Planning & EstimatingQuestion 404 of 521
Estimators add a waste factor to material quantities to account for what?
a.Material lost to cutting, scrap, and errors
b.Overtime labor hours
c.Permit fees
d.Contractor profit
Explanation
A waste factor increases ordered quantities to cover material that is cut off, scrapped, or mistakenly used so the job does not run short. It is not related to labor overtime, permit fees, or profit.
Practice all 521 questions free — no signup required.
Related questions on this topic
- A dwelling's standard-method net calculated load is 28,600 VA on a 240 V service. What is the smallest standard service size that will carry it?
- Using Table 250.66, for copper service-entrance conductors of 3/0 AWG, what is the minimum size copper grounding electrode conductor?
- In a bid, what does overhead refer to?
- A home run is 60 ft long and pulls 3 conductors. Adding 10% for waste, approximately how much conductor should be ordered?
- If a receptacle takes 0.5 labor-hour to install, how many labor-hours should be estimated to install 30 receptacles?
- Using the optional method, a dwelling's 220.82(B) loads compute to 19,280 VA, plus 5,000 VA of air conditioning at 100%. On a 240 V service (about 101 A), what is the minimum standard service size?
Last reviewed: · editorial process
PrepPass Editorial Team · Verified against California CSLB C-10 Electrical Trade Examination · How we review