GSW CONSTRUCTION, INC.
VOLUME 2
A HEAVY CIVIL CONTRACTOR PROVIDING SERVICES IN THE GREATER BAY AREA www.gswconstruction.com
GSW CONSTRUCTION, INC.
GSW CONSTRUCTION, INC. IS A LICENSED HEAVY CIVIL CONTRACTOR LOCATED IN SAN FRANCISCO, CALIFORNIA Founded in March of 2021, GSW serves public utility agencies, private utility agencies, and general contractors throughout the greater San Francisco Bay Area. GSW was founded by experienced heavy civil construction professionals, with collective experience of over 40 years. GSW specializes in a wide range of construction projects, from small to large, in both the public and private sectors. GSW’s construction expertise encompasses a range of services, including mass excavations, structural concrete, wet and dry utilities, large-diameter welded steel pipe, water and wastewater facilities, aviation fuel line installation, and distribution. California Contractors License (General A/HAZ) #1085562 San Francisco Micro LBE #CMD01231000511 California Micro Small Business #2026697 ISN Networld #400-437789 Certifications
101 The Embarcadero Suite #123, San Francisco, CA | www.gswconstruction.com
GSW CONSTRUCTION, INC. Safety is our #1 priority!
GSW Construction
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22-015.8
SLTI ACWC SINKHOLE REPAIR
Inside the temple, water originally from the Pleasanton well fields and Arroyo de la Laguna flowed into a white tiled cistern before plunging into a deeper water channel carrying water from the filter galleries to the Niles Aqueduct in Niles Canyon and across San Francisco Bay near the Dumbarton Bridge.
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22-015.8
Excavation at Sinkhole
The existing pipe that was installed was creating a sink hole. Over 1100 ft. of pipe was removed.
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22-015.9
PILARCITOS DAM SIPHON PROJECT
Pilarcitos Reservoir is a primary SFPUC water source for the District and has been since 1949. The Reservoir was originally built in 1866. It is one of the main water supply sources for the city of Half Moon Bay and has to maintain a minimum capacity.
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22-015.9
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22-016
Bollman Water Treatment Plant
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22-016
Process Piping BOLLMAN WATER TREATMENT PLANT CHEMICAL STORAGE IMPROVEMENTS, PHASE 2 AND SEISMIC STRENGTHENING
STRUCTURAL CONCRETE
Temporarily removing sludge collector equipment; demolishing embedded pipe supports and existing chemical tanks. Demolishing concrete supports for existing tanks; removing pipe supports, chemical piping, valves, fittings, control panels, and instrumentation. Remove abandoned pipes and electrical conduits. Constructing concrete beams and columns for launder column bracing. Furnishing and installing safety railings. Repairing and patching concrete walls. Installing seals around existing pipe and conduit penetrations. Reinstalling existing sludge collector equipment Constructing new chemical tank pedestals and anchors. Furnishing and installing chemical piping, fittings, valves, pipe supports, control panels, and instrumentation, and reinstalling existing chemical tanks. Installing trench drains and storm drain pipes. Repurposing existing conduits and conductors. Furnishing and installing new lining and applying exterior coating on existing chemical storage tank. Furnishing and applying chemical resistant coating on existing concrete. Testing, startup, and re-commissioning of existing equipment that a part of the work; and providing training to District staff for new equipment.
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22-016
Bollman cont.
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22-016
Chemical Storage Improvements, Phase 2 and Seismic Strengthening
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22-017
PALO ALTO TWO TURN OUTS City of Palo Alto
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22-017
CITY OF PALO ALTO
Construct a temporary bypass pipeline in the WSTD vault to connect to the Palo Alto water main. The bypass piping will include a meter set consisting of a strainer, flow meter, swing check valve, and pressure reducing valve in the WSTD vault. Also replace the current 16” steel pipe connection between the vaults with ductile iron pipe according to the terms and plans detailed in CPAU’s plans. Replace a 16” water pipeline and install a 4” bypass at Service Connection #77, within a portion of SFPUC’s Pipeline Right of Way, located at California Avenue, in the City of Palo Alto. CA.
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23-004
AMAT Duct Bank Cupertino Electric
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23-004
AMAT Excavation Cupertino Electric
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23-006
VALLEJO FLOOD & WASTEWATER DISTRICT
NEW BEDFORD SEWER LIFT STATION
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23-006
Wet Well & Underground Piping
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23-006
NEW BEDFORD SEWER LIFT STATION CONT.
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23-006
NEW BEDFORD SEWER LIFT STATION 2023 2025
New Bedford Sewer Lift Station Project-
The work consists of: Construction of a new sanitary sewer lift station. Consists of a new wet well, submersible pumps, electrical and controls building, standby generator, and surge tank for hydraulic transient control.
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23-010
SFO JET FUEL HYDRANT SYSTEM TRANSFER LINE REPAIRS
BURNS & MCDONNELL
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23-010
Transfer Line and Hydrant System Repairs
This project consists of extension (to grade) of one low point drain (NLP-6) and a high point vent (OHP-6), decommissioning one fuel vault (FV-14), and installation of a high point vent riser into an existing isolation valve pit (BAB-IVP-50-3). This includes installation of pit components, associated equipment, hydrostatic pit testing, and application of protective coatings.
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23-011
DUCT BANK EXCAVATION AND INSTALLATION
CUPERTINO ELECTRIC, INC.
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23-011
Pot Hole- hand dig
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23-015
EMERGENCY MAYFAIR 6" WATER MAIN REPAIR
City of Daly City
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23-015
EMERGENCY MAYFAIR 6" WATER MAIN REPAIR Disinfect and install 110’ of new 6” C900 underground piping, valves, and appurtenances. This includes site restoration and A/C to match existing. Disinfect and install new 3ea. new service laterals.
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23-030
SUNOL VALLEY WATER TREATMENT PLANT GENERATOR FILTER UPGRADE CITY AND COUNTY OF SAN FRANCISCO
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23-030
FILTER UPGRADE FOR THE CITY & COUNTY OF SAN FRANCISCO
The objective of the project is to remove and replace the Sunol Valley Water Treatment Plant’s Backup Generator Filter and Load Bank, including the provision of a 1MW, 480VAC, 3PH, 60Hz, temporary backup generator during the construction.
Active Diesel Particulate Filter
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24-018
PIEDMONT PEDESTRIAN BRIDGE
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24-018
City installs new Piedmont Park pedestrian bridge
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24-019
UC DAVIS AGRICULTURAL INNOVATION CENTER Sub to Hensel Phelps Construction Co.
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24-019
UC DAVIS Agricultural Innovation Center
Distribution Piping Backflow Preventers Water Distribution Valves Fire Hydrants Disinfection of Domestic Water Piping Sanitary Sewerage Facilities Strom Drain Utilities
Excavation and Fill Asphalt Concrete Pavement Concrete Pavement Manholes and Structures Utility Line Signs, Markers and Flags Utility Meters Water Distribution Fire Suppression Water
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24-021
Trash Capture Device Installation on Arf Avenue
City of Hayward
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24-021
Reinstalling a City owned trash capture CDS Lifting CDS unit in place, cutting into and connecting existing storm drain RCP to CDS units. Crafting a collapsible weir, installing manhole riser, shoring, excavation, and backfilling, bypass pumping and/or groundwater dewatering, construct two new driveways and an AC pad for maintenance trucks, and traffic control.
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24-024
Ducks Unlimited Fish Screen
SUISUN MARSH WETLANDS
SCOPE OF WORK: Install of 24" HDPE, Fish Screen Replacement, Excavation & rebuild of existing levy.
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24-024
Install:
24" Smooth Wall HDPE 24" SS Gate Valve 24" Flapgate New Fish Screen
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24-037
NUNES WTP HYPOCHLORITE ROOM IMPROVEMENTS
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24-037
Performing concrete repairs, pouring slab, new mechanical piping, and installation of new hypochlorite generator.
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EMERGENCY PIPE REPAIR JOB
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Our core values are the bedrock of why our company exists and the foundation of how decisions are made in order to achieve our goals and fulfill our company’s vision.
Organizational culture is the collective result of how people on the team think and behave, their shared values and how they react to internal and external stimuli.
CORE VALUES FAMILY SAFETY INTEGRITY RESPECT COLLABORATION INNOVATION
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