Laconia Civicplus #26-08-15P

Engineering Services for Adjustable Wave Baffle System and Shoreline Stabilization at Weirs Beach

The City of Laconia is seeking professional engineering services for the design, permitting, and implementation of an adjustable wave baffle system at Weirs Beach (Endicott Rock Park) on Lake Winnipesaukee. - Government Buyer: - City of Laconia, Department of Parks and Facilities, Purchasing Office - OEMs and Vendors: - No specific OEMs or vendors are named in the solicitation - Products/Services Requested: - Engineering design, permitting, and implementation planning for an adjustable wave baffle system - Preparation of construction bid packages and support through the bidding and award process - Coordination with the New Hampshire Department of Environmental Services (NH DES) and other agencies - Beach nourishment with approximately 7,300–9,000 cubic yards of compatible sediment - Installation of approximately 150–200 linear feet of sand fencing - Extension of the existing Weirs Channel jetty by about 20 feet - Construction of two adjustable groins, each about 100 feet long and spaced 150 feet apart - Unique or Notable Requirements: - Design of a low-profile, movable, and adjustable wave baffle system with seasonal removal or relocation capability - Compliance with all permitting and regulatory standards - Demonstrated experience with shoreline stabilization and wave attenuation projects - Maintenance and periodic renourishment expected over a 25+ year service life for beach nourishment - Detailed cost estimation for all project components, including materials, labor, and contingencies

Description

The City of Laconia is seeking professional engineering services for the design, permitting, bidding, and implementation of an adjustable wave baffle system at Endicott Rock Park (Weirs Beach) on Lake Winnipesaukee. The project aims to reduce wave energy, stabilize the shoreline, and preserve the beach area while maintaining recreational use and aesthetics. The selected firm will provide engineering design, permitting support, construction documentation, and implementation planning. Proposals are due by September 4, 2026, and must be submitted to the City of Laconia Purchasing Office.

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