SPECIAL REPAIR TO BLGD NO T-80 AND T-81 (BASIC SHED) AT HASIMARA MIL STN UNDER GE (SOUTH) BINNAGURI

Amount

Dismantling of Plain or corrugated steel sheeting, any gauge, thickness, including Nainital or similar pattern roof coverings, complete all as specified and as directed by Engineer-in-charge.

S&F of Pre-painted galvalume aluminium zinc coating GI based corrugated or semi-corrugated steel sheet 0.50 mm thick of any colour having tensile strength of 550 MPa as in roof covering/cladding to wall, fixed with self tapping screws or J hooks, complete all as specified and as directed by Engineer-in-charge.

S&F of Plain, galvanised, mild steel sheeting 0.63 mm, in ridges, hips, valley gutters, drip and straight flashings (length and girth as fixed) with grade of zinc coating 275, complete all as specified and as directed by Engineer-in-charge.

Demolition of unreinforced cement concrete in ground floors and pavings concrete of any description and in any position not otherwise specifically provided for, complete all as specified and as directed by Engineer-in-charge.

M&L for hardcore of guage not exc. 63mm deposited, spread and levelled in layers not exc. 15 cm thick, watered and rammed to a true surface of broken stone or boulders, complete all as per specified and as directed by Engineer-in-charge.

M&L for PCC (1:4:8) type D2 ( using 40mm graded crushed stone aggregate) as in foundation, filling and mass concrete complete all as per specified and as directed by Engineer-in-charge.

M&L for 200 mm thick PCC (1:2:4) type B2 (using 40 mm graded crushed stone aggregate) as in floor/hard standing, mixed with metallic floor hardner 5% or as per manufacturer's instructions by weight of cement finished even and smooth without using extra cement, complete all as specified and as directed by Engineer-in-charge. Note : Metallic floor hardner will measured and paid seperately.

Supply only Metallic floor hardener, complete all as specified and as directed by Engineer-in-charge.

M&L for 75 mm thick Cement concrete type C-2, 1:3:6 (using 40 mm graded stone aggregate) in footpath / hardstanding / pavings / plinth protections, finished even and smooth without using extra cement complete all as specified and as directed by Engineer-in-charge.

Demolition of brick work or stone/boulder masonry built in cement mortar including all quoins, arches, pillars etc complete all as specified and as directed by Engineer-in-charge.

M&L for fly ash Brick work using modular size with sub class ‘B’ bricks straight or curved on plan exc 6 mtr mean radius built in CM (1:4) complete all as specified and as directed by Engineer-in-charge.

M&L for rendering 20mm thick on fair faces of brick work or one side of lathing in two layer, first layer shall be of 10 mm thick in CM 1:6 and second layer of finishing coat shall be 10 mm thick in cement mortar 1:4 mixed with WPC @3% by weight of cement or as per manufacturer's instructions on brick work or concrete surfaces of wall in top layers complete all as specified and as directed by Engineer-in-charge. Note - WPC shall be measured and paid saparately.

Supply only integral water proofing compound confirming to IS complete all as per specified and as directed by Engineer-in-charge.

M&L for rendering 10mm thick on fair faces of brick work or concrete block surface in cement mortar 1:6, surface to be finished fair & even without using extra cement, complete all as specified and as directed by Engineer-in-charge.

M&L for preparing new plastered surfaces and applying two coats of cement based paint on walls over a coat of alkali resistant primer, complete all as per specified and as directed by Engineer-in-charge.

M&L for preparing newly plastered surfaces of walls and applying three coats of white wash complete all as specified and as directed by Engineer-in-charge.

Dismantling wrought iron or mild steel work of any description not otherwise provided complete all as specified and as directed by Engineer-in-charge.

S&F of rolled mild steel Fe-410-W (Gde-E-250 quality B) framed work as in doors or gates of angle or other section with gusset plates, rails, braces, etc., complete, drilled for fixing of steel sheeting or other covering. Doors, etc. to be prepared for hanging or sliding with and including either hooks and hinges or steel hanging door fittings (exclusive of steel sheeting or other covering, running rails and guides) and hanging; also fastening and fixing complete complete all as specified and as directed by Engineer-in-charge.

S&F of rolled mild steel Fe-410-W (Gde-E-250 quality A) sections as in main and cross beams, hip and jack rafters; purlins where connected to common rafters and running rails and guides for sliding doors; fixed with angle cleats or other connecting plates including notching, drilling, fitting, riveting and/or welding or connecting with bolts and nuts (including rivets or bolts and nuts), providing and fitting angle cleats, fish plates, gusset plates etc., complete complete all as specified and as directed by Engineer-in-charge.

S&F of mild steel work as in Bands, straps, supports or stays for rainwater, ventilating pipes, including bolts, if required hooks (stay), heavy, for large gates; hook and pintle hinges: large hasps and staples; chains; hand made sliding bolts; clamps; hold fasts; wall ties; hooks for hanging fans; plain angle cleats for securing purlins to wood trusses or rafters; knee piece inserts; two way and three way straps, plate washers, gate whelels, guides and similar small articles conforming to Fe-290 Gde-E-165, complete complete all as specified and as directed by Engineer-in-charge.

M&L for preparation of new or previously untreated steel or iron surface of any description and applying two coats of synthetic enamel paint over a coat of red oxide zinc chrome primer over 10cm width or girth complete all as specified and as directed by Engineer-in-charge.

M&L for preparation by complete removal of previously treated steel or iron surface of any description and applying two coats of synthetic enamel paint over a coat of red oxide zinc chrome primer over 10cm width or girth complete all as specified and as directed by Engineer-in-charge.

Taking down carefully aluminum/copper point wiring (light fan, socket or power) complete including fittings and fixtures such as switches, sockets, light fittings, ceiling rose, pendants, lamp holders, shade conical, regulators etc and separating serviceable fittings for reuse in the same work and removing unserviceable fittings and fixtures with wiring cable, battens, wooden boards etc from site and making good disturbed surfaces of walls, floors, ceiling etc all complete all as specified and directed complete all as per specified and as directed by Engineer-in-charge.

M&L for point wiring complete with FRLSH PVC insulated unsheathed multistranded copper conductor of size 1.50 sqmm nominal cross sectional area single core drawn in and including 20mm dia 'Medium grade' PVC concealed conduits and fittings, including cutting chasing in brick wall n.exc 10cm width or girth(excluding ceiling surface), pressed steel concealed terminal switch boxes not less than 1.2mm thick of reqd size factory made duly painted inside and outside with two coats of black bituminous paint over one coat red oxide primer, 3mm thick plastic laminated sheet top cover (ISI Marked) fitted with chromium plated brass screws & washers complete including 1.50 sqmm nominal cross sectional area PVC insulated unsheathed multistranded copper conductor green as earth wire connected to earth dolly for one light point controlled by one switch complete all as specified and as directed by Engineer-in-charge.

All as per serial item No. 24 above but for one 3 pin socket outlet 5 AMPs on independent board.

All as per serial item No. 24 above but for one 3 pin socket outlet 5 AMPs on same board.

All as per serial item No. 24 above but with 4 sqmm (nominal area) cable with 4.00 sq mm size copper earth continuity conductor of green colour for 15 A socket outlet on independent boards.

S&F of switch piano flush type, 5 / 6 Amps 240 volts single pole one way, complete all as specified and as directed by Engineer-in-charge.

S&F of socket outlet, 5 pin 6 Amps, flush type 2 in 1 complete all as specified and as directed by Engineer-in-charge.

S&F of socket outlet, 5 pin 5/15 Amps, flush type 2 in 1 complete all as specified and as directed by Engineer-in-charge.

S&F of switch piano flush type, 15/16 Amps 240 volts single pole one way, complete all as specified and as directed by Engineer-in-charge.

S&F in repair of LED tube light fitting single tube 1x20 watts (4 ft) 240 v wall mounted LED batten ultra bright LED polycarbonate tube light with high efficiancy including all accesssories and internally pre-wired, complete all as specified and as directed by Engineer-in-charge.

S&F of ceiling rose surface backelite three terminals, PVC/polycarbonate, insulated body, complete all as specified and as directed by Engineer-in-charge.

S&F in repair of LED street light fitting 35 Watt 230 V AC outdoor type with high pressure die cast aluminum hosing and heat resistant complete with driver, lamp bracket with impact and corrosion resistant including thermal management in multiple optics complete with IP 65/66 protection, complete all as specified and as directed by Engineer-in-charge. Note : S&F of GI bracket shall be measured and paid saparately.

Taking down old turbo ventilator carefully by unscrewing from roof and refixing only serviceable ventilator after testing to its original position/location and handing over old unserviceable to MES store yard complete all as specified and as directed by Engineer-in-charge. Note : Refixing of serviceable ventilatiors shall be measured and paid saparately.

Supply, installation & commisioning of 600 mm wind turbine ventilator having a dome top made of aluminium with integrated and reinforced main bearing housing, stainless steel shaft, aluminium varipitch, twin ZZ rotation ball bearing encased in single integrated bearing housing, FRP base matching the roof profile including necessary water proofing and leak protection work, complete all as specified and as directed by Engineer-in-charge

Fixing only old serviceable turbo ventilator, complete all as specified and as directed by Engineer-in-charge

S&F in repair sheet metal enclosure powder painted for MCB SPN 08 way double door DB with din rail and suitable bus bar complete all as specified and as directed by Engineer-in-charge.

S&F in repair of 240V, 10 KA 'C' curve miniature circuit breaker (MCB) of SPN 40 to 63 AMP and current carrying capacity in the MCB DB Complete with connection testing and commissioning, complete all as specified and as directed by Engineer-in-charge.

S&F in repair of 240V, 10 KA 'C' curve miniature circuit breaker (MCB) of SP 6 to 32 AMP and current carrying capacity in the MCB DB Complete with connection testing and commissioning, complete all as specified and as directed by Engineer-in-charge.

M&L for earthing complete with galvanised steel earth plate electrode of size 600 mm x 600 mm x 6 mm thick buried directly in ground (earth pit not less than 2.25 mtr deep below normal ground level) with top edge of the plate not less than 1.5 mtr below ground level, connected to galvanized earth wire 4.00 mm dia by means of bolts nuts check nuts & washers of galvanized iron or steel , procteded by GI pipe 15 mm bore( light grade) and watering pipe 20 mm bore GI pipe (light grade) and chamber of pcc 1:4:8 type D2 using 40 mm graded stone aggregate and coping shall be in PCC 1:3:6 type C1 using 20mm graded stone agg. 50 mm thick cover of RCC 1:2:4 type B1 using 20 mm graded stone agg. reinforced with 8 mm dia MS tor bar @ 80 mm c/c both ways including excvation and earth work and removal of surplus soil complete all as shown in electrical plate no 3 of SSR PT 1, 1991 with charcoal dust and salt complete and earth lead connected to earthing test point (up to main switches, DBs) including taking down old unserviceable one, complete all as specified & testing on completion. NOTE:- (I) item includes the cost of 7.5 mtr length GI pipe for protection for GI earth wire. (ii) item rates includes the cost of 7.5 mtr earth lead GI earth wire. (iii) PCC pit shall be provided at least 500mm away from the pit and not on the earth pit itself and the extra cost of additional length of watering pipe,bends,elbow etc shall be deemed included in the unit rate.

M&L for sub main wiring two run of size 4 sqmm PVC insulated electric power cable (heavy duty) 1100 volts grade with stranded copper conductor with 4.0 sqmm PVC insulated copper conductor earth wire in casing caping of suitable size (two run of 4 sqmm cable and one of 4.0 sqmm wire and one run of PVC conduit / casing caping will be measured as one unit) including dismantling of existing unserviceable submain wiring complete all as specified and as directed by Engineer-in-charge.

S&F of street light bracket made out of GI tubing 25 mm bore medium grade 1.20 Mtr long bend to required shape as in bracket for street light fittings fixed with two pair or MS flat iron 40mm x 5mm size and 30cm long clamp of required shape with bolts nuts and washers suitable for building security light including painting of mild steel flat iron surfaces with two coats of synthetic enamel paint over a coat of red oxide primer including taking down old unserviceable one, complete all as specified and as directed by Engineer-in-charge.

Supply, fixing & testing of 25 Sqmm 4 core XLPE insulated screened PVC bedded, galvanized steel strip or wire armoured, electric power cables (heavy duty) with stranded aluminum conductor, 1100Volt grade including taking down old unserviceable cable complete all as specified and as directed by Engineer-in-charge.

Excavation in trenches n.exc 1.5m wide and n.exc 1.5 m in depth for foundation etc or for shafts, wells, cesspits, manholes, pier holes etc n.exc 10 sqm on plan and n.exc 1.5m in depth and getting out in soft/loose soil complete all as per specified and as directed by Engineer-in-charge.

Returning, filling in, including spreading, leveling, watering and well ramming in layers n exc 25cm complete all as per specified and as directed by Engineer-in-charge.

Removing excavated material not exc. 50 m & depositing where directed at a level not exc. 1.5 m above starting point complete all as per specified and as directed by Engineer-in-charge.

M&L for sand cushioning (dry) in trenches for protection of UG cables (below, above and around the cable laid in trenches) of 230mm spreding thickness and consolidated (punned) upto 180mm thickness, complete all as specified and as directed by Engineer-in-charge.

Supply & Laying of old size Sub-Class B Bricks, well burnt, laid breadth wise along the length of cable laid in trenches over sand cushion laid for UG cable protection, complete all as specified and as directed by Engineer-in-charge.

S&F in repair of GI tube 15 mm bore medium grade with fittings and fixed complete laid in trenches or under floor for cable protection, complete all as specified and as directed by Engineer-in-charge.

S. G. CONSTRUCTION

M/S A.B. MITRA

M/S NIKITA ENGINEERING CO

M/S JAGDISH PRASAD AGARWALA

SHRI JAYANTA GHOSH

M/S STANDARD CONSTRUCTION CO