HUNSAKER & ASSOCIATES IRVINE, INC.

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Research will include records data gathering from all utilities and public agencies operating facilities in the vicinity of the proposed project. All data gathered will be incorporated into the digital base -map and evaluated in conjunction with the field information to identify inconsistencies, missing information and apparent conflicts. Surveying Research on available survey control points and monumentation will start the process. Field survey will establish the project control and place targets for the aerial topo flight. While the flight data is being processed, field crews will gather the cross section information, dip manholes and drain inlets and locate surface utility features. Existing monuments will be accurately located and ties placed to enable post -construction efforts. Concept Plan Development The site plan in the RFP shows there has been some advance planning and H&A will build on that to develop 3 concept plans. These will also reflect the findings of our research, field survey, geotechnical investigations, landscape analysis and initial struGtural developmen (No longer needed in revised proposal since cantilevered viewing decks and pedestrian bridge eliminated.) H&A looks forward to the three meetings with City staff that we envision to be interactive design workshops with one, or more held at the site to better visualize how the concepts fit with existing conditions. The final activity will be selection of the preferred alternative by City staff to be the basis for the construction documents. TASK 2 — 50% DESIGN DEVELOPMENT The H&A Team will be focused on setting the configuration of the various project components and determining design parameters from calculations done for the grading, drainage, structures, electrical/lighting system and irrigation requirements to support the proposed planting. Cost Estimate The construction estimate will use the project specifications measurement and payment clauses that will be based on the Greenbook standards H&A personnel will determine quantities using CAD software and confirmed by RFP No. 20-154 Santiago Park Main Street Entrance Design BreakdownWork i Perform evaluation of F H&A existing electrical equipment Perform evaluation of G existing electrical equipment H&A Team H Evaluate existing plantings H&A Team and irrigation system Develop 3 concept plans I using RFP site plan and H&A Team compiled base ma i St City review -prepare agenda, hold meeting, CITY and H&A prepare minutes, revise Team concepts 2nd City review - prepare K agenda, hold meeting, CITY and H&A prepare minutes, revise Team concepts 3rd City review - prepare i L agenda, hold meeting, CITY and H&A prepare minutes, revise Team conce is A Develop design plans - Civil H&A Team Engineering Develop design plan Structural (No longer needed in revised B proposal since H&A Team cantilevered viewing decks and pedestrian ! bridge eliminated.) 2 Develop design plans - C Landscape H&A Team D Develop design plans - H&A Team Electrical E Develop cost estimate H&A Team F Identify required technical H&A Team specifications HUNSAKER&ASSOCIATES IRVINE, INC.