When thinking of roof problems you just need to worry about three things.
Taking off roof quantities.
Off a roof plan.
We are going to illustrate a composite rate build up for the roof.
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.
Trick of the trade 4.
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.
When building up composite rates for approximate quantities you have to follow some basic principles.
Accurate roof sheeting sizes must be obtained by measuring the roof structure on site after the rafters or battens have been pitched.
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.
Roof types take off examples in this guide are for the most common roof types skillion gable hip and bullnose the.
1 the angle of the roof or the rise run of the roof.
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.
6 x double pitched truss continue reading.