Lecture 3 Flashcards
What is the quantity takeoff?
Is a process of measuring the work of a project by means of a series of quantified work items.
What are three basic rules when taking off quanities?
- Mesrure everything as it shows
- Take off everything that is shown
- If its diffrerent keep it seperate
What is the take off order
- Analyze the project for its natural components or assemblies (foundation, floor, walls,
roof, and so on). - Make these natural components the main headings on the quantity take-off sheets. Eg.
Foundations, Floors, Walls, etc… - Start with the component that is required first and list all the items required. These
items become the subheadings. - Calculate the amount of material required for each item.
What does net in place mean?
“net” in place” which means quantities are calculated using the
dimensions on the drawings with no adjustments made for waste and other factors.
What is the waste allowance percentage?
5%
When are deductions used?
DEDUCTIONS FOR OPENINGS - A standard allowance for openings is to use the member area size. To calculate the area to be deducted for openings, the rough size is used
A 3046 opening (window) is?
3’-0’’ wide by 4’-6’’ high
How many decimal places are we to be accurate in our estimates?
2 decimals