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HomeMy WebLinkAboutSD-22-10 - Supplemental - 0500 Old Farm Road (80)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 SD-22-10 O’Brien Eastview-Revisions Date: October 29, 2022 Submitted by Jay Nadeau, SBWD Director I have reviewed the proposed project Site and Utility plans relative to water infrastructure and developed the following comments. Given the size of this project and the site-specific comments, I plan to meet with the engineer to address these comments directly. All Sheets: 1. Curb stops must not be placed in driveways or sidewalks. 2. All gate valves located at tee’s shall be anchored to the tees in accordance with the CWD Specifications. 3. Transitioning from one pipe material to another must occur at a gate valve. 4. In-Line valves should be placed approximately 500’ from nearest valves. 5. All sheets need better identification of water main sizes and materials. 6. See CWD Specifications for pipe bedding requirements and include in the project details. Sheet: C-2: 1. The water line from Split Rock Ct. to Leo Lane will require a City ROW or easement if not already within a ROW or easement. 20’ centered on actual pipe location. Sheet C-3: 1. The water line from Leo Lane to Old Farm Road will require a City ROW or easement if not already within a ROW or easement. 20’ centered on actual pipe location. Sheet C-4 1. The water line from the stub to Leo Lane will require a City ROW or easement if not already within a ROW or easement. 20’ centered on actual pipe location. 2. Mabel Way-Is there a reason for the in-line valve location being located here? Transition of pipe materials? Sheet C-4 1. Add one gate valve at O’Brien Farm Road-Old Farm Road intersection for a total of five or move one valve from the “O’Brien Farm Rd east side. Discuss with engineer. Sheet C-6 1. The water line outside of the city street ROW will require a City ROW or easement if not already within a ROW or easement. 20’ centered on actual pipe location. Sheet C-7 1. Instead of tapping the main at Kimball Ave, a cut in tee with three (3) valves is preferred. SOUTH BURLINGTON WATER DEPARTMENT 403 Queen City Park Road South Burlington, VT 05403 Phone: (802) 864-4361 Fax: (802) 864-0435 www.sburl.com Sheet C-10 1. Add one gate valve at the Marble Way-Old Farm Road intersection. 2. Add an in-line valve near the dead-end street, or anchor to one side of the proposed tee. Discuss with engineer. Sheet C-11 1. Add one more gate valve at tee. 2. Install temporary blow-off at end of dead-end line. Move hydrant to intersection. Sheet C-12 1. Install in-line valve on Mabel Way near Sta 6+00. Discuss with engineer. Sheet C-14 1. Secure all valves to the anchor tee. 2. The water line outside of the city street ROW will require a City ROW or easement if not already within a ROW or easement. 20’ centered on actual pipe location. Sheet C-15 1. Move gate valve and reducer to 45-degree bends. 2. Transition pipe material at the gate valve. Sheet C-16 1. Instead of tapping the main at Kimball Ave, a cut in tee with three (3) valves is preferred. 2. Install an in-line valve approximately 500’ from nearest valves, or at 8” tee. Discuss with engineer. Sheet C-17 1. Install in-line valve near station 10+00. Discuss with engineer. Sheet C-18 1. Future line to Tilley Drive? 2. Install in-line valve near station 12+00. Discuss with engineer. Sheet D-3 1. Fire service mains should be Ductile Iron pipe. Sheet D-4 1. Separate box for PVC tracer wire. Tracer wire is not permitted to come up in gate valve box. See CWD Specifications. 2. #5: Nuts and bolts are to be Cor-Blue (or approved equal). See CWD Specifications. 3. Add PVC Pipe Specification language from CWD Specifications.