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1 accordance with Section 5-01.3(11) and Section 6-09.3(5)C, and the Section 6-09.3(2) <br /> 2 Runoff Water Disposal Plan. <br /> 1 3 <br /> 4 6-09.3(5)B Testing of Hydro-Demolition and Shot Blasting Machines <br /> 5 This section's title is revised to read: <br /> 6 <br /> 7 Testing of Hydro-Demolition Machines <br /> 8 <br /> 9 The second paragraph is revised to read: <br /> 10 <br /> 11 In the "sound" area of concrete, the equipment shall be programmed to remove <br /> 12 concrete to the nominal scarification depth shown in the Plans with a single pass of the <br /> 13 machine. <br /> 14 <br /> 15 6-09.3(5)D Shot Blasting <br /> 16 This section, including title, is revised to read: <br /> 17 <br /> 18 6-09.3(5)D Vacant <br /> 19 <br /> 20 6-09.3(5)E Rotomilling <br /> 21 This section, including title, is revised to read: <br /> ' 22 <br /> 23 6-09.3(5)E Removing Existing Concrete Overlay Layer by Rotomilling <br /> 24 When the Contractor elects to remove the upper layer of existing concrete overlay, <br /> 25 when present, by rotomilling prior to final scarifying, the entire concrete surface of the <br /> 26 bridge deck shall be milled to remove the surface matrix to the depth specified in the <br /> 27 Plans with a tolerance as specified in Section 6-08.3(5)B. The operating parameters of <br /> 28 the rotary milling machine shall be monitored in order to prevent the unnecessary <br /> 29 removal of concrete below the specified removal depth. <br /> 30 <br /> ' 31 6-09.3(6) Further Deck Preparation <br /> 32 The first paragraph is revised to read:: <br /> 33 <br /> 34 Once the lane or strip being overlaid has been cleaned of debris from scarifying, the <br /> 35 Contractor, with the Engineer, shall perform a visual inspection of the scarified surface. <br /> 36 The Contractor shall mark those areas of the existing bridge deck that are authorized by <br /> 37 the Engineer for further deck preparation by the Contractor. <br /> 38 <br /> 39 Item number 4 of the second paragraph is deleted. <br /> 40 <br /> 1 41 The first sentence of the third paragraph is deleted. <br /> 42 <br /> 43 6-09.3(6)A Equipment for Further Deck Preparation <br /> 44 This section is revised to read: <br /> 45 <br /> 46 Further deck preparation shall be performed using either power driven hand tools <br /> 47 conforming to Section 6-09.3(1)A, or hydro-demolition machines conforming to Section <br /> 48 6-09.3(1)C. <br /> 49 <br /> 50 6-09.3(6)B Deck Repair Preparation <br /> 51 The second paragraph is deleted. <br /> 52 <br /> WEST MARINE VIEW DRIVE UTILITIES PAGE 22 OF 60 August 2018 <br /> WORK ORDER#3588 <br /> WSDOT AMENDMENTS Rev 4/2/18 <br />