Administration Manual - B.E.S.T. Undertaking.

566
The internal walls of buildings will normally be 4.1/2” width (0.1143
metre) whereas the other walls usually measures 9” or 14” or 18” width
(0.2286, 0.3556 or 0.4572 metres respectively) as may have been specified
in the drawings.
In the case of half brick masonry wall and 23 cm. thick wall,
measurements are taken in square metres whereas in all other cases,
payments are made on cubic contents.
Deductions are made for all openings for lintels and recesses except for openings admeasuring
less than 45 cms. in both directions or less than 45 cms. diameter on the surface and when beams and
wall plates do not have bearing over entire thickness of wall.
2.11 DOORS, WINDOWS, SHUTTERS AND GATES:
Doors and windows, both teak and steel, are measured in the unit of
square metre. Clear area over one face including frame is measured.
Rolling Shutters are measured in square metres. Dimensions are required
to be the clear width between side jambs and clear height between floor
and bottom of lintel or beam.
Teakwood and mild steel gates are measured in square meters. Length is
the clear distance between finished surfaces of members between which
gate is fixed. Height is measured from finished ground level and top
horizontal member.
2.12 FLOORING, STRIKING AND DADO:
These are measured in square metres.
2.13 PLASTER: