Tender For corrigendum : supply of cathodic protection on arc basis for 2 years - excavation and backfilling size 1 c x 16 sq mm , r1 cable jointing repairing of underground cable as per approved procedure including excavation and backfilling size 1 c x 25 sq mm , r1 cable jointing repairing of underground cable as per approved procedure including excavation and backfilling size 1 c x 35 sq mm , r1 making of pipe to cable connection , r1 painting of manual test station including removing of old paint rust etc , r1 painting of anode lead junction box , r1 painting of tr cppsm units including removing of old paint rust etc , r1 supply and replacement of copper copper sulphate permanent refrenece cells , r1 supply of portable cu cuso4 half cell for measuring of psp pipe to soil potential of pipeline , r1 supply and installation of explosion proof spark gap arrestors make across insulating joints at drs mrs etc , r1 supply installation and commissioning of polarization cell along with the enclosure suitable for housing of polarization cells , r1 preventive maintenence of polarisation cells , r1 supply and installation of pre packed magnesium anodes with cable having weight 17 pounds , r1 supply and installation of pre packed zinc grounding cell 22kg htype , r1 supply and installation of pre packed zinc grounding anode weight 17 lbs , r1 preventive maintenance of anode ground bed , r1 sitc of earthpits , r1 halfyearly monitoring of earthpits , r1 recharging of existing earth pits , r1 chamber repair of earth pit , r1 earthpit chamber ms cover thickness , r1 supply and installation of cable markers , r1 carrying out on off close interval potential logging , r1 carryingout direct current voltage gradient , r1 stray current interference survey at railway crossing or runnig parallel to gail gas pipelines , r1 stary current interference survey at foreign pipeline crossing or runnig parallel with gail gas pipeline , r1 stray current interference survey at ht crossings or runnig parallel to gail gas pipelines , r1 excavation and backfilling of pipeline in all type of soils and ordinary rocks , r1 coating repair removing the old damaged coating rust greese moisture and all foreign material at defect material with scrapper , r1 cat survey of un piggable pipelines at every 10m interval , r1 supply installation and commissioning of earth pits , r1 supply installation and commissioning of maintenance free earth pits , r1 supply and laying or erection of 25 mm x 3 mm gistrip upto half metre below ground , r1 supply and laying or erection of 50 mm x 6 mm gistrip upto half metre below ground , r1 supplying and coating of r95 , r1 breaking of rcc surface for the construction of earth pits etc , r1 breaking of pcc surface for the construction of earth pits etc , r2 supply and installation of manual test station complete with lower bend and with pcc foundation , r2 supply and installation of manual test station with out lower bend and with out pcc foundation , r2 shifting of manual test station along with foundation and cable to suitable location as per instruction of eic , r2 repairing of manual test stations foundation with supply and replacement of foundation bolts and nuts , r2 repairing of manual test stations including supply and replacement of damaged door , r2 supply and replacement of damaged or missing locks in manual test station including labor consumables tools and tackles , r2 supply and replacement of damaged or missing doors in manual test station , r2 supply and installation of damaged missing terminal plates all types , r2 supply and fixing of diagram plate in the existing test station of all types complete in all respect , r2 supply installation testing and commissioning of anode lead junction box , r2 repairing of bid details/ 2 / 93 aljb including supply of new locks and latch for the outer enclosure , r2 supply of 1c x 4 sqmm , r2 supply of 1c x 6 sqmm , r2 supply of 1c x 10 sqmm , r2 supply of 1c x 16 sqmm , r2 supply of 1c x 25 sqmm , r
18 Dec, 2024
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