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| 1 | 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 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. |
| 2 | 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 |
| 3 | Providing and inserting 12 mm dia galvanised steel injection nipple in honey comb area and along crack line including drilling of holes of requirediametre (20 mm to 30 mm) up to depth from 30 mm to 80 mm 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. |
| 4 | 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 approvedgrout injected.) (a) Epoxy injection grout in concrete/RCC work of approved make |
| 5 | Dismantling old plaster or skirting raking out joints and cleaning the surface for plaster including disposal of rubbish to the dumping groundwithin 50 metres lead. |
| 6 | 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) modifiedcementitious bond coat @ 2.2 kg cement per sqm of surface area mixed with specified proportion of approved polymer |
| 7 | 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 75 mm 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. |
| 8 | Providing shear anchor of 10mm dia and 100mm long of high strength hybrid woven fiber glass fabric mesh with filling of hole with TYFO EPOXY/NCase,removing/drawing out of the entrapped air etc. from the drilled hole all complete as per manufacturer’s specifications and directions of the Engineerin Charge. It shall include labor for mixing EPOXY resin, saturating the anchor with EPOXY, drilling the RCC members and inserting the saturated anchor inside the drilled hole and as per direction of Engineer-in-charge. |
| 9 | 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. |
| 10 | Centering and shuttering including strutting, propping etc. and removal of form for A) Walls (any thickness) including attached pilasters, butteresses, plinth and string courses etc. |
| 11 | providing and placing in position Micro -concrete, shall be cement based single component , chloride free , non shrink, free flow , self compacting , ready to use after mixing water in specified proportion obtained from approved manufacturer as per specification and direction of Engineer -In charge. (payment under this item shall be made only after proper wetcuring has been done and surface has been satisfactorilyevaluatedby sounding /tapping with a blunt metal instruments ) Grade M25 as per direction of engineer -in -Incharge . (Micro concrete used to have a minimum solid polymer content of 6% by weight of cement for all heights) |
| 12 | Preparation of surface for waterproofing shall be cleaned properly by mechanical / manual means, surface should be free from dirt, contaminant loose particles and oil and all cracks shall be repaired before waterproofing process all complete as per direction of engineer-in-charge. |
| 13 | Providing and appying waterproofing treatment on roof / terrace with Sika Cool Coat (White orGrey) or equivalent including the preparation of surface with following steps.(surfacepreparation will be paid seperately)(a) Applying priming coat with Sika Cool Coat primer or equivalent @ 250 gm/m².(b) Laying 2nd layer of fibreglass cloth of approved manufacturer just after when priming coat is green.(c) Applying 2 coats of Sika Cool Coat or equivalent @ 750 gm/m² per coat i.e. 1.50 kg/m² forboth coats followed by top coat of Sika cool coat primer or equivalent @ 0.065 kg/m² and thegap between two consecutive coats shall be atleast 6 to 8 hours.Note: The treatment shall be taken upto 30cm on parapet wall and the treated surface shall beflooded for 7 days contineously |
| 14 | Dismantling of existing wooden flooring including supporting runners etc complete in all respect as per direction of engineer-in-charge. |
| 15 | Excavating, supplying, stacking and filling of local earth (including royalty) by mechanical transport upto a lead of 5km also including ramming and watering of the earth in layers not exceeding 20 cm in foundation trenches, plinth, sides of foundation etc. complete for all lift. |
| 16 | Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - All work up to plinth 1:5:10 (1 cement : 5 coarse sand (zone-lll) derived from natural sources : 10 graded stone aggregate 40 mm nominal size derived from natural sources) |
| 17 | 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 1:4 (1 cement : 4 coarse sand) |
| 18 | Making plinth protection 50 mm thick of cement concrete 1:3:6 (1 cement : 3 coarse sand (zone-lll) derived from natural sources : 6 graded stone aggregate 20 mm nominal size derived from natural sources) over 75 mm thick bed of dry brick ballast 40 mm nominal size, well rammed and consolidated and grouted with fine sand, including necessary excavation, levelling & dressing & finishing the top smooth. |
| 19 | Providing and laying flamed finish Granite stone flooring in required design and patterns, in linear as well as curvilinear portions of the building all complete as per the architectural drawings with 18 mm thick stone slab over 20 mm (average) thick bse of cement mortar 1:4 (1 cement : 4 coarse sand) laid and jointed with cement slurry and pointing with white cement slurry admixed with pigment of matching shade including rubbing, curing and polishing etc. all complete as specified and as directed by the Engineer-in-Charge : Flamed finish granite stone slab Jet Black, Cherry Red, Elite Brown, Cat Eye or equivalent. |
| 20 | Providing and applying water based concrete curing compound to concrete surface as per specification and direction of Engineer-in-charge (1 ltd. Cover 5 sqm) (Fosroc/ Antisol/Sika or equivalent) including carriage of materials in all leads and lifts. |
| 21 | 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.A) 110 mm diameter |
| 22 | Providing and applying plaster of paris putty of 2 mm thickness over plastered surface to prepare the surface even and smooth complete. |
| 23 | Wall painting with premium acrylic emulsion paint of interior grade, 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. a) two coats |
| 24 | 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. A) One coat |
| 25 | Filling the gap in between aluminium frame & adjacent RCC/ Brick/ Stone work by providing weather silicon sealant over backer rod of approved quality as per architectural drawings and direction of Engineer-in-charge complete.a)Upto 5 mm depth and 5 mm width |
| 26 | Providing and fixing self-adhesive, modified bituminous Sika® Multiseal T-tape or equivalent, laminated with aluminium film upper side of thickness 1.5mm, 100mm in width and having tensile strength >200N/50mm on all joints etc complete as per direction of Engineer in Charge |
| 27 | Taking out existing CC interlocking paver blocks from footpath/ central verge, including removal of rubbish etc., disposal of unserviceable material to the dumping ground, for which payment shall be made separately and stacking of serviceable material within 50 metre lead as per direction of Engineer-in-Charge. |
| 28 | Laying old cement cocrete interlocking paver blocks of any design/ shape laid in required line, level, curvature, colour and pattern over and including 50 mm thick compacted bed of coarse sand, filling the joints with fine sand etc. all complete as per the direction of Engineer-in-charge. (Old CC paver blocks shall be supplied by the department free of cost). |
| 29 | Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - All work up to plinth level : 1:2:4 (1 cement : 2 coarse sand (zone-lll) derived from natural sources : 4 graded stone aggregate 20 mm nominal size derived from natural sources) |
| 30 | Providing of hire mobile access platform stairway (MAPSN170) adjustable height upto 18m, for working at all heightincluidng all operation manpower, accessories etc i/cransportation charges from workshop to site and site to workshop complete as per direction of Engineer-in-charge. |
| 31 | Cleaning of chocked sewer line by diesel running vehicle mounting hydraulic operated high pressure suction cum jetting sewer cleaning machine fitted with pump having 4000 litres suction capacity and 6000 litres water jetting tank capacity including skilled operator, supervising engineer etc. for cleaning and partial desilting of manholes and dechocking of sewer lines. Dechocking and flushing of sewer line from one manhole to another by high pressure jetting system of 2200 PSI for sewer line from 150 mm dia upto 300 mm |
| 32 | 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 |
| 33 | Less modified GST factor on DSR 2023 @ 0.027 |
