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. 368 mix, or blocks, used for chilling the mixing water. In either case, the contractor shall be paid only the cost of such ice delivered on site and nothing extra for additional labour involved in weighing and mixing. 5.17 Construction Joints : 5.18 CRACKS : Construction joints in all concrete work shall be made as directed by the Engineer. Where vertical joints are required, these shall be shuttered and two coats of approved surface retarders shall be applied as directed by the Engineer on the surface of formwork in contact with concrete. The joint concrete shall not be allowed to take the natural slope of the concrete. In case of freshly hardened concrete, before fresh concrete is placed against a vertical joint, the old concrete shall be wire brushed and cleaned by water jet and surface dried with jet of air and cleaned. In case of old hardened concrete the surface shall be chipped and cleaned. When horizontal joint is formed the top layer of previously laid concrete will cleaned as described earlier depending on whether the concrete is fresh or fully hardened. Before fresh layer of concrete is placed, the surface shall be wetted by waterjet and dried by air jet a joint made as per MORT&H specifications. 5.18.1 If cracks develop in concrete construction, which in the opinion of the Engineer may be detrimental to the strength of the construction, the contractor at his own expense shall test the slab or other construction as specified in Special Conditions. If under such test loads the cracks develop further, the Contractor shall dismantle the construction, carry away the debris, replace the construction and carry out all consequential work thereto.
CIDCO OF MAHARASHTRA LTD C.A.No.01/CIDCO/SE(KHR)/EE(KHR-I)/2010–11 Pg. No. 369 5.18.2 If any cracks develop in the concrete construction, which in the opinion of the Engineer, are not detrimental to the strength of the construction, the contractor at his own expense shall grout the cracks with polymer cement grout of approved quality at his own expense and risk and shall make good to the satisfaction of the Engineer the surface finish which in the opinion of the Engineer has suffered damage either in appearance or stability owing to such cracks. The Engineer’s decision as to the extent of the liability of the Contractor in the above matter shall be final and binding. 5.19 DEFECTIVE CONCRETE : Should any concrete be found honeycombed or in any way defective, such concrete shall on the instruction of the Engineer be cut out by the Contractor and made good at his own expenses. 5.20 Exposed Faces, Holes and Fixtures : On no account shall concrete surfaces be patched or covered up or damaged concrete rectified or replaced until the Engineer or his representative has inspected the works and issued written instructions for rectification. Failure to observe the procedure will render that portion of the works liable to rejection; in which case it will be treated as rejection, which has failed to meet specified strength requirements and dealt with according to relevant Clause 10. Holes for foundation or other bolts or for any other purposes shall be moulded, and steel angles, holdfasts or other fixtures shall be embedded, according to the drawing or as instructed by the Engineer.
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particular specifications (road works) - CIDCO Maharashtra Ltd.

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