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| 1 | Removal of existing bitumen felt basedwaterproofing treatment by cutting, cleaningthe exposed surface by thoroughly scrapping / brushing without damaging the roof slab.Disposal of old removed Bitumen felt/APP membrane including wastage of new APP membrane shall be done as per latestguidelines of Central/State Pollution control BoardAuthorities |
| 2 | Providing and laying 3 mm thick polymer modified prefabricated bituminous waterproofing membraneover roofs of buildings as per the technicalspecifications & details given in Scope Of Work. The rate shall include for the following activities :Surface preparation by wire brushes and cleanig to remove all loose particles, dirt, etc. from the roof surface complete.Application of modified bitumenous primer @ 1.00 Ltr. Per 5.00 Sq. M. (on an average basis).Laying of 3 mm thick polymer modified bituminous waterproofing membrane, each strip to have at least 100mm overlapping at longitudinal edges as well as at the ends including installing / fixing bythermofusion by gas torch. Proper sealing ofoverlaps shall be done by thermofusion & hot trowelling, as per direction of Engineer-in-Charge.The rate shall include for erection and removal of staging / scaffolding wherever required complete.Application of bitumenous aluminium paint @ 0.10 Ltr./ Sq.M. (one or more coats).Note : Measurements shall be taken for finished area only. |
| 3 | Providing and applying a coat of cold applied bitumenofapproved quality,@1.45 Kg./Sq.M. and providing &applying one coat of bitumen based silver shield paint@ 0.10 Ltr./Sq.M. of area over existing waterproofing treatment or onbare roof including surface preparation, cleaning of existing surfaces by brushing/mopping and removing dust/ loose particles,cutting and sealing the balooning in thetreatment wherever required and also the disposal of debris to dump area in NFL complex complete as per directions of EIC. |
| 4 | Providing and applying two neat coats of elastomeric, acrylic water proof exterior coating as per manufacturers specifications with \"Dr. Fixit Rain coat\" of PidiliteIndustries or equivalent, over one coat of primer with Dr.Fixit prime seal or equivalent approved primer as per manufacturers specification or directions of EngineerIn-charge.(work includes filling of cracks of width upto 1 mm with approved sealant) |
| 5 | Providing and fixing PVC perforated nipples including drilling , fixing properly with suitable cement mortar and injecting cement slurry into the nipples as per directions of engineer Incharge with making approach whereever required . (Cement required for injecting in the form of cement slurry shall be issued free of cost from NFL). |
| 6 | Preparing surfaces of masonry and applying cement plaster 1:6 (1 cement: 6 fine sand)using water proofing equivalent approved compound from any other approvedmanufecturer suitable for mixing in cement.a)15 mm thick. |
| 7 | Preparing surfaces and applying cement plaster 1:3 (1cement: 3 fine sand) 6mm thick on ceiling/RCCshelves/R.C.C. surfaces etc. |
| 8 | Roof grading at all heights with cement concrete1:2:4 ( 1 Cement : 2 Coarse sand : 4 stone aggregate 12.5/10 mm and down size) for laying water proofing treatment onroofs, with coarse sand(Karera sand) including mixing of approvedAntishrikage compound and water proofing compound from M/s Pidilite or equivalent approved compound from any other approved manufacturer, suitable for mixing in cement complete. |
| 9 | Providing & applying acrylic copolymer bond coat (one coat) of approved manufacturer . The item also includes making appraoches by providing& fixing necessary scaffolding etc. for carrying out the job. |
| 10 | Providing and fixing locally available good quality MS wire chicken mesh with MS nails wherever required complete as per directions of Engineer Incharge. |
| 11 | Dismantling of old plaster or skirting, raking out joints and cleaning the surfacesfor fresh plaster work including disposal of rubbish to dumping groundin NFL premises as directed by Engineer-in-Charge. |
| 12 | Dismantling tile work (Cement / Ceramic / Glazed) in floors and roofs/dados in cement mortar including stacking of serviceable materials and disposal ofrubbish to the dumping area as per directions of EIC. |
| 13 | Demolishing plain cement/LIME concretework including disposal of material within 50 mtrs. lead. |
| 14 | Removing small plants grown on buildings (on walls, Chhajjas etc.), by cutting the brick work/RCC for uprooting of the plants and makinggood the same as perdirections of Engineer Incharge, including making approach (Plaster/concrete used for filling the cavity shall be paid separately). |
