PROVISION OF RAIN SHELTER SLOPING SHEDS IN EXISTING MD ACCNS (OMQ PHASE-III) AND SPL REPAIRS TO EARTHING PITS AND CONNECTED ITEMS OF CERTAIN TECH BLDGS/ HANGERS UNDER 5 BRD

M&L for with or without reinforcement cutting channels, grooves or rebates n exc 15cm girth, and trimming surface complete all as specified and as directed.

M&L Providing, cement concrete TypeB0 1:2:4 (20 mm graded aggregate)in roof kerbs or mud stops, rounded or chamfered on edges complete all as specified and as directed.

M&L 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 (Gde-E-250) Quality-A complete all as specified and as directed.

M&L Steel work tubular milld steel sections for purlin and rafter, columns etc includingframe work and special shaped washer etc complete using ERRW inductor but welded tubes confirm to IS 119-929 complete all as specified and as directed.

M&L for MS Plates (Plain or chequered) channels (confirming to Fe 410 W Gde E-250 A quality), square cut or notched (ordinary and counter sunk) forming holes, with riveted, bolted or welded attachment complete all as specified and as directed.

M&L for Steel work in tubular columns including special shaped washer etc. complete using ERW or induction butt welded tubes onforming to I. S.1161- 1979 grade St.-240 complete all as specified and as directed.

M&L for Mild steel screw bolts (machine made) 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 and dia of nexk in mm 5 to 10mm complete all as specified and as directed.

S&F Prepainted galvalume aluminium zinc coating GI based corrugated steel sheet 0.50mm thick of an colour having tensile strength of 550Mpa as in roof covering /cladding to wall , fixed with self tapping screws as specified.

S&F Pre-painted galvalume aluminum zinc coating GI based Plain 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 as directed.

M&L for two coats of synthetic enamel painting on steel surfaces of previously untreated over a coat of red oxide primer complete all as specified and directed.

M & L preparation of old plastered or unplastered surface of wall and applying two coats of cement based paint over a coat of alkali resistant priming paint complete all as specified and as directed.

M&L for fixing of Galvanised iron GI wire, for cloths drying gauge size:10 fixed to brackets of cloths hanging lines all as specified and directed.

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

Excavating in post holes each n exc 0.5 cum , getting out in soft disintegrated rock ,returning filling in and ramming earth or broken rubble mixed with earth around, in layers nt exc 25cm ,watering and removing surplus soil to a distance n exc 50m and making good surface all as specified and directed.

Supply, installation, testing & commissioning of maintenance free chemical earthing system comprising 17mm dia copper bonded rod 3 mtr long horizontally pre welded T-terminal rod with provision for connection size of 50 x 150mm long, 6mm thickness with equal space either side, with 12mm dia hole of 02 numbers each on either side of the terminal clamp with 250 microns (average) coating thickness, tested and certified by CPRI India alongwith 50 kg earth energizer compound and 10 litres earth resistance reducing liquid. The earthing energizer compound and resistance reducing earthing liquid shall be tested as per IEC-62561-7 read with ASTM G57-06, CI 3.4 A by any NABL accredited lab. The above mentioned rod shall be installed in 150 mm bore, 11 feet depth with a distance of minimum 3 meters between each installation complete all as specified and as directed.

Supply and fixing Earth pit cover made of Heady duty polyplastic and earth inspection cover made of high grade polypropylene of size top dia not less than 250 mm, bottom dia not less than 330 mm and height not less than 260 mm dia having load bearing capacity not less than 9.2 tonnes for each electrode pit complete all as specified and directed.

Supply and fixing copper strip 20 x 3mm thick as earthing lead fixed to wall/roofs etc all as directed.

S&F epoxy base insulators of suitable size 40mm height for fixing copper earth strip on wall/ceiling/floor/poles etc complete all as specified and directed.

M&L earthing complete with copper earth plate electrode 600mmx600mmx3.15mm thick buried in ground vertically to a depth not less than 2.25 mtrs below ground level with top edge of earth plate not less than 1.5 mtrs below ground level connected with Copper earth strip 20mmx3 mm thick and copper bolts, nuts, etc and protected by GI pipe light grade 40mm bore and 20 mm dia GI tubing light grade with funnel for watering, connecting to test point, all as shown in electrical plate No.3 of SSR Part I incl necessary earth work and excavation in any type of soil, PCC earth chamber with RCC cover slab, salt, charcoal and MS hook, ane provn of test point complete all as specified and as directed. NOTE : Copper strip 20x3mm upto 7.5 Mtrs shall be included in quoted rates and beyond 7.5 mtrs shall be measured and paid separately.

M&L earthing complete with GI earth plate electrode 600mmx600mmx6mm thick buried in ground vertically to a depth not less than 2.25 mtrs below ground level with top edge of earth plate not less than 1.5 mtrs below ground level connected with GI earth strip 32mmx6 mm thick and bolts, nuts, etc and protected by GI pipe light grade 40mm bore and 20 mm dia GI tubing light grade with funnel for watering, connecting to test point, all as shown in electrical plate No.3 of SSR Part I incl necessary earth work and excavation in any type of soil, PCC earth chamber with RCC cover slab, salt, charcoal and MS hook, ane provn of test point complete all as specified and as directed. NOTE : GI strip 32X6mm upto 7.5 Mtrs shall be included in quoted rates and beyond 7.5 mtrs shall be measured and paid separately.

S & F Factory Made RCC 1:2:4 (20mm graded stone aggregate) in Slab/Pit Cover 350x350x50mm in size, reinforced with and including 10mm dia TMT Bars @ 100mm Centre to Centre in both ways, complete including taking down existing one all as specified and as directed.

S&F in Earth Pit Cover Factory Made Earth Chamber in cement concrete 1:3:6 (20mm stone aggregate) as shown in Electrical Plate No. 03 of MES Schedule Part- I and providing Pre-cast RCC 1:2:4 (20mm graded stone aggregate) in Slab /Pit Cover 450x450x 50mm in size, reinforced with and including 10mm dia TMT Bars @ 100mm Centre to Centre in both ways including Funnel and cleaning the surrounding of Earth Pit Cover and pouring Salt Water to improve the resistace and measuring and recording the same in presence of Engineer-in-Charge, complete all as specified and as directed.

S & F Mild Steel Sheet of size approximate 300x200x1.6mm thick Sheet Egg type, Half round type, Rectangular type and Triangular type with welded 1ʺ (Inch) dia 2ʹ (Feet) long Mild Steel Pipe with duly different Synethic Enameled Paint cutting of Equipment Earth/ Lighting Arrester Earth/ Singnal Earth etc. complete as specified duly painted as specified and marking of Earth Plate Number/ Description of Earthing/Type of Earthing on Plate with White Paint including Earth Plate No. and Earthing Resistance with Earthing Check Date and Earthing Check Due Date including taking down old unserviceable one, complete all as specified and as directed.