Providing & laying waterproofing to the damaged expansion & construction joints using various construction chemicals at NDCT 1 at 2 x250 MW BLTPS.

Providing & Laying waterproofing to the expansion & construction joints using various construction chemicals i.e. BUTABOND SBR , PU primer, PU sealant,& MICROCONE 100PT, on expansion & construction joints to make the joints complete water proof to prevent seepages & leakages.

Providing and fixing nozzles by drill bit of minimum 150mm to 200mm depth and fixing self-expanding steel packers with non-returnable valve assembly of 10mm dia. at critical location and at the damaged weak point of RCC. Providing polyurethane low viscous pressure grouting by using approved quality material like sika, Xypex, cico, fosrock, redwop or BASF make, pressure grouting shall be done with heavy pressure pump by injecting the PU material in sealed packers for arresting the leakages seepage water by PU injection gun at grouting pressure range minimum about 25 Kg/cm2, injecting till the refusal by allowing properties etc. The work includes all tools, tackles, scaffoldings, labours, risks, safety precautions etc. completed as directed by E.I.C.