Miscellaneous civil works at DATS and NATS Complex, IGI Airport, New Delhi

Amount

Demolishing brick work manually/ by mechanical means including stacking of serviceable material and disposal of unserviceable material within 50 metres lead as per direction of Engineer-in-charge.

Demolishing R.C.C. work manually/ by mechanical means including stacking of steel bars and disposal of unserviceable material within 50 metres lead as per direction of Engineer - in- charge

Chipping of unsound/weak concrete material from slabs, beams, columns etc. with manual Chisel and/ or by standard power driven percussion type or of approved make including tapering of all edges, making square shoulders of cavities including cleaning the exposed concrete surface and reinforcement with wire brushes etc. and disposal of debris for all lead and lifts all complete as per direction of Engineer-In-Charge. 75mm average thickness

Cleaning of reinforcement from rust from the reinforcing bars to give it a total rust free steel surface by using alkaline chemical rust remover of approved make with paint brush and removing loose particles after 24 hours of its application with wire brush and thoroughly washing with water and allowing it to dry, all complete as per direction of Engineer-In-Charge Bars above 12 mm diameter

Providing, mixing and applying bonding coat of approved adhesive on chipped portion of RCC as per specifications and direction of Engineer-In-charge complete in all respect. Epoxy bonding adhesive having coverage 2.20 sqm/kg of approved make

Providing and fixing hard drawn steel wire fabric of size 75 x25 mm mesh or other suitable size wire mesh to be fixed & firmly anchored to the concrete surface by means of “L” shaped mild steel shear key welded with existing reinforcement including the cost of materials,labour, tool & plants as approved by Engineer-in-charge.

Shotcreting R.C.C. columns, beams and slabs etc. in layers with approved design mix concrete having the specified minimum characteristic compressive strength [with ordinary portland cement, coarse sand and graded stone aggregate of 10 mm maximum size in proportion as per design criteria] including the cost of centering and shuttering at edges and corners etc. as directed by Engineerin-Charge. Note: Rates shall include the providing necessary ground wires etc. The levelling gauges, if used, shall be paid for separately. Payment under this item shall be made only after proper wet curing has been done and surface has been satisfactorily evaluated by sounding/tapping with a blunt metal instrument. 75mm thick in Grade M 25 with cement content not less than 330 kg per cum

Providing gola 75x75 mm in cement concrete 1:2:4 (1 cement : 2 coarse sand : 4 stone aggregate 10 mm and down gauge), including finishing with cement mortar 1:3 (1 cement : 3 fine sand) as per standard design : In 75x75 mm deep chase

Reinforced cement concrete work in walls (any thickness), including attached pilasters, buttresses, plinth and string courses, fillets, columns, pillars, piers, abutments, posts and struts etc. above plinth level up to floor five level, excluding cost of centering, shuttering, finishing and reinforcement :1:1.5:3 (1 cement : 1.5 coarse sand(zone-III) : 3 graded stone aggregate 20 mm nominal size)

15 mm cement plaster on rough side of single or half brick wall of mix: 1:4 (1 cement: 4 coarse sand)

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)

Removing dry or oil bound distemper, water proofing cement paint and the like by scrapping, sand papering and preparing the surface smooth including necessary repairs to scratches etc. complete

Providing and applying white cement based putty of average thickness 1 mm, of approved brand and manufacturer, over the plastered wall surface to prepare the surface even and smooth complete

Painting with synthetic enamel paint of approved brand and manufacture of required colour to give an even shade : One or more coats on old work

Dismantling steel work in built up sections in angles, tees, flats and channels including all gusset plates, bolts, nuts, cutting rivets, welding etc. including dismembering and stacking within 50 metres lead

Steel work welded in built up sections/ framed work, including cutting, hoisting, fixing in position and applying a priming coat of approved steel primer using structural steel etc. as required. In gratings, frames, guard bar, ladder, railings, brackets, gates and similar worksIn stringers, treads, landings etc. of stair cases, including use of chequered plate wherever required, all complete

Finishing with Epoxy paint (two or more coats) at all locations prepared and applied as per manufacturer’s specifications including appropriate priming coat, preparation of surface, etc. complete. On steel work

Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - All work up to plinth level : 1:2:4 (1 cement : 2 coarse sand (zone-III) : 4 graded stone aggregate 20 mm nominal size)

Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - All work up to plinth level : 1:4:8 (1 Cement : 4 coarse sand (zone-III) : 8 graded stone aggregate 40 mm nominal size)

Kota stone slab flooring over 20 mm (average) thick base laid over and jointed with grey cement slurry mixed with pigment to match the shade of the slab, including rubbing and polishing complete with base of cement mortar 1 : 4 (1 cement : 4 coarse sand) :25 mm thick

Steel work in built up tubular (round, square or rectangular hollow tubes etc.) trusses etc., including cutting, hoisting, fixing in position and applying a priming coat of approved steel primer, including welding and bolted with special shaped washers etc. complete. Electric resistance or induction butt welded tubes

Structural steel work riveted, bolted or welded in built up sections, trusses and framed work, including cutting, hoisting, fixing in position and applying a priming coat of approved steel primer all complete

Earth work in surface excavation not exceeding 30 cm in depth but exceeding 1.5 m in width as well as 10 sqm on plan including getting out and disposal of excavated earth upto 50 m and lift upto 1.5 m, as directed by Engineer-in- Charge: All kinds of soil

Providing and laying in position bitumen hot sealing compound for expansion joints etc. Using grade 'A' sealing compound.

Providing and fixing Chlorinated Polyvinyl Chloride (CPVC) pipes, having thermal stability for hot & cold water supply including all CPVC plain & brass threaded fittings This includes jointing of pipes & fittings with one step CPVC solvent cement, trenching, refilling & testing of joints complete as per direction of Engineer in Charge. External work 50 mm nominal outer dia Pipes (SDR-11)

Providing and fixing precoated galvanised iron profile sheets (size, shape and pitch of corrugation as approved by Engineer-in-charge) 0.50 mm (+ 0.05 %) total coated thickness with zinc coating 120 grams per sqm as per IS: 277, in 240 mpa steel grade, 5-7 microns epoxy primer on both side of the sheet and polyester top coat 15-18 microns. Sheet should have protective guard film of 25 microns minimum to avoid scratches during transportation and should be supplied in single length upto 12 metre or as desired by Engineerin-charge. The sheet shall be fixed using self drilling /self tapping screws of size (5.5x 55 mm) with EPDM seal, complete upto any pitch in horizontal/ vertical or curved surfaces, excluding the cost of purlins, rafters and trusses and including cutting to size and shape wherever required.

Providing and fixing full height Glass Partition over False Floor using 12mm thick toughened glass of SAINT GOBAIN/ MODIGUARD/ ASAHI or of approved make with DORMA/ OZONE/Geze/ Linox or of approved make patch fittings of Corner Connector, side connector with fixing plate/Geze with side connector and connection of two panel with PT 84/ Linox or approved equivalent fittings with stainless steel cover of DORMA/OZONE/Geze/ Linox/Kaba (Switzerland) make fixed with S.S. screws or with fixing clip i/c fabricating and fixing top and bottom Steam beach wooden members section 100mm x 50mm as per site requirement to give stability against its free movement, complete as per satisfaction of Engineer-in-charge. (Note : The top and bottom members of Steam beach wood are to be properly fixed with end slab through extended wood members of section 50mm x 50 mm to get stability) . The elevational area of the glass to be measured for payment purpose. All Glass Joints are to be filled with Silicon . (Glass door shutter will be measured in respective item no-29)

Providing and fixing Glass Door Shutter over false flooring with 12mm thick tougnened glass of SAINT GOBAIN/ MODIGUARD/ ASAHI or equivalent on DORMA/ Geze/ Linox/Kaba (Switzerland) or equivalent make die cast patch fitting with stainless steel cover which includes one no each of top pivot, Bottom Patch, Top Patch, standard lock with Strike Plate, Floor Spring, pair of SS Pull Handle (25 X 350 mm), with pivot and other accessories for self closing feature of DORMA/OZONE/ Geze/ Linox/Kaba (Switzerland) or equivalent make complete in all respects i/c fabricating and fixing MS structure made out of 50x50x5mm for door floor spring to be fixed on base slab as per detail with the help of fasteners and high power adhesive and top Steam beach wooden members section 100mm x 50mm as per site requirement to give stability against its free movement, complete as per satisfaction of Engineer-in-charge. The top member of Steam beach wood is to be properly fixed with end slab through extended wood members of section 50mm x 50 mm to get stability. (for measurement only openable area of door shall be measured). Note: In case of over panel, payment for extra fiitings shall be made in item no - 30

Providing and fixing of Big L - patch of make Ozone (model no OPF-1) or equivalent and Small L - patch of make Ozone (model no OPF-610) or equivalent to connect upper glass with side glasses as per site requirements.

Providing & fixing Storage unit at all floors of Depth 450 mm (area of each opening not less than 0.5 sqm) in open office having single or double shutters with 19 mm thick commercial plywood sides/Front/shelves /Bottom & top finished with 1.0 mm thick laminate on all outer surface with balancing laminate all inside , 12 mm thick commercial plywood back with 100mm x 12mm thick teak wood skirting, Teak Wood lipping, locks, handles (100 mm long with S.S hairline Finish) auto closing hinge, towerbolt,SS shelf pin all complete as per the direction and satisfaction of Engineer-in- charge. The areas not having Laminate shall be finished with polish. (For payment purpose Front area to be measured.)

Providing and fixing 3MTM Scotchal Electro Cut Dusted crystal (Acid etched look-7725SE-314) / Frosted crystal (Sand Blasted look-7725SE-324)/ Avery frosted sparkle film or approved equivalent Graphic Film over the designated locations with wet applications at all floors in any design and pattern complete as per the direction and satisfaction of Engineer-in- charge. (No deductions shall be made for the blank areas in the pattern). The rate shall include all material, labour, handling, transportation, insurance charges, all taxes & surcharges but exclusive of GST.

Providing and fixing factory made precast RCC perforated drain covers, having concrete of strength not less than M-30, of size 600 x 600x70 mm, reinforced with 8 mm dia four nos longitudinal & 9 nos cross sectional T.M.T. hoop bars, including providing 70 mm dia perforations @ 100 to 125 mm c/c, including providing edge binding with M.S. flats of size 70 mm x 1.6 mm complete, all as per direction of \Engineer-in-charge

Cartage of malba from inside AAI premises to out side AAI premises by mechanical means including loading and unloading complete as desired by the Engineer-in-charge. Upto 5 cum

Providing and fixing 4mm thick translucent/transparent acrylic sheet of white or any other colour on existing boards in required shape etc. complete as per direction & satisfaction of Engineer-in-charge .

Cleaning of Existing joints of various sizes on rigid pavement including proper Cleaning of bitumenous material from sides using petroleum material (i.e. thinner etc) and / or with joint cutting machine and / or burning stove and / or hot air blower as per site requirement and satisfaction of E.I.C..

Providing and applying two coat of water proofing material, New coat white acrylic range of Dr. fixit make pidilite (@2sqm/litre/coat) or equivalent over a fibre mesh layer i/c cleaning/removing the dirt, dust of existing surface with wire bush/grinding, repariring of cracks / damage surface by filling with chemicals or cement motar and applying one coat of Tufcrete (MYK Schomburg product) primer (3 sqm/lit/coat) etc. complete as per E.I.C.

JAMAN LAL