Laserfiche WebLink
CITY OF EVERETT SPECIAL PROVISIONS <br /> <br />Beverly Lake Water Quality Retrofit Division 7 – STORM, SEWER, WATER August 2023 <br />WO No. - UPUP3745 SP – 185 <br />DIVISION 7 – DRAINAGE STRUCTURES, STORM SEWERS, SANITARY SEWERS, <br />WATER MAINS, AND CONDUITS <br />7-04 STORM SEWERS <br />7-04.1 Description <br />Revise the first paragraph in 7-04.1 to read as follows: <br />This Work consists of constructing storm sewers to lines and grades as shown on the <br />Plans and in accordance with COE Standard Drawings, the Standard Specifications and <br />these Special Provisions. <br />Supplement 7-04.1 as follows: <br />7-04.1(1) Submittals <br />(******) <br />Provide Type 2 Working Drawings for all materials and Standard Plans. <br /> <br />7-04.2 Materials <br />Delete the first and second paragraphs in 7-04.2 and substitute the following: <br />Materials shall meet the requirements of the following sections: <br />Reinforced Concrete Storm Sewer 9-05.7(2) Standard Specifications <br />Pipe <br />Concrete Storm Sewer 9-05.7(3) Standard Specifications <br />Pipe Joints <br />Solid Wall PVC Storm Sewer Pipe 9-05.12(1) Special Provisions <br />& Joints <br />Profile Wall PVC Storm Sewer Pipe 9-05.12(2) Standard Specifications <br />& Joints <br />Corrugated Polyethylene Storm 9-05.20 Standard Specifications <br />Sewer Pipe & Joints <br />Steel Rib Reinforced Polyethylene Storm Sewer Pipe 9-05.22 <br /> Standard Specifications <br />High-Density Polyethylene (HDPE) Pipe 9-05.23 Standard <br />Specifications <br />Polypropylene Storm Sewer Pipe 9-05.24 Standard <br />Specifications <br /> <br />Revise the last paragraph in 7-04.2 to read as follows: <br />When schedule A or B storm sewer pipe is specified in the Plans, provide the specified <br />schedule and diameter of either concrete, PVC, or PE/PP materials shown in the Storm <br />Sewer Pipe Schedules Table. Where indicated in the plans pipes identified as ‘_” <br />SD’ shall be interpreted as Schedule A storm sewer pipe of the same diameter. <br />Contact the Olympia Service Center Materials Laboratory to determine if joints have <br />been approved for pipe diameters larger than those listed. <br />On the web at: http://www.wsdot.wa.gov/biz/mats/QPL/QPl.cfm <br />Or by mail at: <br />· P.O. Box 167 <br />· Olympia, WA 98507-0167 <br />· (360) 709-5442 <br />7-04.4 Measurement <br />Delete the first paragraph of 7-04.4 and substitute the following: