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WPCF Headworks Replacement Project Scope of Work <br />34 <br /> <br /> Develop an AACEI Class 1 construction cost estimate for complete project construction cost, <br />including direct and indirect costs, contingencies, and allowances. <br /> Coordinate the BC engineering design leads to review the cost estimate and validate scope <br />and assumptions. <br /> Update the construction schedule to reflect the final design scope of work. <br /> Coordinate the cost estimating group, including scheduling estimators and attending <br />coordination calls with the estimating team to field questions and discuss proposed design <br />concepts and discuss draft estimate review comments. <br />Task Assumptions <br /> AACEI Class 1 estimates assumes a range of -10% to +15% based on final design <br />documents. <br /> The Class 1 final design estimate will serve as a reference point for City comparison against <br />the GC/CM GMP. The GC/CM will be responsible for developing an independent estimate. <br />City Responsibilities <br /> Review cost estimate <br /> Facilitate cost estimate coordination with GC/CM <br />Meetings <br /> None <br />Work Products <br /> Sketches and takeoff documents as needed to support development of cost estimates. <br />Deliverables <br /> AACEI Class 1 estimate based on the final design documents, including a Basis of Estimate <br />report. <br />Phase 400 Alternatives Analysis and Facility Planning <br />This phase includes a series of collaborative workshops to explore and refine project alternatives <br />and design concepts to shape the vision for the new headworks facility. During this stage, the design <br />team will work closely with City staff to develop and evaluate various concepts, focusing on key <br />decisions such as building locations, process layouts, and equipment types. <br />In-lieu of producing separate technical memos for each of the topics covered within this phase, the <br />findings will be consolidated into a single alternatives analysis report. The main body of the report <br />will address core project alternatives and decisions, including process sequencing, number of <br />structures and location, pumping systems, screening, septage receiving, odor control, and grit/grit <br />washing systems. <br />The Facility Planning portion of this phase includes developing the concepts for supporting <br />infrastructure and ancillary systems such as electrical, instrumentation and controls (I&C), <br />architectural components, and site improvements. These topics will be documented through the <br />inclusion of workshop notes and presentation slides within the Appendix of the Alternative Analysis <br />Report. The Facility Planning related topics not covered in the main report will be further developed <br />and formally documented in the Basis of Design Report, prepared under Phase 450. <br />This streamlined documentation strategy is intended to enhance efficiency and streamline the early <br />phases of design.