IMPROVEMENT TO SECURITY INFRASTRUCTURE AND ALLIED WORKS SERVICES AT AF STN DIGARU

Amount

Excavating over areas, n exc 1.5 m deep and getting out in soft/loose soil complete all as specified and directed.

.-ditto-all as item no.1 above but beyond 1.50m or part thereof in depth complete all as specified and directed.

Excavating in trenches, n exc 1.5 m wide and n exc 1.5 m in depth; for foundation, etc. or for shafts, wells, cesspits,manholes, pier holes, etc. n exc 10 sq m on plan and n exc 1.5 m in depth and getting out in soft/loose soil complete all as specified

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 RCC M25 grade (Design Mix) using 20mm graded stone aggregate as in foundation including footing plinth beam, base for column, etc complete all as specified and as directed.

.-ditto- all as per item no. 5 above but in columns complete.

.-ditto- all as per item no. 5 above but as in lintel, beams etc complete.

M&L for Form work to sides of concrete foundations, footings, bases of columns, raft and raft beams, sides and soffits of foundation and plinth beams, and similar work for rough finished flat surfaces complete all as specified and directed.

.-ditto all as per item no. 8 above but in columns.

.-ditto all as per item no. 8 above but in sides & soffits of beams.

M&L Brickwork with subclass‘B’ bricks, straight orcurved on plan exc 6m mean radius built in cement mortar 1:6 complete all as specified and as directed.

M&L for 15mm thick rendering in CM (1:4) on fair faces of wall finished even & smooth without using extra cement complete all as specified and as directed.

M&L for preparation of new wall surfaces Finishing walls with Acrylic Smooth exterior paint of required shade : New work (Two or more coat applied @ 1.67 ltr/10 sqm over and including priming coat of exterior primer applied @ 2.20 kg/10 sqm)complete all as specified.

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 confirming to Fe-290 Gde-165 all as specified and as directed.

M&L Preparing new steel or iron surfaces of any description over 10 cm width or girth and applying two coats of synthetic enamel paint over a coat of red oxide primer complete all as specified..

M&L Preparing new steel or iron surfaces of any description over 10 cm width or girth and applying two coats of Bituminous paint complete all as specified.

S&F Galvanised. 2 strand, steel barbed wire 2.24mm dia barbed with 2mm dia barbs at 75mm spacings and straining and fixing to any type of standard rails straining bolts, including, securing or tying at crossings with and provision of galvanised mild steel wire, staples or steel pins, etc. as directed (each line wire to be measured)

S&F Concertina coil 600mm dia/56 loops/2.5mm dia barbed wire.coil diameter 600mm.Type of Strip-Heavy Galvanized(IS-1730) Type of core wire: Heavy Galvanized (IS.280-2006)core wire Diameter 2.5mm Dia zinc coating to strip : Minimum 200GSM/Sqmm,Zinc coating on wire :minimum 275 GSM/Sqmm(IS 6745-1972 reaffirmed 2006).Tensile strength of wire 1400-1500N/sqmm weight : 14.63kg(+-5%),Number of Loops 56 Blade Length : 22 mm barb profile Medium Blade (MBBT)Distance between Barbs 35mm.Strechable length 12mtrs.Type of Clip Hardened Steelin Galvanized steel.complete all as specified.

Mild steel round bars 10mm dia and over, cut to length, bent to shape required, including cranking, bending spirally for hooping for columns, hooking ends and binding with and including mild steel wire (annealed) not less than 0.9mm dia or securing with clipsFe-410-W (Gde.E-250) Part- I quality-A or Fe 290 (Gde -E-165)complete all as specified.

Returning filling in including spreading levelling watering and well ramming in layers n.exc 25cm deep as in soil complete all as specified.

Removing excavated material n.exc 50m and depositing where directed at a level n.exc 1.5m above the starting point as in soil complete all as specified.

M&L for TMT bars 10mm dia and over cut to length, bent to shape required incl cranking, bending, spirally for hooping for columns, hooking end and binding with and incl mild steel wire not less than 0.9mm dia or securing with clip quality confirming to deformed or twisted bars complete all as specified and directed.

Mild steel TMT bars 8mm dia as in stirrups, spaces and binders complete all as specified and directed.

Mild steel screw bolts 16mm dia and 200mm long machine made hexagonal or square head at one end ans screw at the other end to be fitted with washer and nut complete all as specified and as directed.

Shri Debajyoti Das (BID ID -3275790)

New Era Engineers (BID ID -3279944)

HARBHAJDAS AGARWAL (BID ID -3275130)

M/s GOURAB JYOTI GOGOI (BID ID -3276234)

J AND K CONSTRUCTION CO (BID ID -3275863)

M/S YAIPHABA ENTERPRISES (BID ID -3279882)