A straight measurement of length (12 inches), used to price materials sold or installed by the foot.
A linear foot is a unit of length equal to 12 inches, used to measure and price materials and labor for items where only length matters—not width or thickness. Linear foot pricing is common for piping, conduit, rebar, trim, fencing, curbing, and similar elongated materials. Estimators calculate linear feet from plan dimensions and apply a unit cost to determine the total line item cost.
The site plan shows 340 linear feet of 6-inch PVC storm drain piping; at $28 per LF installed, the storm drain cost is $9,520.
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