labor productivity unit; production rate; man-hours per unit
Technical term used in construction, civil engineering, and cost estimation. Refers to the amount of work (often in man-hours or labor cost) required to complete a unit of work, such as per square meter or per item. Not a general word for productivity.
The labor productivity unit for this construction work is 0.5 man-days per square meter.
We prepared the estimate using a labor productivity unit table.
Standard kanji spelling for this construction/engineering term.
Variant spelling without the okurigana り; also seen in technical contexts.
Compound of 歩 (bu, here meaning a unit of work or progress) and 掛り (kakari, cost or expense). The exact historical derivation is uncertain, but the term is well-established in Japanese construction and public works estimation.