Rate Contract for waterproofing in both academic and residential buildings for 12 months period work has to be done in piece meal wherever and whenever required throughout the period of agreement at NIT Warangal.

Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - All work up to plinth level : 1:1½:3 (1 Cement: 1½ coarse sand (zone-III) derived from natural sources : 3 graded stone aggregate 20 mm nominal size derived from natural sources)

Providing and laying Ceramic glazed floor tiles of size 300x300 mm(thickness to be specified by the manufacturer) of 1st quality conformingto IS : 15622 of approved make in colours such as White, Ivory, Grey,Fume Red Brown, laid on 20 mm thick cement mortar 1:4 (1 Cement : 4 Coarse sand), Jointing with grey cement slurry @ 3.3 kg/sqm including pointing the joints with epoxy grout (to be paid seperately) etc., complete

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 propershape,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)

Demolishing cement concrete manually/ by mechanical means including disposal of material within 50 metres lead as per direction of Engineer - in - charge. Nominal concrete 1:3:6 or richer mix (i/c equivalent design mix)

Demolishing dry brick pitching in floors, drains etc. including stacking of serviceable material and disposal of unserviceable material within 50 metres lead :

Dismantling tile work in floors and roofs laid in cement mortar including stacking material within 50 metres lead. For thickness of tiles 10 mm to 25 mm.

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.

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.

Supplying and applying Wall Guard (Fosroc / Dr. Fixit / equivalent approved brand) on external walls wherever dampness is observed and as instructed by the Department, including all materials, labour, incidental and operational charges complete, in two coats over one coat of acrylic primer such as Nitoprime AW / Dr. Fixit Primeseal 604 / equivalent approved brand on old external wall surfaces.The operation shall be carried out after proper scraping and cleaning of the surface to remove loose particles using wire brushes. Cracks shall be filled with Nitoseal PU50 / Dr. Fixit PU Sealant / equivalent approved brand as directed by the Engineer-in-Charge.Procedure to be followed: 1.Surface Preparation: Surface shall be prepared by mechanical grinding to remove all loose mortar, laitance, oil, grease, decayed matter and algae growth. 2.Filling of Cracks: Identify cracks on the walls and chase them open in the form of grooves. Cutting of cracks shall be done to a size of 5 mm × 5 mm or as required. Fill the grooves properly with Nitoseal PU50 / Dr. Fixit PU Sealant / equivalent approved brand. 3.Priming Coat: The prepared surface shall be applied with one coat of acrylic primer such as Nitoprime AW / Dr. Fixit Primeseal / equivalent approved brand prior to application of Wall Guard coating. The primer coat shall be air cured for 6 hours. 4.Wall Guard Application: Apply Wall Guard coating (Fosroc / Dr. Fixit / equivalent approved brand) in two coats at a minimum dry film thickness (DFT) of 110 microns per coat with a minimum consumption of 0.30–0.40 L/m². Each coat shall be air cured for 6 hours before application of the subsequent coat. (GST applicable as per DSR-2023).Note: The above work shall be carried out with the help of trained and skilled labour strictly as per manufacturer specifications.

Supplying and applying acrylic polymer modified elastomeric fibre reinforced waterproofing coating (Fosroc / Dr. Fixit / equivalent approved brand) in three coats with a total thickness of 1 mm DFT over one coat of acrylic primer such as Nitoproof WB / Dr. Fixit Primeseal 604 or equivalent approved brand on the roof surface, including all materials, labour, incidental and operational charges complete. The work shall be carried out after proper surface preparation by scrapping and cleaning the surface thoroughly to remove loose particles using wire brushes. Cracks shall be filled with Nitoseal PU50 / Dr. Fixit PU Sealant / equivalent approved brand as directed by the Engineer-in-Charge. 1. Surface Preparation: Surface shall be prepared by mechanical grinding to remove all loose mortar, laitance, oil, grease, decayed matter and algae growth. 2. Filling of Cracks: Identify cracks on the surface and chase them open in the form of grooves. Cutting of cracks shall be done to a size of 5 mm × 5 mm or as required. Fill the grooves properly with Nitoseal PU50 / Dr. Fixit PU Sealant / equivalent approved brand. 3. Priming Coat: The prepared surface shall be applied with one coat of acrylic primer such as Nitoproof WB / Dr. Fixit Primeseal 604 / equivalent approved brand prior to application of waterproof coating. The primer coat shall be air cured for 6 hours. 4. Waterproof Coating Application: Apply acrylic elastomeric waterproof coating (Fosroc / Dr. Fixit / equivalent approved brand) at a thickness of 1 mm DFT in three coats with minimum consumption of 1.2–1.5 kg/m². Each coat shall be air cured for 6 hours before application of the subsequent coat.(GST applicable as per DSR-2023).Note: The above work shall be carried out with the help of trained and skilled labour strictly as per manufacturer specifications.