bids are invited for custom bid for services - refurbishment of dry gas seal for egt machine installed at compressor station dibiyapur on oem basis - metallic mts of conventional type, 300mmx270mm - refer drawing , metallic mts suitable for installation of polarization cell, 500mmx400mm - refer drawing , repairing of aljb , metallic mts suitable for cjb (for atleast 3 p/l connections) including resistance, shunt, bus- bar etc. - refer drawing , supply & installation of new mts on old existing foundation , shifting of existing mts /tlp , supply & fixing of damaged parts of test station , door lock (panel/castle) , diagram plate , door gasket , terminal plate , repairing of tlp doors , repair of mts/aljb/cjb/cts foundation , painting & letter writing on mts/aljb/cjb/cts , supply of cable (make : netco/ polycab / universal) , 1c, 4 sq mm, xlpe armoured, copper conductors , 1c, 6 sq mm, xlpe armoured, copper conductors , 1c, 10 sq mm, xlpe armoured, copper conductors , 1c, 25 sq mm, xlpe armoured, copper conductors , 1c, 35 sq mm, xlpe armoured, copper conductors , laying of cable size 04 sq mm to 35 sq mm , cable jointing and repairing (location wise) , pipe to cable connection size 04 sq mm to 35 sq mm, including excavation & backfilling , supply & installation of permanent cu-cuso4 reference cell (make : mc miller / tinker raser make) , supply & installation of explosion proof spark gap arrestor (make: dehn / rustroll / dairyland/obo-battermann) , supply and installation of pre-packaged zn anode (20kg/48 lbs) , supply and installation of pre-packaged anode magnesium (17 lbs) , maintenance of existing anode ground bed , supply, installation and commissioning of new earth pit , rev ing/recharging/reconditioning of existing earth pit , supply, laying & connection of gi strip , coating integrity survey , cips (on-off) survey , dcvg survey , cat survey , excavation & backfilling in pipeline rou- manually , repair of coating defects using cold applied tape provided by gail as free issue material (running meter) , hiring of expert services for maintenance of cp units (cppsm/tru) installed at svs/ ipg/tot/ips , supply & installation of polarisation coupon with magnetic read switch , current measurement at b type test station & coating conductance/resistance measurement , 24 hours data logging of ac voltage , psp & current density (ac & dc) , supply installation and laying of zn ribbon 12.7x14.3mm , supply of portable half cell, cu-cuso4, mc miller make , repair of coating defects using r95 paint provided by gail as free issue material , pre cast chamber for sspc , laying of 16-35 mm2, 3.5 c power cable , laying of 50-120 mm2, 3.5 c power cable , cable jointing of 16- 35mm2, 3.5 c cable , cable jointing of 50-120 mm2, 3.5 c cable , supply of earth pit chamber ms cover , permission from statutory authority