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HomeMy WebLinkAboutSD-23-05 - Supplemental - 0760 Shelburne Road (55)SOUTH BURLINGTON WATER DEPARTMENT 403 Queen City Park Road South Burlington, VT 05403 Phone: (802) 864-4361 Fax: (802) 864-0435 www.sburl.com SBWD Technical Review Comments SP-23-05 760 Shelburne Rd. Date: February 22, 2023 Submitted by: Jay Nadeau, SBWD Superintendent 1. The following note must be provided on all 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.” 2. 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 SBWD. 3. Ductile iron pipe shall comply with AWWA C151/ANSI A21.51. Ductile iron pipe shall be minimum thickness class 52. PVC water pipe shall comply with AWWA C900 with minimum Pressure Class 235, DR18 4. Mechanical joint restraints shall be either EBAA Iron MegaLug, Ford Uniflange Series 1400, Romac RomaGrip, or approved equal. 5. Gate valves shall be Mueller, Kennedy, AFC, M&H or approved equal on water distribution lines. 6. Gate valve boxes located in roadways or sidewalks shall have one non-adjustable paving riser of a height ranging from two-inches (2”) to four-inches (4”) as need to be brought to final pavement grade. 7. Curb boxes located in roadways or sidewalks shall be placed inside a gate valve box top section with cover and brought to final pavement/concrete grade with one non-adjustable paving riser per #10 above. 8. V-Bio polyethylene encasement is required for all ferrous material installations underground. This includes fittings for PVC and HDPE pipe. 9. Cor-Blue T-bolts and nuts are required for underground installations. 10. Tracer wire and termination box specifications are required for all plastic pipe. 11. The SBWD 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. SOUTH BURLINGTON WATER DEPARTMENT 403 Queen City Park Road South Burlington, VT 05403 Phone: (802) 864-4361 Fax: (802) 864-0435 www.sburl.com 12. Size on size direct taps are NOT allowed. The maximum branch size for a water main direct tap shall not be greater than one standard pipe diameter less than the water main size. 13. Stainless steel tapping sleeves shall be TPS Triple Tap or approved equal. Tapping valves shall only be performed by CWD approved contractors. 14. 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. 15. There is a significant amount of Asbestos Cement (AC) water pipe within the CWD owned and managed water systems. There are several regulations that affect work involving AC pipe. The Professional Engineer and Contractor shall be responsible for adhering to the “Vermont Regulations for Asbestos Control” for removal and disposal of AC pipe. Costs associated with all labor and materials to properly handle and dispose of existing AC pipe is the responsibility of the Contractor. 16. No parallel underground utility (ex. phone, electric, cable, gas) shall be designed or installed within four feet (4’) of the water lines from either side, or above the water lines from the bottom of the line to finish grade. Storm sewer and sanitary sewer separations are only as allowed in the CWD specifications and the VT Water Supply Rule. All projects that may cross or impact existing transmission or water distribution lines shall include the requirement to field verify all water associated infrastructure that may be impacted. 17. Connections will only be permitted between the hours of 7:00am and 3:00pm on regular Champlain Water District business days, except Fridays. All connections must be completed by 3:00pm; connections that cannot be completed by 3:00pm may be suspended and completed the following business day. A suspended tap may entail back filling the excavation until the following day. CWD personnel have the authority to suspend connections that they deem cannot be completed within the time period stated above. 18. 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 for water mains during the winter months except by special permission. 19. The applicant or project engineer shall be responsible for the submittal of test results to the SBWD. Submittal of all test results shall be required prior to the water main being placed into service. SOUTH BURLINGTON WATER DEPARTMENT 403 Queen City Park Road South Burlington, VT 05403 Phone: (802) 864-4361 Fax: (802) 864-0435 www.sburl.com 20. Record drawings, prepared by a VT licensed Professional Engineer shall be provided to the SBWD 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 Sheet C3-01. (See sheet C3-01) 1. The Swift St. water main is 8” AC according to CWD records. 2. Locate and abandon all three existing water services at the corporations. Close the corporations, disconnect the service lines, and wrap the service taps in V-Bio polyurethane. 3. The services to the proposed Financial Institution and Mixed Use buildings may have to be copper and DI if petroleum infused soils are encountered. See VT Water Supply Rule requirements. 4. The proposed taps for the Financial Institution and Mixed Use buildings shall be copper between corporation and curb stops. See CWD Specifications for tracing wire requirements for all PVC water pipe. 5. Tap the FS line to the Multifamily Residential building, outside the building with a separate domestic water line, properly sized to enter the building. Place the domestic water service curb stop in an acceptable location outside the building and install the curb box within a gate valve box with rider as needed. 6. The SBWD suggests that FS lines entering a building be DI. Sheet C8-04 1. Water Details must be those found in the CWD Specifications. The Department will not accept any pipe or material that is not in compliance with the CWD Specifications.