All water services shall be equipped with backwater valves, whether
installed in the building service before the meter or after the meter, but
before any subsequent interior pipe branches or fixture units, and be of a
type approved by the Town of Milton Engineer.
[Amended 3-19-1997 by L.L. No. 5-1997]
A. All water services 3/4, one, 1 1/2 and two inches
in diameter shall be made with copper service pipe. All copper service pipe
shall be soft temper Type K seamless copper tubing conforming to ASTM Specification
B88-81 and Federal Specification WWT-799. Copper service pipe shall have the
following dimensions and weights:
|
Nominal Pipe Size
(inches)
|
Outside Diameter
(inches)
|
Weight per Foot
(pounds)
|
---|
|
3/4
|
0.875
|
0.641
|
|
1
|
1.125
|
0.839
|
|
11/2
|
1.625
|
1.360
|
|
2
|
2.125
|
2.060
|
|
NOTE: Services exceeding 75 feet in length shall be a minimum one inch
in diameter as measured from the water main.
|
B. Fittings for three-fourths-inch and one-inch copper service
pipe shall have compressor fittings. Three-part unions for copper to copper
shall be Mueller H-15400 or Hays 5615. Other fittings shall be Mueller or
Hays items of the same series, or approved equal.
C. Fittings for one-and-one-half-inch and two-inch copper
service pipe shall have compression-type connections. Three-part unions for
copper to copper shall be Mueller H-15403 110 Compression Connections or Hays
5615 CF Haystite connections. Other fittings as required shall be Mueller
or Hays items of the same series, or approved equal.
[Amended 3-19-1997 by L.L. No. 5-1997]
Connections to existing systems shall be reviewed and approved on an
individual basis by the Code Enforcement Officer. In general, connections
shall be made with a minimum of or no disruption to water service in the existing
system.
At times when pipe laying is not actually in progress, the open ends
of the pipes shall be closed temporarily with pipe plugs or by other means.
If water is in the trench when work is resumed, the trench shall be dewatered
and the plugs shall not be removed until all danger of water entering the
pipe is past.
[Amended 3-19-1997 by L.L. No. 5-1997]
At the conclusion of the work, the contractor shall thoroughly clean
all new pipes by flushing them with water or other means to remove all dirt,
stones, pieces of wood, etc., which may have entered during the construction
period. If, after this cleaning, any obstructions remain, they shall be removed
to the satisfaction of the Town of Milton Engineer and the Code Enforcement
Officer. Pipes shall be flushed at a rate of 2.5 feet per second (fps) for
a duration suitable to the Town of Milton Engineer and to the Code Enforcement
Officer. The rates of flow required to produce 2.5 feet per second flushing
velocity in different sizes of pipe are as shown in the following table:
Pipe Size
(inches)
|
Flow Required to Produce 2.5 fps Velocity
(gallons per minute)
|
Hydrant Opening Required at 40 psi Residual
|
---|
4
|
100
|
One-2 1/2"
|
6
|
220
|
One-2 1/2"
|
8
|
390
|
One-2 1/2"
|
12
|
880
|
One-2 1/2"
|
[Amended 3-19-1997 by L.L. No. 5-1997]
A. Unless specifically approved by the Code Enforcement
Officer, no water distribution system installation and construction shall
take place during the winter months from November 1 through April 1.
[Amended 3-19-1997 by L.L. No. 5-1997]
A. At the conclusion of the water system installation, the
Town of Milton Engineer shall prepare detailed record maps of the completed
water distribution system. These records maps shall be of a form acceptable
to the Code Enforcement Officer. The Town of Milton Engineer shall furnish
at least three complete sets of twenty-two-by-thirty-four-inch prints of these
record drawings to the Code Enforcement Officer.
B. Also, at the conclusion of the water system installation,
the Town of Milton Engineer is required to furnish to the Code Enforcement
Officer an engineer's certification stating that the water system is complete
and was installed in accordance with the previously submitted and approved
plans and specifications. The Town of Milton will submit a copy of the Town
of Milton Engineer's certification and a copy of the laboratory bacteriological
analysis to the Saratoga Health Department.
[Amended 3-19-1997 by L.L. No. 5-1997]
A. All installation and construction of all water mains
and services installed in public or private property that are connected directly
or indirectly within the Town of Milton system shall be subject to the control
of the Code Enforcement Officer.
B. Operation of all valves and hydrants under pressure shall
be done only by representatives of the Town of Milton or by such responsible
person approved by the Code Enforcement Officer.
C. The Code Enforcement Officer shall be notified at least
24 hours prior to the start of making connections to the existing systems.
Also, the Code Enforcement Officer shall be notified at least 24 hours prior
to the start of pressure testing, leakage testing and/or sterilization.
D. The Code Enforcement Officer will not authorize any meter
installations in any subdivision prior to receiving record drawings and certifications.
Minimum working pressure (the pressure under all conditions except fire
flows) for potable water systems within the Town shall be 35 psi.