particular specifications (road works) - CIDCO Maharashtra Ltd.

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CIDCO OF MAHARASHTRA LTD C.A.No.01/CIDCO/SE(KHR)/EE(KHR-I)/2010–11 Pg. No. 448 1.0 SCOPE OF WORK PARTICULAR SPECIFICATIONS SEWERAGE WORK This specification is intended to provide generally for the following works viz. a) Construction of sewer, b) Construction of manholes on sewer, c) Erection of ventshafts, d) Such other work or works incidental to the construction of the sewer. 2.0 DATUM FOR LEVEL All levels referred to in connection with these works are based on the plane known as G.T.S. 3.0 EXCAVATION 3.1 The total excavation will be classified and paid for under two heads only, viz. (a) General excavation to include excavation in road surfaces of every description together with their foundation, clay, loose sand stone, murum, boulders, sand, lime, cement masonry and all other materials of whatever description not requiring to be blasted. 3.2 Rock excavation (Definition of Rock) Rock excavation to compromise excavation in rock, big boulders more than 0.5 cubic metre in volume very hard sand stone or literal concrete, requiring to be blasted by an explosive or burst out in small pieces by iron wedges or chisels.
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.
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particular specifications (road works) - CIDCO Maharashtra Ltd.

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