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:K:ITTIT.A.S COUNTY <br />DEPARTMENT OF PUBLIC WORKS <br />a. Alternative Analysis Memo comparing culvert alternatives <br />b. Structural design will include conceptual-level design of 4-sided concrete culvert (check <br />geotechnical soil capacity, approximate slab and wall thickness for layout) <br />c . Culvert Plan Sheets <br />1. Cover sheet support <br />11. General notes , quantities coordination <br />111. Bridge plan and elevation (4-sided culvert) <br />1v. Structural notes <br />v. Wingwall Layout <br />vi . Culvert Railing Details <br />d. Structural Special Provisions <br />e . Quantities and Estimated Construction Costs for Culvert (Structural) Plan Sheets <br />f . Plan and Calculation Quality Control Checks and Reviews <br />g. Deliverable Preparation (60%, 100%) <br />h . Technical collaboration (Survey, civil , Geotech , Hydraulics, Environmental <br />4 . Deliverables <br />a. Alternatives Analysis Memo <br />b. 60% Plan Set (4-6 sheets , updated cost estimate, GSP run-list, 30% comment resolution) <br />c. 100% Draft Plans ( 4-6 sheets, updated cost estimate , PDF of GSP 's or run-list and PSE <br />files , pending final review by County . 60% comment resolution and complete PS&E.) <br />d . 100% Stamped and Signed Plans (Stamped and Signed Contract Documents -bid ready) <br />Task 07 -Right of Way <br />No changes to the original Task Order. <br />Task 08 -Civil, Plans, and MOT Assistance <br />Task 08 is amended as follows: <br />1. Roadway Design Services <br />a . Coordinate with COUNTY and subconsultant team to incorporate Structures, Right of <br />Way, and Hydraulic design elements into the Project Design File. <br />b . Develop a preliminary Basis of Design Memo including project criteria, existing and <br />proposed geometrics , project constraints, design speed, clear zone, design elements, <br />design variances, design decisions, drainage design , stormwater evaluation ; <br />environmental permits , right-of-way, hydraulics , maintenance of traffic (MOT), <br />maintenance concerns, and any outstanding issues to be resolved. Some of these <br />elements may not be applicable for this project. <br />c. Develop the Project Des ign File . <br />d. Develop a 30% Design plan set with existing and proposed horizontal and vertical <br />roadway centerline alignments for review by the COUNTY. <br />e. Develop a 60% progress set of plans for an over-the-shoulder review with the COUNTY. <br />This progress report will include a preliminary cost estimate. <br />f. Prepare 90% contract plan set which will include: <br />1. Horizontal and Vertical Alignment, including walls as necessary <br />11. Typical Sections <br />111. Site Prep Plan s <br />1v. Grading Plans