tender for dd ttc kalwa dd ttc kalwa m and r to bg main attending major break down on b.g. main north and south feeder as and when required - hire charges of machineries rent for concrete breaker & compressor 3 rent for welding set with generator 4 truck hire charges upto 20 km 5 rent for jcb 6 rent for crane 7 pipe cutter with operator 8 dewatering on bhp basis by using water pump including diversion of stream, providing cofferdams, earthern bunds etc. as may be necessary for foundation and other parts of the the works and pumping out water during and after excavation as may be required by using 10.0 to 19.0 bhp pump etc. complete. (prior approval of superintending engineer will be necessary) 9 pump driver 10 helper 11 welder 12 site supervisor 13 oxygen gas (refill) 14 supply of lpg gas cylinder including transportation & taxes etc. complete. 15 supply of welding rod having weight 5.25kg. 16 providing and supplying d.i. fittings with i si mark mechanical j oint confirming to tables 12 to table 31 of is 9523/2000 upto latest amendments including cost of sbr/ edpm gaskets, nuts, bolts, washers and ductile iron follower glands. fittings should be with internally ordinary portland cement mortor lined and externally metallic zinc coating/zinc rich paint with finishing layer of black bitumen coating including transportation and excluding all statutary duties and taxes such as gst levied by gol and gom in all respect etc. complete. d.i. fittings (mechanical joints)mj collar/coupling 11) 600 mm dia 17 manufacturing, providing and supplying spirally welded / erw/ saw / fabricated m. s. pipes (commercial quality) including procurements of plates, gas cutting to required size rolling, tack welding assembling in suitable lengths to form pipes, welding on automatic welding machine and forming ‘v’ edge on both ends of pipes including railway freight, insurance, unloading from railway wagon, loading into truck, transport to stores, unloading, stacking, excluding gst levied by goi & gom in all respect etc. complete as per is - 3589 and is-5504 as applicable as per specifications (no negative tolerance in thickness is permissible). dia of pipe :1600.00 mm (i. d.) thickness of pipe :2) 8.00 mm. 18 dia of pipe : 1800.00 mm (i. d.) thickness of pipe : 1) 8.00 mm. 19 dia of pipe : 600.00 mm (i. d.) thickness of pipe : 4) 8.00 mm. 20 providing and laying cast in situ/ready mixcement concrete in m20 of trap/ granite/quartzite/gneiss metal for steps including steel centering, formwork, laying/pumping, compacting, roughening them if special finish is to be provided, finishing uneven and honeycombed surface and curing etc. complete. the cement mortar 1:3 plaster is considered for rendering uneven and honeycombed surface, only. newly laid concrete shall be covered by gunny bag, plastic, tarpaulin etc. (wooden centering will not be allowed.), with fully automatic micro processor based plc with scada enabled reversible drum type mixer/ concrete batch mix plant (pan mixer) etc. complete. with fine aggregate (crushed sand vsi grade)