REPAIR MAINT OF PUMPING INSTALLATIONS, VALVES AND CONTROL PANELS AT JALAPAHAR AND LEBONG UNDER AGE I DARJEELING

Amount

Taking down/out defective / unserviceable centrifugal multistage Pump set of capacity 75HP/50HP from base frame by unscrewing nuts and bolts, disconnecting all electric connections and pipe lines etc.,shifting pump and motor outside building carefully transporting to Siliguri workshop for necessary repair/overhauling work and transporting back to pump house including reinstallation and testing after connecting all electrical and pipe lines complete all as specified and directed.

Dismantling of defective / unserviceable 75HP pump set, segregating serviceable and unserviceable parts, cleaning/washing of serviceable parts, checking functional accuracy, clearance, wear & tear using different measuring equipments and by approved method, replacement of unserviceable parts, reassembling the pump set including painting of pump, motor and base frame with synthetic enamel paint complete all as specified and directed. Note : (i) Costing of necessary nuts, bolts, washers, gaskets, lubricating materials and other consumable materials are included in the quoted rate. (ii) Spare parts as required required to be replaced will be measured and paid under relevant item here-in-after.

Supply only impeller for multi stage centrifugal pump set of make Kirloskar of capacity Pump for 75 HP complete all as specified and as directed.

Supply only Shaft for Kirloskar Pump for 75 HP centrifugal pump set complete all as specified and as directed.

Supply only Gun Metal bush for impeller 75HP Centrifugal Pump Set complete all as specified and as directed.

Supply DE bearing No NU308 part No 24000 suitable for 75HP complete all as specified and as directed.

Supply only NDE bearing No 7308 part No 24001 suitable for pump 75HP of Make Kirloskar complete all as specified and as directed.

Supply only Roller bearing DE bearing No 26400 suitable for pump 75HP of Make Kirloskar complete all as specified and as directed.

Supply only stage casing bush part No 12400 suitable for pump 75HP of Make Kirloskar Pump complete all as specified and as directed.

Supply only shaft sleeve suction side/delivery side part No 31000 suitable for pump 75HP of Make Kirloskar complete all as specified and as directed.

Supply only oil seal (DE & NDE) part No 50000 suitable for pump 75HP of Make Kirloskar complete all as specified and as directed.

Supply only 'O' ring for shaft sleeve part No 52200 suitable for pump 75HP of Make Kirloskar complete all as specified and as directed.

S&F tyre coupling assembling all as specified and directed.

Supply & Fixing , jointing and testing of cast iron sluice Valve ISI mark (PN-1.6) of size 80 mm bore confirming to IS 14846-2000, flanged ends drilled having stainless steel / brass spindle with cast iron wheel at top complete with nuts, bolts, washers and gaskets including taking out old unserviceable sluice valves, complete all as specified and as directed.

Supply & Fixing , jointing and testing of cast iron Non Return Valve (NRV) ISI mark (PN-1.6) of size 80 mm bore, without bypass arrangement, swing type, conforming to IS-5312, complete with nuts, bolts, washers and gaskets including taking out old unserviceable NRV, complete all as specified and as directed.

Taking down/out 75HP pump set from base frame by unscrewing nuts, bolts, all electric and water connections keeping pump set in safe custody, demolition of existing PCC foundation, removing demolished PCC material, cleaning and material & labour for making new PCC foundation using M-20 (1:1.5:3) with 40mm graded stone aggregate,fixing of new foundation bolts using template of the base frame. After proper curing of the PCC foundation reinstallation of base frame and pump set, aligning, necessary electric and water connection complete all as specified and directed.

Servicing and maintaining pumping installation by, tightening the gland of pump replacing rubber coupling bushes at Jhora Pump house- 3 Nos pump sets of Capacity 75 HP complete all as specified and as directed.

Servicing and maintaining pumping installation by tightening the gland of pump replacing rubber coupling bushes complete at Aloobari Pump house- 02 Nos Pump sets of capacity 75HP complete all as specified and as directed.

Dismantling of 50HP/75 HP Motor and heat varnishing motor winding and after reassembling motor including testing complete all as specified and as directed.

Supply only gland packing for pump complete all as specified and as directed.

Supply only grease for pump complete all as specified and as directed.

S & F in repairs pressure gauge 100 mm size jelly filled, with suitable cock and raiser pipe with fitted to delivery side of pump set complete all as specified and as directed

Dismantaling the rolling shutter for servicing & greezing, complate and refixing in the position complete all as specified and directed.

Supply only Calcium based granular disinfectant for water treatment, more stable than Chlorine Gas and Stronger than bleaching powder and Calcium Hypochlorite. Packing in 45 Kgs in plastic Drums complete all as specified and directed. Make Rayalseema, Brand Pure chlore/ Declibac Technolgies or approved make conforming to Indian Standard.

Repair/ Maint of Liquid Chlorine Dosing pump set of any capacity and any description installed at Pump house after necessary disconnecting inlet and outlet connections, cleaning chlorine sludges, removing all unserviceable/ defective accessories/ spare parts and S&F new spare parts suitable for the existing pump set as required at site, complete all as specified and as directed. Note:- New spare parts will be measured and paid separately under relevent Item here-in-after as supply only.

Supply Only Solinoid Coil with Body suitable for Liquid Chlorine Dosing Pump Set

Supply Only Stroke Knob suitable for Liquid Chlorine Dosing Pump Set

Supply Only Injection Check Valve suitable for Liquid Chlorine Dosing Pump Set

Supply Only Diaphragm suitable for Liquid Chlorine Dosing Pump Set

Supply Only Foot Valve Assembly suitable for Liquid Chlorine Dosing Pump Set

Supply Only Head (PP) suitable for Liquid Chlorine Dosing Pump Set

Supply Only Ring Seal (Teflon) suitable for Liquid Chlorine Dosing Pump Set

Supply only Pulsar Circuit suitable for Liquid Chlorine Dosing Pump Set

Supply only LDPE Pipe suitable for Liquid Chlorine Dosing Pump Set

Material and Labour for earthing complete with galvanized steel earth plate electrode 600 x 600 x 6 mm thick buried directly in ground ( earth pit not less than 2.25 meter deep below ground level) with top edge of plate not less than 1.5 meter below normal ground level, connected to GI strip 32x6 as earthing lead by means of bolts, nuts, check nuts and washers of galvanized iron or steel all as shown in electrical plate No 3 of SSR Pt I including necessary excavation and earth work PCC (1:3:6) type C-1 with 50 mm thick pre cast RCC ( 1:2:4) type B-1 cover slab (reinforced with 8 mm dia deformed bar @ 15 cm C/C both ways and suitable handle of 10 mm dia round bar) including providing charcoal or coke and common salt in alternate layers of 15 cm compacted thickness all around the earth electrode, with funnel and 20 mm bore galvanized iron watering pipe (medium grade) wire mesh, lugs, complete in all respect, GI earth strip protected by 40 mm bore (light grade) galvanized iron pipe and other end connected with main switch board or earthing test point as directed including proper lugs, including disposal of soil to a distance not exceeding 50 mtr and necessary testing on completion complete all as specified and as directed.

M/S TSHERING BHUTIA

M/S S. S CHETTRI AND SONS

MOURICE CONSTRUCTION COMPANY

HIRA SINGH

Darjeeling Enterprises

GEETA CONSTRUCTION

BIMAL BHATTRAI