Construction Management reviews and provides design recommendation to Capital Projects prior to advertisement of a bid, takes responsibility for management of the construction process from bid opening through project completion, evaluates any claims submitted by Contractors, performs all field quality control, prepares inspection reports, and handles all warranty work notification and verification. Listed below are projects in-progress or projects that have been completed in the past few years.
Projects In Progress
Mirabel Fish Screen and Fish Ladder Replacement
Date Started: July, 2014
Contract Amount: $12,032,000.00
Description: The Work consists of construction of a vertical slot fish ladder, fish screen with 6 intake bays, and viewing gallery with 400 square feet of viewing windows at 10290 Westside Road, near the unincorporated town of Forestville, Sonoma County, California. The Work includes a temporary dam and rock fish passage upstream of the Wohler Bridge, pipe pile foundation system, fish screen cleaning system with a vertical traveling brush and controller, and dewatering of the river channel and groundwater as necessary to maintain dry working conditions. The Work covers approximately one acre of previously developed land requiring earthwork removal in the riverbank to create facility access and maintenance roads.
404 Aviation Boulevard Roof Replacement Project
Date Started: July, 2014
Contract Amount: $812,950.00
Description: The Work consists of roof replacement of a 63,000 square foot, actively occupied office building, located at 404 Aviation Blvd., Santa Rosa, in unincorporated Sonoma County, CA. The Work includes, but is not limited to, the removal and replacement of existing roof; removal and storage of existing solar panels, and reinstallation of solar panels in working condition after roof work is completed.
Mirabel Site Seismic Improvements
Date Started: December 2013
Contract Amount: $1,663,600.00
Description: Work includes clearing, grading, utility protection and relocation, soil densification through vibro replacement methods, and quality control testing.
South Park County Sanitation District Gloria Drive – Meekland Court Collection System Replacement and Gloria Drive & Valerie Way Water Main Replacement
Date Started: October 2013
Contract Amount: $3,083,608.10
Description: Work includes replacing approximately 6,570 feet of existing 6-inch and 8-inch sewer main pipe and appurtenant sewer laterals, manholes, and main line cleanouts with new 8-inch PVC sewer main and appurtenant sewer laterals, manholes, and main line cleanouts; replacing approximately 2,078 feet of existing 4-inch water main and appurtenant water services with new 8-inch PVC water main and appurtenance water services; and the addition of two new fire hydrants. Sewer-related Work is located on portions of Gloria Drive, West Avenue, Camellia Court, Valerie Way, Metaxa Court, Southwood Drive, Leo Drive, Meekland Court, Dutton Avenue, and Mathwig Drive and is within existing public sewer easements. Water-related Work is located on portions of Gloria Drive and Valerie Way. All Work is located in an unincorporated area outside the city limits of Santa Rosa.
Russian River County Sanitation District Treatment Plant Biological Nutrient Removal
Date Started: September 2013
Contract Amount: $2,461,300.00
Description: Construction of a biological nutrient removal system at Russian River County Sanitation District’s treatment plant located at 18400 Neeley Road, Guerneville, California. Work includes the construction of baffle walls, pumping recirculation, micro diffuser aeration, blowers, mixers, motor control center, electrical panels, instruments, and controls.
Dry Creek Habitat Enhancement Demonstration Project, Phase II
Date Started: June 2013
Contract Amount: $4,085,512.00
Description: Construction of habitat modifications within the Dry Creek Valley along Dry Creek from approximately ½mile upstream of Lambert Bridge Rd to ½ mile downstream of Lambert Bridge Road, near City of Healdsburg, California. Work includes habitat modification including new side channels, ponds, alcoves, and rock weir riffles; enhancements to existing pools through selective grading, installation of woody debris, log jams, and large boulders as anchor material; vegetation planting; installation of erosion control measures; excavation; and dewatering.
Sonoma Valley County Sanitation District Biosolids Management Upgrade
Date Started: May 2013
Contract Amount: $3,000,200.00
Description: Upgrading the biosolids handling facility at the Sonoma Valley County Santiation District Wastewater Treatment Plant located at 22675 8th Street East, Sonoma, California. Work includes the installation of a new screw press and construction of new equipment and load-out building. Work also includes removal of an existing belt press and conveyor, electrical, and preparation and painting of pump room in the existing dewatering building.
Recently Completed Projects
North Bay Water Reuse Program, Sonoma Valley County Sanitation District, Napa Salt Marsh Restoration Pipeline, (Carneros Reservoir to Huichica Unit)
Date Started: March 2013
Date Completed: November 2013
Final Amount: $ 4,480,053.26
Description of Work: Construction of a recycled water transmission pipeline in an unincorporated area of Sonoma and Napa Counties. The Work included the installation of approximately 18,200 lineal feet of 18- inch diameter recycled water transmission pipeline by means of direct bury, horizontal directional drilling or bore and jack; pipe appurtenances; and incidental related Work.
Santa Rosa Aqueduct Seismic Hazard Mitigation (Rodgers Creek Fault Crossing)
Date Started: December 2012
Date Completed: October 2013
Final Amount: $3,305,336.63
Description of Work: Seismic hazard mitigation for the Owner’s Santa Rosa Aqueduct at the Rodgers Creek fault crossing, within the limits of the City of Santa Rosa, California, on Sonoma Avenue between intersections of Sotoyome and Doctors Park Drive. The Work included the installation of approximately 1,900 linear feet of 36-inch steel water pipe including related fittings and appurtenances, a new water meter turnout, a manifold system to allow for bypass flows, cathodic protection system, electrical service panel, conduits, and cables, and abandonment of existing meter vault and a portion of the existing aqueduct.
Service Center Relocation (2025 Aviation Boulevard)
Date Started: May 2012
Date Completed: July 2013
Final Amount: $2,817,437.58
Description of Work: Construction of a new building and remodeling of an existing building to for the Water Agency’s new Service Center at 2025 Aviation Boulevard, Santa Rosa, California. Work included the construction of a pre-engineered metal building, grading, paving, mechanical, electrical, and related work. In addition, Work included construction of a pond loop system involving the heating, ventilating, and air conditioning system in the new building, which was a specific component of the Renewable Energy Secure Communities project. The pond loop used the existing 100 million gallon recycled water storage pond as the heat dissipation source for heating and cooling of the new Service Center. The heating, ventilating, and air conditioning system in the new Service Center will circulate water in a closed loop through coils of plastic pipe installed at the bottom of the recycled water storage pond (pond loop). These coils of pipe will dissipate heat in the summer and absorb heat in the winter within the pond.
Airport-Larkfield-Wikiup Sanitation Zone Treatment Plant Emergency Gas Scrubber System
Date Started: January 2011
Date Completed: August 2013
Final Amount: $236,176.00
Description of Work: Installation of an emergency gas scrubber system at Water Agency’s wastewater treatment plant located at 2025 Aviation Boulevard, Santa Rosa, California. Work included providing a concrete pad, ventilation ducts, electrical power and controls, and the emergency gas scrubber unit.
Sonoma Tanks Fence Replacement
Date Started: November 2012
Date Completed: December 2012
Final Amount: $71,000.00
Description of Work: Installation and replacement of security fencing around the Sonoma storage tanks at 1st Street West, near Spain Street, Sonoma, California. Work included the construction of approximately 1400’ of security fencing, and various types of gates.
Dry Creek Habitat Enhancement Demonstration Project, Phase I
Date Started: September 2012
Date Completed: November 2012
Final Amount: $184,748.70
Description of Work: Construction of habitat modifications along Dry Creek at 4900 West Dry Creek Road near the City of Healdsburg, California. Work included habitat modification including new side channels, ponds, and alcoves, and rock weir riffles; enhancements to existing pools through selective grading, installation of woody debris, log jams, and large boulders as anchor material; vegetation planting; installation of erosion control measures; excavation; and dewatering.
Russian River County Sanitation District Disinfection Upgrade Project
Date Started: May 2011
Date Completed: September 2012
Final Amount: $2,630,133.85
Description of Work: Construction of a new ultraviolet light (UV) disinfection system at the Russian River County Sanitation District treatment plant located 18400 Neeley Road, Guerneville, California. Work included a low-pressure, high-output UV disinfection system in a 2-channel concrete basin; a coagulation and flocculation tank and chemical feed equipment; and piping, electrical and other modifications at the treatment plant.
North Bay Water Reuse Program - Sonoma Valley Effluent Reservoir R5 Project
Date Started: July 2011
Date Completed: May 2012
Final Amount: $2,339,768.18
Description of Work: Recycled water storage reservoir to the North of the Sonoma Valley County Sanitation District Wastewater Treatment Plant (WWTP) located at 22675 8th Street East, Sonoma, California. The reservoir stores approximately 100 acre-feet of recycled water. Work included construction of a recycled water storage reservoir lined with a high-density polyethylene (HDPE) liner; inlet, outlet, overflow piping, concrete pumping station, and pump; 18-inch recycled water pipeline; and electrical and telemetry work to connect the reservoir into the WWTP and recycled water system.