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Tender For replacement of damaged valve accessories by newly supplied items for 18 inch dia delivery valve of pump unit no. 5 at mullick ghat pumping station - dismantling of electrical power connection and control connection for the actuator of valve with proper marking and tapeing the connection ends with proper insulation. also, dismantling the actuator from the valve spindle before taking up the work, de - watering of manifold water to avoid any leakage of water during opening of upper hubs s.v gate, arrangement for loosing nut & bolt of the upper hub of s.v & dismentling the same, dismantling, lifting of upper hub of the s.v from the valve top by chain pully arrangement, lifting, dismantling s.v gate with arrangement of flange fixing to stop leakage of water, cleaning of upper hub of sv including sv gate slot., supply & delivery of one gm spindle matching with the existing box nut made of gm for 18 inch dia sluice gate valve of 0.625mgh pump. the spindle to be manufactured by proper machining turning thread cutting, polishing etc., supply & delivery of one gm box nut matching with the existing spindle for 18 inch dia sluice gate valve of 0.625mgh pump. the box nut to be manufactured by proper machining turning thread cutting, polishing etc., manufacturing, supply & delivery of one c.i. gate fitted with g.m. rings (having cu-85%, zn-4 to 6%, pb-4 to 6%, sn-4 to 6%) with set screw etc. (as per sample supplied departmentally) but without spindle & nut for 18" dia. sluice valve, to & fro transportation of c.i. gate and allied accessories from pump house work site to contractors workshop and vice versa including loading and unloading with proper care as per direction of e.i.c. (upto 10 k.m.), fitting fixing of s.v gate with spindle, fitting fixing of upper hub of s.v after necessary cleaning, new nut & bolts washer 4"x1"dia, reconnection (same and reverse as dismantling) electrical power & control connection for the actuator of valve & also refitted the actuator on the valve spindle, supplying, fitting & fixing of cast iron pedestal stool of suitable size, conforming of i.s. 210 of latest revision and as per approved drawing & direction of engineer in charge. the cost includes cost of materials, man power employed for dismantling and fitting fixing, civil works consumables like cutting tools, anchor bolt of required size, hire charges of machineries like lathe/ shaping machine, grinding machine, drilling machine, tools & tackles etc. including carriage loading & unloading.
Tender For supply delivery of some spare parts required for regular repairing overhauling of chlorine machines in khanakul i and ii block at different w/s scheme dist hooghly under electrical division phe dte - supply & delivery of following materials (total pump house- 102 nos). from 01/09/2025 to 31/07/2026., 15 mm dia flexible pvc pipe for supply chlorine solution.(approved make), 15mm dia upvc pipe made to astm d-1785, schedule 40(light) duty [make: suprem/oriplast / ashirvad/any approved], g.i. short piece of tata make (above 50mm & upto 150 mm ong), 15 mm dia gi elbow, 15 mm dia tail piece, 15 mm dia powder coated metal clamp, 15 mm dia fabt (upvc), 15 mm dia union (g.i.), 15 mm dia tee (upvc), 15 mm dia long screw (g.i.), 15 mm dia iron jam nut (g.i.), 15 mm dia nrv (approved make), coupling rubber, diaphragm, pinion, bearing (skf), oil ring (approved make), oil chamber nut (approved make), ball set (approved make), 15 mm dia pvc ball valve, mobil mak gold (make - castrol), 15 mm upvc tank nipple (make- ashirbad/ supreme/approved make), 100 ltr. capacity pvc tank for chlorine solution (make: sintex/patton), 16 amp triple pole main switch, 415v ac, 50hz with neutral link. [make: havells/siemens/standard], direct online starter, 415v, 50hz, 3ph, relay range (1-1.6 amp).[make: l&t (model-mk1) / siemens ], eceentric strap, eceentric, 1.5 sq. mm flexible copper wire fr pvc insulated 1.1 kv grade, is 694 [make- finolex / havells/equivelent], labour charges for dismatling and refitting after repairing the chlorine machine set from existing position including fitting fixing the above [sl.no.- 1(a to ab)] by dismantling the old one including supplying necessary materials as required including testing commissioning all complete as per direction of eic. for the 102 nos. sites of hooghly., carrying of burnt out 0.5 hp chlorine motor form w/s scheme to nearest work shop for repairing., rewinding of 0.5 hp chlorine motor with suitable size copper wire including heat varnish and all complete as per direction., carrying of repaired 0.5 hp chlorine motor form work shop to following w/s scheme, p.h., add: 18% gst, add: 1% cess
Tender For supply delivery of some spare parts required for regular repairing overhauling of chlorine machines in arambag goghat i and ii haripal sankrail blocks at different w/s scheme dist hooghly and howrah under electrical division phe dte - supply & delivery of following materials ( total pump house-102 nos). from 01/09/2025 to 28/02/2026., 15 mm dia flexible pvc pipe for supply chlorine solution. (approved make), 15mm dia upvc pipe made to astm - d - 1785, schedule 40 (light) duty [make : suprem/oriplast / ashirvad/any approved], g.i. short piece of tata make (above 50mm & upto150 mm long), 15 mm dia gi elbow, 15 mm dia tail piece, 15 mm dia powder coated metal clamp, 15 mm dia fabt (upvc), 15 mm dia union (g.i.), 15 mm dia tee (upvc), 15 mm dia long screw (g.i.), 15 mm dia iron jam nut (g.i.), 15 mm dia nrv (approved make), coupling rubber, diaphragm, pinion, bearing (skf), oil ring (approved make), oil chamber nut (approved make), ball set (approved make), 15 mm dia pvc ball valve, mobil mak gold (make - castrol), 15 mm upvc tank nipple (make- ashirbad/ supreme/ approved make), 100 ltr. capacity pvc tank for chlorine solution (make : sintex / patton), 16 amp triple pole main switch, 415v ac, 50hz with neutral link. [ make: havells/ siemens/standard ], direct online starter, 415v, 50hz, 3ph, relay range (1-1.6 amp). [ make: l&t (model-mk1) / siemens ], eceentric strap, eceentric, 1.5 sq. mm flexible copper wire fr pvc insulated 1.1 kv grade, is 694 [make- finolex / havells / equivelent], labour charges for dismatling and refitting after repairing the chlorine machine set from existing position including fitting fixing the above [sl.no.- 1(a to ab)] by dismantling the old one including supplying necessary materials as required including testing commissioning all complete as per direction of eic. for the 102 nos. sites of hooghly., carrying of burnt out 0.5 hp chlorine motor form w/s scheme to nearest work shop for repairing., rewinding of 0.5 hp chlorine motor with suitable size copper wire including heat varnish and all complete as per direction., carrying of repaired 0.5 hp chlorine motor form work shop to following w/s scheme, p.h., add: 18% gst, add: 1% cess