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. 449
3.3 Class of excavation to be determined
3.4 Trial holes
In case of any question arising as to the class of excavation, the
Engineer shall determine (subject to the Chief Engineer's decision in
case of dispute by the Contractor) under which category, and to
what extent, any particular excavation shall be classified.
Trial holes/pits of such sizes and depths and such position as may be
necessary or directed by the Engineer shall be dug and subsequently
made good as may be ordered by and to the satisfaction of the
Engineer.
Trial holes/pits shall be allowed for in the rates for excavation and
sufficient trial holes must be dug to accurately locate and determine
the positions of service, culverts, and obstructions in advance of the
main excavation.
In all cases the trial pits are to be excavated in accordance with the
specifications for excavation, refilling and reinstatement etc.
3.5 Excessive excavation
After excavating the sites on which the various parts of the works are
to be constructed, if it is found that due to no fault of the contractor
and part of the formation is unsuitable to provide a satisfactory
foundation, such portions shall be further excavated to such depths
as the Engineer may direct, and refilled to original formation level
with mass concrete M-100 or hardcore of quarry waste as may be
directed. Payment will be made for such additional excavation and
filling at appropriate rates.