Providing water proofing treatment in Deputy Commissioner Residence I Gurugram Distt.

Amount

Providing and applying waterproofing treatment using two component 100% solid content, sqm hybrid polyurea/polyurethane, rapid curing and highly resHient fully bonded cured to membrane having a mixed density of 1.02g/l. Minimum recommended coverage rate is 1.5Hr/sqm in 2 coats to achieve a total DFT of 1.5mm. cured membrane shall exhibit: 1) Tensile strength ASTM D412: >13 MPa, 2)Tear Resistance ASTM D624C : 50 N/mm2, 3) Shore A Hardness: BO, 4)Elongation ASTM D412 : >450%, (5) 1kg, CS 1Dwheels,ASTM D 4060): 1.3 mg/1000 cycles 6) Service temperature: -20"C to +BO"C, (7) Resistant to Fire (EN13501-1)-Class E,dO Manufacturers shall provide Certificate for Zero voe, resistance to fire, 25 years life expectancy test certificate before the start of work. System indudes supply , application and termination of coating all complete as per the manufacturer methodology. Clean the RCC slab/screed surface & wall for treatment by removing dust, dirt and layers of concrete over the surface. etc. by mechanical tools and wire brushing. Pressure grouting at construction joints or honeycombs with non shrink cementations grout by mixing shrinkage compensating admixture per bag of cement as per manufacturer's recommendations. Prepare a side gola of 50X50 mm at the junction using polymer modified mortar. Providing and applying two component 100% solid content, hybrid polyurea/polyurethane membrane at coverage rate of 1.51tr/sqm in 2 coats to achieve a total DFT of 1.5mm. It must be applied utilizing plural heated high-pressure spray proportioning machine/spray gun . Termination shall be done 300 mm above FFI by providing a groove cut of 30mm x 30mm & seal it with shrinkage compensated polymer modified mortar. Lay a 150 GSM geotextile layer to protect the coating from external damage on final coating before laying of screed concrete/final finish. It shall be applied as per manufactures specification. Rates are incl of surface preparation, grouting and chemical application only. (Rates for geotextile, protection plaster and final finishes such as screed or Brick bat filling for slope, china mosaic, tiles etc is not included in above item. It will be added as per EiC/clients requirements) (HSR; 28.7) Note 1 :-In case of any difference in the unit & nomenclature of any of the HSR/DSR items of civil,PH work depicted in this DNIT and that given in HSR,the unit and nomenclature given in HSR shall be applicable. 2. Only reputed make material will be used (Make/brand exhibited in HSR/DSR and exhibited in approved standard documents) as approved by the Engineer-in-charge,while executing various items/work at site. 3. The agency to whom the work is allotted have to produce original bill/ voucher for all qty in taken of proof of Purchase of material

Rohit Kumar

AMAN ATTRI