SELECTION OF APPROPRIATE EQUIPMENT
Principal aspects of equipment selection:
Technical aspects
Economic aspects
PLANNING OF EQUIPMENT SELECTION INVOLVES TO GET ANSWER OF :
For what the equipment needed?
When is the equipment needed and for how long?
Which capacity of equipment is needed?
Which one should be selected based on past experience?
Depending upon the type of project following survey should be performed:
Geological condition
Weather condition
Site conditions
Transportation facilities
Availability of Fuel
Availability of labor
Availability of Electricity/ water
Pollution standards
Factors affecting selection of proper construction equipment:
Task Consideration
Site constraints
Equipment suitability
Operating reliability
Maintenance
Economic consideration
Commercial consideration
Task Consideration
Nature of task and specifications
Quantity of work and time allowed for completion Distribution of work at site.
Interference expected and inter dependence with other operations.
Site Constraints
Accessibility of location
Working space restriction
Altitude and weather conditions
Working season and working hours
Availability of local resources of manpower, materials and equipment.
Availabilityof local equipment hiring, repair and maintenance facilities locally.
Availability of fuel, oil and lubricants.
Equipment Suitability
Type of equipment considered suitable for the task.
Production capability, service conditions and delivery time of each equipment available.
Equipment already own by the contractor.
Usefulness of equipment available for other and future tasks.
Operating Reliability
manufacturer’s reputation
Equipment components, engine transmission, brakes, steering operator’s cabin.
Use of standard components
Warranties and guarantees
Vendor’s after sales services
Operator’s acceptability, adaptability
and
training requirement
Structural design
Safety features
Maintenance
Ease of repair and maintenance
Vendor’s after sales service,
repairs, spares and maintenance.
Availability of spare parts.
Standardization consideration
Economic consideration
Owning costs.
Operating costs.
Resale or residual value after use.
Replacement costs of existing equipment
Commercial consideration
Buy second hand or new equipment
Rent equipment
Purchase or lease.
