SPECIAL REPAIRS AT WSA COMPLEX AND ARMOURY BUILDING AT AF STN HASIMARA

Amount

Cutting out crack to V-section in existing roofs or terracing, cleaning out, wetting, grouting with cement sand slurry (1:3), complete all as specified and directed.

Taking out old damaged tarfelt or membran of any description including screed bed or bedding layer and removing of debris to a distance exc. 50m and n. exc. 100m and cleaning roof surfaces to remove all loose dust etc., roughening surfaces of old concrete roof by picking, sweeping clean and washing down with water using wire brush, brooming down and applying the following treatment all as directed in order of precedence as stated: (a) Brushing neat cement slury with 3.0 kg of cement per Sqm. (b) 15mm thick screed bed or bedding layer in CM (1:4) with water proofing compound as per manufacturer instruction on existing roof surface true to level. (c) Applying one coat of bituminous primer @ 0.40 Ltr/Sqm. (d) Supply and laying 3mm thick APP based polymeric membrane of approved manufactured with weight not less than 3.50 Kgs per Sqm reinforced with non-woven polyester fabric weighing not less than 160gms per Sqm having softening point not less than 150°C, having tensile strength of 650 N/Sqcm and 350 N/Sqcm in longitudinal and transverse directions respectively of the reinforced tearing strength of 180 N by torch application. Polymeric membrane shall be taken to a height of 30cm (minimum) and then inserted inside the groove of parapet wall and shall be finished by a membrane flashing. Note:- (i) Laying APP based polymeric membrane shall be done torch on method as per manufactures instructions. (ii) A minimum overlap of 100mm and 75mm should be made at the end and sides of the polymeric membrane respectively and sealed all overlaps and joints as per manufacturers instruction. (iii) APP based polymeric membrane shall be of any one of the approved makes as specified here-in-after and shall conform to specifications given in IS 16540-2017/1S 16532 2017. (iv) Contractor shall produce necessary test certificate of the manufacturer to the Engr-in-Charge before incorporation in the work. (v) Necessary independent tests shall also be carried out by the contractor without any extra cost to the Deptt as per relevant IS specifications and membranes with satisfactory test results shall only be incorporated in the work. (vi) WPC shall be measured and paid separately as supply only. (vii) The work shall be executed through authorised applicators of original manufacturer only.

Demolition of unreinforced cement concrete in roofs, floors (other than ground floors), beams, staircases, landing, chajjas and similar suspended work, complete all as specified and directed.

M&L for PCC (1:2:4) type B0 (using 12.5mm graded crushed stone aggregate) with water proofing compound as per manufacturer's instruction in padding, complete all as specified and directed. (Note water proffing compound shall be measured and paid separtly)

Supply only liquid water proofing compound conforming to IS: 2645 - 1975 specification, complete all as directed

M&L for 10mm thick rendering on fair faces of brick or stone masonry surface in CM (1:6) finished even and smoth, complete all as specified and directed.

M&L for 5mm thick rendering on concrete surface in CM (1:3) in ceiling/chajja finished even and smoth, complete all as specified and directed.

Taking down cement plaster of any description on brick or stone walls, etc., including raking out joints, hacking for key, scrubbing down with water, etc, complete all as specified and directed. (Note: Plastering work at maximum 7m height quoted rate shall deemed to be included for Necessary scafolding, safety belts required, which shall be provided by the contractor)

M & L for rendering 15mm thick in two coats (10mm+5mm each) on fair faces of brick work or concrete surfaces of wall in CM (1:4), mixed with integral water proofing compound top layer as per manufacturer's instructions and finished the surface even and fair without using extra cement, complete all as specified and directed. (Note : WPC shall be measured and paid separately against respective item as supply only.)

M&L for preparation surfaces and apply three coats of colour wash on newly plastered wall surfaces, complete all as specified and directed.

M&L for preparation old surfaces of plastered or unplastered old decorated surfaces of walls by brooming down or steel wire brushing; scrapping down smoke soot, moulds, moss and efflorescent salts and trading oil and greasy spots and applying one coat of colour wash on walls including cornices, pilasters etc, complete all as specified and directed.

M&L for preparation old surfaces of plastered or unplastered old decorated surfaces of walls by brooming down or steel wire brushing, scrapping down smoke soot, moulds, moss and efflorescent salts and trading oil and greasy spots and applying one coat of colour wash on ceiling including cornices, pilasters etc, complete all as specified and directed.

Demolition of cement concrete (un-reinforced) in ground floors and pavings n. exc. 15cm thickness (below or above ground level), complete all as specified and directed.

M&L for 100mm thick PCC (1:3:6) type C-2, (using 40mm graded stone aggregate) as on sub base, floor etc., complete all as specified and directed.

M&L 50mm thick PCC (1:2:4) type B-1, (using 20mm graded crushed stone aggregate) as on sub base, floor etc finished even & smooth without using extra cement, complete all as specified and directed.

M&L for forming construction joint 30mm deep x 10mm wide filled with bituminious sealing compound, Grade ‘B’, complete all as specified and directed.

M&L for forming contraction (dummy) joints 65mm deep x 10mm wide, filled with bituminious sealing compound, Grade ‘B’, complete all as specified and directed.

M&L for moorum/red bajri filling in floors or pavings, laid in layers n exc. 15cm thick, spread, levelled and rammed including watering, complete all as specified and directed.

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

M&L for brickwork with old size brick, fly ash bricks, sub-class 'B' bricks, straight or curved on plan exc 6m mean radius, built in CM (1:6), complete all as specified and directed.

M & L for PCC (1:2:4) type B1 (using 20mm graded crushed stone aggregate) as in surface channel or drains including necessary form work, complete all as specified and directed.

M&L for PCC (1:2:4) type B1 (using 20mm graded crushed stone aggregate), cast in situ, in benching, coping and the like etc including weathering, slightly rounded or chamfered angles and throating including necessary form work, complete all as specified and directed.

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

S&F in repair galvanised mild steel wire cloth, 0.56mm nominal dia of wire and average width of aperture 1.00mm and fixed with tinned tacks, or galvanised wire staples, complete all as specified and directed.

S&F in repair steel rolling shutters (thickness of laths in 1mm), with out ball bearing, as specified including top cover, anchoring rod, hasp and staple and one shop coat of primer, erected in position as indicated, push pull or manual type, complete all as specified and as directed.

S &F in repair 75mm bore PVC (SWR) soil, waste and vent pipes single socked in any length with rubber ring joints fixed in floors or trenches, complete all as specified and as directed.

S&F in repair 75mm PVC (SWR) bends any radius, complete all as specified and as directed.

S&F in repair 75mm PVC (SWR) vent cowl, complete all as specified and directed.

Dismantling of plain or corrugated steel sheeting any gauge thickness including nainital or similar pattern roof covering, complete all as specified and directed.

S&F galvanised, corrugated mild steel sheeting 0.63mm thick with two corrugations side lap, fixed with L-type or J-type or cranked hook bolts in lieu of screws with rubber washers with grade of zinc coating, complete all as specified and directed.

Fixing only old galvanised, corrugated mild steel sheeting 0.63mm thick with two corrugations side lap, fixed with L-type or J-type or cranked hook bolts in lieu of screws with rubber washers received from dismantling, complete all as specified and directed. Note: Serviceable CGI sheet obtained from dismantling shall be re-used.)

S&F of 0.63mm thick plain mild steel sheeting in ridges, hips, valley gutters,drip and straight flashings (length and girth as fixed) fixed with L-type or J-type or cranked hook bolts in lieu of screws with rubber washers with grade of zinc coating 275 gm/Sqm, complete all as specified and directed.

M & L for two coats of synthetic enamel paint of approved tint/design, pattern over a coat of red oxide primer on steel and iron surfaces of any description over 10cm width or girth not otherwise described including preparing new zinc(or galvanised) surfaces to receive painting by coating with mordant solution including washing and cleaning, etc at any height, complete all as specified and directed.

M&L for preparation of old painted steel surfaces and applying one coat of synthetic enamel paint on surfaces of any description over 10cm width or girth, complete all as specified and as directed.

M&L in repair 2nd class hardwood wrought in timber scantling to replace old and decayed timber (including piecing,scarfing, etc., of old and new timbers if required) and removing defective of 2nd class hardwood wrought in timber scantling, complete all as specified and as directed.

M&L for (preparation of new or previously untreated wooden surfaces) two coats of synthetic enamel (ordinary tint each coat) over a coat pink primer, complete all as specified and as directed.

Dismantling of 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 for GI frame work for seamless ceiling comparising of GI perimeter channel 0.55mm thick with two unequal flanges of 20 and 30mm and web of 27mm fixed to surrounding wall using nylon sleeves and screws at 450mm centre to centre/intermediate channel 0.9mm thick having two equal flanges of 15mm each and web of 45mm suspended from soffit at approx 900mm centre to centre with GI cleat and steel expansion fasteners with and including ceiling section (not exc 1.2m length) of 0.55mm thickness having kurled web of 50mm flange of 26mm each with lips of 10.5mm fixed to the intermediate channel with connecting clips across the intermediate channel at 457mm centre to centre, grid 600 x 600mm panel size, fixed in proper position including 6mm thick non asbestos cement building E board for fixing in 600mm x 600mm grid, fixed to GI frame work with screwed on snap grid complete all as required at site, complete all as specified and directed.

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.

M&L for coloured glazed ceramic tiles area of each tile glazed ceramic tiles 350x 250x 7mm/ 450X 350X 7mm thick set and jointed in neat cement slurry, on vertical surfaces such as skirting, dados and risers to steps etc, set and jointed in neat cement slurry to match the shade of the tile including 10mm thick backing coat in CM (1:4), complete all as specified and directed.

M&L for coloured Non - skid ceramic tiles 7 to 8mm thick (square/ rectangular) area of each tile exceeding 0.11 sqm but not exceeding 0.18 sqm, in floors etc. set and jointed in neat cement slurry and pointed in white or coloured cement to match including 15mm thick screed bed or bedding layer in CM (1:6), for laying floor finishes, complete all as specified and directed.

M&L for light shade virified ceramic tiles 10mm thick (square/rectangular) polished, area of each tiles not exceeding 0.36 sqm, in floors etc. set and jointed in neat cement slurry and pointed in white or coloured cement to match over and including 15mm thick screed bed or bedding layer of cement mortar in CM (1:6) 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.

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

S&F in repairs vitreous china wash down water closet pan (pedestal pattern), with 'P' or 'S' trap white (excluding fixing bolts, flushing cistern and flush pipe) including plastic seat cover, complete all as specified and directed.

S & F in repairs vitreous china ware wash hand basin white, flat back, size 630 x 450mm size (flat back or angle back type) including cutting for and pinning ends of brackets or erecting stand including pedestal, complete all as specified and directed.

M&L for 32mm Waste fittings, brass chromium plated for glazed ware sinks, basins etc with long screwed shanks and fly-nuts, flange end bedded in red lead cement and other end, complete all as specified and directed.

S&F in repairs health faucet (ABS body) mild steel chromium plated suitable for 15mm dia pipe with 1.25 metre long flexible tube and ABS wall hook including making connections and fixed in position, complete all as specified and directed.

S&F in repairs 10 Liters capacity, low level flusing cistern, PVC, white, with inlet ball valve, float, handle, 32mm bore PVC flush pipe including brackets and connections to pipe, complete all as specified and directed.

S&F in repairs 15mm bore stops valves, cast copper alloy, chromium plated, fancy type, with capstan head screwed down, high pressure, screwed both ends for iron pipe or for unions, complete all as specified and directed.

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

S&F in repairs for 15mm bore PTMT connecting pipe 450mm long fitted with brass unions to connect iron pipe to PVC pipe on both ends and fixed, complete all as specified and directed.

S&F in repair sinks made of stainless steel 1mm thick kitchen or laboratory with plugs, washers and wastes;including bedding in cement mortar on to dwarf wall or including fixing cantilever brackets and connecting union to pipe, overall size 495mm x 420mm bowl size 410mm x 330mm x 160mm, complete all as specified and directed.

S&F in reapir 15mm bore bib taps, cast copper alloy chromium plated fancy type with capstan head, screwed down, screwed for iron pipe, complete all as specified and directed.

S&F 500 litres capacity rotational moulded polyethylene water storage tanks three layered, (cylindrical vertical with closed top) ISI marked, confirming to IS 12701-1989, with lid, hoisted and fixed in position all as specified in SSR Part-I, all as specified and as directed. The date of installation to be mentioned on tank with synthetic enamel paint with letter size 10cm high in white colour, over a black background of appropriate size,as (DD/MM/YR) with sign from occupant including dismantling of old unserviceable water tank, complete all as specified and directed.

S & F 15mm bore galvanized steel tubes, medium grade with all fittings and fixed complete to walls and ceiling or laid in floors including taking up or down old steel tubing and connections, including cleaning for re-fixing or removal to store, complete all as specified and directed.

S & F 20mm bore galvanized steel tubes, medium grade with all fittings and fixed complete to walls and ceiling or laid in floors including taking up or down old steel tubing and connections, including cleaning for re-fixing or removal to store, complete all as specified and directed.

Taking down chowkats or frame exc 1.5 sqm but n. exc. 4.00 sqm each with shutters without taking off shutters from the frames, complete all as specified and directed.

S&F 2nd class hardwood plain,solid,straight chowkats and frames, wrought, framed rebated on the solid, rounded or cahmfered put together with glue pinned at joint, complete all as specified and directed.

M&L 35mm thick 2nd class hardwood factory made plain framed panelled shutter (two panel) with lock rail and panel of 9mm B.W.P commercial ply or 12mm veneered particale board with commercial veneering on both faces. The size of rail and stile as per IS : 1003 (Part I) kiln seasoned and chemically pressure treated, complete 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 MS square tubes, as per specifications and drawing, complete all as specified and directed.

S&F factory made solid PVC door shutter 30mm thick (stiles), consisting of frame made out of MS tubes for top and bottom rails MS frame shall be covered with heat moulded plain colour PVC 'C' channel having a PVC strip of 20mm width stuck in insde 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 MS frame welded/sealed to the stiles & rails with suitable PVC sheet beading and joined together with solvent cement, 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 section or cast-aluminium alloy, complete all as specified and directed.

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

S&F 150mm size alluminium, anodized barrel tower bolts of extruted section, and fixed, complete all as specified and directed.

S&F 150mm size extruded aluminium door handles, fabricated type, complete all as specified and directed.

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

Dismantling posts or struts (wood, steel or RCC) any section, embeded in concrete, brick work, masonry etc including taking out embeded portion and making food disturbed ground, complete all as specified and directed.

Dismantling fencing wire mesh, any type, complete all as specified and directed.

Excavating in post holes in soft/loose soil(or similar holes) each n exc 0.5 cum, getting out, returning, filling in and ramming earth or broken rubble mixed with earth around, in layers not exceeding 25cm, complete all as specified and directed.

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

S&F Hand rails, half round or other steel section or core for wooden hand-rail straight portion,drilled and countersunk for balusters running bars, for doors, balusters, nosing to steps including embeding in concrete and screwing etc. wind ties for roof including securing bolts posts and struts in fencing including cutting tops to shape as directed, drilling holes, notching for wire, etc.; flat iron fillets (for securing wire mesh etc.) including all necessary drilling, bolting or riveting, etc., and similar work conforming to Fe-290 Gde E-165, complete all as specified and directed.

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

M&L for mild steel TMT bars 10mm dia and over, 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.

Supply only chain link fencing including line wires mate out of 3.15mm dia hot dipped galvanised iron wire of mesh size 50mm x 50mm, complete all as specified and directed. (Note: Per meter weight of chain link brought by the contractor shall be fixed through a BOO.)

Fixing only chain link fencing including line wires, any mesh, size and type to any type of standards, rails, straining bolts, etc. including provission of binding wire, complete all as specified and directed.

S&F in repair galvanised. 2 strand, steel barbed wire 2.24mm dia barbed with 2mm dia barbs at 75mm spacings and straining and fixing to any type of standard rails strain- ing bolts, including, securing or tying at crossings with and provision of galvanised mild steel wire, staples or steel pins, etc. as directed (each line wire to be measured), complete all as specified and directed.

Taking down deformed concertina coil and re-fixing the same after straightening to proper circular shape, by GI wire of not less than 2mm dia with existing MS angle frame, complete all as specified and directed.

S&F in repair for 900mm dia barb (unstretched) conseczal super razor punched tape (SRPBT) aluminium base helix coil with and including necessary GI fixing clips for securing, complete all as specified and directed. Note: No of circles - 51 turns per coil, weight of each coil with hessian pack 13 Kg (+ 0.5), coverage per coil - 8 RM, central core wire :- Made from 2.5mm dia (+ 0.05mm) GI - H.T.S.S wire as per IS -4454 Part l grade SM UTS : 1600N / sqmm with zinc coating of 240 gm per sqm, galvanized as per IS-2629, Razor punched strip - Razor punched tape is CONSEC-ZAL steel comprising of aluminium base with zinc alloy @ 150 gm per Sgm confirming to ASTM A-792 / A-792M with additional primer treatment of epoxy / polyurethane of 2-m micron thick and final paint top coat of certified green shed (BSL 139) by hot dipping process of 15 micron thick, length of barb 23.5mm (+1 mm), width of barb 18.6 mm (+ 1mm), centre to center pitch 36mm (+ 1mm), centre width 7.4 mm (+ 1mm), GI fixing accessories "C" clip 2mm wire diameter, 40mm long, 15mm center dia "U" clip 1mm thick, 28mm straightened length, " J" clip:- 31mm length, 8mm width, 1mm thick.

M&L for preparation of new steel surfaces of any description over 10cm width or girth and applying two coats of synthetic enamel paint (1st grade quality) over a coat of red oxide primer, complete all as specified and directed.

M&L for preparation two coats of synethic enamel paint over a coat of red oxdie primer (new steel surfaces of any description, n. exc. 10cm in width or girth, not otherwise described), complete all as specified and directed.

Removing building materials etc (old concrete & debries obtain from demolition to a distance of exc. 300m but n. exc. 500m, beyond the lead included in the rates, including loading, unloading and stacking at the destination, complete all as specified and directed.

M & L for flameproof point wiring surface/ concealed type with 1.5 Sqmm (nominal cross sectional area) with PVC insulated, unsheathed single core stranded, copper conductor Zero Halogen Flame retardant (ZHFR) cable of working voltage 1100 volts grade, conforming to IS-694, drawn in and including steel surface conduit with all fittings & accessories such as FLP flexible conduit, FLP junction box, bends, brass gland for switch/socket/fittings etc. with 1.60mm thick pressed steel or mild steel sheet sunk box, including 1.5 Sqmm (nominal cross sectional area) PVC insulated, unsheathed, single core, stranded copper conductor Zero Halogen Flame Retardant (ZHFR) cable as earth continuity conductor connected to main switch/ 'DB's or common earth dolly for one fan/light point controlled by one 16 amps single pole, FLP switch, complete all as specified and directed.

All as per item No. 90.00 here-in before but one 3 pin socket outlet. 15 amps, independent, with 4 sqmm size copper conductor (ZHFR) cable and earth continuity conductor, complete all as specified and directed.

S&F switch flame proof rotary type with termination box in LM6, 16A, single pole, 250V, complete all as specified and directed.

Flame proof switch socket & plug combined cable termination box in LM6, 16A, 250V, 4P+earth (5 Pin) having foolproof interlocking i.e plug cant be removed in ON condition, complete all as specified and directed.

Supply and fixing LED light fitting 2 x 16 Watt flame proof, CMRI certified recommended for gas/ vapor group of IIA & IIIB, Zone 1 & 2 and IP 65 protection with die cast aluminum hosing with heat resistant toughened glass with LED tube light fixtures driver, holders, connector etc. Complete with all accessories prewired and including connecting up with three core flexible copper conductor cable and flexible steel conduit of suitable size upto nearest ceiling rose, complete all as specified and directed.

Supply and fixing of flameproof cum Waterproof LED Bulk Head light fitting of 60W, IP66 protection of Cast Aluminum alloy material and Heat and Impact resistance toughen 'A' clear glass having Anti corrosive epoxy powder coated finish complete with all accessories pre wired and including connecting up with three core flexible copper conductor cable with suitable size, complete all as specified and directed.

M & L for sub main wiring in repairs of two run 6.0 sqmm single core PVC insulated, unsheathed multistranded copper conductor FRLSH cable 1100 Volt grade, drawn through and including PVC conduit, heavy duty, of not less than 25mm size ISI marked including all conduit accessories for fixing to the surfaces of the wall/ceiling/trushes/steel structure including one run of 6.0 sqmm single core PVC insulated unsheathed multistranded copper earth continuity conductor of FRLSH, complete all as specified and directed. (Note : Two runs of single core cable with one run of earth continuity conductor including PVC conduit shall be measured and paid as one length of sub main.)

Supply and fixing flame proof sheet metal enclosure for double door IP 66 MCB DBs, phosphatised, powder coated, MCB Triple Pole & Neutral (TPN) 63 Amp 'C' curve- 01 No. as incomer and 40 Amp SP MCB - 6-32 Amp 'C' curve - 12 Nos. as ougoing connection, 415 volts, IP 43 & IK 09 with metal door fixed on wall with din rail, neutral and earth bar, in proper position, complete all as specified and directed. Note: Rates of MCB TPN & SPN shall be included in the unit quoted rates.

M & L for flame proof junction box 4 way 100mm dia with plain cover, complete all as specified and directed.

M & L for flexible metalic hose conduit of 25mm bore, complete all as specified and directed.

M & L for mild steel work for out door cover of flame proof TPN DB including cross arm , bracings, supports, clamps and back plates, fabricated from structural steel sections, including nuts, bolts, washers, welding, bending cold or hot, drilling holes for bolts, in any shape or size as indicated or directed and inclusive of applying two coats of synthetic enamel paint, over a coat of red oxide primer after preparation of surfaces, complete all as specified and directed.

Supply, laying & testing of XLPE insulated, armoured heavy duty electric cable with aluminium conductor, 1100 volts grade, cross- sectional area 16 sqmm 4 core, complete all as specified and directed. Note : Excavation and earth work shall be measured and paid separately under respective items.

Excavation in trenches not exceeding 1.5 metre wide and not exc 1.5 metre in depth for foundation of pole / stay, or cable trenches and getting out in soft/loose soil, complete all as specified and directed.

Returning filling in including spreading, leveling, watering and well ramming in layers not exceeding 25cm in soft/loose soil, complete all as specified and directed.

Removing excavated materials to a distance not exceeding 50 mtr and depositing where directed at a level not exceeding 1.5 metre above the starting point in any type of soil, complete all as specified and directed.

Supply and laying double walled corrugated (DWC) HDPE duct pipe of 40mm dia conforming to IS, approved colour complete with fittings for cable protection, complete all as specified and directed.

M&L for earthing of equipment complete with copper earth plate electrode 60×60cm.× 3.15mm thick , buried directly in ground (earth pit not less than 2.25 metres deep below ground level) with top edge of the plate not less'than 1.5 metres below normal ground level, connected to existing earth lead strip by means of bolts, nuts, check nuts and washers of brass or HS steel all as shown in electrical plate No. 3 connected to earthing test point and and necessary excavation and earth work PCC (1:2:6) type C-1 with suitable size of CI cover plate with angle iron frame and opening arrangement ) incl providing charcoal or coke and common salt in alternate layer of 15cm compacted thickness all around the earth electrode with funnel and 20mm bore galvanized iron watering pipe (light grade) wire mesh, copper lugs, complete in all respect,including Copper earth strip 20x3.15mm, 40mm bore (medium grade) galvanized iron pipe up to earthing test point as directed, incl disposal of soil to a distance not exc. 50 mtr and necessary testing on completio, complete all as specified and directed. Note : (i) Test result after installation should be less than 5 Ohm. (ii) Excavation/earth work is deemed to be included in the unit quoted rate. (iii) Proper earhing pit should be provided with pit cover.

S&F air termination single pointed copper rod 12mm dia and 300mm long all as specified and directed including necessary fixing arrangement at roof, complete all as specified and directed. .

Supply and installation of 6 meter long GI tubular pole (mast) 40mm dia with copper earthing strip 20 X 3mm, on the flat RCC roof/ PCC plateform of the building along with fixing arrangement & foundation for fixing of mast with all accessories for installation of lightening arrestor spike on top, complete all as specified and directed.

S & F test point termination blok of size 75mm × 75mm × 25mm made of Gum Metal or phospherous bronze drilled and screwed including 3 Nos, 8mm dia 25mm long hex head screw and box of size 90mm ×90mm × 90mm (made out of 1.6mm thick plain brass sheet) and screwed to wall for protection of test point, complete all as specified and directed.

S & F copper strip 20 x 3.15mm with saddles and fixing screws etc. for roof conductors with rubber & bitumen washer & fixed to porcelain insulator on wall for down conductor including taking down old unserviceable copper strip of any size, complete all as specified and directed.

S & F Copper strip 32 x 6mm buried in ground or drawn in conduit/pipe including taking down old unserviceable copper strip of any size, complete all as specified and directed.

Supply and fixing porcelain vitreous white/brown/green spacers insulator of size 70mmx35mmx40mm height complete with one number galvanized iron stud bolts 6mm dia x 40mm long including nut & washers and two number galvanized iron fixing bolts of size 6mm dia and 50mm long including washers and drilling holes for holding /fixing aluminium strip/roof conductor as required including taking down broken insulator, complete all as specified and directed.

S & F 40mm bore GI tubes 'light grade' ISI marked with all fitting complete to fix at roof slab/wall/pavement, complete all as specified and directed.

M&L for PCC (1:2:4) type B-1, (using 20mm graded crushed stone aggregate) as in coping, complete all as specified and directed.

Note: An amount of Rs.68928.00 on account of Credit Schedule for schedule 'A' part - II shall be deducted from the total amount of BOQ to arrive at the contract sum.

M/S. VINITA CONSTRUCTION

M/S ANNI ENTERPRISE

M/S DEY ENTERPRISE

MAJUMDER ENTERPRISE

M/S ANIL KUMAR BAUL

M/S I P GROUP

M/S. KUMAR CONSTRUCTION CO.