Addition/Alteration in existing office building at Central Store, GTK road, Azadpur.

Dismantling old plaster or skirting raking out joints and cleaning the surface for plaster including disposal of rubbish to the dumping ground within 50 metres lead.

Demolishing cement concrete manually/ by mechanical means including disposal of material within 50 metres lead as per direction of Engineer - in - charge. A)Nominal concrete 1:4:8 or leaner mix (including equivalent design mix)

Demolishing brick tile covering in terracing including stacking of serviceable material and disposal of unserviceable material within 50 metres lead.

Demolishing mud phaska in terracing and disposal of material within 50 metres lead.

Demolishing gola and disposal of unserviceable material within 50 metres lead all complete as per direction of Engineer-In-Charge.

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 : A) In 75x75 mm deep chase

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 (a) 25 mm 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. (a) Bars upto 12 mm diameter

Anticorrosive treatment to exposed reinforcing bars using Zn rich epoxy phenolic material of approved anticorrosive product@approx. 5.5sqm/lit all complete as per direction of Engineer-In-Charge.

Providing and applying Concrete Penetrating Corrosion inhibitor "CPCI" of brand approved by EIC over the entire surface @approx. 4 sqm/lit., all complete as per direction of Engineer-In-Charge

Steel reinforcement for R.C.C. work including straightening, cutting, bending, placing in position and binding all complete upto plinth level. (a) Thermo-Mechanically Treated bars of grade Fe-500D or more.

Providing and fixing of L shaped 150 mm long, 10 mm dia mild steel shear key after drilling suitable holes in reinforced or plain cement concrete with power driven drill machine to a minimum depth of 100 mm upto 200 mm in RCC beams, lintels, columns and slabs to introduce steel bars including fixing the steel bars in position using epoxy resin anchor grout of approved make but excluding the cost of reinforcement, all complete as per direction of Engineer-In-Charge.

Drilling suitable holes in reinforced or plain cement concrete with power driven drill machine to a minimum depth of 100 mm upto 200 mm in RCC beams, lintels, columns and slabs to introduce steel bars for sunshades/ balconies including fixing the steel bars in position using epoxy resin anchor grout of approved make but excluding the cost of reinforcement, all complete as per direction of Engineer-In-Charge. a) Upto and including 12 mm dia.

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. (a) Epoxy bonding adhesive having coverage 2.20 sqm/kg of approved make

Polymer Modified Mortar for Cracked & Spalled Portions: Building up the profile of structural members 10/25/50 mm average depth by using emulsified SBR latex having solid content not less than 40% and conforming to ASTM C-1059 Type-I/Type-II in damaged areas (1 Cement-3 part graded cleaned river sand + 20% latex by weight of cement) with 0.35 w/c ratio, in maximum 15-20 mm thick layers wise providing SBR bond coat in between successive layers, including levelling profiling complete. Proper moist curing to be done for the repair work. Gunny bags may be used for effective curing. Polypropylene fibers to be added to reduce shrinkage. For measurement, patch area of repair work will be taken. (SBR bond coat will be paid seperately ) (Specification meeting ASTM C-1059 shall approved by EIC before application), all complete as per direction of Engineer-In-Charge (a) 25 mm average thickness

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.

12 mm cement plaster of mix : 1:4 (1 cement: 4 coarse sand)

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

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

Distempering with 1st quality acrylic distemper (ready mixed) having VOC content less than 50 gram/litre, of approved manufacturer and of required shade and colour all complete to achieve even shade and colour : 13.41.1 New work (two or more coats) over and including water thinnable priming coat with cement primer having VOC content less than 50 gram/litre

Finishing walls with ready mixed Premium acrylic emulsion paint (Company Depot Tinted) having VOC less than 50 gm/litre and UV resistance as per IS 15489:2004, Alkali & fungal resistance, dirt resistance exterior paint of required shade with silicon additives. a) New work (Two or more coats applied @ 1.43 litre/ 10 sqm over and including priming coat of exterior primer applied @ 0.90 litre/10 sqm.

Repairs to plaster of thickness 12 mm to 20 mm in patches of area 2.5 sq.meters and under, including cutting the patch in proper shape, raking out joints and preparing and plastering the surface of the walls complete, including disposal of rubbish to the dumping ground, all complete as per direction of Engineer-in-Charge a)With cement mortar 1:4 (1cement: 4 coarse sand)

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. (a) In gratings, frames, guard bar, ladder, railings, brackets, gates and similar works

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

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

Providing and laying water proofing treatment on roofs of slabs byapplying cement slurry mixed with water proofing cement compoundconsisting of applying: (a) after surface preparation, first layer of slurry of cement @ 0.488 kg/sqm mixed with water proofing cement compound @ 0.253 kg/sqm.(b) laying second layer of Fibre glass cloth when the first layer isstill green. Overlaps of joints of fibre cloth should not be lessthan 10 cm. (c) third layer of 1.5 mm thickness consisting of slurry of cement@ 1.289 kg/sqm mixed with water proofing cement compound@ 0.670 kg/sqm and coarse sand @ 1.289 kg/sqm. This willbe allowed to air cure for 4 hours followed by water curing for48 hours. The entire treatment will be taken upto 30 cm onparapet wall and tucked into groove in parapet all around. (d) fourth and final layer of brick tiling with cement mortar (which will be paid for separately.

Neat cement punning.

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

Brick work with common burnt clay F.P.S. (non modular) bricks of class designation 7.5 in foundation and plinth in: A) Cement mortar 1:6 (1 cement : 6 coarse sand)

Supplying and fixing rolling shutters of approved make, made of required size M.S. laths, interlocked together through their entire length and jointed together at the end by end locks, mounted on specially designed pipe shaft with brackets, side guides and arrangements for inside and outside locking with push and pull operation complete, including the cost of providing and fixing necessary 27.5 cm long wire springs manufactured from high tensile steel wire of adequate strength conforming to IS: 4454 - part 1 and M.S. top cover of required thickness for rolling shutters.

Providing and fixing ball bearing for rolling shutters.

Making khurras 45x45 cm with average minimum thickness of 5 cm cement concrete 1:2:4 (1 cement : 2 coarse sand : 4 graded stone aggregate of 20 mm nominal size) over P.V.C. sheet 1 m x1 m x 400 micron, finished with 12 mm cement plaster 1:3 (1 cement : 3 coarse sand) and a coat of neat cement, rounding the edges and making and finishing the outlet complete.

Providing and fixing on wall face unplasticised Rigid PVC rain water pipes conforming to IS : 13592 Type A, including jointing with seal ring conforming to IS : 5382, leaving 10 mm gap for thermal expansion, (i) Single socketed pipes. 110 mm diameter

Providing and fixing on wall face unplasticised - PVC moulded fittings/accessories for unplasticised Rigid PVC rain water pipes conforming to IS 13592 Type A, including jointing with seal ring conforming to IS : 5382, leaving 10 mm gap for thermal expansion. Bend 87.5° 110 mm bend

Disposal of building rubbish / malba / similar unserviceable, dismantled or waste materials by mechanical means, including loading, transporting, unloading to approved municipal dumping ground or as approved by Engineer-in-charge, beyond 50 m initial lead, for all leads including all lifts involved.

Add correction factor as per CPWD OM @0.973= 2616498.00

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