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Tender For corrigendum : repair replacement of external water supply ci gi pipe line valves pumps motor connected items at nofra i and ii under ge gomantak vasco
Tender For supply of spare components and replacement of damaged components in induced draft pultruded frp counter flow cooling tower at heavy water plant (kota) site. - supply of pvc film fill block of size 6 x2 x2 ., supply of square channels of pultruded frp material of size (width/height x thickness x length): 4 inch x 1/4 inch x 24 feet., supply of c-channels of pultruded frp material of size (width x height x thickness x length): 4 inch x 1-1/8 inch x 1/4 inch x 18 feet., supply of c-channels of pultruded frp material of size (width x height x thickness x length): 6 inch x 1-5/8 inch x 1/4 inch x 18 feet., supply of complete partition sheets (frp sheets) of adjacent cells and replacement of existing partition sheets. sheet thickness: 3 mm. fasteners for installation of sheet shall be arranged by contractor., supply of hex head gi bolts with hex nut. size: m12 x 130 mm long., supply of self threading screws having hex head. size: dia 5 mm x 60 mm long., replacement of old neoprene rubber seal/grommet for distribution pipe with new seal/grommet (spare neoprene rubber seal/grommet shall be provided by dept.)., replacement of damaged water distribution nozzles with new nozzles (fasteners and gasket shall also be replaced) (spare nozzles along with fasteners and gasket shall be provided by dept.)., replacement of damaged pvc film fill blocks of size 6 x2 x2 with new fills blocks (for 410 nos. fills, spare pvc film fill sheets shall be provided by dept., contractor shall prepare fill blocks by corrugating, arranging adhesive, application of adhesive and assembly). scrap fills shall be shredded into pieces, packed in bags and shifted to designated place., replacement of damaged pvc drift eliminators with new pvc drift eliminators. (spare c type drift eliminators along with spacers shall be provided by dept., contractor shall assemble the drift eliminators)., removal, cleaning/de-choking and re-installation of water distribution nozzles., repair of leaky joints of outer frp sheets of cells by aligning sheets, jointing with fasteners and providing frp lining on joints from inside/outside. frp lining shall be of four chopped mat and two surface mats laminated with resin for 4 mm thickness., internal structural maintenance of main header, branch pipes, fill supports, main structural members of ct cells etc by replacing/providing square channels/c-channels etc supplied at sr. no. 2, 3 & 4 above.
Tender For bid to ras bid to ras repair, maintenance, and installation of plant/ systems/equipments (version 2) - defence area; repair/maintenance old unserviceable critical equipment chemical earthing; service provider.-1) m & l for replacement of old defective earthing by providing new chemical earthing comprising copper earth plate electrode 900 x 600 x 5 mm thick burried directly in ground, earth pit not less than 5.10 metres below normal ground level and complete size of pit shall be 1.60 m x 1.60 m x 5.10 metres, with top edge of the plate not less than 3.75 metres below normal ground level, earth plate surrounded from all sides by 20 cm thick.salt, chareeal dust, magnisium sulphate and enhancing back fill compound (powder) suitable to increase the earth resistant value filling in alternate layers of 20 cm thick up to 1.8 metres height and including connected to copper strip 32 x 6 mm (upto 7.5 metres) by means of brazing / coppers nut-bolts, earth strip protected with 65 mm bore light grade pipe from electrode and upto test point, 15 mm bore watering pipe light grade gi funnel, wire mesh, including excavation, removal surplush soil to a distance not exc. 50 m, pcc pit in pcc (1:3:6) type c-1, using 20 mm graded stone aggregate, rcc cover 40 mm thick in rcc (1:2:4) type b1, using 20 mm graded stone aggregate reinforced with 8 mm dia mild steel deformed bars @ 75 mm centre to centre both ways complete all as specified and directed, 2) s&f test point termination block made of gun meetal or phosphorus bronze size 75 x 75 x 25 mm drilled and screwed including 3 nos. 8 mm dia 25 mm long hex head screw complete all as specified and directed, 3) earth continuity conductor or main earthing lead fixed to wall on battern or recess of chases or burried in ground or drawn in conduit/pipe of size 20 x 3 mm copper strip complete all as specified and directed, 4) s & f high density polyethylene pipes (hdpe)of dia 40mm as earthing contunuity protection laid in trenches/wall/floor complete all as specified and directed.
Tender For corrigendum : repair and maint of di/gi pipe line with allied works at tech area, mh, offrs mess, jatashankar colony, mes colony and various locations in aec trg college and centre pachmarhi
Tender For repair improvement of existing water pipe line and replacement of defective di ci gi pipe lines and other connected work and cleaning of under ground over head water reservoir ug sumps and swt including connected works in naval armament ns karanja
Tender For corrigendum : maint / repair of rusted / broken gi pipe and fitting and pvc tanks and float valves and sunken floor tank staging and saintary fitting and connected b/r work in 58 gtc and annual rate contract and 11 weu and mdc and mes etc of happy valley uder ge shillong