Plant Description - Loma Linda University and Loma Linda Hospital share 1.5 million square feet of facilities comprising 20 buildings located in San Bernadino County, California. The renowned research facility and hospital are owned by the Seventh-Day Adventist Church.
The cogeneration plant provides up to 11.2 megawatts of electrical power and as much as 86,000 pounds per hour of steam to the institution for use in space heating, cooling, food preparation, domestic hot water and sterilization of hospital equipment. Each of the two units in the cogeneration system incorporates an Allison 501 gas turbine modified for Cheng Cycle operation, an ABCO boiler and a Bailey Network 90 control system.
The cogen plant meets the Loma Linda facilities' combined average electric load of 7,000 kW Peak loads at the facility reach 11,000 kW. Surplus electrical output is sold to Southern California Edison. A new 6,000 ton centrifugal chiller was also added to the facility.
IPT Services Provided - Project development and construction services
were provided in 1987 and 1988. An IPT field service manager was provided to Loma Linda to guide the construction crews through the erection and startup of the cogeneration equipment.
Upon completion of the facility in late 1988, IPT was asked by Loma Linda to provide long term operating support. IPT provided an experienced operator to bring Loma Linda's boiler operating staff up to speed with gas turbine, HRSG, and distributed digital controls systems.
In 1991, an IPT controls expert was contracted by Loma Linda to integrate the chiller plant into the cogeneration plant's Bailey Net 90 distributed digital control system. IPT continues to provide Loma Linda with technical support on an as-requested basis.