Item 17 - Agreements for On-Call Geotechnical Engineering Services

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Earth Mechanics, Inc. l3eolecnn�cal , Es ,q...e €ngineer 2. SCOPE OF SERVICES AND SCHEDULE Scope of Services EMI envisions that the process, whereby geotechnical services will be provided, will begin with an initial request from the City of Santa Ana through as Task Order. The City's Project Manager will provide a description of the project and proposed improvements including providing a plan showing the location, limits, features, etc. of proposed improvements. EMI will prepare a work plan which will include geotechnical scope of work, budget, and schedule for the geotechnical services, required for the proposed improvements, which will be submitted to the City for review and approval. Our budget will include staff title, hours, hourly rates based on approved fee schedule, other direct costs (ODC) and totals as related to the specific task. EMI speculates that most City projects will call for a conventional geotechnical program, which can be divided into the eight major tasks shown below: 1. Prepare Scope and Fee Proposal Based on the information provided in the Task Order, EMI will prepare a scope and fee proposal and submit it to the City for review and approval. Our budget will include staff title, hours, hourly rates based on approved fee schedule, other direct costs (ODC) and totals as related to the specific task. After the review and approval of our proposal, we anticipate that the City will issue a Notice -to -Proceed to begin the work. Deliverables: Scope and Fee Proposal 2. Prepare Project Management Plan Within 15 calendar days of issued Notice -to -Proceed, EMI will prepare a Project Management Plan which will include all milestones, task breakdown for each task and subtasks, information and coordination with other agencies, required permits, deliverables, quality control/quality assurance plan, project schedule, invoicing, and project correspondence. Deliverables: Project Management Plan 3. Review Existing Subsurface Information EMI will gather and review relevant subsurface information, including information filed at the City office, and maps and reports published by USGS, CGS, and Caltrans. Existing subsurface information will be used to plan the field investigation. Deliverables: Memorandum Summarizing Existing Subsurface Information 4. Geotechnical Field Investigation EMI will identify the proposed boring and CPT locations on a plan and submit it to the City for review and approval. The boring location plan will also be used to apply for encroachment permits. If necessary, EMI will prepare a work plan to present the field investigation procedures, boring location plans, health and safety plans and traffic control plans. The goal of the investigation is to log subsurface conditions and collect samples of subsurface soils using exploratory borings, rock coring, trenching, and in -situ testing. In -situ testing may include Cone Penetration Tests (CPT) and geophysical surveys. Additionally, groundwater depth will be measured in the borings. For investigations in soil, EMI will collect bulk samples, small disturbed samples, and relatively undisturbed ring samples of subsurface soils. The small disturbed samples and ring samples will be collected using the Standard Penetration Test (SPT) sampler and Modified California Drive sampler, respectively. In soft soils, Shelby Tube samples may be collected. Soil samples Proposal (RFP No. 23-123) City of Santa Ana On -Call Geotechnical Engineering Services