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

CITY OF EVERETT SPECIAL PROVISIONS 7-05.3(5) Furnish and Install Solid Cover for Catch Basins Provide new solid covers on existing catch basins where shown on the Plans. Provide solid covers conforming to 9-05.15 of the Standard Specifications, 9- 05.15(1) of these Special Provisions, and to COE Standard Drawing No. 410 for Type 1 and 1L Catch Basins and COE Standard Drawing 610 for Type 2 Catch Basins. 7-05.4 Measurement Delete all paragraphs of 7-05.4 and substitute the following: Bid items of Work completed pursuant to the Contract Documents will be measured as described in Division B — Bid Item Descriptions of these Special Provisions and Section 1-09 MEASUREMENT AND PAYMENT of the Standard Specifications. 7-05.5 Payment Delete all paragraphs of 7-05.5 and substitute the following: Payment for bid items of Work completed pursuant to the Contract Documents will be as described in Division B — Bid Item Descriptions of these Special Provisions and Section 1-09 MEASUREMENT AND PAYMENT of the Standard Specifications. 7-06 STORM WATER QUALITY TREATMENT STRUCTURES (******) 7-06.1 Description This Work consists of furnishing and installing Bypass Structure(s), Vortex Pretreatment device(s) and Stormwater Biofiltration System of the size and model specified and in accordance with the configuration and location shown on the Plans and these Special Provisions. 7-06.1(1) Water Quality Treatment Units Bypass Structure Type-C The Bypass Structures Type-C shall be fabricated in accordance with the Drawings, applicable Standard Drawings and the requirements of the Design and Construction Standards and Specifications. The device includes a standard Type 2 catchbasin containing fabricated flow control risers. Vortex Pretreatment Device The Vortex Pretreatment device shall be: CDS® device manufactured by Contech Engineered Solutions LLC, of type and configuration indicated in the Drawings, or approved equal. Stormwater Biofiltration System The manufacturer of the stormwater quality treatment structure shall be one that is regularly engaged in the engineering design and production of systems deployed for the treatment of storm water runoff for at least five (5) years and which have a history of successful production, acceptable to the Engineer. The manufacturer shall guarantee the stormwater quality treatment unit components against all manufacturer originated defects in materials or workmanship for a minimum period of twelve (12) months from the date the components are delivered to the owner for installation. The manufacturer shall upon its determination repair, correct or replace any manufacturer originated defects advised in writing to the manufacturer within the referenced warranty period. Jackson Park Area Stormwater Separation September 2020 WO No. -UP3703 Division 7—STORM, SEWER,WATER SP-157