Allied Construction Associates Inc. 4/23/2021

CITY OF EVERETT SPECIAL PROVISIONS ' Prepare subgrade for driveways and having required compaction and providing a firm, unyielding subgrade acceptable to the Engineer. Provide forms for the straight sections of the driveway having a minimum thickness of three inches and equal to the nominal depth of the concrete. Plywood or one inch lumber may be used on radii. Securely stake and block all forms to true line and grade. ' Protect the driveway against damage or defacement until acceptance by Owner. Remove and replace by the Contractor at his expense driveways that are not acceptable, in the opinion of the Engineer, because of damage or defacement. ' Before placing any concrete, have on the job site enough protective paper, or equivalent, to cover the pour of an entire day in the event of rain or other unsuitable weather conditions. 8-06.4 Measurement ' Delete paragraphs in 8-06.4 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 and Section 1-09 MEASUREMENT AND PAYMENT of the ' Standard Specifications. 8-06.5 Payment ' Delete all paragraphs in 8-06.5 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 and Section 1-09 MEASUREMENT AND ' 8-14 PAYMENT of the Standard Specifications. CEMENT CONCRETE SIDEWALKS 8-14.2 Materials ' Supplement 8-14.2 by adding the following: Chemical Admixtures for Concrete 9-23.6 Special Provisions 8-14.3 Construction Requirements ' Supplement 8-14.3 by adding the following: Provide concrete mix with slump not exceeding 3-1/2 inches. ' Add coloring agent for matching the color of newly constructed cement concrete sidewalks to the color of adjacent existing cement concrete sidewalks. Add to the concrete during mixing in an amount not to exceed 1-1/2 pounds per cubic yard of concrete. Do NOT use coloring agent in ' curb ramps. 8-14.3(1) Excavation Supplement 8-14.3(1) by adding the following: Obtain approval of the Engineer to provide, place and compact Gravel Borrow meeting the requirements of 9-03.14 of the Standard Specification if there is insufficient suitable native material on the Project to fill low areas for the sidewalk subgrade. 8-14.3(2) Forms Supplement 8-14.3(2) by adding the following: Before setting the forms, grade the subgrade to two inches below established grade to ' accommodate two inches of crushed surfacing top course. Install sidewalk drains prior to placing forms if the Plans calls for sidewalk drains or the Engineer directs installation of sidewalk drains. 8-14.3(3) Placing and Finishing Concrete Supplement 8-14.3(3) by adding the following: ' SEI to SRI Intertie,SRO8 Rehab Division 8-MISC CONSTRUCTION WO No.-UP3714 SP-158 I