2. Construction Collections

Construction Hazard Slides: ladder, fall, trench, scaffold, collapse, trash, roof , electrical, traffic

Unsafe construction: Hazards from trench, wall, scaffold, ladder collapse; falls from scaffold, ladder, roof, crane ball; exposure to debris, concrete chips, traffic.
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Construction safety: Stepladder is misused as straight ladder. Stepladder feet sit on roof that slopes away, without proper footing or cleating, and it can easily slip down roof when used, as here. Ladder to be mounted and dismounted from top, as shown here, should be tied off at top and extend at least 3 ft above dismount point. Massachusetts 2004.
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Construction safety: Stepladder is misused as straight ladder. Stepladder feet sit on roof that slopes away, without proper footing or cleating, and it can easily slip down roof when used, as here. Ladder to be mounted and dismounted from top, as shown here, should be tied off at top and extend at least 3 ft above dismount point. Massachusetts 2004.

  • Construction safety: Stepladder is misused as straight ladder. Stepladder feet sit on roof that slopes away, without proper footing or cleating, and it can easily slip down roof when used, as here. Ladder to be mounted and dismounted from top, as shown here, should be tied off at top and extend at least 3 ft above dismount point. Massachusetts 2004.
  • Construction Stepladder: Person working off stepladder. It is unsafe and illegal to stand on the top step (far side) of a stepladder or on the ladder's back bracing (near side). This worker is doing both. Ann Arbor, 2004.
  • Construction safety, building construction: Worker walks ridge line of roof on 2-story residential building, about 30 ft above ground, without any fall protection. He walks down ridge, then valley to right, then down to far right attic opening. One slip and he rolls down roof and falls ~20 ft off edge. Fort Myer Beach, Florida 2005
  • 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<br /> 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.
  • 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. General housekeeping is poor, which creates and increases hazards.<br /> <br /> 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.
  • Police cruiser/car: Ann Arbor Police SUV makes quick U-turn, over curb, to follow Ford car at left that was surely exceeding the construction work zone speed limit of 25 miles per hour. SUV was parked facing North on grass to left of this Southbound lane of the parkway. It put on its lights and made a fast U-turn, over curb down to pavement on its left, across 2 lanes, and up on curve and then back down to pavement. All in the time it took the vehicle ahead of it to move from crest of hill to present position. Obviously the police officer cut in front of tan van beyond it but only a car length away, creating a hazard for the van. The SUV follows and stops the car just past Geddes at ramp to Huron River Bridge. Huron Parkway North of Geddes, at Huron High School, Ann Arbor 2005.
  • Bridge construction, steel construction: Worker stands on cab of Terex crawler mounted cable rigged open web crane and pushes overhead wires up and away from crane cab and boom as crane crawls underneath overhead wires. Dixboro Bridge over Huron River, Ann Arbor, Michigan 2005.
  • Construction safety: Placing brick pavers as part of new brick pavement. Workers are kneeling on curb, gutter, and pavement of street carrying traffic, yet they have no traffic warning barriers or signs, no highly visible orange or striped clothing, and no traffic control to protect themselves from moving traffic. Ann Arbor, 2004.
  • Concrete construction safety: Bobcat 763 skid steer tractor with pavement breaker attachment. Note the cockpit safety approach to provide equipment operator with roll-over protection and protection from side or rear impact with hostile construction environment. The operator is provided excellent visibility, in place of barrier type protection to his front, to deliver quality with productivity and safety. The operator is exposed to an extreme eye safety hazard by his failure to wear eye protection against chipped concrete. Massachusetts, 2002.
  • Worker carries dimension lumber on shoulder to provide support for cast in place concrete forms and/or fall protection, as we see around him. Worker in rear is performing rough carpentry on such lumber. Mosher Jordan Renovation and New Dining Center, University of Michigan, Ann Arbor, March 2007.
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