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Unformatted text preview: and walls shall be measured 3.3 Removing
plaster by scraping
separately in square metres. or otherwise shall of separately.
be measured 3.4 Plastering in isolated widths or in widths not forming part of general
work ( as in bands, cornices,
sunk, panels, etc)
chamfers, rounded angles exceeding 80 mm in girth shall be measured a~
a) 30 cm or below in width/girth,
b) iVidth./girth in running metres; and above 30 cm in square metres. 3.5 Plastering at a height greater than 10 m above ground/datum level
shall be measured separately in stages of 5-m height except interior
plastering in case of building which shall be measured separately for
5 W t 1269 ( Part XII ) - 4976
3.6 All plastering shall be measured in square metres unless otherwise described.
3.7 Cutting to edges shall De measured separately
alternatively described and included in the item. in running metres or 3.8 D&jnactions
3.8.1 For jambs, soffits,
each in area, for ends of
exceeding 65 ms each in
not exceeding 3 ma rin each
in the following manner: sills, etc; for openings not exceeding 0.5 m2
joists, beams, posts, girders, steps, etc, not
area, and for openings exceeding 0’5 ma and
area, deductions and additions shall be made a) No deduction shall be made for ends of joists, beams, posts, etc,
and openings not exceeding
0.5 ms each and no addition shall
be made for reveals, jambs, soffits, sills, etc, of these openings
nor for finish to plaster around ends of joists, beams, posts, etc.
b) Deductions for openings exceeding 0.5 m2 but not~exceeding 3 ma
each shall be made as follows and no addition shall be made for
reveals: jambs, soffits, sills, etc, of these openings:
1) When both faces of wall are plastered with
deduction shall be made for one face only. same plaster, 2) When two faces of wall are plastered with different types of
plaster or if one face is plastered and the other pointed,
deduction shall be made from the plaster or pointing on the
side on which width of reveals is less than that on the other
side but no deduction shall be made on the other side. Where
widths of reveals on both faces of wall are equal, deduction
of 50 percent of area of opening on each face shall be made
from areas of plaster and/or pointing as the case may be.
3) -When only one face is plastered and the other face is
not, full deduction shall be made from plaster if width of
reveal on plastered
side is less than that on unplastered
side hut if widths of reveal on both sides are equal or
width of reveal on plastered side is more, no deduction shall
4) When width of door frame is equal to thickness of wall or
of wall, full deduction
opening shall be made from each plastered face of the wall.
3.8.2 In case of openings of area above 3 m* each, deduction shall
be made for opening on each face but jambs., soffirs and sills shall be
calccdating areas of openings, the extra width of rebated
any, shall be exclud...
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This document was uploaded on 10/01/2013.
- Fall '13