REPAIR/MAINT OF PRESSURE FILTERS, SEWAGE TREATMENT PLANT, SWIMMING POOL, CHLORONOMES, CERTAIN MISCELLANEOUS WATER SUPPLY WORKS AND TREATED WATER TO STP, CLEANING OF OVER HEAD TANKS/UNDERGROUND SUMPS, RESIDENTIAL SERVICE WATER TANKS ETC AT HQ TRAINING

Amount

Comprehensive repairs and servicing of chlronome plants pump house, STP and swimming pool make satiya sai gaseous type (Gravity feed ) of capacity 100 gms to 1000 gms per hour at HQTC all as specified as directed. Notes: Spares parts are measeured separately.

Supply and fix butterfly valve of size 100mm dia with complete fitting SI marked, with bolts and nuts and washers including providing rubber insertion of suitable thickness complete ncluding taking out existing unserviceable sluice valves all as specified and as directed.

Supply and fix butterfly valve of size 150mm dia with complete fitting SI marked, with bolts and nuts and washers including providing rubber insertion of suitable thickness complete ncluding taking out existing unserviceable sluice valves all as specified and as directed.

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

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

Supply & fix Silicon oil seal, Diaphragm type, fully SS and PTFE lining all as specified and as directed. Make: Sathya Sai or equivivalent Make

Supply & fix ''Mixing chamber upper plate '' for gaseous chlorine dosing system.

Supply & fix Primary filter for gaseous chlorine dosing system.

Supply & fix pressure guage for gaseous chlorine dosing system.

Supply & fix U bend '' for gaseous chlorine dosing system.

Supply & fix ''gas bend'' for gaseous chlorine dosing system.

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

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

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

Supply only aluminium sulphate (A 1203-17% 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 hydrated lime powder of superior quality for water purification 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 only Nylon rope heavy duty (Manila type) of size 25mm dia as approved all as specified and as directed.

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.

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 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/down rusted/damaged/unserviceable GI tubing with all fittings including cleaning for re-fixing or removal to stors of size 100mm dia

All as per item No 26 here in above but 80mm dia

All as per item No 26 here in above but 50mm dia

All as per item No 26 here in above but 40mm dia

All as per item No 26 here in above but 25mm dia

All as per item No 26 here in above but 20mm dia

All as per item No 26 here in above but 15mm dia

Supply & fixing GI tubing medium grade galvanised with all fittings including short lengths, laid in trenchs/floors/wall complete with all fittings( such as bends, elbows, Tee, short pieces, connectors, back nuts, diminishing pieces, caps and plugs, unions etc.) all as specified of sizes 100mm dia MAKE:- JINDAL/TATA / PARKASH

All as per item No 32 here in above but 80mm dia

All as per item No 32 here in above but 50mm dia

All as per item No 32 here in above but 40mm dia

All as per item No 32 here in above but 25mm dia

All as per item No 32 here in above but 20mm dia

All as per item No 32 here in above but 15 mm dia.

Supply & fixing Gun-metal, globe or gate valves, heavy duty, with iron wheel head, screwed both ends (ISI marked) including taking down 15 mm dia complete all as specified & directed. MAKES – SEIKO/JINDAL/LEADER

All as per item No 40 here in above but 15 mm dia.

All as per item No 40 here in above but 20 mm dia.

All as per item No 40 here in above but 25 mm dia.

All as per item No 40 here in above but 40 mm dia

All as per item No 40 here in above but 50 mm dia

All as per item No 40 here in above but 80 mm dia

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 (b) 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.

M & L for repair, servicing of LT panel boards at swimming pool installation with switch gears consisting of Incoming MCCB, TPN, 100A and Outgoings of MCCBs , TPN 63A -02 Nos , Pump set starters 10 HP and connected accessories as specified / comprising the following tasks :- (i) Cleaning with blower (ii) Cleaning with CTC/Petrol (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 one coat of painting of pressure sand filter at swimming pool of size 2.0 M dia and 1.5 M height outer surface area & Complete frontal MS pipe line of 200mm dia inlet and outlet of pressure sand filter with synthetic enamel paint of existing colour including preparation of old painted surface all as directed.

Supply and fix sluice valve, cast iron body,200mm dia with stainless steel spindle, 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.

All as per item No 50 above but 150 mm bore all as directed and specified.

Supply and fix Non return valve, heavy duty, ISI Marked, PN –1.6, both end flanged, suitable to fix with 200mm bore CI pipe line including taking down existing unserviceable non return valve all as specified and as directed.

All as per item No 52 above but 150 mm bore all as directed and specified.

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

Supply and fix Foot valve, 150mm bore, CI body with hard rubber gasket all as specified and as directed.

Supply and fix Foot valve, 100mm bore, CI body with hard rubber gasket all as specified and as directed.

Material and labour for Opening the pressure sand filter of capacity 120000 ltr/Hr, 2.10 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.

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 all as specified and directed.

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.

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 (Aqua-treat 8888) or equivalent approved chemical including applying two coats of white wash to internal surfaces 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 breadth complete for OH Reservoir 1,00,000 Gallons capacity with 98 feet staging all as directed and specified.

All as per item No.61 here in above but OH Reservoir 50,000 Gallons capacity with 65 feet staging

All as per item No.61 here in above but OH Reservoir 10,000 Gallons capacity with 60 feet staging

All as per item No.61 here in above but UG sump 1,50,000 Gallons capacity

All as per item No.61 here in above but UG sump 75,000 Gallons capacity

All as per item No.61 here in above but UG sump 1,00,000 Litres capacity

All as per item No.61 here in above but UG sump of swimming pool 40,000 Litres capacity

All as per item No.61 here in above but Under Ground Sump 50,000 gallons capacity (MAP)

All as per item No.61 here in 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 (Aqua-treat 8888) or equivalent 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 breadth complete all as specified and directed for OH service tank upto 500 ltrs capacity.

All as per item No.70 here in 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 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 8888) or equivalent 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 breadth complete all as specified and directed for OH service tank upto 500 ltrs capacity.

All as per item No.72 here in above but OH service tank exceeding 500 ltrs and not exceeding 1000 ltrs capacity.

All as per item No.72 here in above but OH service tank 2000 ltrs capacity

All as per item No.72 here in above but OH service tank 5000 ltrs capacity

De-watering of swimming pool, 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 8888) or equivalent approved chemical including applying two coats of white wash to internal surfaces 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 breadth complete all as specified and directed for 950000 ltrscapacities (swimming pool)of tanks/ sumps:

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.77 here in above above but for 20mm bore GI tubes

All as per item No.77 here in above but for 25mm bore GI tubes

S & F PVC tank cover (top) for rotational moulded polythelene water storage tanks (cylindrical vertical with closed top) suitable for 500 /1000 ltrs capacity, after taking out unserviceable syntex water tank cover complete 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 and fix in position on roof of building of any height ,1000 litres capacity rotational moulded polyethylene water storage tanks, of any description, 3 layer including dismantling and taking out the existing unserviceable PVC tank all as specified and as directed.

All as per item No.82 here in 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 as approved 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, s 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.

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

M & L for repair, servicing of LT panel boards for Air blowers and sewage pump set at STP blower room with switch gear , starters and connected accessories as specified / comprising the following tasks at HQTC pump house :- (i) Cleaning with blower (ii) Cleaning with CTC/Petrol (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.

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

All as per item No.91 here in above but submersible Mono block pump set 2.0 HP all as directed and specified.

All as per item No.91 here in 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. 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 as conforming to Fe-290, Gde-E-165 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 ladder, rising mains, delivery, over flow and wash out pipe lines, of any description over 10cm width or girth including necessary preparation of surfaces Note: Painting to be carried out to OH reservoir any capacity and upto 24 metres staging.

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 . 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 . Make: L&T

Supply and fix starter spares MK1 combination coils of 230 /380 Volts includingg dismantling and taking up old unserviceable all as directed and specified . Make: L&T

Supply and fix starter spares MK1 contactor coils of 230 /380 Volts includingg dismantling and taking up old unserviceable all as directed and specified . Make: L&T

Supply and fix starter spares MK1 Push button unit including dismantling and taking up old unserviceable all as directed and specified . Make: L&T

Supply and fix starter spares MK1 thermal timer with out combination coil including dismantling and taking up old unserviceable all as directed and specified .Make: L&T

Supply and fix starter spares MK1 spare kit (4 set of contacts ) including dismantling and taking up old unserviceable all as directed and specified . Make: L&T

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

S & F MCCB, Triple pole, 100 Amps, adjustable thermal and magnetic setting with 16 KA breaking capacity conforming to IS 13947. including dismantling of unserviceable MCCB, making electrical connections as required and testing all as directed.

S & F MCCB, Triple pole, 50 Amps, adjustable thermal and magnetic setting with 16 KA breaking capacity conforming to IS 13947. including dismantling of unserviceable MCCB, making electrical connections as required and testing all as directed.

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 completely and 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. 107 here in above but UG Raw water sump 100000 Ltrs capacity all as specified and directed.

All as per item No. 107 here in above but UG sump 15000 Gallons (clarified water collection tank) capacity all as specified and directed.

All as per item No. 107 here in above but treated water UG Sump 100000 Ltrs capacity all as specified and directed.

Supply and fix ,in repair, fine bubble membrane diffuser of 1mt long and 90mm outer dia 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 .

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 .

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 .

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

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

M&L for servicing of Air blowers, with replacing of ball bearings, oil seals and O rings and replacement of gear oil 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 specified and directed for top up of lost sand media in pressure filter/ drying beds at STP plant complete.

Disconnecting electrical and water connections and cleaning fountain PVC water storage tank of capacity 500lt, 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 at P-101 staircase complete all as directed.

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

Supply and fix in repair Nylon wire adjusters including connecting with nylon ropes complete all as directed.

Dismantling the filteration units-2Nos from the swimming pool and removing the unserviceable filter media (sand) complete and disposing off. Supply and fill filter media (sand) of different coarse at different levels as specified by manufacturer and all as directed. Note: Pressure filters will be tested on replacement of filter media all as specified and directed.

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

S&F CI butter fly valve 80mm dia heavy duty with rubber gasket complete all as directed.

S&F Star delta starter of capacity 10 HP 415 volts, 50 c/s complet without enclosure in repair complete all as specified and directed.

S&F Pressure gauge 65mm dia 0-7 Kg /sqcm in repair complete all as specified and directed.

S&F Aluminium pipe heavy duty 25mm dia 5.0mtr long fixed with nylon brush of suitable size at one end and handle grip on the other end for scrubbing swimming pool wall tiles/floor fixed in repair all as specified and as directed

Sub main wiring with 2 runs of 4 sqmm and one run of 2.5 sqmm PVC insulated cable with copper conductor 1100 volts grade unsheathed multistranded and drawn into PVC caping and caping/conduit(casing and caping/conduit and accessories measured seperately) for one two pin earth plug and socket out let all as specified and directed. Note: Two single runs of 4 sqmm cable and one run of 2.5 sqmm cable shall be measured as one unit length

S&F Non metallic PVC conduit/casing and caping of size 20mm dia exclusive of boxes(junction/terminal) but inclusive of all bends, tees, reducers, elbows and fixing accessories all as specified and directed

Taking up/down HDPE pipes of 110mm OD and connected fittings from the trenches all as directed .

All as per item No.132 above but HDPE pipes 90 mm dia all as directed.

All as per item No.132 above but HDPE pipes 63 mm dia all as directed.

All as per item No.132 above but HDPE pipes 32 mm dia all as directed.

S&F HDPE pipes of pressure rating PN-6, 6 kgf/sqcm, PE-100,laid in trenches, with all fittings complete in old/new location of following sizes all as specified and as directed. Note : Excavation and earth work where required shall be measured and paid separately under relevant items of this Schedule.

All as per item No. 136 here in above but 90mm DN outer dia complete all as specified and directed.

All as per item No. 136 here in above but 63mm DN outer dia complete all as specified and directed.

All as per item No. 136 here in above but 32mm DN outer dia complete all as specified and directed.

Material and labour for relaying of HDPE pipe 110 mm DN 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.

Material and labour for relaying of HDPE pipe 32 mm DN taken out from item No.135 here in 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 .

All as per item No.144 here in Above but 90 mm dia complete all as specified and directed.

All as per item No. 144 here in Above but 63 mm dia complete all as specified and directed.

All as per item No. 144 here in Above but 32 mm dia complete all as specified and directed.

M&L for masonry valve pit of size 600x600x600mm internal size complete with excavation, earth work and brick work in CM 1:6, 15mm thick plastering in CM 1:4 internally including 5mm thick MS Sheet cover and angle iron frame of suitable size and two coats of synthetic enamel paint over one coat of red oxide primer complete with locking arrangement all as specified and shown on drg for sluice valve of size 50mm dia. complete.

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.149 here in above but 90 mm DN bore all as directed and specified.

All as per item No.149 here in above but 63 mm DN bore all as directed and specified.

All as per item No.149 here in above but 32 mm DN bore all as directed and specified.

GM Construction Co.

P K CONSTRUCTIONS

SAPTHAGIRI CONSTRUCTIONS

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