reason piece

raising piece

A piece of timber laid on a brick wall, or on the top of posts or puncheons of a timber-framed house, to carry a beam or beams; a template.
References in periodicals archive ?
Building Dimensions: approx 45 x 45 reason piece Surface area m,: 7,594 mA, reason piece circumference: 360 m, building-Nett Area: 2,795 mA, Gross floor area: 3,955 mA