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| 1 | Dismantling old weather proofing materialssuch as brick bat coba/ Surki with lime concrete or foam and screedconcrete with old bitumen felt / APP membrane sheets bymanually/ by mechanical means at terrace and cleaning the surface including disposal within 50 metres lead and as per direction of Engineer-in-charge. |
| 2 | Demolishing plain cement concrete manually/ by mechanical means including disposal of material within 50 metres lead as per direction of Engineer - in – charge. |
| 3 | 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. |
| 4 | Providing, supplying, cutting, bending to shape,welding, fabricating, hoisting, placing and fixing in position structural steel members like trusses, purlins etc. usingMS hollow / circular / square / rectangular tubular sections including chamfering and rounding off the edges, applying a coat of Red lead paint primer/ Zinc chromate primer of approved make and 2 coats of flat oil paint / synthetic enamel paint of approved colour and make, scaffolding and staging required for fabrication as well as erection completeat all levels and allas per specifications, drawings and as directed by the Engineer-in-charge.Note:Lifting device arrangements if any required also arranged by the contractor at his own cost. |
| 5 | Providing and fixing \"Sandwich\" puf roofing sheets of approved manufacturers made out of 0.47mm thick colour coated Galvalume AZ-150, 550mpa colour coated RAL 9002 on top, 0.35mm thick AZ-70, 350mpa color coated Galvalume RAL 9003 liner with centre core made with 50mm thick Polyuerthane of Density 38kg/Cum to the required size as per the site condition (Approximately 1.0m width and 7.0m long) necessary over lappings, driven screws, labour for fixing in position transportation etc, including scaffolding providing necessary flashing by folding bottom sheet to cover the puf portion at the exposed edges/ends et., and side faces of extreme end sheets etc., trimming, cutting to profile foam fillers all complete as directed by the Engineer-in-charge and as per manufacturer specification.Note: Only laid area without overlapping will be measured for payment. |
| 6 | Providing and fixing roofing sheet, cladding with 0.47mm thick colour coated concelled system profile corrugated/semi corrugated/plain zincalume sheets of 55mpa yield stress (AS 1397 – Zincalume AZ 150) with coating class AS/NZS 2728 (minimum 150 grams per relevant standard) having a total coating thickness of 35 micron.The sheet should be rolled over specially designed concealed fixing clip manufactured from hi-tensile Aluminium Zinc alloy Zincalumen steel based and galvanized hooks.The clip should be fastened with minimum 40micron Zinc coated / minium 25micron Zinc-Tin alloy coated.The rate isinclusive ofscaffolding, all fixtures required for fixing the side roof, cladding on all sides, ridges etc. complete all as per specification and as directed by the Engineer-in-Charge. |
| 7 | Removal ofweather proofing old bitumen felt or APP membrane sheets from wall at all levels and cleaning the surface includingdisposal within 50 metres lead and as per direction of Engineer-in-charge. |
| 8 | Providing and constructing brick work with clay flyash F.P.S. (non modular) brick of class designation 7.5 in superstructure above plinth level up to floor five level in :Cement mortar 1:6 (1 cement : 6 coarse sand) including suitable scoffolding and racking out joints etc. |
| 9 | Providing and laying rein.focement cement concrete in expansion joint at terrace level excluding the cost of centering, shuttering and finishing: (a) 1:2:4 (1 Cement : 2 coarse sand (zone-III) : 4 graded stone aggregate 20 mm nominal size) |
| 10 | Centering and shuttering including strutting, propping etc. and removal of form work for expansion joint wall at terrace level etc, and complete allasper specification and as directed by theEngineer. |
| 11 | Providing and fixing in position 50mm thick Thermocole board heavy density minimum 18.00 Kg/Cu.m weight wrapped in 200micron thickness polythene sheets and placing expansion joint works complete all as per specifications, drawings & as directed by the Engineer-in-charge. |
| 12 | Providing steel reinforcement for R.C.C. work including binding wire, cover block, straightening, cutting, bending, placing in position and binding all complete at all levels. (a) Thermo-Mechanically Treated bars of grade Fe- 500D or more |
| 13 | Dismantling and removal of old plaster and cleaning the surface for plaster including scaffloldingdisposal of rubbish to the dumping ground within 50 metres lead and complete allasper specification and as directed by theEngineer. |
| 14 | Disposal of building rubbish / malba / similar unserviceable, dismantled or waste materials by mechanical means, including loading, transporting, unloading to approved municipal dumping ground as approved by Engineer-in-charge, beyond 50 m initial lead, for all leads including all lifts involved. |
| 15 | Pressure Grouting:- • The leakage places shall be identified by filling water in terrace by ponding method and marked.• Holes shall be drilled along the joints or cracks or leakage below the ceiling.• G.I/suitable nipple shall be fixed into the drill holes and tightened and fixed using CERA PLUGor approved equivalent and cured for a day.• The spacing between the nipple 1m c/c or as required at site along the construction joints and cracks. For honeycombs the packers shall be fixed locally.• After fixing the nipples, Pressure grouting using cement slurry admixed with expanding grouting additive CERA EXPAN 250 or approved equivalent @ dosage of 225 gms / bag of cement.• The treated area shall be observed for a day.• The process shall be repeated if the leakage points shift to other Locations.The whole terrace so finished shall be flooded with water for a minimum period of 48 hours for curing and for final test.“All above operations to be done in order and the rate inclusive of all required materials, staging, labour, tools and tackles etc, all complete and as directed and specified by the Engineer-in-Charge : |
| 16 | PU INJECTION GROUTING1. Holes of 10mm dia shall be drilled on the leakage/damp spot in theCeiling of the R.C slab using a portable Electric drill and a non-return ball valve packer shall be fixed in the holes.2. Supplying and injecting PU based foam injection grout MEYCO MP355 1K or approved equivalent brand– through the above fixed packers using a High-pressure one componentResin Injection pump until point of refusal. In case dripping of resin isobserved through the packer hole, then the same shall be temporarilyplugged with Masterseal 505 – Instant plugging compound. Note: Whilst werecommend the simultaneous injection of Acrylate Resin Masterflex 810 tostabilize the leak zone, this additional process would involve the fixing of anadditional packer alongside the one fixed as in (1) above and the Acrylateresin Masterflex 810 shall be grouted with the same pump but after 24hours of injecting Meyco MP355 1K.\" |
| 17 | Providing and laying integral cement based water proofing treatment including preparation of surface as required for treatment of roofs, balconies, terraces etc consisting of following operations:(a) Applying a slurry coat of neat cement using 2.75 kg/sqm of cement admixed with water proofing compound conforming to IS. 2645 over the RCC slab including adjoining walls upto 300 mm height including cleaning the surface before treatment.(b) Providing and laying in position of Non-structural Light weight concrete - Xlite of M/s.Nuvoco brand or approved equivalent with 1200 kg/cum (Dry density) using Expanded Polystyrene beeds (EPS) in terrace over lay complete at all levels as per the direction of Engineer- in -charge. (minimum cementitious content 350 kg/ cum including fly ash).(c) After two days of proper curing applying a second coat of cement slurry using 2.75 kg/ sqm of cement admixed with water proofing compound conforming to IS : 2645 and approved by Engineer-in-charge.(d) Finishing the surface with 20 mm thick jointless cement mortar of mix 1:4 (1 cement :4 coarse sand) admixed with water proofing compound conforming to IS : 2645 and approved by Engineer-in-charge including laying glass fibre cloth of approved quality in top layer of plaster and finally finishing the surface with trowel with neat cement slurry and making pattern of 300x300 mm square 3 mm deep.(e) The whole terrace so finished shall be flooded with water for a minimum period of two weeks for curing and for final test.“All above operations to be done in order and as directed and specified by the Engineer-in-Charge.f) With average thickness of 100mm and minimum thickness at khurra as 65mm and allasper specification and as directed by theEngineer in charge. |
| 18 | Providing, mixing and applying bonding coat of approved adhesive on chipped portion of RCC or brick work including scafflodingas 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 |
| 19 | Re plastering of thickness20 mm .With cement mortar 1:4 (1 cement : 4 fine sand) in patches of wall, ceiling and beam including scaffolding, and preparing the plastering surface and all complete as per direction of the Engineer-in-Charge |
| 20 | Providing and fixing on wall face unplasticised Rigid PVC 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. External work PVC SWRpipe 110mm outer dia |
| 21 | 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 ring conforming to IS : 5382, leaving 10 mm gap for thermal expansion. a) Door Bend 87.5°110 mm bend |
| 22 | 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 ring conforming to IS : 5382, leaving 10 mm gap for thermal expansion. a) Shoe (Plain) 110 mm Shoe |
| 23 | a) Ceiling Repair Work:Chipping and removing the loose concrete till the sound free surface is reached.b) The reinforcement shall be cleaned off thoroughly with wire brush to remove rust and applying one coats of corrosion protection treatment of CERA ZINC ZR Primer or approved equivalent brand as per the manufacturer specification. Drilling and fixing holes anchoring the rods with Polyester resin based anchor grout CERA ANCHORSET or approved equivalent brand .c) Fixing weld mesh and applying Epoxy bonding agent CERA BOND EPor approved equivalent brand over the chipped area for receiving polymer modified mortar using 1:2:2 (1 cement : 2 sand : 2 stone Aggregate of nominal size 6mm) admixed with CERA LATEX SBRor approved equivalent brandadditive @ 3 kg per bag of cement for a thickness of 50mm.d) The above area shall be plastered using CM 1:4 admixed with polymer modified mortar CERA LATEX SBRor approved equivalent brand@ 1kg per bag of cement to a thickness of 20mm including labour, material, tools & tackles etc complete allasper specification and as directed by theEngineer in charge. Note : Reinforcement will be paid in separate item. |
