ADDN / ALTN OF FENCING NEAR SOUTHERN PTT , EASTERN PTT AND CERTAIN MINOR WORKS AT AIRFORCE STATION TAMBARAM

Amount

Dismantling posts or struts (wood, steel or R.C.C.) embedded in corncrete, brick work, any section, including taking out embedded portion and making good disturbed ground and disposing away concrete debris all as specified and directed.

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

Surface excavation not exc. 30 cm deep and averaging 15 deep and getting out in hard and dense soil all as specified and directed.

Excavation in post holes (or similar holes) each not exc 0.5 cum, getting out, returning, filling in and ramming earth or broken rubble mixed with earth around, in layers not exceeding 25cm, watering, and removing surplus soil to a distance not exc 50 m and making good surface all as specified and directed.

Material and labour PCC (1:3:6) type C1 using 20mm graded stone aggregate in foundation mass concrete , bases of column foundation etc all as specified and directed.

Supply and fix rolled mild steel as in joist, channel, angle or tee section, fixed independently with connecting base plate etc. as in fencing post, strut bend to shape, holes drilled/ notches cut out to receive MS bolts and barbed wire, embedded to concrete including tarring to steel work embedded to concrete complete all as specified and directed.

Supply only 3 to 4 mm dia, galvanized steel wire chain link fencing 50mm x 50 mm mesh, including binding wire / line wire etc complete all as specified and directed.

Fixing only galvanized steel wire chain link fencing any size of mesh, fixed to RCC/angle iron fencing post with bolts etc including fixing of binding wire / line wire etc complete all as specified and directed. Note :- (a) Supply of Galvanized steel wire chain link fecncing, Mild steel round bars, Mild steel flat, Nuts, Bolts & Washers will be measured and paid separately.

S&F Mild steel round bar 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 as in stiffener to chain link fencing including necessary cutting bedding etc. conforming to Grade-I, IS 432 (Part-I) complete all as specified and directed.

S&F Mild steel TMT bar 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 as in reinforcement complete all as specified and directed.

All as per Sl.item No. 10 above but 5mm dia and over upto and including 10mm dia as in stirrups, spacers and binders and binding with and including mild steel wire (annealed) not less than 0.9mm dia all as specified and directed.

Supply and fix mild steel work such as band, clamps, FI fillet for securing wire mesh, straps, ties etc. and similar works, fabrication for steel sections conforming to conforming to Fe-290 (Grade E-165) including necessary welding, bending cold or hot, drilling holes for bolts in any shape or size as indicated complete all as specified and directed.

Supply and fix mild steel bolts (machine made) with hexagonal head at one end and screwed the other end, each screw end to be fitted with two washers and one nut hexagonal, dia of shank 12 mm, length of bolt 50 mm to 125 mm complete all as specified and directed.

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

M&L preparation of new or previously untreated steel or iron surfaces, not exceeding 10cm width or girth and applying two coats of synthetic enamel paint over a coat of red oxide primer complete all as specified and as directed.

M&L for RCC 1:2:4 type B1using 20 mm graded stone aggregate for foundations, including rafts, bases for columns, etc all as specified and directed.

M&L for RCC 1:2:4 type B1using 20 mm graded stone aggregate for Columns, pillars, posts and struts all as specified and directed.

Formwork to sides of concrete foundations, footings, bases of columns, sides and soffits (if any) of foundation and plinth beams; and similar work; vertical or to batter all as specified and directed.

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

M&L Framed work such as grills, gratings, hung as gates etc.. with ends of bars shouldered and/or riveted, or forged into spikes; framed guard bars; barred iron doors and similar work conforming to Fe.290.Gde-E-165 all as specified and directed.

Removing excavated material not exc. 50m and depositing where directed at a level not exc. 1.5 m above the starting point all as specified and directed.

M&L Galvanised 2 strand, steel barbed wire 2.24mm dia barbed with 2mm dia barbs at 150 mm spacings and straining and fixing to any type of standard rails straining bolts, including, securing or tying at crossings with and provision of lvanised mild steel wire, staples or steel pins, etc. as directed (each line wire to be measured)

M&L for complete removal of existing treatment and applying two coats of plastic emulsion paint over a coat of white primer over 2 mm thick wall care putty all as specified and directed

S&F 12mm thick toughened glass for windows incluing necessary fittings arrangements complete all as specified and directed.

S&F fixing aluminium powder coated (Minimum thickness of powder coating 50 micron) frame for windows/ Doors/Ventilators/Partitions with one or more tracks including joining cleats for fixing complete all as specified and directed

S&F false ceiling (Designer pattern) with ARMSTRONG or equivalent modular mineral fibre fine 95RH standard Tegular with T-24 Grid of inter locking metal grid of powder coated aluminium section to form a modular grid of 600x600 mm with T-24 (24 mm widthX32 mm height X 3 mm thick) Main Tee in true horizontal level false ceiling using hot dipped GI section, exposed surface chemically cleaned capping pre-finished in baked polyester paint wall angle of size 20 x 22 x 4 mm used in peripherry of the ceiling fixed to the wall/ R.C Column/ RCC band walls with help of flat headed screws at maximum 300 mm C/C the first screw no more than 50 mm from the corner. Main runner T 24 suspended at 120 mm C/C by using (4 mm/ 6 mm) wire securely fixed to the structural soffit or RC Slab by using 6 mm anchor fastener at every 1200 mm (max) and 1200 mm long cross tee (24 mm widthX 25 mm height X 0.3 mm thick) to be interlocked between in main runner at 600 mm long cross tee (24 mm widthX 25 mm height X 0.3 mm thick) to be fixed in between 1200 mm long cross tee for forming a grid all as specified and directed.

S&F 2500 ltr capacity PVC storage water tank ( Cylinderical vertical with closed top) hoisted and fixed in position all as specified and directed.

S&F Galvanised iron medium graded tubes with all fittings and fixed complete on walls ceiling or laid in floors etc,25mm in dia all as specified and as directed.

S&F Galvanised iron medium graded tubes with all fittings and fixed complete on walls ceiling or laid in floors etc,20mm in dia all as specified and as directed.

S&F Gun metal gate valve 25mm dia with iron wheel head all as specified and directed.

S&F Gun metal gate valve 20mm dia with iron wheel head all as specified and directed.

S&F Partition wall with powder coated aluminium frame work partly panelled with 12mm thick both side decorative choice prelaminated particle board and partly with 5mm thick plain or tinted glass as irected at site using standard aluminium section 50.8x25.4x.1.5mm and 50.8x25.4x1.34mm to wall, floor incluing fixing glazing with rubber beading, glazing clips complete all as specified and directed. ( Note : If aluminium sections mentioned above is not available in the market, the next immediate higher size of same make shall be provided without any extra cost to the Govt.)

S&F Powder coated aluminium doors standard JINDAL or equivalent section of size 63.5 x 38 x 1.6mm for frame and section size 47.62 x 44.45 x 1.18mm for vertical style section size 46.72 x 44.45 x 1.4mm for top and central rail section size size 99.25 x 44.25 x 1.16mm for bottom rail, section size 19 x 17.3 x 0.80mm for glazing clip for shutter including faabrication to required size and partly panelled with 12mm thick both side prelaminated particle board and partly glazed with 5mm thick dark tinted glass including fitting etc including pivot, handle, mortise lock heavy duty complete all as specified and as directed. ( Note : If aluminium sections mentioned above is not available in the market, the next immediate higher size of same make shall be provided without any extra cost to the Govt.) Note:- Aluminium section size specified above if not available in the market next immediate higher size of same make shall be provided without any extra cost to the Govt.

S&F 15 mm bore pillar taps cast copper alloy fancy type chromium plated with lettered 'Hot' or 'Cold' ,screwed down high pressure with long screwed shanks and fly nuts screwed for iron pipes fixed in repair all as specified and as directed.

S&F 15mm dia CP fancy type stop valve cast copper alloy screwed down high pressure fancy screwed both ends for pipe or for union fixed in repairs all as specified and as directed.

S&F Galvanised iron medium graded tubes with all fittings and fixed complete on walls ceiling or laid in floors etc,15mm in dia all as specified and as directed.

Cutting existing steel tubing for alteration or additions ( each cut measured) including screwing the existing tubing all as specified and directed.

S&F Waste coupling of PTMT (half or full threaded) 32mm bore (Min wt 45gms) fixed in repair all as specified and as directed.

S&F 75mm dia PVC (SWR) pipes single socketed in any length with rubber ring joint laid in trenches or in floors all as specified and as directed.

S&F 75mm dia PVC (SWR) junction single (Single T) equal or unequal with access door all as specified and as directed.

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

S&F Kitchen sink with drain board made of stainless steel 1mm thick sheet, 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 915x460mm,bowl size 410mm x 330mm x160mm complete all as specified and directed.

Preparation of existing wall surfaces including brooming down with wire brushing, scrapping own smoke soot, oil, grasy spot etc and applying two coats of Oil Bound Distemper ( washable) over a coat of internal primer all as specified and directed.

S & F Air termination single pointed copper rod 12mm dia and 300mm long fixed with copper strip over insulator by chromium plated screw of suitable size riveting and welding complete all as specified and directed (Note : copper strip shall be measured and paid separately)

S&F Earth continuity conductor of copper strip of size (32x6) mm fixed to wall/duct/roof with bridge insulator (in minimum 60 cm apart) as required or in any other location for loop earthing etc. as required complete all as specified and directed. Note 1 : The bridge insulator shall be measured and paid separately. Note 2 : For vertical run copper strip shall run through GI pipe upto test point from plinth protection and further upto 1 mtr from test point.

M & L Test point terminal block made of gun metal or phosphorus bronze size 75x75x25mm, drilled and screwed including 3 nos. 8mm dia 25mm long hexoganal head screw and halogen free weather proof IP-65 enclosure of size not less than (119x139x70)mm with one/two nos mounting braket and scews complete all as specified and directed. Note : The test point shall be fixed at minium 1.0 mtr above the ground level.

M&L Copper strip size 20X3.15 mm strip earth continuity conductor or main earthing lead or for inter-connection of earthing lead fixed to wall on batten or recess or chases or buried in ground upto 0.45 meter depth or drawn through conduit/pipe or fixed to pole or any other indicated situation for loop earthing etc as required including testing on completion compleete all as specified and as directed.

S&F Porcelain bridge insulator of size (75x35x40)mm with one No GI bolt of 65mm dia and 40mm long including nut & washer and two Nos GI bolt of 10mm dia and 50mm long including nut & washer for holding/fixing copper strip on roof/wall complete all as specified and directed

S & F GI light grade 40mm dia tubing as in protection for earth strip complete all as specified and directed.

M&L for earthing complete with copper earth plate electrode 600x600x3.15 mm 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 20 x 3mm copper strip as earth lead by 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.

S&F LED flood light 330 Watts light fittings energy saving, environmental friendly, LED flood light luminaire with ultra sleek, light weight die cast housing with prismatic polycarbonate moular secondary lens optics with IP66 protection and impact resistance of IKO 8.4KV inbuilt and 10KV external surge protection with efficient LED as light source all as per Cat No. GLEAMF 330 WH SY PC of Bajaj or its equivalent make from list of makes all as specified and as directed.

S&F MCB SP 6-32 Amps , 10 KA B curve incluing connection complete all as specified and directed.

S&F 3 core PVC insulated copper conductor 2.5 sqmm for making connection from light fitting all as specified and as directed.

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 all as specified and directed. (Make: SINTEX or equivallent approved make)

S&F Industrial type sheet metal enclosure with metal clad plug ,socket three pole neutral ,earth plug &socket 63 Amps MCB SP controlled with and including 01 MCB TP 63 Amps all as specified and directed.

M&L circuit open sub main wiring 4x16sqmm single core FRLS PVC insulated unseathed cable multistarnded copper conductor 1100 volts grade drawn through with and including suitable size PVC conduit with its accessories fixed on wall with suitable clamps, saddles including 2x 16 sqmm FRLS PVC insulated copper coductor as earth conductor connected to common earth dolly all as specified and as directed.

S&F MCCB 125 Amps 16 KA 3 pole 415 volts all as specified and directed.

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