REPAIR/MAINT OF SEWAGE TREATMENT PLANT, SWIMMING POOL, AND CERTAIN MISC WATER SUPPLY INSTALLATIONS, CHLORONOMES INCLUDING CLEANING OF OVER HEAD TANKS/UNDERGROUND SUMPS, RESIDENTIAL SERVICE WATER TANKS ETC AND TREATED WATER TO STP AT HQTC BANGALORE

Amount

Comprehensive repairs and servicing of chloronome plants gaseous type (Gravity feed ) of capacity 100 gms to 1000 gms per hour at swimming pool -01 No, HQTC main pump house -02 Nos and STP -01 No, cleaning of mixing chamber, PVC chloronom pipe, primary filter, water chloring mixing chambe ,U bend , and gas bend at HQTC all as necessary repair & replacement of unserviceable parts & reassembling the same including testing complete specified and directed by Engineer in charge. Notes-: Spair parts shall be measeured and paid separately.

Supply and fix butterfly valve of size 100mm dia complete fittings SI marked, with bolts and nuts and washers including providing rubber insertion of suitable thickness complete ncluding taking out existing unserviceable valve as per existing make. All as specified and directed by Engineer in charge.

Supply and fix butterfly valve of size 150mm dia complete fittings SI marked, with bolts and nuts and washers including providing rubber insertion of suitable thickness complete ncluding taking out existing unserviceable valves as per existing make all as specified and directed by Engineer in charge.

Supply & fix PVC control valve 25mm dia of superior quality all as all as specified and directed by Engineer in charge.

Supply & fix PVC control valve 20mm dia of superior quality all as specified and as directed.

Supply & fix Silicon oil seal, Diaphragm, fully SS all as specified and as directed. As per existing make all as specified and directed by Engineer in charge.

Supply & fix ''mixing chamber uppler plate '' for gaseous chlorine dosing system as per existing make all as specified and directed by Engineer in charge.

Supply & fix Primary filter for gaseous chlorine dosing system.

Supply & fix U bend '' for gaseous chlorine dosing system as per existing make all as specified and directed by Engineer in charge.

Supply & fix ''gas bend'' for gaseous chlorine dosing system as per existing make all as specified and directed by Engineer in charge.

Supply and fix ''water chloring mixing chamber'' for gaseous chlorine dosing system. Sai

Supply only chlorine gas in cylinders, each cylinder capacity of 100 kg all as specified and as directed. Note: content of gas in each cylinder is 100 Kg.

Disconnection of sodium hypo-chlorite dosing plant and comprehensive maintenance/repairs and servicing of chlorine dosing system high pressure single head gear motored adjustable with tank make declibac at HQTC main pump house -01 No, cleaning of chlorine tank and necessary repair & replacement of unserviceable parts & reassembling the same including testing complete all as specified and directed by Engineer in charge. Notes-: Spair parts shall be measeured and paid separately.

Supply only Altoch -GP (Calcium based granual disinfectant for water treatment more stable than chlorine gas and stronger than Bleaching powder and Sodium hypochlorite) Packing in 45 Kg plastic drum.

Supply only “Foot Valve assembly” for sodium hypo-chlorite dosing pump complete as per existing make all as specified and directed by Engineer in charge.

Supply only “Anti Siphon Valve” for sodium hypo-chlorite dosing pump complete as per existing make all as specified and directed by Engineer in charge.

Supply only “Pulsar circuit and speed potential meter” for sodium hypo-chlorite dosing pump complete as per existing make all as specified and directed by Engineer in charge.

Supply only “Diaphragm” for sodium hypo-chlorite dosing pump completeas per existing make all as specified and directed by Engineer in charge.

Supply only “PVC Pipe heavy duty” for sodium hypo-chlorite dosing pump complete as per existing make all as specified and directed by Engineer in charge.

Supply only “Suction valve seat” for sodium hypo-chlorite dosing pump complete as per existing make all as specified and directed by Engineer in charge.

Supply only “Ball ceramic” for sodium hypo-chlorite dosing pump complete as per existing make all as specified and directed by Engineer in charge.

Supply only “Diaphragm Seal” for sodium hypo-chlorite dosing pump complete as per existing make all as specified and directed by Engineer in charge.

Supply only copper sulphate superior grade of approved make all as specified and as directed.

Supply only aluminium sulphate (alum) 7% min powder,superior grade in 50 kg bags each all as specified and as directed. Make: Shree Rayalaseema

Supply only Soda ash of superior quality all as specified and as directed.

Supply only bleaching powder GD-1 conforming to IS 1065/ 89 (second revision) with minimum available chlorine as 23.5% packed in 25 Kgs capacity HDFN bag all as specified and as directed.

Supply only sodium hypo chlorate solution Gde-I with chlorine content 35 to 120 GPL in 35 litres PVC containers all as specified and as directed.

Supply only Ammonia solution each bottle of 500 ml for leak test of chlorine gas all as specified and as directed. Make-: Glaxo/ SDS

Supply only orthotolidine reagent in each bottle of 500 ml for testing of chlorine content in water all as specified and as directed. Make: Glaxo/ SDS

Supply and fix in repairs Chlorine control valve, ISI marked conforming to IS 3224, to the chlorine cylinder all as specified and as directed. Note: The cylinders found suitable for re-use after testing shall only be replaced with new control valves.

M & L for repair, servicing of LT panel boards at swimming pool installation with switch gears consisting of Incoming and out going MCCBs, pump set starters and connected accessories as specified / comprising the following tasks :- (i) Cleaning with blower (ii) Cleaning with brush (iii) Replacement of damaged cable lugs (iv) Replacement of deteriorated copper wiring (v) Replacement of sheared rubber beadings (vi) Tightening of loose connections (vii) Preparation of old painted surfaces and applying one coat of metallic spray paint of approved colour. (viii) Writing of incoming and out going feeders with computer cutting vinyl stickering as directed.

Material and labour for painting of pressure sand filter at swimming pool of size 3.0 mt dia and 2.5 mt height outer surface area & Complete frontal MS pipe line of 200mm dia inlet and outlet of pressure sand filter with synthetic enamel spray paint of existing colour including preparation of old painted surface all as directed by Eng-in-Charge.

Supply and fix sluice valve, cast iron body,150 mm dia class-1 ISI marked, PN-1, both end flanged and drilled and fixed with bolts and nuts and washers including providing rubber insertion of suitable thickness complete of following sizes including taking out existing unserviceable sluice valves all as specified and as directed.

Supply and fix Non return valve,150mm heavy duty, ISI Marked, PN –1.6, including taking down existing unserviceable non return valve all as specified and as directed.

Supply and fix water pressure guage ranging 0-14 kg/sqcm including dismantling unserviceable exisitng pressure guage complete all as spcified and directed by Engineer-In-Charge.

Supply and fix Foot valve, 150mm bore, under ground sump CI body with hard leather gasket all as specified and as directed.

Supply and fix Foot valve, 100mm bore, under ground sump CI body with hard leather gasket all as specified and as directed.

Material and labour for painting of pressure sand filter at swimming pool of size 2.0 mt dia and 3 mt height outer surface area & Complete frontal MS pipe line of 50mm dia inlet and outlet of pressure sand filter with synthetic enamel spray paint of existing colour including preparation of old painted surface all as directed by Eng-in-Charge.

De-watering, removing all moses, algae and dirt from internal walls, floors & mouths of pipes of RCC overhead reservoir/ under ground sump by using steel wire brush and cleaning with high pressure industrial vacuum cleaner including removing of dirty water completely using sludge pump set and disposing off the same to a safe distance and applying of anti bacterial sterilization spray to internal surfaces using Zero bacterial compound by approved chemical including applying two coats of white wash to internal surfacesand outer surface complete and writing the date of cleaning on outside of tank/ sump using synthetic enamel paint of white colour over black background with letters of size 100mm height x 100mm wide complete for OH Reservoir 1,00,000 Gallons capacity with 98 feet staging all as directed and specified.

All as per item No.39 above but OH Reservoir 50,000 Gallons capacity with 65 feet staging

All as per item No.39 above but UG sump 10,000 ltrs capacity

All as per item No.39 above but OH Reservoir 10,000 Gallons capacity with 60 feet staging

All as per item No.39 above but including white washing outer side G sump 1,50,000 Gallons capacity

All as per item No.39 above but including white washing outer side UG sump 75,000 Gallons capacity

All as per item No.39 above but including white washing outer side UG sump 1,00,000 Litres capacity

All as per item No.39 above but including white washing outer sideUG sump of swimming pool 40,000 Litres capacity

All as per item No.39 above but Under Ground Sump 50,000 gallons capacity (MAP)

All as per item No.39 above but Static water tank 50,000 litres capacity

De-watering, removing all moses, algae and dirt from internal walls, floors & mouths of pipes of RCC overhead tanks (Service tanks) by using steel wire brush and cleaning with high pressure industrial vacuum cleaner including removing of dirty water completely using sludge pump set and disposing off the same to a safe distance and applying of anti bacterial sterilization spray to internal surfaces using Zero bacterial compound by approved chemical including applying two coats of white wash to internal surfaces complete and writing the date of cleaning on outside of tank using synthetic enamel paint of white colour over black background with letters of size 50mm height x 50mm wide complete all as specified and directed for OH service tank upto 1000 ltrs capacity.

All as per item No. 49 above but OH service tank upto 25000 ltrs capacity

De-watering, removing all moses, algae and dirt from internal walls, floors & mouths of pipes of PVC overhead tanks (Service tanks) and cleaning with high pressure vacuum cleaner including removing of dirty water completely using sludge pump set and disposing off the same to a safe distance and applying of anti bacterial sterilization spray to internal surfaces using Zero bacterial compound by approved chemical including applying two coats of white wash to internal surfaces complete and writing the date of cleaning on outside of tank using synthetic enamel paint of white colour over black background with letters of size 50mm height x 50mm wide complete all as specified and directed for OH service tank upto 500 ltrs capacity.

All as per item No. 51 above but OH service tank exceeding 500 ltrs and not exceeding 1000 ltrs capacity.

All as per item No. 51 above but OH/UG /RCC service tank 2000 ltrs capacity

All as per item No. 51 above bu OH/ UG /RCC service tank 5000 ltrs capacity

De-watering of swimming pool, carefully removing all moses, algae and dirt from internal walls, floors & mouths of pipes of RCC reservoir/ under ground sump by using steel wire brush and cleaning with high pressure industrial vacuum cleaner including removing of dirty water completely using sludge pump set and disposing off the same to a safe distance and applying of anti bacterial sterilization spray to internal surfaces using Zero bacterial compound (Aqua-treat) or equivalent approved chemical including applying two coats of white wash to internal surfaces where is required complete and writing the date of cleaning on outside of tank/ sump using synthetic enamel paint of white colour over black background with letters of size 100mm height x 100mm wide complete all as specified and directed for 950000 ltrs capacities (swimming pool)of tanks/ sumps:

S&F and in repair PTMT ball valve, high pressure, with epoxy coated aluminium rod and high density plastic ball screwed for 15mm bore GI tubes, fixed in repairs, all as specified and as directed.

All as per item No. 56 above but for 20mm bore

All as per item No. 56 above but for 25mm bore

S & F PVC tank cover (top) with all fittings for rotational moulded polythelene water storage tanks (cylindrical vertical with closed top) suitable for 500 /1000 ltrs capacity, after taking out unserviceable water tank cover complete all as specified and as directed by Engr-in-Charge.

Supply only bleaching powder GD-1 with minimum available chlorine as 23.5%, packed in 25 Kgs capacity bag all as specified and as directed.

Supply and fix in position on roof of building/stage of any height ,1000 litres capacity rotational moulded polyethylene water storage tanks, of any description, 3 layer all as specified and as directed. Make Sintex.

All as per item No. 61 above but PVC water tank 500 ltrs capacity.

Supply and fix in repair flexible PVC braided pipe, heavy duty, 40mm dia with circlips/ clamps suitable for suction sweeper all as specified and as directed.

Supply only Nylon rope heavy duty (Manila type) of size 25mm dia all as specified and as directed.

Supply and fix, in reparir, Nylon brush suitable for suction sweeper, 2 feet x 2 inch size with necessary nuts, bolts, washers etc including removing unserviceable brush all as specified and as directed.

Supply and fix in repair Ball valve (Half round valve), brass, 15mm bore, all as specified and as directed. Make : Neta / Luster.

Supply anf fix in repair rubber gasket suitable for suction sweeper including MS flat strip support, bolts, nuts and washers complete, fixed in repairs all as specified and as directed.

Taking up or down GI pipes 40 mm dia with all fittings including cleaning for refixing or removal to store from floors, walls,treanches and roofs etc. all as specified and as directed.

All as per item No. 68 above but GI pipe 25 mm dia

All as per item No. 68 above but GI pipe 20 mm dia

All as per item No. 68 above but GI pipe 15 mm dia

Supply and fixing galvnised water tubes, medium grade,40 mm bore including all new fittings, laid in wall/ ceiling and floor complete of following sizes all as specified and as directed. Make Jindal

All as per item No 72 above but GI pipe 25 mm bore.

All as per item No 72 above but GI pipe 20 mm bore.

All as per item No 72 above but GI pipe 15 mm bore.

Supply and fix GI tank Nipple including dismantling and taking up unserviceable all as directed.

Supply & fixing in repair Gun-metal, globe or gate valves, heavy duty, with iron wheel head, screwed both ends (ISI marked) of size 15 mm including taking down complete all as specified & directed by Engr-in-Charge. MAKES –NETA/SIGMA/LEADER

All as per item No 77 above but 20 mm dia.

All as per item No 77 above but 25 mm dia.

All as per item No 77 above but 40 mm dia

Excavation in trenches not exceeding 1.5 m wide and not exceeding 1.5 m deep for laying of cables, pipes, foundation for poles etc. and getting out in hard/dense soil.

Returning, filling in, including spreading, levelling, watering and well ramming in layer not exceeding 25 cm thick complete in hard/dense soil.

Removal of surplus soil to a distance exc.50m and not exc 200 m and depositing at the location all as specified and directed by Engineer-in-Charge.

M&L for replacement of corroded valve chamber covers of any size fabricated from structural steel sections and 3 mm thick iron sheet with angle as per existing size locking arrangement incl painting two coats of black paint over a coat of red oxide primer all as directed

Relaying only GI tubing of medium grade 40 mm dia obtained from taking down above on walls/ ceiling including provision of new fittings complete in old/new location of following sizes all as specified and as directed.

All as per item No. 85 above but GI pipe 25 mm dia

All as per item No. 85 above but GI pipe 20 mm dia

All as per item No. 85 above but GI pipe 15 mm dia

Dismantling of cement concrete (unreinforced) any description and any position complete all as directed and specified.

Dismantling of brickwork or stone/ boulder masonry, cement mortar including all quoins, arches, pillars, plastering any description and destroy out side complete all as directed and specified.

M&L for plastering with cm of 1:4 for stone masonary or other surface and stage 10 mm thick complete all as specified and directed for vlave chambers for water tanks etc including necessary form work all as directed.

M&L Pre-cast cement concrete block masonry with solid block type B -1, 1:2:4 ( 20mm graded aggregate) with CM of 1:6 exc 10 mm width and setting in mortor complete all as specified and directed.

M & L for electric heat welded joints to HDPE pipes with and including HOT electrical welding plate complete for 110 mm DN bore pipes all as specified and as directed.

All as per item No.93 here in above but 90 mm bore all as directed and specified.

All as per item No.93 here in above but 63 mm bore all as directed and specified.

Material and labour for relaying of HDPE pipe 110 mm taken out from item No.132 here in above complete after cleaning all as directed.

Material and labour for relaying of HDPE pipe 90 mm DN taken out from item No.133 here in above complete after cleaning all as directed.

Material and labour for relaying of HDPE pipe 63 mm DN taken out from item No.134 here in above complete after cleaning all as directed.

Supply & fixing in repair bib tap stranded of PTMT ivory colour high pressure screwed for iron pipe to fixed complete all as specified & directed by Engr-in-Charge.

M&L for taking up Open well submersible (Horizontal type), dismantling & taking out old burnt winding, cleaning the slots and new re-winding of motor 10 HP 3 phase 415 volt with suitable gauge super enamelled copper winding wire and providing insulation materials such as fibre/ glass, complete including necessary transportation to work shop and bring back after repair/ rewinding all as specified and as directed by Engineer-in-Charge.

All as per item No.100 above but submersible monoblock pump set 3.0 HP all as specified and as directed by Engineer-in-Charge.

All as per item No.100 above but submersible monoblock pump set 2.0 HP 1 phase all as specified and as directed by Engineer-in-Charge.

All as per item No.100 above but motor 7.5 HP coupled with air blower all as directed and specified.

S & F flat 3 core PVC insulated, Submerssible multistranded copper conductor cable of size 2.5 sqmm including necessary connections including taking out old unserviceable submersible connection cable complete all as specified and as directed by Engineer - in - Charge. Make: Finolex

M&L for frame work such as grill, ladder/checkered plate and the like, using angle iron section for fabricating ladder of required size with steps including proper support angles, channels with building including two coat of water black bituminous paint and over one coat of red oxide and taking down old unserviceable grills, ladder etc all as directed and specified.

One coat of anti-corrosive bituminous paint on old painted surfaces of steel ladderin UG /OH tanks,

Supply and fix water pressure guage 0-7 kg/sqcm including dismantling unserviceable exisitng pressure guage complete all as specified and directed by Engineer-In-Charge. Make: as per existing

All as per item No.107 above but 100 mm dia rang 0 - 14 kg /sqcm

Supply and fix single phase preventer suitable for any capacity upto 20 HP pump sets including dismantling and taking up old unserviceable all as directed and specified by Eng-in-Charge. Make: L&T / Minilac

Supply and fix starter spares MK1 Relays of any range 0.6 A to 18 A includingg dismantling and taking up old unserviceable all as directed and specified by Eng-in-Charge. Make: L&T

All as per item No110 but starter spares MK1 combination coils of 230 /380 Volts.

All as per item No.110 but starter spares MK1 contactor coils of 230 /380 Volts

All as per item No.110 but starter spares MK1 thermal timer with out combination coil

All as per item No.110 but starter spares MK1 spare kit (4 set of contacts )

Supply and fix MNX 10 contactor (L&T), 3 pole, including dismantling and taking up old unserviceable all as directed and specified by Eng-in-Charge.

S & F MCCB, Triple pole, 25 to 100 Amps, adjustable type with 16 KA breaking capacity including dismantling of unserviceable MCCB, making electrical connections as required and testing all as directed by Engineer - in - Charge.

Dewatering, cleaning of FIDAS/UG sump at STP with high pressure water jet to remove all mosses, algae and dirt and removal of dirty water using sludge pump set/industrial vaccume cleaners and disposing of the same to a safe distance and including scrubbing of internal floor surface by using steel brush, removing of dirt,spread the bleaching powder aroun the tank completely and carefully remove the diffuser and after cleaning re connection of the diffusers ,testing the same including applying two coats of white wash to external and internal surface complete and writing in white colour the date of cleaning by using synthetic enamel paint over black back ground with letters of size 100mm height, 100mm wide complete all as specified and directed for FIDAS 50000 Ltrs capacity.

All as per item No.117 above but UG Raw water sump 100000 Ltrs capacity

All as per item No.117 above but UG sump 15000 Gallons (clarified water collection tank) capacity

All as per item No. 117 above but treated water UG Sump 100000 Ltrs capacity

Supply and fix ,in repair, fine bubble membrane diffuser of 0.6 mt long and 90mm outer dia including lifting ans lowering consisting of EPDM membranes with PVC grid pipes, supporting CC blocks to fix the fine bubble membranes including SS tee, hose nipple,collar, U clamps and teflon tape all as directed and specified by Eng-in-Charge.

Supply and fixing, in repairs, flexible braided hose pipe 20mm dia from air blower header to aeration tank including hose clamps etc all as directed and specified by Eng-in-Charge.

Supply and fixing, in repairs, 25mm dia brass ball valve in the diffuser line in clarifier chamber for controlling and supplying of aeration uinformly all as directed and specified by Eng-in-Charge.

Supply and fixing in repairs coarse bubble diffusers of size 0.5 mtr long and 90 mm OD,in cluding lifting and lowering supported by PVC pipe and fittings with CC ballast and SS clamps, nut, bolt, washer etc all as directed and specified by Eng-in-Charge.

Supply and fix, in repair, butter fly valves of 50mm dia in presure filter header lines or air blower delivery system as directed by Eng-in-Charge.

M&L for servicing of Air blowers, with replacing of ball bearings, oil seals and O rings,and replacement of gear oil, 2 Nos belt suitable for air blower motor and air filters and spray painting with approved/ existing colour all as specified & directed.

Material and labour for Opening the pressure sand filter of capacity 30000 ltr/Hr, 1.00 mt dia and 1.45 mt height by means of opening the top cover of filter and removing old used filter media includes various sizes of pebbles / fine and coarse sand complete to place near by not exceeding 15 mt. Cleaing of internal surfaces of filter for rusting and other accumaltaed deposists by scrubbing with wire bursh to smooth surface all as directed.

Supply only new fresh media for pressure sand filter as per the approved sample any size all as directed by Engineer-in-Charge for top up of lost sand media in pressure filter/ drying beds at STP plant.

Disconnecting electrical and water connections and cleaning fountain and ,water storage tank, removing deposited algae, servicing and refixing at the same position complete all as directed.

Supply and fix in repair shower nozzles 2.5mm size for fountain any location complete all as directed.

Dismantling and removing unserviceable multi colour changing water proofing submersible light fitting and fixing with new light fitting and making necessary connections, testing complete all as directed

Material and labour for Opening the pressure sand filter at swimming pool of capacity 120000 ltrs/Hr, opening the top cover of filter and removing old used filter media includes various sizes of pebbles / fine and coarse sand complete to place near by not exceeding 15 mt. Cleaing of internal surfaces of filter for rusting and other accumaltaed deposists by scrubbing with wire bursh to smooth surface all as directed.

Supply and filling new fresh gravels/ pebbles for pressure sand filter at swimming pool as per the existing strata shown below including testing and commissioning and obtaining desired out put water quality parametersby testing at NABL approved laboratory as per the instruction and satisfactory of Engineer in charge :- (a) 25 to 50 mm size pebbles from bottom - 10 cm depth (b) 12 to 25 mm size pebbles -7.5 cm depth (c) 6 to 12 mm size pebbles - 7.5 cm depth (d) 3 to 6 mm size pebbles (Silex) -7.5 cm depth (e) 1.5 to 3 mm size coarse sand -10 cm depth (f) 0.7 to 1.5 mm size fine sand -37.5 cm depth Note : In case the desired water quality parameters are not achieved the contractor shall arrange/alter the strata to ensure the quality parameters without any extra cost.

S&F in replacement of suction sweeper brush holder made out of MS sheet 2mm thick suitable for fixing 2 feet nylon brush and provided with 4 nos PVC moulded wheels of size 25mm dia on four corners of brush holder including providing rubber gasket of size 3mm thick all round the brush holder box fixed with suitable nuts,bolts,washers of GI and suitable handle for lifting/inserting the sweeper all as directed

Supply and fix PVC heavy duty braided hose 50mm dia with suitable clamps/circlips for suction sweeper complete

Supply and fix PVC heavy duty braided hose 25mm dia with suitable clamps/circlips for suction sweeper complete

S&F in repair CI butter fly valve 150mm dia heavy duty with rubber gasket complete

All as per item No.137 above but of size 100mm dia

All as per item No.137 above but of size 80mmdia

S&F in replacement Star delta starter of capacity upto10 HP 415 volts,50 c/s complet without enclosure Make L&T

Taking up/down HDPE pipes of 110mm OD and connected fittings from the trenches, including cleaning for refixing all as directed by Eng-in-Charge.

All as per item No 141 above but HDPE pipes 90 mm dia all as directed.

All as per item No. 14above but HDPE pipes 63 mm dia all as directed.

S & F HDPE pipes of pressure rating PN-6, 6 kgf/ sq.cm , PE-100,laid( outer dia 110mm) in trenches, with all fittings complete in old/new location of following sizes all as specified and as directed.

All as per item No-144 above but 90mm outer dia

All as per item No-144 above but 63mm outer dia

Material and labour for relaying of HDPE pipe 110 mm taken out from item No.141 above complete after cleaning all as directed.

Material and labour for relaying of HDPE pipe 90 mm taken out from item No.141 above complete after cleaning all as directed.

Material and labour for relaying of HDPE pipe 63 mm taken out from item No.141 above complete after cleaning all as directed.

Supply and fix, in repair, butter fly valves of 110mm dia in presuure filter header lines or air blower delivery system as directed by Eng-in-Charge.

All as per item No-150 above but 90 mm dia

All as per item No-150 above but 63 mm dia

M & L for electric heat welded joints to HDPE pipes with hot electrical welding plate complete for 110 mm bore pipes all as specified and as directed:-

All as per item No.153 above but 90 mm DN bore all as directed and specified.

All as per item No.153 above but 63 mm DN bore all as directed and specified.

All as per item No.153 above but 32 mm DN bore all as directed and specified.

M&L ball bearing for air blower motor of cap 7.5 HP all as specifide and as directed by Engineer -in charge.

M&L "O" ring for air blowers motor all as specifide and as directed by Engineer -in charge.

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