KLB Construction Inc 11/20/2018 - Laserfiche WebLink

1 2 5-06.1 Description 3 This Work shall consist of the reconstruction and patching of trenches and other excavations ' 4 in paved streets and other paved areas. 5 6 5-06.2 Materials ' 7 Provide materials conforming to the requirements specified for the materials in Sections 5- 8 04 & 5-05 of the Standard Specifications except as modified by these Special Provisions. 9 10 For HMA pavement patching provide HMA CL 1/2", PG 64-22 as specified in Section 5-04 of 11 the Standard Specifications. 12 13 Provide asphalt for temporary pavement patch as either: cold mix asphalt (MC 250) per 14 Section 9-02 of the Standard Specifications or hot mix asphalt (HMA CL 1/2", PG 64-22). 15 Mineral aggregate of MC 250 shall meet the same requirements as the aggregates used in 16 HMA CL 1/2", PG 64-22. 17 18 For cement concrete base pavement patching provide Type III (H.E.S.) with minimum 4,000 19 psi 28-day compressive strength and having curing time of five days. 20 For cement concrete surface pavement patchingProvide concrete mix design in accordance 21 with 5-05.3(1) Concrete Mix Design for Paving of the Standard Specifications. 22 '23 Provide crushed surfacing top course used for pavement patching conforming to the 24 requirements of 9-03.9(3) of the Standard Specifications. 25 26 5-06.3 Construction Requirements 27 5-06.3(1) General 28 Schedule pavement patching to accommodate the demands of traffic and perform as rapidly 29 as possible to provide maximum safety and convenience to public traffic. 3n 31 Placing and compact the trench backfill and the preparation and compaction of the subgrade 32 in accordance with the various applicable sections of the Standard Specifications except as 33 modified by these Special Provisions. 34 35 Before the pavement patch is to be constructed saw cut the pavement so that the marginal 36 edges of the patch will form a rectangular shape with straight edges and vertical faces. 37 Provide signs, barricades, lights and other warning devices in accordance with the 38 requirements of the "Manual on Uniform Traffic Control Devices" and they maintain 24-hours 39 a day until the patching work is completed and ready for traffic. 40 41 Complete subgrade compaction prior to the required patching. Compact subgrade to 95- 42 percent as determined by the ASTM D2922 (nuclear method). 43 44 5-06.3(2) Cement Concrete Pavement Patch 45 Place cement concrete pavement in accordance with 5-05.3 of the Standard Specifications 46 and these Special Provisions after the Crushed Surfacing Top Course subgrade for the 47 pavement has been constructed and compacted to line and grade. 48 Perform all Work accordance with Section 5-05 of the Standard Specifications, except as 49 modified by these Special Provisions and Standard Drawing No. 326. 50 WEST MARINE VIEW DRIVE UTILITIES PAGE 89 OF 117 August 2018 WORK ORDER#3588 SPECIAL PROVISIONS