William A. Radford · Radford Architectural Company · leaf 14
year) made, andcomposition or proportions used, as, forexample, 1-3-5, meaning one cement, threesand and five stone. 11. Thickness of Walls. The thicknessof bearing walls for any building whereconcrete hollow blocks are used, may beten (10) per cent less than is required bylaw for brick walls. For… … Work About Windows. struction of party walls, except when filledsolid. 13. Walls, Laying of. Where the faceonly is of hollow concrete block, and thebacking is of brick, the facing of hollowblock must be strongly bonded to the brickeither with headers projecting four (4)inches into the brick work,…
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