6920 SEAWAY BLVD 2018-01-01 MF Import

3.03 INSTALLATION In addition to the stnndard requirements, th� esphali concrete poving machine shall be equipped with automatic screed conirols wiTh sensors for either or both sides of ihe paver, capable of sensing grade from an inside reference line such as a ski, sensing ihe transverse slope of the screed, and providing the elecirical signals which �perate ihe screed to maintain the desired grade <ind transverse slope. The grade coniroller or sensor shall be consiructed so iT may be fitted with a ski-like :,hoe to ride on ihe adjacent mat or ihe concrete gutter. The slope coniroller shall be capable of mainTaining ihe screed at ihe desired transverse slope within plus/minus one-tenih percent (0.1°6) in a tweive Toot (12') widih. An asphalt tack coaT (SS-I) shall be placed in accordance with Section 34 of APWA Standard Specifications. The tack coat shall be applied to all existing pavement surfaces, asphalt or concrete and between successive layers of Asphaltic Concrete Pavemeni. 3.04 PHASE II CONSTRUCTION Place and compact ihe asphalt treated base (ATB) in all paved areas and the building footprint, to ihe thicknesses specified. The Closs "B" wearing course shall be placed in a future coniract for ihe new roads and parking areas. The Contractor shail construct temporary "ramps" at the connections to the existing road norih of the existing building. The extension of the exisSi,ig parking areo north of The existing building shall be paved under this contract with 2 inches of Class "B" A.C. over 3 inches of ATB (min.) over 6 inches of free draining material. The (_ontractor shall place ATB over ihe existing pavement as required to raise the surface grades, within 2 inches of the final grade for the Class "� wearing course. . + . . k 02513-2 � 9 8301