CONSTRUCTION OF HARD SURFACE GROUND AND EXTENSION OF EXISTING SHED AT GIS AT AF STATION TAMBARAM

Amount

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

Dismantling asbestos cement (corrugated, semicorrugated, etc) sheets in roof coverings as directed.

Excavating in trenches, not exc 1.5 m wide and not exc 1.5 m in depth and getting out in soft/ loose soil complete all as specified and directed by Engineer in Charge.

M&L Plain cement concrete, 1:4:8, type D2 (using 40mm graded stone aggregate) as in foundations, filling and mass concrete complete all as specified and as directed

M&L for Formwork to sides of concrete 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 , rough finished surfaces all as specified and directed.

M&L for Formwork to sides of pillars, posts, struts, piers, columns and stanchions and similar work; vertical or to batter fair finished surfaces all as specified and directed.

M&L RCC type B0, 1:2:4 using 20mm graded stone aggregate in foundation, including rafts, footing , foundation beams , plinth bems, beses of columns etc,basement slab and mass concret complete all as specified and directed.

M&L RCC type B0, 1:2:4 using 20mm graded stone aggregate in Columns, pillars, piers, posts and struts complete all as specified and directed.

M&L for 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 Fe 290 (Gde E-165) all as specified and directed.

M&L for TMT bars 5mm dia and over upto and including 10mm dia in stirrups, spacers and binders and binding with and including mild steel wire (annealed) not less than 0.9mm dia or securing with clips Fe 290 (Gde E-165) all as specified and directed.

M&L for Mild steel Plates (plain or chequered) channels, square cut or notched (ordinary and counter sunk) forming holes, without any attachment all as specified and directed.

M&L mild steel screw bolts (machine made), diameter of shank 11 to 15 mm, 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, length of bolt exc 10 cm and not exc 15 cm long all as specified and directed.

S & F steel work in tubular trusses, posts including special shaped washer ect. complete using ERW or including butt welded tubes conforming to I.S.1161-1998 grade St-240 all as specified and directed.

S&F Structural steel work as in roof trusses (framed), trussed, purlins, crane gantries, rails and fastenings and heavy bracket framing (Beam, tee, angle, channel or flat sections) including distance pieces, cleats etc. of Fe 410-W (Gde-E- 250) quality-A complete all as specified and as directed

M&L applying two coats of synthetic enamel paint over a coat of red oxide 0r zinc chromate primer including preparation of new steel or iron surfaces exc 10 cm width or girth, complete all as specified and directed.

S & F Pre-painted galvalume aluminium zinc coating GI based corrugated steel sheet 0.50mm of an colour having tensile strength of 550Mpa as in roof covering/cladding to wall bend to shape, fixed with self tapping screws all as specified and directed.

S & F Pre-painted galvalume aluminium zinc coating GI based plain steel sheet 0.50mm of an colour having tensile strength of 550Mpa as in roof covering/cladding to wall, fixed with self tapping screws all as specified and directed.

Excavating over areas, not exc 1.5 m deep and getting out in soft / loose soils all as specified and directed.

M&L for Hardcore of gauge not exc. 63 mm, deposited, spread and levelled in layers not exc.15 cm thick, watered and rammed to a true surface

Material and Labour for 75mm plain Cement concrete type B- 2, 1:2:4 (40mm graded aggregate)complete all as specified and directed.

Material and Labour for Screed bed or bedding layers of mortor 20mm thick in CM 1:6 for laying tiles in floor complete all as specified and directed.

Material and Labour for Chequered cement concrete tiles 20cm x 20cm x 25mm thick, set, jointed and pointed in with grey cement and pigments in floors complete all as specified and directed.

Removing excavated material exc. 1.50 km but not exc. 5.0 km and depositing where directed all as specified and directed.

M&L Moorum/red bajri filling in floors or pavings, laid in layers not exc. 15 cm thick, spread, levelled and rammed including watering all as specified and directed.

M&L 100mm thick Cement concrete type B- 1, 1:2:4 using 20mm graded stone aggregate, Finishing cement concrete surface even and smooth with Spike rolling to surfaces or making impressions of expanded metal, whilst the concrete is still green all as specified and directed.

M&L for Forming Contraction (Dummy) joints 65mm deep x 10mm wide, filled with sealing compound Gde B all as specified and directed.

Material and labour for precast cement concrete in1:2:4 type B1 using 20mm graded stone aggregate with solid blocks, exc. 10 cm in width and setting in mortar 1:6 complete with joints to match all as specified and as directed.

M&L providing plain cement concrete 1:2:4, type B1 using 20 mm graded stone aggregate as in cills, steps, bands, copings, bed plates etc including necessary formwork all as specified and as directed

M&L Rendering 15mm thick CM 1:6 on fair faces of brick work or concrete external surfaces complete all as specified and as directed.

M&L for preparation of new decorated wall surfaces and applying two coats of cement based paint over a coat of primer all as specified and as directed.

M& L 20mm thick Granite (of any type) work (table rubbed and polished) in steps, jambs, pillars, window-cills, cooking platforms and like in cement mortar (1:4) including pointing in white cement (1:2) using marble dust with admixture of pigment to match with shade of granite all as specified and as directed.

Providing Edge moulding to 18- 20 mm thick granite stones in cluding machine polishing to give high glossy finish etc all as specified and as directed.

Excavating in post holes ( or similar hoels ) each not exc 0.5 cum getting out, returining, filling in and ramming earth or broken rubble mixed with earth around, in layers not exceeding 25 cm , watering, and removing surplus soil to a distance not exc 50 mtr.

M&L Plain cement concrete, 1:2:4, type B2 using 40mm graded stone aggregate as in foundations, filling and mass concrete complete all as specified and as directed

Material & Labour for providing and fixing stainless steel (Grade 304) railing made of hollow tubes, channels, plates etc., including welding, grinding, buffing, polishing and making curvature (where ever required) and fitting the same with necessary stainless steel nuts and bolts complete, including fixing the railing with necessary accessories & stainless steel dash fasteners, stainless steel bolts etc., of required size, on the top of floor or the side of waist slab with suitable arrangement all as specified and as directed.

Demolition of cement concrete floors and pavings exc 15 cm thickness (below or above ground level) complete all as specified and as directed

M&L Screed bed or bedding layer of mortar 15 mm in CM 1:6 for laying floor finishes all as specified and as directed.

M&L 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 grinding and polishing complete all as specified and as directed.

M&L 20mm thick Granite (of any type) tiles machine cut, in skirting/ dado laid over cement screed and jointed with grey cement slurry, and pointed with white cement with admixture of pigment to match the shade of granite stone including grinding and polishing complete all as specified and as directed.

Surface excavation not exceeding 30 cm deep and averaging 15cm deep and getting out soft loose soil complete all as specified and directed.

Material and Labour for Sand filling under floor or in any other situation complete all as specified and directed.

Material and Labour for Machine pressed precast concrete interlocking paver block any shape and size confirming to IS 15658-2006 of 60 mm thickness M-40 Grade complete all as specified and directed

Complete removal of existing treatment on old decorated surface of walls, pilasters, including cornices and applying two coats of exterior emulsion paint ( Apex ultima or its equivalent approved make) over a coat of primer complete all as specified and directed.

M&L for Point wiring complete with 1.5sqmm single core PVC FRLS insulated sheathed 1100 volts grade copper conductor single core multi stranded drawn through existing conduit and MS pressed steel terminal boxs with new 3 mm thick hylam sheet suitable for housing switiches, sockets, fan regulators etc., including one run of 1.50 sqmm PVC insulated copper conductor for continious earth wire and connected to common earth dolly complete all as specified and directed for for One light / fan point controlled by one 5 Amps switch.

All as per Item No 44 above but for One 3 pin 5 Amps socket outlet on independent board

S&F Ceiling rose surface PVC insulated three plates "JUMBO' type 240 volts

Supply and fix switch socket outlet 2/3 pin 5 amps 240 volts flush type.

S&F Switch socket combination 2 in 1 multipurpose 5/16 amps 240 volts universal type.

S&F LED fitting 4 feet long with light source 20 Watt general purpose and wall mounted led Batten with polycarbonate LED channel & integrated electrinic driver complete all as specified and as directed.

S&F pressed steel sunken box of size 6"x4" surface/concealed on wall for mounting of 15 Amp piano type Switch or 5 Amp SSC including provn of suitable size hylam sheet cover 3mm thick and making good distrubed surfaces including taking down of old unserviceable complete all as specified.

M&L Sub main wiring 2x2.5 Sqmm single core FRLS PVC insulated unsheathed cable single core multistranded copper conductor 1100 volts grade drawn through with 20mm PVC conduit and conduit accessories fixed on surface/concealed with suitable clamps/saddles including one run of 2.5 sqmm FRLS PVC insulated copper cable for continuous earth conductor connected to common earth dolly.(Note : Two run cable and one run for earth and PVC conduit together to be measured as one unit)

Supply & fixing of Sheet metal enclosure with distribution board Double Door 230 volts SPN 4 way with suitable Bus bar and provision for MCBs/ isolators concealed on wall and connecting with all connections all as directed

S & F MCB's 6 to 32 amps, 10 KA , SP 240V B Curve

S & F MCB SPN 40 Amps, 10 KA , 240V B Curve

Excavation in trenches exceeding 1.5 mtr and not exceeding 3 mtr deep and getting out in hard/dense soil for all as directed.

Returning and refilling of excavated soil upto a depth of 30 cm after riddling the excavated soil for laying underground cables as in cable cushion and in post holes all as specified and as directed.

M & L for brick protection to cable using old size sub class 'B' bricks, laidflat, dry butt jointed, laid lengthwise perpendicular to the axis of cable all as specified and directed.

PCC 1:3:6, type C-1, using 20 mm graded stone aggregate as in foundation/ coping of poles including necessary form work and finishing the exposed concrete surfaces even and fair all as specified and as directed

M&L for Steel tubular swaged poles complete with base plate 8mm thick welded with pole, finial taper plug, bolt, nut and screws as specified type 410 SP-31 (9m long) including one coat of red-oxide zinc chrome primer and two coats of aluminium paint on surfaces exposed to view and making 30cm wide strips (total 5 Nos) with white and black paint alternately on external surface above PCC benching including numbering with black paint and painting with bituminous paint internally complete and externally for embedded portion complete all as specified and directed. Note : Excavation & earth work and PCC shall be measrued and paid separately.

S&F PVC junction box out door type of size 280 mm x 170 mm x 130 mm with front openable hinged cover complete with two number aluminium bus bars mounted on porcelain insulator including clamps of MS flat iron 25 x 3 mm with bolts and nuts to fixed on pole/wall incl taking down of old U/S all as specified and directed. (Make: SINTEX or equivallent)

Supply and fixing LED flood light 100 watt 230 VAC outdoor type with thermal management in multiple optics and equipped with IP66 protection, with impact and corrosion resistant complete with driver and lamp complete all as specified and directed.

Supply and Laying LT UG cable 1100 Volts grade XLPE insulated PVC sheathed amoured, heavy duty, in trenches/walls/poles/passing through pipes with multistranded aluminium conductor including lugs/thimble/ferules connection, testing and commissioning complete including taking out old unserviceable UG cable for the following sizes. [a] 6 sqmm 2 core (Note: [i] Earth work, excavation sand cusioning, bricks for protection, GI pipe etc shall be measured separately under relevant items of this schedule.

All as per item No. 62 above but for 10 sqmm 2 core cable

M&L 40mm dia GI tubing 'Light' grade with all fittings for cable protection fixed on poles/walls/laid under roads crossing etc and made good the disturbed surfaces/area all as specified and directed.

M&L for 20 mm dia GI tubing light grade with all necessary fittings including wooden plugs at end for sealing laid in trenches fixed to walls, poles,under road/floor etc for cable protection complete all as specified and directed.

S & F three core PVC insulated copper conductor 1.5 sqmm for making connection from light fitting all as directed.

Material and labour for earthing complete with GI plate electrode 600x600x6mm thick, buried directly in ground (earth pit not less than 2.25m deep below ground level) with top edge of plate not less than 1.5m below ground level connected to earth lead of 4mm GI wire means of bolts, nuts, washers of galvanized all as shown in electrical plate No.3 of SSR Part-I including necessary excavation and earth work. PCC 1:3:6 type C1 chamber, RCC cover in 50mm thick 1:2:4 type B1 with 8mm CTD 140mm centre to centre with suitable handle, watering pipe 20mm dia light grade pipe with funnel, charcoal salt connected to earthing test point all as specified including testing and commissioning on completion

RAVI ENTERPRISE (BID ID -3077597)

M/s KM Marimuthu Achary (BID ID -3068122)

power links (BID ID -3078376)

JK INFRA (BID ID -3067047)

DELTA CONSTRUCTIONS (BID ID -3068214)

kcs builders (BID ID -3062887)