Urgent waterproofing and repairs of RCC emulsifier tank at 220 KV Xeldem sub station

Dismantling the tile work in floors and roofs laid in cement including stacking of materials within 50 meters lead for thickness of tiles 10mm to 25mm.

Dismantling asbestos sheet roofing including ridges, hips valley and gutters and stacking the material within 50 meters lead.

Dewatering the trenches and bailing out water including removal of slush, mud etc. for any depth and disposal of pumped mud, water, slush to suitable point not forming circuit of return of pumped water to the very trench, by employing diesel generated pump

Drilling holes of specified dia., fixing it with PVC nozzles, sealing the diaphragm with Epoxy Sealant, EPCO-1010, allow it air cure for minimum 8 hours, cutting nozzles after grouting and sealing it with EPCO-1010 etc. complete as directed. Injecting low viscous high molecular weight polymer, MONOPOL with pressure created by compressor and epoxy injector with accessories. The pressure shall be not exceeding 3-4 kg/cm2 . Grouting to be done in cracks till the nozzle refuses to accept the grout or it flows from the adjacent nozzles etc. complete. incl. cost of scaffolding transport etc. as per dir of EIC. All the chemicals will be of Krishna Conchem Products Pvt. Ltd. or Equivalent.

Dismantling old plaster or skirting raking out joints and cleaning the surface for plaster including disposal of rubbish to the dumping ground within 50 mts. lead.

20mm cement plaster 1: 4 (1 cement : 4 coarse sand)

Providing & mixing SUPERCON-333 in external plaster as plasticizer for workability improvement & to make the plaster denser while reducing the water cement ratio, at 200gms per bag of cement. To be used in plaster externally to concrete stone or brick surfaces using approved screened sand including preparing the base, watering and applying incl. cost of transport etc. as per dir of EIC. This does not include the cost of plaster material & plastering labourAll the chemicals will be ofKrishna Conchem Products Pvt. Ltd. or Equivalent.

An elastomeric, cementitious, waterproof coating for concrete and masonry. Providing and applying on a well prepared vertical surface Masterseal 550EL of BASF make or equivalent elastomeric flexible, two component polymers modified cementitious composite system that requires no addition of water at the site. The product shall be applied in minimum two coats to achieve total DFT of 1mm. The material shall be mixed and applied fully in accordance with the manufacturer's instructions. The product shall exhibit at least 40% elongation at ambient & 30% elongation in under water condition with tensile strength greater then 20 Kg/cm2. The product shall resist 1.5 bars pressure when tested as per DIN 1048 at 2mm DFT. When applied at 2mm DFT, elastomeric coating shall be able to bridge crack up to 0.5mm width. All scaffolding, ladders, supporting materials etc. complete. Rates shall be inclusive of all labour, materials, tools and plant etc. complete.

Providing water proofing treatment over the new R.C.C. roofs terrace toilet by spreading cement slurry over the R.C.C. slab and laying of 10cms. Average laterite stone ballast coba with the necessary gradient for easy flow of rain water and the coba in covered with damp proof of Hindustan water proofing co. Or equivalent jointless water proofing plaster of mix 1:3 ( 1 cement : 3 find sand), finished smooth with wooden trowel with false marking of 30 cms square. The vertical surface of the adjoining walls are to be treated upto a height of 30cms including rounding of junction (the rate includes for complete items including labour and materials and including cost of initial treatment of roof slab as follows. The injunction of damp proof or equivalent compound with cement solution will be given as and when found necessary for filling honey comb, cracks etc. in the R.C.C. slabs). NOTE: cement consumption 25 kg/sq.m.

12mm cement plaster 1: 3 (1 cement ; 3 coarse sand) finished with a floating coat of neat cement.