New sanitary sewers and all extensions to sanitary sewers owned
and operated by the Village shall be designed by a professional licensed
to practice sewer design in the state in accordance with the Recommended
Standards for Sewage Works, as adopted by the Great Lakes — Upper
Mississippi River Board of State Sanitary Engineers (Ten State Standards),
and in strict conformance with all requirements of the NYSDEC. Plans
and specifications shall be submitted to and written approval shall
be obtained from the Superintendent or Village Engineer, the Orange
County Health Department and the NYSDEC before initiating any construction.
The design shall anticipate and allow for flows from all possible
future extensions or developments within the immediate drainage area.
Plans, specifications and methods of installation shall conform to the requirements of this article. Components and materials of wastewater facilities not covered in this Part
1, such as pumping stations, lift stations or force mains, shall be designed in accordance with §
95-15 and shall be clearly shown and detailed on the plans and specifications submitted for approval. Additional force main details are covered in §
95-20. When requested, the applicant shall submit to the Superintendent or Village Engineer and to the Orange County Health Department or NYSDEC all design calculations and other pertinent data to supplement review of the plans and specifications. Results of manufacturer's tests on each lot of pipe delivered to the job site shall also be furnished, upon request.
Force mains serving sewage lifting devices, such as grinder pumps and pump stations, shall be designed in accordance with §
95-15. Additional design requirements are as follows:
A. Trenching, bedding and backfilling shall be in accordance with §
95-18C.
B. Drain valves shall be placed at low points.
C. Automatic air-relief valves shall be placed at high points and at
four-hundred-foot intervals on level force main runs.
D. Air-relief and drain valves shall be suitably protected from freezing.
E. When the daily average design detention time in the force main exceeds
20 minutes, the manhole and sewer line receiving the force main discharge
or the sewage shall be treated so that corrosion of the manhole and
the exiting line are prevented. The corrosion is caused by sulfuric
acid biochemically produced from hydrogen sulfide anaerobically produced
in the force main.
All sanitary sewers and extensions to sanitary sewers constructed
at the applicant's expense, after final approval and acceptance by
the Superintendent and concurrence by the Village Board, shall become
the property of the Village and shall thereafter be operated and maintained
by the Village. Said sewers, after their acceptance by the Village,
shall be guaranteed against defects in materials or workmanship for
one year by the applicant. The guaranty shall be in such form and
contain such provision as deemed necessary by the Village Board, secured
by a surety bond or such other security as the Village Board may approve.