Laserfiche WebLink
City of Tukwila My WebLink |HelpSearch Tips |About |Sign Out
Exhibit A-1 Scope of Work <br />Continued <br />task is increased to include one round of comment response for the JARPA and one round of <br />comment response for the WSDOT General Permit. <br />Task 5 — Final Design <br />5.1 Final Design and Plan Sheets <br />4 Creek Grading, Trail Restoration, and Bank Armoring Design <br />The scope for this task is increased to include final design of the following elements: <br />1. Revised channel alignment and section to allow 2:1 channel side slopes. <br />2. Revised bridge location and existing concrete wall demo and tie-in extents to align with <br />revised channel location. <br />3. Additional row of tie -back anchors in the lower portion of the existing sheet pile wall. <br />4. Revised construction sequencing shown in the plans to reduce the potential for in -water <br />work and to minimize sediment mobilization during culvert removal and channel grading <br />activities. <br />6 Retaining Wall Design (3 sheets) <br />This scope is increased to include final design of a solider pile wall east of the proposed channel <br />with greater vertical and horizontal extents. <br />5.2 Specifications <br />Otak will provide final bid -ready General Special Provisions (GSP) and project -specific Special <br />Provisions for Divisions 2 — 9, excluding the landscape and planting Special Provisions to be <br />prepared by the City per Amendment No. 1 scope. <br />Per Amendment No. 1 scope, The City will prepare Division 1 of the Specifications and compile the <br />master Contract Manual including all Contract and Bid Forms, Amendments to the WSDOT <br />Standard Specifications, and Appendices. The City will incorporate Special Provisions provided by <br />Otak. <br />5.3 Construction Cost Estimates <br />Otak will prepare a final Engineer's Estimate for construction. <br />W:\PW Eng\ OTHER \ Mike Perfetti\ temp \ Riverton Creek Plapgate\Riverton SOW_Amend 2_18_0807.docx 3 37 <br />