GEAFU-83/2025-26 REPAIR /MAINT OF RISING/ DISTRIBUTION CI/GI/DI/PPR LINE, VALVE PIT CHAMBER / SLUICE VALVE AND WATER BOWSER ALONGWITH CONNECTED E/M ITEM WORK FOR WATER SUPPLY AT AF STN NATHATOP

Taking down rusted/unserviceable of any grade and size and any type including all fittings such as bend elbow. Tee of size 100 mm to 50 mm complete all as specified and directed.

Taking down rusted/unserviceable of any grade and size and any type including all fittings such as bend ,elbow. Tee of size 40 mm to 20 mm complete all as specified and directed.

S&F Steel water tubing medium grade galvanised ( ISI marked) with all fittings such as bends, elbows, Tee, short pieces, connectors back nuts, diminishing pieces, caps and plug, unions etc) all as specified of following sizes:-

100 mm dia

80 mm dia

50 mm dia

40 mm dia

25 mm dia

20 mm dia

Supply and fixing of gun metal globe / gate valve (ISI) marked with iron wheel head, screwed both ends for iron pipe complete all as specified and as directed for the following sizes:-

50 mm dia

40 mm dia

25 mm dia

20 mm dia

M&L GI union heavy duty as per existing make complete all as specified and as directed for the following sizes:-

50 mm dia

40 mm dia

25 mm dia

20 mm dia

M&L GI Nipple heavy duty as per existing make complete all as specified and as directed for the following sizes:-

50 mm dia

40 mm dia

25 mm dia

20 mm dia

M&L GI Socket heavy duty as per existing make complete all as specified and as directed for the following sizes:-

50 mm dia

40 mm dia

25 mm dia

20 mm dia

M&L GI Elbow heavy duty as per existing make complete all as specified and as directed for the following sizes:-

50 mm dia

40 mm dia

25 mm dia

20 mm dia

M&L GI Bend heavy duty as per existing make complete all as specified and as directed for the following sizes:-

50 mm dia

40 mm dia

25 mm dia

20 mm dia

Taking down PPR /GI/MS Pipe of any grade and size including all fittings such as bend, elbow, tee of size 110 mm to 63 mm complete all as specified and directed.

Taking down PPR /GI/MS Pipe of any grade and size including all fittings such as bend elbow. Tee of size 40 mm to 50 mm complete all as specified and directed.

Taking down PPR /GI/MS Pipe of any grade and size including all fittings such as bend elbow. Tee of size 32 mm to 25 mm complete all as specified and directed.

Supply and lay 3- layer PP-R Polypropylene random copolymer) concealed pipes SDR 6 (PN 20) UV stabilized and antimicrobial fusion welded having thermal stability for hot & cold water supply all PP-R plain & brass threaded polypropylene random fittings laid in trenches including all PPR brassfittings as required complete of the following sizes. Make : SFMC or equivelant to Supreme/Prince

110 mm outer dia

90 mm outer dia

63 mm outer dia

50 mm outer dia

40 mm outer dia

32 mm outer dia

25 mm outer dia

M&LPPR gate valve (Brass insert) with brass wheel head, screwed both ends from the PPR pipe line complete all as specified and as directed for the following sizes:-

63 mm outer dia

50 mm outer dia

40 mm outer dia

32 mm outer dia

25 mm outer dia

M&L PPR Socket complete all asspecified and as directed for the following sizes:-

110 mm outer dia

90 mm outer dia

63 mm outer dia

50 mm outer dia

40 mm outer dia

32 mm outer dia

25 mm dia

M&L PPR Elbow complet all as specified and as directed for the following sizes:-

110 mm outer dia

90 mm outer dia

63 mm outer dia

50 mm outer dia

40 mm outer dia

32 mm outer dia

25 mm dia

Supply, install, testing and commissioning of centrifugal motor mounted on common base plate foundation with discharge pumping 1180 LPM at 70 Mtr head directly coupled with electric motor of capacity 30 HP complete with all accessories complete all as specified and directed comprising the following :- Make : Kirloskar Model No or equivelant to Beacon/Crompton/Bharat Bijli (i) Rain guard protection for pumps with aluminium of non corrasive sheet. (ii) Necessary power cable and control cable as per suitable length for connection.

Supply, install, testing and commissioning of centrifugal pumping set mounted on common base plate foundation with discharge pumping 1180 LPM at 70 Mtr head directly coupled with electric motor of capacity 30 HP complete with all accessories complete all as specified and directed comprising the following :- Make : Kirloskar Model No or equivelant to Beacon/Crompton/Bharat Bijli (i) Rain guard protection for pumps with aluminium of non corrasive sheet. (ii) Necessary power cable and control cable as per suitable length for connection.

Supply and fixing of foam insulation 19 mm thick for GI Pipe of size 28 mm internal dia suitable for -50 0 C to +75 0 C including jointing material such as tape aluminium for self adhesive solvent adhesive etc including aluminium for cladding complete all as specified and directed at site by Engr-inCharge

Supply and fixing of foam insulation 19 mm thick for GI Pipe of size 48 mm internal dia suitable for -50 0 C to +75 0 C including jointing material such as tape aluminium for self adhesive solvent adhesive etc including aluminium for cladding all as specified and directed at site by Engr-inCharge

Supply and fixing of foam insulation 19 mm thick for GI Pipe of size 54 mm internal dia suitable for -50 0 C to +75 0 C including jointing material such as tape aluminium for self adhesive solvent adhesive etc including aluminium for cladding all as specified and directed at site by Engr-inCharge

Demolition of existing old unserviceable brick masonary valve chamber including demolition of unserviceable M.S iron cover and iron frame and construction of new valve chamber 60x60x60 cm inner dimensions, brick masonary in cm 1:4 PCC base in 1:3:6 of 7.5 cm thick & plastering 15 cm thick in CM 1:4 in inner side/copping of all chamber fabrications of Iron frame 40x40x6 mm size angle iron MS cover 3 mm thick with hinges and locking arrangements duly painted with two coat of synthetic enamel paint over a coat of primer excavation and ,earth work including in quoted rate complete all as directed.

All as per item No. 22.00 here in before but size of pit 90x90x90 cms with suitable size of MS cover plate and angle iron frame complete all as specified and directed.

M&L in repair to chemical dozing pump for disinfection of water supply by repairing/rewinding of motor and replacement of dozing controlled, injection plunger and mixing dozer including packing washer or other minor parts as required complete all asspecified directed and as directed Engr-in-Charge. Make: DE CLIBAC TECHNOLOGY PVT LTD .

Supply and transportation of fresh drinking water through water bouzer of capacity 6000 litres from nearest water filling points made by PHE ( Public health Engineering or approved by Engineer-in-Charge ) to Nathatop and filling water in storage water tanks at Air Force Station Nathatop complete all as specified and as directed by Engineer-in-Charge. Notes :- (i) Supply , filling , transportation and filling water in tanks at different locations of Nathatop shall be included in the rate quoted by contractor and contractor will be informed one day before actual shifting of water bouzer for arrangement of vehicle etc time to time as per requirement. (ii) Contractor shall give a test certificate of Lab that the water being supplied is potable for drinking purpose.

Supply and transportation of fresh drinking water through water bouzer of capacity 3000 litres from nearest water filling points made by PHE ( Public health Engineering or approved by Engineer-in-Charge ) to Nathatop and filling water in storage water tanks at Air Force Station Nathatop complete all as specified and as directed by Engineer-in-Charge. Notes :- (i) Supply , filling , transportation and filling water in tanks at different locations of Nathatop shall be included in the rate quoted by contractor and contractor will be informed one day before actual shifting of water bouzer for arrangement of vehicle etc time to time as per requirement. (ii) Contractor shall give a test certificate of Lab that the water being supplied is potable for drinking purpose.

Carrying out preventive maintenance of electrically operated travelling (EOT) Crane flame proof of capacity 1.00 Ton whenever required/ordered complete as per existing span class II medium duty floor/roof oprated comprising of hoist motor, micro motor, long travel motor, Cross travel motor, gear box, control panel etc. including dismantling / replacing unserviceable parts with new parts at installation complete all as specified and directed: - Note : Supply only spare parts shall be measured and paid seperately under relevant of this schedule.

Supply only spare parts for replacement of userviceable under respective schedule

Supply only ball bearing No. 1209 K or as per existing size for plummer box of EOT Crane complete all as specified and directed

Supply only ball bearing No. 1212 K or as per existing size for plummer box of EOT Crane complete all as specified and directed

Supply and laying in replacement 4 core, 2.50 Sqmm size flexible copper conductor cable, PVC insulated and sheathed, 1100 volts grade multi stranded suitable for box girder between control panel to all motors for EOT crane complete all as specified.

Supply and laying in replacement 4 core, 4.00 Sqmm size flexible copper conductor cable, PVC insulated and sheathed, 1100 volts grade multi stranded suitable for box girder between control panel to all motors for EOT crane complete all as specified.

Supply and laying in replacement 1.5 Sqmm size flexible copper conductor cable, PVC insulated and sheathed, 1100 volts grade multi stranded suitable for box girder between control panel to all motors for EOT crane complete all as specified.

Supply only LT motion chain guard suitable to fix in between LT shaft and LT motion wheel complete all as specified.

Supply only LT(long travel) CT (cross travel) geared rotary limit switch 3 phase, 415 volts, 50 Hz, upto 3 ton EOT crane with auxiliary contracts or as per existing size and make complete all as specified.

Supply only Triple Pole contactor, 3 phase, 20 Amperes with coil as per existing make complete all as specified

Supply only push button switch for EOT crane with elements 6 Ampere, 415 volts, 50 Hz, make as per existing complete all as specified.

Supply only packing kit for gear box suitable for EOT cranes up to 1.00 ton complete all as specified.

Supply only current collector assembly as per existing suitable for different capacity EOT cranes at different locations complete all as specified.

Supply only Thermal over load relay type comple as per existing make and capacity complete all as specified and directed

M&L in replacement for panel wiring of EOT cranes capacity up to 1.00 Ton complete including replacement of unserviceable items as per exinting make & size comlepe all as specified and directed. Note : Cable shall be measured & paid seperately

Supply only wire rop 10/8mm suitable for EOT crane capacity upto 1.00Ton Flame proof complete all as specified and directed

Supply only cable carrier suitable for EOT crane capacity upto 1.00 Ton Flame proof complete all as specified and directed

S&F in replacement of programming card of VFD installed suitable for Flampe proof EOT crane capacity upto 1.00 Ton complete all as specified and directed

Supply only LT (long travel) wheels suitable for flame proof EOT crane capacity upto 1.00 Ton as per exinting size complete all as specified and directed

Supply only CT (cross travel) wheels suitable for flame proof EOT crane capacity upto 1.00 Ton as per exinting size complete all as specified and directed

Supply only coupling pinion as per sample/existing suitable for EOT/HOT as per existing capacity complete all as specified and directed.

Supply only LT (long travel) electromagnatic brake as per existing size and make suitable for Flape proof EOT crane up to 1.00 ton complete all as specified and directed.

Supply only hydrolic brake as per existing size and make suitable for Flape proof EOT crane up to 1.00 ton complete all as specified and directed.

M & L for rewinding of electric motors with suitable copper winding wire of gauge as per existing alongwith class 'B' insulation with and including dismantling, transporting, refixing and testing on full load of capacity 6.7 KW 3 phase, 920/960 RPM complete all as specified and directed

M&L for painting and marking of existing Flape proof EOT crane up to 1.00 ton including rubbing of existing surfaces two coats of enameled systhetic paint as per existing pattern with alphabet number not less tha 10 mm in different location 901 SU AF Stn Nathatop complete all as specified and directed Note : Cost of T&P like ledder, safety belt & other Eqpt required at site shall be include in the unit rate.

Carrying out Load testing of EOT cranes capacity up to 1.00 Ton from OEM to prove the satisfactory of electrical controls, motors, gear boxes, protective device, electro-mechanical interlocking system, wire rope, section weld joint, brake thrusters, Limit switches, buffers, hook, grider rails, pulleys, pinion wheels, puxh button station and miscellaneous items etc including forward and back motion of long travels, cross travels & Hoist (up and down) in high speed and creep speed during full load and testing of cranes in over load at 125 % and deflection test all as per IS 3177 of 1977 through M/s Lioyds register of shipping or any accepted agengcy as approved by GE duly certified including all consumables complete all as specified and directed. Note : Necessary dead weight loads, hydraulic mobile cranes at site to carry out the load test shall be arranged by the contractor and the rate quated shall be inclusive of the same

Supplying, laying or fixing, in repairs, jointing and testing LT under ground electric power cable Crossed linked polyethylene XLPE Cable insulated, galvanised steel strip or wire armoured, ISI-7098 Marked, with aluminium conductor multi stranded , heavy duty 1100 Volts grade of size 16 sqmm cross sectional area, 4 core, complete all as specified laid in trenches/ laid under floor or fixed naked with walls / on poles/ in ducts /in GI pipes etc. Note : Excavation, earth work, sand cushioning, protection bricks/ tiles/ block,Clamps, nuts , bolts, washers and pipe shall be measured and paid separately under appropriate items.

All as per item No. 48.00 here in before but size of of LT cable 10 sqmm, 4 core complete all as specified and directed.

M&L Earthing complete with copper earth plate electrode 60cm x 60cm x 3.15 mm thick buried directly in ground (earth pit ndot less than 2.25 mtrs deep below ground level) with top edge of the earth plate at a depth of not less than 1.5 mtr below ground level connected to galvanized iron strip 25 x 4 mm as earthing lead by means of bolts, nuts and washers made out of GI/steel earth strip protected by GI light grade pipe of 40 mm dia and connecting to main panel board/switch board/control board all shown in electrical plate No 3 of SSR Pt I incl PCC chambers in 1:2:4 and RCC cover slab with 8 mm dia MS bars reinforced at 10 cm center to center both ways incl earth work like excavation, returning filling back disposal etc complete.

M&L Earth continuity conductor or main 20 x 3 mm copper strip or main earthing lead fixed to wall on battenor recess or chases including plastic type insulatoror buried inground or drawn in conduit/pipe or fixed to poles or any other indicatedsituation for loop earthing etc. all as required and including taking out old unsv up to building height complete directed by Engr-in-Charge

Excavating in trenches, not exceeding 1.5 m wide and not exceeding 1.5 m in depth for foundations of poles, laying of cables, pipes etc. and getting out including trimming the sides and forming bottom surfaces to required levels in soft/loose soil complete all as specified and directed.

Returning, filling in, including spreading, levelling, and well ramming in layer not exceeding 25 cm thick in soft/loose soil complete all as specified and directed.

Removing excavated material ( soils) not exceeding 50m and depositing where directed at a level not exceeding 1.5 m above the starting point complete all as specified.

Material and labour for river sand, washed and screened dry for cushioning to under ground cable in trenches below and around under ground cable including spreading and levelling complete as specified and directed . Note : punnied thickness 18 cm shall be measured

M&L laying well burnt old size bricks, straight or curved on plan , laid flat with width equal to length of brick , laid dry over electric cable for protection complete all as specified and directed.