Item 21 - Agreements for On -Call Landscape Architectural Services

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Proposal to provide On -Call Landscape Architectural Services — RFP No. 22-097 Task 7 - Utility Improvement Plan DEA will prepare a 1 "=20'scale utility improvement plan (1-sheet) for approximately 1 00-linear feet of domestic water and sewer line. This plan will depict proposed pipe size, service lateral / meter, trench details and existing water and sewer connection points. The improvement plan is intended to provide wet utility service connections to the proposed restroom building and community garden shed if necessary. The utility improvement plan will be prepared in plan view only. Task 8 — Erosion Control Plan DEA will prepare a 1 "=20'scale Erosion Control Plan for the project area depicting temporary Best Management Practices (BMPs) and other measures needed to prevent erosion of graded slopes, swales and pads. Task 9 - Horizontal Control and Sicinina and Stripina Plan DEA will prepare a horizontal control and signing and striping plan for the park area depicting a basis of bearing, dimensions and control for proposed pertinent site features, parking and access circulation, striping layout, ADA access path to adjacent public right-of-way or street, and parking and ADA signing details. Task 10 — Off -Site Street Iml2rovement Plans DEA will prepare an off -site street improvement plan and profile improvement drawing. The plan will depict proposed curb and gutter, pavement improvements, cross / longitudinal gutter, handicap ramps using the Standard Plans for Public Works Construction (SPPWC). Task 11 - Hydrology and Hydraulic Calculations/Rel2ort DEA will prepare hydrologic and hydraulic calculations for the project area of watershed based on available standards and specifications. A Rational Method analysis of the site will be performed utilizing the Small Developed Area Method (less than 10 acres). This analysis will serve as the basis to size any necessary on -site drainage pipe or inlet catch basins. This analysis will also demonstrate if any additional off -site mitigation will be necessary to the improved project area. Additional hydraulic calculations will be accomplished using WSPG and Flowmaster software. DEA will submit the study to the City for review and approval at 60%, 90% and 100% completion. Task 12 - Water Quality Management Program (WQMPL DEA will prepare a Water Quality Management Program report and plan for the project to comply with the standards set forth by the City and the Regional Water Quality Control Board. The Water Quality Management Program plan will outline structural features and maintenance practices that will prevent pollutants from entering the adjacent system and impacting downstream water quality. The plan will be presented in text and graphic format for approval by the City. Task 13 - Notice of Intent (NOI) and Storm Water Pollution Prevention Plan (SWPPP) Prior to construction, DEA will complete the Notice of Intent application to be filed with the Regional Water Quality Control Board. Fees will be paid for by the City. As part of this application, DEA will prepare the Storm Water Pollution Prevention Plan (SWPPP) for the proposed site. This plan will outline Best Management Practices (BMPs) and other measures needed to reduce the potential for storm water pollution during construction activities. DEA planners and engineers will review the grading plan and identify potential sources of storm water pollutants. Based on this analysis, various BMPs will be called out for implementation during the construction period. The SWPPP will be prepared in accordance with the California Storm Water Quality Association guidelines for construction. Mitigation or monitoring of any source pollutants from the project area is not considered a part of this task. The SWPPP will be submitted for review and approval at 90% and 100% completion. Task 14 — Site Plan DEA landscape architects will provide a site plan for the proposed items of construction. This plan will designate features of the proposed project including placement, detail references, material and manufacturer callouts, general construction notes, and specific elements of the overall design which are necessary for the proper construction of proposed items. 12 1 March 15, 2023 1 David Evans and Associates, Inc.