Miscellaneous Repair, Maintenance and Water Proofing work at Rajasthan High Court , Jodhpur

Providing and applying integral crystalline slurry of hydrophilic in nature for waterproofing treatment to the RCC structures like retaining walls of the basement, water tanks, roof slabs, podiums, reservior, sewage & water treatment plant, tunnels / subway and bridge deck etc., prepared by mixing in the ratio of 5 : 2 (5 parts integral crystalline slurry : 2 parts water) for vertical surfaces and 3 : 1 (3 parts integral crystalline slurry : 1 part water) for horizontal surfaces and applying the same from negative (internal) side with the help of synthetic fiber brush. The material shall meet the requirements as specified inACI-212-3R-2010 i.e by reducing permeability of concrete by more than 90% compared with control concrete as per DIN 1048 and resistant to 16 bar hydrostatic pressure on negative side. The crystalline slurry shall be capable of self-healing of cracks up to a width of 0.50 mm. The work shall be carried out all complete as per specification and the direction of the engineer-in-charge. The product performance shall carry guarantee for 10 years against any leakage. (Mixing ratio for Penetron Slurry coat :- 2 parts water to 5 parts penetron powder (by volume). Mix as much as material can be consumed within 20 minutes). Penetron is mixed with clean water to a creamy consistency or that resembling thick oil).

For horizontal surface one coat @1.10 kg per sqm.

Providing and applying crystalline mortar by mixing in the ratio of 4.5 : 1 (4.5 parts crystalline mortar : 1 part water) for the treatment of faulty construction joints, cracks, tie rod holes and spalled & honeycombed surface of RCC underground structures like basement, water tanks, bridge deck etc. to ensure water tightness. The crystallie mortar shall conform to the EN 15043 having compressive strength Class R4 ≥45 MPa and adhesive bond strength Class R3 ≥1.5 MPa. The work shall be carried out all complete as per specification and the direction of the engineer-in-charge. The product performance shall carry guarantee for 10 years against any leakage.

For sealing cracks and faulty construction joints, routed out/ making U-shape groove size 25x25 mm and then primed the area with integral crystalline slurry @0.05 kg/running metre and while the surface is tacky filled the groove upto surface with crystalline mortar @1.50 kg/running metre. Once crystalline mortar is touch dry then finally applied two coats of integral crystalline slurry @0.05 kg/running metre per coat

For patching of tie rod holes, prepared tie rod hole surface and then primed the area with integral crystalline slurry @0.070 kg/sqm and while the surface is tacky repair and then filled the tie rod holes with crystalline [email protected] per hole. The crystalline mortar should be tightly rodded into tie rod holes or packed tightly (For 25x25x25 mm tie rod hole, use 0.040 kg to fill the hole)

Providing and applying Crystal Growth Technology based curing free ready mix plaster with 1:3 cement sand ratio to be applied on new surface of walls/ceilings. The ready mix mortar shall be factory produced, pre-blended, and supplied in dry form, requiring only the addition of water at the site before application. The material shall have self curing and non shrinkage properties, eliminating the need for post application water curing. Work includes surface preparation, racking of joints, scaffolding and finishing in accordance with standard specifications and as per direction of Engineer-in-Charge. 12 mm thick

Providing and applying white cement based putty over plastered surface to prepare the surface even and smooth complete New Plastered Surface (three or more coats)

Finishing walls with textured exterior paint of required shade as per approved colour complete as per manufacturers specifications including primer coat and protecting coat including scaffolding and safety provision Trowel Finish av. thickness 2000 to 2500 microns.

Providing and Applying ACRYLIC emulsion polymer waterproofing chemical coating, on over roof on over roof slabs /terrace/ balconies/ parapet wall etc.with following method/ specification: Paint the surface with regular paint brush so as to obtain approximately 0.3mm thickness coating. apply the 2nd coat next day at right angles to the 1st coat so that total thickness of the coating should be approximately 0.6mm coverage by using above formulation will be 40 ft2/ litre of chemical. painted surface does not require any external water curing since chemical will hold sufficient water for curing.After the primer coat Apply 2 coats of modified acrylic emulsion polymer water proofing compound having solar heat reduction properties coating @ 0.330 KG/SQM on the surface of the interval of 3-4 hours. Undulation on the surface is repair before the waterproofing work.

Repair to damaged RCC slabs, beams and columns etc for strengthening with cement mortar 1 : 2 in following steps