Concrete wet finishing the main slab for a new printing plant in Fremont, California

Cal Trans tugboat seaman working ropes for the seismic retrofit of the Benicia-Martinez bridge over the Sacramento River for The American Society of Civil Engineers magazine

Concrete pump and crane working on the Benicia-Martinez bridge over the Sacramento River for The American Society of Civil Engineers magazine

Workers preparing concrete buckets for hoisting.

Formwork for seismic concrete reinforcement for the Benicia-Martinez bridge over the Sacramento River for The American Society of Civil Engineers magazine

Steel stair being lifted through 6th floor window in Downtown San Jose, California.

Preparations for hoisting steel stair through 6th floor window in Downtown San Jose, California. For D. Kelly Construction.

Welder working on Structural Steel Column and worker working on Metal Decking for Silicon Valley business park.

Steel truss joists going into place 5 stories up at Fremont building site.

Bracing steel truss joists and beams.

Crew pouring and finishing concrete floor for 6th floor of San Francisco historic Stecher-Tron addition.

Another concrete pour over metal decking way up in the air.

The graphic beauty of structural steel at Fremont Printing Plant site.

Seismic work on the Golden Gate Bridge for the American Society of Civil Engineers.

Preparing old concrete columns for seismic reinforcement.

Fireproof steel structure of San Francisco high rise.

Removing  old fire escape  on Brannon St., San Francisco, California.

Restoring the crumbling brick facade for seismic retrofit at 300 Brannon St. San Francisco.

Industrial Electrical work at pharmaceutical company manufacturing facility.

Planning for new Silicon Valley construction site for DPR Construction.

Locating the right conduit in new business park construction slab access panel.

Metal siding installation workers on scaffold at Minetta San Jose International Airport.

Hand work assist at excavation for footings for Silicon Valley construction site.

Business park construction site HVAC work in Novato, California.

Tilt up, precast  concrete wall panel being put into place for Central Valley California warehouse building.

Post Loma Prieta earthquake demolition of 5th St. San Francisco hotel for Architectural Record.

Aftermath of the California St. tower crane collapse for Engineering News Record.

Aftermath of the California St. tower crane collapse for Engineering News Record.

Window wall installer on swing stage on downtown high rise.

Top view of remodel and seismic upgrade of 400 post street, San Francisco, California. For Plant Construction.

Centria insulated sub panels on Turk Street, downtown, San Francisco.

Welding high steel for Moscone Center, San Francisco.

Operating engineer breaking up old wood frame building with back hoe

Remote operated hoe ram demolition of old concrete water tower with scaffolding.

Remote operated hoe ram demolition with sparks from cutting torch. Stomper Demolition Company.

Set up of scaffolding for hazardous waste removal and restoration of the Temple Emanu-el with stained glass windows.

Carpenters re-framing  for the restoration of the St. Francis Yacht Club, San Francisco after the 1989 earthquake.

High steel welder in silicon valley business park on small ledge with safety gear.

Welding over silicon valley business park job site.

Catwalk below the Benicia bridge (highway 680) for the seismic retrofit. For The American Society of Civil Engineers.

Operating engineer setting up leveling jacks for crane for hoisting.

Removing a 6th floor fixed window for bringing 2 ton steel stair through the opening.

welding outriggers for placing a steel staircase for D. Kelly Construction and Rimmerman.

Preparing the opening as welder puts the last pieces on steel stair.

Removing an outdated microwave relay tower from 1 Market Plaza.

Demolition of outdated microwave relay antenna for D. Kelly Construction.

Pipe fitter making adjustments to mechanical system for Marin County office construction project. For CIC Construction.

Readying the bases for structural steel supports for the new 4 story addition by the San Francisco Oakland Bay Bridge.

Spot welding studs for reinforcing mesh on new metal decking at high tech complex construction site.

Steel stud installation on metal decking.

Concrete Finishers working on exterior structural slab on 3rd St., San Francisco.

Installing window wall at the roof parapet.