HDR Engineering Inc. 10/6/2022 - Laserfiche WebLink

Exhibit A LL FY 3. Prepare preliminary design (30%) drawings for the stormwater conveyance facilities. 4. Prepare an Engineer Opinion of Probable Construction Cost (OPCC; Association for the Advancement of Cost Engineering [AACE] Class 3). 5. Prepare for and attend the following meetings: a. Up to two (2) stakeholder meetings with City staff for up to two (2) hours each in duration. It is assumed that the meetings will be conducted via MS Teams (or other web-based virtual platform), and up to three (3) consultant staff may attend each meeting. i. The first coordination meeting will review connections, disconnections, and concept piping alignments. ii. The second meeting will review BNSF and WSDOT crossing pre-design, agency requirements, and preliminary utility/agency coordination planning and discussions. Client Responsibilities 1. Provide design and record drawings for existing storm drainage infrastructure in the project area. 2. Schedule City staff participation in meetings and workshops included in the scope. 3. Complete review meeting notes and decision log within seven (7) calendar days. After this time, the notes and decision logs will be finalized and archived as part of the project record. 4. Provide reviews, as needed, with one set of consolidated (conflict resolved) comments on the draft technical memoranda within ten (10) business days of receiving draft submittal documents. 5. Address easements, ROW, and property acquisitions necessary for the conveyance facilities. Assumptions 1. Basin surface runoff characteristics from the City Lowell Basin Plan will be used for conveyance sizing. 2. Conveyance design will rely on gravity design, and force mains will not be required. 3. Project site reconnaissance for the conveyance system is addressed under Task 510. 4. Review of record drawings and files of existing utility information is addressed under Task 410. 5. ROW, property, and easement procurement is not required for the conveyance system design. 6. Utility potholing is not included in the scope and will be part of a subsequent work phase. 7. The conveyance design calculations, concept design sheets, and conveyance cost estimate sheets will be incorporated into the Task 500 Draft Hydrologic, Hydraulic, and Water Quality Design Technical Memorandum. 8. The workshop to present preliminary design findings will be combined with the stormwater treatment workshop and is addressed under Task 500. 9. Preliminary design of the stormwater discharge outfall is addressed in Task 600. 10. Drawings will be to City of Everett standards. Lexington Avenue Storm Drainage Improvements Preliminary Design Scope of Services 13