Project Estimating Flashcards
Generating Estimate and Quote
Job details
Material requirements and costs
Labour costs
Profit margin
Generating an estimate and quote
Considerations:
Environment
Indoors / outdoors
Considerations: quality control, requirements
May need to develop test and register welding procedure
Additional costs may be associated with required codes or specifications
Considerations: liability insurance and other conditions
Additional liability insurance
Performance bond = money is released when company / person does correct job they were supposed too.
Considerations: equipment
Some work such as shearing or braking or custom cutting may be sent to specialty shop
Considerations: welding
More position welds than flat or rolled will cost more
Specialized welding processes may be required
Considerations: Transportation
Additional shipping costs
Job costs
Job details
Material costs
Labour costs
Overhead
Profit margin
Generating estimate
Overhead costs
Office staff 5%
Equipment 2%
Rent, gas, electricity 10%
Vehicles 3%
Total 20%
Profit margin, all growth and losses come out of profit
Losses that occurred on previous job
Expansion of business
Buying in bulk numbers for future jobs
1 square foot
144 square inches
Hydrostatic testing
Filling container with liquid or immersing in liquids to test for leaks
Pneumatic testing
Leak detection test using gas under pressure within container. Soapy water is applied to all welds and fittings any bubbling is a leak.
Pneumatic testing
Kilopascals/ psi
15 kilopascals - 20 kilopascals
2 psi - 3 psi
Never more than 35 kilo pascals (5 psi) unless job requires special procedure.
Circumference of a circle
C= pie D