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SECTION 02518 <br /> PRIME AND TACK COATS FOR BASE COURSES <br /> PART 1 - GENERAL <br /> 1 . 1 SCOPE <br /> A . Furnish all materials , transportation , tools , labor and supervision necessary to apply <br /> bituminous material and all items called for that can be reasonably inferred from the <br /> Specifications and Drawings , including cleaning , applying prime or tack material , <br /> bituminous material , covering , and rolling for a complete job . If any items for a <br /> complete job are omitted or not shown , furnish and install the same without <br /> additional cost to the OWNER . <br /> PART 2 - PRODUCTS <br /> 2 . 1 PRODUCTS <br /> A . Use rapid curing liquid cut back asphalt equal to RC-70 or RC-250 . Prime and tack <br /> coats shall conform to Sections 300 and 916-2 of the DOT Standard Specifications <br /> for Road and Bridge Construction with the following deletions : ",The F= RgiReer will <br /> desegR to the aGt al temneFat ire to er, S „ re i inifnrm distrib Mien ,, from Paragraph <br /> 300-6 . 1 , General ; and "The F= Rg * neer will desigRate the nU RRg neried fer the + e+ nL• <br /> Goat . ” from Paragraph 300-7 . 5 , Curing and Time of Application . <br /> PART 3 - EXECUTION <br /> 3 . 1 CLEANING THE BASE <br /> A . Before any bituminous material is applied , remove to the shoulders all loose <br /> material , dust , caked clay , and foreign material that may prevent proper bonding of <br /> the bituminous material with the existing surface . Take particular care to clean the <br /> ' outer edges of the strip to be treated to insure that the tack coat will adhere . <br /> Remove all materials planed from the base area . Where the prime or tack coat is <br /> applied adjacent to curb and gutter' or valley gutter, such concrete surfaces are to <br /> be protected and kept free of bituminous material . <br /> 3 . 2 WEATHER LIMITATIONS <br /> 1 A . Do not apply bituminous material when the air temperature is less than 40 degrees <br /> Fahrenheit in the shade , when the weather conditions or the condition of the <br /> Last revised 2/26/02 02518- 1 EAST GIFFORD <br /> RIPublic Works\KeithM\Stormmoter Projects\Gifford East\construction Contract\Technical Specifications\Final Specifications\Division <br /> 2\02518 - Prime and Tack Coats for Base Courses.doc <br />