water courses shall I-B-2. Use of Excavated Material as Backfill
not be obstructed. When the type of backfill material is not indicated on
13
the drawings or specifications, the contractor may backfill II—WATER MAINS
with the excavated material, provided that such material II-A MATERIALS TO BE USED
consists of loam, clay, sand, gravel, or other material
which, in the opinion of the Inspector, are suitable for II-A-1. Pipe and Fittings
backfilling. All pipe lines 4"in diameter and larger shall be bell and
I-B-3. Sand or Gravel Backfill spigot, tar-coated, cement lined, centrifugally cast pipe to
meet A.W.W.A. specifications; class of pipe used to be
Where sand or gravel backfill is not indicated on the determined by the operating pressure and conditions of
drawings or specified herein, -and in the opinion of the the line. All fittings to be Class D, tar-coated, long pat-
Inspector should be used in any part of the work,the con- tern, to meet A.W.W.A. specifications.
tractor shall furnish and backfill with sand or gravel as The use of mechanical joints and rubber joint cast iron
directed. pipe will be allowed by approval of the Board of Public
Works.
I-B-4. Backfilling Under Pipe
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All trenches shall be backfilled by hand, from the bot- II-A-2. Valves
tom of the trench to the centerline of the pipe, with sand, Main line valves shall be "Darling" hub-end valves of
gravel, or other approved material placed in layers of 3 the type used by the City of Ithaca. Valves open left.
in. and compacted by tamping. Backfilling material shall (counter-clockwise).
be deposited in the trench for its full width on each side
of the pipe, fittings and appurtenances simultaneously.
II-A-3. Hydrants
I-B-S. Backfilling Over Pipe Hydrants shall be "Darling" B-50-B, 5 inch hydrants,
From the centerline of the pipe, fittings and appurte- of the type used by the City of Ithaca. Hoze nozzle threads
nances to a depth of 1 ft. above the top of the pipe, the to be City of Ithaca standard. Hydrants shall have a 2-21/2"
trench shall be backfilled by hand or by approved hoze nozzles and 1-41/2" steamer nozzle.
mechanical methods.The contractor shall use special care 21/2"hoze nozzles to be City of Ithaca standard,measur-
in placing this portion of the backfill so as to avoid injur- in 3" OD to top of thread with 71/2 threads to the inch.
ing or moving the pipe. The 41/2" steamer nozzle shall be National standard meas-
The backfill material from the centerline of the pipe uring 53/4" OD at the top of the thread and threaded 4
to 1 ft.above the pipe shall consist of approved excavated threads per inch.
material which shall be placed in 3 in. layers and com-
pacted by tamping. II-A-4. Valve Boxes
I-B-6. Backfilling in Freezing Weather Valve boxes shall be the Buffalo Screw Type roadway
Backfilling shall not be done in freezing weather except box,with cover marked"Water."
by permission of the Inspector, and it shall not be made II-A-5. Manholes
with frozen material. No fill shall be made where the
material already in the trench is frozen. Manholes may be built of concrete masonry of 1-2-4
concrete, using tight smooth forms, or standard cement
I-B-7. Backfill Sand manhole blocks formed especially for four ft. manholes. }
Manholes may be built of masonry using hard pressed 1
All sand used for backfill shall be a natural bank sand, brick. Every fifth course of brick shall be laid as stretchers,
graded from fine to coarse, not lumpy, or frozen, and free the remainders to be headers. Every brick shall have full
from slag,cinders, ashes, rubbish or other material which, mortar joints on the bottom and sides which shall he
in the opinion of the Inspector, is objectionable or dele- formed at one operation by placing sufficient mortar on
terious. It shall not contain a total of more than 10 per the bed and forcing the brick into it. Horizontal joints
cent by weight of loam and clay, and all material must be shall not exceed 3/8" and vertical joints on the inside of
capable of being passed through a 3/4" sieve. Not more manholes shall not exceed 1/4". joints on the inside face
than 5 per cent shall remain on a No. 4 sieve. are to be carefully rubbed full and struck as a manhole
is built up. In wet trenches water shall be kept drained
I-B-B. Backfill Gravel away from manholes until the concrete is set.
Gravel used for backfill shall consist of natural bank No backfilling shall be done for twenty-four hours after
gravel having durable particles graded from fine to coarse completion of the manhole.
in a reasonably uniform combination,with no boulders or In freezing weather customary precautions . heating
stones larger than 2 in. in size. It shall be free from slag, materials and after protection shall be followed.
cinders, ashes, refuse or other deleterious or objectionable Steps. Steps of cast iron, or of galvanized wrought
materials. It shall not contain excessive amounts of loam iron, 3/4" in diameter, shall be securely placed in the in-
and clay and shall not be lumpy or frozen. No more than side of the manhole during construction, not more than
15 per cent shall be finer than No. 200 sieve. Backfill 18 inches apart.
gravel shall be used in the top 18 inches of backfill of all Diameter. Manholes five (5) feet deep or less shall
ditches in City streets. have a minimum inside diameter of four (4) feet at the
14
bottom. Manholes ten (10) feet deep shall be at least five II-D-2. Depth of Pipe
(5) feet in inside diameter and at intermediate depths the
diameter shall be in proportion. The top of the pipe shall be laid to a minimum depth
Frames.and Covers. Manhole covers shall be set to the of four (4) feet below the established grade. Any varia-
tions therefrom shall be made only with the approval of
grade given by the Inspector. Covers of manholes in
the Inspector.
streets shall correspond to the type used and approved by
the City of Ithaca in 1932, frame and cover to weigh not
less than 480 lbs. Depth of frame eight (8) inches; diam. II-E LAYING
eter of cover twenty-four (24) inches. Manholes in park-
ings where no traffic can be expected may use covers of II-E-1. Handling of Vater Main Material into Trench
light weight type used in the City of Ithaca prior to 1932. Proper implements, tools and facilities satisfactory to
Weight of frame and cover not less than 245 lbs., depth the Inspector shall be provided and used for the safe and
of frame,4 inches. convenient prosecution of the work. All pipes, fittings,
valves and hydrants shall be carefully lowered into the
II-B INSPECTION OF MATERIAL trench piece by piece by means of a derrick, ropes or
other suitable tools or equipment, in such a manner as to
II-B-1. Field Inspection prevent damage to water main materials and protective
All pipe and accessories shall be laid, jointed and tested coatings and linings. Under no circumstances shall water
under pressure for defects and leakage in the manner spe- main materials be dropped or dumped into the trench.
cified and in the presence of and as approved by the
Inspector. II-E-2. Hammer Test
II-B-2. Disposition of Defective Material The pipe and fittings shall be inspected for defects and,
while suspended above grade, be rung with a light ham-
All material found during the progress of the work to mer to detect cracks.
have cracks,flaws, or other defects will be rejected by the
Inspector. All defective materials shall be promptly re-
moved from the site. II-E-3. Cleaning Pipe and Fittings
All lumps, blisters and excess tar-coat coating shall be
II-C HANDLING OF MATERIALS removed from the bell-and-spigot end of each pipe, and
II-C-l. Hauling the outside of the spigot and the inside of the bell shall be
wire-brushed and wiped clean and dry and free from oil
Cast iron pipe, fittings, valves,hydrants and accessories and grease before the pipe is laid.
shall be loaded and unloaded by lifting with hoists or
skidding so as to avoid shock or damage. Under no cir- II-E-4. Laying Pipe
cumstances shall such materials be dropped. Pipe handled
on skidways shall not be skidded or rolled against pipe Every precaution shall be taken to prevent foreign
already on the ground. material from entering the pipe while it is being placed in
the line. If the pipe-laying crew can not put the pipe into
II-C-2. At Site of Work the trench and in place without getting earth into it, the
Inspector may require that before lowering the pipe into
In distributing the material at the site of the work,each the trench, a heavy, tightly woven canvas bag of suitable
piece shall be unloaded opposite or near the place where size shall be placed over each end and left there until the
it is to be laid in the trench. connection is to be made to the adjacent pipe.During lay-
ing operations, no debris, tools, clothing or other mate.
II-C-3. Care of Pipe Coating and Lining rials shall be placed in the pipe.
Pipe shall be so handled that the coating and lining After placing a length of pipe in the trench, the spigot
will not be damaged. If, however, any part of the coating end shall be centered in the bell and the pipe forced home
or lining is damaged, the repair shall be made in a man- and brought to correct line and grade. The pipe shall be
ner satisfactory to the Inspector. secured in place with approved backfill material tamped
under it except at the bells. Pipe and fittings which do not
allow a sufficient and uniform space for joints shall be re-
II-D ALIGNMENT AND GRADE moved and replaced with
p pipe and fittings of proper
II-D-1. General dimensions to insure such uniform space. Precautions
shall be taken to prevent dirt from entering the joint
The water main shall be laid and maintained to the re- space.
quired lines and grades with fittings, valves and hydrants At times when pipe laying is not in progress, the open
at the required locations; spigots centered in bells; and ends of pipe shall be closed by a watertight plug or other
all valves and hydrant stems plumb. means approved by the Inspector. Joints of pipe in the
Any changes in either line or grade shall be made by trench which can not be poured shall be calked with pack-
using the proper fittings, and not by crowding the joints, ing to make them as watertight as possible. This provision
except in laying pipe along a curved line the Inspector shall apply during the noon hour as well as overnight. If
may approve a small deviation in alignment at each joint. water is in the trench, the seal shall remain in place until
See Sec.II-E-7. the trench is pumped completely dry.
15
II-E-5. Cutting Pipe II-F-4. Lead
The cutting of pipe for inserting valves, fittings, or Lead for calking purposes shall contain not less than
closure pieces shall be done in a neat and workmanlike 99.73 per cent pure lead. Impurities shall not exceed the
manner without damage to the pipe or cement lining and following limits:
so as to leave a smooth end at right angles to the axis of Arsenic, antimony and tin together........0.015%
thepipe. Copper ........................................................0.08%
When machine cutting is not available for cutting pipe Zinc ..........................................................0.0027o
20 in. in diameter or larger, the electric-arc cutting Iron ..........................................................0.00270
method will be permitted using a carbon or steel rod. Only Bismuth ......................................................0.25%
qualified and experienced workmen shall be used on this Silver ..........................................................0.02%
work. The producer's name or the mark of Lead Industries
The flame cutting of pipe by means of an oxyacetylene shall be clearly cast or stamped upon each piece of lead.
torch shall not be allowed.
II-F-5. Heating and Pouring of Lead
II-E-6. Bell Ends to Face Direction of Laying Lead shall be heated in a melting pot kept in easy reach
Pipe shall be laid with bell ends facing in the direction of the joint to be poured-so that the molten metal will
of laying unless directed otherwise by the Inspector. not be chilled in being carried from the melting pot to the
joint-and shall be brought to a proper temperature so
II-E-7. Permissible Deflection at Joints that when stirred it will show a rapid change of color.
Before pouring, all scum shall be removed. Each joint
Wherever it is necessary to deflect pipe from a straight shall be made in one continuous pouring filling the entire
line, either in the vertical or horizontal plane, to avoid joint space with solid lead. Spongy or imperfectly filled
obstruction or plumb stems, or where long-radius curves joints shall be burned out and repoured.
are permitted, the amount of deflection allowed shall not
exceed that required for satisfactory calking of the joint, II-F-6. Position of Joint Runner
and shall be approved by the Inspector.
The joint runner shall fit snugly against the face of the
Approx.Radius of curve
produced by Succession bell and the outside of the pipe shall be damned with clay
Pipe Joint Max.Deflection with of Joints with Pipe to form a pouring lip to provide for filling the joint flush
Diann. Opening Pipe Length of: Leads of: with the face and to the top of the bell.
16 ft. 18 ft. 20 ft. 16 ft. 18 ft. 20 ft.
4" 0.41 14.8 16.7 18.5 208 234 260 II-F-7. Calking Lead Joints
6" 0.58 14.8 16.7 18.5 208 234 260 After the lead has cooled to the temperature of the
8" 0.65 12.9 14.6 16.2 238 268 297 pipe,
10" 0.75 12.4 14.0 15.5 248 279 310 lead joints shall he calked with pneumatic or hand tools
12" 0.75 10.5 11.9 13.2 292 327 363 operated by competent workmen, until such joints are
16" 0.75 7.9 8.8 9.7 390 440 488 thoroughly compacted and watertight. The finished joint
shall show a hard and even hammered surface overall.
II-E-8. Unsuitable Conditions for Laying Pipe Care should be taken not to overstrain the bells during
No pipe shall be laid in water or when, in the opinion calking.
of the Inspector, the trench conditions are unsuitable.
II-G SETTING VALVES AND FITTINGS
II-F JOINTING II-G-1. General
II-F-1. Yarning or Packing Material Valves, fittings, plugs and caps shall be set and jointed
Yarning or packing material shall be molded or tubular to pipe in the manner heretofore specified for cleaning,
rubber rings. The above material shall be handled with laying and jointing pipe.
care in order to prevent contamination and shall be dry
when put into place in the joint. The material shall be II-G-2. Valve Boxes and Manholes
free of oil,tar, or greasy substances. (See Sections II-A-4 and II-A-5.)
II-F-2. Placing of Yarning Material A valve box or manhole shall be provided for every
valve.
The yarning material shall be placed around the spigot The valve box shall not transmit shock or stress to the
end of the pipe and shall be of proper dimensions to cen- valve and shall be centered plumb over the operating nut
ter the spigot in the bell. When the spigot is shoved home, of the valve, with the box cover flush with the surface of
the yarning material shall be driven tightly against the the ground, or such other level as may be directed.
inside base or hub of the bell with suitable yarning tool. Where valves are in manholes the operating nut shall
be readily accessible for operation through the opening
II-F-3. Depth of Jointing Material in the manhole, which shall be set flush with the sur-
For lead joints a space not less than 21/4" in depth shall face of the finished pavement. Manholes shall be so
be left in the bell in pipe having a nominal diameter of constructed as to permit minor repairs and afford pro-
20" or less; 21/2" in 24, 30 and 36" pipe; and 3" in pipe tection to the valve and pipe from impact where they
larger than 36". pass through the manhole wall.
16
II-G-3. Drainage of Mains be excavated below each hydrant and filled compactly
Mains shall be drained through drainage branches or With coarse gravel or crushed stone mixed with coarse
sand,under and around the elbow of the hydrant and to a
blowoffs to dry wells from which the water can be level of 6 inches above the waste opening.
pumped. Drainage branches, blowoffs, air vents and ap-
purtenances shall be provided with gate valves and shall *Note: The Inspector shall determine whether II-11-4 or II-H-S is
applicable.
be located and installed as shown on the plans.
Drainage branches or blowoffs shall not be connected II-I ANCHORAGE
to any sewer, submerged in any stream or be installed in
any other manner that will permit back siphonage into the II-I-1. Anchorage for Hydrants
distribution system.
The bowl of each hydrant shall be well braced against
unexcavated earth at the end of the trench with stone or
II-G-4. Dead Ends slabs or concrete backing.
All dead ends on new mains shall be closed with cast
iron plugs or caps, with or without a blowoff cock, as II-I.2. Anchorage, for Plugs, Caps, Tees and Bends
shown on the drawings.
All plugs, caps, tees and bends deflecting 221/2 degrees
II-H SETTING HYDRANTS or more on mains 8 inches in diameter or larger shall be
provided with a reaction backing.
II-H-1. Location
Hydrants shall be located as shown or as directed and II-I-3. Reaction Backing
in a manner to provide complete accessibility, and also in Reaction backing shall be concrete of a mix not leaner
such a manner that the possibility of damage from vehicles than 1 cement: 21/2 sand: 5 stone, and having a compres-
or injury to pedestrians will be minimized. sive strength of not less than 2,000 psi, at 28 days. Back-
When placed behind the curb, the hydrant barrel shall ing shall be placed between solid ground and the fitting
be set so that no portion of the pumper or hoze nozzle cap to be anchored; the area of bearing on the pipe and on
will be less than 6 in.nor more than 12 in.from the gutter the ground in each instance shall be that shown or di-
face of the curb. rected by the Inspector. The backing shall, unless other-
When set in the lawn space between the curb and the wise shown or directed, be so placed that the pipe and
sidewalk, or between the sidewalk and the property line, fitting joints will be accessible for repair.
no portion of the hydrant or nozzle cap shall be within
6 in: of the sidewalk. II-J HYDROSTATIC TESTS
II-H-2 Position II-J-1. Pressure Test
After the pipe has been laid and partially backfilled
All hydrants shall stand plumb and shall have their as directed by the Inspector, all newly laid pipe, or any
nozzles parallel with or at right angles to the curb, with valved section thereof, shall be subject to a hydrostatic
the pumper nozzle facing the curb, except that hydrants pressure equal to a pressure 50% greater than the com-
having two hoze nozzles 90 degrees apart shall be set with puted working pressure of the section under test based on
each nozzle facing the curb at an angle of 45 degrees. the lowest point in the section under test and corrected to
Hydrants shall be set to the established grade,with nozzles the elevation of the test gage.
at least 12 inches above the ground, as shown or as di-
rected by the Inspector. II-J-2. Duration of Pressure Test
II-H-3. Connection to Main The duration of each pressure test shall be at least one
Each hydrant shall be connected to the main with a 6" hour.
cast-iron branch controlled by an independent 6" gate
valve, except as otherwise directed. II-J-3. Procedure
Each valved section of pipe shall be slowly filled with
II-H-4. Hydrant Drainage in Pervious Soil* water and the specified test pressure, based on the eleva-
Wherever a hydrant is set in soil that is pervious,drain- tion of the lowest point of the line or section under test
age shall be provided at the base of the hydrant by placing and corrected to the elevation of the test gage,shall be ap-
coarse gravel or crushed stone mixed with coarse sand, plied by means of a pump connected to the pipe in a man-
from the bottom of the trench to at least 6 inches above ner satisfactory to the Inspector.
the waste opening in the hydrant and to a distance of 1 ft.
around the elbow. No drainage system shall be connected II-J-4. Expelling Air before Test
to the sewer.
Before applying the specified test pressure, all air shall
II-H-5. Hydrant Drainage in Impervious Soil* be expelled from the pipe. If hydrants or blow-offs are
not available at high places, taps at points of highest ele-
Whenever a hydrant is set in clay or other impervious vation shall be made before the test is made, and plugs
soil, a drainage pit 2 ft. in diameter and 3 ft. deep shall inserted after the test has been completed.
17
II-J-S. Examination under Pressure existing systems shall be chlorinated. If the available
All exposed pipes, fittings, valves, hydrants and joints water is more alkaline than pH 8, the holding time in the
shall be carefully examined during the open-trench test. main shall be increased at the discretion of the engineer.
Joints showing visible leaks shall be recalked until tight.
Any cracked or defective pipe, fittings,valves or hydrants II-K-2. Form of Applied Chlorine
discovered in consequence of this pressure test shall be re- Any of the following methods of procedure (arranged
moved and replaced with sound material, and the test shall
be repeated until satisfactory to the Inspector. in order of preference) shall be followed, subject to the
approval of the engineer:
II-J-6. Leakage Test Liquid chlorine gas-water mixture
A leakage test shall be conducted after the pressure test Direct chlorine feed ............................
has been satisfactorily completed. The duration of each Calcium or sodium hypochlorite and
leakage test shall be two hours, and during the test the water mixture ........................................
main shall be subject to a pressure equal to the computed Chlorinated lime and water mixture
working pressure of the lowest point in the section and cor.
rected to gage elevation except that the test pressure shall II-K-3. Liquid Chlorine
be a minimum of 100 lbs. sq. in. in the lowest point in the
section. A chlorine gas-water mixture shall be applied by means
Leakage is defined as the quantity of water to be sup- of a solution-feed chlorinating device, or, if approved by
plied into the new laid pipe, or any valved section thereof, the engineer, the dry gas may be fed directly through
necessary to maintain the specified leakage test pressure proper devices for regulating the rate of flow and provid-
after the pipe has been filled with water and the air ex- ing effective diffusion of the gas into the water within the
pelled. pipe being treated. Chlorinating devices for feeding solu-
No pipe installation will be accepted until the leakage tions of the chlorine gas or the gas itself must provide
is less than the number of gallons per hour as determined means for preventing the backflow of water into the
by the formula: chlorine cylinder.
L=ND-\/P/1,850
in which L equals the allowable leakage in gallons per II-K•4. Chlorine bearing Compounds in Water
hour; N is the number of joints in the length of pipe On approval of the engineer, a mixture of water and a
tested; D is the normal diameter of the pipe, in inches; chlorine-bearing compound of known chlorine content
and P is the average test pressure during the leakage test, may be substituted as an alternative for liquid chlorine.
in pounds per square inch gage.
II-K-4.1. Chlorine-bearing Compounds
II-J-7. Variation front Permissible Leakage
The chlorine-bearing compounds which may be used
Should any test of pipe laid disclose leakage greater are: (1) calcium hypochlorite, (comparable to commer-
than that specified in Section II-J-6, the defective joints cial products known as"HTH,""Perchloron"and"Pittch-
shall be located and repaired until the leakage is within for"), (2) chlorinated lime (frequently called chloride of
the specified allowance. lime and known to industry as bleaching powder) and
II-J-B. Time for Making Test of Pipe (3) sodium hypochlorite.
Lead-jointed pipe may be subjected to hydrostatic pres- II•K-4.2. Proportions of Mixtures
sure and inspected and tested for leakage at any conveni- A 5 per cent solution of the powder shall be prepared,
ent time after the trench has been partially backfilled ex-
cept at the joints. consisting of S per cent of powder to 95 per cent of water
by weight, due attention being given to the chlorine con-
Where any section of a main is provided with concrete tent of the product used. This calcium hypochlorite or
reaction backing,the hydrostatic pressure test shall not be chlorinated lime and water mixture, first made into a paste
made until at least five days have elapsed after the con- and then thinned to a slurry with clean water, shall be
crete reaction backing was installed. If high-early-strength injected or pumped into the newly laid pipe after prelimi-
cement is used in the concrete reaction backing,the hydro- nary flushing. If sodium hypochlorite is used mix the solu-
static pressure test shall not be made until at least two tion as purchased, with water to obtain the desired con-
days have elapsed. centration of chlorine and feed into the pipe under treat-
ment in the same manner as is used for feeding other
hypochlorites.
No valve or other control on the existing system shall
be operated for any purpose by the contractor. The City II-K-S. Point of Application
will operate all valves, hydrants, blowoffs and curb stops.
The preferred point of application of the chlorinating
11-K DISINFECTION agent shall be at the beginning of the pipeline extension or
II-K•1. Form of Chlorine and Means of Application any valved section of it and through a corporation stop
inserted by the owner (except in new distribution sys-
Before being placed in service: all new water distribu- tem) in the top of the newly laid pipe. The water injec-
tion systems and repaired portions of, or extensions to, for for delivering the chlorine-bearing water into the pipe
18
should be supplied from a tap on the pressure side of the III—SEWER MAINS
gate valve controlling the flow into the pipeline extension. III-A MATERIALS TO BE USED
In a new system, application of chlorine may be made ad-
vantageously at the pumping station, the elevated tank, III-A-1. Pipe and Fittings
the standpipe or the reservoir. When properly cleaned
first, these units are thus chlorinated adequately. All sewer mains shall be cement-asbestos with a mini-
mum inside diameter of 8".
II-K-6. Rate o/Application No other specifications for'concrete, or cement asbestos
sewers are herein contained. The use of other materials is
Water from the existing distribution system or other not prohibited and may be done under standard specifica.
source of supply shall be controlled so as to flow slowly tions submitted to and approved by the Board of Public
into the newly laid pipeline during the application of Works.
chlorine. The rate of chlorine mixture flow shall be in
such proportion to the rate of water entering the pipe
that the chlorine dose applied to the water entering the II-A-2. Manholes
newly laid pipe shall be at least 40 to 50 ppm. This may Manholes shall be constructed at every change of line
require as much as 100 ppm. of chlorine in the water left or grade of the sewer main, at every main intersection or
in the line after chlorination. A convenient method of de. branch, (except branches for house connections) and in
termining the rate of flow of water into the line to be straight runs of main so that the distance between man.
treated is to start with the line full of water and measure holes shall not exceed 300 feet, except where the grade of
the rate of discharge at a hydrant with a pilot gage. Great the sewer is more than five (5) feet in one hundred (100)
flexibility is made possible by providing a series of ori- feet the distance between the manholes shall not exceed
fices to give good gage readings at high and low flows. two hundred fifty (250) feet.
Manholes may be pre-cast of concrete masonry of 1.2.4
II-K-7. Preventing Reverse Flow concrete, using tight smooth forms, or standard cement
Valves shall be manipulated so that the strong chlorine manhole blocks formed especially for four foot manholes.
' solution in the line being treated will not flow back into Manholes may be built of brick masonry using hard
the line supplying the water. pressed brick. Every fifth course of brick shall be laid as
stretchers, the remainder to be headers. Every brick shall
have full mortar joints on the bottom and sides which shall
II-K-B. Retention Period be formed at one operation by placing sufficient mortar on
the bed and forcing the brick into it. Horizontal joints
Treated water shall be retained in the pipe long enough shall not exceed 3/8" and vertical joints on the inside of
to destroy all nonspore-forming bacteria. This period the manholes shall not exceed 1/4".Joints on the inside face
should be at least 24 hours and preferably longer, as may are to be carefully rubbed full and struck as a manhole is
be directed. After the chlorine-treated water has been re- built. The outside of the manhole shall be smoothly
tained for the required time, the chlorine residual at the and evenly plastered with cement mortar one-half inch
pipe extremeties and at other representative points should thick. Such plaster coat shall be applied in one operation
be at least 25 ppm. after all brick has been placed and must not be applied by
the mason working within the manhole as the brick
II-K-9. Chlorinating Valves and Hydrants courses are laid up. Plaster shall be proportioned 1 part
Portland cement to two and one-half (21/2) parts mortar
In the process of chlorinating newly laid pipe,all valves sand.
or other appurtenances shall be operated while the pipe- Manhole Bottoms. Inverts of manholes shall be formed
line is filled with the chlorinating agent. by running the sewer pipe through the manhole cutting
out the top half of the pipe after the manhole has been
II-K-10. Final Flushing and Test completed. Concrete bottoms of manholes shall be placed
in two layers. The top of the bottom layer shall be level
Following chlorination, all treated water shall be thor- with the horizontal diameter of the pipe, and upon this
oughly flushed from the newly laid pipeline at its extremi- layer the brick masonry shall be started.The depth of this
ties until the replacement water throughout its length shall, concrete shall be everywhere at least six (6) inches thick.
upon test, be proved comparable to the quality of water Particular care must be exercised to insure this depth
served the public from the existing water supply system. under the invert. After the top of the pipe has been cut off
This quality of water delivered by the new main should and the invert left in the concret base, a second concrete
continue for a period of at least two full days as demon. floor must be applied on top of the original bottom to the
strated-by laboratory examination of samples taken from height of the top of the sewer pipe leaving the manhole.
a tap located and installed in such a way as to prevent This floor shall be neatly shaped to meet the cut half of
outside contamination. the sewer pipe,and shall serve to confine the sewage from
overflowing on the manhole bottom if the sewer should
II-K-11. Repetition o/Procedure flow more than half full.
Where invert of manhole is below ground water level,
Should the initial treatment fail to result in the condi. manholes shall be waterproof on the outside of the plaster
tions specified in Sec. K-10, the chlorination procedure coat with suitable bituminous waterproofing to a line one
shall be repeated until such results are obtained. foot higher than the apparent ground water level. In wet
19
trenches water shall be kept drained away from manholes III-D-2. Pipe Laying
until the concrete work is set. All pipe shall be laid with ends abutting and true to
No backfilling shall be done until the plaster coat on line and grade, so fitted and matched that a smooth uni-
the outside of the manhole shall have set for twenty-four form invert will be formed. The bottom of the trench shall
hours. be shaped so as to conform as nearly as possible to the
In freezing weather customary precautions of heating outside of the pipe, particular care being taken to recess
materials and after protection shall be followed. the bottom of the trench in such a manner as to relieve the
Steps. Steps of cast iron or of galvanized wrought iron, bell of all load.
3/4" in diameter, shall be securely placed in the inside of
the manhole during construction, not more than 18 inches III-D-3. Depth
apart. In streets or highways sewers shall be laid to a mini-
Diameter. Manholes five (5) feet deep or less shall mum depth of three feet, grade permitting.
have an inside diameter of four (4) feet at the bottom.
Manholes ten (10) feet deep shall be five (5) feet in III-D-4. Unsuitable Conditions for Laying Pipe
inside diameter and at intermediate depths the diameter
shall be in proportion. No pipe shall be laid in water or when, in the opinion
Frames and Covers. Manhole covers shall be set to the of the Inspector, trench conditions are unsuitable.
grade given by the Inspector. Covers of manholes in III-E JOINTING
streets shall correspond to the type used and approved by
the City of Ithaca in 1932, frame and cover to weigh not III-E-1. Joints
less than 480 lbs. Depth of frame eight (8) inches, diam-
eter of cover twenty-four (24) inches. Manholes in park- Pipe joints shall conform to both the materials and
ings where no traffic can be expected may use covers of methods of installation of the manufacturer of the partic-
the light weight type used in the City of Ithaca prior to ular cement-asbestos pipe furnished for the job.
1932. Weight of frame and cover not less than 245 lbs.,
depth of frame 4 inches. III-E-2. Joints in Cold Weather
No joints shall be poured when pipe is at a temperature
III-B DISPOSITION OF DEFECTIVE MATERIAL below freezing. When the air temperature is below 40°F
the part of the pipe to be joined shall be heated and a
All material found during the progress of the work to paint coat of G-K primer, or equal, applied both to spigot
have cracks, flaws, blisters or other defects shall be re- end and inside of bell before pipes are joined preparatory
jetted by the Inspector. All defective material shall be to pouring.
promptly removed from the site.
III-F TESTING
III-C ALIGNMENT AND GRADE III-F-1. Cleaning and Flushing
Sewers shall be laid straight to line and grade between The interior of the sewer shall, as the work progresses,
manholes. be cleared of all dirt, surplus joint material and super-
The alignment and grade of the sewer line shall be fluous material of every description.
checked from a string line stretched along the center of No sewer main shall be finally joined to the City Sys-
the pipe between batterboards, at every 25 feet.The batter tem until it has been satisfactorily cleaned and flushed.
board grades are taken from the engineer's grade stakes.
The elevation of the batter boards above the invert of the III-F-2. Testing
pipe shall be constant for adjacent batter boards. Batter On a completion of any sewer or such portion of the
boards shall be set at every change in line and grade. same as may be directed, and before any connection has
been made therewith, the sewer may be tested for leakage
or infiltration of ground water on the order of the Inspec-
III-D LAYING tor. Contractors shall supply all facilities for making such
III-D-1. Handling Main Material into Trench tests. It is the intent of these specifications to have the
sewer so constructed that the quantity of infiltration will
Proper implements, tools, and facilities satisfactory to be kept at a minimum.The allowable leakage shall not ex-
the Inspector shall be provided and used for the safe and teed a rate of flow of 175 gallons per 24 hours per inch
convenient prosecution of the work. All pipe and fittings of diameter per 1,000 linear feet of sewer tested. Should
shall be carefully lowered into the trench piece by piece by any leaky or defective joints or defective construction be
means of a derrick, ropes or other suitable tools or equip- found they shall be promptly made good, and should any
ment, in such a manner as to prevent damage to sewer defective pipes or specials be discovered they shall be
main materials. Under no circumstances shall sewer main replaced with sound pipes or specials in a satisfactory
material be dropped or dumped into the trench. manner and without cost to the City.
20
1
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SPECIFICATIONS
All castings shall be tough, close grained, grey, iron, free from blisters, blow-
holes or other injurious defects,conforming to the Standard A.S.T.M. Specifications, CITY OF ITHACA
Serial No. A 48, Class 30. No plugging of defective castings will be permitted.
Surfaces of castings shall be free from burnt-on sand and shall be reasonably a P.W.
smooth. Runners, risers, fins and other cast-on pieces shall be removed. DIV. OF WATER & SEWER
Castings shall be of the size,shape,dimensions and weight shown or specified.
They shall be ground where marked or where otherwise necessary to secure per-
fectly flat and true surfaces, an allowance being made in pattern so that the speci-
fied thickness shall not be reduced. Manhole covers shall seat in any position with-
out rocking. DWIN. BY- R.J.G. SCALE-AS SHOWN
Eight inch (8") manhole rings and covers shall comply with the sketch as to
dimensions. Rings and covers shall weigh a minimum of 480 pounds. The faces of
both the rings and cover shall be machined so that the cover cap be put in the CKD. BY- C.W.RICH DATE- 3 -26-57
frame in any position with no tilting.
r
CITY OF ITHACA STANDARD
S"C.I. RING 9 COVER.
DIAMETER NOTES MANHOLES FIVE (8)7
7 0
FOOT DEEP OR LESS SHALL HAVE
AN INSIDE DIAMETER OF FOUR (4)
FEET AT THE BOTTOM. MANHOLES h—a
TEN (10) FOOT DEEP SHALL HAVE
AN INSIDE DIAMETER OF FIVE (S)
FEET AT THE BOTTOM. AT o 0"
INTERMEDIATE DEPTHS THE 'o
DIAMETER SMALL BE IN PROPORTION.
AT DEPTHS GREATER THAN TENp0)
FOOT DEEP THE WALLS SMALL BE
VERTICAL.
SPECIFICATIONS TAKEN FROM
"SPECIFICATIONS FOR THE CONSTRUCTION
OF SANIURY SEWERS CONNECTING TO d __
YV�NV�- THE SEWERAGE SYSTEM OF THE E-0"
CITY OF ITHACA N.Y."
OUTSIDE OF WALLS TO BE PLASTERED d
SMOOTH. S"WALLS FOR MANHOLES LESS
THAN 12'DEEP. 12"WALLS FOR MANHOLES
MORE THAN 12'DEEP.
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SECT ION SECTION
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WATER a SEWER DIV.
DETAIL OF TYPICAL MANHOLE 1950 DETAIL OF TYPICAL DROP MANHOLE
TYPICAL INSTALLATION OF :
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