Public engineering firm profile
Hagatña, GU
Enduring Design & Engineering for the islands
Dueñas, Camacho & Associates, Inc. (DCA) is one of Micronesia's largest engineering consulting practices. Established in 1979 with over 50 full-time employees, DCA is headquartered in Hagatña, Guam, and maintains a permanent branch office in Saipan, CNMI. It delivers comprehensive civil and structural engineering, land and hydrographic surveying, construction management, environmental sciences, geographic information systems (GIS), and physical planning services across Guam, the Northern Mariana Islands, and the Federated States of Micronesia.
Comprehensive planning, engineering, and design of civil works and infrastructure-related projects, including site improvements, utilities master planning, and performance and risk assessments.
Structural design and hazard-resistant engineering optimized for challenging regional conditions such as supertyphoons, seismic activity, and corrosive coastal environments.
Comprehensive in-house topographic, cadastral, construction layout, and hydrographic surveying services utilizing real-time GPS and modern field equipment.
Environmental impact assessments, wetland delineations, permitting, and ecological monitoring for private developers and government agencies.
Physical and infrastructure-related land planning alongside specialized GIS database development and spatial mapping capabilities.
Construction contract administration, quality control, inspection, and nondestructive concrete testing services for diverse infrastructure and facility developments.
Guam | AT&T | Telecommunications
Design-build expansion of the Tumon and Tanguisson telecommunications stations, including the addition of an entire building floor to an existing subterranean facility and a new single-story building under stringent industry standards.
View project sourceTiyan, Guam | Guam International Airport Authority | Water Supply
Development of water infrastructure improvements including a 1.5 million gallon two-compartment reinforced concrete reservoir, water wells, and transmission lines supplying the terminal and surrounding facilities.
View project sourceRota, CNMI | Water Supply
Topographic and as-built survey, mapping, and civil engineering design of above and below ground potable water transmission line from a spring-fed line to a reservoir at the airport industrial park.
View project sourceHagatña, Guam | Wastewater
Civil, structural, and mechanical engineering design for the repairs and improvements of the sewage treatment facility and its access road, including concrete repair and complete mechanical and electrical system upgrades.
View project sourceAgat and Santa Rita, Guam | Wastewater
Design of over five miles of primary wastewater transmission lines, lift stations, and a 17 MGD sewage treatment plant, featuring a directionally drilled ocean outfall to protect sensitive reef flats.
View project source2001 | Agat & Piti, Guam | TyCom Networks (Guam) LLC | Telecommunications
Feasibility study, engineering design, environmental consultation, and land surveying for a 70,000 square foot cable station and diverse landing sites, utilizing horizontal directional drilling at select water crossings.
View project sourceMerizo, Guam | Department of Public Works, Government of Guam | Bridges
Design of temporary and permanent bridges, road approaches, drainage systems, and utility relocations along Route 4, including right-of-way acquisition mapping and hydrological studies.
View project sourceGuam | Department of Public Works, Government of Guam | Bridges
Preparation of bid documents and engineering consultation to temporarily restore and stabilize the failed spillway and eroded embankments of the Guatali Bridge.
View project sourceTamuning, Guam | The Home Depot | Retail
Design of site improvements to support a 154,500 square feet retail facility, covering 16 acres of work including a 500,000-gallon water storage tank, on-site percolation drainage basin, and a signalized intersection.
View project sourceGuam | Guam Education Facilities Foundation | Education
Accelerated surveying, civil, structural, and mechanical engineering design and post-design construction services for four public schools under a leaseback program: Ukudu High, Astumbo Middle, Liguan Terrace Elementary, and Adacao Elementary.
View project sourceAndersen Air Force Base, Guam | U.S. Air Force | Defense
Boundary survey of over 20,000 acres of U.S. Air Force properties, involving extensive GPS mapping, property corner monumentation, and map preparation.
View project sourceSaipan, CNMI | Commonwealth Utilities Commission | Wastewater
Topographic and as-built surveys, environmental assessment, permitting representation, and civil engineering design of a new 1,100-foot long ocean outfall.
View project sourcePiti, Guam | Department of Agriculture, Government of Guam | Parks & Open Space
Wetlands delineation, environmental permitting, hydrographic contour survey, and engineering design for dredging and rehabilitation of the reservoir and surrounding nature park.
View project sourceGuam | COMNAVMARIANAS | Defense
Wetland surveys and mapping for military properties comprising approximately 4,500 acres, delineating 48 different wetland sites using GPS methodologies.
View project sourcePrincipal, Civil Engineer
P.E.
Principal, Structural Engineer
S.E.
Chief Civil Engineer
P.E.
Chief of Special Projects
P.E.
Chief of Surveying
P.L.S.
Chief of Environmental Services
Chief of Geographic Information Systems
Project Manager
Project Manager
Island Commercial Center, Chalan Pale Arnold, Gualo Rai
Saipan, MP 96950