Burden rate is defined as the total indirect contract costs, calculated as a percentage of the construction company's direct labor. In other words, for every dollar of direct labor allocated to a contract, burden is applied as a percentage of the direct labor. But before a contactor can accurately calculate burden rate, all contract costs assumed by the company must be fully accounted for and factored into the final burden rate equation.
tack (plural tacks) 1  A small nail with a flat head. 2  A thumbtack. ( 3 sewing) A loose seam used to temporarily fasten pieces of cloth. ( nautical) The lower corner on the leading edge of a sail relative to the direction of the 1  wind. (nautical) A course or heading that enables a sailing vessel to head upwind.
For the local services website, see Thumbtack (website). Thumb tack (US English), drawing pin (British English) A thumb tack (North American English) or push pin is a short nail or pin used to fasten items to a wall or board for display and intended to be inserted by hand, generally without the assistance of tools. A variety of names are used to refer to different designs intended for various purposes. Thumb tack and push pin are both sometimes compounded (thumbtack or pushpin) or hyphenated (thumb-tack or push-pin).