GSW CONSTRUCTION, INC.
VOLUME 1
A HEAVY CIVIL CONTRACTOR PROVIDING SERVICES IN THE GREATER BAY AREA www.gswconstruction.com
GSW CONSTRUCTION, INC. Safety is our #1 priority!
www.gswconstruction.com
GSW Construction, Inc.
Certifications
California Contractors License (General A/HAZ) #1085562 San Francisco Micro LBE #CMD01231000511 California Micro Small Business #2026697 ISN Networld #400-437789
05
www.gswconstruction.com
GSW CONSTRUCTION, INC.
Founded in March of 2021, GSW serves public utility agencies, private utility agencies, as well as general contractors throughout the greater San Francisco Bay Area. GSW was founded by experienced heavy civil construction professionals, with a collective experience of over 40 years. GSW specializes in small to large construction projects in the public and private sector. GSW’s construction expertise ranges from mass excavations, structural concrete, wet and dry utilities, large diameter welded steel pipe, water and wastewater facilities, aviation fuel line installation and distribution. GSW CONSTRUCTION, INC. IS A LICENSED HEAVY CIVIL CONTRACTOR LOCATED IN SAN FRANCISCO, CALIFORNIA
101 The Embarcadero Suite #123, San Francisco, CA | www.gswconstruction.com
22-015.1.2
CALAVERAS SPILLWAY RETRACTABLE LADDER REPLACEMENT
SAN FRANCISCO PUBLIC UTILITIES COMMISSION
SCOPE OF WORK: Design and fabricate new ladder system. www.gswconstruction.com
22-013
900 INNES SHORELINE REMEDIATION PROJECT POWER ENGINEERING
www.gswconstruction.com
22-013
Construction, Completion and Storm Damage Survey, fabric, and rock install. Excavation occurred during low tide to properly install rock protection and fabric.
Completion Photos: Cobble Revetment
Geotextile fabric was wrapped per detail under cobble.
Storm Damage Photos: Photos of cobble revetment destroyed by erosion from the bay sloughing off parking area above .
www.gswconstruction.com
22-015.3
HARRY TRACY WATER TREATMENT PLANT AMMONIA UPGRADES
HETCH HETCHY REGIONAL WATER SYSTEM SAN FRANCISCO PUBLIC UTILITIES COMMISSION
www.gswconstruction.com
22-015.3
SCOPE OF WORK : Replacing and installing additional aqua ammonia piping support frames for the piping systems to withstand code-level seismic forces. Other work includes installing a redundant 1" aqua ammonia line inside the TWR Chemical Injection/Mixing Vault and modernization of the existing Ozone Generator Power Supply Units.
Aqua Ammonia piping supports Replace or modify existing aqua ammonia piping supports. Transfer pump base work. Phased work to isolate ammonia lines and minimize work hazards. Ozone Generator upgrades Pass through. Installation of PSU, PLC, HMI will be by SFPUC/EMTs. Aqua Ammonia piping work inside the manifold room Replace existing PVC piping with stainless steel. New redundant line within manifold room.
www.gswconstruction.com
Bollman WATER TREATMENT PLANT CHEMICAL STORAGE IMPROVEMENTS
22-016
Temporarily removing sludge collector equipment; demolishing embedded pipe supports. Temporarily removing 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.
Dispose of removed materials, equipment, and residual chemicals. 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. Reinstalling existing chemical tanks. Furnishing and installing chemical piping, fittings, valves, pipe supports, control panels, and instrumentation. Furnishing and applying coating on existing fiberglass control panel enclosures. 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. Training to staff for new equipment.
www.gswconstruction.com
22-016
Chemical Storage Improvements, Phase 2 and Seismic Strengthening
www.gswconstruction.com
HEAVY INDUSTRIAL MECHANICAL PIPING
www.gswconstruction.com
B31.3 Process Piping Valve Replacement Mechanical Equipment Install Tank Farm Modifications and Repairs
www.gswconstruction.com
22-017
PALO ALTO TWO TURN OUTS City of Palo Alto
www.gswconstruction.com
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.
www.gswconstruction.com
22-020
ORO LOMA H2S SPONGE PROJECT ORO LOMA SANITARY DISTRICT, ALAMEDA COUNTY
www.gswconstruction.com
22-020
DIGESTER GAS ISOLATION AND PURGING
Relocation and installation of an owner-furnished vacuum tank to be used as an iron sponge for H2S removal. Provide and install all associated valving, piping and supports to connect the tank into the existing digester gas feed and new condensate drainage inlet. Installation of tank filter system including owner- furnished cobbles, mesh and iron media.
Provided all piping; including fittings, valves, supports, and accessories. Interconnect all equipment with piping for complete and operable systems including drains.
www.gswconstruction.com
22-027
DALY CITY EMERGENCY MECHANICAL PIPING AT CITRUS HEIGHTS AVE PUMP STATION
www.gswconstruction.com
22-027
EMERGENCY MECHANICAL PIPING
www.gswconstruction.com
23-002
SAN MATEO TRASH CAPTURE DEVICE
CITY OF SAN MATEO
www.gswconstruction.com
23-002
Poplar at Golf Course Trash Capture Project
The Poplar at Golf Course Trash Capture Project is a part of the City’s plan to achieve compliance with the San Francisco Bay Regional Water Quality Control Board’s (RWQCB) Municipal Regional Stormwater Permit. The permit requires reduction of trash and litter, relative to 2009 baseline values, by 90% by June 20, 2023 and by 100% by June 30, 2025. The Project consists of installing four full-capture screen devices within an existing concrete-lined storm drainage channel adjacent to the Poplar Creek Golf Course.
www.gswconstruction.com
23-004
AMAT Duct Bank Cupertino Electric
www.gswconstruction.com
23-004
AMAT Excavation Cupertino Electric
www.gswconstruction.com
23-005
MOFFETT FIELD USGS RESEARCH FACILITY HENSEL PHELPS
www.gswconstruction.com
23-005
FUEL LINE ABONDONMENT
Mobilization 1 – sampling & analysis Extract and contain sample of pipe contents for testing Haul facilities Mobilization 2 - Pipe remediation Excavate existing Jet A Fuel line. Extract and off-haul all pipe Waste manifests prior to off-haul
Cut, remove, and dispose of riser section Pump line remaining on site full of slurry
Safely abandon an existing fuel line with cementous slurry and remove residual product in pipeline
www.gswconstruction.com
23-006
NEW BEDFORD SEWER LIFT STATION VALLEJO FLOOD & WASTEWATER DISTRICT
www.gswconstruction.com
23-006
Wet Well & Underground Piping
www.gswconstruction.com
23-025
STORM DRAIN SLIDE GATE REHABILITATION PROJECT CITY OF SANTA CLARA PUBLIC WORKS DEPARTMENT
Install a total of three new slide gates for the City of Santa Clara Department of Public Works (SCDPW). Four temporary sewage bypasses to maintain service during inspections removal and installation of the new slide gates. Eastside Pump Station: Replacement of two existing slide gates and frames. Rambo Pump Station: Replacement of one existing slide gate, frames, and new electric motor actuator. Rambo Pump Station: Installation of new electric motor operator. New electrical and mechanical systems will go through testing, start-up, and commissioning. Instrumental Control systems, devices, and instruments. www.gswconstruction.com
23-025
www.gswconstruction.com
23-029
DALY CITY PUMP STATION SHUTDOWN
CITY OF DALY CITY
www.gswconstruction.com
23-029
Effluent Line Repair
Replace all piping Engineer/Design Pipe Remove and Replace flow meter
www.gswconstruction.com
23-015
EMERGENCY PIPE REPAIR JOB
www.gswconstruction.com
23-015
www.gswconstruction.com
CORE VALUES
FAMILY SAFETY INTEGRITY RESPECT COLLABORATION INNOVATION
Our core values are the bedrock of GSW Construction, Inc.
Organization culture is the
collective result of how the people on the team think and behave.
www.gswconstruction.com
www.gswconstruction.com
www.gswconstruction.com
Page 1 Page 2 Page 3 Page 4 Page 5 Page 6 Page 7 Page 8 Page 9 Page 10 Page 11 Page 12 Page 13 Page 14 Page 15 Page 16 Page 17 Page 18 Page 19 Page 20 Page 21 Page 22 Page 23 Page 24 Page 25 Page 26 Page 27 Page 28 Page 29 Page 30 Page 31 Page 32 Page 33 Page 34 Page 35 Page 36Made with FlippingBook Digital Publishing Software