Credit: City of Long Beach
Group Delta, an NV5 Company, performed construction inspection services for the installation of 2,148 linear feet of new steel sheet-pile seawall along the water side of the existing vertical concrete seawall at key locations including The Colonnade, Treasure Island, and the Naples Peninsula. The scope of work included oversight of new sidewalks, guardrails, storm drain systems, lighting, float access platform modifications, temporary dock relocations, and the replacement of approximately 42 palm trees. Our team’s involvement ensured compliance with technical specifications and contributed to the successful execution of this critical coastal infrastructure upgrade.
Added Value
- Enhanced Coastal Resilience: Our team’s inspection and testing services ensured the structural integrity of over 2,100 linear feet of new steel sheet-pile seawall, significantly improving flood protection and shoreline stability for Naples Island.
- Comprehensive Oversight: Our team’s role extended beyond seawall installation to include quality assurance for sidewalks, guardrails, storm drains, lighting, and palm tree replacement—supporting a holistic infrastructure upgrade.
- Regulatory Compliance & Public Safety: By verifying construction materials and practices against approved specifications, our team helped the City of Long Beach meet regulatory standards while safeguarding public access and environmental quality.
Location:
Long Beach, California
Client:
City of Long Beach
Project Owner:
City of Long Beach
Service:
Testing & Inspection
Market:
Ports & Harbors
Project Size: 3.1 Million Sq ft
Project Cost: $17.9 million


