REPAIR AND MAINT OF EXTERNAL WATER SUPPLY AND CONNECTED WORKS AT AERIAL BAY,DURGAPUR, SHIPUR ,LAXMIPUR AND MAYABUNDER UNDER GE(S) DIGLIPUR

Excavation in trenches not exceeding 1.5m wide and not exceeding 1.5m deep and getting it out in soft/loose soil including forming bottom surface to required level for laying pipe/cables all as specified.

Returning, filling in excavated soil including, spreading, levelling, watering, well ramming in layers not exceeding 25cm all as specified.

Removing the surplus excavated soil to a distance not exceeding 50m and depositing where directed at a level not exceeeding 1.5 m above starting point all as directed.

Taking up or down steel tubing and connections of size 25 to 32mm bore dia including cleaning, refixing in new or old position, cutting for alterations or additions all as specified and as directed.

Taking up or down steel tubing and connections of size 40 to 50mm bore dia including cleaning, refixing in new or old position, cutting for alterations or additions all as specified and as directed.

Supply and fix medium grade GI tubing 20mm bore dia with all fittings like bend, elbow, socket, union etc fixed to wall/ceiling or laid in trenches including taking out existing old unserviceable pipe all as specified & directed. Note : Necessary earth work measured and paid separately.

-ditto all as per item No 6 above but of size 25mm dia bore

-ditto all as per item No 6 above but of size 40mm dia bore

-ditto all as per item No 6 above but of size 50mm dia bore

-ditto all as per item No 6 above but of size 80mm dia bore

-ditto all as per item No 6 above but of size 100mm dia bore

Supply and Fix in repairs Gun metal globe or gate valves 20mm dia bore, with iron wheel head, screwed both ends for iron pipe including taking down old u/s globe valve or gate valve all as specified & directed :-

-ditto all as per item No 12 above but of size 25mm dia bore

-ditto all as per item No.12 above but of size 40mm dia bore

-ditto all as per item No 12 above but of size 50mm dia bore

Supply and fixing in replace non return valve 50mm dia complete including Y type strainer flanged end with stainless steel mesh and removing of old unserviceable valve all as specified and as directed

Supply and fixing in replace of cast iorn sluice valve 80 mm dia ISI marked PN 1.6 both end flanged complete with iron wheel head and brass spindle including flange joints nuts bolts washers and 3 mm rubber gasket etc complete all as specified and directed

All as per item No.17 above but size 100 mm dia

Supply and fixing in repairs ball brass valves 20mm dia, high pressure, with polythene float and fly nut complete, screwed for iron pipe or brass ferrule and fixed including taking down existing old one all as specified & directed.

-ditto all as per item No 19 above but of size 25mm dia bore

M & L for making connections of PP-R distribution branch with PP-R main in outer dia 16 to 40mm bore by providing & fixing tee incl cutting and making fusion joint etc.

Supply and fixing 3 layer PP-R (polypropylene random) copolymer connected pipes 20mm outer dia SDR 7.4 (PN16) UV stabilized and antimicrobial fusion welded having thermal stability for hot & cold water supply inclduing all PP-R plain & brass threaded polypropylene random fittings fixed complete to walls, ceiling or in floors.

-ditto all as per item No 22 above but of size 25mm dia bore

S & F PP-R ball valves (brass insert) of size 25mm bore outer dia

S & F for PP-R gate valves (brass insert) of size 25mm bore outer dia

Suppling and Laying of CPVC Pipes SDR 11 & plain CPVC SDR 11 fittings in trenchs of 25mm outer dia complete all as specified

Suppling and Laying of CPVC Pipes SDR 11 & plain CPVC SDR 11 fittings in trenchs of 40mm outer dia complete all as specified

Suppling and Laying of CPVC Pipes SDR 11 & plain CPVC SDR 11 fittings in trenchs of 50mm outer dia complete all as specified

M&L for cleaning and removing all scale and dirt etc, from tanks and from mouths of circulating pipes of 500 ltrs capacity PVC water tanks and complete all as specified and as directed.

-ditto all as per item No 28 above but of size 1000 ltrs capacity

-ditto all as per item No 28 above but of size 2000 ltrs capacity

Cleaning of semi under ground water storage sump of cap n. exc 20000 ltrs by removing mud, silt, cutting of grass and roots and pumping out waste water, scrpping with wire brush, spreading bleaching powder, drying of tank and refilling fresh water including repairs to the opening door and outside painting with existing colour complete all as directed.

Taking down existing water supply pumping set centrifugal/monoblock 25/18/15 /10 HP of any make or model by dismantling from existing connections and servicing, cleaning, greasing, minor repairing including replacement of bearings, shaft, motor capacitors, rusted bolt-nuts-washers and re-assembling after testing all as directed.

-ditto all as per item No 33 above but 1/3/5 HP capacity

Taking out and lifting of existing submersible pump set of any cap for carrying out repair, rewinding motor with submercible cable from the bore well of depth upto 50 to 100 m and transporting to work shop, replacement of defective parts, opening, cleaning, oiling, greasing and reinstallation including testing, comissioning complete all as directed.

Rewinding of IC Engine driven pump set 18 HP complete with supper enamelled heat resistant copper winding wire of same gauge nos of turn and weight of winding wire after cutting of worn out windings, preparing of winding slots, varnishing, heating and greasing etc including necessary lath work replacement of bambo strip,cotton taper,lather paper etc if required for rotar shaft and testing complete.

Rewinding and repair of centrifugal monoblock pumpset Motor 25 HP complete with supper enamelled heat resistant copper winding wire of same gauge nos of turn and weight of winding wire after cutting of worn out windings, preparing of winding slots, varnishing, heating and greasing etc including necessary lath work replacement of bambo strip,cotton taper,lather paper etc if required for rotar shaft and testing complete.

-ditto all as per item No 37 above but 15 HP capacity

-ditto all as per item No 37 above but 10 HP capacity

-ditto all as per item No 37 above but 1/3/5 HP capacity

S & F Three phase fully automatic DOL Starter suitable for 25 HP centrifugal pump set.

S & F Three phase fully automatic DOL Starter suitable for 18/20 HP centrifugal pump set

S & F Three phase fully automatic DOL Starter suitable for 15 HP centrifugal pump set

S & F Three phase fully automatic DOL Starter suitable for 10 HP centrifugal pump set

S & F Three phase fully automatic DOL Starter suitable for 3/5 HP submersible pump set

S & F Three phase fully automatic DOL Starter suitable upto 5 HP submersible pump set

Cleaning of semi under ground water storage sump of cap n. exc 30000 ltrs by removing mud, silt, cutting of grass and roots and pumping out waste water, scrpping with wire brush, spreading bleaching powder, drying of tank and refilling fresh water including repairs to the opening door and outside painting with existing colour complete all as directed.

Cleaning of semi under ground water storage sump of cap n. exc 50000 ltrs by removing mud, silt, cutting of grass and roots and pumping out waste water, scrpping with wire brush, spreading bleaching powder, drying of tank and refilling fresh water including repairs to the opening door and outside painting with existing colour complete all as directed.

Cleaning of Over Haed tank of cap n. exc 50000 ltrs by removing mud, silt, cutting of grass and roots and pumping out waste water, scrpping with wire brush, spreading bleaching powder, drying of tank and refilling fresh water including repairs to the opening door and outside painting with existing colour complete all as directed.

Construction of masonry valve chamber, 100 mm thick foundation using PCC 1:4:8, type D-2, over 15cm thick hard core, 20cm thick solid block masonry with blocks cast using PCC 1:3:6, type C-1, set in cement mortar 1:4, 15MM thick plaster to internal surfaces and external surfaces up to 15cm below ground level and top of floor in cement and sand mortar 1:4, finished even and smooth with out using extra cement , 3.15mm thick MS sheet cover including 50mmX50mmX6mm thick MS angle frame fixed in PCC 1:2:4, type B1 coping with 25mmX6mm flat iron hold fasts, handle, hinges with locking arrangements, applying one coat of red oxide primer and two coats of synthetic enamel paint to all steel surfaces and earth work in any type of soil including disposal of surplus soil to a distance not exceeding 50M complete all as specified and shown on drawing for internal size: 600 x600x600mm

Supply and laying PVC insulated PVC sheathed industrial cable for submersible pump motors flat three core 4 sqmm 1100 volts confirming to IS 694 incl removing old unserviceable damaged cable all as specified and as directed

Supply and laying PVC insulated PVC sheathed industrial cable for submersible pump motors flat three core 6 sqmm 1100 volts confirming to IS 694 incl removing old unserviceable damaged cable all as specified and as directed

Supply and lay XLPE Insulated armoured heavy duty electrical cable with aluminium conductor, 1100 volts grade of size 10 sqmm 4 core all as specified and as directed. Note : Earthwork and other connected items like DWC/GI Pipe measured and paid separately

Supply and laying of DWC pipe, ISI marked of outer dia 50mm and inner dia 38mm with smooth internal and profiled external surface for non pressure under ground cable including all connected accessories like coupler,'O' Ring etc, for protection of cable complete all as specified and as directed.

Material and labour for repairing of leakage of GI tube size from 80 mm bore dia at any location and any position by cutting /threading /jointing and including earth work, GI fittings such as tee /socket/ elbow/reducer /nipple or as site requirement complete all as specified and directed.

Material and labour for repairing of leakage of GI tube size from 32 mm bore to 50 mm bore dia at any location and any position by cutting /threading /jointing and including earth work, GI fittings such as tee /socket/ elbow/reducer /nipple or as site requirement complete all as specified and directed.

Material and labour for repairing of leakage of GI tube size from 20 mm bore to 25 mm bore dia at any location and any position by cutting /threading /jointing and including earth work etc, GI fittings such as tee /socket/ elbow/reducer /nipple or as site requirement complete all as specified and directed.

Taking up or down old CI/DI tubing of 80 mm bore dia and connections including cleaning for refixng (serviceable) or removal to store complete all as specified and directed. Note : Excavation and earthwork measured and paid separately.

Taking up or down old GI/DI/PPR tubing of 40 mm bore dia and connections including cleaning for refixng (serviceable) or removal to store complete all as specified and directed. Note :- Excavation and earthwork measured and paid separately.

All as per ser item No.55 (here-in- before) above but bore of Pipe 25 mm dia pipe complete all as specified and directed

Supply & fixing in replace foot valve flanged of size 50 mm including removing the existing unserviceable foot valve all as specified & as directed.

Refixing old steel tubing and connections in new or old position (Walls, ceiling, floors, etc.) of size 25 mm dia bore complete all as specified and directed

Refixing old steel tubing and connections in new or old position (Walls, ceiling, floors, etc.) of size 40 mm dia bore complete all as specified and directed

Material & Labour for laying DI pipe with spigot and socketed ends, class K-9 in any length all as per IS 8329/2000 with blue epoxy coated with suitable rubber tyton joint complete for 80mm dia pipe complete all as specified and directed.

Supply & fix 3- layer PP-R (Polypropylene random copolymer) of 40mm bore concealed pipes SDR 7.4 (PN16) UV stabilized and antimicrobial fusion welded having thermal stability for hot & cold water supply all PP-R plain & brass threaded polypropylene random fittings laid in trenches complete all as specified and directed.

S&F for 40 mm bore dia. medium grade GI tubing with all fittings like bend, elbow etc fixed to wall/ ceiling or laid in ground all as specified and directed.

Supply & fixed in repairs PP-R Gate valves 25mm bore dia (brass insert) of following size outer dia of pipe all as specified and directed:-

Supply & fixed in repairs PP-R Gate valves 40mm bore dia (brass insert) of following size outer dia of pipe all as specified and directed:-

Material & labour for repairing of 80 mm dia sluice valve by opening for rectifying leakage, refacing, regrinding, replacement of galand packing, gasket, nut, bolt, washer, wheel and refixing in its original position after testing comeplete all as specified and directed.

Supply & fix in repair PP-R Ball valves (brass insert) of 25mm outer dia of pipes as per requirement of the site all as specified and directed.

Supply & fixing Brass Float valve 25 mm for pipe fitting with synthetic rubber washer suppied with brass rod, full flow design ISI mark complete all as specified and directed.

M&L for cleaning of over head water storage tank capacity not exceeding 25,000 ltrs by removing mud, silt, cutting of grass, roots and pumping out waste water, scrapping with wire brush, spreading bleaching powder, drying of tank and refilling fresh water including repairs to the opening door complete all as directed.

M&L for cleaning of semi underground water storage sump of capacity not exceeding 20,000 ltrs by removing mud, silt, cutting of grass, roots and pumping out waste water, scrapping with wire brush, spreading bleaching powder, drying of tank and refilling fresh water including repairs to the opening door and outside painting to semi UG sump as per existing colour scheme complete all as directed.

Taking down defective centrifugal pump set 7.5 HP by disconnecting the pump from motor after unscrewing nuts/ bolts of coupling, foundation, suction pipe delivery pipes and shifting of pump to workshop for repair/ servicing, comprising strip opening of pump, replacement of any defective parts, carrying out necessary lathe work, re-assembling and shifting from workshop to site, re-installation at location as directed by Engr-in-Charge, testing on full load capacity at least for 8 hrs, complete all as specified and as directed. (Supply of spare parts shall be measured and paid for separately under respective items here-in-after). Note :- (a) The spares shall be measured and paid seperately in the relevent items given below. (b) Cost of labour for replacement of spares and transportation are deemed to be incl in the quoted rate. (c) The pumpset shall be spared for one week for repair from the date of complaint given by AGE/ JE E/M regarding breakdown. The Contractor is responsible for making alternate arrangement of pump set in case of time required more than one week. (d) In case services affected due to delay in repair of pump set, a penalty of Rs 500 per day will be levied from the contractor. (e) Please note that this penalty is exclusively other than the condition 56 of IAFW-2249 and shall be treated as interim condition of the contract. (f) The decision of the Accepting Officer in this regard shall be final and binding.

Supply only Ball bearing suitable for 7.5 HP motor pump as per manufacturer's design complete all as specified and as directed.

Supply only coupling bolt with nuts suitable for 7.5 HP motor pump as per manufacturer's design complete all as specified and as directed.

Supply only coupling Rubber Bush suitable for 7.5 HP motor pump as per manufacturer's design complete all as specified and as directed.

Supply only split casing gaskets suitable for 7.5 HP motor pump as per manufacturer's design complete all as specified and as directed.

Supply only shaft sleeves suitable for 7.5 HP motor pump as per manufacturer's design complete all as specified and as directed.

Supply only Air cock grease nipple suitable for 7.5 HP motor pump as per manufacturer's design complete all as specified and as directed.

Remetaling of existing shaft, turning, grinding as per the required size and polishing including provision of neck rings of impellers suitable for 7.5 HP motor pump as per manufacturer's design complete all as specified and as directed.

Supply only water seal suitable for 7.5 HP motor pump as per manufacturer's design complete all as specified and as directed.

S&F for brass foot valve of size 50 mm including removing the existing unserviceable foot valve all as specified and as directed.

S&F for three phase fully automatic DOL starter suitable for 7.5 HP centrifugal pump set all as specified and as directed.

Cutting through existing bituminous road /PCC/floor/approx size width 20cm X 30cm depth along cross section of the road for laying of GI tubing/RCC pipe and repairing the road to match with the original finish complete all as specified.

M&L for maintenance of 5 HP pump set diesel driven 10 HP engine for maintenance checking up of engine and pump for trouble free functioning and attending break downs/ complaints as and when required for smooth functioning, servicing, Oil Changing all as directed. The maintenance includes the following works:- Note :-(a) Taking out & removing unserviceable/defective parts/spares, cleaning, servicing, oiling and greasing of necessary parts, refixing the serviceable parts in position after servicing, replacement of unserviceable parts including draining-out of existing engine oil and filling new engine oil of same grade and filters, refixing of all accessories, making functional and testing on full load complete all as directed (b) The Item rate quoted includes of fixing the serviceable parts in position and replacement of unserviceable parts with new part. The new replaced parts shall be measured and paid separately under respective items of Sch "A" as supply only, but the quoted rates are inclusive of replacement of small/minor parts such as nuts, bolts, washers, locking nuts small springs, "O" rings, screws/ gaskets/ packing/studs etc. (c) Engine oil shall be drained out carefully, collected by the contractor in his own suitable containers and stored properly (d) Fresh engine oil shall be measured and paid separetely under respective item of Sch "A". However the cost of filling is deemed to be included under the rates quoted by the contractor (e) All servicing of fire pump shall be done by the reputed staff of OEM. (f) attend the emergency breakedown/unserviceablity with in 24 hrs without any extracost all as directed

Supply only fuel filter element spin one type suitable for diesel engine pumpset 5 HP all as directed

Supply only oil filter element suitable for diesel engine pumpset 5 HP all as directed

Supply only Engine Oil for diesel driven pumpset 5 HP pump set as per manufacturers recommendation complete as as specified and directed by Engr-in-Charge

Supply and fix in replacement lead acid battery 12 volt 100 AH heavey duty suitable for 5 hp pump set complete all as specified and directed.

M&L PCC 1:2:4, type B1 (using 20 mm graded crushed granite stone aggregate) as in coping complete all as specified and directed.

Disconnecting and taking down the existing burnt out LT UG cable along with DWC pipe from tranches of size 25 Sqmm 3.5 core completed all as specified and directed.

Supply, lay and testing XLPE insulated, armourd heavy duty electrical cable with aluminium conductor, 1100 Volts grade, of size 25 Sqmm 3.5 core area complete all as specified.

Supply and laying DWC (Double Wall Corrugated) HDPE pipe, ISI marked IS 14390 Part-II, of outer dia 50mm and inner dia 38mm with smooth internal and profiled external surface for non pressure underground cable including all connected accessories like coupler, 'O' Ring etc, for protection of cable complete all as specified and as directed.

S&F cable jointing kit for 1.1 KV grade cable for straight through joint complete with jointing material heat shrink type and accessories suitable for 3.5 core/ 4 core XLPE, armoured aluminium conductor cable of size 16 to 35 Sqmm, indoor/ outdoor type all as specified and as directed.

M&L for earthing complete with galvanised steel earth plate electrode 60cm x 60cm x 6mm thick buried directly in ground (each pit not less than 2.25 mtr below ground level) with Top edge of earth plate not less than 1.5 mtr below normal ground level, including provision of galvanised earth strip 25x4 mm connected by means of bolts, nuts, check nuts and washers of galvanised iron steel, provision of 40mm dia GI pipes medium grade for earth wire protection connected from earth plate electrode to main switch board, provision of 15 mm dia GI pipe perforated medium grade for watering arrangement and PCC 1:3:6 type C1 chamber, MS funnel, wire mesh, 50 mm thick RCC 1:2:4 type B1 for earth pit. Cover with 6 No's 8 mm dia high strength deformed steel TMT bars on both ways, including test terminal block made of gun metal or phosphorous bronze 75x75x25 mm and drilled and screwed including 3 nos 8 mm dia, 25 mm long at hex head screw also necessary excavation in any type of soil, returning, filling in, removal of surplus soil to a distance not exceeding 50 mtr, provision of char coal and salt complete all as shown in electrical plate No. 3 of schedule Part-I 2009 all as specified, directed and Testing on completion, including taking down old unserviceable earthing complete.