Groton Civicplus #49

Design, engineering, and permitting for Groton stormwater flood-reduction projects

The Nature Conservancy is seeking a consultant to advance stormwater flood-reduction projects in Groton, Connecticut, from concepts to construction-ready designs. - Buyer and project partners: The Nature Conservancy (TNC), Connecticut Chapter, is the buyer; the City of Groton is a project partner. The National Fish and Wildlife Foundation is referenced in connection with possible extensions. - OEMs and named organizations: No product OEMs or prospective vendors are identified. Other named organizations and programs include the U.S. Environmental Protection Agency (EPA) and the Long Island Sound Futures Fund. - Requested services: Project management; a Quality Assurance Project Plan (QAPP); field surveys and existing-conditions investigations; basis-of-design reports; design development and construction documents; permitting; public engagement; and an implementation funding strategy. No products, part numbers, or product quantities are specified. - Project locations and concepts: Five Corners Neighborhood sites include curb-inlet planters on Mitchell and Smith Streets, bypass pipes at Hamilton and Ledyard Avenues, and bio-infiltration improvements at the Smith/Allen corner park. Designs should prioritize nature-based green stormwater infrastructure while allowing necessary gray infrastructure. - Design and technical requirements: Advance selected concepts through 30%, 50%, 90%, and 100% design packages. Potential features include bioretention, bioswales, stormwater planters, tree filters, permeable pavement, infiltration practices, drainage upgrades, and hybrid green-gray infrastructure. Field work includes survey and utility coordination, soil and infiltration testing, arboricultural assessments, and site-constraint reviews. - Permitting and engagement: Identify and secure required permits and approvals, prepare applications and supporting materials, and respond to agency comments. Support at least 10 public meetings or events and document how feedback informs the designs. - Additional deliverables: Project management plan and schedule, monthly progress reports, approved QAPP, survey and investigation documentation, design and cost packages, permit materials and approvals, public engagement reporting, and a funding opportunities matrix and project phasing strategy. - Pricing and duration: Firm-fixed pricing is requested. The project period is approximately two years; extensions may be granted at the National Fish and Wildlife Foundation’s discretion.

Description

The Connecticut Chapter of The Nature Conservancy is seeking a supplier to provide design, engineering, and permitting services for nature-based solutions and Best Management Practices addressing stormwater flooding in the City of Groton. The selected supplier will work with The Nature Conservancy and City of Groton staff on a series of conceptual designs developed following stormwater modeling and community engagement. The RFP requests firm fixed pricing for the assignment.

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