My Construction Photos > Marine and communications construction: Deep ocean cable laying ship Global Sentinel layed the first fiber optic cable between the USA and Japan for AT&T. It is 475 ft (145 m), electrically driven from 2100 power generated by its three 12-cylinder diesel engines. Astoria, Oregon 2005.
My Construction Photos > Construction maintenance: Three wheel Elgin Pelican Series P mechanical street debris broom sweeper. Street debris is swept onto a conveyor that transports it to a debris hopper. Ann Arbor, 2003.
My Construction Photos > Earthmoving construction: Mack dump truck, pulling a low-boy equipment trailer. Pepperrel, Massachusetts, 2005.
My Construction Photos > Precast concrete construction, bridge constrruction: Kenworth truck tractor pulls a 120 ft long precast, pretensioned prestressed bridge girder from Grand Rapids, MI, to the Dixboro Bridge site. The red trailer with 3 axles supporting the far end of the girder is an Elk River Hydras Steer trailer attached to the end of the bridge girder. It includes steering, as demonstrated by its alignment to the left in photo, as well as brakes, all controlled by the truck driver in the pulling tractor, using control cables running on top of the girder from tractor to trailer. Dixboro Bridge over Huron River, Ann Arbor, MI, 2005.
My Construction Photos > Earth moving construction: Caterpillar D4C track mounted tractor bull dozer excavates earth for underground construction alongside parkway. Earth is dozed to this end of trench, where a backhoe loads it into dump trucks to haul away. Huron Parkway at Huron High School, Ann Arbor, Michigan August 2005
My Construction Photos > Structural steel construction: Tower crane safely moves 2 structural ironworkers in personnel basket from top of structural steel frame to ground during steel erection. Cardiovascular Center, University of Michigan Hospital, Ann Arbor, 2004.
My Construction Photos > Piping construction: Caterpillar D5C XL crawler tractor with side mounted pipe layer boom and Deere 200C crawler mounted hydraulic backhoe support large bore steel underground steel pipe in trench with pipe slings. Workers are happy to help hold pipe in position. Dixboro Bridge, Ann Arbor, 2004
My Construction Photos > Steel construction: Three man structural ironworker crew unhooks large, high steel truss from crane. All are wearing fall protection: body harness with safety lanyard attached by sliding clip to top flange of truss.  UCLA, Los Angeles, CA, 2004.
My Construction Photos > Masonry construction, construction safety: Manufactured tubular scaffold posts supported at base by unstable brick cribbing. Preferred methods would include screw-jacks at scaffold bases extended to stable mud sill or other stable footing. 2" x 10" wood planks form working platform for masons to stand on and a higher material platform on which masonry units (brick here) and mortar are placed. The outside of the material level should have guardrails to protect laborers placing and stacking brick and working with mortar. The ramp between the side and front sections of scaffold should also have guardrails and also cleats for good footing, especially in the wet weather in which masons are working. Ann Arbor, Michigan, 2004
    OSHA 1926-L requires: Supported scaffold poles, legs, posts, frames, and uprights shall bear on base plates and mud sills or other adequate firm foundation. Footings shall be level, sound, rigid, and capable of supporting the loaded scaffold without settling or displacement. Unstable objects shall not be used to support scaffolds or platform units.
Marine and communications construction: Deep ocean cable laying ship Global Sentinel layed the first fiber optic cable between the USA and Japan for AT&T. It is 475 ft (145 m), electrically driven from 2100 power generated by its three 12-cylinder diesel engines. Astoria, Oregon 2005.
My Construction Photos > Marine and communications construction: Deep ocean cable laying ship Global Sentinel layed the first fiber optic cable between the USA and Japan for AT&T. It is 475 ft (145 m), electrically driven from 2100 power generated by its three 12-cylinder diesel engines. Astoria, Oregon 2005.
Marine and communications construction: Deep ocean cable laying ship Global Sentinel layed the first fiber optic cable between the USA and Japan for AT&T. It is 475 ft (145 m), electrically driven from 2100 power generated by its three 12-cylinder diesel engines. Astoria, Oregon 2005.
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