When thinking of roof problems you just need to worry about three things.
Taking off roof quantities.
Composite rate build up roof the elemental estimate layout and grouping of items will be used in this example.
6 x double pitched truss continue reading.
Off a roof plan.
We are going to illustrate a composite rate build up for the roof.
Roof types take off examples in this guide are for the most common roof types skillion gable hip and bullnose the.
Besides the estimator can compare prices per sq ft for different roofing materials.
Trick of the trade 4.
When building up composite rates for approximate quantities you have to follow some basic principles.
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.
However remember that quantities taken off plans are only estimates.
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.
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.