Past Projects

East Hillsdale Bridge Seismic Retrofit
City of San Mateo
$4.2 Million

Seismically retrofit a 600-foot long bridge over the lagoon using additional piles at piers, and reinforce the bent cap for unilateral movement of columns. Work is being done adjacent to traffic and involves the coordination of two cities, one on each side of the bridge.

Services: Resident Engineering, Construction Inspector, and Contract Administration

 

Guadalupe River 3A Phase I
Army Corp of Engineers
$32.7 Million

Construction of a double 25’ x 20’ box culvert and overflow channel. Inspection duties included field inspection of sheet pile walls, construction of cutoff walls, concrete and rebar placement, documenting construction on the as-built drawings, excavation, safety inspection, submittal of RFI’s & materials submittals and contract compliance per the standards of the Army Corps of Engineers.

Services: Construction Inspection and Permit Oversight


I-680 Sound Wall
Alameda County Congestion Management Agency, ACCMA
$10 Million

New Construction of soundwalls along I-680, Sunol Grade Corridor. The project includes the construction of 8 masonry block soundwalls, partial widening of freeway, and new drainage system.

Services: Constructibility Review, Resident Engineering, and Construction Inspection

 

San Francisco Municipal Railway Third Street Light Rail Extension Project
City of San Francisco
$500 Million total, $60 Million Ghirardelli

Expansion of San Francisco Light Rail Transit system with 8 new stations. Phase I of the Third Street Light Rail Project consists of a 5.4 mile extension of the MUNI Metro light rail system, beginning near the Caltrain station at 4th and King streets to an intermodal terminal adjacent to the Caltrain Bayshore Station. Phase I of the Project also includes a new light rail maintenance, operations, and storage facility called Muni Metro East Facility (MME).

Services: Contract Administration and Construction Inspection

Fairfield/Napa project offices, I-780 Night paving project, CA37 improvements, I-80 Barriers, Trancas/CA29 Interchange
Caltrans District 4 Staff Augmentation
$30 Million/$40 Million/Various

Near the Wine Train crossing and the multimillion dollar widening of I-80 near the Carquinez bridge in Vallejo, project included work with PG&E for utility relocation and performing field work for traffic signal and highway lighting construction items. Overlay I-780 with Rubberized AC and placing shoulder backing, widen existing ramps and restripe freeway. Widen SR 37 from two lanes to four lanes, install a concrete median barrier, drainage wicks and relocate (microtunnel) an existing sewer system. Constructed a new overcrossing and modified existing signalized intersections.


John Daly Boulevard Interchange remodel and Bridge Widening Project
City of Daly City
$4 Million

Widening of John Daly Blvd. overcrossing I-280 and Hwy 1 in Daly City. The project involved adding an additional lane of traffic on the bridge, realigning the southbound off-ramp, new signals and underground utilities, and beautification with architectural lighting and new landscaping.


San Francisco Municipal Airport Expansion project, claims consultation and contract closeout services
City of San Francisco
$2 Billion/$100 Million

Projects consisted of construction of 2.5 miles of new bridge structures on airport right-of-way as well as adjacent to and over Highway 101. In addition, the project included the construction of new drainage, electrical, landscaping, overhead sign erection, paving, grading, utility relocation, and miscellaneous items. Ghirardelli Associates provided Resident engineering, inspection, office engineering services for the elevated roadways contract and inbound/outbound ramps contract.


Benicia - Martinez Bridge Seismic Retrofit
Caltrans
$ 100 Million+

This seismic retrofit project included replacing the existing steel bearings with isolation bearings, adding a new tapered exterior concrete jacket to most of the piers and adding additional caissons with tie down anchors. Ghirardelli Associates provided Office Engineering and Support Inspection to Benicia Toll Bridge Project.


Pier 43 Arch Restoration Project
Port of San Francisco
$1 Million

Restoration of this historical building after fire had damaged the structure. The work consisted of placing a new roof, electrical system, exterior wall construction and architectural remediation.