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. 442 stream area from the filling of the cofferdam or from any excavation shall be removed and the stream area made free from obstruction caused thereby as directed by the Engineer. 23.6 Item to include: 1) All labour, materials, use of equipment and other arrangement necessary for dewatering during excavation and construction of other items requiring dewatering. 2) Dewatering foundation trenches, excavation and other areas to be built upon to enable the masonry, concrete or other construction work to be done in the dry and till the Engineer considers that the mortar or concrete has sufficiently set. 3) Dewatering all the items requiring dewatering are fully completed. This shall also include time required for passing foundations and taking measurements of all the items requiring dewatering. 4) Removing liquid stuff of any sort which might find access into the trenches by blowing, slip or any other cause what-so-ever from the sides or bottom of the foundation or excavation or from elsewhere during or after dewatering. 23.7 Mode of measurement and payment: The contract rate shall be per hours of pumping.
CIDCO OF MAHARASHTRA LTD C.A.No.01/CIDCO/SE(KHR)/EE(KHR-I)/2010–11 Pg. No. 443 TECHNICAL SPECIFICATIONS (SEWERAGE WORK) I Manufacturing of R.C.C. pipe NP2 & NP3 Pipes (NP2 or NP3 class) : Manufacturing of pipe as per IS 458 with the latest amendments as per Clause 6 with amendment, casting pipe by spinning, vibrating the concrete method. Flexible Rubber joints like pipe socket – spigot shall provided. 1) Cement : As per IS 8041, IS 8043 and IS 8112 a latest version for the manufacturer of concrete pipes. 2) Steel wire fabric : i) Mild steel grade –I, as per IS : 432 Part –I & II structural steel as per IS : 2062. 3) Class of pipe NP2 (Rubber Ring Roll on Joint) NP3 (Rubber Ring Roll on joint) : ii) As per IS 1566 and IS 1786 and IS 226 of latest amendments. : Spigot and socket as per Table No.9 of IS code 458 with latest amendments and design as per Table No.2 with amendments. : Spigot and socket as per Table No.10 and 10A of IS code 458 with latest amendment. Design as per Table No.3 with amendments. Barrel thickness design should be approved before taking work of
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