SPECIAL REPAIRS TO HANGAR NO 10 AND 11 AT ASTE UNDER GE (AF) MARATHAHALLI

Amount

Taking down chowkhats or frame exc 1.5 Sqm but n.exc 4 Sqm each with shutters (without taking off shutters from the frames) complete all as specified and directed.

S&F steel door including projecting type hinges, steel handle, complete with glazing bars, dovetailed or welded complete all as specified in SSR and directed.

S & F Powder coated aluminium frame (minimum thickness of powder coating 50 micron) for doors, windows, ventilators with one or more rebates including joining cleat for fixing etc. complere all as specified and directed. Note : Supply of glass will be measured and paid separately.

S & F Powder coated aluminium door shutters (minimum thickness of powder coating 50 micron) aluminium section weighing 0.55 kg/m including necessary joining cleats, glazing clips, rubber neoprene packing, handles 2 Nos in each door, hinges, anodised aluminium snap beading screws etc. complere all as specified and directed. Note : Supply of glass will be measured and paid separately.

S & F Aluminium extruded section body, door closer hydraulically regulated, designation No 3, universal type, suitable for door shutters of 851 to 1000mm in width and of weight between 61 to 80 kg and fixed, complete all as specified and directed.

M & F for 12 mm thick prelaminated particle board, interior grade, prelaminated both sides with decorative choice laminations, fixed with screws to frame work, all as specified and directed.

Supply only sheet glass of 5.5mm, ordinary quality, in squares n.exc 0.5 sqm each pane complete all as specified.

Dismantling floor, hearth or wall tiling including cement mortar bedding (but not backing), removing serviceable tiles to store and rubbish off the premises complete all as specified and directed.

S&F glazed ceramic coloured tiles 7mm thick 450 x 300mm size in vertical surface set and jointed in neat cement slurry and pointed in white cement paste pigmented to the shade over and including 10mm thick rendering on fair faces of brick work or concrete surfaces in CM 1:4 etc complete all as specified and directed.

Dismantling wall and ceiling boards (fibre, pulp, insulation etc.) and boarding any thickness, including cover fillets etc.complete all as specified and directed.

S&F false ceiling grid of size 600 x 600 mm system using hot dipped galvanized steel section with precoated capping, main tee of size 24x32 mm having 0.27mm thick at every 1200mm centre to centre, cross tee of size 24x27 mm having 0.25mm thick at 600mm centre to centre and wall angle of size 19x19 mm having 0.35 mm thick fixed to the periphery of the wall, and suspended at every 1200mm centre to centre in both directions using 2.00 mm thick GI wire and fixing 600 x 600 x 16 mm mineral fibre tegular edge ceiling tiles of RH90 complete all as specified and directed.

Demolition of cement concrete (reinforcement cut as required to facilitate demolition) of any description and in any position not otherwise specifically provided for complete all as specified and directed.

Demolition of cement concrete of any description & in any position etc complete all as specified and directed. Note : The qty catered includes PQC/GSB/DLC or any type of concrete.

M&L for concrete 1:4:8 type D-2 (using 40 mm graded stone aggregate) in foundation, filling and mass concrete all as specified and directed.

Taking down cement plaster including raking out joints hacking for key scrubbing down with water etc including removal of debris outside MOD Land complete all as specified and directed.

Rendering 10 mm thick cement mortar in 1:6 on fair face of brick work or concrete surfaces even and smooth without using extra cement complete all as specified and directed.

S & F Framed brackets of angles or tees with web and flanges cut to shape, drilled and countersunk for screw, including bending and welding angles, as necessary, gusset plates, riveting, etc. conforming to Fe.290.Gde-E-165 complete all as specified and directed.

S&F rolled mild steel plates (plain or chequered) channels, square cut or notched (ordinary and counter sunk) forming holes, without any attachment as in gusset plate conforming to Fe- 410-W-(Gde-E-250) quality A complete all as specified and directed.

M&L for preparation of new steel or iron surface of any description over 10cm in width or girth, not otherwise described applying two coats of synthetic enamel paint over a coat of read oxide zinc chrome primer complete all as specified and directed.

Dismantling of plain or corrugated steel sheeting, any gauge, thickness, including Nainital or similar pattern roof coverings, complete all as specified and directed by Engineer-in-charge.

S & F Pre-painted galvalume aluminum zinc coating GI based corrugated steel sheet 0.5mm thick of any colour having tensile strength of 550Mpa as in roof covering/ cladding to wall, fixed with self tapping screws complete all as specified and directed.

S & F Pre- painted galvalume aluminum zinc coating GI based plain steel sheet 0.5mm thick of any colour having tensile strength of 550Mpa as in roof covering/cladding to wall, fixed with self tapping screws as specified

S&F 3 mm thick poly carbonate transparent corrugated sheet, fixed with self tapping screw, approved pattern in approved colour, complete all as specifed and directed by Engineer-in-charge.

M&L on Anti bird (HDPE) net below ceilng in hanger building net fullfilling requirement- Mesh size 32mm x 32 mm el 32mmx27mm (variation upto + 2mm) yarn breaking strength 20/28 kg. Thickness of filament 0.6/0.8 mm net capable of water resistant, sunlight-UV stabilized with no effect air and wind, shape of mesh square or diamond required to hanged by hook system at the distance exc 3x3m and n. exc 5x5m between hook supports for net fixed to the existing structure of hanger(ceiling ht upto 15 mtr) etc all fitting, including removal of existing net complete all as specified by engr- in-charge.

S&F for 3.2/3.30 mm thick Linoleum, plain coloured, laid dry in floors including stretching, cutting and fitting sealed down with an approved adhesive including removal of existing complete all as specified and directed.

M & L for 5mm thick EPU flooring consisting of priming coat by applying low viscous Epoxy primer and screed coat of 4mm thick and finished with top coat of 800 microns as specified including taking out old pu flooring complete all as specified and directed.

M&L for forming expansion joints 30mm average width and 20mm average deep with closed cell polyethylene backup rod of required dia i.e dia more than width of joint and top 15mm depth primed and sealed with polyurethane based sealing compound including applying masking tape on edges of joints to prevent accidental spillage of sealant and removing the masking tape by mechanical means after application of sealant including cutting out the existing joints upto the required width/depth using diamond cutter, removing the debris and other foreign materials to a distance exceeding 1.5 KM and not exceeding 5.0 KM and depositing where directed and cleaning the sides and bottom of joints by using compressed air (diesel driven compressor of suitable capacity) complete all as specified and directed.

M&L for preparation of old surface of walls and applying two coats of oil bound distemper over a coat of priming on plastered and other surfaces with alkali resistant priming paint including one coat of 1 mm thick Birla white putty on plastered surfaces etc including complete removal of existing surfaces of any etc. complete all as specified.

Material and Labour for complete removal of existing treatment applying two coats of synthetic enamel paint (ordinary tint) over a coat of priming paint of any complete all as specified and directed.

M & L for preparation of old steel or iron surface or any description over 10 cm in width or girth, not otherwise describe and applying one coast of Aluminium paint on hanger doors, structural steel works as roof trusses (framed), trussed purloins, crane gantries, rails and fastenings and heavy bracket framing (Beam, tee, angle, channel or flat section) including distance pieces, cleats of hangers etc. complete all as specified and directed.

M & L for preparation of old surface and applying one coat of oil bound distempering on walls complete all as specified and directed.

M & L for preparation of old surface and applying one coat of white washing on ceiling complete all as specified and directed.

Material and labour for preparation of old decorated surfaces of walls including brooming down or steel wire brushing, scrapping down smoke, soot, module, moss and efflorescence salt, oil and greasy spots etc and applying one coat of cement base paint complete all as specified and directed.

Material and labour for preparation of old wood or wooden based surfaces or previously untreated surfaces, not otherwise described, over 10cm width or girth and applying one coat of synthetic enamel paint complete all as specified and directed.

Preparation of old painted surface of steel surface any description not otherwise described over 10cm width or girth including knotting and stopping and all preparation work required and applying one coat of synthetic enamel paint complete all as specified and directed.

Taking down carefully copper/ aluminium point wiring of any type of batten or conduit (Light, fan, socket or power) complete removing material from site and making good the disturbed surfaces of walls, roofs etc including two coats of white/colour washing/distempering etc to match the existing complete all as specified and directed by EIC.

Taking down carefully copper / aluminium sub main wiring including teak wood batten /conduit and making good the disturbed surface of walls complete all as specified and directed.

Dismantling and taking down flame proof fluorescent light fitting single /double tube any wattage/ any size all as directed.

Taking down DB,s with MCB,s / Isolator any rating and any size all as directed.

Taking down fan, sealing cable end,dismantling blades and removing fan and blades to store and after false ceiling work hanging only ceiling fan (M.D supply) with extension rod as per site required and connecting up including provision of cable from ceiling rose or connector to fan complete all as specified and directed.

Refixing only flame proof Tube light 2x20 watt suspension type after civ work and connecting up including provision of cable from ceiling rose or connector to fan retrieved from item above.

M & L point wiring with 1.5 sqmm nominal cross sectional area, single core, 1100 Volts FRLS grade, stranded, PVC insulated, unsheathed copper conductor cable drawn in ERW conduit of suitable size, complete with all accessories/ fittings, brass screws, washers etc, pressed steel terminal boxes and modular switches & plates including all cutting/chases etc in walls and including continuous earth wire of size 1.5 Sqmm nominal cross sectional area, single core, PVC insulated copper conductor cable, unsheathed and connected to common earth and earth dolly for one light point /fan point controlled by one switch complete all as specified and directed.

All as per item No 42 above but for one 5 Amps socket point on same board with other switches

All as per item No 42 above but for one 5 Amps socket point on independent board.

All as per item No 42 above but for wiring complete with 2.5 Sqmm for 3 pin 15A socket multipurpose on independent board .

Supply & fixing modular switch 06 Amps 1 module complete all as specified & directed

S & F modular socket 06 Amps 2/3 pin combined 2 module complete all as specified & directed.

Supply & fixing modular switch 16 Amps 1 module complete all as specified & directed

S & F modular socket 06/16 Amps 2/3 pin combined 2 module complete all as specified & directed.

Material and Labour for ceiling rose 3 terminals complete all as specified & directed.

M & L for sub main wiring complete with two runs of 2 x 2.5 sqmm FRLS grade PVC insulated unsheathed cable 1100Volt grade multistranded copper conductor drawn through and including MS ERW conduit and accessories in recessed / surface of wall, roofs etc with one run of PVC insulated copper conductor 1x2.5 Sqmm single core as earth continuity conductor connected with earth dolly and mains complete all as specified and directed. Note : Two runs of cable, 1 run of earth conductor and 1 run of PVC conduit shall be one unit.

Supply and fixing flame proof/weather proof direct entry type rotary switch single pole on & OFF rotary motion switch in cast aluminum alloy LM-6 enclosure epoxy powder coated single pole 230Volts 10 Amps, AC ON/OFF switch operated externally by Knob having 02 Nos of M-20 cable entries, earthing terminals suitable for mounting on Wall/Steel structure etc duly tested & certified by CMRI-Dhanbad (make : Sudhir/Baliga/Shyam.)

Supply and fixing flame proof/weather proof switch socket and plug combined in LM6, 16 A 240 Volts 2 pin and earth plug fully interlocked suitable for installation in hazardous as per IS-2147/62 alluminium alloy/cost iron neoprene gasket dgree of protection IP-65 certified by CMRI Dhanbad (make : Sudhir/ Baliga/ Shyam.)

Supply and fix Flame proof weather proof fluorescent fixture 2 x 40 W x 4' with external MS reflector complete all as specified and directed.

Supply & fix flame proof DB TPN 4 way in cast Aluminium LM6 complete comprising of the following :- (a) MCB TPN 63A, 10KA - 1 No, (b) MCB SP 20A rating 10KA - 8 Nos (c ) MCB SP 10 A, 10KA - 4 Nos

S&F Flame proof weather proof ceiling fans 36" single phase in cast aluminium LM6 incl flameproof fan regulator complete all as specified and directed.

Earthing complete with galvanised steel earth plate electrode 60cmx60cmx6mm thick burried directly in ground vertically to a depth not less than 2.25 metre below ground level with top edge of the earth plate at a depth not less than 1.5 M below ground level, earth plate surrounded by 15cm thick and packed with layers of charcoal dust and common salt , earth lead GI wire 4mm dia ( 8 SWG) connectd to GI earth plate elcectrode by means of bolts, nuts, check nuts and washers of galvanised iron and thimbles and other end of earth wire connected to main switch board and protected by galvanised iron pipe medium grade 15mm bore and 20mm bore light grade GI pipe with funnel and wire mesh for watering including necessary excavation and earth works. PCC Chamber in cement concrete 1:3:6 type C-2 & RCC cover in M-20 (Design mix ) and all as shown in Electrical Plate No. 3 of SSR Part-I of 2009 complete all as specified and directed. Note: Earth lead wire upto 7.5 m is deemed included in the item.

Supply & fixing GI earth wire 4.00 mm dia for interconnecting of earth electrodes all as specified.

S & F MCB SPN 32 Amps, 'C' series, 240 V complete incl making connections all as specified and directed.

S & F MCB SP 6-32 Amps, 'C' series, 240 V complete incl making connections all as specified and directed.

S & F MCB DB SPN 8 Way with 200 Amps rated busbar, Double door, 240 volts flush to wall including all cutting etc on wall and making good the disturbed surfaces to match the existing complete all as specified and directed.

Taking down Air curtain of any size from wall and keeping in safe custody, refixing the same on outside fo Lab including connection and all accessories complete all as specified and directed.

Taking down Smoke detector / Heat detector from false ceiling and keeping in safecustody, refixing the same after new false ceiling including connection from detector to panel , complete all as specified and directed by Engr-in-charge.

Taking down Manual call point from walls and keeping in safecustody, refixing the same after new false ceiling including connection from MCP to panel , complete all as specified and directed by Engr-in-charge

S& F Armoured shielded, sheathed and twin twisted wires inside the armoured cable, 1100 V grade with copper conductor complete with fixing accessories such as spacer plates saddle/wall clips etc of size 1.5 sqmm 04 core complete all as specified and directed.

S & F MCCB DB Vertical TPN 4 Way 'A' Frame,Including MCCB TPN 63 Amp Beaking capacity 25Ka -01 nos, Double Door flush to wall including all cutting etc on wall including making good the disturbed surfaces to match the existing in replacement of old U/s complete all as specified and directed.

Taking down the existing old unserviceable flame proof Metal halide of 150 watt/ High wattage high bay light fittings from the hangar height of 15mtr without any damage to existing to ground level complete all as directed by Engineer in charge.

Supply and fixing LED flame proof Highbay luminaire of 150 watt with heat resistant toughened glass, IP66 protection rating & suitable for temperature incl cable connection from ceiling rose complete all as specified and directed.

Excavation in trenches in soft/loose soil not exceeding 1.5 metre wide and not exceeding 1.5 metre in depth for laying of cable and getting out complete all as specified and as directed by the Engineer-in-Charge.

Excavation in trenches in soft / loose not exceeding 1.5 metre wide and exceeding 1.5 metre but not excedding soil 3.0 metre in depth for laying of cable and getting out complete all as specified and as directed by the Engineer-in-Charge.

Returning, filling in soil including spreading, leveling, watering and well ramming, in layers not exc 25 cm complete all as specified and as directed by the Engineer-in-Charge.

Removing of surplus soil to a distance not exc. 50 metre and depositing where directed at a level not exc.1.5 metre above the starting point complete all as specified and as directed by the Engineer-in-Charge.

Supply, laying riddled earth soil for cushioning to cables with a layer of riddle earth soil 15cm deep before laying the cable and 8 cm depth after laying of cable, complete all as specified.

M & L for old size sub class ‘B’ bricks, laid in trenches as cable covers / protection complete all as specified and directed. Note :- The brick shall be laid longer side perpendicular to cable.

M&L for cement concrete 1:3:6 type C-2 using 40 mm graded stone aggregate in foundations filling and mass complete all as specified and directed.

Supply and fixing of GI tubing, light grade, 100 mm bore with all fitting laid in trenches / pole / wall for protection of cables in repairs complete all as specified and directed.

Supply and fixing of GI tubing, light grade, 50 mm bore complete all as specified and directed.

Taking up underground unservicable cable of any size from existing trench including bricks, etc and removing of materials from work site all as directed by Engr-in-charge.

Supply, laying and testing cable XLPE Insulated ,screened, PVC bedded, galvanized steel strip or wire armoured, electric power cables (heavy duty) 1100 Volts grade with stranded aluminium conductor of size 300 sqmm 3.5 core complete all as specified and directed.

All as per ser item No 79 above but of cross sectional area 150 sqmm 3.5 core.

All as per ser item No 79 above but of cross sectional area 120 sqmm 3.5 core.

All as per ser item No 79 above but of cross sectional area 70 sqmm 3.5 core.

All as per ser item No 79 above but of cross sectional area 50 sqmm 3.5 core.

All as per ser item No 79 above but of cross sectional area 25 sqmm 4 core.

All as per ser item No 79 above but of cross sectional area 16 sqmm 4 core.

Boring of holes under roads,pavement,hard standing by trenchless technology using ultra sounding technique and necessary machine including HDPE pipe upto 150mm dia suitable for .4 mpa working pressure complete all as specified and directed by Engr-in-Charge.

Supply, installation, testing and commissioning of outdoor type cubicle panel board suitable for 3 phase 4 wire 415 V, 50 Hz and tested at CPRI for 415 volts factory fabricated in an approved factory having modern fabrication process powder coating in approved shared having thickness not less than 100 microns provided with suitable gasket to make it dust/vermin proof and general construction confirming to IS : 8623/93 comprising. The outer shell shall be made out of 3 mm thick CRCA sheet and MS angle section 40x40x6 mm base frame factory fabricated with front openable, double door system lockable/ open able. The bottom of the outer shell contains a detachable plate having size with glands. The outer shell shall be mounted on stand having zine coating not less than 80 microns. Provision of threaded earthing stud at bottom and lifting lugs of suitable size at top to lift the panel safely shall be made. The degree of protection of outer shell shall be IP - 54. Inner shell shall be made out of 2.0 mm thick CRCA sheet duly compartmentalized for each control gear, TPN alluminum bus bar of rating not less than the 1.5 times the rated capacity of the incomer MCCB. The TPN bus bar shall be insulated with colour coded heat shrinkable sleave. All control wires shall be with 2.5 sqmm multi strand copper conductor and shall be propely bunched, tied, ferruled for proper identification and crimped with adequate size of lugs, incl all MCCBs/MCBs with rotary handle in LT Panel all as specified and directed by Engr in charge. INCOMING (a) MCCB 4 pole, 320 Amps, 50 KA - 01 No (b) Intelligent AC digital display three phase LCD ammeter 0 to 630A and voltmeter 0 to 500V with CT (c) Indication lamp RYB/RRR-set of 03 -01 No OUTGOING (a) MCCB 4 pole 100 Amps 25 KA 415 Volt - 2 Nos (b) MCCB 4 pole 63 Amps 25 KA 415 Volt - 11 Nos (c) MCCB TPN 32 Amps , 25 KA, 415 Volt - 7 Nos

Supply, installation, testing and commissioning of outdoor type cubicle panel board suitable for 3 phase 4 wire 415 V, 50 Hz and tested at CPRI for 415 volts factory fabricated in an approved factory having modern fabrication process powder coating in approved shared having thickness not less than 100 microns provided with suitable gasket to make it dust/vermin proof and general construction confirming to IS : 8623/93 comprising. The outer shell shall be made out of 3 mm thick CRCA sheet and MS angle section 40x40x6 mm base frame factory fabricated with front openable, double door system lockable/ open able. The bottom of the outer shell contains a detachable plate having size with glands. The outer shell shall be mounted on stand having zine coating not less than 80 microns. Provision of threaded earthing stud at bottom and lifting lugs of suitable size at top to lift the panel safely shall be made. The degree of protection of outer shell shall be IP - 54. Inner shell shall be made out of 2.0 mm thick CRCA sheet duly compartmentalized for each control gear, TPN alluminum bus bar of rating not less than the 1.5 times the rated capacity of the incomer MCCB. The TPN bus bar shall be insulated with colour coded heat shrinkable sleave. All control wires shall be with 2.5 sqmm multi strand copper conductor and shall be propely bunched, tied, ferruled for proper identification and crimped with adequate size of lugs, incl all MCCBs/MCBs with rotary handle in LT Panel all as specified and directed by Engr in charge. INCOMING (a) MCCB 4 pole, 320 Amps, 50 KA - 01 No (b) Intelligent AC digital display three phase LCD ammeter 0 to 630A and voltmeter 0 to 500V with CT (c) Indication lamp RYB/RRR-set of 03 -01 No OUTGOING (a) MCCB 4 pole 63 Amps 25 KA 415 Volt - 7 Nos (b) MCCB TPN 32 Amps , 25 KA, 415 Volt - 7 Nos

Supply, installation, testing and commissioning of outdoor type cubicle panel board suitable for 3 phase 4 wire 415 V, 50 Hz and tested at CPRI for 415 volts factory fabricated in an approved factory having modern fabrication process powder coating in approved shared having thickness not less than 100 microns provided with suitable gasket to make it dust/vermin proof and general construction confirming to IS : 8623/93 comprising. The outer shell shall be made out of 3 mm thick CRCA sheet and MS angle section 40x40x6 mm base frame factory fabricated with front openable, double door system lockable/ open able. The bottom of the outer shell contains a detachable plate having size with glands. The outer shell shall be mounted on stand having zine coating not less than 80 microns. Provision of threaded earthing stud at bottom and lifting lugs of suitable size at top to lift the panel safely shall be made. The degree of protection of outer shell shall be IP - 54. Inner shell shall be made out of 2.0 mm thick CRCA sheet duly compartmentalized for each control gear, TPN alluminum bus bar of rating not less than the 1.5 times the rated capacity of the incomer MCCB. The TPN bus bar shall be insulated with colour coded heat shrinkable sleave. All control wires shall be with 2.5 sqmm multi strand copper conductor and shall be propely bunched, tied, ferruled for proper identification and crimped with adequate size of lugs incl all MCCBs/MCBs with rotary handle in LT Panel all as specified and directed by Engr in charge. (For AFNet at Hangar No 11) INCOMING (a) MCCB 4 pole 315 A 50 KA 415 Volts - 1 No (b) Intelligent AC digital display three phase LCD ammeter 0 to 200A and voltmeter 0 to 500V with CT (c) Indication lamp RYB/RRR-set of 03 -01 No OUTGOING (a) MCCB 4 pole 200 Amps 36 KA 415 Volt -2 Nos

Supply and fix DLP U PVC adaptable trunking of size 195 x 50mm complete with trunking accessories viz cover joints, clips, internal/external angles, partition /flat junctions and branches complete for camouflaging existing LT UG cable /copper wires refixing the same after removing the existing copper/ aluminium wiring from wall/ roof and making proper connection to the existing panel/board complete all as specified and directed.

Supply and fix DLP U PVC adaptable trunking of size 90 x 50mm complete with trunking accessories viz cover joints, clips, internal/external angles, partition/flat junctions and branches complete for camouflaging existing LT UG cable/ copper wires refixing the same after removing the existing copper/aluminium wiring from wall/roof and making proper connection to the existing panel/board complete all as specified and directed.

Supply, installation and testing commissioning three phase gear motor 415 volt of cap 2 HP high speed motor (motor should be fitted to master leaf) with suitable heavy grade speed reduction gear attachments for the movement of main leaf along with subsequent movement of slave leaf - 05 Nos with slave arrangement mechanism including suitable declutching facility for manual operation, the speed of door movement shall be as per international standard i.e. 7 to 8 mtr per minute for Hangar doors including removal of existing motor and handing over to MES complete all as specified and directed.

Supply, installation and testing of VFD for controller complete all as specified and directed.

Dismantling of existing wheel assembly complete by protecting entire door without any damages and replace with heavy duty wheel made out of MS embedded with ball bearing complete all as specified.

Supply, installation and testing of control panel indoor type for operation of suitable starters locally and remote control alongwith indication lamps and multifunction meter, push buttons and single phase preventer complete all as specified and directed.

Supply, installation and testing of 4 core 2.5 sqmm sheathed copper cable alongwith guide wire and rails complete all as specified and directed.

Supply, installation and testing of 2 core 2.5 sqmm sheathed copper cable alongwith guide wire and rails complete all as specified and directed.

Supply, installation and testing of limit switch heavy duty complete all as specified and directed.

Supply, installation and testing of cable track of size 9" width x 4" height made out of aluminium for routing of control cable for protection of movement of door complete all as specified and directed.

Material and labour of MS sections such as channels, angles bracing and joining supports complete all as specified and directed.

Material and labour for MS coupler double scafolding upto height of 40 mtr complete all as specified and directed.

M & L for Earthing complete with galvanized steel plate electrode 600 mm x 600 mm x 6.0 mm buried directly in ground vertically in pit of depth not less than 2.25 metre below normal ground level with top edge of the earth plate at a depth not less than 1.5 metre below normal ground level surrounded from all sides with mixture of charcoal and common salt in alternate layers and electrode connected to galvanized iron strip 32 x 6 mm as earthing lead by means of GI bolts, nuts, check nuts and washers, earth wire protected by galvanized steel pipe 40 mm bore (light grade) connected to machinery/ equipment all as shown in electrical plate No. 3 of SSR-2009 Part I and including necessary excavation and earth work in any type of soil, 20 mm bore light grade GI pipe for watering funnel wire mesh, PCC (1:3:6), type C-1 chamber, RCC (1:2:4), type B-1, reinforced with 6 mm dia MS round bars @ 15 cm c/c both way for cover and MS frame etc., complete all as specified. NOTE: (i) The unit rate includes earth wire and protection pipe up to (maximum 7.5 metre from earth plate) earth point/test point. (ii) Earth pit shall be constructed at least 0.5 metre away from each earth chamber.

M & L for earth continuity conductor or main earthing lead of 32 x 6 mm galvanized iron strip, buried in ground or fixed to wall complete.

Taking up cast iron water mains (incl all fittings) with spigot and socket and socket ends and lead joints including burning out joints and recovering lead for 100mm dia complete all as specified and directed.

Cutting cast iron pipes and reducing to required lenth before laying pipes in trenches of 100 mm dia complete all as specified and directed.

All as per item No 105 for insertion of new tees,branches etc complete all as specified and directed.

Supply and lay GI pipe galvanised "medium grade" including fittings 50mm (2") dia complete all as specified and directed.

Supply and lay GI pipe galvanised "medium grade" including fittings 20mm(2") dia complete all as specified and directed.

S&F 20 mm dia brass ferrules screwed both end for iron pipe complete all as specified and directed by EIC.

Supply and fix Gun metal globe or gate valves, 50 mm with iron wheelhead screwed both ends for iron pipe and fixed complete.

Supply and fix Gun metal globe or gate valves, 20 mm with iron wheelhead screwed both ends for iron pipe and fixed complete.

Construction of valve chamber of size 900x900x900mm with foundation cement concrate solid block/ bricks in cement mortar 1:6 , with PCC 1:4:8 type D2 sub base plaster internally and exposed external surface in cement mortar 1:4 15 mm thick and provision of valve chamber cover made out of MS sheet 3.0 mm thick welded on angle iron frames 40 x 40 x 5 mm made out to size 1.0 x1.0 mtr double door type with hinges and locking arrangement duly painted with 2 coat of synthetic enamel paint over a coat of red oxide primer all as directed including removing u/s chamber cover demolition and removal of debris complete..

B5BUILDING SOLUTIONS (BID ID -3166902)

Sai Ram Builders (BID ID -3169383)

PRAGATHI BUILDERS (BID ID -3173090)