California License 907353    |    Arizona License 200676    |    Nevada License 0061617    |     Utah License 8360726-5501

Imperial Valley : 760-356-4185

401 W. 5th Street, Holtville, CA 92250

San Diego : 619-821-5700

1450 Frazee, Suite 406, San Diego, CA 92108

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Completed Projects


Gathering Systems

2014 | Pacific Corp. | Blundell Well Integration – PMC was the General Contractor for the integration of a new production well and piping at the existing 22 MW Blundell Geothermal Power Plant. PMC was responsible for installation of new well head piping, valves, brine separator, pumps, new service building, air compressor system, all electrical and instrumentation and a new emergency generator. Work includes all civil and structural foundations  and the supply and installation of new overhead power poles, transmission line,  and a new step-down transformer.

2013 | Gradient Resources | Patua 1 Gathering System – PMC was the General Contractor for the installation of the cross-country brine piping for the gathering and injection systems at the newly constructed Patua 1 30 MW Geothermal Power Producing facility near Hazen, Nevada. Work included over 45,000 LF of piping installed, 2,600 drilled concrete and steel pipe supports, (10) Major road crossings and pipeline through Environmentally sensitive areas, and Boring/tunneling underneath existing Union Pacific Railroad

2008 | Ormat | North Brawley Project50,000 LF of production header and 25,000 LF of injection header, installation of 13 each production well assemblies and 9 each injection well units.

2008 | CES, Westinghouse | 2008 Replacement ProjectInstallation of 18,000 LF 2507 Super-duplex production header.

2007 | Ormat | Galena III – Install 28,000 LF of carbon steel production and injection header.

2006 | CalEnergy | Region 1 Injection Replacement – Remove and install 10,000 LF of cement lined carbon steel production header, assemble 4 injection well units.

2005 | CalEnergy | Region 2 Pipeline Replacement – Installation of 16,000 LF of production header and 9 each well production assemblies.

Plant Construction

2014 | CalEnergy | Shutdown – PMC was the General Contractor for various maintenance and improvement projects to multiple CalEnergy Geothermal Facilities in the Salton Sea area of Southern California. Work includes fabrication and installation of new pressure vessels, clarifier tank roof replacement/repairs, well head piping replacement, and miscellaneous piping replacement and repairs. Work also includes planned maintenance, pump and equipment repairs, miscellaneous concrete and foundation repairs and some selective demolition.

2013 | Ormat | Mammoth Lakes – G1 Refurbishment –PMC was the general contractor for the mechanical and piping refurbishment to the existing 30MW Geothermal Power Plant in Mammoth Lakes, CA. Work included the installation of new Air Coolers, header piping, replacement of valves, Installation of (2) new 15MW Turbines, Installation of new Boiler Feed Pumps, Installation of new production line piping and miscellaneous modifications to existing piping and valves.

2013| Oberon Fuels| Kershaw Road Facility– PMC is the general contractor for the installation of a 3,000-10,000 gallon/day DME production unit. Construction includes all civil  and civil infrastructure work, installation of structural steel, installation of skid mounted process vessels, heat exchangers and boiler, all piping, and electrical.

2013 | Abiensa EPC | Solano Solar – Aluminum Recovery – PMC was contractor for the installation of all the mechanical and piping for the Aluminum Recovery System for the Solano 250MW solar project. Work included the installation of tanks, pumps, clarifier internals, process piping, and instrument air systems.

2013 | Cal Energy | Unit 5 and 6 Shutdown – – PMC was contractor for the shutdown and repairs to existing geothermal facility to include; clarifier tank repairs/re-roof, vessel repairs, and miscellaneous piping replacement and repairs.

2012 | Abiensa EPC | Solano Solar – Turbine Generator Piping – PMC installed all associated turbine and generator piping systems for (2) 125MW Siemens Turbines for the Solano 250 MW solar project. Additional scope included modifications and fit-up of the condenser rings and all piping supports.

2012 | Abiensa EPC | Solano Solar – HTF Mechanical – PMC erected and installed Owner furnished HTF Boiler and all the associated transfer piping for the start-up heating system for the Solano 250 MW solar project. Work included installation of (4) piece heating section, internal piping connections, fuel skids, exhaust stack, all ducting, blowers and fans, and connection of piping to the solar mirror system gathering piping.

2012 | Energy Source | Hudson Ranch I Geothermal Facility– PMC provided Construction Management, General Contractor, and Start-up services for the complete construction of a 49.9 MW geothermal power plant in the Imperial Valley. Construction includes complete site development and earthwork for the 60 acre site, including site utilities, holding ponds, and the construction of a new county road. Subcontractor management included the installation of all structural concrete, structural steel, commercial warehouse and control buildings, installation of a 50 MW Fuji Turbine/Generator and all electrical and instrumentation systems. PMC self-performed all the mechanical installations and all the piping including the well head, brine gathering and injection systems. In addition, PMC completed the construction of (2) high pressure vessels on-site in order to maintain the Owner required start-up schedule.

2012 | Simbol Materials| Lithium Extraction- Pilot Plant – PMC was the contractor for the installation of a new lithium extraction test facility at the Hudson Ranch Geothermal site. Work included civil, concrete, mechanical installation of Owner supplied equipment, process piping, and brine interface piping with Hudson Ranch.

2012 | Cal Energy | Unit 5 Shutdown – PMC was contractor for the shutdown and repairs to existing geothermal facility to include; clarifier tank repairs/re-roof, vessel repairs, and miscellaneous piping replacement and repairs.

2007 | Ormat | Heber South Binary Plant Installation (10 MW) – PMC was the Contractor for the installation of all mechanical, piping, steel, electrical equipment. Construction included the installation of all gathering system piping, Ormat Energy Converter (OEC) equipment and piping, air coolers, gas removal systems, and electrical controls and instrumentation

2006 | Ormat | Desert Peak Binary Plant Installation (13 MW) – PMC was the Contractor for the installation of all mechanical, piping, steel, electrical equipment. Construction included the installation of all gathering system piping, Ormat Energy Converter (OEC) equipment and piping, air coolers, gas removal systems, and electrical controls and instrumentation

2006 | Sempra | Reverse Osmosis System – Install complete RO system for 600 MW combined cycle power plant.

2005 | CalEnergy | Demister Project – design, procure and install demister system to improve steam quality. Procured and installed 3 each demisters, foundation pedestals, structural steel, instrumentation, valves, insulation, and electrical.

2005 | Ormat | Ormesa Binary Plant Installation (10 MW) – PMC was the Contractor for the installation of all mechanical, piping, steel, electrical equipment. Construction included the installation of all gathering system piping, Ormat Energy Converter (OEC) equipment and piping, air coolers, gas removal systems, and electrical controls and instrumentation.

2005 | Ormat | Heber 1 Binary Plant Installation (18 MW) – PMC was the Contractor for the installation of all mechanical, piping, steel, electrical equipment. Construction included the installation of all gathering system piping, Ormat Energy Converter (OEC) equipment and piping, air coolers, gas removal systems, and electrical controls and instrumentation

2005 | Ormat | Heber 2 Binary Plant Installation (10 MW) -PMC was the Contractor for the installation of all mechanical, piping, steel, electrical equipment. Construction included the installation of all gathering system piping, Ormat Energy Converter (OEC) equipment and piping, air coolers, gas removal systems, and electrical controls and instrumentation

1999 | Belmont – Stone & Webster | Unit 5 & Region II Project – 50 MW Geothermal Power Plant. PMC was contractor for site grading, civil work, and the complete supply and installation of the production well and injection well piping systems. PMC also provided commissioning and start-up assistance.

1998 – 2013 | CalEnergy | Assorted Projects – PMC was contractor for various capital improvement projects that included; Code vessel repairs, pipe replacement, outage turnarounds, acid system installations, cooling water system installations, vessel and piping alloy lining, non-condensable gas system installation, dilution water vessel and system installation, horizontal belt filter installation, bio-reactor installation, minerals plant mechanical installation, clarifier maintenance and repair, concrete foundations for pumps and vessels.