Lower Periyar HEP Painting Works

Amount

Pressure washing and Painting of the Dam body and Over head platform

Repair to plaster of thickness 12 mm to 20 mm in patches of area 2.5 sqm and under, including cutting the patch in proper shape, raking out joints and preparing the surface by removing rust by applying approved rust remover as directed and plastering the surface of the wall complete after applying plaster bonding agent of approved make, including cost for putting all scaffoldings, hire charges etc., disposal of rubbish to the dumping ground within 50 meters lead using cement mortar 1:3 etc. complete as per the technical specifications and as directed by the Engineer in Charge.

Scrapping and cleaning the downstream face of dam and its appurtenance for removing dirt, dust, bird excretion, grease, oil, algae, fungus, monkey beats, vegetable growth etc. by pressure washing using winch and cradle platform including cost of materials and labour charges etc. complete as per the technical specifications and as directed by the Engineer in Charge.

Applying one coat of Water thinnable cement primer of approved brand and manufacture ( Brand as per Table 1.2 of Annexure 3) on wall surface etc. complete as per the technical specifications and as directed by the Engineer in Charge.

Wall painting with two coats of acrylic exterior emulsion paint, having VOC (Volatile Organic Compound) content less than 50 grams/ litre, of approved brand and manufacture( Brand as per Table 1.2 of Annexure 3) including applying additional coats wherever required, to achieve even shade and colour as per the technical specifications and as directed by the Engineer in Charge.

Painting with aluminium paint two coat of approved brand and manufacture( Brand as per Table 1.2 of Annexure 3)on old work to give an even shade etc. complete as per the technical specifications and as directed by the Engineer in Charge.

Finishing with two coats of Epoxy paint ( Brand as per Table 1.2 of Annexure 3) at all locations prepared and applied as per manufacturer’s specifications including scrapping, cleaning, one coat Zinc Phosphate primer, preparation of surface where ever required on old steel work etc. completeas per the technical specifications and as directed by the Engineer in Charge.

Painting the upstream face of the Radial gate and lower vent of the Dam after the surface preparation through copper slag blasting process as per IS 1477 Part I-1971(the average surface roughness after copper blast should not exceed 40 microns) the copper blast surface should be cleaned from loose dust and debris through air blast with the help of blower, to the class B specification ie at least 95% of surface of steel should be cleared to base metal except some tightly bonded residue in the form of mill scale/rust only. Then apply two coats of zinc rich primer (containing not less than 85% of zinc on dry film) (Brand as per Table 1.2 of Annexure 3) to give a total dry film thickness of 70+5 microns within a time gap of 6 hrs. after surface preparation. Then apply two coats of solvent less coal tar epoxy paint (Brand as per Table 1.2 of Annexure 3) at an interval of 24 hrs (150 microns each) including the cost of epoxy paint, primer, copper slag, compressed air, labour etc. complete as per the guide lines of IS 14177-1994 (reaffirmed 2019)etc. complete as per the technical specifications and as directed by the Engineer in Charge.

Welding by electric plant on upper and lower vent gate hoisting structure of Lower Periyar Dam where ever necessary after cleaning the surface by sand paper/grinder etc. complete as per the technical specifications and as directed by the Engineer in Charge.

Aryacon Contractors and Engineers

M V Balakrishnan

K J JOSE

BRIJEESH K N

Bidder Name

Aryacon Contractors and Engineers

K J JOSE

M V Balakrishnan

Lenin

BRIJEESH K N