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. 473
dry condition should be forced into the joints and well rammed with
caulking tools the whole space around the spigot between it and the
socket is united full, and the joints shall be finished off with a
splayed fillet sloping at 45 degrees to the side of the pipe. The shaft
or a pipe entering or leaving a manhole shall have splayed fitlet of
neat cement laid around the same extending on the outside
plastering of the manhole 75 mm beyond the outside of the pipe
and 75 mm beyond the outside plastering of the manhole. Such
fillets shall be deemed to be included in the rates for pipe laid
complete.
b) Great care must be taken after the joints are made that the pipes be
not moved or shaken before the cement has thoroughly set.
c) The rate for providing, laying and jointing of S.W. or R.C. pipes shall
also include the cost of plugging up the mouths of these pipes with
brick in cement mortar 1:6 with cement plaster 1:3 wherever
directed by the Engineer.
29.2 Jointing concrete Pipes
a) Each concrete pipe with the rubber ring accurately positioned on the
spigot shall be pushed well home into the socket of the previously
laid pipe by means of uniformly applied pressure with the aid of a
jack or similar appliance.
b) Concrete pipes of the spigot and socket type with roll on rubber
rings shall be used, and the manufacturer’s instructions shall be
deemed to form a part of this specification.