[HISTORY: Adopted by the Town Board of the
Town of New Castle 6-25-1974. Amendments noted where applicable.]
The intent of these specifications is to cover
the installation of all cast-iron pipelines to be used for the conveying
of water derived from a public water supply system in any of the water
districts of the Town of New Castle. Any pipeline that does not conform
to the requirements of these specifications will not be accepted for
maintenance by the Town Water Department.
All persons or parties desiring to install cast-iron
pipelines to be connected with the public water system of the Town
of New Castle shall make written application for permission to install
and connect said pipelines. This application shall be accompanied
by plans in duplicate, showing the location of said proposed water
main and also the size of pipelines, locations or appurtenances, such
as meter pits, hydrants, valves, etc.
The laying and testing of all cast-iron pipelines
to be connected with the public water system of the Town of New Castle
shall be performed in the presence of an inspector to be furnished
by the Water Department of the Town of New Castle, for whose services
the person or parties constructing such extension shall pay the sum
set forth by the water district for each and every day or portion
thereof in which the services of the inspector are required. No water
will be turned into the waterline until payment in full for the services
of said inspector has been received.
Unless otherwise specifically permitted by the
Water Department in writing, all materials used for such cast-iron
pipe shall conform to the following specifications.
All cast-iron pipe shall be mechanical joint
or tyton pipe conforming as a specification A21.6, class thickness
24. The pipe shall be provided with standard tar coating and shall
be new pipe. The minimum class of pipe shall be eight-inch Class 250
centrifugally cast, cement-lined, thickness class 24. All pipe installed
under county and state highways and railroad beds shall be cement-lined
ductile iron pipe and in a sleeve suitable to the Engineer's
specifications.
Fittings shall be cement-lined Class 250 mechanical
joint. All fittings are to be blocked to side of trench with concrete.
All valves shall conform to the latest standard
specifications of the American Water Works Association for gate valves.
They shall be of the two-hundred-pound working pressure, four-hundred-pound
test class and shall open to the left. Valves shall be similar and
equal to those made by Darling Valve and Manufacturing Company, Mueller
Valve Company or Kennedy Valve Company. Valves shall be mechanical
joint end and shall be equipped with valve boxes of the adjustable
type. Three valves are to be installed at all intersections and at
one-thousand-foot intervals along the water main. Where a main can
be extended at a future date, a valve shall be installed at the end
of the water main.
All hydrants shall have five-inch valve openings,
six-inch hub and shall be of a mechanical joint adopted for a four-and-one-half-foot
trench. They shall be of the two-, two-and-one-half-inch hose-nozzle
and four-and-one-half-inch steamer-connection type. The fire hydrants
shall be of the make standardized by the Water Department of the Town
of New Castle. Hose connections on fire hydrants shall be 11/2 feet
above finished grade of road. Where practical, a fire hydrant shall
be installed at every high point. Fire hydrants shall be spaced at
five-hundred-foot intervals and installed at the end of dead-end water
mains.
Pipes shall be laid with the top of the pipe
barrel at a minimum of four feet below the surface of the ground or
finished grade of roadway; and the trench shall conform to the AWWA
standard, Excavation and Preparation of Trench, Section 6.
Cast-iron pipes shall be laid as follows:
A.
All water mains shall be installed according to AWWA
standard for installation of cast-iron water mains.
B.
Suitable tools and appliances for the safe and convenient
handling and for the laying of pipe shall be used. Great care shall
be taken to prevent the tar coating from being damaged. All pipe and
fittings shall be carefully examined for defects, and no pipe or special
casting which is known to be defective shall be laid or placed. If
any defective pipe or special casting is discovered after being laid,
it shall be removed and replaced with a sound pipe or special casting.
The pipes shall be kept clean until they are accepted with the completed
work.
The open ends of all pipes and special castings
shall be plugged or otherwise closed to the approval of the inspector
before leaving the work for the night and for holidays or other times
of interruption of the work. All pipe ends which would otherwise be
left open at the end of the contract shall be provided with suitable
caps or plugs.
All new pipelines shall be tested before backfilling
in the presence of the inspector. For this purpose the contractor
shall furnish the necessary connection, gaskets, pump and fixings.
The hydrostatic test shall conform to AWWA standard (Section 13).
Backfilling shall conform to AWWA standard (Backfilling,
Section 14).
Hydrants shall be set exactly plumb and to the
depth intended by the manufacturer. They shall rest upon a selected
stone or block of concrete not less than 12 inches by 12 inches by
six inches, cushioned by a few inches of sand, and shall be similarly
backed up to prevent the likelihood of a joint's blowing out.
Hydrants shall be surrounded by at least five cubic feet of one-and-one-half-inch
crushed stone gravel. In excavations where drainage cannot be secured
in this way, other arrangements for drainage will be made. Each hydrant
shall be placed on a six-inch spur connection with the main and shall
be provided with an individual mechanical joint shutoff valve. Just
prior to the completion of the job, all hydrants shall be painted
with one coat of an approved paint. All hydrants shall be anchored
according to AWWA standard (Section 12).
All connections with the mains of the Town of
New Castle shall be made by the Water Department but at the expense
of the owner. The owner shall furnish such common labor and do and
perform such excavation, sheathing, pumping and related work as may
be directed. The owner shall, before the water is turned on, pay the
Water Department of the Town of New Castle the complete cost of all
labor and material, including any necessary tees, sleeves, cutting
in valves and other appliances and materials that may be necessary.
All taps and service connections will be installed
by the Water Department of the Town of New Castle at the expense of
the owner and in trenches to be excavated and backfilled by him.
All new water main construction shall be disinfected
according to AWWA C 601 standard.
