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Construction > My Construction Photos  > Construction Collections > Some Construction Favorites
excavator, dozer, backhoe, scraper, grader, shovel, loader, hauler, crane, trencher, brick, concrete, dragline, clamshell, borer, drill, hopper, conveyor, truck, construction. earth moving equipment: Caterpillar bulldozer, Caterpillar loader, Case, John Deere, Bobcat, Volvo, Dynapac, Kobelco, Dresser, Samsung, Link Belt, Komatsu, Hyundai, Ingersoll Rand, Peterbilt, JCB, Liebherr, Esco, Hitachi, Mack, Terex
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My Construction Photos > Earth Construction: Caterpillar D8R (front) and D4C bulldozers move soil together. North Campus construction, University of Michigan, Ann Arbor, 2004.
My Construction Photos > Structural steel construction/erection: Welded structural steel frame, showing raw, unpainted steel with fabrication/erection markings marked in white. YMCA, Ann Arbor, Michigan 2004. myconstructionphotos.smugmug.com
My Construction Photos > Building construction demolition. Samsung backhoe grapple bites a chunk out of building being demolished. Water sprayed from hose from right decreases dust and other air contamination from demolition. YMCA, Ann Arbor, 2003
My Construction Photos > Riding the headache ball. YMCA, Ann Arbor, 2004. myconstructionphotos.smugmug.com
My Construction Photos > Painting construction: Painters paint trim on outside of Sweetwaters cafe. Washington at Ashley, Ann Arbor, Michigan, April 2005.
My Construction Photos > Construction crane: Driving Potain compact self-erecting tower crane on Cathedral de la Major in Marseilles, France. Second section of boom is folded back.
My Construction Photos > Construction crane: Manitowoc 555 cable-rigged crawler-mounted open-lattice boom crane with jib supports construction of concrete retaining wall,supported by tie-backs, for deep excavation. Cardiovascular Center, University of Michigan, Ann Arbor, MI, 2004.
My Construction Photos > Building Construction: Two large segments of a large building site: Retaining wall and foundation construction to left and structural steel construction to right. Mobile crawler crane serves the left, and tower crane serves the right. Mobile hydraulic crane serves center foundation area. A second hydraulic crane behind building to far right cannot be seen here. Cardiovascular Center, University of Michigan Hospital, Ann Arbor, 2004.
My Construction Photos > Elevated and vertical construction: Gold Lot exhibits of hydraulic cranes, cable cranes, tower cranes, and personnel lift. Photo by Scott Carr. CONEXPO, Las Vegas, Nevada, March 15-19 , 2005.
My Construction Photos > Caterpillar D6M 140 horsepower, 15.5 ton crawler tractor construction bulldozer. Broadway Bridge construction, Ann Arbor, 2003.
My Construction Photos > Soil, earth construction: Caterpillar D4G LP dozer spreads soil in bottom of excavation. Caterpillar 345BL hydraulic excavator excavates soil from same excavation. Apparently, the bucket of the excavator has been lowered to rooof of dozer, to consternation of dozer operator. East Ann Arbor Clinic, University of Michigan Health System, Ann Arbor, Michigan 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 > General, masonry, earth construction: Busy crews fill alley with construction activity. Two workers in ight foreground are stretching string for place masonry around manhole. Worker in left foreground is sawing material, probably for formwork, for concrete/ masonry using portable diamond blade rotary saw. Crew in background with Caterpillar backhoe is coarse grading the gravel base for paving. Beyond backhoe is Caterpillar backhoe/loader parked across alley entrance from Liberty Street. Alley between Washington and Liberty, 1/2 block West of Main, Ann Arbor, Michigan, 2005.
My Construction Photos > Caterpillar 2447 motor grader grading gravel for pavement base construction. Depot Street, Ann Arbor, 2004.
My Construction Photos > Caterpillar 2447 motor grader blade, with front scarifier. Depot Street construction, Ann Arbor, 2004.
My Construction Photos > Earthmoving, aggregate construction: Large 5+ CY/CM Hendrix draining dragline bucket is operated by Liebherr HS 895 HD Litronic hydraulic open lattice boom 91,000 kg / 400,000 lb capacity crawler crane. A dragline bucket is controlled by three elements: The vertical wire rope above the bucket raises and lowers the bucket either with or independent of the boom raising/lowering. The chain from front of bucket is pulled in and let out by the wire rope operated by a front spindle. The short wire rope attached to the top-front of bucket allows the bucket to pitch front first into the excavation pit, then be pulled upward at end of loading to capture the load. The basic operation is to pull in a load, then release the bucket to swing forward and be lowered to capture the next load. CONEXPO, Las Vegas, Nevada, March 15-19, 2005.
My Construction Photos > Soil moving, road construction: Worker pushes a gasoline driven vibratory soil compactor on a crushed gravel layer to provide base for street curb and sidewalk. Additional crushed gravel is in shovel of Caterpillar skeed steer loader on right. In foreground is excavation in which another worker is building a drain basin with concrete block and mortar. Huron Parkway, Ann Arbor, Michigan, 2005. builds drain basin for storm sewer using portland cement mortar and curved concrete blocks. Mortar is mixed in mixer and transported in white plastic bucket (lower left). Worker first uses his hands to take mortar from bucket and place it on concrete block. He then places concrete blocks in mortar. Lastly, he spreads mortar over the inside surface of the drainage basin. A drain basin is where storm water draining from stree (such as through corrugated black plastic flexible tubing) flows into the main storm sewer. Huron Parkway, Ann Arbor, Michigan, 2005.
My Construction Photos > Bridge construction: Caterpillar CP563C single drum vibratory padfoot soil compactor. Broadway Bridge, Ann Arbor, 2003.
My Construction Photos > Underground construction: Hyundai R55 crawler mounted hydraulic backhoe/excavator digs street drainage/ storm sewer trench. Flexible corrugated sewer/ drainage tubing is coiled in trench. Sewer manhole structure is in foreground. Depot Street, Ann Arbor, 2004.
My Construction Photos > Ford 655C wheel mounted hydraulic backhoe/loader uses backhoe bucket to push trench overburden away from from the trench it just completed digging. Broadway Bridge approaches, Ann Arbor, 2003.
My Construction Photos > Caterpillar 350 crawler mounted hydraulic backhoe bucket full of soil and then dumping its load. Dixboro Bridge, Ann Arbor, 2004.
My Construction Photos > Earthmoving construction: Komatsu D61PX crawler tractor bull dozer moves granular soil out of collected water. Dixboro Bridge, Ann Arbor, 2004.
My Construction Photos > Earth construction: Peterbilt diesel tractor pulls tandem rear dump trailers on graded site. Hyndai Automotive Tech Center, Geddes & Leforge roads, just east of Ann Arbor, 2004.
My Construction Photos > Bridge construction site: Lower half of photo is south ramp of Dixboro Bridge to cross the Huron River. Upper half is the North approach, and in the distance is the intersection of Dixboro Rd with Geddes Rd. In mid-photo are tops of concrete bridge piers with foundations in the river bottom. Dump trucks are bringing fill soil from which ramp is being built. We can see the raised truck bed of one dump truck in right center of photo. In order to dump soil, it decoupled from its tandem trailer, which waits at far right center. Ann Arbor, MI, 2002.
My Construction Photos > Earth moving construction: Bobcat 863 skid-steer tractor with stone separating blade/bucket lifts and sifts soil to extract and separate stones. Operator is picking out and tossing away soil clumps that sifted out with stones. Dixboro Bridge, Ann Arbor, MI, 2004.
My Construction Photos > Construction pile driving: ICE 812 Vibro-Hammer vibratory pile driver/extractor drives sheet piles to form cofferdam at Huron River. Sheet pile sections are connected by interlocking edges, which allow vertical slippage during sheet pile driving. (See inset detail of circled connection in photo.) Pile driver is supported by crawler mounted cable driven open web boom crane. Worker inside cofferdam is cutting off the top of the sheet pile to the right with an acetylene torch. Broadway Bridge, Ann Arbor, 2003.
My Construction Photos > Earthmoving construction: Crawler mounted hydraulic backhoe reaches to excavate earth for basement. Laborer operates vibratory soil compaction machine in area recently excavated, beyond backhoe. In right background, soil is supported by timber breastboards. Breastboards are supported by structural steel H shape soldier beams, which were themselves driven as piles deeply into the soil, below bottom of basement. Cardiovascular Center, University of Michigan Hospital, Ann Arbor, 2004.
My Construction Photos > Earthwork, steel, concrete construction: Basement area has WF steel soldier beam, timber breastboard, tie back temporary retaining wall in left center. Bundles of resteel sit at grade level behind retaining wall, and two horizontal cables provide excavation edge fall protection. Right center bottom to top cast-in-place (CIP) reinforced concrete foundation piers sitting on CIP spread footings below and support base plates for H-section columns for superstructure. Protruding from piers are rebars, in circular pattern in piers, and 4 anchor bolts for column base plates. The rebars will be cut off before base plates and columns are set. heavy copper wire also protrudes from top of piers that is also attached to an electric ground plate in soil at bottom of footing. The cable will be attached/ spliced to metal above to provide an electic ground for building. Resteel extends above CIP foundation wall at bottom and upper right to provide reinforcing continuity at joint with future wall above and CIP slab to right. Backfill at bottom of excavation is sand, and additional granular material at top rear will later provide vertical support for CIP slab. Pink polystyrene sheets stacked in excavation will provide insulation when attached to exterior of foundation/ basement wall, as at mid-height far right. Cardiovascular Center, University of Michigan Hospital, Ann Arbor, 2004.
My Construction Photos > Earthmoving, aggregate construction: Liebherr 580 2 plus 2, 5 m3 bucket, wheeled front end loader and two dollies and a cycle in patriotic colors. CONEXPO, Las Vegas, Nevada, March 15-19, 2005.
My Construction Photos > Bridge construction: Caterpillar D6M 140 horsepower, 15.5 ton crawler tractor bulldozer. In background is Caterpillar CP-563C single drum padfoot vibratory soil compactor. Broadway Bridge, Ann Arbor, 2003.
My Construction Photos > Earthmoving construction: Mack dump truck, pulling a low-boy equipment trailer. Pepperrel, Massachusetts, 2005.
My Construction Photos > Earthmoving construction: Solideal rubber tracks fit on John Deere and JCB wheeled skid steer loaders. CONEXPO, Las Vegas, Nevada, March 15-19, 2005.
My Construction Photos > Soil construction, earth moving: Caterpillar D5M 110 hp track mounted bull dozer backs up using backside of dozer blade to rough grade the future roadbed. Huron Parkway, Ann Arbor, Michigan 2005.
My Construction Photos > Earthmoving construction, rough grading:Link-Belt LS-2650 crawler mounted, hydraulic backhoe excavator sits on soil pile it created, looking down on its excavated driveway and garage foundation. Residence in background is receiving exterior repairs. Note the geotextile mud dams at lower left that limit runoff from site to adjacent property. Ann Arbor, Michigan October 2005.
My Construction Photos > Construction backhoes, hydraulic crane, front end loader in tight work area perform earth moving and concrete foundation construction. Broadway Bridge, Ann Arbor, 2003.
My Construction Photos > Earthmoving construction equipment: Second day of CONEXPO 2005. The John Deere 1050C dozer with ripping teeth on back. Las Vegas, Nevada, March 16, 2005.
My Construction Photos > Asphalt paving construction, truck: Peterbilt truck tractor pulling Flow Boy CB-4000 insulated semi-trailer conveyor delivery hot-mix asphalt truck is hooked to Caterpillar AP-1050B hot mix asphalt paving machine at its rear to pave street. Eisenhower Parkway, Ann Arbor, Michigan 2005.
My Construction Photos > Asphalt paving construction: Caterpillar AP-1050B hot mix asphalt paving machine places asphalt pavement. The AP-1050B has 10 ft basic screed, will pave a maximum width = 30 ft, has 15 ton hopper, and weighs 42,500 lb. It is receiving the hot mix asphalt concrete from a rear-conveyor hot asphalt delivery trailer. Eisenhower Parkway, Ann Arbor, Michigan 2005.
My Construction Photos > Asphalt paving construction: Caterpillar AP-1050B hot mix asphalt paving machine places asphalt pavement. The AP-1050B has 10 ft basic screed, will pave a maximum width = 30 ft, has 15 ton hopper, and weighs 42,500 lb. It is receiving the hot mix asphalt concrete from a rear-conveyor hot asphalt delivery trailer. Eisenhower Parkway, Ann Arbor, Michigan 2005.
My Construction Photos > Asphalt paving construction: Front-side view of screed of Caterpillar AP-1050B hot mix asphalt paving machine placing asphalt pavement, showing the horizontal screw that distributes the asphalt and the thickness/height control mechanisms. The AP-1050B has 10 ft basic screed, will pave a maximum width = 30 ft, has 15 ton hopper, and weighs 42,500 lb. It is receiving the hot mix asphalt concrete from a rear-conveyor hot asphalt delivery trailer. Eisenhower Parkway, Ann Arbor, Michigan 2005.
My Construction Photos > Concrete construction: Placing concrete footing at grade from ready-mix truck chute. Huron Village Shopping Center, Ann Arbor, 2002.
My Construction Photos > Masonry construction: Terex SS-842 rough terrain hydraulic telescopic boom forklift picks up banded batch of 8"x8"x16" concrete blocks, using the left two tines of its fork. Forklift has 8,000 lb capacity and can reach 25' and lift 42' high. Huron Village Shopping Center, Ann Arbor, 2004.
My Construction Photos > Bridge construction: Concrete formwork for bridge pier. Epoxy coated reinforcing steel for pier buttresses is not yet enclosed in formwork. Broadway Bridge, Ann Arbor, 2003.
My Construction Photos > Bridge concrete construction: Readymix truck's rotating drum dumps freshly mixed concrete into the truck's chute. Concrete flows into the layed down concrete bucket. Broadway Bridge, Ann Arbor, 2003.
My Construction Photos > Bridge concrete construction: Terex American HC110 hydraulic lattice boom crawler crane lifts full concrete bucket (laydown bucket) to place concrete in bridge pier. Broadway Bridge, Ann Arbor, 2003.
My Construction Photos > Concrete construction: Laborers align crane supported laydown type concrete bucket. They will open its bottom gate to place concrete in bridge pier. Orange hopper funnels concrete into pier. Broadway Bridge, Ann Arbor, 2003.
My Construction Photos > Earthmoving construction: First day of CONEXPO 2005. JCB Dancers form arch with JCB backhoe-loader excavators. Las Vegas, Nevada, March 15, 2005.
My Construction Photos > Concrete construction: Entire concrete placement: Readymix truck to pump to elephant trunk to foundation. Biomedical Science Research Building, University of Michigan, Ann Arbor, 2003.
My Construction Photos > Bobcat 763 skid steer tractor uses pavement breaker attachment to break up concrete sidewalk.
My Construction Photos > Reconstruction of spectator seating. Upper portion is new seating. Left middle is demolished old concrete, waiting for removal. Workers at mid-right are hand grading soil base for new concrete seating base. Formwork for new concrete base is being erected in lower section of seating area. The Big House, Michigan Stadium, University of Michigan, Ann Arbor, 2004.
My Construction Photos > Earthmoving construction: Caterpillar 627G 330 hp / 246 KW 22 yd3 / 17m3 (heaped), 15.7 yd3 / 12 m3 (struck), 84,000 lb / 38,000 kg, 42 ft / 13 m length self-loading scraper. CONEXPO, Las Vegas, Nevada, March 15-19, 2005.
My Construction Photos > Asphalt construction, road construction: Ingersoll-Rand DD-90 vibratory asphalt compactor rolls fresh asphalt concrete placed by asphalt paving machine to its right using hot mix asphalt delivered by rear conveyor dump truck to the far right. Eisenhower Parkway bridge over South Industrial Street, Ann Arbor, Michigan, 2005.
My Construction Photos > Asphalt construction: Roadtec RX900 asphalt cold milling machine strips old asphalt from Northbound lane and dumps into dump trucks, here a Kenworth with a Hardbox rear dump trailer, with its front end conveyor. Huron Parkway, Ann Arbor 2005.
My Construction Photos > Bridge construction: Laydown area for construction of bridge across railroad tracks and Huron River. Primary material stored is lumber and form panels and components for construction of this concrete bridge. Mobile hydraulic crane and truck mounted light hydraulic crane help lift material. Also in photo are flatbed truck, backhoe, water truck, and scissor lift.Broadway Bridge, Ann Arbor, 2003.
My Construction Photos > Concrete construction: Simpson concrete formwork system wall panels in place for cast-in-place basement/ foundation walls. Panels consist of coated plyform on steel frames, connected by pin system, supported by Simpson brace hardware mounted pm 2 inch dimension lumber. YMCA, Ann Arbor, 2003.
My Construction Photos > Construction people: Workers take mid-morning coffee break, with snacks, on the site. Workers are sitting on one of three stacks of galvanized sheet metal studs, of which some are already in place behind the workers. Sprayed on fire proofing covers structural steel H-column on left side of photo. Health Sciences-Research Building 2, UCLA, Los Angeles, CA, 2004.
My Construction Photos > Concrete construction: Carpenter, supported by Genie telescoping personnel lift, pulls fits pieces of cut lumber for bulkhead in formwork for concrete placement for retaining wall. Bulkhead forms a short term construction joint in the concrete, until the next section of concrete is placed to the left. Cardiovascular Center, University of Michigan Hospital, Ann Arbor, 2004.
My Construction Photos > Concrete construction: Formwork and other temporary support for cast in place (CIP) reinforced concrete structure for multi-story multi-unit residential building in Los Angeles, a quite active seismic zone. The formwork is for the 7th floor flat plate slab and the 8th floor columns. Column forms are the vertical wood rectangular forms, with steel outside horizontal, spaced support brackets. These forms surround the column steel reinforcing, erected as steel cages. The slab formwork is plyform sheathing to support the concrete, metal horizontal joists to support the sheathing, galvanized steel shoring trusses, with screw jacks at base, spaced to support joists. The concrete slabs and columns for the floors below the 7th floor were formed in the same way. Reinforcing steel was placed after the forms are in place, followed by concrete placement. After concrete hardened perhaps a week, the forms are removed to be used for the floor above. Thus, this is about the 7th time these slab forms have been used on this building. The vertical shores under floors 4, 5, and 6 are reshores to distribute the 7th floor concrete construction loads to floors 3, 4, and 5. Thus the shores under the 7th floor transfer the weight of 7th floor concrete and workers to the 6th floor still young concrete slab and and the reshoring distributes most of that load down further to the 5th, 4th, and 3rd floor slabs and columns. Therefore, as slab forms are dismantled, vertical shores are placed to help support the coming floors above. The deep yellow trussed tower on right side is the tower for the tower crane that serves the entire site, with ladders/stairs for the crane operator to ascend and descend to the cockpit cab above. Wilshire Blvd, Westwood, Los Angeles, CA, 2004.
My Construction Photos > Concrete construction: Mack Granite chassis readymix concrete truck. CONEXPO, Las Vegas, Nevada, March 15-19, 2005.
My Construction Photos > 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.
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 > Precast concrete construction, bridge constrruction: Two Terex crawler mounted open web truss boom cable operated cranes lift 120 ft long precast, pretensioned prestressed bridge girder into place as bridge stringer. The red equipment in lower right-center is Elk River Hydras Steer trailer attached to right, rear end of bridge girder. Dixboro Bridge over Huron River, Ann Arbor, MI, 2005.
My Construction Photos > Concrete construction, road/street construction: Worker uses grooving tool to cut control joint into fresh concrete. The control joint introduces a plane of weakness through the curb, so that if the curb concrete should crack, the crack will form at the control joint, rather than at random. The worker will next use his trowel to smooth out the rough line left by the outside edge of the tool. Notice other control joints already created. Huron Parkway at Huron High School, just North of Geddes, Ann Arbor, Michigan 2005.
My Construction Photos > Building construction demolition. Samsung SE 350 LC2 backhoe grapple tears window out of building wall. YMCA, Ann Arbor, 2003
My Construction Photos > Building construction demolition. Load demolition debris-3. YMCA, Ann Arbor, 2003
My Construction Photos > Asphalt construction equipment: Sakai SW800 dual drum asphalt vibratory roller/compactor compacts asphalt pavement for Geddes Road at Dixboro Road as part of Dixboro Bridge project, spanning the Huron River, Ann Arbor, MI, 2005.
My Construction Photos > Asphalt construction: Wirtgen asphalt cold milling machine strips old asphalt. Worker manually verifies depth of cut with carpenter's folding rule. Huron Parkway, Ann Arbor, 2003.
My Construction Photos > Asphalt construction: Caterpillar 330B crawler mounted hydraulic backhoe crowds and picks up broken asphalt pavement debris from Broadway and loads it into dump trucks. Broadway Bridge, Ann Arbor, 2003.
My Construction Photos > Asphalt construction: Caterpillar 330B crawler mounted hydraulic backhoe crowds and picks up broken asphalt pavement debris from Broadway and loads it into dump trucks. Broadway Bridge, Ann Arbor, 2003.
My Construction Photos > Caterpillar 330B crawler mounted hydraulic backhoe crowds and picks up broken asphalt pavement debris from Broadway and loads it into dump trucks. Broadway Bridge, Ann Arbor, 2003.
My Construction Photos > Caterpillar 330B crawler mounted hydraulic backhoe crowds and picks up broken asphalt pavement debris from Broadway and loads it into dump trucks. Broadway Bridge, Ann Arbor, 2003.
My Construction Photos > Construction demolition and recycling: Bobcat skid steer tractor with loader attachment dumps asphalt pavement debris into pile to be reclaimed. Sams Club, Ann Arbor, 2004
My Construction Photos > 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.
My Construction Photos > Bridge construction, highway construction, flag zone: Flag zone to maintain and control traffic during repair of pavement on one lane of two lane highway/bridge. Traffic in our direction has been stopped so oncoming traffic can use the oncoming lane. After traffic in oncoming direction has traversed traffic zone, additional traffic in that direction will be stopped, and traffic in our lane will traverse zone. This reversing cycle continues until repair is completed and two lane traffic can resume. Bridge on US 197 across Columbia River between Oregon and Washington at the Dalles, 2005.
My Construction Photos > 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.
My Construction Photos > 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.
My Construction Photos > Pavement construction: Case 95XT skid steer tractor with front end loader attachment moves forward, with front wheels off ground, and grades/levels pavement base soil while filling shovel with soil. Depot Street, Ann Arbor, 2004
My Construction Photos > Construction safety: Fall Hazard: Two workers at 20+ foot height and wearing body harnesses and lanyards work without tying off to safety line. Unsafe and against the law. Ann Arbor, 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.
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. General housekeeping is poor, which creates and increases hazards. 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.
My Construction Photos > Masonry construction safety, fall hazard: Laborer/ hod carrier stands on top of 6 ft high unstable stack of concrete block and 19 ft above ground, leaning out and stacking heavy blocks, with no fall protection from safety line or guardrail. Ann Arbor, 2004.
My Construction Photos > Masonry construction: Lull 8K-42 rough terrain forklift lifts and places mortar box on material platform of Hydro-Mobile self-lifting scaffold. Worker on scaffold holds left guardrail gate open after already having opened right guardrail gate. Bricklayers standing on the bricklayer level are laying brick. Lull 8K-42 has 4-wheel drive, 3-way steering, and 8,000 lb capacity, and its hydraulic telescoping boom has 42 ft reach. Biomedical Engineering, North Campus, University of Michigan, Ann Arbor, 2004.
My Construction Photos > Sewer construction, masonry construction: Worker builds drain basin for storm sewer using portland cement mortar and curved concrete blocks. Mortar is mixed in mixer and transported in white plastic bucket (lower left). Worker first uses his hands to take mortar from bucket and place it on concrete block. He then places concrete blocks in mortar. Lastly, he spreads mortar over the inside surface of the drainage basin. A drain basin is where storm water draining from stree (such as through corrugated black plastic flexible tubing) flows into the main storm sewer. Huron Parkway, Ann Arbor, Michigan, 2005.
My Construction Photos > Sewer construction, masonry construction: Worker builds drain basin for storm sewer using portland cement mortar and curved concrete blocks. Mortar is mixed in mixer and transported in white plastic bucket (lower left). Worker first uses his hands to take mortar from bucket and place it on concrete block. He then places concrete blocks in mortar. Lastly, he spreads mortar over the inside surface of the drainage basin. A drain basin is where storm water draining from stree (such as through corrugated black plastic flexible tubing) flows into the main storm sewer. Huron Parkway, Ann Arbor, Michigan, 2005.
My Construction Photos > Sewer construction, masonry construction: Worker builds drain basin for storm sewer using portland cement mortar and curved concrete blocks. Mortar is mixed in mixer and transported in white plastic bucket (lower left). Worker first uses his hands to take mortar from bucket and place it on concrete block. He then places concrete blocks in mortar. Lastly, he spreads mortar over the inside surface of the drainage basin. A drain basin is where storm water draining from stree (such as through corrugated black plastic flexible tubing) flows into the main storm sewer. Huron Parkway, Ann Arbor, Michigan, 2005.
My Construction Photos > Pile construction: Vibratory pile driver drives rolled steel interlocking sheet piles to support embankment during construction. Pile driver is cable supported by Terex American HC80 open web steel boom tracked crane. The telescoping boom personnel lift on this side of crane is a JLG Sky Power 600S lift, used by the crew to work at top of piles. Huron Parkway South of Huron River, Ann Arbor, MI.
My Construction Photos > Brick construction: Gradall 534D9-45 rear pivot steering telescoping boom rough terrain material handler fitted as forklift for delivery of masonry construction materials. YMCA, Ann Arbor, 2004.
My Construction Photos > Brick construction: Hydro-Mobile modular mast-climbing work platform for placing brick. YMCA, Ann Arbor, 2004.
My Construction Photos > Underground construction: Rohrscheib earth auger mounted on Caterpillar 330B crawler mounted hydraulic backhoe boom. In background is Komatsu PC300LC crawler mounted backhoe. Broadway Bridge, Ann Arbor, 2003.
My Construction Photos > Samsung SE 350 LC2 backhoe grapple shovel breaks up and pulls brick vineer off concrete block building wall. YMCA, Ann Arbor, 2003
My Construction Photos > Masonry construction: Welded tubular scaffold, stacked 3 high with cross-bracing, for erection of concrete block exterior wall, to be covered on outside with brick vineer. Left and right sections of scaffold have two open bays without cross-bracing at upper level, to provide access for forklift to place set mortar pan and concrete block material, to be distributed along wall for masons to erect the wall. Red racks at left and right provide easy transportation and storage for tubular scaffold sections on or off site. Huron Village Shopping Center, Ann Arbor, Michigan, 2004.
My Construction Photos > Masonry construction, safety: Bricklayer holding trowel and level erects end block on wall. The mason stands on 2-2"x10" wood planks supported by side brackets attached to vertical tubes of welded tubular steel walk-thru scaffold. Mason is unsafe, because he is exposed to 20' fall without fall protection. 5-2"x10" planks form material platforms below and above, just behind mason, on which mortar boxs, mortar boards, and stacks of concrete block are placed to provide masons the materials they need to erect wall. Extending out from the exterior side of concrete block wall are the corrugated steel wire eye segment of a 2-piece adjustable tie system into which the pentile segment embedded in the mortar of the brick veneer exterior wall surface to provide lateral support (support against wind) to the brick. Ann Arbor, 2004.
My Construction Photos > Earthmoving construction: First day of CONEXPO 2005. JCB Dancers finale, with JCB backhoe-loader excavators lighting up every hour. Las Vegas, Nevada, March 15, 2005.
My Construction Photos > Asphalt paving construction: Case 60XT skid steer tractor with front-end loader attachment transports asphalt concrete from small pile dumped earlier in the morning to the hopper of Blaw-Knox PF-400A asphalt paving machine. The paver is laying asphalt pavement on top of the gravel base to build the curved right-turn entrance to Huron High School for vehicles travelling South on Huron Parkway. Ann Arbor, Michigan 2005.
My Construction Photos > Construction hauling: Kenworth truck tractor with hood raised to exhibit engine and other components. CONEXPO 2005. Las Vegas, Nevada, March 15-18, 2005.
My Construction Photos > Construction material handling: Kalmar RT 24T 4-wheel drive diesel powered rough terrain container handler (RTCH), United States Marine Corps issue, weighs 54,000 kg / 59 tons, lifts 32 ft / 10 m, and can stack containers 3 high. Level ground max speed is 23 mph / 37 km/h empty, 15 / 24 loaded. CONEXPO, Las Vegas, Nevada, March 15-19, 2005.
My Construction Photos > Reinforced concrete building construction: Construction of reinforced concrete structural frame for high rise residential building. 7th floor oncrete slab formwork is in place, supported by trusses resting on 6th floor. The weight of the 7th floor formwork and the fresh concrete to be placed is shared among the 6th, 5th,, 4th, and 3rd floors, through the vertical shores beneath the 6th, 5th, 4th, and 3rd floors. These floor slabs are said to be "reshored", because as their forms were removed, the shores shown here were set in place to continue to provide support to the slab as it cured and increased in strength. This view from below shows the 4'x8' plywood of the 7th floor slab form and the pattern it left on the underside of the floors below. Wilshire Blvd., Los Angeles, California 2004.
My Construction Photos > Site development/remediation/landscape construction: Lang Tool Co. (LTC) 37 ton tracked excavator based "tool carrier" for rotating stump grinder, mower, in-situ blender, and rock grinder heds. CONEXPO, Las Vegas, Nevada, March 15-19, 2005.
My Construction Photos > Concrete, aggregate construction: Putzmeister Telebelt TB 130 130 ft horizontal reach 360 CY/hr concrete telescoping boom conveyor. Material feeder conveyor feeds (in this instance) from the other side. CONEXPO, Las Vegas, Nevada, March 15-19, 2005.
My Construction Photos > rCONEXPO 2005, concrete, asphalt construction: Silver Lot at Las Vegas Convention Center. Concrete, asphalt, and aggregate construction. CONEXPO, Las Vegas, Nevada, March 15-19, 2005.
My Construction Photos > Earthmoving construction: Solideal rubber tracks on John Deere 8310T tractor. CONEXPO, Las Vegas, Nevada, March 15-19, 2005.
My Construction Photos > Construction support, construction safety: Snorkel articulating boom and telescoping boom personnel lifts for elevated construction. CONEXPO, Las Vegas, Nevada, March 15-19, 2005.
My Construction Photos > Building construction, construction crane. Installation of facade/ curtain wall/ cladding. Grove wheel-based rough-terrain hydraulic telescoping boom crane lifts welded metal fixed glass frame for exterior cladding, as shown for glass cladding already placed. Crane has turned from its pick from storage at the left, ~100 degree. Three workers wait just past lifted frame, behind perimeter cables, to receive the frame and store it temporarily beside previously lifted frames to the right. To right is Link-Belt wheel-based rough-terrain hydraulic telescoping boom crane. Biomedical Science Research Building, University of Michigan, Ann Arbor, 2004.
My Construction Photos > Bridge construction, concrete/foundation construction: Two transportable compartment barges provide working platform for heavy equipment constructing foundation and structure for concrete bridge. Far barge supports Genie hydraulic telescoping boom man lift/ work platform. Near barge supports Terex HC80 crawler based open web truss boom cable crane. Barges are anchored by piles driven shallow distance into river bed. Dixboro Road Bridge over Huron River, Ann Arbor, Michigan 2005.
My Construction Photos > Building construction demolition.
My Construction Photos > Building construction demolition. Komatsu backhoe grapple releases building demolition debris. YMCA, Ann Arbor, 2003
My Construction Photos > Building construction demolition. Samsung backhoe grapple bites a chunk out of building being demolished. Water sprayed from hose from right decreases dust and other air contamination from demolition. YMCA, Ann Arbor, 2003
My Construction Photos > Asphalt construction: Asphalt wheel saw cuts groove in asphalt pavement, and conveyor loads waste asphalt into truck.
My Construction Photos > Asphalt construction: Ditchwitch small trenching machine below pavement-2
My Construction Photos > Wood construction, construction materials: Manitoulin lumber tanker is solution to a particular backhaul problem, carrying a load for only one way of a two way haul. The lumber tanker transports bulk fuel (80% of a standard tanker) to lumber processing mills and hauls out a full load of finished lumber, 2x6's in this case. Ontario, Canada, 2005.
My Construction Photos > Earth moving construction trucks: Peterbilt tandem rear end dump trucks deliver soil to build up South side ramps for Dixboro Bridge. Concrete bridge piers are mid right, and background is the North side of the Huron River. Ann Arbor, MI, 2002.
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 > Construction welding: External pipe lineup clamp holds two large bore pipe sections in position for welding. Welder standing on right of pipe and welder on his back left of pipe (welding above his face) make initial electric arc weld stitching around pipe joint to hold joint in position for the first complete weld bead all around the joint (after lineup clamp has been removed). Dixboro Bridge, Ann Arbor, 2004