Stafford Lake reservoir serves as the water supply for North Marin water District serving Novato, CA. This phase of the contract involved setting barges at low lake elevation and building a scaffold for access to demo the old intake shaft.
Working in a confined space shaft 50 ft below the water level requires planning. A worker on a bosons chair prepares to install seismic reinforcement anchors to the base of the North Marin Water plant intake structure.
Diver prepares to survey pier piles to be fitted with wave supression log stopping at Yerba Buen Island. The logs stop material was a composite recycled LDPE material formed into dimensional lumber shapes.
This contrcat was to install braces to the concrete pier piles below the water line. divers surveyed the piles, the braces were fabricated and then a storm hit the bay area and wiped out the finger pier and the converted to demolition and removals for the new pier.
Howe Ave Bridge pipe supports for the City of Sacramento consisted of night scheduled shift hour to access the 24″ water distribution main and lane clodure of Howe Ave Bridge Southbound lane to facilitate the confinced space entry operatioon. The work included asbestos removals, nspection, repair and replacement of pipe supports and specialized Stainless pipe repair clamps.
Tabk Farm B Tank 501 interior following restoration of metal surfaces and API 650 upfrades. Department of navy utilized a 4 part Polyurethane coating system. Tank for B work included pumps, MCC, piping, metering. apron wide body hydrants and pantographs, instrumentationa nd controls along with Fuel Barge dock equipmenta and repairs.
The US Boarder Patrol operates a training ffacility at the previous Charleston Naval base and constructed an olympic sixe training pool witha hurricate rated, tensioned fabric structure, fully air conditioned and heated.
Estimated and developed the Quality Control plan for the installation of 168″ valve to the Colgate Penstock. The valve had been procured and delivered under separate contrcat and Syblon Reid competed for the installation. The huge valve is a safety devise upstream of the generator turbine house and was tested (slammed shut) just one time due to the massive forces involved.
Harbor UCLA Medical Wing Expansion and ER upgrad. This $26M addition to an operational public Hospital for the county of Los Angeles, CA, presented numerous coordination challenges. The ER upgrades were completed without impact to the ER operations and remained in service throughout the entire project.
Department of Water resources south bay Aquaduct project consisted of 8 check structures, road crossing siphons, automated screen and stops, canale replacement and repair, controlsand instrumetatiom and canal appurtances.
The driver looks on with disbelief – this is one phone call I’m glad i didn’t have to make. This is what can happen on a busy site, where the need for proper safety zones and comtrol is essential. Two workers were in the trench directly under where the truck impacted just 5 minutes prior to this accident.
The CalPERs Expansion Headquarters project, consisting two structures on two consolidated blocks, began with bid Package 5 to construct the foundation and parking structure. Cole, Yee, Shubert provided the Structural Engineering. \