PROVISION OF MISC B/R AND E/M WORKS AT TECH AREA, PROVISION OF AIR COMPRESSOR PLANT SHED IN MT COMPLEX, PROVISION OF MS GRILL COVER WATER RESERVOIR AT RSPH AND PROVISION OF QTY-05 INVERTER ACs WITH ALLIES WORKS AT AF STN DIGARU.

Excavating in post holes in soft/loose soil not exceeding 0.5 cum and getting out returning, filling in and ramming in layers not exceeding 25 cm, watering and removing surplus soil to a distance not exceeding 50 mtr and making good the surface complete all as specified and directed.

M&L PCC 1:4:8 type D2 (40mm graded aggregate) as in foundation, filling & mass concrete complete all as specified and directed.

M&L PCC 1:2:4 type B2 (40mm graded aggregate) as in foundation, filling & mass concrete complete all as specified and directed.

S/F MS steel post struts fencing post including cutting top to shape,drilling holes notching for wire etc. including all necessary drilling bolting and similar work conforming to Fe-290 Gde E-165 complete all as specified and directed.

Supply only chain link MS galvanised fencing, any size or type complete all as specified and as directed.

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

M&L for preparation of new or previously untreated steel surfaces of any description 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 for preparation of new steel surfaces and applying two coats of black bituminious paint exceeding 10cm in width or girth complete all as specified and directed.

S&F 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. Fe 410 -W (GdeE- 250) quality A complete all as specified and directed.

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

Supply and fix air termination, single pointed, copper rod 12 mm dia and 300 mm long complete all as specified and directed.

Supply and fix test point terminal block made of gun metal or phosphorus bronze size 75x75x25mm drilled and screwed including 3 Nos 8mm dia 25mm long hex head screw complete all as specified and directed.

Supply and fixing earth continuity conductor or main earthing lead made of Copper strip of size 32 x6 mm as roof conductor/down conductor above ground level/ burried in ground fixed with saddles (made of Porcelain / PVC ) and screwd at a distance 30 cm complete all as specified and as directed.

Material and labour for chemical earthing complete with copper plate electrode of size 90 cm x 60 cm x 5 mm thick buried directly in ground (earth pit not less than 2.25 meters deep below the normal ground level) with top edge of plate not less than 1.5 m below normal ground level connected to copper earth strip 32 x 6 mm length 7.5m (Minimum) as earthing lead by means of copper bolts, nuts, check nuts and washers all as shown on electrical plate No 3 of SSR Part-l (2009), using adequate quantity of chemical to be provided and connected to earth test point including 25 mm bore GI medium grade pipe for watering with funnel and wire mesh and 65mm bore GI light grade pipe for protection of earth strip and providing water supply connection from nearest water supply point and testing including PCC chamber complete to achieve earth resistance less than 01.00 ohm complete all as specified and directed. Note : (i) The unit rate shall deemed to include for earth work in soft/loose soil, PCC (1:2:4) type B-1 chamber, RCC (1:1.5:3) cover 50 mm thick reinforced with 8 mm dia TMT bars @ 100 mm c/c both ways, funnel with watering pipe 25 mm bore medium grade, GI protection pipe light grade 65 mm bore and wire mesh complete in addition to item No 1 (a) to (e) of preamble (notes) under sub-heading Earthing, as specified on SSR Part-Il 2020. (ii) ) If the desired earth resistance is not achieved during testing as per IS, the complete earthing shall be re-done by the contractor at his own cost & no claim shall be admissible in this regard. (iii) Copper strip shall be provided upto earth test points as directed. (iv) The unit rate shall be inclusive of filling the earth pit with sodium chloride 200 Kg (Minimum), Magnesium and copper sulphate 100 ka (Minimum) and balance charcoal in layers upto 15 cm above the top edge of earth plate all as directed.

M&L for Steel work in tubular trusses, post, Purlin, etc. including special shaped washer etc. complete using ERW or induction butt welded tubes conforming to lS 1161-1979 grade St.-240 or other cuting plates complete all as specified and directed.

S&F Joist, channel, angle, or tee sections, fixed independently, without connecting plates, etc. (cut to ordinary lengths i.e. within 20mm of the length indicated) conforming to Fe-290 (Gde E-165) complete all as specified and as directed.

S&F Welded steel wire fabric not exceeding 4 kg/sqm fixed to wood or steel members complete all as specified and as directed.

M&L for providing cemnet concrete (1:2:4) type B1 using 20 mm graded stone aggregate as in coping, bed plates including weathering, slightly rounded or chamfered angles and throating, all as specified and as directed

M&L 15 mm rendering in CM 1:4 on on other than fair faces of brickwork or concrete surafaces complete all as specified and as directed..

M&L for preparation of new plastered surfaces and applying two coat of cement base paint(camouflage pattern) complete all as specified and as directed.

Supply, fixing/install and testing high wall split units air conditioner inverter type indoor/outdoor with cordless remote control unit, with wall bracket for outdoor unit, electric driven single phase 230 Volt of capacity 1.5 TR, BEE 5 Star rated with copper condensing unit complete all as specified and directed.

Supply, fixing/install and testing high wall split units air conditioner inverter type indoor/outdoor with cordless remote control unit, with wall bracket for outdoor unit, electric driven single phase 230 Volt of capacity 1.0 TR, BEE 5 Star rated with copper condensing unit complete all as specified and directed.

Supply and fixing voltage stabilizer of automatic operation, single phase naturally air cooled indoor type and designed for input variation between 130 Volt to 280 Volt double booster, with output voltage stabilized at 230 Volt with accuracy of + 2.5% complete all as specified and directed.

M&L for sheet metal enclouser with socket plug top and MCBs or single pole and neutral enclouser with a two pin and earth plug and socket complete with one single pole MCB 20 Amp, 240 Volts complete all as specified and directed.

M&L for submain wiring for light point controlling with one MCB/switch using FRLS, PVC insulated unsheathed, stranded copper conductor cable 2 Single core of size 4.0 Sqmm, earth continuity conductor of size 4.0 Sqmm to be drawn through and including PVC casing caping 20/25mm complete all as specified and as directed. Note:- Two run of single core wires of 4.0 Sqmm and one run of single core wire of 4.0 Sqmm and one run of PVC casing caping shall be measured as one unit.