SPECIAL REPAIRS TO TECHNICAL BUILDING P13 AT UNDER WATER ACOUSTIC RESEARCH FACILITY UARF KULAMAVU AT NOPL KOCHI

Amount

Demolition of Cement Concrete (un-reinforced) in ground floors and pavings not exceeding 15cm thickness (below or above ground level) and removing rubbish off the premises, complete all as specified and 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 and directed.

M&L Rendering 10mm thick in CM 1:3 backing coat for fixing glazed tiles in dado ,on fair faces of brick work or concrete surfaces complete all as specified and directed.

M&LRendering 10mm thick in CM 1:6 on fair face of brickwork or concrete surfaces, finished even and smooth without using extra cement, complete all as specified and directed.

M&LRendering 15mm thick in CM 1:4 on surfaces other than fair face of brickwork or concrete surfaces mixed with WPC , finished even and smooth without using extra cement, complete all as specified and directed.

Complete removal of existing treatment on walls and applying two coat of oil bound distemper emulsion paint, white or tinted, over a coat of primer including a coat of wall care putty of 3mm thick, complete all as specified and directed.

Preparation of new plastered surfaces of walls and applying two coat of oil bound distemper over a coat of primer including a coat of wall care putty of 3mm thick, complete all as specified and directed.

Preparation of old plastered surfaces of ceilings and applying one coat of white wash, complete all as specified and directed.

Complete removal of existing treatment on walls and applying two coat of weather proof exterior emulsion paint, over a coat of exterior primer, complete all as specified and directed.

Preparation of new plastered surfaces of walls and applying two coat of weather proof exterior emulsion paint, over a coat of primer, complete all as specified and directed.

M&LPlain Cement concrete 1:2:4, type B0 (12.5mm graded stone aggregate), 25mm thick as in base courses of floors, finished even and rough to receive top layer of floor finishes, complete all as specified and directed.

M&L Screed bed or bedding layer of mortar 15 mm thick in CM 1:4 for laying floor finishes, complete all as specified and directed.

S&F Non - skid Ceramic tiles 7 to 8 mm thick (square), in floors etc., actual size of tiles shall be 300mm x 300mm, set and jointed in neat cement slurry and pointed in white or coloured cement to match, complete all as specified and directed.

S&F Vitrified ceramic tiles 10mm thick (square/rectangular) area of each tile not exceeding 0.36 sqm, light shade as in floors etc. set and jointed in neat cement slurry and pointed in white or coloured cement to match complete all as specified and directed.

All as per Item No 14 above but on vertical surfaces

S&F Glazed ceramic tiles in vertical surfaces such as skirtings / dado etc., 450 mm x 300 mm x 7 to 8 mm thick, set and jointed in neat cement slurry and pointed in white or colour cement to match, complete all as specified and directed.

S&F Non Skid ceramic tiles joint free light shade ,7 to 8mm thick (square/rectangular) area of each tile exceeding 0.18 but not exceeding 0.38 sqm, in floors etc. set and jointed in neat cement slurry and pointed in white or coloured cement to match complete all as specified and directed.

All as per Item No 17 above but on vertical surfaces

S&F Machine cut kota stone as in skirting and steps 20-25mm thick over cement screed base laid and jointed with grey cement slurry mixed with pigment to match the shade of the slab including rubbing and polishing complete all as specified and directed.

M&L Acid resistant tiles 15mm thick vitreous ceramic, unglazed, set, jointed and pointed in chemical resistant mortar, resin type, in floors complete all as specified and directed.

All as per Item No 20 above but on vertical surfaces

M&L ATT Along the external wall below concrete or masonry apron using chemical emulsion @ 2.25 litres per linear metre including drilling and plugging holes etc. complete all as specified and directed.

Treatment of soil under existing floors using chemical emulsion (Chlorophyriphos 20 EC conforming to IS 8944 or Imidacloprid 30.50 SC conforming to IS 16131 (Refer Table 1 on Sl. Page No. 2 of IS 6313 (Part 2) : 2013)) @ one litre per hole, 300mm apart including drilling and plugging 12mm dia holes with cement mortar 1:2 (1 cement: 2 coarse sand) to match the existing floors, complete all as specified and directed.

Treating at points of contact of wood work by chemical emulsion (in oil or kerosene based solution) (Chlorophyriphos 20 EC conforming to IS 8944 or Imidacloprid 30.50 SC conforming to IS 16131 (Refer Table 1 on Sl. Page No. 2 of IS 6313 (Part 2) : 2013)) @ 0.5 litre / hole by drilling 6mm dia holes at a downward angle of 45 degree at 150mm centre to centre and sealing the same, complete all as specified and directed.

Taking down chowkhats or frames with shutters (without taking off shutters from the frames), not exceeding 1.5 sq.m each, complete all as specified and directed.

Taking down chowkhats or frames with shutters (without taking off shutters from the frames), exceeding 1.5 sq.m but not exceeding 4 sq.m each, complete all as specified and directed.

S&F Plain, solid, straight chowkats and frames using second class hard wood, wrought, framed rebated on the solid, rounded or chamfered, put together with glue pinned at joints, supplied and fixed, complete all as specified and directed.

S&F Plain framed, factory made panelled shutter (any number of panels) of second class hard wood, 35mm thick, with panels of timer flat or both sides (feather edged), or of veneered particle board medium density, wood particle baord with commercial face veneers, complete all as specified and directed.

S&F Multiwood, 18mm thick, made up of UPVC polyster resin (which shall be 100% waterproof, termite and borer proof, corrosion free and fire retardant), fixed with screws to timber frame work, complete all as specified and directed. MAKE:- Thomson, Polywood, Woodtex

S&F Second class hard wood Glazed and skeleton shutters, 30mm thick, open rebated and prepared to receive glass, gauze, etc. (without sash bars), edges of framing plain, chamfered or rounded. fitted with cut and mitred beads for securing glass, etc.; sizes of members of shutters as specified in SSR Part - I, Section 8, clause 8.24 (a); supplied and fitted to chowkats, compplete all as specified and directed.

S&F 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, compplete all as specified and directed.

S&F Solid PVC Door Frame of size 50mm x 47mm made out of 5mm plain colour PVC sheet reinforced with M.S. Square tube, suppling & fixing in opening as per specification & drawing, compplete all as specified and directed.

S&F Butt hinges, 100mm size, medium weight, cold rolled mild steel, and fixed, complete all as specified and directed.

S&FButt hinges, 100mm size, extruded aluminium alloy with galvanised mild steel hinge pin, anodised and fixed, type B-21, complete all as specified and directed.

S&F Aluminium anodised, barrel tower bolts, 200mm long, of extruded section and fixed, complete all as specified and directed.

S&F Aluminium alloy, anodised, sliding door bolt, 300mm long, 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 Aluminium handles, cast type, anodised, 125mm long, complete all as specified and directed.

S&F Floor door stopper of aluminium alloy body and tongue, anodised, with hard drawn steel spring, fixed in floor, overall length of cover plate 150mm including taking down existing unserviceable stopper, complete all as specified and directed.

Harrison rails, anodised aluminium alloy, with fixing brackets, stops, rollers etc., complete all as specified and directed.

Preparation of old wooden surfaces of any description, not otherwise described, over 10cm width or girth and applying a coat of synthetic enamel paint complete all as specified and directed.

Preparation of new or previously untreated wooden surfaces of any description, not otherwise described, over 10cm width or girth and applying two coat of synthetic enamel paint over a coat of pink primer, complete all as specified and directed.

S&F Wash down water closet (pedestal pattern) complete fixed in repairs including connection to drain pipe and anti syphonage pipe including PVC seat cover complete all as specified and directed.

S&F Sheet glass, 4mm thick, ordinary quality and glazing with oil putty in squares not exceeding 0.5 sq. m in each pane, complete all as specified and directed.

Supply& fixed in repairs Vitreous China urinals, half stall type , complete including providing and fixing plus, bedding urinal against wall in cement mortar 1:2 securing urinal to plus with and including 60mm long brass screws, pointing around urinal back in cement; fixing automatic flushing cistern with brackets, flush pipe, grating and Union for discharge pipe. (Exclusive of fixing supply pipe to flushing cistern, trap and waste pipe)

S&F Vitreous China wash basin, flat back, size 580mm x 450mm white, excluding taps, waste pipe, chain and plug and porcelain stopper but including brackets, including cutting for and pinning in ends of brackets or erecting stand with and including provision of Wastecoupling of PTMT 32mm dia (half or full threaded) (Minimum weight shall be 45gms), fixed in repairs, complete all as specified and directed.

S&F Pillar taps, cast copper alloy, with capstan heads, fancy type, chromium plated, screwed down high pressure, with or without lettered 'Hot' or 'Cold' with long screwed shanks and fly-nuts, screwed for iron pipe 15mm bore and fixed, in repairs, complete all as specified and directed.

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

S&FPVC (SWR) floor trap, 75mm dia of outlet, plain with grating including jointing with solvent cement, complete all as specified and directed.

S&F High density polyethylene (HDPE) pipes of pressure rating 6 kgf/sq. cm, 50mm bore, complete all as specified and directed.

S&F PVC valveless, syphonic action type, flushing cistern, 10 litre capacity, low level, white, with inlet, ball valve, float and handle including brackets, 32mm dia flush pipe and connections to pipes and fixing of chain and pull, or lever, if any, fixed in repairs, complete all as specified and directed.

S&F Aluminium anodised tubular towel rail, 20mm dia, D type, 600mm long between flanges, fixed in repairs, complete all as specified and directed.

Taking up or down steel tubing and connections, 15mm bore and removing from site, complete all as specified and directed.

Taking up or down steel tubing and connections, 20mm bore and removing from site, complete all as specified and directed.

S&F Unplasticised PVC pipes 15mm bore of pressure rating 10 kgf / sq.cm fixed complete to walls, ceilings or in floors etc., complete all as specified and directed.

S&F Unplasticised PVC pipes 20mm bore of pressure rating 10 kgf / sq.cm fixed complete to walls, ceilings or in floors etc., complete all as specified and directed.

S&F Bib taps, cast copper alloy, fancy type, chromium plated, with crutch or butterfly handle, screwed down, screwed for iron pipe or for brass ferrule 15mm bore and fixed, in repairs, complete all as specified and directed.

S&F Stop valves, cast copper alloy, fancy type, chromium plated, with long shank and cup (concealed type), screwed down, high pressure, with crutch or butterfly handle, screwed both ends for iron pipe or for unions and fixed, 15mm bore, fixed in repairs, complete all as specified and directed.

S&F Angular stop valves, cast copper alloy, fancy type, chromium plated, with long shank and cup, screwed down, high pressure, with crutch or butterfly handle, screwed both ends for iron pipe or for unions and fixed, 15mm bore, fixed in repairs, complete all as specified and directed.

S&F Gun-metal, globe or gate valves, with iron wheel head, screwed both ends for iron pipe and fixed, 20mm bore, fixed in repairs, complete all as specified and directed.

S&F PVC (SWR) pipes single socketed in any length with rubber ring joints fixed to walls, 110mm bore, complete all as specified and directed.

S&F PVC (SWR) pipes single socketed in any length with rubber ring joints fixed to walls, 75mm bore, complete all as specified and directed.

S&F PVC (SWR) junction single, (Single T) equal or unequal, with access door, 110mm bore, complete all as specified and directed.

S&F PVC (SWR) reducers, 110mm bore, complete all as specified and directed.

S&F PVC (SWR) vent cowl, 110mm bore, complete all as specified and directed.

S&F PVC (SWR) bends any radius, 110mm bore, with access door, complete all as specified and directed.

S&F PVC (SWR) bends any radius, 75mm bore, with access door, complete all as specified and directed.

Demolition of brickwork or stone / boulder masonry, built in cement mortar including all quoins, arches, pillars, etc, but excluding ashlar facings, dressed stonework and precast concrete articles, complete all as specified and directed.

M&L Pre-cast cement concrete block masonry with solid blocks, in 1:3:6, type C1 (20mm graded stone aggregate) exceeding 10cm in width and setting in CM 1:6, complete all as specified and directed.

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

M&LReinforced cement concrete M-30 Design mix as in Columns, pillars, piers, posts and struts complete all as specified and directed.

Formwork to sides of pillars, posts, struts, piers, columns, and stanchions complete all as specified and directed.

Mild steel TMT bars 6mm to 8mm dia, Fe 500 grade, as in reinforcement, cut to length, bent 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 securing with clips, complete all as specified and directed.

Taking down existing roof treatement of any description including roof plaster and removing the debries to distance exc. 500m and depositing out side MD land all as directed.

M&LRendering 10mm thick in CM 1:4 on fair faces of brick work or concrete surfaces, mixed with water proofing compound and finishing the surface even and smooth with out using exta cement, complete all as specified and directed. NOTE:- Water proofing compound shall be measured and paid separately under respective item of this BOQ.

M&L for Water proofing treatment with water base polyurethane modified dispersion shall be carried out all as specified as under: - (a) Mechanical cleaning of surface to make it free from any bituminous residue / dirt. Oil and greese etc all as directed by AGE(I) / Engineer-in-Charge. (b) M&L for Cracks treatment by cutting open cracks and cleaning it from dirt loose materials etc and filling with polyurethane based sealant with and including application of PU based primer all as directed by AGE(I) / Engineer-in-Charge. (c) M&L for Applying water based polyurethane modified dispersion (single component cold applied, non toxic, VOC complaint) in 03 coats including 01 coat of primer of same material after dilution of water at 50% or specific primer matching same material as per manufacturer specification and as directed by AGE(I) / Engineer-in-Charge.

Supply only water proofing compound, complete all as specified and directed.

M&L PCC 1:3:6 type C2 using 40mm graded stone aggregateas in surface channel and drains complete all as specified and directed.

Extra for forming fair finished drain or channel 30 cm inner girth in cement concrete, using extra cement, including forms, moulds, mitred / stopped ends etc., complete all as specified and directed.

S&F Powder coated aluminium door shutters, aluminium section weighing 0.55kg/m including necessary joining cleats, glazing clips, rubber neoprene packing, handles 2 Nos in each door, hinges, anodised aluminium snap beading, screws etc. complete all as specified and directed.

S&F Powder coated aluminium window and ventilator shutters, fixed type without sash bar, aluminium section weighing 0.55kg/m including necessary joining cleats, glazing clips, rubber packing, anodised aluminium snap beading, screws etc. complete all as specified and directed

S&F Sheet galass 5.5mm thick ,ordinary quality, exc 0.50 Sqm each pane and glazing with putty/gasket complete all as specified and directed

S&FAnodised aluminium frame for doors with one or more rebates including joining cleat for fixing etc. complete all as specified and directed

M&L RCC M-30 design mix as in Slabs supported on walls, beams and columns in floors, roofs, landings, balconies, canopies, deck slabs and in the shelves and the like complete all as specified and directed

Formwork to chullah hoods, , troughs and similar items including edges complete all as specified and directed.

S&F Granite (of any type) tiles 20mm thick machine cut, bedded and jointed with grey cement slurry and pointed with white cement with admixture of pigment to match the shade of granite stone including cutting and polishing complete all as specified and directed

Rounding to edges of stone slabs one edge, such as in steps, cooking platform, and other similar situations complete all as specified and directed.

S&F Collapsible steel gates, top hung, consisting for channel pickets, pivoted flat bars, top and bottom runners, brass handles etc., as specified, erected in position and securing runners with holdfasts and brackets, complete all as specified and directed.

M&L preparation of old steel Surfaces of any description, over 10cm in width or girth, not otherwise described applying one coat of synthetic enemal paint complete all as specified and directed.

S&F sinks made of stainless steel 1mm thick kitchen or laboratory with plugs, washers and wastes; including bedding in cement mortar on dwarf wall or including fixing cantilever brackets and connecting union to pipe, overall size 485mm x 420mm bowl size 410mm x 3330mm x 160mm complete all as specified and directed.

Dismantling water tank excd 500litre and n.excd 1000l capacity and removal to store complete all as specified and directed.

S&FRotational moulded polyethylene water storage tanks 1000 Litre capacity(cylindrical vertical with closed top) hoisted and fixed in position all as specified in SSR Part Icomplete all as specified and directed

Dismantling Wall and ceiling boards (fibre, pulp, insulation, etc.) or insulation boards/slabs/blankets, any thickness, including cover fillets complete all as specified and directed.

S&F Perforated particle board/tiles or 12 mm thick for insulation and accoustic purpose, 60x60 cm in size, fixed with nails to timber frame work or with stapples on snap grid for ceiling including two coats of oilbound emulsion distemper over a coat of primer complete all as specified and directed.

S&FHangers 6mm dia GI (upto 1200mm length) adjusting level fixed to roof slabs by means of ceiling cleats made out of GI flat 40 x 3mm size 60mm long and expansion hold fasteners 12.5mm dia, 40mm long complete all as specified and directed.

S&F Aluminium anodised snap grid frame work for false ceiling all as specified and directed

Dismantling structural steel work including doors, gates but excluding framed truss etc

Dismantling of Plain or corrugated steel sheeting, any gauge, thickness, including Nainital or similar pattern roof coverings

Taking down carefully old and unserviceable aluminium point wiring for light/fan/socket or power point complete including fittings such as switches, ceiling rose, pendents, regulators, sockets, bell, distribution boards and MCB's etc and making good disturbed surface of walls. floors etc to match with the existing surface complete all as specified and directed.

Point wiring complete with 1.5 sq.mm IS-694 single PVC insulated unsheathed multi-stranded FRLS grade copper conductor 1100 V grade drawn through in and including non-metallic rigid 25 mm dia PVC conduit, medium grade, and conduit accessories, concealed in walls and terminated to and including provision of modular metal flush boxes factory made of GI with modular cover plate and frame of suitable type for mounting modular switches, sockets / regulators etc., including 1.5sq.mm PVC insulated unsheathed multi-stranded FRLS grade copper conductor cable as earth continuity conductor and connecting to common earth dolly with brass screws, washers etc., complete all as specified and directed for for the following items of work. NOTE:- The quoted rate shall deemed to include the following: (i) Cutting chases and making good to match with the existing surfaces (ii) Provision of modular metal boxes and modular metal frame plate with white covers (iii) Provision of blank plates as per site requirement

One light point controlled by modular switch 6 Amp, single pole, one way, one module, 240V, complete all as specified and directed.

One ceiling Fan/Exhaust Fan point controlled by modular switch 6 Amp, single pole, one way, one module, 240V, complete all as specified and directed.

One 5 Amp socket outlet point on independent board controlled by modular switch 6 Amp, single pole, one way, one module, 240V, complete all as specified and directed.

One bell point controlled by modular bell push switch 6 Amp, single pole, one way, one module, 240V, complete all as specified and directed.

One 5 Amp socket outlet point on same board controlled by modular switch 6 Amp, single pole, one way, one module, 240V, complete all as specified and directed.

One light point controlled by 02 No 2way modular switch 6 Amp, single pole, one module, 240V, complete all as specified and directed.

All as per item No 100 above but with 2.5 sq mm single core copper conductor PVC insulated and unsheathed FRLS cable, 1100 volts grade IS -694 marked with 2.5 sq mm single core copper conductor PVC insulated and unsheathed FRLS cable as in earth continuity (incl connecting to earth dolly) suitable for 15 amp socket outlet point complete all as specified and directed.

All as per item no 100 above but with 4.0 sq mm single core copper conductor PVC insulated and unsheathed FRLS cable, 1100 volts grade IS -694 marked with 4.0 sq mm single core copper conductor PVC insulated and unsheathed FRLS cable as in earth continuity (incl connecting to earth dolly) suitable for AC Point point complete all as specified and directed.

S&F switch modular type, 6 amp, 240 volts grade, one way.

S&F switch modular type, 16 amp, 240 volts grade, one way.

S&F bell push modular type, 6 amp, 240 volts grade.

S&F switch modular two way one module 6amps, 240Volts.

S&F socket outlet modular type, 6 amp multipurpose type 240 volts, two module.

S&F socket outlet modular type, 6/16 amp multipurpose type 240 volts, two module.

S&F call bell Ding dong type 240 volts.

S&F electronic ceiling fan regulator,120W, modular type, two module, stepped type heavy duty suitable to work on 230 volts complete all as specified and directed.

S&F ceiling rose PVC/polycarbonate three terminal surface bakelite complete all as specified and directed.

Supply & Fixing Batten type LED light fitting 2 X 20 Watts with 2nos LED tube , with integral LED driver complete all as specified and directed.

Supply & fixing LED luminaire 36 watts of size 595 mm x 595 mm, recessed type suitable for armstrong / grid ceiling complete with high efficiency LEDs and electronic driver duly pre wired including connecting up with driver three core flexible copper conductor cable of suitable size complete all as specified and directed.

Supply & Fixing LED lights fitting 1 X 20 Watt 220V,batten type with aluminium housing and integrated electronic driver , holder including LED light connecting up with three core flexible copper conductor cable of suitable size from ceiling rose complete all as specified and directed.

Supply and fixing street light fitting LED 40 W, includung suitable size GI pipe bracket bent to shape and fixing clamps on walla with necessary electric connection complete all as specified and directed

Dismantling and taking down ceiling fan any size for servicing by cleaning dust, filling cavities with filler and painting complete with synthetic enamel paint by spraying and re fixing the same in position, connecting and testing all as specified and directed.

Supply & fix exhaust fans metallic range single phase 230 V of size 230 mm sweep with louver all as specified and directed. Make Havells, Model No Ventil Air-DSP

S&F sheet metal enclosure for TPN DBs when MCBs to be used , double door three phase 415 volts 6 ways complete all as specified and directed.

Supply, fixing, testing and commissioning of MCBs 240/415 V, 10 KA rupturing capacity , IS-8828 marked, of the under mentioned type and rating in DBs all as specified and directed (DBs Catered separately in this Schedule) :- Note :- Make of the MCB should be the same as that of DB

MCB TPN 40 Amps, 'C' Curve

MCB SP 05-32 Amps, 'C' Curve

S&F in replacement of sheet metal enclosure, metal clad, 240V, 20 Amps, with double pole MCB 20 Amps with two pin and earth plug and socket complete all as specified and directed (For ACs).

Sub main wiring complete with 4 runs of 6.0 sq.mm PVC insulated and unsheathed 1100V grade multistranded FRLS grade copper conductor cable drawn through and including provision of concealed non-metallic rigid PVC conduit 25mm dia medium grade and its accessories and connecting terminal ends to DB's including providing two runs of 6.0 sq.mm PVC insulated unsheathed multistranded FRLS grade copper cable as earth continuity conductor and connecting to common earth dolly, fixed in repairs, complete all as specified and directed. NOTE:- (i) Four runs of 6.0 sq.mm copper conductor, two runs of 6.0 sq.mm copper earth continuity conductor shall be measured as one unit length. (ii) Extra length of cable / wire required for connection to MCBs shall not be measured and the rate quoted per unit shall deemed to be inclusive of the same accordingly.

Telephone socket outlet RJ 11 with shutter including modular white cover plate with frame complete all as specified and directed

Modular metal flush mounting boxes, concealed for mounting TV socket /Telephone socket upto three module etc all as specified and directed.

Telephone wire multi core cable of 5 Sqmm 3 pair made of annealed solid electrolytic grade of copper polyethelene insulation, paired, fire retardant from telephone DB to each socket complete all as specified and directed.

Rigid non-metallic PVC conduit exclusive of boxes (junction/ terminal) but inclusive of all tees, bends, elbows, reducers, bell mouth tube ends and fixing accessories such as couplers, lock nuts, saddles, pipe hooks etc of size 25 mm dia medium grade for telephone wire including concealed in wall by cutting grooves on existing wall all as specified and directed

Earthing complete with GI earth plate electrode 600mm x 600mm x 6.3mm thick buried directly in ground vertically to a depth of not less than 2.25m deep below ground level with the top edge of earth plate at a depth of not less than 1.5m below ground level connected to GI earth strip of size 25 mm x 4 mm by means of bolts, nuts, washers of galvanised iron or steel, GI earth strip shall be protected by 40mm dia GI pipe 'light grade' upto 7.5m length or test point, watering pipe 20mm dia GI pipe 'medium grade', GI wire meshed funnel, alternate layer of charcoal and salt on all side to earth plate upto a thickness of 150mm, filling of black cotton soil in earth pit upto GL, and connected to earth plate including necessary excavation & earthwork, PCC (1:3:6) type C-1 earth chamber, 50mm thick RCC cover (1:2:4) type B1 mix with 8mm dia nominal reinforcement @ 100mm c/c both ways etc complete all as shown in electrical plate No.3 connected to earthing test point, including testing on completion, complete all as speciified and as directed. NOTE:- (a) Rate quoted shall deemed to include cost of excavation in any type of strata, RFR and removal upto 50metre, PCC pit, funnel and RCC cover plate. (b) Rate quoted shall deemed to include earth strip and GI protection pipe. (c) Rate quoted shall deemed to include taking down old items.

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N.O. Antony Contractors