Granite Construction Company 5/1/2018

1 The water shall be discharged to a stabilized conveyance, sediment trap, stormwater i 2 pond, rock splash pad, or vegetated strip, in a manner to prevent erosion and maintain 3 water quality compliance. 4 5 The last paragraph is deleted. 6 7 8-01.3(15) Maintenance 8 This section is revised to read: 9 10 Erosion and sediment control BMPs shall be maintained or adaptively managed as 11 required by the CSWGP until the Engineer determines they are no longer needed. 12 When deficiencies in functional performance are identified, the deficiencies shall be 13 rectified immediately. 14 15 The BMPs shall be inspected on the schedule outlined in Section 8-01.3(1)B for 16 damage and sediment deposits. Damage to or undercutting of BMPs shall be repaired 17 immediately. 18 19 In areas where the Contractor's activities have compromised the erosion control 20 functions of the existing grasses, the Contractor shall overseed at no additional cost to 21 the Contracting Agency. 22 23 The quarry spalls of construction entrances shall be refreshed, replaced, or screened to 24 maintain voids between the spalls for collecting mud and dirt. 25 26 Unless otherwise specified, when the depth of accumulated sediment and 27 debris reaches approximately '/3 the height of the BMP the deposits shall be removed. 28 Debris or contaminated sediment shall be disposed of in accordance with Section 2- 29 03.3(7)C. Clean sediments may be stabilized on-site using BMPs as allowed by the 30 Engineer. 31 32 8-01.3(16) Removal 33 This section is revised to read: 34 35 The Contractor shall remove all temporary BMPs, all associated hardware and 36 associated accumulated sediment deposition from the project limits prior to Physical 37 Completion unless otherwise allowed by the Engineer. When the temporary BMP 38 materials are made of natural plant fibers unaltered by synthetic materials the Engineer 39 may allow leaving the BMP in place. 40 41 The Contractor shall remove BMPs and associated hardware in a way that minimizes I 42 soil disturbance. The Contractor shall permanently stabilize all bare and disturbed soil 43 after removal of BMPs. If the installation and use of the erosion control BMPs have 44 compacted or otherwise rendered the soil inhospitable to plant growth, such as 45 construction entrances, the Contractor shall take measures to rehabilitate the soil to 46 facilitate plant growth. This may include, but is not limited to, ripping the soil, 47 incorporating soil amendments, or seeding with the specified seed. 48 49 At the request of the Contractor and at the sole discretion of the Engineer the CSWGP 50 may be transferred back to the Contracting Agency. Approval of the Transfer of 51 Coverage request will require the following: 52 53 1. All other Work required for Contract Completion has been completed. 54 HOT MIX ASPHALT OVERLAY-2018 PAGE 32 OF 53 March 6,2018 WORK ORDER#3667 AMENDMENTS TO STANDARD PROVISIONS