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If Wllidan believes that further detailed environmental studies and reports are needed to comply with CEQA and r
<br />or National Environmental Protection Act (NEPA), subject to confirmation by City Staff, Wllldan will meet and dis-
<br />cuss with the applicable resource/regulatory agencies to confirm the necessary work effort and Identify the cost
<br />and schedule to prepare the environmental reports, applications for
<br />permits and obtain clearance through all applicable agencies as add)- a Task 3 Deliverables
<br />Ilona[ scope of work. As pan of Clean Water Act, a NPDES permit CEQA Categorical Exemption
<br />may be required for alternate discharging during well rehabilitation. Form
<br />Task 4 — Preliminary Engineering — Option A and Option B rn
<br />Subtask 4.01 — Site Visit and Evaluation. Visual inspection Is Important for quality assurance and ensures a � J
<br />site facilities and constraints. Willdan will catalog existing conditions and fadiftles through photographs and field
<br />C Ity of Santa Ana
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<br />Submit So-, 60-, and 100 -percent plans to those utility companies with facilities In Immediate project area for
<br />review and comment,
<br />• Coordinate with utility companies to implement upgrade of facilities (upon request), as needed, within project
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<br />limit and Maintain contact log.
<br />• Determine any utility upgrades or installations that will be required to service existing and proposed Improve.
<br />ments and coordinate Installation of required upgrades with each aflected utility company
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<br />• Lead efforts to Identify ownership of unknown utility lines
<br />Task 3 — Environmental Compliance and Permits — Option A and Option B
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<br />it Is anticipated that the projects will qualify for Categorical Exemption Section 16301 Class 1(c) under existing
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<br />highways and streets improvements that allows for roadway Improvements for the purpose of public safety and
<br />has no significant effects on the environment, Wllldan will perform Its due diligence as part of this task to verify
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<br />exemptions criteria set by California Environmental Quality Act (CEQA) under Article 18 of Categorical Exemp-,
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<br />tions and make necessary recommendations to the City. The City's Planning Division will make the final environ-
<br />mental determination. To satisfy CEQA requirements forthe project, Willdan will prepare a notice of exemption
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<br />for the City's use. We will assist with posting of the notice and with filing the Notice of Exemption with the County
<br />Clerk,
<br />If Wllidan believes that further detailed environmental studies and reports are needed to comply with CEQA and r
<br />or National Environmental Protection Act (NEPA), subject to confirmation by City Staff, Wllldan will meet and dis-
<br />cuss with the applicable resource/regulatory agencies to confirm the necessary work effort and Identify the cost
<br />and schedule to prepare the environmental reports, applications for
<br />permits and obtain clearance through all applicable agencies as add)- a Task 3 Deliverables
<br />Ilona[ scope of work. As pan of Clean Water Act, a NPDES permit CEQA Categorical Exemption
<br />may be required for alternate discharging during well rehabilitation. Form
<br />Task 4 — Preliminary Engineering — Option A and Option B rn
<br />Subtask 4.01 — Site Visit and Evaluation. Visual inspection Is Important for quality assurance and ensures a � J
<br />site facilities and constraints. Willdan will catalog existing conditions and fadiftles through photographs and field
<br />notes to be used as a reference during design.
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<br />An Initial assessment will be performed to evaluate the existing condition of the water well. Based on the Initial
<br />evaluations, rehabilitation options will be proposed. The entire well will have to pulled and the casing will have to
<br />be video inspected. Common causes of reduced well capacity could be sanding, rupture of casing, mineral build-
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<br />Lip, heavy encrustation, screen damage, screen clogging or mechanical failures of the pump. Depending on the
<br />assessment, rshabllltation could Include brushing and bailing casing, replacing ruptured casing, adding an elon•
<br />gated nozzle to bull to reduce sand flow, chemical treatment, remachine the pump and or rewind. After the initial
<br />evaluation, Willdan will work with City's current maintenance and repair contractor to rehabilitate the wall or will
<br />work with the City to bid out the project.
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<br />Subtask 4.02 --Field Survey and Right -of -Way. Willdan will perform a field survey to ensure the accuracy
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<br />and constructability of the final construction plans, For this project the survey will;
<br />• Establish right-of-way through record research and/or survey.
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<br />• Option A: (around Survey to map the existing facilities and utility Subtask 4.02 Deliverables
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<br />alignment, rho utility survey will Include manholes, covers, and One electronic copy of all field sur -
<br />depth of cover when required, vey data In Mlcrostatlon Vel format
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<br />• Option B: Topographlo/ground survey will be required to deter-
<br />mine existing grades and facilities. To ensure acceptable cross -slopes full street sections will be surveyed
<br />and analyzed at 26 -foot intervals, driveways, and at approaches. The topographic survey shall extend a mInl-
<br />mum of 200 feet beyond limits of construction within the public right-of-way, where possible. Full street sec-
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<br />tions Include obtaining field data at all control or critical points, such as CL, BCR, ECR, and at any grade
<br />breaks between lips of gutters, andfor edges of pavement, and flow Ilnes; Where applicable to the project
<br />scope, surveyof private property improvements shall be included.
<br />Subtask 4.03 — Geotechnical Investigation and Pavement Rehabilitation Strategies. All geotechnical
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<br />Investigation and analysis shall be performed by a state-lloensed geotechnical engineer with expertise In pave-
<br />ment design. Willdan will conduct geotachnioal investigations to measure the existing pavement sections and
<br />collect representative samples of subgrade soils for laboratory testing as described below. The task work In-
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<br />cludes:
<br />Proposal for On•Oall Engineering,
<br />Comprehensive, Innovative, Taisted,
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<br />RFP No. 17-083
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