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expectations. We will confirm our understanding in our negotiated scope and verify that we are on track by conducting design review meetings on a regular basis from planning through final design. » We will meet with sub -consultants to ensure their scope is complete. » We will design the project in accordance with your schedule. This begins with development of a detailed schedule that includes critical path, agency review times, and milestones. Progress will be reviewed during our design meetings. » We will design a project that is within your budget. We will develop a project budget that includes contingency, probable construction cost, and consultant fees. The probable construction cost will be prepared using current unit prices and submitted for review. » We strive to minimize non -client initiated change orders during construction. Our QA/QC procedure implements a constructability reviewer. It helps us foresee and resolve potential issues before the bidding phase. Our PM will establish the framework and ensure that we capture your expectations for quality prior to publishing our plan. Existing Utility Inventory - Every project presents its own special design challenges. The most frequent chi lieige related to existing utilities we would expect in the City of Santa Ana. Is that improvement to utilities located in developed areas will generally affect or be affected by other utilities. Through experience we have learned that existing records may be non-existent, inaccurate, or lack information. This is why all projects require an effective existing utility locating approach. A precise utility inventory will: » Equal a high quality design » Avoid conflicts during construction » Prevent utility interruptions » Promote public safety » Avoid construction change orders » Prevent construction delays With HZ, utilities will be located, verified, and compiled into a V8i CADD file using a "Four Tier Approach." TIER I: SITE INVESTIGATION - Huitt-Zollars conducts a cursory site investigation that includes pictures used to formulate the scope of services. The information gather identifies utility purveyors in the project vicinity and assesses probable challenges. TIER II: GATHER RECORD DATA - Huitt-Zollars request records from utility purveyors in the project vicinity. The City of Santa Ana will provide information in its possession relevant to the preparation of the project plans. Record information will be reviewed and compiled into a V8i CADD file. The information is further verified during the topographic survey. TIER III: TOPOGRAPHY SURVEY — One week prior to surveying, HZ will contact Dig -Alert USA with a project exhibit to request that existing utilities be marked within the project limits. Our survey department will capture utility markings, visible surface utility features, and dip manholes as necessary. The survey shots will be compiled with the record data and used to verify utility locations, inverts, size, and flow direction. The information will help our civil team foresee potential challenges during design. TIER IV: SUB -SURFACE INVESTIGATION - The data collected in previous tiers is used to arrive at possible utility conflicts during preliminary design. Our goal is to resolve each conflict via good research and design, But we must also prepare with a set aside budget for further sub -surface investigation shall it be necessary. A task sets aside a budget for potholing cost and incidentals. The investigation is kicked off after preliminary design so that the findings help improve the level of quality of future submittals. Environmental Assessment — Verify that the work limits are within areas with existing infrastructure. Small improvements of this nature typically qualify for environmental exclusions but if the work requires a negative declaration. Our first step would be to research existing environmental filing(s). There after our consultant and civil team would assist the City of Santa Ana with supporting studies and documentation to comply with CEQA and/or NEPA. Topography - HZ is leading the industry with fixed wing aerial drone surveying. The new technology has a perfect platform in topography. With on board RTK the data will generate an accuracy that matches conventional aerial photography but a picture quality that is unmatched. It allows for quicker delivery and data control at a competitive fee. The data would be supplemented with a field survey(s) and tied to the most appropriate datum. HZ will acquire necessary permits to perform aerial surveys via drones. Our survey department would also provide legal descriptions, if required. Providing plans, specifications, and estimates (PS&E) for engineering projects is the backbone of our Irvine branch. We are familiar with local, state, and federal codes and regulations. This ensures that the design is in conformance with established guidelines. We are also experience with preparation of special provisions. We have been serving Southern California for over 30 years this includes projects with the City of Santa Ana. We are familiar with the City's criteria for acceptance of plans. City of Santa Ana Civil Engineering Services: RFP 23-030 7