Taking Off Roof Quantities

When building up composite rates for approximate quantities you have to follow some basic principles.

Taking off roof quantities.

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. However remember that quantities taken off plans are only estimates. 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. 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.

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. 1 the angle of the roof or the rise run of the roof. Roof types take off examples in this guide are for the most common roof types skillion gable hip and bullnose the. 6 x double pitched truss continue reading.

Accurate roof sheeting sizes must be obtained by measuring the roof structure on site after the rafters or battens have been pitched. Besides the estimator can compare prices per sq ft for different roofing materials. Trick of the trade 4. Composite rate build up roof the elemental estimate layout and grouping of items will be used in this example.