When thinking of roof problems you just need to worry about three things.
Taking off roof quantities.
We are going to illustrate a composite rate build up for the roof.
Before commencing taking off quantities for the roof structure the surveyor should draw up a to take list to ensure that no work items are overlooked.
1 the angle of the roof or the rise run of the roof.
Off a roof plan.
Besides the estimator can compare prices per sq ft for different roofing materials.
When building up composite rates for approximate quantities you have to follow some basic principles.
Composite rate build up roof the elemental estimate layout and grouping of items will be used in this example.
However remember that quantities taken off plans are only estimates.
Quantity take off roofing roof material quantity take off are pretty easy trig problems but i will go over it quick to make sure you get it because most likely a question will be on the pe exam.
Services roof and ceiling take off sheets in a roof estimating sheet the estimator will get the roofing costs and calculate the estimate of total roof work.
Accurate roof sheeting sizes must be obtained by measuring the roof structure on site after the rafters or battens have been pitched.
The order of items on this list should follow a logical sequence and these should then be rearranged into arm sequence in order to bill the work.