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. 434
The mortar used should be stiff. The brick work shall be kept wet
while the work is in progress for atleast seven days after
completion, to the entire satisfaction of the Engineer. On Sundays
and Holidays, when the work is not in progress, the masonry shall
be watered continuously by engaging Bhisties. Watering shall be
done carefully so as not to wash out mortar of the joints. The
Engineer shall be at liberty to engage labours at contractor’s cost
to water the work, should the Contractors fail to do so. Should the
mortar perish i.e. become dry, while or powdery, through neglect
in watering, the work shall be pulled down and rebuilt at
contractor’s cost.
The whole of the masonry work shall be carried up at one uniform
level throughout but where breaks are unavoidable, the joint shall
be made in good long steps, raked so as to prevent cracks arising
due to separation of old and new work. All junctions of walls shall
be formed at the time the walls are being built and cross walls
shall be carefully bonded into the main walls.
When new work is to be added to existing structing, the old work
must be prepared to receive new work by roughening and
grouting with a layer of rich mortar and both be carefully bonded
together.
During the rains the works to be carefully covered without extra
charge so as to avoid mortar being washed away.
d) Colouring of Brick
For colouring bricks, an earthern-ware box shall be provided a
few cm longer each way than a common brick, and half filled
with the liquid of the required description to about the consistency