Special Repair Works related to Waterproofing and Associated to the Terrace of the Old Building and Intermediate Floors below the Roof at ESIC Medical College and Hospital, Joka,

Extra for providing and mixing water proofing material in cement concrete work in doses by weight of cement as per manufacturer’s specification.

Reinforced cement concrete work in beams, suspended floors, roofs having slope up to 15° landings, balconies, shelves, chajjas, lintels, bands, plain window sills, staircases and spiral stair cases above plinth level up to floor five level, excluding the cost of centering, shuttering, finishing and reinforcement with 1:1.5:3 (1 cement : 1.5 coarse sand(zone-III)derived from natural sources : 3 graded stone aggregate 20 mm nominal sizederived from natural sources).

Centering and shuttering including strutting, propping etc. and removal of form for : Suspended floors, roofs, landings, balconies and access platform

Centering and shuttering including strutting, propping etc. and removal of form for :Columns, Pillars, Piers, Abutments, Posts and Struts

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

Brick work with common burnt clay machine moulded perforated bricks of class designation 12.5 conforming to IS: 2222 in superstructure above plinth level up to floor five level in cement mortar 1:6 (1 cement : 6 coarse sand) : With F.P.S.(non modular) bricks.

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 seamless type tubes.

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

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 rin

g conforming to IS : 5382, leaving 10 mm gap for thermal expansion. Coupler 110mm

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

12 mm cement plaster finished with a floating coat of neat cement of mix : 1:4 (1 cement: 4 fine sand)

Neat cement punning

Providing and applying plaster of paris putty of 2 mm thickness over plastered surface to prepare the surface even and smooth complete

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. 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.

Applying priming coat : With ready mixed red oxide zinc chromate primer of approved brand and manufacture on steel galvanised iron/steel works

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

Wall painting with acrylic emulsion paint, having VOC (Volatile Organic Compound ) content less than 50 grams/ litre, of approved brand and manufacture, including applying additional coats wherever required, to achieve even shade and colour. Two coats.

Applying priming coats with primer of approved brand and manufacture, having low VOC (Volatile Organic Compound ) content. With water thinnable cement primer on wall surface having VOC content less than 50 grams/litre.

Providing and fixing double scaffolding system (cup lock type) on the exterior side, up to seven story height made with 40 mm dia M.S. tube 1.5 m 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 inspectionof 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 shall 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.

Repair to plaster of thickness 12mm to 20 mm in patches of area 2.5 sqm and under, including cutting the patch in proper shape, raking out joints and preparing plastering the wall surface with white cement based polymer modified self curing mortar, including disposal of rubbish, all complete as per the direction of Engineer-In- Charge.

Demolishing lime concrete manually/ by mechanical means and disposal of 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.

Demolishing cement concrete manually/ by mechanical means including disposal of material within 50 metres lead as per direction of Engineer - in - charge. Nominal concrete 1:3:6 or richer mix (i/c equivalent design mix)

Extra for cutting reinforcement bars manually/ by mechanical means in R.C.C. or R.B. work (Payment shall be made on the cross sectional area of R.C.C. or R.B. work) as per direction of Engineer in-charge.

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.. In cement mortar

Dismantling C.I. or asbestos rain water pipe with fittings and clamps including stacking the material within 50 metres lead : 100 mm dia pipe

Dismantling C.I. or asbestos rain water pipe with fittings and clamps including stacking the material within 50 metres lead : 150 mm dia pipe

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.

Dismantling aluminium/ Gypsum partitions, doors, windows, fixed glazing and false ceiling including disposal of unserviceable material and stacking of serviceable material with in 50 meters lead as directed by Engineer-in-charge.

Disposal of moorum/building rubbish/ malba/ similar unserviceable, dismantled or waste material by mechanical transport including loading, transporting, unloading to approved municipal dumping ground for lead upto 10 km for all lifts, complete as per directions of Engineer-in-charge. cum 411.30 Note - item to be applicable in urban areas having directions for restricted hours for movement/ plying of load carrying motor vehicle of 3.5 cum or more.

Providing and fixing M.S. holder bat clamp of approved design to sand cast iron/ cast iron (spun) pipes comprising of M.S. flat brackets made of 50x5 mm flat of specified shape, projecting 75 mm outside the wall surface and fixed on wall with 4nos, 6mm dia expansion hold fasteners, including drilling necessary holes in brick wall/ CC/RCC surface and the cost of bolts etc. The pipes shall be fixed to the already fixed brackets with the help of 30 mm x1.6 mm galvanised M.S. flats of specified shape and of total length 420 mm and shall be fixed with M.S. nuts, bolts, & washers of size 25x6 mm, one bolts on each side of the pipe. Total bracket length 580 mm of approved shape and design (for single 100 mm dia pipe).

Providing and fixing gun metal gate valve with C.I. wheel of approved quality (screwed end) : 50 mm nominal bore

Providing and fixing gun metal gate valve with C.I. wheel of approved quality (screwed end) : 80 mm nominal bore

Grading roof for water proofing treatment with Cement concrete 1:2:4 (1 cement : 2 coarse sand : 4 graded stone aggregate 20mm nominal size)

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 25 mm average thickness

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, 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, 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. Wooven PVC cloth

Providing and injecting cementitious grout mixed with Fosroc Cebex 100 (or an approved equivalent) in a proportion recommended by the manufacturer into cracks or honeycombed areas of concrete using a suitable pump at the required pressure, including drilling hole of suitable dia (20mm to 30mm) for fixing of PVC nozzle of 12 mm diameter and fixing PVC nozzles securely with rapid setting morter. the hole & crack should be dust free by blowing compressed air/ in jecting water with pressure, All work is to be performed according to standard practices and the manufacturer's instructions and direction of engineer in charge.

Providing and applying Fosroc Brushbond RFX or approved equivalent waterproofing coating on the terrace, including surface preparation, mixing of components, and application as per the manufacturer’s specifications. The fillings on RCC slab shall be carefully removed to expose the original slab surface. The surface of RCC slab shall be thoroughly cleaned using wire brushes, scrapers, or other appropriate mechanical tools to remove any loose material, dirt, or grime. Then the surface to be cleaned with a high-pressure water jet at a pressure of 2000 to 3000 psi. to make the surface dust-free and well-prepared for coating. Any cracks, honeycombs, or damaged areas on the surface shall be repaired using suitable polymer-modified mortar to make the surface sound and level before proceeding with the waterproofing application. Once the surface is adequately prepared, two coats of Fosroc Brushbond RFX or approved equivalent waterproofing membrane shall be applied using a brush or roller. The second coat shall be applied in a perpendicular direction to the first after the specified drying time. The entire process shall be executed under the supervision of the Engineer-in-Charge and in strict accordance with the manufacturer’s guidelines for optimal waterproofing performance and durability.

Providing, mixing and applying bonding coat of Fosroc Nitobond AR or approved equivallent on chipped portion of RCC as per the manufacturer's specification and direction of Engineer-In-Charge. complete in all respect.

Providing, mixing, and applying Fosroc Renderoc SP40 or approved equivallent for repair of damaged reinforced concrete members with 25 mm average thickness, in accordance with manufacturer’s specifications and as per the direction of Engineer-In-Charge, complete in all respects. The repair mortar, Renderoc SP40, a single-component, polymer-modified, fiber-reinforced, shrinkage-compensated, high-build repair mortar, shall be mixed as per the manufacturer’s instructions.Curing shall be carried out as per manufacturers guideline

Providing, mixing, and placing Fo

sroc Renderoc RG or approved equivallent for repair of damaged reinforced concrete members with 50 mm average thickness, in accordance with manufacturer’s specifications and as per the direction of Engineer-In-Charge, complete in all respects. The repair mortar, Renderoc RG, a single component, cement-based, micro-concrete to which only the site-addition of clean water shall be permitted. The micro-concrete shall contain no metallic aggregates, or chlorides and shall be shrinkagecompensated in the plastic state. The micro concrete in the flowable consistency should achieve a compressive strength of not less than 10N/mm2 after 24 hours at 300C,40N/mm2 after 7 days and 50 N/mm2 after 28 days at 300C . The unrestrained expansion shall be between 1 - 4%. The flexural strength shall not be less than 5 N/mm2 @ 28 days. The microconcrete shall have a coefficient of thermal expansion similar to that of the host concrete. The mixed density of microconcrete shall exceed 2100 kg/m3 at 270C., shall be mixed as per the manufacturer’s instructions.Curing shall be carried out as per manufacturers guideline

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. After that Fosroc Nitozinc Primer or approved equivallent, two component epoxy zincrich primer to be applied on the surface of steel as per the manufacturers specification. Bars upto dia 12 mm

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. After that Fosroc Nitozinc Primer or approved equivallent, two component epoxy zincrich primer to be applied on the surface of steel as per the manufacturers specification. Bars above dia 12 mm

Providing & fixing S unplasticised Rigid PVC SWR pipes conforming to IS : 13592 Type B by cutting, removing, replacing including jointing with seal/rubber ring conforming to IS : 5382 and with solvent cement or rubber lubricant as the case may be.- Pipe of Dia 160 mm

Providing & fixing SWR Fittings confirming to IS:14735 including cutting,replacing,jointing with seal ring conforming to IS :5382 leaving 10 mm gap for thermal expansion. Plain Bend 160 mm dia

Providing & fixing SWR Fittings confirming to IS:14735 including cutting,replacing,jointing with seal ring conforming to IS :5382 leaving 10 mm gap for thermal expansion. Collar 160 mm dia

Providing & fixing SWR Fittings confirming to IS:14735 including cutting,replacing,jointing with seal ring conforming to IS :5382 leaving 10 mm gap for thermal expansion. Shoe 160 mm dia

Providing and fixing UPVC, SCH-80 pipes , including all UPVC plain & brass threaded fittings confirming to ASTM D1785, including fixing the pipe with clamps at 1.00 m spacing. This includes jointing of pipes & fittings with one step UPVC solvent cement and testing of joints complete as per direction of Engineer in Charge. Internal work - Exposed on wall 50 mm nominal dia Pipes

Providing and fixing UPVC, SCH-80 pipes , including all UPVC plain & brass threaded fittings confirming to ASTM D1785, including fixing the pipe with clamps at 1.00 m spacing. This includes jointing of pipes & fittings with one step UPVC solvent cement and testing of joints complete as per direction of Engineer in Charge. Internal work - Exposed on wall 80 mm nominal dia Pipes

Providing and fixing of 3 mm thick, 200 mm width aluminium extrusion on expansion joint ( the extrusion should be of exclusively using for expansion joint) by drilling and fixing stailnless screw on one side and other side will be fixed by SS screw duly slotted for easy movement of joints.

Hire and running of crane 20 tonne capacity at site as per the requirement and direction of engineer in charge.

Providing of Labour at site as per the requirement and direction of engineer in charge.