Repairs to RCC members and other civil work at TE building, Market Exchange, Surat.

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) derived from natural sources : 4 graded stone aggregate 20 mm nominal size derived from natural sources)

Providing and laying cement concrete in retaining walls, return walls, walls (any thickness) including attached pilasters, columns, piers, abutments, pillars, posts, struts, buttresses, string or lacing courses, parapets, coping, bed blocks, anchor blocks, plain window sills, fillets, sunken floor, etc., up to floor five level, excluding the cost of centering, shuttering and finishing :

(a)1:2:4 (1 Cement : 2 coarse sand (zone-III) derived from natural sources : 4 graded stone aggregate 20 mm nominal size derived from natural sources)

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

(a)Retaining walls, return walls, walls (any thickness) including attached pilasters, buttresses, plinth and string courses fillets, kerbs and steps etc..

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

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

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.

Repairing including Servicing and over oiling of rolling shutters up to 6 to 12 sqm for smooth operation of shutter etc. i/c providing and fixing spring look hook if required etc.all complete as per the direction of Engineer-in-charge.

Providing & fixing UV stabilised fiberglass reinforced plastic sheet roofing up to any pitch, including fixing with polymer coated ‘J’ or ‘L’ hooks, bolts & nuts 8 mm dia. G.I plain/bitumen washers complete but excluding the cost of purlins, rafters, trusses etc. The sheets shall be manufactured out of 2400 TEX panel rovigs incorporating minimum 0.3% ultra-violet stabiliser in resin system under approximately 2400 psi and hot cured. They shall be of uniform pigmentation and thickness without air pockets and shall conform to IS 10192 and IS 12866.The sheets shall be opaque or translucent, clear or pigmented, textured or smooth as specified.

(a)2mm thick flat.

18 mm cement plaster in two coats under layer 12 mm thick cement plaster 1:5 (1 cement: 5 coarse sand) and a top layer 6 mm thick cement plaster 1:3 (1 cement: 3 coarse sand) finished rough with sponge.

Finishing walls with Acrylic Smooth exterior paint of required shade :

(a)Old work (Two or more coat applied @ 1.67 ltr/ 10 sqm) on existing cement paint surface).

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 directions of Engineer-In-Charge.

(a)With cement mortar 1:4 (1 cement : 4 fine sand).

Providing and fixing double scaffolding system (cup lock type) on the exterior side, up to seven story height made with 40mm dia. M.S. tube 1.5m centre to centre horizontal & vertical tubes joining with cup & lock system with M.S. tubes, M.S. tube challies, M.S. clamps and M.S. staircase system in the scaffolding for working platform etc. and maintaining it in a serviceable condition for the required duration as approved and removing it there after. The scaffolding system shall be stiffened with bracings, runners, connection with the building etc. wherever required for inspection of work at required locations with essential safety features for the workmen etc. complete as per directions and approval of Engineer-in-charge .The elevational area of the scaffolding shall be measured for payment purpose. The payment will be made once irrespective of duration of scaffolding. Note: - This item to be used for maintenance work judicially, necessary deduction for scaffolding in the existing item to be done.

Providing and fixing rubber make(black colour) pigeon net in the windows properly fixed with tyes or wires to the existing MS frames all complete as per the direction of Engineer-in-charge.

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 1:3:6 or richer mix (i/c equivalent design mix)

(a) Nominal concrete 1:4:8 or leaner mix (i/c equivalent design mix)

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 fixing wash basin with C.I. brackets, 15 mm C.P. brass pillar taps, 32 mm C.P. brass waste of standard pattern, including painting of fittings and brackets, cutting and making good the walls wherever require:

(a)White Vitreous China Wash basin size 550x450 mm with single 15 mm C.P. brass pillar taps.

Providing and fixing white vitreous china flat back or wall corner type lipped front urinal basin of 430x260x350mm or 340x410x265mm sizes respectively.

Providing and fixing P.V.C. waste pipe for sink or wash basin including P.V.C. waste fittings complete. (i)Flexible pipe.

(a)32 mm dia.

Providing and fixing Chlorinated Polyvinyl Chloride (CPVC) pipes, having thermal stability for hot & cold water supply, including all CPVC plain & brass threaded fittings, including fixing the pipe with clamps at 1.00 m spacing. This includes jointing of pipes & fittings with one step CPVC solvent cement and testing of joints complete as per direction of Engineer in Charge. Internal work - Exposed on wall(i)Internal work - Exposed on wall

(a) 15 mm nominal dia Pipes

(b) 20 mm nominal dia Pipes

(c) 25 mm nominal dia Pipes

(d) 40 mm nominal dia Pipes

(e) 50mm nominal dia Pipes

Providing and fixing uplasticised PVC connection pipe with brass unions. (a) 45 cm length.

(i)15 mm nominal bore.

Providing and placing on terrace (at all floor levels) polyethylene waterstorage tank, IS : 12701 marked, with cover and suitable locking arrangement and making necessary holes for inlet, outlet and overflowpipes but without fittings and the base support for tank.

Providing and fixing PTMT Bib Cock of approved quality and colour.:

(i)15mm nominal bore, 86 mm long. Weighing not less than 88 gms.

Providing and fixing PTMT Stop Cock of approved quality and colour.:

(i) 15mm nominal bore, 86 mm long. Weighing not less than 88 gms.

Providing and fixing PTMT grating of approved quality and colour. (a) Rectangular type with openable circular lid.

(i)150 mm nominal size square 100 mm diameter of the inner hinged round grating.

Providing and fixing UPVC full turn valve having threads on two sides in position after removing the old and unserviceable GI wheel valve all complete as per the direction of Engineer-in-charge.

(a)25 mm nominal bore

(b)40 mm nominal bore

(c)50 mm nominal bore

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)50 mm average thickness

(b)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

(b)Bars above 12 mm diameter

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/SBR anchor grout of approved make but excluding the cost of reinforcement, all complete as per direction of Engineer-In-Charge.(a)Upto and including 12mm 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)SBR Polymer (@10% of cement weight) modified cementitious bond coat @ 2.2 kg cement per sqm of surface area mixed with specified proportion of approved polymer

Providing, mixing and applying SBR polymer (of approved make) modified Cement mortar in proportion of 1:4 (1 cement: 4 graded coarse sand with polymer minimum 2% by wt. of cement used) as per specifications and directions of Engineer-in-charge.Note: Measurement and payment: The pre-measurement of thickness shall be done just after the surface preparation is completed and 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 and/or the 75mm size cube crushing strength at the end of 28 days to be not less than 30 N/Sqmm2).

(a)25 mm average thickness in 2 layers.

Providing, mixing and applying SBR polymer (of approved make @ minimum 2% by wt. of cement used) modified plain/reinforced cement concrete for structural members having minimum characteristic compressive strength [with ordinary portland cement, coarse sand and graded stone aggregate of 10mm maximum size in proportion as per design criteria] with specified average thickness. Note: Rates shall be for finished surface area of concrete and shall include the cost of labour, concrete and appropriate approved Super- Plasticiser for rendering concrete as flowable and SBR polymer but shall exclude cost of reinforcement, bond coat, Shear Keys, centering and shuttering, strutting, propping etc.

(a)50mm thick in Grade M 25 with cement content not less than 330 kg per cum

Providing and injecting approved grout in proportion recommended by the manufacturer into cracks/honey-comb area of concrete/masonry by suitable gun/pump at required pressure including cutting of nipples after curing etc. complete as per directions of Engineer-in-Charge.(The payment shall be made on the basis of actual weight of approved grout injected.) (a) Stirrer mixed Acrylic Polymer of approved make @ 2% of weight of cement used) modified Cement slurry made with non shrink compound in concrete/RCC work

Providing, erecting, maintaining and removing temporary protective screens made out of specified fabric with all necessary fixing arrangement to ensure that it remains in position for the work duration as required by the Engineer-in-charge.

(a)Wooven PVC cloth

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.

Providing and applying Epoxy/SBR passivate coat of Dr. Fixit Epoxy Zinc Primer or approved Equivalent over exposed, cleaned,new/old reinforcing bars to provide a continuos film around the reinforcing bar as per manufacturer's specifications and as per the direction of Engineer-in-charge. ( Area of the RCC surface as before the application of treatment is to be measured for payment )

Propping and supporting the structural members and its adjoining areas with steel props (adjustable or as required), bracings, steel/timber runners etc. to relieve the structural member of the required load coming over it as per the pattern given by the contractor & approved by Engineer-in-charge complete. (Props shall be fixed before commencing chipping work and shall remain in position till new concrete gains its strength)

(a)Steel prop. of up-to 5MT capacity and up-to 3.2 m. height.

(a)corroded reinforcement

(b)GI pipes varying from 15mm to 50mm dia

Deduct for component of scaffolding in items of external plaster,dismantling of old plaster and repairable windows on external face and PVC pipe lines on external face. The deduction in respect of these items to be made due to the scaffolding will be paid separately in relevant item of scaffolding.

(a)In respect of 18mm Cement plaster

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