Zarbo Avenue Bulkhead Replacement – North Kingstown RI

Zarbo Avenue Bulkhead Replacement  1Client: Quonset Development Corp. 95 Cripe Street North Kingstown, RI Completion Date: 2014 (Anticipated) Total Project Value: $7,500,000 (Est.)

Relevant Project Features:

• Performed a Geotechnical Investigation • Designed the new steel sheet pile bulkhead and tie-back system; bulkhead repair section; timber fender system; mooring cleats; steel and concrete cap alternatives; and existing utility abandonment. • Prepared the RICRMC and RIDEM Permit Applications • Prepared Plans and Specifications for Construction • Provided Bidding Assistance Zarbo Avenue Bulkhead Replacement  3

RT Group, Inc. (RTG) was retained by the Quonset Development Corporation (QDC) to design and obtain permits for the construction of approximately 1,300 linear feet of new steel sheet pile bulkhead.

The existing anchored steel sheet pile bulkhead was constructed in the mid-1940’s by the U.S. Navy as a part of the Quonset Naval Air Station. Several sections of the 70-year-old bulkhead have deteriorated significantly and have even failed in some locations.

Zarbo Avenue Bulkhead Replacement  2Accordingly, RTG was tasked with completing the design and permitting of a new steel sheet pile bulkhead and anchor wall system, to be installed directly in front of the existing one. Design elements included the steel sheet piles; the tie-back system; a bulkhead repair section; a timber fender system; mooring cleats; steel and concrete cap alternatives; and the permanent abandonment of several existing utilities.