Developer/Owner

NAVFAC Marianas

Architect

RIM Architects

Contractor

dck pacific guam, LLC

Location

Nimitz Hill, Guam

Background

This project was the repair and alteration of an existing facility to transform it into administrative offices for the Joint Region Marianas Headquarters at Nimitz Hill. The structure was most recently used as a DoDEA high school. The new 44,520 SF command center includes administrative spaces, an operations center, and conference rooms for approximately 300 personnel representing all branches of the United States military in Guam.

The project received LEED Silver certification in 2011 and was recognized in 2010 by the Guam Contractor’s Association with its Excellence in Construction award in the Renovation $10M - $100M category.

Client Benefits

The Request for Proposal (RFP) for this design-build project required a seismic evaluation and potential rehabilitation for the existing facility. Based on the RFP, several shear walls were indicated to be overstressed. BASE performed an in-depth 3-D dynamic analysis as well as targeted field investigation to minimize potential unnecessary (and costly) strengthening. Several walls were strengthened using fiber reinforced polymer (FRP) composites that proved to be a very cost-effective and non-invasive retrofit strategy.

 

The Science and Design of Structural Engineering

The primary structural work consists of a seismic evaluation, analysis and potential retrofit of Buildings 200NH and 205NH. Fiber Reinforced Polymer (RFP) composites were used to strengthen wall sections that were analytically shown to be overstressed. The structures also meet AT/FP requirements as specified in UFC 4-010-01.

New structural construction included the replacement of the existing back patio wood deck. The new structure consists of a reinforced concrete slab-on-grade with retaining walls for grade adjustment. A new fire pump building and concrete water tank were also constructed.