SPECIAL REPAIR TO BUILDING No T223 RICE SHED PROVN OF SCOOTER CYCLECOVERED PARKING SHED TOILET BLOCK NEAR BUILDING NO RSN 7 MAINT FREEEARTHINGS AT VARIOUS SUB STATIONS AND PROVN OF MCB INCL CABLEWIRING FOR NFS ETC AT MASIMPUR MIL SILCHAR

Amount

PART-I (B/R WORKS) Demolition of cement concrete (unreinforced) of any description and in any position not otherwise specifically provided for complete all as specified and directed.

Demolition of plain cement Concrete ( unreinforced) in ground floors and pavings n exc 15 cm thickness (below or above ground level) complete all as specified and directed.

Dismantling of Plain or corrugated steel sheeting, any gauge, thickness, including Nainital or similar pattern roof coverings or wall cladding complete all as specified & directed

Taking down cement plaster on brick or stone walls, etc. including raking out joints, hacking for key, scrubbing down with water, etc. complete all as specified & directed.

Dismantling wrought iron or mild steel work of any description not otherwise provided for complete all as specified & directed

Demolition of brick/stone masonry, built in cement mortar including all quoins, arches, pillars etc but exluding ashlars facings, dressed stone work and pre-cast concrete articles complete all as specified & directed.

Surface dressing n exc 15 cm deep in soft/loose soil complete all as specified and directed.

Excavating in trenches, n exc 1.5 m wide and n exc 1.5 m in depth and getting out in soft/loose soil complete all as specified and directed.

Excavating in trenches, n exc 1.5 m wide and n exc 1.5 m in depth; for foundation, etc. or for shafts, wells, cesspits manholes, pier holes and getting out in hard / dense soil complete all as specified and directed.

Returning filling in incl watering, ramming in layers n.exc. 25cm thick in soil complete all as specified and directed.

Removing excavated surplus soil to a distance n.exc. 50m and depositing where directed at level n.exc. 1.50m above the starting point complete all as specified and directed.

Spreading and levelling in layers n exc. 25 cm thick & well ramming including watering as required ( soil obtained from excavation shall be used for earth filling ) complete all as specified and directed.

Material and labour for PCC 1:4:8 type D2 using 40 mm graded stone aggregate in foundations, filling and mass concrete complete all as specified and directed.

Material and labour for PCC 1:3:6 type C2 using 40 mm graded stone aggregate in foundations, filling and mass concrete complete all as specified and directed.

M&L for Reinforced cement concrete Design mix (M-25) using 20 mm graded aggregate as in foundations, including rafts, footings, foundation beams, plinth beams, bases for columns, etc., basement slabs, under-reamed piles and mass concrete complete all as specified and directed.

M&L for Reinforced cement concrete Design mix (M-25) using 20 mm graded aggregate as in columns,pillars, piers etc, complete all as specified and directed.

M&L for Reinforced cement concrete Design mix (M-25) using 20 mm graded aggregate as in Beams, cantilevers, bressummers, lintels over 1.5m span complete all as specified and directed.

M&L for Reinforced cement concrete Design mix (M-25) using 20 mm graded aggregate in slabs supported on wall, beams and columns in floors,roofs,landings, balconies,canopies, deck slabs and in shelves etc etc, complete all as specified and directed.

Material and labour for Formwork to sides of foundations, footings, bases of columns, raft and raft beams, sides and soffits (if any) of foundation and plinth beams, and similar work vertical or to batter for rough finished flat surface of concrete complete all as specified and directed.

Material and labour for Formwork to sides and soffits of floor or roof beams, beam haunchings, girders, bressummers, lintels, cantilevers, shelves including sup- ports, overhangs, etc. splays between floors and beams, etc. for rough finished flat surface of concrete complete all as specified and directed.

Material and labour for Formwork to soffits of suspended slabs such as roof slabs, floor slabs, landings and similar work; not exceeding 200mm thick (Horizontal or sloping). for rough finished flat surface of concrete complete all as specified and directed.

Material and Labour for Formwork to sides of pillars, posts, struts, piers, columns and stanchions for rough finished surfaces of concrete complete all as specified and directed.

M&L for formwork to edges of concrete flats, treads, breaks in floors, window cills, concrete railing, openings in corete wlls, floor and roofs side of RCC/PCC bands in walls, horizontal or sloping and similar works exc 5 cm but n exc 10 cm wide for rough finished surface of concrete complete all as specified and directed.

Material and labour for mild steel TMT bars 10mm dia and over cut to length bend to shape required including cranking bending spirally for hooping for columns hooking ends and binding with and including mild steel wire (annealed) not less than 0.9mm dia or secruing with clips complete all as specified and directed.

All as per Item No 24 but 6mm to 8mm dia. Complete all as specified & directed.

All as per Item No 24 but 5mm dia and over upto and including 10mm dia in stirrups, spacers and binders complete all as specified & directed.

Supply only WPC complete all as specified and directed.

Supply and laying APP based polymeric membrane 3 mm thick (Minimum), weighting not less than 3.5 kg/Sqm reinforced with polyester non woven fabric (weighting not less than 160 gms/sqm) shall be applied over Bituminious primer as specified above. Application of polymeric membrane shall be by torching application etc as per manufacturer's instructions. The overlaps shall be minium 100 mm on the transverse direction and 75 mm longitudinal direction over cold solvent Bituminous primer @ 0.25 ltr/Sqm, complete all as specified and directed.

Materials and labour for Rolled sections as in framing for cladding, glazing and the like fixed with angle cleats and connecting plates, etc using steel conforming to Fe-290 Gde E-165 complete all as specified and directed.

Supply and fix for Rolled sections as in main and cross beams,truss & purlins , hip and jack rafters; purlins where connected to common rafters and running rails and guides for sliding doors; fixed with angle cleats or other connecting plate using steel conforming to Fe-290 Gde E-165 complete all as specified and directed.

S&F plates (plain or chequered) Fe-290 (Gde E165) cut to required size, forming holes to receive holding down bolts and welded to tubular/square hollow section tubes at both ends complete all as specified and directed.

Supply and fix Pre- painted galvalume aluminum zinc coating GI based corrugated steel sheet 0.50mm thick of an colour having tensile strength of 550 Mpa as in roof covering/cladding to wall, fixed with self tapping screws complete all as specified and directed.

Supply and fix Pre-painted galvalume aluminum zinc coating GI based Plain steel sheet 0.50mm thick of an colour having tensile strength of 550 Mpa as in roof covering/cladding to wall, fixed with self tapping screws complete all as specified and directed.

S&F Mild steel screw bolt 11 to 15 mm dia (machine made) with hexagonal or square heads at one end and screwed at the other, or screwed both ends, each screwed end to be fitted with washers and one hexagonal or square nut, n. exc 5 cm long, complete all as specified and directed.

S&F Mild steel screw bolt 16 to 20 mm dia (machine made) with hexagonal or square heads at one end and screwed at the other, or screwed both ends, each screwed end to be fitted with washers and one hexagonal or square nut,exc 5cm but n exc 10cm long, complete all as specified and directed.

S&F Non Skid ceramic tiles colour 7 to 8mm thick (square/rectangular) area of each tile exceeding 0.06 but not exceeding 0.11 sqm, as in floors etc. set and jointed in neat cement slurry and pointed in white or coloured cement to match over & including 15 mm thick screed bed or bedding layers in cement mortar 1:6 including brushing with neat cement slurry with 3 Kg of cement per sqm complete all as specified and directed.

S&F Glazed ceramic colur tiles (450x350 x 7mm thick) on dado & skirting , set and jointed in neat cement slurry and pointed in white or coloured cement to match over and including 10 mm thick rendering rough/even & fair finished in cement mortar 1:4 to receive tile complete all as specified and directed.

M&L Plain cement concrete 1:2:4 type B-1, (using 20 mm graded stone aggregate) as in bed blocks, holdfast blocks, coping, lintels upto 1.5m clear span, cills, lin steps, kneelers, bed plates, apex stones kerbs benching , levelling course and similar work including necessary form work complete all as specified and directed.

Supply and fix Steel ventilator with top hung shutter including hinges, steel peg stay, lugs as in hold fast with locking arrangements complete all as specified and directed.

Supply and fix PVC door frame of size 50 mm X 47 mm made out of 5 mm thick plain colour PVC sheet reinforced with MS square tube complete all as specified & directed.

Supply and fix Factory made solid panel PVC door shutter 30 mm thick (style) consisting of frame made out of M.S. tubes for top & bottom rails. M.S. frame shall be covered with heat moulded plain colour PVC ‘C’ channel having a PVC sheet strip of 20mm width stuck inside with solvent cement for stiles and plain colour PVC sheets for top rail, lock rail & bottom rail on either side & as gap insert for top rail & bottom rail;Panelling of plain colour PVC sheet to be fitted in the M.S. frame welded / sealed to the stiles & rails with suitable PVC sheet beading, and joined together with solvent cement, suppling & fixing in the frame at site as per specification & drawing complete all as specified & directed.

Taking down main steel door ( 02 leafs) , overall size of opening exc. 12 sqm but not exc. 16 sqm & refixing after proper alignment / repositioning of tilted / bend adjoining structural members & columns , purlins etc with mechanical means & proper safety measures complete all as specified & directed.

Supply and fix 100mm stainless steel butt hinges medium weight fixed with stainless steel screws, complete all as specified and directed.

Supply and fix 125 mm long aluminium handle cast type anodised complete all as specified & directed.

Supply and fix 150 mm long aluminum anodised barrel tower bolts of extruded section complete all as specified & directed.

S&F 250 mm long Aluminium alloy, anodised, sliding door bolt with hasp, staple (bolt type) and fixing clips of sheet, cast or extruded sections and fixing bolts and sliding bolts of extruded sections or cast-aluminium alloy and fixed complete all as specified and directed.

S&F 3.00 mm thick sheet glass ordinary quality and glazing with oil putting square nexc 0.5 sqm in each pane complete all as specified and directed.

S&F 20 mm bore Ball valves high pressure of PTMT with epoxy coated Aluminium rod & highdensity plastic ball screwed for iron pipe and fixed. (Minimum weight 210gms complete all as specified and directed.

Supply and fix, white vitreous china wash basin of size 550 mm x 400 mm,including brackets ,cutting for and pinning in ends of brackets complete all as specified & directed.

Supply and fix 500 Ltr Rotaional moulded polyethylene water storage tank cylindrical vertical with closed top hoisted and fixed in position complete all as specified and directed.

Supply and fix for 10 ltrs capacity PVC valveless syphonic action type, low level flushing cistern, white with inlet, ball valve float and handle including brackets and 32 mm dia PVC low or high density flush pipe complete all as specified & directed.

Supply and fix,15 mm bore bib tap long body and fancy type, chromium plated, cast copper alloy with crutch or butter fly handle, screwed down, screwed for iron pipe or for brass ferrule complete all as specified and directed.

Supply and fix 15 mm bore pillar tap fancy type, cast copper alloy, with capstan head, chromium plated, screwed down high pressure, with or without letter Hot or Cold with long screwed shanks and fly nuts, screwed for iron pipe complete all as specified and directed.

Supply and fix, stop valve cast copper alloy, ,screwed down high pressure, with crutch or butterfly handles for 15 mm bore pipe or for unions complete all as specified and directed.

Supply and fix, angle stop valve fancy type, cast copper alloy,chromium plated ,screwed down high pressure, with crutch or butterfly handles for 15 mm bore pipe or for unions complete all as specified and directed.

Supply and fix, vitreous china squatting pan of Orrisa pattern size 580mm x 440 mm white with integral foot rests (excluding flushing cistern and flush pipe) including connection making good to floor incl PCC complete all as specified and directed.

Supply and fix soap dish, chromium plated, standard quality fixed to wall with chromium plated brass screws complete all as specified and directed.

S&F chromiuim plated Swivel shower roses with arm, 125 size including fixing to 15 mm bore GI pipe or union complete all as specified and directed.

Supply and fix Waste coupling of PTMT 32mm dia (half or full threaded) ( minmum weight 45 gms) complete all as specified and directed.

S & F PVC connections 15 mm size with PTMT nuts of length 450 mm complete all as specified and directed.

S&F gun metal globe or gate valveof size 25mm dia /bore with iron wheel head, screwed at both end for iron pipe and fixed complete all as specified and directed.

Supply & fix brass CP towel rail 20 mm dia, 60 cm long and and including chromium plated brass screws and wooden/plastic cleat complete all as specified and directed.

Supply and fix CP Grating 100 mm complete all as specified and directed.

Supply & fix PVC (SWR) floor trap 75 mm outlet diameter, plain with grating including jointing with solvent cement complete all as specified and directed.

M & L for plain Concrete bed 1:3:6 type C-2 (using 40 mm graded stone aggregates) to drain pipes including packing under, and haunching against the sides of pipes after they are laid and tested complete all as specified and directed.

Supply and fix 75mm bore PVC (SWR) Pipes single socketed, in any length with rubber ring joints,fixed to walls with suitable size of clamps , nuts bolts complete all as specified and directed.

Supply and fix 110 mm bore PVC (SWR) Pipes single socketed, in any length with rubber ring joints,laid in trenches or floor complete all as specified and directed.

Supply and fix 75 mm bore PVC (SWR) bends of any radius complete all as specified & directed.

Supply and fix 110 mm bore PVC (SWR) bends of any radius complete all as specified & directed.

Supply and fix PVC (SWR) vent cowl 75mm bore all as specified.

Supply and fix 110 mm bore PVC (SWR) junction single,(Single T) equal or unequal complete all as specified & directed.

M&L for Brickwork with sub- class ‘B’ bricks locally availble best quality straight or curved on plan exc 6 m mean radius built in cement mortar 1:6 complete all as specified and directed.

Material and labour for half brick work with sub class ‘B’ locally availble best quality brickstraight or curved on plan to any radius built in cement mortar 1:4 complete all as specified and directed.

M&L for Hardcore of broken bricks of gauge n exc. 63 mm, deposited, spread and levelled in layers n exc. 15 cm thick, watered and rammed to a true surface complete all as specified & directed.

M&L for 75 mm thick PCC 1:3:6 type C2 (using 40 mm graded stone aggregates) as in subbase of floor complete all as specified & directed.

M&L for 100 mm thick PCC 1:2:4 type B2 (using 40 mm graded stone aggregates) as in floor finished even &smooth without using extra cement complete all as specified & directed.

M&L for 150 mm thick PCC 1:2:4 type B2 (using 40 mm graded stone aggregates) as in floor finished even & smooth without using extra cement complete all as specified & directed.

Material and labour for 50 mm thick PCC 1:2:4 type B-1 using 20 mm graded stone floor finished even & fair complete all as specified and directed.

Material and labour for 25 mm thick PCC 1:2:4 type B-0 using 12.5 mm graded stone as in sub base of floor complete all as specified and directed.

M&L rendering 15 mm thick cement rendering in two layer each of 10+5 mm thick on fair faces of brick wall or concrete surfaces in CM 1:4 & water proofing compound mixed with second layer @ 3% finished even and fair complete all as specified & directed. Note -WPC shall be measured and paid separetly.

M&L rendering 10 mm thick cement rendering on fair faces of brick wall or concrete surfaces in CM 1:6 finished even and smooth without using extra cement, complete all as specified & directed.

M&L rendering 5 mm thick cement rendering on ceiling surfaces in CM 1:3 finished even and smooth complete all as specified & directed.

M&L 10mm thick rendering in cement mortar 1:3 on concrete surfaces of roof finished even and smooth without using extra cement complete all as specified and directed.

Material and labour for plain cement concrete 1:3:6 type C-1 using 20 mm graded crushed stone aggregate in surface channel/drain complete all as specified & directed.

Material and labour for extra for forming fair finished drain or channel 30 cm inner girth in cement concrete, using extra cement, including forms, moulds, mi- tred/stopped ends etc complete all as specified & directed.

M&L for 75mm thick cement concrete 1:3:6 type C2 (using 40mm graded stone aggregate) as in plinth protection finished even and smooth without using extra cement laid in panels and joints filled with bituminous mastic filling with 1 part of bitumen and 3 part of sand complete all as specified and directed.

M&L for Forming Contraction (Dummy) joints 30mm deep x 10mm wide, filled with sealing compound grade 'A' complete all as specified and directed.

M&L preparation of old painted steel surfaces of any description over 10cm width or girth not otherwise described and applying two coats of synthetic enamel paint over one coat of red oxide primer incl removal of complete existing treatment complete all as specified and directed.

M&L preparation of new steel surfaces of any description over 10cm width or girth not otherwise described and applying two coats of synthetic enamel paint over one coat of red oxide primer complete all as specified and directed.

M & L for preparation of newly plastered surfaces and applying three coats of white wash on ceiling complete all as specified and directed

M & L for preparation of newly plastered surfaces and applying three coats of white wash on surface walls complete all as specified and directed

Material & Labour for applying Two or more coats of 100% Premium acrylic emulsion paint having VOC less than 50 gm/litre and UV resistance as per IS 15489:2004, Alkali & fungal resistance, dirt resistance exterior paint of required shade (Company Depot Tinted) with silicon additives @ 1.43 litre/ 10 sqm over and including priming coat of exterior primer applied @ 0.90 litre/ 10 sqm over new surfaces complete all as specified and directed.

Supply, lay and fix 15 mm bore galvanised iron water tube medium grade with all fitting and fixed to wall, ceiling or laid in floor and trenches complete all as specified and directed.

Supply, lay and fix 20 mm bore galvanised iron water tube medium grade with all fitting and laid in trenches complete all as specified and directed.

Supply, lay and fix 25 mm bore galvanised iron water tube medium grade with all fitting and laid in trenches complete all as specified and directed.

M&L for Cutting chases, pinning in, making good to facings where required and pointing in cement mortar 1:3 to ends or edges of landings, steps, cills,sunshades, shelves, lintels, etc.; and cutting chases for concealed water tubing or concealed conduit wiring, etc. and making good, , cutting not exc 10 cm girth complete all as specified & directed

M&L for concealed Point wiring using FRLSH PVC insulated unsheathed multi strand copper conductor cable 1100 volt garde 1.5 sqmm including 1.5 Sqmm FRLSH PVC insulated unsheathed multi strand copper conductor earth wire drawn through and including concealed rigid non metallic PVC conduit of appropriate size not less than 20 mm dia medium grade terminated in and incl concealed pressed steel sunken box readily available ( having wall thickness not less than 1.22 mm upto 200 x 300 mm box size & having wall thickness not less than 1.63 mm beyond 200 x 300 mm ) duly covered with 3 mm thick bakelite sheet cover for fixing switches , sockets , fn regulators etc incl testing and making good to disturbed surface to match existing surface for one light/fan/bell point complete all as specified and directed.

Supply and fix Ceiling rose, 3 phase/PVC/ polycarbonate, isolated body complete all as specified & directed.

S&F switch piano flush type 5 Amp one way complete all as specified and directed.

S&F switch piano flush type 15 Amp one way complete all as specified and directed.

Supply and fix switch socket combination 3/5 pin 5 Amps flush type complete all as specified and directed.

Supply and fix socket outlet 3 pin 5 Amps and 3 pin 15 Amps flush type complete all as specified and directed.

Supply and fix PVC rectangular block for mounting, switches, sockets, fan regulator etc. with 3 mm thick plastic laminated sheet cover of size 150 mm x 100 mm and 50 mm deep complete all as specified and directed.

Supply and fix PVC rectangular block for mounting, switches, sockets, fan regulator etc. with 3 mm thick plastic laminated sheet cover of size 250 mm x 200 mm and 50 mm deep complete all as specified and directed.

Supply and fix lamp Angular holder insulated body with back plate suitable for batten fittings complete all as specified and directed.

S&F LED linear light fittings 20 Watt basic all purpose surface and wall mounted and LED batten with polycarbonate housing and intrigated electronic driver and connecting with 3 core flexible copper cable PVC insulated of size 16/0.20 mm etc complete all as specified and directed. Make:- Crompton Greaves Cat No. CCS-100-20-65-HL2-DP-NWH or equivalent to Bajaj/Philips/Wipro/Syska LED/ M/S Surya Roshni Limited/M/S Jaquar & Company Pvt Ltd/ Havells

M & L for circuit /submain wiring along with earth wire 2 x 1.5 Sqmm PVC FRLSH insulated unsheathed cable multi-strand copper conductor including 1 x 1.5 Sqmm PVC insulated unsheathed multi strand copper conductor earth wire drawn through and including concealed PVC conduit of appropriate size not less than 20 mm dia and 1.8 mm thick including all fittings viz tees, bends, junctions box , connecting earth including cutting groove for concealed wiring, making good to disturbed surface of wall/floor with cement mortar and finishes to match existing incl taking down old unserviceable submain wiring complete all as specified and directed. Note: Two run of single core cable and one run of earth wire will be mearsured as one length

M & L for circuit /submain wiring along with earth wire 2 x 2.5 Sqmm PVC FRLSH insulated unsheathed cable multi-strand copper conductor including 1 x 2.5 Sqmm PVC insulated unsheathed multi strand copper conductor earth wire drawn through and including concealed PVC conduit of appropriate size not less than 20 mm dia and 1.8 mm thick including all fittings viz tees, bends, junctions box , connecting earth including cutting groove for concealed wiring, making good to disturbed surface of wall/floor with cement mortar and finishes to match existing incl taking down old unserviceable submain wiring complete all as specified and directed. Note: Two run of single core cable and one run of earth wire will be mearsured as one length

Supply and fix street /bldg security light LED luminaire 20 watt IP 66 LED lamp, driver etc, including wall bracket 1.5 mtr long made out of 40 mm bore GI light grade pipe with suitable siz of clamps nuts bolts & all accessories & making connection with FRLSH PVC insulated unsheathed multi strand copper conductor cable 1100 volt garde complete all as specified and directed. Make: Crompton Cat No. LTS-20-CDL-M or equivalent to M/S Jaquar & Company Pvt Ltd/Havells

Supply and fix Industrial type downlight fitting 1 x 70 fixed with & incl suitable siz of clamps nuts bolts & all accessories & making connection with 1.5 sqmm FRLSH PVC insulated unsheathed multi strand copper conductor cable 1100 volt garde complete all as specified and directed. Make: Crompton Cat No. SUPRA NEO-11 Cat Part No LWV12-7-CDL or equivalent to /M/S Jaquar & Company Pvt Ltd/Havells

Supply and fix sheet metal enclosure for DB's SPN with 200 Amps rated bus bar 240Volts, 08 way double door etc complete all as specified and directed.

Supply and fix sheet metal enclosure for DB's SPN with 200 Amps rated bus bar 240Volts, 04 way double door etc complete all as specified and directed.

Supply and fix sheet metal enclosure for DB's SPN with 200 Amps rated bus bar 240Volts, 02 way complete all as specified and directed.

Supply and fix sheet Single pole and neutral enclosure witha two pin and earth plug and socket complete with one single pole MCB 20 Amps C series complete all as specified and directed.

Supply and fix sheet Single pole and neutral enclosure witha two pin and earth plug and socket complete with one single pole MCB 10 Amps C series complete all as specified and directed.

Supply and fix MCB SP 240 volts C-series , 50 Hz capacity 6-32 Amps complete all as specified & directed.

Supply and fix MCB SPN 240 volts C-series , 50 Hz of capacity 32 - 40 Amps complete all as specified & directed.

Supply and fix MCB SPN 240 volts C-series , 50 Hz of capacity 63 Amps complete all as specified & directed.

Supply and fix plastic body exhaust fan, AC single phase, 240 V of size 250 mm sweep with louvers including necessary connection and replacement of flexible copper cable from ceiling rose and taking down of old unserviceable fan complete all as specified and as directed. Make :-Crompton Cat aprt No BRISK AIR NEO or equivalent in Havells / Bajaj / Orient

Supply and fix exhaust fan, steel body AC single Phase. 230V of size 380 mm sweep with, blades, and frame and louvers including necessary making electric connection with flexible copper cable from ceiling rose complete all as specified and as directed. Make :-Crompton Cat Part No EXHD380-4-1 or equivalent in Havells / Bajaj / Orient

Material and labour for laying of bricks locally available sub-class 'B' brick (old size) for cable protection cover laid flat and dry in trenches over the cable perpendicular to the directon of cable complete all as specified and directed.

Supply and spread sand in trenches as sand cushioning to under ground cable for protection with fine river sand and provide reqd cover after punning down complete all as specified and directed. Note : Thickness of sand cushion after punning down will be measured and paid.

Material & labour GI tube light grade 40 mm for protection of UG cable including dismantling of old unsv pipe complete all as specified and directed.

Supply, fixing, commioning & testing of XLPE insulated, screened, PVC bedded, galvanised steel strip or wire armoured, Electric power cable (heavy duty) with aluminium conductors, 1100 volts, grade cross sectional area 10 Sqmm 2 core laid in trenches/fixed to wall/under road/pipe etc with and including copper cable glands & copper thimbles complete all as specified and directed.

Supply, fixing, commioning & testing of XLPE insulated, screened, PVC bedded, galvanised steel strip or wire armoured, Electric power cable (heavy duty) with aluminium conductors, 1100 volts, grade cross sectional area 10 Sqmm 4 core laid in trenches/fixed to wall/under road/pipe etc with and including copper cable glands & copper thimbles complete all as specified and directed.

Supply and fixing of waterless and maintenance free Earthing (grounding) electrode of overall size 70 mm dia, 3000mm depth, 17.2 mm in dia with copper bonded MS conductor, (254 micron) conductive aggregate mixed with cement to embed or backfill the void surrounding the 17.2 mm Copper bonded MS conductor placed at the center of an augured bore hole of 150mm dia & 3150mm depth. The surface area of the earth electrode shall lower the earth resistance permanently without periodic watering or recharge of earth enhancing compound for a period of 30 years in all type of soil conditions and shall not leach into the soil or underground water channels, Electrode's top terminal shall be sealed permanently & earth strip shall be sealed permanently & earth strip shall be taken cut and terminated to earth bus bar, the earth electrode shall be able to withstand the fault current up to 25 KA for 1 second complete as per specification and requirements with polyethylene FRP Pit Box (Extra Heavy Duty). Make: SLB Earthing Systems/OBO/ERICO. Technical specifications of the maint free earthing are given below:-

(a) Type: Factory Pre-Cast Electrode for longevity. (b) Conductor: Copper Bonded MS round conductor with SS316 Connector (c) Copper Bonding: 254 Micron (ETP Grade) (d) Conductor Size: 17.2 mm in Diameter (e) Connection Terminal: SS316 Material (f) Conductor Encapsulation: Encapsulation in quick setting Earth Enhancing Electrically conductive concrete. (g) Overall Electrode Diameter: 100mm + 2mm (h) Overall Electrode Length: 3000mm + 10mm (j) Construction/Installation: Cylindrical Electrode without a base plate. (k) Application/Suitability: For all type of soils/Rocks/River Beds (l) Chemical Characteristics: Corrosion Free, Inert PH> 7 (m) Earth Enhancement Compound/Aggregate Resistivity: > 0.02 Ohms/Meter or better (n) Fault Current: 50 KA true rmsfor 1 Second (o) Mechanical Strength: Greater thand grade M25 Concrete (p) Life of Electrode: More than 30 years (q) Moisture/Re-watering: No watering for rated life

(r) Life of Earth Enhancing Compound : Permanent/no Recharge of earth enhancement compund for rated life (s) Earth Resistance Stability: Consistent during operation (t) Thermal Stability: Shall be thermally stable between (-) 60°C to (+) 60°C ambient temperatures (u) Data Sheet: Required for Each items (v) Manufacture Test Certificate: Required for Each items (w) Leaching property: Shall not dissolve, de-compose or leach/wash out with time under any season's conditions (x) ROHs Compliance: Eco-friendly shall not pollute the soil or underground water table (y) Conductivity: Shall have high electrical conductivity and capacity to absorb high surges (z) Earthing pit cover: Poly Ethylene Carbon Polyster Grade - 120A

M& L for copper bonded strip with100-150 micron copper coating of size 32 x 6 mm with saddles and fixing screws etc. for roof conductors and down conductors above ground as earth lead complete all as specified and directed.

Material and labour for earthing with galvanised steel earth plate electrode 60cmX60cmX 6mm thick burried directly in ground (earth pit not less than 2.25 mtr below ground level) with top edge of the plate not less than 1.5 mtr below ground level connected to earth wire 4 mm dia GI wire with mild steel nuts bolts checknuts & washers and connected to equipment as directed incl funnel with Gi medium grade watering pipe 20 mm bore , wire mesh , charcoal or coke and commn salt in alternate layers of 15 cm compacted thickness all around the earth electrode with concrete pit in PCC 1:3:6 type C-1 with 50 mm thick precast RCC cover in PCC 1:2:4 type B-1 cover slab reinforced with 8 mm dia deformed bars @ 15 cm c/c with suitable handle of 10 mm dia round bar , 15 mm bore medium grade pipe for earth lead protection incl necessary excavation and earth wok in soft / loose soil and disposal of spoil to a distance n exc 50 m and necessary testing complete all as shown in electrical plate No 3 of MES SSR Part-I complete all as specified and directed.

M/S SANJIB DEB

M/S PIJUSH BHATTACHARJEE

M/S LUIT CONSTRUCTION

M/S R A ENTERPRISE

MS AFTAB LASKAR

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