SPECIAL REPAIRS TO MTR S HANGAR AT AF STATION UNDER GE (AF) CHABUA

Amount

Dismantling Plain or corrugated steel sheeting, any gauge, thickness, including Nainital or similar pattern roof coverings complete all as specified and directed.

S&F prepainted galvalume aluminium zinc coating GI based corrugated steel sheet 0.50 mm thick of colour having tensile strength of 550 Mpa as in roof covering/cladding to wall, fixed with self tapping screws or 'J' / 'L' hooks complete all as specified and directed.

Demolition of cement concrete in ground floors and pavings nexc 15 Cm thickness (Below or above ground level) complete all as specified and directed.

M&L for 75 mm thick PCC 1:3:6 type C-2 (using 40 mm graded aggregate) as in plinth protection complete all as specified and directed.

M&L for PCC (1:2:4) type B-1 (20mm graded aggregate) 75 mm thick as in flooring complete all as specified and directed.

Dismantling of floor hearth or wall tilling including cement mortar bedding and removing rubbish off the premises complete all as specified and directed.

M&L for Non skid ceramic coloured tiles 7 to 8mm thick (square or rectangular) area of each tile exceeding 0.11 sqm but not exceeding 0.18 sqm, in floors etc. set in neat cement slurry and pointed in coloured cement to match coloured tiles over 15mm thick screed bed in CM (1:6) complete all as specified and directed.

M&L for glazed coloured ceramic tiles of size 450x300x7mm thick on vertical surfaces, set and jointed in neat cement slurry and pointed with white cement to match the coloured tiles including 15 mm thick rendering in CM (1:6) for vertical sub base complete all as specified and directed.

(a) Preparation/cleaning the old flooring surface, making the surface contamination free such as oil, grease, mortar and paint splashes by grinding the surface and scarifying the whole surface. All surface should be made dust free by vacuum and cleaning the same. (b) M&L applying one coat of primer Nitoprime 25 or equivalent with brush or spray. The surface layer after that should be allowed to dry before applying the next treatment. (c) M&L applying Polyurethane self levelling flooring Nitoflor SL 2000 UB or equivalent as screed 3.5mm thick. The PU self leveling stage to be provided with V notch trowel and rolled by spike roller to release the air. (d) M&L laying PU floor topping with Trafficguard UR 150 or equivalent. The process to be completed with following steps:- (i) Applying first coat of Trafficguard UR 150 wear course on Nitofloor SL 2000 UB and wait for drying. (ii) Applying Trafficguard UR 150 wear course second coat on the dried first coat. Total thickness should be 400 microns. (e) Total thickness of Polyurethane flooring shall be 4mm. (f) Testing of the flooring shall be done for tensile strength and tear strength as per ASTM D412 and D624 respectively. Notes:- (i) Work shall be carried by authorised applicator of the manufacturer under manufacturer's supervision. (ii) Testing of all the polyurethane items/joint filling materials shall be done as per IS/ASTM before incorporation of materials in the work.

M&L for raking of joint/removing old sealing compound, dirt from EXPANSION JOINTS 20mm wide (+3 mm) and 40 mm deep, cleaning the joint sides properly by mechanical means with diamond cutter, filling the joints with closed cell, medium density, cross linked polyethene foam backup rod of 20mm dia and applying bond breaker tape on top of backup rod for complete width of the joints, priming top with specified primer suitable for polyurethane sealing compound and filling polyurethane based sealant, 10 mm thick including using masking tape on edges of joints to avoid accidental spillage of sealant on top of surface of pavements complete all as specified and directed.

Taking down chowkhat with shutters (without taking off shutters from the frames) not exc 1.5 Sqm each complete all as per specified and directed.

S&F second class hard wood Plain, solid, straight chowkats and frames, wrought, framed rebated on the solid, rounded or chamfered, put together with glue pinned at joints, supplied and fixed complete all as specified and directed.

M&L for preparation of new or previously untreated wooden surface of any description over 10 cm width or girth and applying two coats of synthetic enamel paint over a coat of pink primer in any position complete all as per specified and directed.

M&L for 18/19mm thick Prelaminated particle board, interior grade, prelaminated one side with decorative choice lamination & other side balancing white lamination, fixed with screws to timber frame work complete all as specified and directed.

S&F 75 mm size butt hinges medium weight cold rolled mild steel complete all as specified and directed.

S&F 150 mm Aluminium handles, cast type, anodised complete all as specified and directed.

S&F 200 mm Aluminium anodised, barrel tower bolts of extruded section fixed complete all as specified and directed.

S&F 4mm thick sheet glass ordinary quality in square n.exc 0.5 Sqm in each pane complete all as specified and directed.

Taking down cement plaster on brick or stone walls etc including racking out joints hacking for key and scrubbing down with water etc complete all as specified and as directed.

M&L for rendering 15 mm thick on Brick wall finished fair & even in CM (1:4) complete all as specified and directed.

M&L for rendering 10 mm thick on Brick wall finished fair & even in CM (1:6) complete all as specified and directed.

Supply only water proofing compound complete all as specified and directed.

M&L for preparation of newly plastered surfaces of walls and applying two coats of cement base paint complete all as specified and as directed.

M&L for two coats of Oil bound distemper on wall surfaces over a coat of primer on newly plastered surface of wall including preparation of surface complete all as specified and directed.

M&L for scrapping down old wall surfaces and applying two coats of oil bound distemper over a coat of primer on walls complete all as specified and as directed.

M&L for scrapping down old wall surfaces walls and applying two coats two coats of cement base paint complete all as specified and as directed.

Taking down carefully existing points wiring on surface conduit/concealed conduit for light/fan/socket/power/bell from wall & roof along with fitting and fixtures such as switches, sockets, ceiling roses, batten holders, unserviceable light fittings, pieces of wires, gut ties, conduit, wooden boards etc and making good the disturbed portion of all floor, ceiling etc complete all as specified and as directed.

M&L for Point wiring complete with 1.5 Sqmm, single core PVC insulated PVC unsheathed multi-stranded copper conductor FRLS cable 1100 volts grade laid/drawn through & including rigid PVC conduit with necessary conduit fittings/accessories fixed concealed in walls/ceiling by means of PVC sleeve/dash fastener with cadmium plated iron screws all as per ISI including sunk type pressed steel terminal boxes for mounting, fittings like switches, sockets, fan regulator etc with 3mm thick plastic laminated sheet top covers concealed in walls etc including 1.5 Sq mm single core PVC insulated but unsheathed multistranded copper conductor FRLS cable as continuous earth wire to common earth and connecting to earth dolly for one light point/Fan/Exhaust Fan/Bell push controlled by one Switch complete all as specified and as directed.

All as per Sl item No. 28 here-in-before but for one socket out let 5 pins 5 Amps on the independent board complete all as specified and directed.

All as per Sl item No. 28 here-in-before but one socket out let 5 pins 5 Amps on the same board but with other switches complete all as specified and directed.

All as per Sl item No. 28 here-in-before but 2.5 Sqmm PVC insulated and unsheathed FRLS single core multistranded copper conductor including 2.5 Sqmm PVC insulated and unsheathed FRLS copper earth wire for switch socket combination 3 pin 15 amps on independent board complete all as specified and directed.

Supply and fixing Socket out let flush type 3/6 pin suitable for 15 Amps plug top Multipurpose 230 V complete all as specified and directed.

Supply and fixing Socket out let flush type 5 pin suitable for 5 Amps 230 V complete all as specified and directed.

Supply and fixing Switch Piano flush type 5 amps single Pole one way 230 V complete all as specified and directed.

Supply and fixing Switch Piano flush type 15 amps single Pole one way 230 V complete all as specified and directed.

Supply and fixing Lamp holder insulated body with back plate batten/angle type for batten fittings complete all as specified and directed.

Supply and fixing LED bulb of capacity 9 W complete all as specified and directed.

Supply and fixing Ceiling rose surface bakelite surface 65x50mm, 3 terminals complete all as specified and directed.

Supply and fixing LED lights fitting 1x20 W, 220V, AC decorative box type with driver, holder including LED tube light connecting up with three core flexible copper conductor cable of suitable size from ceiling rose complete all as specified and directed.

S&F electronic ceiling fan regulator stepped type heavy duty suitable to work on 230 volts complete all as specified and directed.

Supply and fixing ceiling fans complete with blades, down rods as required, electronic regulator and accessories, 230 V, 1200 mm sweep, minimum air delivery 210 CFM with service value 6.00 BEE. Five star rated with brushless direct current motor (BLDC) complete all as specified and directed.

Dismantling carefully air circulator fans of 600 mm sweep for re-fixing, cleaning, greasing, oiling and servicing the same complete all as specified and directed.

Supply and Fixing of MCCB VTPN, 4 way including MCCB 63 Amps 3 Pole, 16 KA, 415 Volts DB enclosure, including taking down old u/s MCB complete all as specified and directed.

Supply and fixing MCB single pole, 240 volts, 6 Amps to 32 Amps breaking capacity 10KA (type 'B') complete all as specified and directed.

Supply & Fixing MCB SPN, 240 Volts, 40 Amps breaking capacity 10 KA (type B curve) complete all as specified and directed.

S&F sheet metal enclosure MCB DB SPN 8 way with 200 amps rated bus bar 240 volts double door with isolated Neutral Bar & Shrouded bus bar IP protection 43 having door earthing complete all as specified and directed.

M&L for Sub main wiring, two single core PVC insulated and unsheathed FRLS single core multistranded copper multistranded conductor size 04 Sqmm and one single core 04 sqmm size (Green in Colour) for earth continuity conductor in and including PVC concealed conduit with accessories fixed on walls, Ceiling surfaces etc including connections at both ends complete all as specified and directed.

Supplying laying, jointing, testing and commissioning of LT UG XLPE insulated screened PVC bedded galvanized steel strip or wire armoured electric power cable (heavy duty) with aluminium conductor 1100 volts grade complete of size 25 sqmm 4 core including taking down old unsv cable complete all as specified and directed. Note:- (i) Cable may be laid in trenches, under road, across the nallah, along poles/walls and in ducts etc . (ii) Excavation, earthwork, sand cushioning, cable cover, pipe for cable protection to be measured and paid for separately.

Excavation in trenches in soft/loose soil not exceeding 1.5 m wide and not exceeding 1.5 m in depth for laying of cable etc. and for foundation of poles, stays etc. n exc 10 sqm on plan and n exc 1.5 in depth and getting out complete all as specified and directed.

Returning filling with earth obtained from excavation including spreading, watering & consolidation in layers not exceeding 15 cm thick, complete all as specified and directed.

Removing surplus soil to a distance not exceeding 50 m & depositing at a level not exceeding 1.5 m above the starting point complete all as specified and directed.

Material & labour for Sand filling in trenches with clean dry fine sand unwashed including gently punning around cables complete all as specified and directed.

Material & labour for bricks covering to under ground electric cable using sub class 'B' bricks laid dry, flat, perpendicular to the direction of the cable complete all as specified and directed.

Material & labour for replacement of 40 mm bore GI pipe light grade laid in trenches or fixed to wall/pole for protection of cable/earthing strip etc complete all as specified and directed.

Supply and fixing in repairs LED flood light 170 watt 230 V AC outdoor type with thermal management in multiple optics and equipped with IP66 protection, with impact and corrosion resistant with driver and lamp complete all as specified and directed.

M&L for earthing complete with galvanized mild steel earth electrode plate 600 X 600 X 6 mm thick buried directly and vertically in ground connected to galvanized earth lead wire 4 mm dia by means of bolts, nuts, check nuts and washers of galvanized iron or steel all as shown in electrical Plate No 3 of MES SSR Part-I connected to main switch board or main control board all as specified and testing on completion including provision of earth wire protected by galvanized iron 15 mm bore medium grade pipe with all fittings from the earth electrode fixed along pole or wall with and including 25 x 6mm flat iron clamp, bolts, nuts and washers and watering pipe shall be 20 mm bore GI medium grade from top of the earth pit to top of earth plate electrode including all excavation and earth work in any type of soil and removal of soil upto 50 metre, PCC pit with pre-cast RCC cover with handle, charcoal/salt, funnel, CI frame etc including taking down old unsv earthing complete all as directed. Notes:- (i) The concrete pit shall be made in PCC 1:2:4 type B-0, using 12.5 mm graded crushed stone aggregate 40mm thick precast cover slab of RCC (1:2:4), type B-1, using 20mm graded crushed stone aggregate with suitable MS handle in lieu of CI cover (ii) Item includes the cost of 7.5 metre GI pipe for protection of earth wire. Any variation in length shall be adjusted through deviation order (iii) Items includes cost of 7.5 metre earth lead wire. Any variation in length shall be adjusted through deviation order. (iv) Earth electrode shall be surrounded by adequate quantity of charcoal dust and salt to a packed thickness of 15 cm on all sides.

Taking down carefully copper/aluminium sub main wiring from batten/conduit from DBs, MCBs, etc and making good to disturbed surfaces of walls, floor etc complete all as specified and as directed.

Dismantling carefully ceiling fans (any make) of 1200mm sweep for re-fixing, cleaning, greasing, oiling and servicing the same complete all as specified and as directed.

S&F powder coated anodised aluminium frame for doors, windows, partition, ventilators with one or more rebates including joining cleat for fixing etc. complete all as specified and as directed.

S&F powder coated Aluminum anodized skeleton door shutter of size 100 x 44 x 2 mm thick, vertical styles of shutters made with sections 84 x 44 x 2 mm thick, and top/middle/bottom rail of shutter with section 112 x 44 x 2 mm thick, with sheet thickness 2.00 mm including necessary jointing cleats glazing clips, rubber packing aluminum snap with 4.50 mm thickness ACP (Aluminum Composite Panel) to Aluminum substructure at any height in any colour (as approved by Engr-in-Charge) Non Toxic PE Core-3mm and back coil 0.5 mm with minimum 30 +/- mirror PVDF coating on top coil polyester/epoxy coating on back coil (7+/- 2 micron) fixed on aluminum substructure as specified by manufacture and 5.5 mm thick frosted glass complete all as specified and as directed.

S&F in repairs sheet glass, 5.50 mm thick tinted quality and glazing with oil putty fixed with rubber strip and fixed to aluminium frames complete all as specified and directed.

S&F in repairs ACP in repairs (Aluminum composite panel) 4.5 mm thickness to Aluminum skeleton doors and partitions, non Toxic PE core-3 mm, and back coir 0.5 mm) with minimum 30+ / - 5 mirror PVDF coating on top coil polyester/epoxy coating on back coil (7 +/-2 micron) fixed complete all as specified and as directed.

S&F Mortise lock vertical type, size 100 mm aluminium 4 levers complete all as specified and as directed.

S&F Aluminium extruded section door closer hydraulically regulated designation No. 3, universal type, suitable for door shutters of 851 to 1000 mm in width and of weight between 61 to 80 Kg and fixed complete all as specified and as directed.

S&F suspended false ceiling using anodized GI exposed ceiling suspension system of grid size 60 cm x 60 cm width main runner 'T" section of size 38 mm x 24 mm x 0.4 mm thickness and wall angle of size 24 mm x 24 mm x 0.3 mm thickness and cross Tee of size 24 mm x 24 mm x 0.43 mm thick (using 60 cm x 60 cm E board classic 4 mm thick ceiling board) to be placed in a grid of GI system duly suspended with 4 mm dia GI bar hanger fixed with steel dash fasteners or iron purlin from the roof with adjustment clip providing position for light fixtures, air conditioning diffuser and ducks, sprinkler, smoke detector etc. The main runner to be secured to structural soffit by hanger @ 1220 mm maximum C/C. The last hanger at the end of each runner should not be placed at more than 450 mm from the adjacent wall. Flush fitting 1200 mm cross 'T" to be inter locked between main runner @ 610 mm C/C so as to form 600 mm x 600 mm grid including taking down of old existing ceilings complete all as specified and directed.

Excavating over areas not exceeding 1.50 m deep and getting out in soft/loose soil complete all as specified and directed.

M&L for 75mm PCC 1:4:8 type D-2 (using 40 mm graded stone aggregate) as in sub base of floors etc, complete all as specified and directed.

M&L for coloured, glossy finish precast 80mm thick cement concrete interlocking pavers block, Grade M-35 made with grey cement and pigment manufactured by automatic hydraulic compression with high compressive strength, any size, pattern and shape as approved by engineer-in-charge, laid dry over and including 30 mm thick sand cushion in patterns with different colour as approved by engineer-in-charge, paver blocks as in path, complete all as specified and directed.

Schedule of Credit

M.S J C NATH AND SONS

FREEZCON

M/S S. P. ENTERPRISE

M/S D P BERLIA

M/s PRABIR ENTERPRISE

D N ENTERPRISE

M/S DURGA CONSTRUCTION & CO