CREEKS + CANALS
Project Name: Canal Safety and Drainage Improvements
Location: Contra Costa County
Owner: Contra Costa Water District
Owner Contact: Richard Morton – 925.688.8306
Prime Contractor Con-Quest Contractors, Inc.
Prime Contractor Contact Alex Baranoff
Architect/Engineer: CCWD
Architect/Engineer Contact: N/A
Construction Manger Contact: N/A
Description Of Project Scope: Safety improvements to 8 check structure landings and various drainage enhancements. Work included:
- CIP concrete landings and handrailing
- 560 lf of 4’ tall CIP retaining wall
- Fabrication and install of 7 stainless steel slide gates to control water flow in water canal
- Demo of existing pipe culvert and install 2 precast box culverts totaling 45 lf and shotcrete transition wing walls.
Original Bid Amount: $ 756,000.00
Change Orders $ 75,600.00
Claims $ ---0---
Final Contract Value: $ 831,600.00
Original Start Date: July 6, 2010
Original Duration: 270 Calendar Days
Original Completion Date: April 2, 2011
Time Extension Granted In Days: 28 Calendar Days – April 30, 2011
Actual Completion Date: April 29, 2011
Liquidated Damages: None
Recordable Accidents/ RAF: Zero / 0
Lost Time Accidents/ LAF: Zero / 0
OSHA Violations/ Fines: None
Project Name: Loop Canal Capacity Improvements to Martinez Reservoir
Location: Multiple Locations in Contra Costa County, CA
Owner: Contra Costa Water District
Owner Contact: Richard Morton
Prime Contractor: Con-Quest Contractors, Inc.
Architect/Engineer: Contra Costa Water District
Architect/Engineer Contact: N/A
Construction Manger Contact: N/A
Description Of Project Scope: Re-line 2,700 LF of Raw Water Canal with reinforced shotcrete. Increased canal capacity with the addition of 5,400 LF of canal walls. 154 lf of 9’ tall (1,400 SF) retaining wall using modular concrete units. Complete removal and replacement of 400LF of damaged concrete canal with new subgrade, reinforcing and shotcrete canal liner. – All work performed and completed within a planned district service outage. Water flow was restored 15 days ahead of schedule.
Original Bid Amount: $1,298,000.00
Change Orders: $103,835.00
Claims: $ ---0---
Final Contract Value: $1,401,835
Original Start Date: October 6, 2008
Original Duration: 240 Calendar Days
Original Completion Date: June 3, 2009
Time Extension Granted In Days: 0
Actual Completion Date: May 19, 2009
Liquidated Damages: None
Recordable Accidents/ RAF: Zero / 0
Lost Time Accidents/ LAF: Zero / 0
OSHA Violations/ Fines: None
Project Name: Guadalupe Creek Fish Ladder
Location: Campbell, CA
Owner: Santa Clara Valley Water District
Owner Contact: Tim Bramer – (408) 265-2607
Prime Contractor: Con-Quest Contractors, Inc.
Architect/Engineer: Owner
Architect/Engineer Contact: N/A
Construction Manger Contact: N/A
Description Of Project Scope: All work performed within Guadalupe Creek. Design and implement a gravity water diversion around work capable of handling 100 cfs of water flow in creek, including a back up pump system. Installation of a cast in place concrete fish ladder structure, erosion control, slope protection, rip-rap plunge pool, 5 new weir structures and modify existing. HAZ-MAT excavation and controlled disposal of 460 tons of Mercury contaminated soils. Monitor and maintain sensitive wildlife area within works limits discovered during construction.
Original Bid Amount: $819,620.00
Change Orders: $18,624.00
Claims: $ ---0---
Final Contract Value: $838,244.00
Original Start Date: August 11, 2008
Original Duration: 80 Calendar Days
Original Completion Date: October 29, 2009
Time Extension Granted In Days: 0
Actual Completion Date: October 29, 2009
Liquidated Damages: None
Recordable Accidents/ RAF: Zero / 0
Lost Time Accidents/ LAF: Zero / 0
OSHA Violations/ Fines: None
Project Name: Milepost 8.65 Canal Rehabilitation and Road Safety Improvements
Location: Contra Costa County
Owner: Contra Costa Water District
Owner Contact: Richard Morton – 925.688.8306
Prime Contractor: Con-Quest Contractors, Inc.
Prime Contractor: Contact Alex Baranoff
Architect/Engineer: CCWD
Architect/Engineer Contact: N/A
Construction Manger Contact: N/A
Description Of Project Scope: Work on this project consists of several different scopes in multiple locations.
Mallard Reservoir
- Abandonment of ten (10) existing water wells each 60’ deep
- New concrete pads and modifications to existing piezometers
Markley Canyon
- 6 CIDH piers 24” diameter 40’ deep.
- CIP reinforced grade beams and slab crane outrigger placement
Milepost 8.65
- Gravity feed water diversion for water canal flowing at 69 cfs
- Temporary cofferdam to divert water
- Demo and replacement of 150 lf of main water canal
- Shotcrete new canal lining and reinforcementRe surfacing of existing roads along canal
Milepost 23.03
- Drove 30 pair of AZ26 sheets with 15’ embedment via vibro hammer to stabilize a failed canal slope. Work was done as an emergency repair for CCWD. Mobilized C-QC’s own crane and equip to complete.
Original Bid Amount: $ 879,300.00
Change Orders: $ TBD
Claims: $ ---0---
Final Contract Value: $ TBD
Original Start Date:
Original Duration:
Original Completion Date: June 30, 2011
330 Calendar Days
May 25, 2012
Time Extension Granted In Days: TBD
Actual Completion Date: TBD
Liquidated Damages: None
Recordable Accidents/ RAF: Zero / 0
Lost Time Accidents/ LAF: Zero / 0
OSHA Violations/ Fines: None
Project Name: Agua Fria, Toroges and Agua Caliente Creek Improvements
C115 (11029)
Location: Fremont, CA
Owner: Santa Clara Valley Transportation Authority – VTA
Prime Contractor: Con-Quest Contractors, Inc.
Prime Contractor Contact: Paul Loukianoff – 415-206-0524
Architect/Engineer: HNTB Corporation
Architect/Engineer Contact: N/A
Construction Manger Contact: N/A
Description Of Project Scope:
Work under this project consisted of installing a precast UPRR railroad bridge, over 3,200 CY of CIP concrete including 1,100 Liner Feet of retaining wall, 1,20 Lf of CIP box Culvert, 250 LF of precast concrete box culvers and new inlet structures for a new 78” RCP and existing 81” RCP. The new 78” RCP was installed by micro tunneling under active UPRR track which required soil monitoring. Launch and receiving pit were 22’ deep using beam and sheet piles. In addition C-QC installed 1,000 TF of UPRR track with 2 turnouts.
Original Bid Amount: $7,673,890.00
Change Orders: $1,351,341.20
Claims: $ ---0----
Final Contract Value: $8,912,611.65
Original Start Date: June 2011
Original Duration: 471 – Calendar Days
Original Completion Date: September 2012
Time Extension Granted In Days: 304 – Calendar Days
Actual Completion Date: September 2013
Liquidated Damages :None
Recordable Accidents/ RAF: Zero / 0
Lost Time Accidents/ LAF: Zero / 0
OSHA Violations/ Fines: None