Design and Permitting of Flood Reduction Projects in City of Groton

The City of Groton, Connecticut, in partnership with The Nature Conservancy, is soliciting proposals for design and permitting services for flood reduction projects, with proposals due October 30, 2026 at 3:00 p.m. EDT. The RFP is open to all vendors.

The scope advances stormwater management designs from 30% to 100% construction documents for green infrastructure in the Five Corners neighborhood, including bioretention cells, tree filters, vegetated filter strips, and hybrid green-grey solutions. Deliverables include a Quality Assurance Project Plan, site surveys and existing-conditions documentation, a Basis of Design Report, design packages at 30%, 50%, 90%, and 100% completion milestones, technical specifications, permit applications and approvals, stakeholder engagement (minimum 10 meetings), and an implementation funding strategy.

Mandatory qualification requirements include a minimum of five years' experience in stormwater management, green stormwater infrastructure, or low-impact development; successful completion of at least three similar projects within the last ten years; legal authorization to conduct business in Connecticut; and technical capability to provide or subcontract engineering, landscape architecture, surveying, permitting, and stakeholder engagement services. Key personnel must include a Connecticut-licensed Professional Engineer with minimum seven years' stormwater management experience, a Connecticut-licensed Registered Landscape Architect with minimum seven years' landscape architecture and green infrastructure experience, and a Project Manager with minimum five years' experience managing similar projects.

The contract term runs January 1, 2026 through December 31, 2027, with possible extensions at the National Fish and Wildlife Foundation's discretion. The project is funded through a National Fish and Wildlife Foundation award agreement received May 14, 2026. Pricing must be firm fixed, submitted in USD and broken down by task, with payment terms net 30 calendar days. Suppliers must provide certificates of insurance showing commercial general liability coverage of at least $2,000,000 per incident and professional liability insurance of at least $1,000,000.

Suppliers must confirm intent to participate by October 9, 2026 and submit queries by the same date (TNC responses due October 16). Interviews and presentations are scheduled for November 12, 2026, with negotiations November 16–20 and supplier selection for contract award November 23. Inquiries should be directed to Timothy Clark at The Nature Conservancy (timothy.clark@tnc.org).