Per the owner, as of January 13, 2022, two companies have been awarded for this solicitation. Closed solicitation has been included below for reference. ..................
The City of Coalinga is seeking a qualified professional engineering firm to assist in the completion of a series of water system infrastructure projects. These are primarily capital repair projects for the water plant and distribution system associated with a pending revenue bond issue. Qualified firms must have extensive experience with municipal water systems and be able to devote the necessary resources to completing these projects in reasonable time. The City of Coalinga is located at the southwestern portion of the San Joaquin Valley in an area known as Pleasant Valley. Access to Coalinga is primarily by State Route 198 and by State Route 33, with Interstate 5 located approximately 13 miles to the east of town. The current population of the City of Coalinga is approximately 17,000 including Pleasant Valley State Prison and Coalinga State Hospital. The City of Coalinga Water Filtration Plant was dedicated in 1972, for the first time providing a reliable and satisfactory source of water for its community. The plant relies on a conventional treatment process consisting of chemical pretreatment, flash mixing, flocculation, sedimentation, filtration, disinfection, and post chemical treatment. The original treatment plant treated eight million gallons per day (MGD) followed by an expansion in 1993 allowing treatment of up to 12 MGD. The maximum amount of water treated in one month to date was 232 MG in July 2007. Average daily flow through the plant is currently approximately 3.4 MG. The City's existing water system consists of the following:
1. 12 MGD surface-water treatment plant supplied by water from the California Aqueduct via the Coalinga Canal.
2. Booster pump station at the water plant that lifts the treated water in a series of 24-, 27- and 30- inch transmission mains leading to Coalinga.
3. Primary storage reservoirs, including the 2.8 MG Palmer reservoir, the 7.5 MG Derrick Reservoir, and the 5 MG Calaveras Reservoir. Nearly all water consumed within the City flows through the
Derrick Reservoir while the Calaveras Reservoir is the primary storage for water flowing to the prisons.
4. Supply to oil companies and other rural customers outside of the City, including two booster stations and associated smaller water storage tanks.
5. The City distribution system consisting of water mains ranging in size from 4 to 16 inches. There are approximately 3,000 service connections providing water to the customers in the City Please submit all questions by email to Sean Brewer, Assistant City Manager, at sbrewer@coalinga.com. The method of contractor selection has not been determined at this time.
.webp)
