R L Alia Company 12/7/2020 - Laserfiche WebLink

CITY OF EVERETT SPECIAL PROVISIONS DIVISION 7 — DRAINAGE STRUCTURES, STORM SEWERS, SANITARY SEWERS, WATER MAINS, AND CONDUITS 7-01 DRAINS Delete section 7-01 and replace with the following: All storm drain pipe shall be provided and constructed in accordance with section 7-04 and 7-08. 7-04 STORM SEWERS 7-04.1 Description Revise the first paragraph in 7-04.1 to read as follows: This Work consists of constructing storm sewers to lines and grades as shown on the Plans and in accordance with COE Standard Drawings, the Standard Specifications and these Special Provisions. Supplement 7-04.1 as follows: 7-04.1(1) Submittals Provide Type 2 Working Drawings for all materials and Standard Plans. 7-04.2 Materials Delete the first and second paragraphs in 7-04.2 and substitute the following: Materials shall meet the requirements of the following sections: Solid Wall PVC Storm Sewer Pipe 9-05.12(1) Special Provisions (Allowed only where 3 feet of cover, minimum, is provided) Ductile Iron Pipe 9-05.13 Special Provisions Corrugated Polyethylene Storm Sewer 9-05.20 Special Provisions Pipe, Couplings, and Fittings Corrugated Polypropylene Storm Sewer Pipe 9-05.24 Special Provisions Revise the last paragraph in 7-04.2 to read as follows: Unless pipe material is specified in the Plans, provide the specified schedule and diameter of either Ductile Iron (DI), Solid Wall PVC (PVC), Polyethylene (PE), or Polypropylene (PP) materials as listed above. Contact the Olympia Service Center Materials Laboratory to determine if joints have been approved for pipe diameters larger than those listed. On the web at: http://www.wsdot.wa.gov/biz/mats/QPL/QPI.cfm Or by mail at: P.O. Box 167 Olympia, WA 98507-0167 (360) 709-5442 7-04.3 Construction Requirements Add the following: 7-04.3(1)G Cleaning and Testing Jackson Park Area Stormwater Separation September 2020 WO No. - UP3703 Division 7—STORM, SEWER,WATER SP-153