OUR PROJECTS
Combined years of Experience
150+ years
Completed Projects
1000+
Year Established
2013
Location
DIAMOND REGIONAL LIFT STATION
Bid Date: 2024
Contractor: Garney Construction
Engineer: Carollo
Project Description: The Diamond Regional Sewer Lift Station and Dual Force Mains Project will receive raw wastewater and pump it through two new parallel 18-inch and 26-inch HDPE force mains and discharge into an existing junction structure on an existing 54-inch gravity sewer pipeline along Lakeshore Drive.
The lift station will pump an average daily flow of 3.0 MGD dry weather flow and will have the ability for future phased expansions for up to 6.6 MGD of average flow. The lift station includes a 55 foot deep wet well requiring approximately 11,000 LF of sheet pile shoring, drilled concrete piers, dewatering, thermal monitoring of mass concrete, installation of 4 Vertical Non-Clog Centrifugal Pumps and pre-engineered odor control system. The sewer lift station work also includes the demolition of the Interim Summerly Lift Station and the Back Basin Groundwater Filtration Plant Lift Station and downsizing of the B-1 Lift Station. The dual force mains work includes approximately 3,400 linear feet of 18-inch and 26-inch HDPE fused pipe,102 linear feet of jack and bore in Lakeshore Drive and 686 linear feet of micro-tunneling a 66-inch diameter casing across the San Jacinto River.
Location
REGIONAL SAN- BNR PROJECT
Bid Date: 2016
Contractor: Dragados USA
Engineer: Black and Veatch
Project Description: The Regional San BNR Project is a significant undertaking aimed at enhancing the wastewater treatment capabilities within the region. The project involves the construction and installation of advanced biological nutrient removal (BNR) systems designed to improve water quality and ensure compliance with environmental regulations. Key components of the project include the integration of state-of-the-art filtration systems, the installation of high-efficiency pumps and valves, and the implementation of automated control systems to optimize operational efficiency.
Location
OROVILLE DAM EMERGENCY SPILLWAY REPAIR
Bid Date: 2017
Contractor: Kiewit Infrastructure West
Engineer: CA DWR
Project Description: This project included a comprehensive overhaul of the 3,000-foot main spillway that was damaged, along with the creation of a new emergency spillway. Capital Flow provided thousands of feet of custom perforated piping to construct one of the largest under drain systems ever designed.
Location
CDCR MULE CREEK WASTE WATER TREATMENT PLANT
Bid Date: 2015
Contractor: Anderson Pacific
Engineer: CA Department of Corrections/ GHD
Project Description: The California Department of Corrections and Rehabilitation (CR) Mule Creek State Prison (MCSP) currently utilizes a combined domestic and industrial wastewater system, treating the mixed waste at an onsite domestic wastewater treatment facility. However, the CDCR facility is not equipped to handle industrial waste compounds. To aid the contractor in achieving compliance with the Water Quality Board, Capital Flow supplied all necessary pipes, valves, and fittings.
Location
USD THICKENER CONTROL BUILDING IMPROVEMENTS
Bid Date: 2014
Contractor: GSE Construction
Engineer: Carollo
Project Description: Improvements of the gravity sludge thickening process with changes in the piping, pump, and electrical equipment layout which will improve the operation, efficiency, and reliability of the process which conveys thicken sludge to the primary digesters. Capital Flow supplied various glass lined piping, valves, and appurtenances to complete this project.
Location
CA ELK GROVE ECHOWATER SRWWTP NST
Bid Date: 2016
Contractor: Flatiron Construction
Engineer: Carollo
Project Description: Flatiron's tertiary treatment facility will lower elevated ammonia levels produced from anaerobically digested biosolids by nitrifying ammonia. This process will generate nitrate-rich effluent, which can be utilized for odor control throughout different areas of the facility. A flow diversion structure will capture the flow and redirect it to the new treatment system, while a fine screening facility will eliminate debris.
Location
CITY OF SACRAMENTO
Bid Date: 2015
Contractor: Florez Paving
Engineer: City of Sacramento
Project Description: We have incorporated a large diameter pipeline to improve the current storm drain distribution system.
Location
CDCR SAN LUIS OBISPO MEN'S COLONY- FILTER DRAIN SYSTEM
Bid Date: 2018
Contractor: Kinyon Construction
Engineer: CDCR GHD
Project Description: Capital Flow supplied the piping and large XYLEM filter under drain system for the Men’s Colony Prison system.