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page 5

DONNER MEMORIAL STATE PARK LIGHTING UPGRADE

Furnish all labor, materials, tools, and equipment necessary to provide additional lighting in the museum, lighting control modification and additional exterior monument lighting at the Donner Memorial State Park in Nevada County, CA.


Donner Memorial State Park Lighting Upgrade

Owner: State of California, Department of Parks & Recreation

Date of Completion: June 15, 2015

Contract Amount: $63,163.00

Contact: Bill Johnson (916) 445-8763

SANITARY SEWER LIFT STATIONS REBUILD

Redid the City’s 5 sanitary sewer lift stations to comply with current electrical codes, OSHA standards & industry design level. Added new electrical controls, SCADA systems, PG&E service updates, force main pipe bursting, new & improved lift station structures & other upgrades such as piping, pumps, flow meters, etc.


Sanitary Sewer Lift Stations Rebuild

Owner: City of Sunnyvale

Date of Completion: June 11, 2015

Contract Amount: $999,900.00

Contact: Michael Ballard (408) 730-7618

DOWNIEVILLE TREATMENT PLANT REPLACEMENT

Replaced an existing water treatment plant, including demolition of existing facilities, site work, construction of new masonry block treatment building, construction of new cast-in-place concrete reclamation basin, construction of new masonry block booster pump building, installation of filtration equipment, pumping equipment, chemical metering equipment, electrical instrumentation and controls at 112 Lavezzola Road, Downieville, CA 95936.


Downieville Treatment Plant Replacement

Owner: Downieville Public Utility District

Date of Completion: March 2015

Contract Amount: $1,523,617

Contact: Richard Melim (530) 274-3566

RAILROAD AVENUE LIFT STATION

Involved reconstruction of the existing sewer lift station – temporary bypass of sewer flows, the demolition and removal of the existing lift station and wet well, and the installation of a new wet well, new pumps, new controls, new piping, a new manhole, a new generator, new overflow tanks, new block walls and chain link fencing, new sidewalk, new curb and gutter – completed, tested, and operational installation of the sewer lift station.


Sanitary Sewer Lift Stations Rebuild

Owner: City of Sunnyvale

Date of Completion: June 11, 2015

Contract Amount: $999,900.00

Contact: Michael Ballard (408) 730-7618

Suisun PUMP STATION ELECTRICAL EQUIPMENT REPLACEMENT PROJECT

Involved all things necessary for replacement of pump stations 2000A motor control center, three diesel engine pump controls, PLC control system, station lighting, and main breaker upgrades. The main breaker upgrades include the installation of remote breaker actuation and arc flash reduction systems.


Owner: Fairfield-Suisun Sewer District                      

Date of Completion: November 2014

Contract Amount: $1,067,111.50

Contact: Kirk Howard 707-428-9155

DISCOVERY BAY PUMP STATION F REHABILITATION

Installed pump equipment and pump station improvements for the Town of Discovery Bay Community Services District. Project consisted of civil site work (earthwork, trenching, and piping), site mechanical work (pump and piping install), site electrical and instrumentation (electrical and instrumentation equipment, conduit, and wiring), concrete structures, and associated miscellaneous improvements.


Discovery Bay Pump Station F Rehabilitation

Owner: Town of Discovery Bay Community Service District

Date of Completion: October 2014

Contract Amount: $425,147

Contact: Virgil Koehne (925) 634-1733

SACRAMENTO CITY COLLEGE BASEBALL SCOREBOARD

Provide labor and materials to install new Owner supplied Daktronics scoreboard, including the following: Remove existing scoreboard, setup and pour footings/mounts, provide and install new columns, and install new scoreboard.


Sacramento City College Baseball Scoreboard

Owner: Los Rios Community College District

Date of Completion: October 2014

Contract Amount: $10,000

Contact: Greg Hayman (916) 558-2111

ANTIOCH CAMBRIDGE BOOSTER PUMP STATION

Booster Pump Station Upgrades included install of two new vertical turbine pumps, connection piping, control systems, electrical improvements, and site restoration. Connected the new pumps to existing water mains, installing a new magnetic flow meter in a new below-grade vault, carrying out existing electrical system modifications, extending the electrical to deliver power to two new pumps and their variable frequency drives, constructed enclosure around the pumps, erecting new chain link fencing and gates, and implemented traffic control and water pollution control.


Antioch Cambridge Booster Pump Station

Owner: City of Antioch

Date of Completion: July 2014

Contract Amount: $674,992

Contact: Scott Buenting (925) 779-6129

MODESTO JENNINGS WASTEWATER TREATMENT PLANT IMPROVEMENTS

Construction of the Jennings WWTP Improvements project complete and ready for operation. Project includes construction of new sun shade structures over the chemical storage area, permeate pump pad area, and UV disinfection area; construction of a new irrigation water flow meter vault, including installation of a new flow meter and appurtenances; and application of shotcrete to the perimeter banks of the oxidation ditch.


Modesto Jennings Waste Water Treatment Plant Improvements

Owner: City of Modesto

Date of Completion: July 2014

Contract Amount: $890,350

Contact: Rick Salinas (209) 577-5474

Sacramento Sump 80 & 143

Modified two existing city sewage lift stations (Sumps). Included install of temporary bypass pumping systems; salvaging indicated equipment; removed existing centrifugal pumps; partial removal then abandonment of existing underground dry pump rooms that were backfilled with lean concrete (CLSM); modified existing concrete wet well structures including application of a protective lining; installing new submersible pumps and new electrical wiring and monitoring equipment; installed new valve vaults, piping, and appurtenances; furnished and installed one electrical equipment building and one electrical equipment cover; pavement restoration; installed two water meters; recycling construction debris; removal of temporary facilities; and site cleanup.


Sacramento Sump 80 & 143

Owner: City of Sacramento

Date of Completion: July 2014

Contract Amount: $806,028

Contact: Stu Williams (916) 808-1410

EL DORADO IRRIGATION DISTRICT CHLORINE CONVERSION: RESERVOIR A WATER TREATMENT PLANT

Project included installation of partial building, roof and lime silo system demolition; building addition and roof construction; chemical feed systems construction, heating and ventilating systems installation, plus related plumbing, electrical and instrumentation and construction sequencing all as required for work within a continuously operating water treatment facility.


EID Chlorine Conversion: Reservoir A Water Treatment Plant

Owner: El Dorado Irrigation District

Date of Completion: May 2014

Contract Amount: $1,403,270

Contact: Bob Rice (530) 642-4079

UC Davis Neuroscience Building Emergency Power Upgrade

Installation of new 800KW emergency generator and the electrical infrastructure required to support the install including automatic transfer switch, load bank and distribution panel. New generator was housed within an enclosure and was connected to PG&E on the site – increased emergency power capacity by thirty-five percent. Neuroscience Center’s electrical improvements included aluminum wires at the main electrical rooms. Work included relocation of existing undersized 50KW emergency generator from the Center to the Annex’s fenced enclosure.


UC Davis Neuroscience Building Emergency Power Upgrade

Owner: University of California Davis

Date of Completion: December 2013

Contract Amount: $555,540

Contact: Mike Carson (530) 754-5741

Frazier Sand House 07-4T3504

Construct sand-salt shed near Lebec at Frazier including asphalt paving, structural concrete, and pre-engineered steel building.


Frazier Sand House 07-4T3504

Owner: CalTrans Department of Transportation

Date of Completion: October 2013

Contract Amount: $810,468

Contact: Hin Hartanto (818) 262-7120

Construct New Fish Hatchery Building

Construct New Fish Hatchery Building; consisted of new rigid frame metal building with underground utilities, plumbing, electrical system, and other miscellaneous work.


Construct New Fish Hatchery Building

Owner: State of California, Department of Fish & Game

Date of Completion: May 2013)

Contract Amount: $632,000.00

Contact: Robert Benson (916) 323-1587

workcontinue to page 6back to page 4

Koch & Koch, Inc.

13084 John Bauer Ave Grass Valley, CA 95945

(530) 432-4000

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