2003-118A.2 - Laserfiche WebLink

Home Browse Search

A . If required , a tack coat shall be applied per Section 02518 of these Specifications , " Prime and Tack Coats for Base Courses" . ' 3 . 3 PLACEMENT OF ASPHALTIC CONCRETE A . In addition to these Specifications , place the asphaltic concrete in accordance with Sections 330-3 through 330 - 14 inclusive , of the D . O . T . Specifications , with the following exceptions : 1 . Substitute " Resident Project Representative " for Engineer. 2 . Delete all phrases such as "when directed by the Engineer" that implicitly or explicitly indicate that the Engineer or Resident Project ' Representative shall have authority to supervise or direct performance of the work or authority to undertake responsibility contrary to the provisions of paragraph 9 . 13 or 9 . 14 of the "Standard General ' Conditions of the Construction Contract" . Be Uniformly lay the asphaltic concrete such that it will result in the compacted thickness shown on the Drawings . The temperature of the asphaltic concrete as it is being laid must be between 230 and 310 degrees Fahrenheit . The temperature of the material delivered to the job site shall be constant . No wide fluctuations of ' temperature of delivered material will be allowed . All asphaltic concrete which has a temperature less than 230 degrees Fahrenheit when delivered to the job site shall be rejected . Replace all rejected material with material meeting these Specifications , at no additional cost to the OWNER . C . Use self- propelled pavers , such as a Barber Green , that are capable of making a ' continuous 11 foot wide pull to apply the asphaltic concrete . The paver must have a disbursing hopper, a compacting device , and a heated screed which can be adjusted to produce the required pavement cross section . D . Immediately after spreading the asphaltic concrete , correct all deviations from the required cross section by placing additional material or by removing surplus material . Do this work while the mixture is still hot . 1 E . Begin rolling operations as soon as it is possible to roll the spread material without cracking the mat or having the mix adhere to the roller wheels . To prevent the mix from adhering to the roller, the wheels should be kept moist with only enough water I to avoid picking up the material . The longitudinal joint should be rolled immediately after the spreading operations . ' F . The asphaltic concrete surface shall be rolled by a " Rolling Train " , consisting of a steel wheel seal roller, a pneumatic tired traffic roller, and a steel wheel finish roller . All rollers shall be on the job from beginning to end of the paving work . ' Last revised 2/26/02 02520-2 EAST GIFFORD RIPublic WorksWeithM\stormveeter Projects\Gifford East\Construction Contract\Technical speci,cations\Fnal Specifications\Division 2\02520 - Asphaltic Concrete Pavement.doc