Unformatted text preview: 10 cm in girth or width, unless included in the main item:
a) Sunk work to faces, beds and joints as in arches,
key blocks, splays, batters, weatherings, etc; and
b) Moulded work as in cornices voussoirs and ( girth of moulding measured). 17.2 The following labours shall be measured separately in running
metres, when not exceeding 10 cm in width or girth, unless included in
the main item:
a) Chamfers, arrises, or splays not exceeding 1.5 cm in width;
b) Chamfers, arrises, or splays exceeding 1’5 cm but not exceeding
10 cm in width;
c) Rounded bullnoze-angles or mouldings or hollow angles;
d) Rebates, grooves ( square, hollow or dove-tailed ) in facework;
e) Rebates, grooves ( square, hollow or dove-tailed ) for joints,
tongues of sills, etc; and
f) Cutting chisel drafted margin.
17.3 Drilling or cutting
hole and its depth. holes shall be enumerated stating diameter of 17.4 Cutting rectangular or dove-tailed mortice in dressed stones shall be
enumerated stating size in cubic centimetres; and running with cement or
lead shall be described.
10 IS t 1200 (Part IV) - 1976
18. STOPS, MITRES,
18.1 Stops, mitres
19. FIGURES, and returned LETTERS, 19.1 Curved figures,
20. BOULDER ETC letters, ends shall be described and enumerated. ETC
etc, shall be described and enumerated WORK 20.1 Boulder work shall be measured
boulders and classified as follows:
a) Boulder filling b) Boulder walling dry, c) Boulder walling in mortar in cubic. metres dry hand-packed,
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