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1 Project: 112th St. SE Improvements(14th Ave SE to SR 52'x} <br /> Change Order No.4 <br /> Change Order Effective Date: January 21,2014 <br /> Bid Item A63—Pedestrian Handrail(Galvanized Steel). Modify bid item A63 entitled,"Pedestrian <br /> Handrail(Galvanized Steel)",at the agreed upon unit price of$83.00/LF,for a quantity increase of <br /> 75.50 LF of"Pedestrian Handrail(Galvanized Steely'for a total contract price increase of$6,266.50. <br /> The total net price increase cost as a result of adding 8 bid items and.modifying 5 bid items is an <br /> increase to the contract in the amount of$190,712.78. <br /> Exhibit B—Justification: <br /> Added Bid Items Schedule A and B. <br /> Justification for Bid Items A-99 through A-102 and B-39 through B-41. During construction, more <br /> than 125% of the plan quantity of work was required to completely construct the various <br /> improvements. Per WSDOT specification section 1-04.6,bid items that overrun the plan quantity by <br /> more than 25%are eligible for a renegotiated price based on actual costs of work performed. The new <br /> unit price for these bid items is the difference between the unit bid price and the actual cost to <br /> construct the improvement. <br /> Justification for Bid Item A-103. Bid Item A-103, Dual Faced Sloped Mountable Curb was needed, <br /> and therefore 220 lineal feet of this curb was added to the contract to provide a safety barrier <br /> separating east and west bound traffic near the intersection of Hwy 527 and 112th St SE. <br /> Modified Bid Items Schedule A <br /> Justification for Bid Items A-1 Minor Change and A-54 Existing Private Improvement Restoration. <br /> During construction,many and various items of work to completely and thoroughly construct the <br /> improvement are not easily identifiable nor are the costs to perform said activities known during <br /> design. As such during construction the improvement is completed and the costs are tracked and paid <br /> per WSDOT specification 1-09.6 on a daily basis. <br /> Justification for Bid Item A-16 Structure Excavation Including Haul, CL A. During construction <br /> measurements were taken to remove material to complete the designed improvement. Measurements <br /> proved an additional 601.10 cubic yards of material needed to be removed to construct the designed <br /> improvement <br /> Justification for Bid Item A-17 Gravel Borroww, Including Haul. During construction,greater amounts <br /> of unsuitable native material were encountered than what was originally anticipated, and therefore an <br /> imported gravel borrow was required to provide a suitable structural foundation and backfill. <br /> Page 5of6 <br /> 6 <br />