Project Portfolio

Detention and Correctional

California Health Care Facility - DeWitt Nelson Correctional Annex


State of California, Dept. of Corrections and Rehabilitation


Stockton, CA



Mechanical Engineer

Frank M. Booth, Inc.

Year Complete



280,000 SF

Contract Type

Design Build

Mechanical Contractor

Frank M. Booth, Inc.

Project Overview

Design and construction of new and remodeled facilities and site work to accommodate 1,133 inmates/patients. Housing buildings include Specialized General Population, Permanent Work Crew, Enhanced Outpatient Program, and Enhanced Outpatient Program Administration Segregation.  Additional new buildings include Staff Entry Building, Entry Guard Tower, Vehicle Sallyport Gate House, Perimeter Guard Towers, Mental Health and Transfer Building.

Other existing buildings to be renovated include Medical Yard Clinic, Mental Health Outpatient Clinic, Program Management Facility and MUT, Education and Library, Education Administration, Recreation Office, Vocational Education and Satellite Maintenance.

Mechanical Highlights

  • Fast track design and construction completion schedule.
  • Designed for durability, maintainability, energy efficiency and security.
  • High efficiency variable air volume air conditioning units ranging in capacity from 55 Tons to 7 Tons
  • 1,276 to 2,360 MBH heating hot water plants for individual buildings with high efficiency, low NOx boilers and variable speed pumps.
  • Air to air heat recovery systems for housing units requiring large quantities of ventilation air.
  • Fresh air free cooling economizer systems to save energy.
  • Power exhaust systems to maintain slightly positive building pressure.

Certified LEED Silver