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| 1 | Item Description/ Heading ( Estimate based on CPWD SOR 2018) |
| 2 | 12 mm cement plaster of mix : 1:4 (1 cement: 4 fine sand) |
| 3 | 12 mm thick plain cement mortar bands in cement mortar 1:4 (1cement : 4 fine sand):Raised Band |
| 4 | Extra for providing and mixing water proofing material in cement plaster work in proportion recommended by the manufacturers. |
| 5 | Reinforced cement concrete work in beams, suspended floors, roofs having slope upto 15° landings, balconies, shelves, chajjas, lintels, bands, plain window sills, staircases and spiral stair cases upto floor five level excluding the cost of centring, shuttering, finishing and reinforcement with 1:1.5:3 (1 cement : 1.5 coarse sand : 3 graded stone aggregate 20 mm nominal size). |
| 6 | 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. |
| 7 | Centring and shuttering including strutting, propping etc. and remova of form for:Lintels, beams, plinth beams, girders, bressumers and cantilevers. |
| 8 | Centering and shuttering including strutting, propping etc. and removal of form for :Weather shade, Chajjas, corbels etc., including edges |
| 9 | Grading roof for water proofing treatment with Cement mortar 1:4 (1 cement : 4 coarse sand) |
| 10 | Providing and laying water proofing treatment on roofs of slabs by applying cement slurry mixed with water proofing cement compound consisting of applying:(a) after surface preparation, first layer of slurry of cement @ 0.488kg/sqm mixed with water proofing cement compound @ 0.253kg/sqm.(b) laying second layer of Fibre glass cloth when the first layer is still green. Overlaps of joints of fibre cloth should not be less than 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 will be allowed to air cure for 4 hours followed by water curing for 48hours. The entire treatment will be taken upto 30 cm on parapet 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.(For the purpose of measurement the entire treated surface will be measured.) |
| 11 | Grading roof for water proofing treatment with cement concrete 1:2:4(1cement : 2 coarse sand : graded stone aggregate 20mm nominal size) |
| 12 | Dismantling tile work in floors and roofs laid in cement mortar including stacking material within 50 metre lead.For thickness of tiles above 10 mm and upto 25 mm |
| 13 | 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. |
| 14 | Chipping of unsound/weak concrete material from slabs, beams, columns etc. with manual Chisel and/ or by standard power driven percussion type orof approved makeincluding 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. |
| 15 | 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.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. |
| 16 | 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 directionof Engineer-In-Charge. |
| 17 | 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 / tappingwith 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).12 mm average thickness. |
| 18 | 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. |
| 19 | 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. |
| 20 | Finishing walls with Premium Acrylic Smooth exterior paint with Silicone additives of required shade:New work (Two or more coats applied @ 1.43 ltr/10 sqm over and including priming coat of exterior primer applied @ 2.20 kg/10 sqm) |
| 21 | 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.Stirrer mixed SBR Polymer (of approved make) modified Cement slurry made with Shrinkage Compensating Cement in concrete/RCC work. |
| 22 | Providing and inserting 12mm dia galvanised steel injection nipple in honey comb area and along crack line including drilling of holes of required diametre (20mm to 30mm) up to depth from 30mm to 80mm at required spacing and making the hole & crack dust free by blowing compressed air, sealing the distance between injection nipple with adhesive chemical of approved make and allow it to cure complete as per direction of Engineer-In-Charge. |
| 23 | Providing and laying water proofing treatment in sunken portion of WCs, bathroom etc.,byapplyingcementslurrymixedwith waterproofingcementcompound consisting of applying : (a) First layer of slurry of cement @ 0.488 kg/sqm mixed with water proofing cement compound @ 0.253 kg/sqm. This layer will be allowed to air cure for 4 hours (b) Second layer of slurry of cement @ 0.242 kg/sqm mixed with water proofing cement compound @ 0.126 kg/sqm. This layer will be allowed to air cure for 4 hours followed with water curing for 48 hours. The rate includes preparation of surface, treatment and sealing of all joints, corners, junctions of pipes and masonry with polymer mixed slurry. |
| 24 | 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.With cement mortar 1:4 (1 cement : 4 fine sand) |
| 25 | Distempering with 1st quality acrylic distember (Ready mix) having VOC content less than 50 grams/ litreof approved brand and manufacture to give an even shade : Old work (one or more coats). |
| 26 | Wall painting with plastic emulsion paint of approved brand and manufacture to give an even shade :One or more coats on old work. |
| 27 | Applying one coat of water thinable cement primerof approved brand and manufacture on wall surface:water thinable cement primer. |
| 28 | Chequerred precast cement concrete tiles 22 mm thick in footpath &courtyard, jointed with neat cement slurry mixed with pigment to match the shade of tiles, including rubbing and cleaning etc. complete, on 20mm thick bed of cement mortar 1:4 (1 cement: 4 coarse sand).Medium shade pigment using 50% white cement 50%Grey cement |
| 29 | welding of new reinforcement rods with existing old reinforcement of RCC Structure by Electric welding wherever required as per instruction of Engineer -in - charge. |
| 30 | Removal of old tarfelt/APP over roof top |
| 31 | Total impact of GST for the purpose of CTC |
