Granite Construction 5/14/2020 - Laserfiche WebLink

I 1 If, after planing a thin veneer layer remains, the contractor shall replane the roadway as 2 directed by the Engineer, paid under"Additional Planing Bituminous Pavement". The 3 Contractor shall adjust their schedule at no additional cost to the owner. 4 I 5 The planings shall become the property of the Contractor and shall be removed from the 6 right-of-way. The planings may be utilized as RAP, within the requirements of Section 5-04.2 7 or 9-03.21. The Contractor shall immediately dispose of all other debris resulting from the I 8 planing operation in a Contractor-provided site off the right-of-way. 9 10 Immediately after grinding, the Contractor shall construct an asphalt transition (temporary 11 paper joints or ramps), on all traveled ways, wheelchair ramps, and exposed manholes, 12 inlets, catch basins, monuments, valve boxes, and other structures on the street, regardless 13 of depth in grinding.Asphalt transition must be removed prior to overlay. Cast iron structures I14 15 left higher than 2" must be removed and steel plates installed to protect the opening and provide a suitable driving surface. 16 I 17 18 Sweeping of roadway surface shall immediately follow all grinding. Sweeping of roadway surface is required prior to tack placement and paving. 19 20 The road shall be overlayed within 3 working days after planing operation for streets I 21 without loops. On streets where loops will be replaced, the overlay shall be completed within 22 8 working days after planing operation. 23 I 24 Sweepers following the grinding work will not be paid separately, and is included in the bid 25 item "Planing Bituminous Pavement (2" Deep)", per square yard. 26 I 27 28 For mainline planing operations, the equipment shall have automatic controls, with sensors for either or both sides of the equipment. The controls shall be capable of sensing the proper 29 grade from an outside reference line, or a mat-referencing device. The automatic controls I 30 shall also be capable of maintaining the desired transverse slope. The transverse slope 31 controller shall be capable of maintaining the mandrel at the desired slope (expressed as a 32 percentage) within plus or minus 0.1 percent. I 33 34 Pre-level course is not anticipated on any of the selected streets. If, however, after plaining 35 operations, drivability issues cannot be resolved with 2" overlay, pre-level will be required as 36 directed and paid for by "HMA Class 1/2" PG 64-22", per ton. Contractor is strongly I37 encouraged to bid the work to cover their cost of pre-level operations. 38 I 39 5-04.3(14)A Paving and Planing Under Traffic 40 41 5-04.3(14)A1 General I 42 In addition the requirements of Section 1-07.23 and the traffic controls required in Section 1- 43 10, and unless the Contract specifies otherwise or the Engineer approves, the Contractor 44 must comply with the following: I45 46 1. Intersections: I 47 a. Keep intersections open to traffic at all times, except when paving or planing 48 operations through an intersection requires closure. Such closure must be kept to 49 the minimum time required to place and compact the HMA mixture, or plane as 50 appropriate. For paving, schedule such closure to individual lanes or portions I 51 thereof that allows the traffic volumes and schedule of traffic volumes required in 52 the approved traffic control plan. Schedule work so that adjacent intersections are I 2020 PAVEMENT MAINTENANCE OVERLAY PAGE 63 OF 79 SPECIAL PROVISIONS WORK ORDER 3727 FEBRUARY 20,2020