HomeMy WebLinkAboutSP-24-20 - Supplemental - 0200 da Vinci Drive (27)
SOUTH BURLINGTON
WATER DEPARTMENT
SBWD Technical Review Comments SP-24-20, 200 Davinci Dr, BSD Aviation Tech.
Date: May 24, 2024
Submitted by Jay Nadeau, SBWD Superintendent The following note must be provided on all utility plan sheets and detail pages: All water lines and
appurtenances shall be installed in accordance with the Champlain Water District Specifications and Details for the Installation of Water Lines and Appurtenances, current edition, henceforth CWD Specifications.” 1. The project shall be constructed, completed, maintained, and operated in accordance with the approved plans. No changes shall be made in the project without the written approval of the appropriate
CWD Division.
2. All Ductile Iron pipe, hydrant barrel, and fittings for new water lines and appurtenances shall be
installed with V-Bio Enhanced Polyethylene Pipe encasement. See CWD Specifications for details.
3. V-Bio polyethylene encasement is required for all ferrous material installations underground. This includes fittings for PVC and HDPE pipe.
4. Cor-Blue T-bolts and nuts are required for underground installations.
5. The appropriate CWD Division shall be notified in advance to inspect all mechanical joint fittings, main line taps, appurtenances, thrust blocks, and water line crossings prior to occurrence of
back filling.
6. Fire Hydrants shall be Kennedy K-81 D or Waterous Pacer and shall conform to AWWA C502. Note: Waterous Pacer hydrants shall be installed with a Boston Operating Nut.
7. 4” Storz pumper nozzle connections are required on hydrants. Spring loaded hydrant flags and Storz connections shall be installed before new lines are turned on by the Department.
8. Concrete thrust blocks shall be installed on caps, tees, hydrants and bends of 22.5 degrees and greater. Thrust blocks shall be used in conjunction with “Mega-Lug” restraining glands or approved
equal. Poured in place thrust blocks shall be neatly formed with wooden side forms against undisturbed
soil.
SOUTH BURLINGTON
WATER DEPARTMENT
9. No water lines shall be installed after November 15 or before April 1 without prior approval of the appropriate CWD Division. The appropriate CWD Division may restrict work before November 15 and after April 1 during adverse weather conditions. CWD does not allow excavating water mains or service lines during the winter months except by special permission.
10. Record drawings, prepared by a VT licensed Professional Engineer shall be provided to the
appropriate CWD Division in pdf. and Auto-CAD format. Drawings shall include ties to all gate valves and
curb stops to sub-meter accuracy.
It is the responsibility of the contractor to be familiar with the CWD Specifications beyond what is included in this information. The Champlain Water District Specifications and Detail for the Installation of Water Lines and Appurtenances information can be found at www.champlainwater.org
Plan Specific Comments:
Drawing Number: UT-01 1. The fire hydrant being removed shall be shut off at the isolation valve, the hydrant lead cut, and a cap installed with pre-cast thrust block. The valve and lower section of the valve box shall be filled and buried,
after the location of each are surveyed and mapped.
2. The new fire hydrant and tap shall be installed in accordance with the CWD Specifications.
3. An approved backflow device shall be installed on the incoming water line based upon the degree of
hazard within the building.
4. All water infrastructure on this property shall remain private and shall be considered private and subject to conditions set forth in the City of South Burlington Water Ordinance..