Res 2024-219 approving an On-Call Agreement with Tetra Tech, Inc., for engineering design, bid and construction phase services for the Wallace Addition Subdivision Improvements Project, in an amount not to exceed $2,000,000.00

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Docusign Envelope ID: BB27E2CA-90E7-44DF-ACD6-60284C2E92F6 ATTACHMENT A CITY OF SAN MARCOS WALLACE ADDITION SUBDIVISION IMPROVEMENTS SCOPE OF SERVICES • Utility Conflict Matrix and Layout Plans: Estimated number of Sheets—four (4). • Storm Water Pollution and Prevention Plan (SW3P): Estimated Number of Sheets -eight (8). • Cross Sections Sheet: Estimated number of Sheets—ten (10) • List of Standard Details: City of San Marcos details will be used. • Geographic Information System (GIS) Submittal: As per Plan Review Checklist. • Hydrologic Calculations and Drainage Area Map. • List of Standard Specifications: City of San Marcos Division 1 specifications will be used. City of Austin standard specifications will be used. • Engineer's Opinion of Probable Construction Costs (OPCC)—Class 2 Standard. • Construction Project Schedule: Consultant will develop a Construction Schedule for the project consisting of design, bid and construction phases. The schedule will be updated during subsequent design phases. Prepare 90% project manual, including contracting documents, list of standard specifications, general provisions, special specifications and any other necessary documents. Technical specifications will reference City of San Marcos Construction Specifications and Standards. For items not covered by the standards, a special project specification will be prepared for inclusion in the project manual. • Engineer's OPCC Class 1 Standard. • Construction Project Schedule: Consultant will develop a Construction Schedule for the project consisting of design, bid and construction phases. The schedule will be updated in subsequent design submittals. e. 90% Comment Response Letter. After 90% deliverable review, the Consultant will document all City review comments and document how each comment was addressed and incorporated into the 99% deliverable. f. 99% Design Phase: Consultant will provide two (2) unsealed hard copies of 11"x 17" plan sets and one (1) pdf electronic copy. The plan set will also contain the following: • Cover Sheet: Estimated Number of Sheets—one (1). • General Notes Sheet: Estimated Number of Sheets—one (1) • Quantity Sheet: Consultant will provide a quantity table that includes individual sheet quantities and the overall project quantities. Estimated Number of Sheets —one (1) • Project Layout& Survey Sheet: Consultant will provide a layout of the project with plan sheet references. Estimated Number of Sheets (2). • Typical Cross-Section Sheets: Estimated Number of Sheets—two (2). • Tree Mitigation & Preservation Sheets (if required or shown on erosion and sedimentation controls sheet, to include tree table and survey, tree removal and installation plan with irrigation)— Estimated Number of Sheets—four(4). • Erosion & Sedimentation Controls- Estimated Number of Sheets—two (2). • Construction Phasing (Traffic Control Narrative) Sheets: Estimated Number of Sheets—three (3). • Traffic Control Plan (Detailed Version): Estimated Number of Sheets-three (3). • Removal Plan (if required): Estimated Number of Sheets—two (2). • Streets, Driveways, and Sidewalks Plan and Profile Sheets: Estimated Number of Sheets—fifteen (15). • Grading Plans for Intersections: Estimated Number of Sheets—ten (10). • Pavement Markings & Signage Plans: Estimated Number of Sheets—fifteen (15). • Drainage Improvements Plan and Profile Sheets: Estimated Number of Sheets— eight (8). 9