Covering of C.I. Pipes and O.H work head work in karmchari quarters and SIT building at IIT Delhi

Amount

Earth work in excavation by mechanical means (Hydraulic excavator) / manual means in foundation trenches or drains (not exceeding 1.5 m in width or 10 sqm on plan), including dressing of sides and ramming of bottoms, for all lift, including getting out the excavated soil and disposal of surplus excavated soil as directed, within a lead of 50 m.

All kinds of soil.

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) derived from natural sources : 8 graded stone aggregate 40 mm nominal size derived from natural sources)

Providing and laying in position specified grade of reinforced cement concrete, excluding the cost of centering, shuttering, finishing and reinforcement - All work up to plinth level :

1:1.5:3 (1 cement : 1.5 coarse sand (zone-III) derived from natural sources : 3 graded stone aggregate 20 mm nominal size de rived from natural sources)

Centering and shuttering including strutting, propping etc. and removal of form for

Foundations, footings, bases of columns, etc. for mass concrete

Steel reinforcement for R.C.C. work including straightening, cutting, bending, placing in position and binding all complete upto plinth level.

Thermo-Mechanically Treated bars of grade Fe-500D or more.

Brick work with common burnt clay F.P.S. (non modular) bricks of class designation 7.5 in superstructure above plinth level up to floor V level in all shapes and sizes in :

Cement mortar 1:4 (1 cement : 4 coarse sand)

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.

Hot finished welded type tubes

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 works

12 mm cement plaster of mix :

1:4 (1 cement: 4 coarse sand)

Painting with synthetic enamel paint of approved brand and manufacture to give an even shade :

Two or more coats on new work

Making the opening in brick masonry including dismantling in floor or walls by cutting masonry and making good the damages to walls, flooring and jambs complete, to match existing surface i/c disposal of mulba/ rubbish to the nearest municipal dumping ground, all complete as per direction of Engineer-in-Charge.

For door/ window/ clerestory window

Regrading terracing of mud phaska covered with tiles or brick, in cement mortar by dismantling tiles or bricks, removing mud plaster, preparing the surface of mud phaska to proper slope, relaying mud plaster gobri leaping and tiles or bricks, grouted in cement mortar 1:3 (1 cement : 3 fine sand), including replacing unserviceable tiles or bricks with new ones and disposal of unserviceable material to the dumping ground (the cost of the new tiles or brick excluded), all complete 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.

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.

Providing and laying at or near ground level factory made kerb stoneof M-25 grade cement concrete in position to the required line, leveland curvature, jointed with cement mortar 1:3 (1 cement: 3 coarsesand), including making joints with or without grooves (thickness ofjoints except at sharp curve shall not to more than 5mm), includingmaking drainage opening wherever required complete etc. as perdirection of Engineer-in-charge (length of finished kerb edging shallbe measured for payment). (Precast C.C. kerb stone shall be approvedby Engineer-in-charge).

Providing and laying factory made chamfered edge Cement Concretepaver blocks in footpath, parks, lawns, drive ways or light trafficparking etc, of required strength, thickness & size/ shape, made bytable vibratory method using PU mould, laid in required colour &pattern over 50mm thick compacted bed of sand, compacting andproper embedding/laying of inter locking paver blocks into the sandbedding layer through vibratory compaction by using plate vibrator,filling the joints with sand and cutting of paver blocks as per requiredsize and pattern, finishing and sweeping extra sand. complete all asper direction of Engineer-in-Charge.

80 mm thick C.C. paver block of M-30 grade with approvedcolor design and pattern.

Drilling suitable holes in reinforced or plain cement concrete with power driven drill machine to a minimum depth of 100mm upto 200mm 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.

Upto and including 12mm dia.

Providing and fixing factory made 18 mm thick single extruded WPC (Wood Polymer Composite) solid plain white colour board Jali, CNC (Computer numeric control) routed of approved design by Engineer-in -charge which are machine cut for duct/ shaft covering, partitions and facades comprising of virgin polymer of K value 58-60 (Suspension Grade), calcium corbonate and natural fibers (wood powder/ rice husk/wheat husk) and non toxic additives(maximum toxicity index of 12 for 100 gms) having minimum density of 650 kg/cum and screw withdrawal strength of 1800 N (Face) minimum compressive strength 50 N/mm2, modulus of elasticity 850 N/mm2 and resistance to spread of flame of Class A category with properties of being termite/borer proof, water/moisture proof and fire retardant and fixing on M.S (mild steel) frame made of 25 x 25 x 1.5 mm square hollow box section including applying a priming coat of approved steel primer, placed at grid made at 1.0 x 1.0 m or as per requirement at site with necessary stainless steel fasteners and SS screws etc., all complete as per direction of Engineer-In- Charge. (Note: M.S (mild steel) framework with priming coat and necessary SS fasteners and SS screws shall be paid separately.

Providing and supplying Hybrid injection adhesive UH 300 of Wurth /HY 200 of Hilti /FIS SB of Fischer with M12 X 135 (12mm dia x 135mm length) SS316 grade (A4 - grade) threaded Rod. The Chemical shall be approved as well as tested as per ETAG (Part 1 to 5) and TR 029 for Seismic conditions (both C1 and C2), resistance to corrosion, water tightness, fire performance & service temperature ranging from - 40deg C to +160 deg C, tested for 4 different temperature ranges. The chemical shall have approval for all type of drilled hole condition i.e. dry, wet and flooded hole conditions. The chemical shall have certifications like LEED certification, NSF International and VOC content free with a product service life of 100 years. All post installed connections shall be designed as per EN 1992- Part 4/TR 029 only and report of the same to be submitted to the EIC / design engineer for approval. The chemical cartridge shall have a robust and solid body coaxial type packaging to avoid the material wastage due to transportation, storage and rough handling at project site. Wire brush shall be used to clean the drilled hole and electric blower must be used to clean the dust for holes having dia. more than 20 mm and depth more than 239 mm. The rates to include all the preparations which needs to be done like marking, safety precaution, cleaning the area after completion of the work..

NITIN SHARMA

MODERN CONCEPT CONSTRUCTIONS