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Classify the construction equipment's based on their performance. Explain the role of construction engineer in construction industry.
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Construction equipments can be broadly classified as under:

1.Earthwork equipments:

  • Earth cutting and moving equipments: Bulldozers, Scrapers, Front-end loaders, Motor graders.

  • Excavation and lifting equipment: Backhoes, Power shovels, Draglines, Clamshells.

  • Loading equipment: Loaders, shovels, Excavators.

  • Transportation Equipment: Tippers, Dump trucks, Scrapers, Conveyors.

  • Compacting Equipment: Tamping foot rollers, smooth wheel rollers, Pneumatic rollers, Vibratory rollers, plate compactors.

2.Concreting Plant and Equipments:

  • Production Equipment : Batching plants, concrete mixers.

  • Transportation equipment : Truck mixers, Concrete dumpers.

  • Placing equipment : Concrete pumps, Conveyors, Hoists, Grouting equipment.

  • Concrete Vibrating equipment: Needle vibrators, Plate compactors.

3.Material Hoisting Equipments:

  • Hoists: Fixed, Mobile, Fork lifts.

  • Mobile cranes: Crawler mounted, self propelled rubber tyred, truck mounted.

  • Tower cranes: Stationary, Travelling type.

4.Special Purpose heavy construction plant and Equipments:

  • Aggregate production equipment: Crushing plants, Rock blasting equipment, Screening plants.

  • Concrete paving equipment: Concrete paver finishers.

  • Pile driving equipment: Pile driving hammers.

  • Asphalt mix production and Placement equipment: Asphalt plants, Asphalt pavers.

  • Tunneling equipment: Drill Jumbos, Muck hauling equipment, Rock bolters, Tunnel boring machines.

5.Support & Utility services Equipment:

  • Pumping and Dewatering equipment.

  • Pipe laying equipment.

  • Generators.

  • Welding equipment.

The Role of Construction engineer in construction industry:

  • The role of engineer on the job is required to match the right machine or combination of machines to the job at hand.

  • For this purpose, he is required to identify the construction equipment for executing project tasks, assessing equipment performance capability, forecasting date wise requirement of numbers and types of equipment.

  • The proper emphasis is required to be given by the engineer on reduction of down time, achieving optimum utilization, increase in production at minimum cost through right selection.

  • He is also expected to coordinate with various wings of the project in discharging his job of equipment planning, balancing, selection of equipment, its deployment and preventive maintenance.

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