REPAIR/REPLACEMENT OF FILTER MEDIA, DECRINE DOSING PUMP, PUMP SETS AND ALLIED CONNECTED WORK AT RANGIA, CHANGSARI, TAMULPUR, DARRANGA AND HATTIGORH MILITARY STATION UNDER GE RANGIA

Amount

Dismantling the electric connection of decrine dosing pump and transporting from MES Pump House to workshop complete all as specified and as directed by Engineer-in-charge.

M&L for opening and checking of decrine dosing pump and replace the unserviceable components of decrine dosing pumps if required of existing make complete all as specified and as directed by Engineer-in-charge. Notes:- Spare Parts shall be measured and paid separately.

Supply only Ball ceramic (Part No 21449) of dosing pump.

Supply only Ring seal viton (Part No 013166) of dosing pump.

Supply only Spring (Part No 48452) of dosing pump.

Supply only Suction valve seat (Part no 013678) of dosing pump.

Supply only Anti syphon valve.

Supply only Special function valve (Part No 280803).

Supply only Low level switch (Part No. 270803).

Supply only Diaphrgam (Part No 41027).

Supply only discharge valve housing (Part No 41027).

Supply only foot valve assembly (Part No 17078).

Supply only Head (Part No 011779).

Re-assembling, commissioning & testing after repair of decrine dosing pumps and re-transportation from workshop to MES pump house including installation and electric connection complete all as specified and as directed by Engineer-in-charge.

S&F 100 litre rotational moulded polythene water storage tank 3 layers wall construction (cylindrical vertical & closed top, hoisted & fixed in positions including lid for chemical solution complete all as specified and as directed by Engineer-in-charge.

S&F TPL Poly Urethane 8 x 10mm pipe suitable for chemical purpose complete all as specified and as directed by Engineer-in-charge.

Supply and laying 15mm dia galvanized steel water tubing medium grade galvanized with all fittings laid in wall/floor complete all as specified and as directed by Engineer-in-charge.

M&L for opening of pressure type iron removal plant 6000 to 8000 GPH capacity and taking out and removing old filter media such as ferro, minex, PVC type strainer nozzles, carbo-felt, filter sand, gravel, grits, etc. from filtration plant and depositing to a distance not exceeding 50m complete all as specified and as directed by Engineer-in-charge.

M&L for preparation of internal steel surfaces and pressure type iron removal filtration plant 6000 to 8000 GPH capacity by scraping with wire brush and removing all dust, scales and other foreign particles and thoroughly washing with clean water and after drying apply two coats of anti-corrosive black bituminous paint suitable for drinking purpose on entire internal surfaces (except glavanised surfaces) of filtration plants complete all as specified and as directed by Engineer-in-charge.

S&F push fit PVC strainer nozzles 12 mm dia complete all as specified and as directed by Engineer-in-charge.

Supplying and charging in layers special coarse sand suitable for use in filtration plant of size 1/8" x 1/16" mesh complete all as specified and as directed by Engineer-in-charge.

Supplying and charging in layers special coarse sand suitable for use in filtration plant of size 16 x 32 mesh mesh complete all as specified and as directed by Engineer-in-charge.

Supplying and charging in layers new washed, cleaned, dust free graded gravels filter media suitable for use in filtration plant of the size 12 mm to 20 mm complete all as specified and as directed by Engineer-in-charge.

Supplying and charging in layers new washed, cleaned, dust free graded gravels filter media suitable for use in filtration plant of the size 6 mm to 12 mm complete all as specified and as directed by Engineer-in-charge.

Supplying and charging in layers new washed, cleaned, dust free graded gravels filter media suitable for use in filtration plant of the size 3 mm to 6 mm complete all as specified and as directed by Engineer-in-charge.

Supply and charging in layers manganese dioxide (MnO2) treated charcoal in lumps of sizes 20 mm to 15 mm containing at least 65% of manganese, suitable for use in filtration plant complete all as specified and as directed by Engineer-in-charge.

Supply and charging in layers carbofil in lumps suitable for use in filtration plant complete all as specified and as directed by Engineer-in-charge.

M&L for preparation of old painted external surfaces alongwith connected external steel components of pressure type iron removal filtration plant 6000 to 8000 GPH capacity by scrapping and applying two coats of blue synthetic enamel paint over a coat of red oxide primer complete all as specified and as directed by Engineer-in-charge.

S&F in repair 25 mm air release valve with adopter complete all as specified and as directed by Engineer-in-charge.

S&F in repair water pressure gauge, dial type (100mm dia) suitable for fixing to 100mm bore pipe line including all fittings such as ‘U’ bend with brass cock nipple, adopter and other accessories required, for pressure rating of 0 to 20 Kgs/Sqcm complete all as specified and as directed by Engineer-in-charge.

S&F in repair of diaphragm valve both ends flanged and drilled for 80/100 mm bore GI pipe including rubber gasket, nuts, bolts and washer complete all as specified and as directed by Engineer-in-charge.

S&F in repair 100 mm dia C.I. Venturi both ends flanged including rubber gasket, nuts, bolts and washer complete all as specified and as directed by Engineer-in-charge.

S&F in repair short bends GI pipe medium grade 80mm dia complete all as specified and as directed by Engineer-in-charge.

S&F in repair 80mm bore GI pipe medium grade each not exceeding 30cm long with flanged both ends and fixed to existing inlet, outlet and back wash connections with required size of bolts, nuts and washer with 3mm thick rubber gasket complete all as specified and as directed by Engineer-in-charge.

M&L for attending emergency breakdown of water supply installation where & when directed taking out defective submersible pump set including column pipes from bore well including transportation of userviceable pump set to Civil Work shop and service the pump set including replacement of unserviceable minor spare parts and transporting back the serviceable pump set from MES Store Yard to work site and lowering the pump set including column pipes and making water and electric connections as per existing for running of pump motors complete all as specified and as directed by Engineer-in-charge.

M&L for attending emergency breakdown of water supply installation where & when directed, taking out defective mono block / centrifugal pumping set of any capacity between 10HP to 12.50 HP by disconnecting of water and electric connection including transportation of userviceable pump set to Civil Work shop and service the pump set including replacement of unserviceable minor spare parts and installation of serviceable pump set in existing position and connecting water and electric connection as per existing for running of pump set complete all as specified and as directed by Engineer-in-charge.

M&L for attending emergency breakdown of water supply installation where & when directed, taking out defective mono block / centrifugal pumping set of any capacity between 20HP to 50 HP by disconnecting of water and electric connection including transportation of userviceable pump set to Civil Work shop and service the pump set including replacement of unserviceable minor spare parts and installation of serviceable pump set in existing position and connecting water and electric connection as per existing for running of pump set complete all as specified and as directed by Engineer-in-charge.

Dismantling the submersible pump motor of 10/12.5/15 HP capacity and rewinding of submersible pump motor using super enameled copper winding wire as per original runs and varnishing with good quality varnish, opening and re-assembling the motor after replacing unserviceable spare parts and testing complete all as specified and as directed by Engineer-in-charge. Note - Spare parts shall be measured & paid separately.

Supply only the following items suitable for use for 3 phase submersible pump motor of capacity 10HP/12.50 HP/15 HP of make CALAMA :-

Key for motor coupling

CI clip thrust bearing locking part

Pin for motor base part

Pin for thrust bearing

Cable clip for motor

Upper housing

Lower housing

Bearing bush gun metal

Upper flage

Lower flange

Cable seal rubber gromate

Mitchel thrust bearing gunmetal V6

Thrust bearing housing

Steel washer for rocker support

Rocker support motor base 20 mm

Rotor sleeve 32 mm

Rotor sleeve 40 mm

Half coupling motor

Stud for upper flange stainless steel

Stud for lower flange

Sealing ring

Motor flange coupling

Roter for V6/20HP motor model

Dismantling the submersible pump motor of 20 HP capacity and rewinding of submersible pump motor using super enameled copper winding wire as per original runs and varnishing with good quality varnish, opening and re-assembling the motor after replacing unserviceable spare parts and testing complete all as specified and as directed by Engineer-in-charge. Note - Spare parts shall be measured & paid separately.

Supply only the following items suitable for use for 3 phase submersible pump motor of capacity 20 HP type Q-64 of make CALAMA :-

Cable guard for VI/VIII stage Part No AC 55550/AC 75550

Intermediate piece for pump part No AC 02050

Stage casing part No AC 01450

Discharge outlet part No AC 01350

Neck ring part No AC 01850

Counter thrust bearing Part No AB 03950

Sand guard cast iron part No AC 03550

Gunmetal impeller for Q-64 Part No AC 42450

Stainless steel key for impeller (pump shaft) AB 06800

Upper sleeve for shaft Part No AB 0415

Bush distance middle (GM) Part No AB 03250

Shaft sealing bush part No AC 04450

Half coupling pump, Part No AC 04750

Bearing bush upper AB 03750

Bearing bush middle AB 03750

Rubber 'O' ring for shaft sealing bush, part No AB 09200

Suction strainer part No AC 05650

Rocker support for motor coupling part No AB 06000

NRV cone with steam, part No AC 02150

Ring insert for NRV part No AC 02250

Rubber ring for NRV part No AC 08900

Adjusting cap part No AC 02850

Castle bush lower part No AB 03850

Pump shaft Gunmetal of appropriate size.

M&L for repair to booster pump set of capacity 10 to 12.50 HP of make : CALAMA/KSB with electric motor three phase including dismantling, grinding, polishing of shaft impeller, bearing housing, gland bush, gland cup, nut-bolts etc. as required to be repaired/replaced complete all as specified and as directed by Engineer-in-charge.

M&L for repair to booster pump set of capacity 15 to 20 HP of make : CALAMA/KSB with electric motor three phase including dismantling, grinding, polishing of shaft impeller, bearing housing, gland bush, gland cup, nut-bolts etc. as required to be repaired/replaced complete all as specified and as directed by Engineer-in-charge.

M&L for repair to booster pump set of capacity 30 to 40 HP of make : CALAMA/KSB with electric motor three phase including dismantling, grinding, polishing of shaft impeller, bearing housing, gland bush, gland cup, nut-bolts etc. as required to be repaired/replaced complete all as specified and as directed by Engineer-in-charge.

Supply only following spare parts for 3 phase induction motor and mono-block pump of different capacity for incorporating against item No 37 here in before :-

Ball bearing suitable for 20 HP induction motor

Ball bearing suitable for 30 to 40 HP induction motor

Cast iron impeller for 15 to 20 HP mono block pump as per existing.

Cast iron impeller for 30 to 40 HP mono block pump as per existing.

All as per serial tem No. 38 here-in-before but winding of stator induction motor working on AC 3 Phase 440 volts for monoblock pump set of the 30 to 40 HP capacity with bare copper winding wire of appropriate existing gauge complete all as per specified and as directed by Engineer-in-charge.

All as per serial tem No. 38 here-in-before but winding of stator induction motor working on AC 3 Phase 440 volts for monoblock pump set of the 15 to 20 HP capacity with bare copper winding wire of appropriate existing gauge complete all as per specified and as directed by Engineer-in-charge.

All as per serial tem No. 38 here-in-before but winding of stator induction motor working on AC 3 Phase 440 volts for monoblock pump set of the 10 to 12.50 HP capacity with bare copper winding wire of appropriate existing gauge complete all as per specified and as directed by Engineer-in-charge.

M&L for rewinding of stator of submersible motor of the 20 HP capacity with water proof insulated copper wire of existing guage to achieve the specified/required RPM including taking out old unserviceable winding complete all as per specified and as directed by Engineer-in-charge.

Disconnecting of defective Air compressor from the pump house including motor of any type and size from Compressor along with PVC pipe including disconnection electric connection as required and transportation of Compressor to Guwahati for repair complete all as per specified and as directed by Engineer-in-charge.

M & L for dismantling following spare parts of Air Compressor and motor and separating the unserviceable parts cleaning the serviceable parts, machinery polishing and re-assembling including replacement of old parts and necessary painting apply spray paint with two coat of synethetic enamel paint over a coat of red oxide primer complete all as per specified and as directed by Engineer-in-charge. Note - Spare parts shall be measured and paid separately.

Supply only following spare parts for air compressor for incorporating against item No 55 here in before :-

Piston

Piston Ring

Lineer

Piston head repairing

Bearing

Gear oil

Compressor Air meter

Nozzel (Air)

Gate valve 1/2

Pre Nylon Havy duty pipe 1/2''

Fan belt

Wheel

Motor Winding complete

M & L for developing tube well of bore hole Size 250 x 150 mm with air compressor of suitable capacity till sand/mud free water of portable quantity is obtaind and to achive maximum dicharging capacity of 25000 GPH with acessorieses and labour and equipment arrangement by the contractor complete all as specified and as directed by Engineer-in-charge.

M&L for raw/treated water analysis test regarding chemical examination and portability test from Govt/registered Govt. Labotoray complete complete all as specified and as directed by Engineer-in-charge.

S&F single phase preventer including taking out of existing unserviceable single phase preventer and testing complete complete all as specified and as directed by Engineer-in-charge.

Dismantling the centrifugal pump set of 40 HP and replace the unserviceable/defective parts and re-assemble the pump set and testing complete all as specified and as directed by Engineer-in-charge. Note - spare parts shall be measured and paid separately.

Supply only following spare parts for centrifugal pump set for incorporating against item No 60 here in before :-

Ball bearing double Z type No 6305

Impeller CI 65/20 model

Shaft stainless steel along with key and check nut model 65/20

Rubber coupling No 225

Shaft bush model 65/20

Supply and lowering of 6 Sqmm size flat submersible cable PVC copper conductor cable, 3 core, 1100 Volt grade, heavy duty, 415 Volt, 50 Hz, confirming to IS 694/1990, complete all as per specified and as directed by Engineer-in-charge.

Supply and lowering of 10 Sqmm size flat submersible cable PVC copper conductor cable, 3 core, 1100 Volt grade, heavy duty, 415 Volt, 50 Hz, confirming to IS 694/1990, complete all as per specified and as directed by Engineer-in-charge.

Supply and lowering in repair of MS column pipe 10 feet long both side flange, duly welded heavy duty 'C' grade of size 100 mm dia including nuts, bolts, washer and gasket etc. complete all as per specified and as directed by Engineer-in-charge.

Supply and lowering in repair of MS column pipe 10 feet long both side flange, duly welded heavy duty 'C' grade of size 80 mm dia including nuts, bolts, washer and gasket etc. complete all as per specified and as directed by Engineer-in-charge.

S&F in repair automatic star delta starter suitable for 15 HP pump set 3 phase, 415 volts, 50 Hz, complete all as per specified and as directed by Engineer-in-charge.

S&F in repair automatic star delta starter suitable for 20 HP pump set 3 phase, 415 volts, 50 Hz, complete all as per specified and as directed by Engineer-in-charge.

S&F in repair automatic star delta starter suitable for 30 to 40 HP pump set 3 phase, 415 volts, 50 Hz, complete all as per specified and as directed by Engineer-in-charge.

S&F in repair Butterfly valve suitable for 100 mm bore pipe including all jointing materials required like bolts, nuts and washers etc. complete including dismantling unserviceable one, complete all as per specified and as directed by Engineer-in-charge.

S&F CI non return valve 80 mm dia both end flanged, horizontal type confirming to IS 5312 complete with all acessories such as jointing materials 3 mm thick rubber gasket, bolts, nuts, washers, etc. complete all as per specified and as directed by Engineer-in-charge.

Supply and fixing 3 mm thick MS sheet cover plate with locking arrangement existing valve pit including painting and removing of old rusted MS cover complete all as per specified and as directed by Engineer-in-charge.

S&F CI Foot valve suitable for 100 mm dia pipe complete with all acessories complete all as per specified and as directed by Engineer-in-charge.

S&F mild steel frontal pipe 100 mm bore heavy duty with flange welded of any length including taking down existing pipe complete all as per specified and as directed by Engineer-in-charge.

S&F Auto level controller (Model ALC mk-I) including probe unit, five stage magnetic sensor concealed in SS casing of required length, controlling box inculding system incoporate with stage signal, high & low level alarm, pump automation etc (without wire from probe unit controller) complete all as per specified and as directed by Engineer-in-charge.

S&F 1.5 sqmm multi core copper controlling cable including PVC conduit for controller box complete all acessories complete all as per specified and as directed by Engineer-in-charge.

Material and labour installation sign boards and Acrylic sheet background of size 120 cm x 60 cm including required supporting material i.e. MS clamps, strips, nuts-bolts, washers, along with lettering with sodium sheet material on acrylic sheet with supply & fixing FTL 1x 36 Watt (with electronic choke) - 02 No & wiring complete as required as per sample) including 2.50 mtr long GI pipe-02 nos and taking down of old unserviceable sign board complete all as per specified and as directed by Engineer-in-charge.

M&L mild steel work for sign board of size 18 feet x 2.95 feet made out of mild steel black sheet 2.0 mm thick cut to size including welding to join the sheet with mild steel square bars 25x25 mm on all sides top and bottom with screw end to facilitate hanging of mild steel sheet on 2 nos GI tubing post of height 5 meter from ground including supporting pipe and applying 2 coat of synthetic enamel paint over a coat of red oxide zinc chrome primer on steel surface including taking down of old unserviceable signed board complete all as per specified and as directed by Engineer-in-charge.

S&F PVC insulated 1100 volts grade 2 core 6 Sqmm heavy duty cable aluminium stranded conductor served with an inner sheathing of PVC tape armoured with galvanised steel wire or tape and overall PVC sheathed for aviation light/glow sign board including testing complete all as per specified and as directed by Engineer-in-charge.

S&F Aluminium strip 25 x 3 mm with saddle and insulator for lightning conductor for overhead reservoir complete all as per specified and as directed by Engineer-in-charge.

S&F LED Aviation Light yellow painted die-cast aluminium alloy housing, red coloured suitable to 230 V AC protection weather proof IP55 complete all as per specified and as directed by Engineer-in-charge.

Supply and fixing joist 200 mm x 100 mm, flange size and 7.10 mm thick web size grade Fe-410-S including one coated of black paint after taking down old rusted joist complete all as per specified and as directed by Engineer-in-charge.

M&L for cement concrete as in foundation filling or mass concrete PCC (1:4:8) type D-2 (40 mm grade stone aggregate) complete all as per specified and as directed by Engineer-in-charge.

Demolition of brick foundation in ground floor complete all as per specified and as directed by Engineer-in-charge.

M&L for brick work with Sub Class 'B' bricks straight or curved on plain exceeding 6 meter mean radius in cement mortar (1:4) complete all as per specified and as directed by Engineer-in-charge.

M&L for providing cement concrete PCC (1:2:4) type B-1 using 20 mm graded stone aggregate as in cills, bed plate, coping, etc. complete all as per specified and as directed by Engineer-in-charge.

M&L for rendering 15 mm thick in CM 1:4 on fair faces of brick work on concrete surface and even smooth (without using extra cement) complete all as per specified and as directed by Engineer-in-charge.

Supply and fixing gland packing for pumps, sluice valve etc complete all as per specified and as directed by Engineer-in-charge.

S&F 80 mm dia Gun Metal Gate Valve with iron wheel head, screwed both ends including all acessories complete all as per specified and as directed by Engineer-in-charge.

S&F 50 mm dia Gun Metal Gate Valve with iron wheel head, screwed both ends including all acessories complete all as per specified and as directed by Engineer-in-charge.

Supply and fix for sluice valve cast iron body class PN-1 grade brass spindle both end flanged and GM valve sheet and iron wheel confirming to IS:14846 including all materials requried such as 3 mm thick rubber gasket , bolts, nuts,washer,drilled suitable for bore of pipe 100 mm ISI marked complete all as per specified and as directed by Engineer-in-charge.

M&L for cutting vegetation and surface dressing at E/M installations not exceeding 15 cm deep including removing the materials to a distance not exceeding 50 m complete all as per specified and as directed by Engineer-in-charge. Note:- The contract sum shall be calculated by deducting the amount shown in Credit Schedule attached to this tender, from total amount of Schedule 'A'/BOQ.

MS Gautam Construction and CO