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Dual Water System Improvement Project

Active
State & Local

Contract Overview

Solicitation details, issuing organization, response deadlines, documents, and interested companies for this government contract opportunity.

AI Contract Overview

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The Dual Water System Improvement Project involves constructing a new infrastructure system for the Oildale Mutual Water Company to supply non-potable water for landscape and exterior use, thereby conserving treated drinking water for internal purposes. The project includes six water supply wells, two 2.0 million gallon welded steel storage tanks, a booster pump station, and associated pipelines. The wells, located between the Lerdo-Beardsley Canal and Zerker Road, will be drilled to approximately 1,000 feet and equipped with vertical turbine pumps, variable speed drives, and reinforced concrete foundations with steel shade structures and back-up generators. One well will include a Granular Activated Carbon treatment system to remove 1,2,3-TCP. The storage tanks, built to AWWA D100 standards, will rest on concrete ringwalls and be epoxy coated inside and out, located on OMWC property south of Imperial Avenue and north of Flyover Court. Water from the wells will flow via a 36-inch transmission main to the tanks, then be distributed by gravity to surrounding residential areas and via the booster pump station to commercial and industrial zones near Highway 65 and Imperial Avenue. The booster station includes fusion-bonded epoxy-lined steel piping, booster pumps, motors, and a 3,000-gallon hydropneumatic pressure tank with full electrical and SCADA controls. All well sites will be fenced with 6-foot chainlink or masonry walls and surfaced with ¾-inch Class II aggregate. A 36-inch C905 PVC transmission main will extend 8,900 feet west along Imperial Avenue to Highway 99, crossing under the highway, UPRR railroad, and the Lerdo-Beardsley Canal via a 715-foot tunnel boring method using a 48-inch casing. Additionally, a 12-inch potable water main will be extended along Saco Road and crossed under the same obstacles with a 16-inch pipeline and 30-inch casing using the bore and jack method. All crossings require permits from Caltrans, UPRR, and the North Kern Water Storage District. The project must comply with strict environmental controls, including protection of endangered species such as the San Joaquin kit fox and giant kangaroo rat, adherence to CEQA mitigation measures, and use of zinc phosphide for rodent control instead of more toxic alternatives. Contractors must conduct pre-construction wildlife training, use escape ramps in all trenches over two feet

General Info

Construct dual water system with wells, tanks, pumps, pipelines to supply non-potable water, conserve drinking water, and comply with environmental and permit requirements.

Agency

California → North of the River Municipal Water District

NAICS

237110 - Water and Sewer Line and Related Structures ConstructionView NAICS

Place of Performance

Community Drive, Shafter, CA, 93314

Set-Aside

NONE

Documents

(4)

Notice of Completion - Dual Water System Improvement Project

PDF•notice-of-completion

Dual Water System Improvement Project Initial Study and Mitigated Negative Declaration July 2025

PDF•environmental-documentation

Notice of Intent to Adopt Mitigated Negative Declaration for Dual Water System Improvement Project

PDF•special-notice

Summary Form for Dual Water System Improvement Project Submittal

PDF•environmental-summary

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Organization & Contact Information

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AgencyCalifornia → North of the River Municipal Water District
Contacts3 people available
OfficeN/A
Organization / Agency
California → North of the River Municipal Water District
Office AddressN/A
Contacts
Doug NunneleyGeneral Manager
contact@example.gov
+1 (555) 000-0000
Curtis M. SkaggsSenior Engineer
contact@example.gov
+1 (555) 000-0000
Ryan NunneleyGenera
contact@example.gov
+1 (555) 000-0000

Interested Companies (1)

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Dee Jaspar & Associates
Bakersfield, CA

Full Description

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The proposed project involves constructing six new water supply wells, two 2.0 MG welded steel storage tanks, a booster pump station, and the associated water conveyance pipelines for the Oildale Mutual Water Company (OMWC) as part of their dual water system whereby these facilities will supply landscape water and water for exterior use only. This will serve to save treated water for interior uses and drinking water purposes while using raw water for exterior and landscape uses. The two 2.0 MG AWWA D100 welded steel storage tanks and booster pump station are planned to be constructed at the existing OMWC property that is located south of Imperial Avenue and north of Flyover Court on APN 482-170-11 just west of Highway 65 in Section 33, T28S, R27E, M.D.B.&M. The two 2.0 MG storage tanks will be filled by a dedicated 36-inch transmission main that is connected to the five to six water supply wells. The water from the storage tank will then be conveyed to the existing developments to the west by gravity. In addition, the booster pump station will supply water to the area of the commercial and industrial development around Highway 65 and Imperial Avenue for exterior and landscape purposes. The tank dimensions are anticipated to be approximately 105-ft diameter by 32-ft tall and will be a welded steel storage tank that is epoxy coated on the interior and exterior and rests on a concrete ringwall foundation. The booster pump station will include above ground steel piping that is fusion bonded epoxy lined and coated, has booster pumps and motors, a 3,000-gallon hydropneumatic pressure tank, and electrical and controls. Each of the five or six well sites will be located between the Lerdo-Beardsley Canal and a ½-mile west of Zerker Road in Sections 34, 35, & 36, T28S, R26E, and Section 31, T28S, R27E, M.D.B.&M. The wells are planned to be drilled to an approximate depth of 1,000-ft and will be equipped with a vertical turbine pump and vertical hollowshaft electric motor and variable speed drive. The site will be fenced with 6-ft tall chainlink fencing with vinyl slats or masonry block walls to match the surrounding residential developments. The well site will be surfaced with ¾” Class II aggregate base with the limits being the fencing or block wall. The well site will include an electrical meter main, motor control center, PLC, and SCADA and will be installed on a concrete foundation with a steel shade structure. The well facility will also include a pad-mount emergency back-up generator. The well discharge piping will be 12-inch steel piping with a 3,000 gallon hydropneumatic pressure vessel. A 10-ft x 10-ft metal building enclosure will be installed around the deep well pump and motor for noise attenuation. The well discharge piping will transition below ground and to 12-inch C900 PVC pipe prior to leaving the site. The 12-inch C900 PVC piping will connect to the existing dual water system distribution piping that is installed as part of the residential development. One of the well sites is anticipated to be a potable water well. This well will be equipped in similar fashion to that described above but may also include a well head treatment system such as Granular Activated Carbon for the removal of 1,2,3-TCP. The treatment system would be installed on a reinforced concrete foundation and connected to the well discharge piping. In addition, a 36-inch C905 PVC transmission main will be installed from the tank and booster pump station site at APN 482-170-11 west along Imperial Avenue approximately 8,900-ft to the Highway 99. The transmission main will be installed with a minimum 36-inches of ground cover. The transmission main will then cross the Highway 99, the UPRR railroad tracks, and the North Kern Water Storage District Lerdo-Beardsley Canal with a 48-inch cased crossing approximately 715-ft in length via the tunnel boring method. In addition, OMWC will extend an existing 12-inch potable water main northwesterly along Saco Road approximately 985-ft and cross the Highway 99, the UPRR railroad tracks, and the North Kern Water Storage District Lerdo-Beardsley Canal with a 16-inch pipeline and a 30-inch cased crossing approximately 340-ft in length via the bore and jack method. The cased crossings will be permitted with the California Department of Transportation (Caltrans), the UPRR Railroad, and the North Kern Water Storage District.

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