INTERWEST CONSTRUCTION INC 12/26/2018 Change Order 2

Project: Wetmore Avenue Stormwater Bypass Project J Yp J Change Order No.2 Change Order Effective Date: November 16, 2018 Total cost of modified bid items: $16,500.00 JUSTIFICATION Bid Item #A-2—Traffic Control Labor. This bid item overran plan quantity and is being modified to account for costs for additional traffic control labor quantities. New Item #A-103—Cement Concrete Pavement Removal, Including Haul and Disposal. The intersections of Wetmore Avenue and 35th Street and Rockefeller Avenue and 35th street contained cement concrete pavement under the existing asphalt, which was unknown at bid time. This new item is being added to account for costs to pay for the removal, haul, and disposal of cement concrete pavement at these intersections. Bid Item#A-104—Roadway Excavation, Including Haul and Disposal. Due to voids under the street, created from a past water main break,portions of 35th Street broke apart from the construction equipment activity, which led to more material to be hauled off than was accounted for in the original scope of work. This new item is being added to account for costs to remove, haul, and dispose of roadway material on 35th Street. New Item #A-105—Cement Concrete Curb Ramp. There were no provisions in the Contract to construct concrete curb ramps, but to maintain ADA compliance at the intersections of 35th Street and Rockefeller and at 35th Street and Wetmore, it became necessary to install curb ramps at these two intersections. This new item is being added to account for costs to install concrete curb ramps. New Item#A-106— Cement Concrete Pavement. The intersections of Wetmore Avenue and 35th Street and Rockefeller Avenue and 35th Street contained cement concrete pavement under the asphalt, which was unknown at bid time. This new item is being added to account for costs to pay for the replacement of cement concrete pavement at these intersections. Bid Item#A-107—Additional Cement Concrete Sidewalk. The combined sewer pipe trench collapsed on the south edge of the trench, due to voids caused by an abandoned wood stave water pipe and a past broken water pipe, making the trench wider than anticipated. This condition caused more concrete sidewalk to be removed than anticipated. This new item is being added to account for costs to pay for additional cement concrete sidewalk for all sidewalk quantities over 125%of plan quantity for bid item#A-25, as allowed by WSDOT Section 1-04. Total Cost of Change Order No. 2: $126,002.50 Contract Time: There are 15 working days being added to this Contract as part of Change Order No. 2. Page 4 of 4