PROVN OF SHED AT MGR AND PROVN OF CERTAIN E/M WORKS AT AF STN DARBHANGA UNDER GE (AF) BIHTA

Amount

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

Excavation in trenches not exc 1.5 m wide and not exc 1.5 m deep for foundation etc or for shafts, column footings or for laying cables etc not exc 10 Sqm on plan and getting out in soft/loose soil, complete all as specified and directed.

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

M&L for MS TMT bars 10mm dia and over cut to length, bent to shape required, including cranking, bending,spirally for hoping for columns, hooking end and binding with and incl mild steel wire (annealead) not less than 0.9mm dia, complete all as specified and as directed.

Ditto but 5mm dia and over upto and including 10mm dia in stirrups, spaces and binders complete all as specified and as directed.

M&L for RCC 1:1.5:3 type A-1 using 20 mm graded crushed stone aggregate as in foundations, including rafts, footings, foundation beams, plinth beams, bases for columns etc, under-reamed piles and mass concrete, complete all as specified and directed.

M&L for RCC 1:1.5:3 type A-1 using 20 mm graded crushed stone aggregate as in columns, pillars, posts, struts and the like, complete all as specified and directed.

Formwork (rough finished surfaces) to sides of concrete foundations, column footings, bases of columns, raft and raft beams, sides and soffits of plinth beams or other similar works, vertical or to batter for rough finished surfaces, complete all as specified and directed.

Formwork (fair finished surfaces) to sides of columns, pillars, piers, posts, struts and stanchions etc complete all as specified and directed.

M&L for preparation of newly plastered surfaces of walls and applying two coats of cement base paint over a coat of alkali resistant primer, complete all as specified and as directed.

Returning filling in soil including spreading, leveling, watering and well ramming in layers not exc 25 Cm, complete all as specified and directed.

Removing excavated materials (soil) not exc 50 m distance and depositing where directed at a level not exc 1.5 m above starting point, complete all as specified and directed.

M&L Mild Steel work 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., conforming to Fe 410-W (Gde - E-250) quality-A, complete all as specified and directed.

S&F mild steel screw rag or lewis bolts exc 15cm and n exc 30 cm long dia of neck 25mm with hexagonal or square nut and washers and the othe end enlarged and jagged or lewised embedded in RCC column during casting, complete all as specified and as directed.

S&F plates (plain or chequered channels square cut or notched with rieted bolted or welded attachement fe 410-w (gde E-250 quality B) complete all as specified and as directed.

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

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

M&L for preparing new steel surfaces exceeding 10cm width or girth and applying two coats of synthetic enamel paint over one coat of red oxide zinc chrome primer, complete all as specified and directed.

Material and labour for point wiring for one light point with 1.5 Sqmm nominal cross sectional area, single core, 1100 Volt grade, multi-stranded, PVC insulated, ISI marked, unsheathed FRLS copper conductor cable with and including continuous earth wire of size 1.5 Sq mm nominal cross sectional area, single core, 1100 Volts grade, multi-stranded, PVC insulated, unsheathed, FRLS copper conductor cable and connected to common earth and earth dolly with suitable copper lugs and drawing into and including rigid non-metallic PVC conduit of 20 mm dia or higher, ISI marked, medium grade complete with and including all PVC conduit accessories concealed into wall by cutting of chases in wall and replacement of sunk zinc coated pressed steel terminal box of 1.60 mm thick with 3 mm thick plastic laminated sheet top cover, brass screws, cup washers etc and making good to the disturbed surfaces to match the existing complete all as specified and as directed. (a) One light point controlled by one way switch.

S&F ceiling rose, surface bakellite of three terminals, complete all as specified and as directed.

S&F Switch Piano, flush button, single pole one way, 5 Amp, 230 Volts, complete all as specified and as directed.

S&F sheet metal enclosures (MCB Distribution board) when MCB’s to be used, single pole and neutral, 4 ways, 220 volts with 200 amps rated bus bar, double door with bus bar neutral link earth bar, Din rail, necessary blanking plated, including fixing DB flush in wall complete with making good disturbed surfaces and colour matching, complete all as specified and as directed.

S&F MCB SPN 63 Amp ISI marked convenient to 'C' Curve breaking capacity 10 KA, complete all as specified and as directed.

S&F MCB Single pole 240 Volts 6-32 Amp ISI marked convenient to 'C' Curve breaking capacity 10KA, complete all as specified and as directed.

S & F sub main wiring using approved colour coding (Phase-red, Neutral-black, Earth-green) complete with two single core FRLS PVC insulated and unsheathed stranded copper conductor cable 2.5 sqmm as current carrying conductor and one run of 2.5 sqmm as neutral cable, voltage rating 1100 volt, ISI marked drawn in and including concealed PVC conduit ISI marked of dia not less than 20 mm and thickness 2 mm with stranded accessories along with one run of FRLS PVC green colour insulated, unsheathed, stranded copper conductor of size 2.5 sqmm all as specified and directed, complete all as specified and as directed . Note: Two runs of single core FRLS PVC cable with one run of earth contunity conductor and conduit shall be measured as one unit.

Supply, Laying, jointing and testing of cable XLPE insulated, screened, PVC bedded, galvanised steel strip or wire armoured electric power cable, heavy duty, with aluminium conductor, 1100 Volts grade, 6 Sqmm, 2 core, complete all as specified and directed.

Supply and laying well burnt old size sub class 'B' bricks as protection to underground cables, laid dry and flat perpendicular to the direction of cable adjoining each other, complete all as specified and directed.

M&L for dry and fine river sand free from sharp material as in cushioning to cable in trenches for cable protection including necessary punning and consolidation as required, complete all as specified and as directed. (Depth of sand shall be measured after punning).

S&F 25 mm bore GI tubing, light grade, with all fittings and laid in trenches/under roads, drains etc, or fixed to poles/walls with FI clamps, nut, bolts etc and making good disturbed surfaces, complete all as specified and directed.

Supply and fixing LED tube light fitting 1x 22W, 220V, AC decorative box type with driver, holder including LED tube light (Minimum 100 lumens per watt) connecting up with three core flexible copper conductor cable of suitable size from ceiling rose, complete all as specified and as directed.

S&F LED flood light fitting 70 watt 230 volt AC, outdoor type with thermal management in multiple optics and equipped with IP 66 protection, with impact and corrosion resistant, complete all as specified and as directed.

S&F 40 mm dia GI tubing, medium grade, with all fittings and laid in trenches, complete all as specified and directed.

S&F 25 mm dia GI tubing, medium grade, with all fittings and laid in trenches, complete all as specified and directed.

Cutting of existing 50 mm dia GI/CI pipe in position for insertion of new tees, tail pieces, flanged etc. including necessary jointing material for flanged fitting or lead joint, complete all as specified and as directed.

S&F 40 mm dia gun metal globe or gate valves with iron wheel head, screwed both ends for iron pipe and fixed including necessary fittings, complete all as specified and directed.

S&F 25 mm dia gun metal globe or gate valves with iron wheel head, screwed both ends for iron pipe and fixed including necessary fittings, complete all as specified and directed.

Construction of brick masonry valve chamber of size 0.45m x 0.45m x 0.45m (internal dimensions) with PCC foundation 1:4:8 type D-2 using 40mm graded stone aggregate 150mm thick, 150mm wide offsets alround, brick work built in CM (1:6), 50mm thick coping in PCC (1:3:6) type C-1 finished even and smooth, rendering 15mm thick in cement mortar (1:6) finished even and smooth internally and rendering 20mm thick in cement mortar (1:4) finished fair and even externally including excavation earth work in any type of soil, 3mm thick MS sheet cover fixed on 40mm x 40mm x 6mm thick angle iron frame embedded in PCC coping with locking arrangement with 01 No pad lock 50mm size Make Godrej/Harrison and mild steel hold fast, mild steel handles and painting to steel surfaces with two coats of synthetic enamel paint over a coat of red oxide primer etc, complete all as specified and directed.

S&F 50 KVA Isolation transformer, oil cooled, three phase, copper wound, indoor type, having ratio for input and output 240 Volt +2.5% and 50 Hz with plug top and with first filling of transformer oil of requisite dielectric strength upto level, efficiency more than 95%, separate neutral bushing shall be brought out for earthing potential difference between neutral to earth less than one volt with all standard fitting like digital temperature meter, adequate number of cooling radiators, lifting hooks one set, earthing terminal two nos complete with over load/ short circuit protection, connections for installation properly with L2 switches and complete all as specified and as directed by the Engineer in Charge.

S&F 100 KVA Isolation transformer, oil cooled, three phase, copper wound, indoor type, having ratio for input and output 240 Volt + 2.5% and 50 Hz with plug top and with first filling of transformer oil of requisite dielectric strength upto level, efficiency more than 95%, separate neutral bushing shall be brought out for earthing potential difference between neutral to earth less than one volt with standard fitting like digital temperature meter, adequate number of cooling radiators, lifting hooks one set, earthing terminal two nos complete with over load/ short circuit protection, connections for installation properly with L2 switches and complete all as specified and directed by Engineer-in-charge

Supply, Laying, jointing and testing of cable XLPE insulated, screened, PVC bedded, galvanised steel strip or wire armoured electric power cable, heavy duty, with aluminium conductor, 1100 Volts grade, 35 Sqmm, 3.5 core, complete all as specified and directed.

M & L for boring of holes under road pavement, hard standing etc by trenchless technology using the sound technique and necessary machine including HDPE pipe of 150 mm dia suitable for 0.4 MPA working pressure, complete all as specified and as directed.

S&F 40 mm bore GI tubing, light grade, with all fittings and laid in trenches/under roads, drains etc, or fixed to poles/walls with FI clamps, nut, bolts etc and making good disturbed surfaces, complete all as specified and directed.

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