GE/ALP (8598) KOLKATA OF 2025-26

M&L for Cleaning of R.C.C. Under Ground Sump of capacity 25000 Glns (including free board volume) by 6 stage mechanized cleaning system, with imported machines at the following locations, complete al as specified and directed with the follwing process:- Preliminary Step:- Cleaning the surrounding area of the sump /Tank with high pressure jet to remove dirts, algaes, muds etc. Stage - 1(Mechanized Dewatering) Pumping out the water stored inside the sump / tank to a considerable level by using special type dewatering pump. Stage - 2 (Sludge Removal) Sucking & removal of residual water and sludge, which has settled on the floor of the sump / tank, with the help of special type high power sludge pumping equipments. Stage - 3 (High Pressure Cleaning) Thoroughly cleaning of the walls / ceillings of the tank by using high pressure jet cleaners to remove the algaes / contaminants cling on the internal surfaces of the tank which helps the growth of microbiological contamination. Stage - 4 (Vacuum Cleaning) Removing of sludge, already deposited between rough surfaces of walls / ceilling / floor of the tank, with high power industrial vacuum cleaner machine, to make the tank absolutely speck free, Stage - 5 (Anti-bacterial Spray) Spraying of anti-bacterial agent to all the walls,ceilling,floor of the tank, for necessary anti-bacterial treatment, with high pressure spray machine, to make the tank totally bacteria free. Stage - 6 (Ultra Violet Radiation) Sterilisation and disinfection of the tank by using specially designed UV radiator machine to kill any suspended / floating bacteria, if any, present inside the tank. (i) The work of cleaning shall be carried out by authorised applicator of M/s Tanklean/Fast Clean/MSTC/RAY's Clean Tech or equivalent as approved by GE. (ii) Swab test to be carried out for the UG and OH RCC tank before the cleaning of the tank and after cleaning of the tank. (Test report to be submitted to the Engr-incharge)

BSA Complex UG Sump

Goakhle Road Complex UG Sump

All as per BOQ Serial item No 1 above but for R.C.C. Over head tank of capacity 2000 Ltrs to 25000 Glns complete all as specified and directed.

All as per BOQ Serial item No 1 above but for PVC Over head tank of capacity 250 to 2000 Ltrs complete all as specified and directed.

M&L for construction of masonary valve pit chamber of size 1000 x 1000 x 900 mm (internal dimension) with burnt brick (Sub class "B") full brick thick brick work in cement mortor (1:6), 10 mm thick plastering in CM (1:4) internally and externally upto 150mm below the ground level, 150mm thick PCC (1:4:8) type D-2 (using 40mm graded stone aggregate) as in foundation bed with 150mm all round offset from outer side of brick work, 3 mm thick MS sheet cover with locking arrangement hinged with 50 x 50 x 6 mm angle iron frame embeded in PCC (1:3:6) type C-1 (using 20mm graded stone aggregate) as coping etc including painting with two coats of synthetic enamel paint over a coat of red oxide zinc chrome primer on steel surfaces including necessary earth work in any type soil complete including demolition and taking out old materials from site complete all as specified and as directed.

Collecting the sample of water of required quantity in bottle/kit from different points duly labled the source through Engineer-in-charge for forwarding to the test house and testing of water for iron, PH value, Hardness, trubidity, chloride, fluoride, aresenic test and submitting the test report in triplicate from any NABL & ISO 17025 accredited laboratory/National test House/Govt approved laboratory complete all as specified and as directed . Note : Testing shall be carried out quarterly.

Collecting the sample of water of required quantity in bottle/kit from different points duly labled the source through Engineer-in-charge for forwarding to the test house and carrying out bacteriological test for water sample quarterly and submitting the test report in triplicate done from any NABL & ISO 17025 accredited laboratory/National test House/Govt approved laboratory complete all as specified and as directed Note: Sample of water shall be collected and tested quarterly.

M&L for plain cement concrete (1:4:8) type D2 (using 40 mm graded stone aggregrates) as in foundations filling, coping for pole and mass concrete including demolition of old decayed PCC complete all as specified and directed.

M&L for Brick work with subclass ‘B’ bricks, straight or curved on plan exc 6m mean radius built in cement mortar (1:4) including demolition of old brick work complete all as specified and directed.

M&L for 10 mm thick rendering on fair faces of brick works or concrete surface in cement morter (1:4) and finish surfaces even and smooth without using extra cement complete all as specified and directed.

M&L for PCC (1:3:6) type C2 (using 40 mm graded stone aggregrates) as in foundations filling, coping for pole and mass concrete including demolition of old decayed PCC complete all as specified and directed.

Excavation in trenches not exc 1.5 m in depth and not exc 1.5 m wide for taking out/laying CI/GI pipes and getting out in any type of soil complete all as specified and as directed

Removing excavated soil to a distance not exc 50 m and deposited where directed complete all as specified and as directed

Returning, filling in including spreading, leveling, watering and well ramming in layers not exc 25 cm complete all as specified and as directed

Taking up or down steel tubing & connection and removal from site80mm bore of GI pipes complete all as specified and directed

All as per BOQ Serial item no 14 above but of size 50mm bore complete all as specified and directed.

All as per BOQ Serial item no 14 above but of size 40mm bore complete all as specified and directed.

All as per BOQ Serial item no 14 above but of size 25mm bore complete all as specified and directed.

All as per BOQ Serial item no 14 above but of size 20mm bore complete all as specified and directed.

Supply, laying and testing galvanised iron pipes of medium grade with ISI Marked with all fittings ( such as bends, elbows, tees, short pieces of medium grade , connectors, back-nuts, caps, plugs and unions etc.) laying in trenches/ floors/ ducts and also cutting pipes, screwing, and for making forged bends on piping as required for the 80mm bore of pipes complete all as specified and directed

All as per BOQ Serial item no 19 above but of size 50mm bore complete all as specified and directed.

All as per BOQ Serial item no 19 above but of size 40mm bore complete all as specified and directed.

All as per BOQ Serial item no 19 above but of size 25mm bore complete all as specified and directed.

All as per BOQ Serial item no 19 above but of size 20mm bore complete all as specified and directed.

S&F Gun metal gate valve conforming to IS -778 with iron wheel head, screwed both ends on GI pipes with GI union including taking doiwn old Gun metal valve complete all as specified and directed

All as per BOQ Serial item no 24 above but of size 40mm bore complete all as specified and directed.

All as per BOQ Serial item no 24 above but of size 25mm bore complete all as specified and directed.

All as per BOQ Serial item no 24 above but of size 20mm bore complete all as specified and directed.

Supply, laying & testing for 100 mm MS pipe, heavy duty (Class 'C') of wall thickness 5.4mm with flanged end conforming to (IS 1239) (Part 'A' 2004) including painting with two coats of black bitumnous paint (suitable for drinking water) over a coat of good quality metal primer including taking down old pipe complete all as specified and as directed. Note: The rates shall include the cost of consumables for cutting and welding.

All as per BOQ Serial item no 28 above but 80mm bore complete all as specified and directed.

.All as per BOQ Serial item no 28 above but 50mm bore complete all as specified and directed.

Detection of leakage in water main by required excavation in water logged/foul condition including bailing out leakage water by bucket etc for repair of leakage of GI pipe of size 80/50 mm diameter bore including cutting, threading for addition & alteration all as required as per the site including cost of all labour charges and re-fixing of necessary fittings such as socket, bend, elbow etc in existing location complete all as specified and as directed.

Detection of leakage in water main by required excavation in water logged/foul condition including bailing out leakage water by bucket etc for repair of leakage of GI pipe of size 40/25/20 mm diameter bore including cutting, threading for addition & alteration all as required as per the site including cost all of labour charges and re-fixing of necessary fittings such as socket ,bend,elbow,etc in existing location complete all as specified and as directed.

Detection of leakage in water main by required excavation in water logged/ foul condition without hampering water supply incl bailing out leakage water by bucket etc for repair of leakage in CI pipe of 150/100/80 mm size by burning out lead joints wherever required incl cutting, threading for addition & alternating for insulation of fitting all as required complete all as specified and as directed.

S&F 150mm dia cast iron butter fly valve PN-2.5, lever operated, with iron disc IS-13095-1991, double flanged and wafer type (PSI-250) including all accessories including taking down of old unserviceable valve complete all as specified and as directed.

All as per BOQ Serial item no 34 above but 100mm dia complete all as specified and directed.

All as per BOQ Serial item no 34 above but 80mm dia complete all as specified and directed.

All as per BOQ Serial item no 34 above but 50mm dia complete all as specified and directed.

S&F in replacementcast iron sluice valve 150 mm dia bore conforming to IS -14846 with flanged ends of class PN 1.6, ISI marked, drilled for bolts comprising of Brass spindle cast iron operating wheel, including necessary rubber gasket joint complete with nuts bolts and washer complete all as specified and as directed.

All as per BOQ Serial item no 38 above but 100mm dia bore size complete all as specified and directed.

All as per BOQ Serial item no 38 above but 80mm dia bore size complete all as specified and directed.

S&F Mild steel angle iron grade Fe 310-0 as in framing of valve pit cover (3 MM) including hinge and locking arrangement including taking down of old rusted steel angle complete all as specified and directed.

S&F 3mm thick mild steel plate conforming to Fe 310-0 as in covering of valve pit chember including taking down of old shed plate complete all as specified and directed.

M&L for painting of steel plate & mild steel angle of any size with two coats of superior quality synthetic enamel paint after cleaning of existing surface complete all as specified and directed.

S&F in repairs PP-R Gate valves (brass insert) of 63 mm outer dia with & including suitable PPR fittings, including cutting and making fusion joint etc. complete all as specified and directed.

S&F in repairs PP-R Gate valves (brass insert) of 90 mm outer dia with & including suitable PPR fittings, cutting and making fusion joint etc.complete all as specified and directed.

Supply, laying and testing of Ductile iron pipe centrifugally cast-IS-8329-2000 of 150mm, dia class K9, flanged end with and including rubber gasket joint with nuts and bolts but excluding DI specials in any length laid in trenches or in ground including taking down of old pipes complete all as specified and directed.

All same as BOQ Serial item no 46 above but 100mm diameter complete all as specified and directed.

Dimantling and taking up of old fittings and Supply and fixing DI/CI specials class K-12 both end flanged or both end spigot/socket or one end flanged and other end spigot/socket any type such as bends, tapers, reducers, duck foot bend, tee pieces (single and double branch), etc including cutting of pipes for upto 150 mm dia ductile iron pipe as per site requirement complete all as specified and as directed.

Supplying and laying in repairs 3-layer PP-R (P o l y p r o p y l e n e random copolymer) of 90 mm outer dia SDR 7.4 (PN16) UV stabilized and antimicrobial fusion welded having thermal stability for hot & cold water supply including all PP-R plain & brass threaded poly propylene random fittings fixed complete to walls, ceilings or in floors etc. complete all as specified and directed.

Supplying and laying in repairs 3-layer PP-R (P o l y p r o p y l e n e random copolymer) of 63 mm outer dia SDR 7.4 (PN16) UV stabilized and antimicrobial fusion welded having thermal stability for hot & cold water supply including all PP-R plain & brass threaded poly propylene random fittings fixed complete to walls, ceilings or in floors etc. complete all as specified and directed.

S&F in replacement cast iron Non Return Valve 80 mm dia PN 1.6, flanged type complete all as specified and directed.

Making connection of PP-R distribution branch with PP-R main of 50 -90 MM Outer dia by supplying, providing and fixing tee including cutting and making fusion joint etc. complete all as specified and directed.

Supplying and laying in repairs 3-layer PP-R P o l y p r o p y l e n e random copolymer) of 25 mm outer dia SDR 7.4 (PN16) UV stabilized and antimicrobial fusion welded having thermal stability for hot & cold water supply including all PP-R plain & brass threaded poly propylene random fittings fixed complete to walls, ceilings or in floors etc. complete all as specified and directed.

S&F in repairs 25 mm UPVC Pipe of pressure rating 10 Kgf/Cm2 fixed complete to wall, celing or in floors etc complete all as specified and directed.

S&F in repairs Bib taps, cast copper alloy with crutch or butterfly handle, screwed down, screwed for iron pipe or for brass complete all as specified and directed.

S&F Mild steel angle iron (50x50x6) mm grade Fe 310-0 as in framing of bracket for fixing of pipe on wall/trencg complete all as specified and directed.

Supply and mixing common salt (Non iodised, best quality locally available) of 50 Kg bag complete all as specified and as directed. Note : (i) Materials supplied shall be deposited to store and proper receipt voucher taken. (ii) For regular consumption of materials shall be issued & maintain record duly signed by Engr-in-charge and contractor.

Supply only Calcium Hypochlorite based granular cholorination chemicals ( disinfectant for water treatment) with available chlorine complete all as specified and directed.

Comprehensive maintenance of Water Treatment Plants (softening plant) with accessories for safe and efficient running at BSA Complex for the period of one calender month including repair/renewal of spare parts as and when required for smooth and efficient functioning of the plant of capacity of 10000 GPH and consisting of following accessories complete all as specified and as directed:- (a) One pressure filter capacity 10000 GPH. (b) One Softner capacity 10000 GPH.. (c) One oxidation chamber.10000 GPH (d) One brine solution tank. (e) One Air compressor. (f) Chlorine dozing pump including service tank. (g) Accessories for above items. Note :- (i) Unit rates shall be deemed to be inclusive of taking down unserviceable parts/accessories and refixing the same after minor repairs as required, adjustments of settings, cleaning down etc and replacement with new spare parts (measured separately) as and when required and including plant operations such as back washing, rinsing of filter and regeneration of resin, rinsing and blending and testing of water for hardness and iron on daily basis (Morning & Evening) for smooth and efficient functioning of the plant. (All required Testing kits will be provided by the contractor including chemicals / reagent required for testing. Tests will be conducted upto the entire satisfaction of Engr in Charge).Contractor shall be responsible for making salt solution and charging of salts. (ii) New spare parts required for renewal shall be measured and paid for separately under relevant items.

All as per BOQ serial item No 59 above but for Gokhale Road Complex complete all as specified and directed.

Preparation of outer surfaces of IR plant tank of pressure feed filtration plant comprising of oxidation plant, iron removal plant, brine solution, softeing plant of 10000 Gallon capacity including all frontal pipes located at Pump House and M&L for applying one coat of synthetic enamel paint (as per existing colour) with spray painting machine including arrow marking on inlet and outlet pipe line after applying one coat of red oxide primer complete all as specified and as directed.

M&L for one coat of synthetic enamel paint (external surfaces) on old painted surfaces of pipes those are exposed and laid horrizontally of any type and size including preparation removal of loose paint, sludges, rust etc and applying one coat of red oxide primer complete all as specified and as directed.

Preparation of old painted Air compressor equipment body such as electric motor, air cylinder and compressor etc and M&L for applying two coats of grey synthetic enamel paint on motor/air cylinder/air comprssor body and two coats of red syntheic enamel paint on fan guard and two coats black synthetic enamel paint on base channel frame with spray machine including one coat of red oxide primer complete all as specified and as directed.

Taking out burnt copper winding from motor of up to 3 HP capacity and M& L for rewinding with super enamelled best quality copper wire of suitable gauge including insulation, heat varnishing and refixing in position including testing and commissioning complete all as specified and as directed.

Supply and pouring resin inside beds of softening plant chamber complete all as specified and as directed. Note : (i) Materials supplied shall be deposited to store and proper receipt voucher taken. (ii) For regular consumption of materials shall be issued & maintain record duly signed by Engr-in-charge and contractor. Make :- Zeolite 320/ Thermax/ Indion 225NA as approved by GE

S&F in repairs 3/8" dia White transparent suction tube complete all as specified and as directed.

S&F in repairs 3/8" dia White transparent delivery tube complete all as specified and as directed.

S&F in repairs water pressure gauge 0.150 Ibs/2/0-12kg/Sqcm capacity complete all as specified and as directed.

Supply and use hardness water testing chemicals re-agent solution 'A', 'B' & 'C' complete all as specified and as directed.

Supply, cleaning and filling the pressure filter sand inside the pressure filter (type of sand 16/30 mesh) complete all as specified and as directed. Source: Baraker river.

Supply, cleaning and filling the pressure filter gravel / fileter media of size upto 25mm complete all as specified and as directed. Source: Baraker river.

Supply and charging inside the oxidation chamber of catalyst (MNO2) complete all as specified and as directed.

S&F 100mm bore diaphram valve angular with rubber diaphgram including taking out unserviceable one complete all as specified and as directed. Make:Kirloskar/Upadhaya/Kirloskar/Leader/Kalpana or equivalent as approved by GE

S&F 80mm bore diaphram valve angular with rubber diaphgram including taking out old unserviceable one complete all as specified and as directed. Make:Kirloskar/Upadhaya/Kirloskar/Leader/Kalpana or equivalent as approved by GE

S&F 50mm bore diaphram valve angular with rubber diaphgram including taking out old unserviceable one complete all as specified and as directed. Make: Kirloskar/Upadhaya/Kirloskar/Leader/Kalpana or equivalent as approved by GE

Supply, hoisting and fixing in proper position ISI embosed three layer rotational moulded polyethylene water storage tank (cylindrical vertical with closed top), of capacity 2000 litres including providing necessary connections after disconnecting and taking down of existing tanks complete all as specified and as directed.

All as per BOQ Serial item No 76 above but 1000 ltrs capacity complete all as specified and directed.

All as per BOQ Serial item No 76 above but 750 ltrs capacity complete all as specified and directed.

All as per BOQ Serial item No 76 above but 500 ltrs capacity complete all as specified and directed.

S&F in repairs 50mm Ball brass valves, high pressure, with polythene float and flynut complete, screwed for iron pipe or brass ferrule and fixed complete all as specified and directed.

S&F in repairs 40 mm Ball brass valves, high pressure, with polythene float and flynut complete, screwed for iron pipe or brass ferrule and fixed complete all as specified and directed.

S&F in repairs 25 mm Ball brass valves, high pressure, with polythene float and flynut complete, screwed for iron pipe or brass ferrule and fixed complete all as specified and directed.

S&F PVC Tank Cover of capacity 2000/1500Ltrs of suitable size/dimension of existing PVC tank complete all as specified and directed.

S&F PVC Tank Cover of capacity 1000/750 Ltrs of suitable size/dimension of existing PVC tank complete all as specified and directed.

S&F PVC Tank Cover of capacity 500/300 Ltrs of suitable size/dimension of existing PVC tank complete all as specified and directed.

First day compressor run

Second day compressor run

Third day till quality water achieve. Note:- (for 86.01 to 86.03) (i) Compressor with connected accessories and fuel shall be arranged by the contractor and at last 05 kg raw caustic will be added in each bore well before 24 hours for 1st & 2nd day only. Cost of which shall deem to be included in unit rate quoted. (ii) Pea grevel shall be measured and paid separately under appropriate item.

M&L for pea gravels fillings (coarse sand mud free) washed pea gravels of size 4 mm to 6 mm for filling packing around casing of deep tube well for derived depth complete all as specified and directed.

S&F in replacent MS column pipes heavy duty 100 mm dia bore, both end threaded with heavy duty socket or fixed with two Nos flanges on both end, including welding and painted with electrical spray machine both inside and outside with & including two coats of black anti- corrosive synthetic paint (suitable for drinking water) over one coat of red oxide primer complete all as specified and directed.

S& F in replacement MS column pipes heavy duty 80 mm dia bore, both end threaded with heavy duty socket or fixed with two Nos flanges on both end, including welding and painted with electrical spray machine both inside and outside with & including two coats of black anti- corrosive synthetic paint (suitable for drinking water) over one coat of red oxide primer complete all as specified and directed.

M&L for taking down centrifugal pump from existing position, dismantling the same to carry out repair works including replacement of required spare parts, reassembling, reinstalling, checking for alignment with motor and connecting complete for following capacity of pump. Note: Spare parts required for renewal shall be measured and paid separately.

Supply only of following spare parts for pump set including motor complete for 25 centrifugal pump:-

Impeller CI

Pump shaft

Stage bushing

Coupling

Bearings Make : SKF or equivalent make as approved by GE

Dismantling and opening the 25HP motor from pump set in existing position for carrying out rewinding work with new super enamelled copper wire of suitable gauge as per existing and heat varnishing complete with all other material required for rewinding, re-assembling and refixing the same with pump in original position complete all as specified and directed.

Labour only for lifting/ lowering of submersible pump set from tube wall after disconnecting the electric supply and taking out all coloumn pipes flanged/ socket type of any length keeping serviceable fittings in safe custody for reuse, removing U/S materials from site, making good of disturbed surfaces and carrying submersible pump set to nearest repairing workshop including bringing back after necessary repairs and lowering the same with & including all necesary fixtures like rubber gasket/nuts/bolts/washers of suitable size or welding materials for jointing cloumn pipes flanged/ socket type and connection of electric supply to motor, testing/commissioning, etc. complete all as specified and directed. Note. : Replacement of Column pipes shall be measured and paid seperately.

M&L for necessary repair to motor of submersible pump and taking out burnt windings, cleaning, re-winding with superior quality super enamelled copper wire of existing gauge, overhauling, refixing and testing complete for following capacity of pump.

M&L for overhauling of submersible pump of 6 to 8 stage, 20 HP installed at pump house with cleaning, Stage casing, Carbon trust bearing with pressure plate, Suction strainer, Diffuser Bronze, Impellers,Thrust bearing housing, Bearing segment carrier ( C.I ), Diaphragm (rubber), Stud nut and bolt 8.0 mm dia and length as per requried, Greasing,repairs to pump including replacement of spares parts like clamps, Impeller bushing, Dischrage/suction casing, Gaskets etc & connected accessories complete all as specified and directed.

M&L for overhauling of submersible pump of 6 to 8 stage, 10 HP installed at pump house with cleaning, Stage casing, Carbon trust bearing with pressure plate, Suction strainer, Diffuser Bronze, Impellers,Thrust bearing housing, Bearing segment carrier ( C.I ), Diaphragm (rubber), Stud nut and bolt 8.0 mm dia and length as per requried, Greasing,repairs to pump including replacement of spares parts like clamps, Impeller bushing, Dischrage/suction casing, Gaskets etc & connected accessories complete all as specified and directed.

M&L for overhauling of submersible pump of 6 to 8 stage, 10 HP installed at pump house with cleaning, Stage casing, Carbon trust bearing with pressure plate, Suction strainer, Diffuser Bronze, Impellers,Thrust bearing housing, Bearing segment carrier ( C.I ), Diaphragm (rubber), Stud nut and bolt 8.0 mm dia and length as per requried, Greasing,repairs to pump including replacement of spares parts like clamps, Impeller bushing, Dischrage/suction casing, Gaskets etc & connected accessories complete all as specified and directed.

S & F in repair water proof submersible flexible flat copper cable, 10 Sqmm 3 core, 1100 Volts complete all as specified and directed. Note : Rate quoted shall be deemed to be inclusive of the cost of under water fixing arrangements complete.

S & F in repair water proof submersible flexible flat copper cable, 6 Sqmm 3 core, 1100 Volts complete all as specified and directed. Note : Rate quoted shall be deemed to be inclusive of the cost of under water fixing arrangements complete.

M&L for earthing complete with galvanised iron earth plate electrode 600 mm x 600 mm x 6 mm thick, burried directly and preferably vertically in ground, earth pit not less than 2.25 Mtr deep below ground level with top edge of the plate not less than 1.5 m below ground level connetced with galvanised strip of size 32 x 6mm by means of nuts, bolts, check nuts and washers made of galvanised iron or steel earthing lead to be protected by galvanised iron pipe 40 mm bore (medium grade) and other end connected to earthing test point or lightening arrestor or main controlling switch including providing funnel with 20mm bore galvanised iron pipe (light grade), wire mesh, charcoal or coke and common salt in alternate layer of 15cm (compacted thickness) all round the earth electrode, concrete earth pit in PCC (1:3:6) type C-1 (with 20mm graded aggregate), 50mm thick precast RCC (1:2:4) cover slab (re-inforced with 8mm dia TMT bar @ 15 cm C/C bothways and suitable handle made of 10mm dia) including necessary earth work in excavation, in any type of soil returning filling and removal of surplus earth upto a distance not exceeding 50 m etc all as shown on electrical plate No. 3 of MES Schedule Part-I(2009) complete including testing on completion all as specified and as directed. Note: (i) Earthing strip & protection pipe upto 7.5 m is deemed to be included in the quoted unit rate. (ii) Test pit point is deemed to be included in the quoted unit rate.

S&F aluminium strip of size (25x3.15) mm in proper position with saddles and fixing screws after and including taking down of the old unserviceable one and making good the disturbed surface complete all as specified and as directed.

Preparing surfaces of 10-30 HP capacity centrifugal pump set after removing old painted/rusted surafce by paint removers such as blow lamps, scrapers etc over the surface of motor/pump body and giving one coat of red oxide primer and after which painting with two coat of back anticorrosive synthetic enamel paint on the surface of centrifugal pump set with electrical spray machine and letter writing by using white paint on painted surface by showing MES No & Capacity on ordered location etc complete all as specified and as directed.

Supply only calcium based high strength chlorination chemical ( calcium Hypo Chlorite) for water disinfection in granule from in factory sealed HDPE container complete Generic Specifications as given below: 1. Chemical Name: Calcium Hypochlorite 2. Common name Stable Bleaching powder/ High StrengthBleaching Powder 3. Description/ Appearance Dry free flowing and free from Lumps. 4. Toxic & Undesirable Substance: Should not induce substances beyond acceptable limit as given in IS 10500 (2012) in treated and disinfected water. 5. Packing 40-45 kg Drums Characteristic Unit specifications 1. Available Chlorine 0A) by mass, Min 65% 2. Stability loss of chloride on basis of available chloride, Max 1/12 3. Particle size (passing through 1.70 mm IS Sieve) % by mass, Min 99.5 4. Water insoluble matter, Max 6% 5. Calcium Hydroxide, Max 4% 6. Sodium Chloride, Max 15% (Note: (i)Test Certificate from manufacturing as mentioned in Generic specification shall accompany with every consignment to ensure that the materials supplied are in with conformity the relevant IS (ii) Material shall be deposited to store and proper receipt voucher taken.

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