particular specifications (road works) - CIDCO Maharashtra Ltd.

CIDCO OF MAHARASHTRA LTD
C.A.No.01/CIDCO/SE(KHR)/EE(KHR-I)/2010–11 Pg. No. 510
51.0 DRY RUBBLE PACKING
Dry rubble packing shall consist of a layer of uniform thickness of
blue trap stone rubble carefully set on ground properly formed for
the purpose. The stones shall be laid upon their largest face. The
interstices between the rubble stone shall be filled up with stone
chips and the whole packing made compact. If the packing be
required for road work or other similar purposes, the layer of rubble
shall be composed of large stones weighing not less than 30 kg.
each. If the packing be required for flooring, the stone shall weigh
not more than 2.25 kg. each.
52.0 BRICK MASONRY WORK
a) Materials
a) Bricks - Bricks to be whole, sound, well burnt, free from cracks
to ring when struck and not to crack or break when soaked in
water or thrown on the ground on their flat face in a saturated
condition from a height of 60 cm, regular in shape and uniform
size. They shall be of the best description obtainable in market
and of the best quality and colour. They shall not absorb water
more than 20 per cent of dry weight when immersed in water
for 24 hours. They shall have a crushing strength of not less
than 35 kg./cm.
iv) Cement - Cement shall conform to the specification detailed in
Clause No.88.