RFP: Coastal Engineering Design & Construction Advisory – TongaUNDP is seeking experienced Engineering Design Companies to provide Detailed Design and Construction Implementation Advisory Services for the Tonga Coastal Resilience Project (TCRP).The assignment addresses urgent coastal inundation risks in critical areas of northeastern Hahake, Tongatapu, through the design and implementation of immediate coastal protection measures. The scope combines detailed engineering design with practical construction-phase advisory support, offering consultants the opportunity to contribute directly to a high‑impact climate resilience project, apply engineering judgement during implementation, and expand the valuable Pacific Island project experience design work.The opportunity is open to firms with demonstrated experience in coastal resilience and coastal protection infrastructure design, as well as construction implementation advisory services.Interested firms should create a draft response in the UNDP Quantum portal to receive notifications of any amendments. Final submissions must be made through:�� http://supplier.quantum.partneragencies.orgAll clarification requests should be submitted via the portal’s messaging function.