GE I R AND D/CHD-74/2025-26 REPAIR AND MAINT TO EXTERNAL WATER SUPPLY PUMPING/ DISTRIBUTION SYSTEM ALONGWITH ALLIED WORKS AT TBRL RANGE RAMGARH

Amount

Excavation in trenches in soft / loose soil n.exc 1.5 m wide n.exc 1.5 m deep getting out soil complete all as specified and directed.

Returning filling in including spreading levelling well ramming in layers n.exc 25 cm thick in layers complete all as specified and directed.

Removing excavated material (soil) n.exc 50 m and depositing where directed at a level n.exc 1.5 m above the starting point complete all as specified and directed.

Horizontal boring under the road below 2 m from the road surface and dia of hole n.exc 200 mm, without damaging the existing road, getting out and disposal of soil to a distance not exceeding 50 m from the site of work complete all as specified and directed

Material and labour for road cutting laying of pipe not exceeding 90 cm below ground level not exceeding 1 m complete all as specified and directed.

Material and labour for cement concrete type C2 1:3:6 (40 mm graded aggregate) for making good to disturbed surface of road etc complete all as specified and directed.

Cutting and taking up or down steel tubing and connections, including cleaning for refixing or removal to store of bore of pipe 25 mm size complete all as specified and directed.

All as per serial item no 7 above but bore of pipe 40 mm -ditto-.

All as per serial item no 7 above but bore of pipe 50 mm -ditto-.

All as per serial item no 7 above but bore of pipe 80 mm -ditto-.

All as per serial item no 7 above but bore of pipe 100 mm -ditto-.

Supply and fixing in repair galvanised tube medium grade, with all fitting and fixed complete to walls and ceilings or laid in trenches/floors , bore of pipe 15 mm complete all as per specified and directed.

All as per serial item no 12 above but bore of pipe 20 mm -ditto-.

All as per serial item no 12 above but bore of pipe 25 mm -ditto-

All as per serial item no 12 above but bore of pipe 40 mm -ditto-.

All as per serial item no 12 above but bore of pipe 50 mm -ditto-.

All as per serial item no 12 above but bore of pipe 80 mm -ditto-.

All as per serial item no 12 above but bore of pipe 100 mm -ditto-.

Supply and fixing for gun metal gate / globe valve with iron wheel head, screwed both ends suitable for fixing with pipe of outer dia 50 mm and taking down old unserviceable valves complete all as specified and directed.

All as per serial item no 19 above but for 40 mm dia -ditto-

All as per serial item no 19 above but for 25 mm dia -ditto-

All as per serial item no 19 above but for 20 mm dia -ditto-

All as per serial item no 19 above but for 15 mm dia -ditto-

Taking up CI/DI 80 mm water mains (including all fittings) , with spigot and socket ends and lead joints including burning out joints and recovering lead complete all as specified and directed.

Taking up CI/DI 100 mm water mains (including all fittings) , with spigot and socket ends and lead joints including burning out joints and recovering lead complete all as specified and directed.

Taking up CI/DI 150 mm water mains (including all fittings) , with spigot and socket ends and lead joints including burning out joints and recovering lead complete all as specified and directed.

Relaying only old existing CI/DI pipe line of size 80 mm bore obtained from above item complete all as specified and directed.

Relaying only old existing CI/DI pipe line of size 100 mm bore obtained from above item complete all as specified and directed.

Relaying only old existing CI/DI pipe line of size 150 mm bore obtained from above item complete all as specified and directed.

Material and labour for 80 mm bore, ductile iron pipe (K-9), socket and spigot end as per IS:8329/2000 with internal cement mortar lining and external bitumen coating for potable water supply with rubber ring joints including cost of rubber rings as per IS:5382 (1985), giving satisfactory hydraulic field testing and commissioning as per IS - 12288-1987 complete all as specified and directed. Note : Excavation and earth work shall be measured and paid for separately under respective items in this schedule.

Material and labour for 100 mm bore, ductile iron pipe (K-9), socket and spigot end as per IS:8329/2000 with internal cement mortar lining and external bitumen coating for potable water supply with rubber ring joints including cost of rubber rings as per IS:5382 (1985), giving satisfactory hydraulic field testing and commissioning as per IS - 12288-1987 complete all as specified and directed. Note : Excavation and earth work shall be measured and paid for separately under respective items in this schedule.

Material and labour for 150 mm bore, ductile iron pipe (K-9), socket and spigot end as per IS:8329/2000 with internal cement mortar lining and external bitumen coating for potable water supply with rubber ring joints including cost of rubber rings as per IS:5382 (1985), giving satisfactory hydraulic field testing and commissioning as per IS - 12288-1987 complete all as specified and directed. Note : Excavation and earth work shall be measured and paid for separately under respective items in this schedule.

Material and labour for DI fitting for bends (any type, radius and angle) tapers any type, (straight, bend, increasing, decreasing or double socket etc.) tee pieces single branch. "Y" junction, double branch, cross (flange sockets or socket and spigot) collars, caps and plugs size up to 200 mm bore complete all as specified and directed Note : Excavation required up to 1.5 m of depth, 1.0 m length and upto 1.0 m width shall be included in quoted rate.

Supply and fixing for 80 mm dia sluice valve flanged and of class 1.6 PN including necessary new gasket, nut and bolts, washers etc after taking out old unserviceable complete all as specified and directed.

Supply and fixing for 100 mm dia sluice valve flanged and of class 1.6 PN including necessary new gasket, nut and bolts, washers etc after taking out old unserviceable complete all as specified and directed.

Supply and fixing for 150 mm dia sluice valve flanged and of class 1.6 PN including necessary new gasket, nut and bolts, washers etc after taking out old unserviceable complete all as specified and directed.

Material and labour for replacement of cast iron air release valve with flanged end and jointing materials such as nuts, bolts, washers etc of size 50 mm dia complete all as specified and directed

Material and labour for replacement of cast iron air release valve with flanged end and jointing materials such as nuts, bolts, washers etc of size 80 mm dia complete all as specified and directed

Material and labour for replacement of cast iron air release valve with flanged end and jointing materials such as nuts, bolts, washers etc of size 100mm dia complete all as specified and directed

Material and labour for replacement of cast iron air release valve with flanged end and jointing materials such as nuts, bolts, washers etc of size150 mm dia complete all as specified and directed

Supply and fixing for cast iron non return valve 150 mm complete all as specified and directed.

Supply and fixing for cast iron non return valve 100 mm complete all as specified and directed.

Material and labour for attending pipeline breakdown of CI pipe of 80 mm dia by making lead joint with lead and spun yarn and moulding clay including takin up/down pipe using chain pulley or rope and excavation in any type of soil including returning filling and removal of soil and testing of pipe line complete all as specified and directed. Note : (i) Earth work upto length 1.2 m ,depth 1.5 m and width 1.2 m shall be included in quoted rate. (ii) Lead , spurn yarn and any kind moulding clay shall be included in quoted rate.

All as per serial item no 43 above but for 100 mm dia pipe -ditto-.

All as per serial item no 43 above but for 150 mm dia pipe -ditto-.

Material and labour for attending pipeline breakdown of DI pipe of 80 mm dia by making rubber tyton joint with rubber seal gasket joint including takin up/down DI pipe using tripod and chain pulley or rope and excavation in any type of soil including returning filling and removal of soil and testing of pipe line complete all as specified and directed. Note : (i) Earth work upto length 1.2 m ,depth 1.5 m and width 1.2 m shall be included in quoted rate. (ii) Use of any kind rubber tyton joint shall be included in quoted rate.

All as per serial item no 46 above but for 100 mm dia pipe -ditto-.

All as per serial item no 46 above but for 150 mm dia pipe -ditto-.

Dismantling the unserviceable parts and burnt out copper winding from centrifugal pump motor of capacity 7.5 to 15 HP, 3 phase, 415V, and rewinding the motor with supper enamelled copper wire of suitable gauge including heating, varnishing, replacement of defective spare parts, re-assembling and painting the motor with two coats of supper enamelled paint and carrying out necessary tests of the repaired motor to the entire satisfaction complete all as specified and directed. Note:- (a) New spare/parts/copper winding as required for replacement of defective/ unserviceable one shall be measured and paid for separately as 'Supply only'.

Supply only copper winding wire with supper enamelled copper wire of suitable gauge as per capacity/rating of motor complete all as specified and directed.

Supply only ball bearing suitable for centrifugal pump and motor of capacity 7.5 to 15 HP, 3 phase, 415V complete all as specified and directed.

Supply only cooling fan suitable for centrifugal pump and motor of capacity 7.5 to 15 HP, 3 phase, 415V complete all as specified and directed.

Supply only fan cover suitable for centrifugal pump and motor of capacity 7.5 to 15 HP, 3 phase, 415V complete all as specified and directed

Supply only impeller suitable for centrifugal pump and motor of capacity 7.5 to 15 HP, 3 phase, 415V complete all as specified and directed

Supply only bush suitable for centrifugal pump and motor of capacity 7.5 to 15 HP, 3 phase, 415V complete all as specified and directed

Supply only shaft suitable for centrifugal pump and motor of capacity 7.5 to 15 HP, 3 phase, 415V complete all as specified and directed

Supply only coupling set suitable for centrifugal pump and motor of capacity 7.5 to 15 HP, 3 phase, 415V complete all as specified and directed.

Supply only impeller casing suitable for centrifugal pump and motor of capacity 7.5 to 15 HP, 3 phase, 415V complete all as specified and directed.

Supply, install, commissioning & testing, liquid chlorination chemical dosing pump of capacity 02USGPD to 40 USGPD at 100 psig, high pressure single head gear motored adjustable dosing pump with accessories including lead, tubing, connecting nuts, injection check valve, clay weight and ferrules complete with all accessories as per manufacturer's instructions including taking out old unserviceable pump, Make - RMCO or equivalent complete all as specified and directed. Note- Old unserviceable dosing pump shall be deposited to E/M store.

Supply, install, commissioning & testing, chlorination chemical dosing system consisting of 100 ltrs PE/FRP tank with PE FRP lid and level gauge alongwith speed reducing motor and SS-316 agitator with shaft and blade mounted on tank weight and ferrules complete with all accessories as per manufacturer's instructions including taking out old unserviceable dosing system, complete all as specified and directed. Note- Old unserviceable FRP tank shall be deposited to E/M Store

Material and labour for disconnecting all electric and water supply connections and other related items and lifting the unserviceable submersible pump and motor of capacity 7.5 HP to 40 HP, 3 phase, 415 V, 10 staging by mechanical/manual method and dismantling the column pipe line, shafts stage and keeping the same in safe custody for reuse including transportation of the defective pump set and motor from pump house to workshop for repair and back and lowering and re-installation the same on existing position after necessary repair including testing on completion complete all as specified and directed

Material and labour for dismantling the unserviceable parts and burnt out copper winding from pump and motor of capacity from 7.5 HP to 40 HP, 3 phase, 415V, 10 staging and rewinding the motor with supper enamelled copper wire of suitable gauge including heating, varnishing, replacement of defective spare parts, re-assembling and painting the motor with two coats of supper enamelled paint and carrying out necessary tests in presence at site complete all as specified and directed. Note: - (a) Spare / parts, copper winding wire shall be measured and paid for separately as supply only (b) Labour charge for fixing parts shall deemed to be included in the unit rate.

Supply only PVC insulated water proof copper conductor winding wire complete all as specified and directed.

Taking down the unserviceable parts from the pump and motor of capacity from 7.5 HP to 40 HP, 3 phase, 415 V including over hauling, servicing/cleaning thoroughly discharge/ suction cases, impellers, shaft and re-assembling pump carefully including servicing the motor by varnishing, insulating the motor winding , cleaning and painting the parts with two coats water proofing supper enamelled paint after preparation of surfaces manually including repair/replacement of unserviceable parts as required at site etc and re-assembling/re-installing the pump complete all as specified and directed. Note:- (a) Spare / parts shall be measured and paid for separately as supply only items (b) Labour charge for fixing parts shall deemed to be included in the unit rate.

Material and labour for machine work to the worn out portion of motor rotor shaft of motor from 7.5 HP to 40 HP capacity including metalling, cutting, polishing and checking the accuracy on the lath machine, complete all as specified and directed

Material and labour for machine work to the worn out portion of thrust bearing of motor from 7.5 HP to 40 HP capacity including metalling, cutting, polishing and checking the accuracy on the lath machine complete all as specified and directed

Material and labour for machine work to the worn out portion of submersible pump shaft of capacity 7.5 HP to 40 HP capacity including metalling, cutting, polishing and checking the accuracy on the lath machine complete all as specified and directed

Material and labour for machine work to the worn out portion of gun metal impeller submersible pump of capacity 7.5 HP to 40 HP capacity including metalling, cutting, polishing and checking the accuracy on the lath machine complete all as specified and directed.

Supply only thrust bearing plate for carbon TB assembly suitable for submersible motor of capacity 7.5 HP to 40 HP, 3 phase, 415V complete all as specified and directed.

Supply only bearing bush rubber for motor shaft suitable for submersible motor of capacity 7.5 HP to 40 HP, 3 phase, 415V complete all as specified and directed.

Supply only motor shaft sleeves (stainless steel) suitable for submersible motor of capacity 7.5 HP to 40 HP, 3 phase, 415V complete all as specified and directed.

Supply only thrusts bearing assembly carbon suitable for submersible motor of capacity 7.5 HP to 40 HP, 3 phase, 415V complete all as specified and directed.

Supply only gun metal bush for motor shaft suitable for submersible motor of capacity 7.5 HP to 40 HP, 3 phase, 415V complete all as specified and directed.

Supply only motor coupling key suitable for submersible motor of capacity 7.5 HP to 40 HP, 3 phase, 415V complete all as specified and directed.

Supply only motor coupling suitable for submersible motor of capacity 7.5 HP to 40 HP, 3 phase, 415V complete all as specified and directed.

Supply only pad for thrust bearing made out of carbon suitable for submersible motor of capacity 7.5 HP to 40 HP, 3 phase, 415V complete all as specified and directed.

Supply only gun metal bush for suction case suitable for submersible pump of capacity 7.5 HP to 40 HP, 3 phase, 415V complete all as specified and directed.

Supply only gun metal bush for discharge case suitable for submersible pump of capacity 7.5 HP to 40 HP, 3 phase, 415V complete all as specified and directed.

Supply only bearing sleeves stainless steel suitable for submersible pump of capacity 7.5 HP to 40 HP, 3 phase, 415V complete all as specified and directed.

Supply only gun metal impeller suitable for submersible pump of capacity 7.5 HP to 40 HP, 3 phase, 415V complete all as specified and directed.

Supply only key for impeller suitable for submersible pump of capacity 7.5 HP to 40 HP, 3 phase, 415V complete all as specified and directed.

Supply only pump shaft stainless steel suitable for submersible pump of capacity 7.5 HP to 40 HP, 3 phase, 415V complete all as specified and directed.

Cutting the worn out portion of the existing column pipe of size upto 100 mm bore and threading the same thread on the same pipe by mechanically complete all as specified and directed.

Material and labour of fabrication of column pipe m long made out of 50 mm dia medium grade GI pipe including cutting and welding MS flanges heavy duty 02 Nos drilling holes, cutting slots for cables and lowering of column pipes in bore wells including providing new rubber gaskets, bolts, nuts and washers etc complete all as specified and directed.

Material and labour of fabrication of column pipe 3 m long made out of 80 mm dia medium grade GI pipe including cutting and welding MS flanges heavy duty 02 nos drilling holes, cutting slots for cables and lowering of column pipes in bore wells including providing new rubber gaskets, bolts, nuts and washers etc complete all as specified and directed.

Material and labour of fabrication of column pipe 3 m long made out of 100 mm dia medium grade GI pipe including cutting and welding MS flanges heavy duty 02 Nos drilling holes, cutting slots for cables and lowering of column pipes in bore wells including providing new rubber gaskets, bolts, nuts and washers etc complete all as specified and directed.

Material and labour for cleaning and descaling the column pipe of 80/100mm bore by wire brush including painting the internal and external surface of column pipe with two coats of black bituminous paint over a coat of red oxide primer (suitable for drinking water) after preparation of old painted surfaces complete all as specified and directed.

Re-development of bore well by means of air compressor of capacity (not less than 600 cu. feet/minute) followed by high capacity pump to its optimum yield till clear water of potable quality free from sand and silt is obtained including draw down performance and yield test of tube well complete all as specified and directed Note ;- compressor shall be not less than 75 BHP or above capacity pumping set equipment for testing yield shall be used. Note: (i) Unit rate quoted under these items shall deemed to be including cost of necessary tools and equipment’s with fuel as required to the site of work and removing the same after completion of work.

Supply and fixing for PVC insulated, PVC sheathed, stranded copper conductor as in flat submersible water proof cable of size 06 sqmm 3 core 1100 volts grade including taking down old one complete all as specified and directed

Supply and fixing for PVC insulated, PVC sheathed, stranded copper conductor as in flat submersible water proof cable of size 10 sqmm 3 core 1100 volts grade including taking down old one complete all as specified and directed

Supply and fixing for PVC insulated, PVC sheathed, stranded copper conductor as in flat submersible water proof cable of size 16 sqmm 3 core 1100 volts grade including taking down old one complete all as specified and directed

Supply and fixing in replacement direct on-line starter in sheet steel enclosure, type with single phase preventer, suitable for submersible pump motor of capacity 10 HP, 415V, 50 Hz, 3 phase, relay range 20 - 32 amps complete all as specified and directed. Make: L&T Cat No MU-G10H DOL (Heavy Duty) or equivalent make of C & S/Siemen's/ABB)

Supply and fixing in repair fully automatic star delta starter, in steel sheet enclosure type with single phase preventer suitable for submersible pump motor capacity 30 HP, 415 V, 50 Hz, 3 phase, relay range 30 - 50 Amps complete all as specified and directed. Make: L&T Cat No MU-G30 FASD or equivalent make of C & S/Siemen's/ABB)

Supply and fixing for three pole power contactor MNX-50 as per existing complete all as specified and directed.

Supply and fixing for control relays (Auxiliary contactor) 220V, MNX -A2 (1 NO + 1 NC) as existing complete all as specified and directed.

Supply only over load relays 20 - 33-amp range, direct mounting suitable for MNX contactor complete all as specified and directed

Supply only over load relays 36 - 60-amp range, direct mounting suitable for MNX contactor complete all as specified and directed

Supply only electronic timer multirange as per existing complete all as specified and directed.

Supply only single phase preventor with voltage monitoring relay 3 phase 415V complete all as specified and directed

Supply only push button with indicator (set of three R Y B ) for panels complete all as specified and directed

Supply only 3 phase voltmeter analog type complete all as per specified and directed

Supply only 3 phase ammeter 0 to 100 A, analog type complete all as per specified and directed

Supply and fixing in replacement MCCB 415V,16KA, 4 pole 125 A, complete all as specified and directed

Supply and fixing in replacement MCCB 415V,16KA, 4 pole 100 A , complete all as specified and directed

Supply and fixing in repair water pressure gauge of capacity 7 kg/sqcm to 10 kg/sqcm complete all as specified and directed.

Material and labour for repair/servicing of existing sluice valve upto 150 mm after dismantling of upper cover, remove the spindle and make it leak proof by replace the gland packing, nut bolt with washer and gasket of both side complete all as specified and directed Note : Excavation required up to 1.5 m of depth, 1.0 m length and upto 1.0 m width shall be included in quoted rate.

Material and labour for mild steel work as in valve pit cover comprising of MS sheet, bracings, supports, clamps, angle and back plates fabricated from structural steel sections including nuts, bolts washers, welding, bending cold or hot, drilling holes for bolts, in any shape or size as indicated or directed and inclusive of one primer coat, one coat of synthetic enamelled paint complete all as specified and directed

Material and labour to collect water sample from the various tubewell of TBRL Range Ramgarh in container, sending it to govt approved test house/NABL lab, to carry out water test (as per IS: 10500-2012) of following type. Chemical Test (Colour, Odour, PH value, TDS , Turbidity, Total Hardness, calcium, Chloride, iron ) and Microbiological Test (coli forms, E.coli ) etc from approved lab complete all as specified and directed Note: - Test Report from approved NABL lab shall be submitted by the contractor for record.

Supply and installation in replacement mono block type water pumping set and discharge size 25mm and discharge pressure of 2600/600 LPH at 6/30 m head self priming type 0.5HP capacity single phase 220volts complete all as specified and directed Note - Old unserviceable pump shall be deposit to E/M Store.

Material and labour for cleaning of RCC underground water sump of capacity 35000 Glns in technical / domestic area by removal of sludge, scrapping silt mud and foreign material etc with wire brushes on the walls and floor of tank and washing and flushing the surfaces with bleaching powder and taking out the same manually from the compartments and removing the same to a distance not exc 50m and depositing where directed by Engineer -In - Charge and applying two coats of white wash (Internally ) to the tank, writing date of cleaning with white paint on black patch 45cm X45cm on external surface of tank in technical area complete all as specified and directed. Note:- The cleaning of RCC underground water tank shall be carried out in every six months and every cleaning shall be measured and paid for separately

Material and labour for cleaning of RCC overhead water tank of capacity 50000 Glns at 25 m high staging in domestic area by removal of sludge, scrapping silt mud and foreign material etc with wire brushes on the walls and floor of tank and washing and flushing the surfaces with bleaching powder and taking out the same manually from the compartments and removing the same to a distance not exc 50m and depositing where directed by Engineer -In - Charge and applying two coats of white wash (Internally ) to the tank, writing date of cleaning with white paint on black patch 45cm X45cm on external surface of tank in domestic area complete all as specified and directed. Note:- The cleaning of RCC overhead water tank shall be carried out in every six months and every cleaning shall be measured and paid for separately.

Material and labour for repairing & cleaning of steel overhead water tank of capacity 10000 Glns at 14 m high staging in technical area by using repair material for holes like resin compound , glues, seal with A kitone solution and spray after dry of tank and reconnection of all the fitting as per same and the removal of sludge, scrapping silt mud and foreign material etc with wire brushes on the walls and floor of tank and washing and flushing the surfaces with bleaching powder and taking out the same manually from the compartments and removing the same to a distance not exc 50m and depositing where directed by Engineer -In - Charge and applying two coats of synthetic enamel paint of silver /Gray to the tank, writing date of cleaning with black paint on black patch 45cm X45cm on external surface of tank complete all as specified and directed. Note:- The cleaning of steel overhead water tank shall be carried out in every six months and every cleaning shall be measured and paid for separately.

Material and labour for cleaning of static water tank of capacity 10000 Glns at various locations by removal of sludge, scrapping silt mud and foreign material etc with wire brushes on the walls and floor of tank and washing and flushing the surfaces and taking out the same manually from the tank and removing the same to a distance not exc 50m and depositing where directed by Engineer -In - Charge and applying two coats of white wash (Internally ) to the tank, writing date of cleaning with white paint on black patch 45cm X45cm on external surface of tank complete all as specified and directed. Note:- The cleaning of static water tank shall be carried out in every six months and every cleaning shall be measured and paid for separately.

Supply only calcium hypochlorite 65% to 70% chlorine content in granular form (Calcium based Granular Disinfectant for water treatment) in plastic container of 45/50 kg complete all as specified and directed.

Supply and replacing rotational moulded polyethylene water storage tank 500 ltr capacity double layered cylindrical vertical with closed top ISI marked hoisted and fixed in position as specified in SSR part-I complete including tank nipples of 20/25 mm dia for making inlet and outlet connections complete all as specified and directed.

All as per serial item no 116 above but capacity 1000 ltr -ditto-.

Supply and fixing wireless type water level indicator of four level indication of the tank capacity 50000 Gln with low/high level alarm power and signalling distance up to 500 m in plastic cabinate enclosure complete all as specified and directed.

Supply & laying of LT UG cable XLPE insulated armoured heavy duty elect cable with stranded aluminium conductor 1100 volts grade cross section area 70 sqmm 3.5 core laid in trenches/ fixing on panels /walls/poles or passing through pipe including connecting with suitable lugs, glands, nuts and bolts and testing complete all as specified and directed. Note: (i) Any Cable joint required for jointing of cables, shall be deemed to be included in quoted rates.

Supply and laying double walled corrugated (DWC) HDPE duct pipe of 90 mm dia conforming to IS, approved colour complete with fittings for cable protection complete all as specified and directed.

Supply and fixing in repair air termination single pointed copper rod 12 mm dia and 300 mm long with necessary fixing arrangement on roof complete all as specified and directed.

Material and labour for test point terminal block made of gun metal or phosphorus bronze size 75x75x25mm drilled and screwed including 3 nos. 8mm dia 25mm long hex. head screw complete all as specified and directed.

Supply and fixing for aluminium strip 25 x 3.15mm with saddles and fixing screws etc. for roof conductors and down conductors above ground complete all as specified and directed

Supply and fixing porcelain vitreous white/ brown/ green spacers insulator of suitable size complete with one number galvanized iron stud bolts 6mm dia x 40mm long including nut & washers and two number galvanized iron fixing bolts of size 6mm dia and 50 mm long including washers and drilling holes for holding /foxing aluminium strip/roof conductor as required including taking down the broken insulator complete all as specified and directed

Material and labour tubes, light grade' galvanised, with all fitting and fixed complete to walls and ceilings by flat iron clamp nuts bolts etc complete or laid in floors 40 mm dia complete all as specified and directed.

Material and labour for earthing complete with galvanised steel earth plate electrode 60X60cmX6.0 mm thick, buried directly in ground (earth pit not less than 2.25 metres deep below ground level) with top edge of the plate not less than 1.5metres below normal ground level, connected to galvanised earth lead 25X4 mm GI strip means of bolts, nuts, check nuts and washers of galvanised iron or steel all as shown in electrical plate No. 5 connected or indicated including testing on completion. Incl necessary excavation, earth work, PCC pit, RCC cover ,funnel with watering pipe 20mm bore light grade, GI protection pipe 15 mm bore light grade complete all as specified and directed

Material and labour for construction of valves pit chamber of size (1200mm x1200mm x1200 mm, internal) using PCC (1:4:8) 40mm graded stone aggregate for foundation 15 cm thick , 23 cm thick wall in CM (1:4) 10mm thick rendering all around the brick work with 1:6 cement mortar PCC (1:2:4) type B1 coping with 20 mm graded aggregate for grouting MS frame including 3 mm thick MS top sheet cover with locking arrangement including 50 mm pad lock with double key arrangement, MS frame out of 40 x 40 x 5 mm thick angle iron including painting of steel surface with two coats of synthetic enamel paint over a coat of red oxide primers finishing coat including necessary excavation in any type of soil , returning filling in and removal of surplus soil to a distance not exceeding 50 m and including demolition /dismantling of existing cracked valve chamber of any sizes complete all as specified and directed.

Repair/maintenance of dosing pump and dosing system by taking down the unserviceable parts from the pump and dosing system including over hauling, servicing/cleaning thoroughly and re-assembling pump carefully including servicing including repair/ replacement of unserviceable parts as required at site etc and re-assembling/re-installing the pump complete all as specified and directed. Note:- (a) Spare / parts shall be measured and paid for separately as supply only item in respective items in Schedule (b) Labour charges for fixing parts shall deemed to be included in the unit rate.

Supply only injector set for dozing system complete all as specified and directed.

Supply only NRV for dozing pump as per existing complete all as specified and directed.

Supply only teflon pipe suitable for dozing system complete all as per specified and directed.

Supply only diaphragm disc brass as per existing complete all as specified and directed

Supply and installation in replacement open well submersible pump set self priming type 1.0 HP capacity single phase 220 volts complete all as specified and directed. Note - Old unserviceable pump shall be deposited to E/M Store.

Supply and fixing in repair digital display single phase, automatic motor controller with dry run in built water level controller, dry run auto reset timer, RTC based daily On/Off timer, OV/UV protection, water tank status indication, in steel sheet enclosure type with suitable for motor output 1 HP complete all as specified and directed. (Make: L&T Cat No MR-GiB (Auto) or equivalent make of C & S/Siemen's/ABB/Havells)

Supply and fixing in repair low intensity aviation obstruction warning light 230 V AC,R red, led based with day/night photocell sensor, polycarbonate glass for 360 degree illumination complete all as specified and directed.

Supply and fixing for 3 core PVC insulated and sheeted , un armoured multi stranded copper conductor cable of size 2.5 sqmm with PVC conduit of size 25 mm fixing on wall / in trench complete all as specified and directed.

Material and labour for pasting flex board on partial board dully print of single line diagrams of water supply distribution system/installation details/equipment details/installation notice board/shock treatment chart etc in multi colour, complete all as specified and directed. Note - Details of equipment/plant shall be given by department . The contractor has to develop the same with legends/signs as per the standards on computer in multicolour and same get it approved from Engineer-in-charge.

Supply and fixing in repair first aid box at E/M installation to keep the first aid items i.e. Regular use medicine a tube of burnol , bandage one small snizer , banded etc ,the box will be made out of GI sheet of 18 Gauge and the size of the box will be 30cm x 25 cm x 20 cm with openable window at front side with help of hinge at one side and locking arrangement at another side ,openable window must painted with ''FIRST AID'' with red paint and whole box will fixed on wall at height not less then 2 m , complete all as specified and directed

Bharat Enterprises (BID ID -3434234)