SPL REPAIR TO BLDG NO BI-8 INSIDE VIJAY DURG UNDER GE (FW) KOLKATA

NOTES :The bidders/contractors are advised to read tender document & all corrigendum/ amendments and General conditions of contracts before entry/quoting the rates.

Taking down cement plaster in any description on brick or stone wall etc incl racking out joints.hacking for key scrubbing down with water etc complete all as specified and directed.

Supply and fixing of Galvanised iron strip 25 x 4mm for connection of earthing with LT Panel board burried in ground complete all as directed.

Supply only integral water proofing compound all as specified and as directed.

Material, labour for 15 mm thick rendering in CM (1:6) on other than fair face of brick or concrete surfaces on internal surfaces finishing even and smooth without using extra cement complete all as specified and directed.

Material, labour for rendering 10 mm thick in CM 1:3 on ceilings finished even and smooth without using extra cement (up to ceiling height of 6 to 7m )incl necessary arrangements for execution of the work all as specified and directed.

Demolition of brick work or stone/boulder masonary built in cement mortor incl all quions arches pillars etc complete all as specified and directed.

Material, labour for 15mm thick cement plaster in cement mortar 1:4 on bricks or concrete surface and finished even and smooth without using extra cement including necessary scaffolding work complete all as specified and directed by Engr -in-Charge.

Supply and fixing of

mild steel TMT bar (Fe-500) 6 to 8 mm dia cut to length, bent to shape required including cranking, bending, spirally for hooping for columns, beam , slab etc hooking ends and binding with mild steel wire (annealed) not less than 0.9 mm dia or securing with clip complete all as specified and directed.

Material and labour for complete removal of existing finishing of internal wall surface of building/structure by mechanical appliance and preparation of old surfaces and applying two coats of 1st quality acrylic washable distemper (ready mixed) having VOC content less than 50 gms/litre of required colour shade and as per manufacturer’s specification over a coat of primer over a coat of primer over a coat of 2.0 mm thick cement base wall putty complete all as specified and directed.

Material and labour for Preparation of new plaster wall surface and applying two coats of 1st quality acrylic washable distemper (ready mixed) having VOC content less than 50 gms/litre of required colour shade and as per manufacturer’s specification over a coat of primer over a coat of 2.0 mm thick cement base wall putty complete all as specified and directed.

Material and labour for Preparation of new plaster ceiling surface and applying two coats of 1st quality acrylic washable distemper (ready mixed) having VOC content less than 50 gms/litre of required colour shade and as per manufacturer’s specification over a coat of primer over a coat of 2.0 mm thick cement base wall putty complete all as specified and directed.

Material and labour for applying one coats of synthetic enamel paint on old painted surface wooden surfaces of any description over 10 cm width or girth complete all as specified and directed.

Material and labour for applying two coats of synthetic enamel paint on new steel surfaces of any description over 10 cm width or girth over a coat of red oxide primer including preparation of surfaces complete all as specified and directed.

Material and labour for applying one coats of synthetic enamel paint on old steel serface of any description over 10 cm width or girth complete all as specified and directed.

Material, labour for glazed ceramic colour tiles size 600/450 mm x 300 mm x 6 to 7 mm thick on vertical surfaces such as dado, skirting etc set and jointed in neat cement slurry and pointed in coloured cement including 10 mm thick plastering in cement mortar 1:4 complete all as specified and directed. to match complete all as specified and directed.

Material, labour for cutting chases for concealed water tubing, pinning in, making good of facings where required and pointing in cement mortar 1:3 to ends or edges etc, cutting not exceeding 10 cm width or girth, complete.

Supply and fixing of mild steel in framed work such as grills, gratings, etc. with ends of bars shouldered and /or riveted, or forged into spikes; framed guard bars; barred iron doors; ladders; framed balusters; walk ways; railings; framework of water tanks and similar work conforming to Fe.290.Gde-E-165 all as specified and directed by Engineer-in-Charge.

Material, labour for mild steel rolled sections as in main and cross beams,angle, hip and jack rafters, purlins where connected to common rafters and running rails and guides for sliding doors etc conforming to grade Fe-410- W (Gde- E- 250) quality- A made to required shape and size, welded at joints complete all as specified and directed

Fixing only old Joist, channel angle of beams etc cutting with suitable size complete all as specified and directed.

Dismantling of plain or corrugated steel sheeting any gauge or any thickness in roof covering including stacking serviceable materials of re-use and removing unserviceable materials.

Supply and fixing of pre-painted galvatume aluminium zinc coating GI based corrugated steel 0.50mm thick of any colour having tensile strength of 550 Mpa as in roof covering/ cladding to wall, fixed with self tapping screws as specified.

Material, labour for PCC M-10(Nominal Mix) using 40 mm graded stone aggregate as in sub base of floor complete all as specified and directed.

Dismantling of cast iron or AC drain pipe/ PVC pipe jointed in cement mortar of size 110mm bore as directed

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

Material & Labour Non skid ceramic tiles, coloured, 7 to 8 mm thick (square/rectangular area of each tile exceeding 0.06 Sqm and not exceeding 0.11 Sqm , in floors etc. Set and jointed in neat cement slurry and pointed in white or coloured cement to match over 15mm thick screed bed layer in CM (1:4) including roughening surfaces of old concrete floor by picking, sweeping clean and washing down with water to remove dust, etc and brushign neat cement slurry with 3.0 kg of cement per Sqm complete all as specified and as directed.

Dismantling of Wall and ceiling boards (fibre,pulp, insulation, etc.) or insulation oards/slabs/blankets, any thickness, including cover filletsall as specified

Supply and fixing of PVC solid wall lining consisting of 5 mm thick plain colourPVC sheet used inclusive of solven tcement and fixing atsite on PVC frame as per manufacturer’s specification and instruction) directed by the Engineer-in-Charge.

Supply and fixing of PVC fillets of width 35 mm, made of 5 mm thick PVC sheet, for wall paneling inclusive of fixing as in grid / frame on wall at a distance .6m horizontal & vertical for wall lining/paneling as per specification of manufacturer and as directed by the Engineer-in-Charge.

Material and labour for point wiring with 1.5 Sq. mm (nominal area) PVC insulated and sheathed single core FRLSHcopper cable 1100 volts grade with stranded copper conductor in and including PVC rigid concealed conduit (heavy grade) and conduit accessories alongwith continuous earth wire 1.5 Sq mm PVC insulated and sheathed single core FRLSH cable 1100 volts grade with stranded copper conductor and connected to common earth dolly complete for one light/fan point controlled by one switch complete all as specified and as directed. Note:-Flush steel terminal box, inner plate and front plates shall be measured and paid seperately.

Dismantling of stone slabs and tiles of any description or thickness in floors, aprons etc laid, dry bedded complete all as specified and directed.

Supply and fixing of factory made uPVC white colour Three track three panels sliding window with fly proof S.S wire mesh (Two nos. glazed & one no. wire mesh panels) upto 1.50m height made of (big series) frame 116 x 45 mm & sash 46 x 62 mm both having wall thickness of 2.3 ± 0.2 mm and single glazing bead / double glazing bead of appropriate dimension. (Area of window above 1.75 sqm) comprising of uPVC multi chambered frame, with inbuilt roller track and sash extruded profiles duly reinforced with 1.60 ± 0.2 mm thick galvanized mild steel section made from roll forming process of required length (shape & size according to uPVC profile), appropriate dimension of uPVC extruded glazing beads and uPVC extruded interlocks, EPDM gasket, wool pile, zinc alloy (white powder coated) touch locks with hook, zinc alloy body with single nylon rollers (weight bearing capacity to be 40 kg), G.I fasteners 100 x 8 mm size for fixing frame to finished wall and necessary stainless steel screws etc. Profile of frame & sash shall be mitred cut and fusion welded at all corners, including drilling of holes for fixing hardware's and drainage of water etc. After fixing frame the gap between frame and adjacent finished wall shall be filled with weather proof silicon sealent over backer rod of required size and of approved quality, complete all as specified and directed by Engineer-in-Charge. (Glass or wiremesh shall be paid separately) Note: For uPVC frame and sash extruded profiles minus 5% tolerance in dimension i.e. in depth & width of profile shall be acceptable. Variation in profile dimension in higher side shall be accepted but no extra payment on this account shall be mad all as specified and directed.

Supply and fixing of stainless steel wire cloth 0.36 mm nominal dia of wire and average width of aperture 1.4 mm complete all as specified and directed.

Supply and fixing of 5.0 mm thick Toughned glass as in hinged doors, partitions automatic doors and similar work including cutting to shape, drilling holes all as specified and directed.

Taking down/removing of existing water proofing treatment on roof surfaces and wall surfaces complete, including screed bed, racking out joints, hacking for key scrubbing down with water etc including dismantling of lightening strip and refixing the same in position, and removing rubbish out from MD land, all as directed. (Note :- Dismantling and refixing of the lightening strip is deemed to include in the rate quoted if any).

Taking down chowkhats or frames not exc 1.5 sqm each (without taking off shutter from the frame) complete all as specified and directed.

Material and labour for Plain Cement Concrete M-15(Nominal Mix) using 20 mm graded stone aggregate in roof kerbs or mud stops, benching,rounded or chamfered on edges including preparation of old roof surface with brushing and applied neat cement slurry with 3.0 Kg of cement per Square Metre existing surface complete all as specified and as directed

Supply and fixing of factory made uPVC white colour Casement door with 3D hinges made of (big series) frame 67 x 64 mm & sash 67 x 110 mm both having wall thickness of 2.3 ± 0.2 mm and single glazing bead / double glazing bead of appropriate dimension. (Area of door upto 2.00 sqm) comprising of uPVC multi-chambered frame, sash and mullion (where ever required) extruded profiles duly reinforced with 1.60 ± 0.2 mm thick galvanized mild steel section made from roll forming process of required length (shape & size according to uPVC profile), uPVC extruded glazing beads of appropriate dimension, EPDM gasket, zinc alloy (white powder coated) 3D hinges and one handle on each side of panels along with zinc plated mild steel multi point locking having transmission gear, cylinder with keeps and one side key, G.I. fasteners 100 x 8 mm size for fixing frame to finished wall and necessary stainless steel screws etc. Profile of frame & sash shall be mitred cut and fusion welded at all corners, mullion (if required) shall be also fusion welded including drilling of holes for fixing hardware's and drainage of water etc. After fixing frame the gap between frame and adjacent finished wall shall be filled with weather proof silicon sealent over backer rod of required size and of approved quality complete all as specified and directed by Engineer-in Charge. (Glass shall be paid separately) Note: For uPVC frame, sash and mullion extruded profiles minus 5% tolerance in dimension i.e. in depth & width of profile shall be acceptable. Variation in profile dimension in higher side shall be accepted but no extra payment on this account

Material, labour for bituminous gola, with 80/25 bitumen and coarse sand mixture, 1:3 by weight, 8cmx8cm at the junction of roofing to vertical surfaces, all as specified and directed.

Subtotal of Sch A part-I

SCHEDULE 'A' PART - II FOR E/M PORTION (Sl No __ to ____)

Taking down copper/ aluminium point wiring (light, fan, buzzer, socket or power) complete including fixture and fittings such as switches, ceilling roses, pendants , regulators, sockets etc excluding light fitting for taking credit removing from site and making good disturbed surface of walls, floors etc.

nd as directed.

Disconnecting existing tanks, setting aside (or lowering if required) for repairs, cleaning, etc. and hoisting if required reconnecting and re-fixing in position including cleaning and removing all scales, dirt etc. from the tank and from mouths of circulating pipes etc., exceeding 250 litres but not exceeding 500 litres capacity complete all as specified and as directed.

Disconnecting existing tanks, setting aside (or lowering if required) for repairs, cleaning, etc. and hoisting if required reconnecting and re-fixing in position including cleaning and removing all scales, dirt etc. from the tank and from mouths of circulating pipes etc., exceeding 500 litres but not exceeding 1000 litres capacity complete all as specified and as directed.

Supplying, hoisted and fixed in position of rotational moulded polyethylene water storage tanks in double layers and cylindrical vertical type with manhole lids(closed top) of 2000 litres capacity with ISI marked and all as specified in IS 12701 and including PVC float valve 20mm bore weight not less than 210gms and taking down existing water tank complete all as specified and directed .

BI2526E35C1R1I160

Material and labour for Point wiring with 1.5 Sq. mm (nominal area) PVC insulated and sheathed single core FRLSHcopper cable 1100 volts grade with stranded copper conductor in and including PVC rigid concealed conduit (heavy grade) and conduit accessories alongwith continuous earth wire 1.5 Sq mm PVC insulated and sheathed single core FRLSH cable 1100 volts grade with stranded copper conductor and connected to common earth dolly complete for modular one socket outlet 5 pin 6 amps on independent board complete all as specified and as directed.

Material and labour for Point wiring with 1.5 Sq. mm (nominal area) PVC insulated and sheathed single core FRLSH copper cable 1100 volts grade with stranded copper conductor in and including PVC rigid concealed conduit (heavy grade) and conduit accessories alongwith continuous earth wire 1.5 Sq mm PVC insulated and sheathed single core FRLSH cable 1100 volts grade with stranded copper conductor and connected to common earth dolly for one 5 amps socket outlet on same board with other switch complete all as specified and as directed.

Materials and Labour for Point wiring with 2.50 Sq. mm (nominal area) PVC insulated and sheathed single core FRLSHcopper cable 1100 volts grade with stranded copper conductor in and including PVC rigid concealed conduit (heavy grade) and conduit accessories alongwith continuous earth wire 2.50 Sq mm PVC insulated and sheathed single core FRLSH cable 1100 volts grade with stranded copper conductor and connected to common earth dolly complete for modular one socket outlet 5 pin 16 amps on independent board complete all as specified and as directed.

Supply and fixing of mineral fibre acoustical Suspended Ceiling System with Dune Bevelled Tegular Edge Tiles of 16mm thickness and Suprafine 15mm face exposed grid. The tiles shall have sand texture visual with acoustical punchers, Humidity Resistance (RH) of 99%, NRC 0.5 (Average value of Absorption Co-efficient readings taken at 250 Hz, 500 Hz, 1000 Hz and 2000 Hz) as per ASTM C423 standard, CAC of 33db as per ASTM E1414, Light Reflectance ≥85% as per ASTM E-1477, Thermal Conductivity k = 0.052 - 0.057 W/mK, Colour Global White, Fire Performance of class 0/1 as per BS 476 Part 6/7 and Class A as per ASTM E84 with 16mm bevelled Tegular edge and 8mm drop in module complete all as specified and as directed. size of 600 x 600mm. It shall be suitable for Green Building application, with Recycled content of 40%. The tile shall have certifications from GRIHA and GreenPro thereby confirming that it is an environment friendly roduct. SUSPENSION: The tile shall be laid on Suprafine 38 with 15 mm wide T - section flanges colour global white (matching to tile color) having roll formed double stroke rotary stitching on all T sections i.e. the Main Runner, 1200 mm & 600 mm Cross Tees with a web height of 38mm (all sections). The deflection loading of the system shall be 12.5 kg/m2 (as per standard installation layout mentioned below) and main beam tested as per ASTM C635 (Deflection limit less than L/360) with a deflection loading of 15kg/m. The end details of the cross tee shall be made of pre hardened steel and fixed to the ends of the cross tee to provide double locking between “cross tee to cross tee” and “cross tee to main beam”. All main beam to main beam and cross tee to cross tee connection shall have a pull out strength of more than 100kg. The T Sections shall be made of hot dipped galvanized steel of 90 gsm as per IS 277 (2003) and pre-painted steel with baked polyester paint with 0T bending capability. All border cross tee/main beam shall be levelled using perimeter fill. INSTALLATION: To comprise main runner spaced at 1200mm securely fixed to the structural soffit using suspension system (specifications above) at 1200mm maximum. The First/Last suspension system at the end of each main runner shall not be greater than 450mm from the adjacent wall along with the first and the last main beam shall be at less than 600mm from the wall

.Flush fitting 1200mm long cross tees to be interlocked between main runners at 600mm to form 1200 x 600 mm module complete all as specified and as directed.. Cut cross tees longer than 600mm require independent support. 600 x 600mm module complete all as specified and as directed. to be formed by fitting 600mm long flush fitting cross tees centrally between the 1200 mm cross tees. Perimeter trim to be wall angles of size 3000x19x19mm, secured to walls using screws at 450mm centre to centre maximum. Installation shall be carried out as per recommended procedure. SUSPENSION SYSTEM accessories supplied by consisting of M6 Anchor Fasteners with hanger hole, pre-straightened hanger wire of dia – 2.5 mm of 1.80 m length having a tensile strength of 344-413 MPa and a minimum loading strength of 110 kgs. (Optionally, adjustable hook clips made of 0.7mm thick Grade 1 C55 galvanized spring steel of dimension 100 x 20mm and 4 mm aquiline wire to be used for level adjustment during installation purpose in main runners).

Supply and fixing of Modular Switch 1 way 6 A, 1 module complete all as specified and as directed.

Supply and fixing of Modular Switch 1 way 16 A, 1 module complete all as specified and as directed.

Supply and fixing of Modular Socket 6 A, 2/3 pin combined 2 module complete all as specified and as directed.

Supply and fixing of Modular Socket 6 A/ 16 A, 2/3 pin combined 2 module complete all as specified and as directed.

Supply and fixing of Modular Bell push 6A, 1 module complete all as specified and as directed.

Supply and fixing of Modular type White cover plate with frame 1 module complete all as specified and as directed.

Supply and fixing of Modular type White cover plate with frame 2 module complete all as specified and as directed.

Supply and fixing of Modular type White cover plate with frame 3 module complete all as specified and as directed.

Supply and fixing of Modular type White cover plate with frame 4 module complete all as specified and as directed.

Supply and fixing of Modular type White cover plate with frame 6 module complete all as specified and as directed.

Supply and fixing of Modular type White cover plate with frame 8 module complete all as specified and as directed.

Supply and fixing of Modular type White cover plate with frame 12 module complete all as specified and as directed.

Supply and fixing of Modular type Metal Flush box 1/2 module complete all as specified and as directed.

Supply and fixing of in repair 6mm thick bevelled edge mirror of size as required fixed on 6mm thick acrylic PVC sheet complete all as directed by the Engr-in-Charge .

BI2526E35C1R1I161

Supply and fixing of Ceiling rose, 3 terminal PVC insulated body

BI2526E35C1R1I162

Supply and fixing of in repair LED Ceiling light fitting 35/36 W recess / Surface typy as in repair, minimum colour temperature 6500K, with suitable driver complete with all accessories internally pre-wired and including connecting up with twin core twisted flexible copper conductor cable complete all as specifide and directed.

LED surface/ceiling mounting(suspended from ceiling) box type light fitting 20Watt with LED Lamp , drive and made of epoxy powder coated extruded aluminium channel housing with high quality polycarbonate opal diffuser cover & high power LED’s as light source with 120 Lumen per watt (Minimum) and including all other standard accessories as per manufacture instructions ,internally pre-wired including connecting up three core1.00sq. mm copper conductor flexible wire/cable complete all as specified.

Supply and fixing of Sheet metal enclosure for MCB DB double door 415V Triple pole & Neutral 4 way with common bus bar. Make: Legrand or equivalent of L&T/Havells

Supply and fixing of MCB 'C' series single pole 5 to 32 Amps, breaking capacity 10KA.

Supply only MCB, 'C' series, TPN, 415 volts, 63 Amps, breaking capacity 10KA complete all as specified and directed.

BI2526E35C1R1I163

Cutting Chases pinning in, for concealed conduit wiring and making goods of disturbed surface not exc 15 cm girth

Supply and fixing of

Materials and Labour for Point wiring with 4.00 Sq. mm (nominal area) PVC insulated and sheathed single core FRLSHcopper cable 1100 volts grade with stranded copper conductor in and including PVC rigid concealed conduit (heavy grade) and conduit accessories alongwith continuous earth wire 4.00 Sq mm PVC insulated and sheathed single core FRLSH cable 1100 volts grade with stranded copper conductor and connected to common earth dolly complete for modular one socket outlet 5 pin 16 amps on independent board complete all as specified and as directed. NOTES FOR ITEM NO _____ to ______- (i) Flush steel terminal box, inner plate and front plates shall be measured and paid seperately. (ii) Cutting chases and making good in walls shall be deemed to be included in the unit rate.

BI2526E35C1R1I164

Excavation in trenches not exc 1.5 mtr width and not exce 1.5 mtr in depth in soft/loose soil and getting complete all as specified and as directed.

Removal of excavated material to a disance n.exc 50 mtr and depositing where directed at a level n.exc 1.5m above the starting point complete all as specified and as directed.

Returning, filling in including spreading levelling watering and well ramming in layers n.exc 25 thick for soft/loose soil complete all as specified and as directed.

Material, labour for sand cushioning /sand covering for underground cable protection and consolidated and compacted with clean dry sand complete all as specified and as directed.

Material, labour for bricks with sub class 'B' locally available laid in trenches above sand cushioning for cable protection complete all as specified and as directed.

Material, labour for Galvanised Steel Tubing Pipe 100 mm bore (dia), light grade with Bends, laid in Trenches or under Roads/ Flooring/ Culverts etc., complete all as specified and as directed.

Material and labour for PCC (1:2:4) type B-2 using 20 mm graded crushed stone aggregate complete all as specified and directed.

Supply and fixing MCCB 100 amps, 4 pole, breaking capacity 16 KA suitable for operation of 415 volts AC 50 HZ with fixed type all as specified in SSR Part -I including making necessary electric connections complete all as specified and directed .

Supply and fixing of Sheet metal enclosure verticaly distribution board TPN 415 Volt 4 way ,double door type and provision for 4 pole MCCB complete with 200 Amps rated vertical insulated busbar complete all as specified and as directed.

Supply and fixing of sub main wiring with two single core 4.0sqmm (nominal area) PVC insulated copper conductor FRLSH, multi stranded, unsheathed 1100 volts grade IS-694 marked in PVC double lock casing caping and accessories accessories including one single core 4.0 sqmm copper conductor cable FRLSH as earth wire and including taking out old sub-main wiring complete all as specified and as directed. NOTE:- (a) All runs of copper conductor and one run of conduit shall be measured as one run length.

Excavation/Cutting Road/ Hardstanding in Trenches not exc. 1.00 Meter wide and not exc. 1.00 Meter in depth and getting out, complete all as specified and as directed.

Supply and fixing of sub main wiring with two single core 6.0sqmm (nominal area) PVC insulated copper conductor FRLSH, multi stranded, unsheathed 1100 volts grade IS-694 marked in PVC double lock casing caping and accessories accessories including one single core 6.0 sqmm copper conductor cable FRLSH as earth wire and including taking out old sub-main wiring complete all as specified and as directed. NOTE:- (a) All runs of copper conductor and one run of conduit shall be measured as one run length.

Material & Labour for PCC 1:3:6 type C2 using 40mm graded aggregate as in plinth course, string course etc complete including slightly rounded or chamefered for Galvanised steel tubing post for air termination rod including form work etc complete all as specified and directed.

Supply and fixing of sub main wiring with four single core 10.0sqmm (nominal area) PVC insulated copper conductor FRLSH, multi stranded, unsheathed 1100 volts grade IS-694 marked in PVC double lock casing caping and accessories accessories including two single core 10.0 sqmm copper conductor cable FRLSH as earth wire and including taking out old sub-main wiring complete all as specified and as directed. NOTE:- (a) All runs of copper conductor and one run of conduit shall be measured as one run length.

Supply and fixing of MCB 'C' curve single pole neutral , 40 to 63 Amps with breaking capacity 10kA,

Supply & fix single pointed air termination Aluminium rod, 12 mm dia, 300 mm long.

Supply and fixing of sheet metal enclosure for MCBs to be used singal pole & nutral double door 8 Way 200 Amps rated busbar and including fixed with 25mm x 6 mm mild steel clamp of suitable length complete all as specified and as directed.

Test point terminal box of size 200 x 100 x 100 mm made out of 2 mm thick hot dip galvanised sheet drilled and screwed including 6 Nos 15 mm long hexagonal head screws complete with test point terminal block made out of Gun metal or Phosphorus Bronze size 75 x 75 x 25 mm drilled and screwed including 3 Nos 8 mm dia 25 mm long hexagonal head screws, etc complete all as specified and directed.

Material and labour for laying of LT XLPE insulated armoured heavy duty cable 1100 volt grade ISI marked with alumimium conductor multi strand cross sectional area 50 Sqmm x 3 ½ Core complete all as specified and as directed.

Supply & Installation and testing on commissioning of Advance conductive compound based chemical compound technology with upgraded high tensile low carbon steel rod as per UL 467 and as per BS 7430 with copper Coating 250 microns. Earthing system confirming to IS:3034. The ROD should 17.2 mm & 3 Meter length with rod to tape clamp, CR 125 (type A) additional protection of the terminal. Chemical compound should be The highly Conductive Compound as per BSEN 50164-7with 25kg each bag & resistivity should be 0.05 ohm meter. The job includes digging the pit and refilling the same by fursecem Back Fill Compound (Ground Enhancer), the BFC should be eco friendly it should not contain environmentally hazardous material/metal having mixed with 3:1 cement , a conductive concrete is formed. The earth pit should provided with a light weight inspection pit cover PT -205 for protection and safe guard of terminals. In areas where soil condition is bad Good earth is to be arranged to fill the excavated pits by mixing fursecem a convenient and permanent solution by adding with 3:1 ratio chemical compound with the earth electrode is the main component of the earthing system which is in direct contact with the ground and thus provides a mean of releasing or collecting earth leakage currents. The material should have good electrical conductivity and anti corrosion property in wide range of soil conditions. Make : ABB FurseCEM as per RB 336. Each earth pit should contain:- 1.) 1 no. copper bonded high tensile low carbon steel, 17. 2 mm dia , 3 meter length. 2.) Rod to tape clamp (type A). 3.) 25kg chemical compound as per BSEN 50164-7 4.) Light weight inspection pit cover with 5000kg weight load capacity Complete all as specified and directed by Engr-in-charge.

Note: Schedule of credit (SCHEDULE OF CREDIT) amount of Rs ₹ 54,676.00 shall be deducted from the total quoted amount of BOQ.