2014 Box Canyon Hydroelectric PLC Control & Relay Upgrade Project

This project involves the installation of a new PLC based control system and digital protective relaying scheme that control and protect the facility’s two generator units and associated substation transformer which involves the following:

• Demolition of the existing electromechanical relaying as indicated at the plant control room and substation control building.
• Demolition of the existing PLC control system as indicated at the plant control room.
• Construction of an overhead cable tray at the plant control room.
• Installation and field wiring of new Owner-Furnished PLC cabinets at the plant control room.
• Prefabrication, installation, and field wiring of retrofit switch gear panel doors with specified metering and relaying equipment at the plant control room.
• Revision of existing field wiring at the plant control room switch gear and substation control house.
• Installation and field wiring of new ultrasonic level transducers.
• Replacement of hydraulic proportional valve controls for both generator units.
• Field wiring for PLC telemetry of Sump Pumps, Hydraulic Pumps, and Emergency Backup Generator.
• Installation and field wiring of RTD and field ground monitors for both generator units.
• Miscellaneous field wiring.
• Testing and commissioning of protective relays, PLC controls, and plant ancillary equipment.

Contract Amount:   $374,500.00
Start Date:                8/10/2014
Completion Date:    11/23/2015
Job No.:                     1407


2011 Bellvue Unified School District, Santa Rosa, CA

Project Description:

This project was a design-build by Blymyer Engineers, Inc, with Cal Electro Inc. installing the electrical portion of the Photovoltaic Arrays for Taylor Mountain Elementary, Kawana Elementary, Meadow View Elementary and Bellevue Elementary.  This work included directional drilling for underground conduit on campus, grounding and wiring PV Panels.  Work also included installation of transformers,  inverters, switchboards and hooking up to utility power.  Cal Electro, Inc. also installed current monitoring and wireless communications of monitoring of all solar panels


Contract Amount: $557,000.00      
Start Date:            July 2011  
Completion Date: September 2011
Job #:1348
2010 Big O Tires Rooftop Array,  Dublin, CA
CEI installed a small photovoltaic system for Big O Tires. The Superintendent on the job was Phil Irvine.
2009 Butte College Solar Project
CEI installed a photovoltaic system in a parking lot at Butte College, for Chevron Energy Solutions. This canopy system produces approximately 400 KW of clean energy.  The Butte College system was completed on time without any injuries.  Our superintendent on this project was Fred Bertagnolli.

Contract Amount: $353,000.00


2008 Milpitas Unified School District Solar Project
2003 Alameda County Fairgrounds Photovoltaic 
CEI installed a photovoltaic system for the California Construction Authority at the Alameda County Fairgrounds in Pleasanton, CA. At the time, this was the largest rooftop array in California. The $4 million, 1.6-megawatt system produces more energy than the 3 acres of solar panels installed on top of the Santa Rita county jail in Dublin. The 1.2 megawatt system was completed in April.  Phil Irvine was the superintendent.

Contract Amount: $598,000.00 
2002 Seaside Park Photovoltaic Ventura, CA 
CEI installed a photovoltaic system for the California Construction Authority at Seaside Park,  Ventura  County Fairgrounds. For months now, Seaside Park in Ventura has been quietly harnessing the sun's energy to generate much of its electricity -- a move designed to save the fairgrounds millions of dollars over the coming decades while safeguarding it from blackouts.

Contract Amount: $370,000.00 


2001 City of Redding Generator
CEI furnished all labor, material and equipment to complete a roadway extension, paving, finish grading, foundations, pipe bridge erection, miscellaneous pipe supports, underground duct bank and conduit, grounding, water piping wastewater piping, oil retention vault and natural gas line extension for Generating Unit No. 5 at the City of Redding Power Plant.

Contract Amount: $3,674,000.00 

1994 City of Redding Peaking Power Plant
CEI furnished all labor, material and equipment to install phase two electrical for Zurn Nepco at the Redding Peaking Power Plant, finish grading, foundations, control building, miscellaneous pipe supports, medium voltage cable, control cables, underground duct bank , buss duct, switchgear, testing and commissioning of the three 20 megawatt generators at the City of Redding Power Plant.

Contract Amount: $1,307,000.00