Govt college Madappally -Urgent repair works for spalling portion in arts block

Detailed Estimate

OD206048/2025-2026:Chipping and removing old spalling/defective concrete and exposing the defective /corroded reinforcement of the ceiling, joint the additional bar wherever 1/3 diameter of the bar is corroded.Removel of the defective concrete across yhe bar should be at least 2 mm beyond the defective bar so that the reinforcing bar can be cleaned with emery ribbon,wire brush etc.After cleaning the bar wash the bar with clean water and collect all the spalled/fallen concrete.measurement is calculated for whole exposed area .Including cost of meterials,labour charges,conveyance of meterials to site hire charges of tools etc complete.

OD206051/2025-2026:The cleaned reinforcing bar,on the dried bar,applying corrotion inhibitant one coat of nitrozinc primer care should be taken to see that the zinc rich primer coated should make an unbrocken continous film on the bars. After cleaning the bar applying one coat of bonding agent Nitobond A R/SBR.measurement is calculated as in the previous case.Including cost of meterials,labour charges,conveyance of meterials to site hire charges of tools etc complete.

OD206050/2025-2026:The applying two component high build polymer modified cementitions reinstatement mortor Rendroc HB2 preferable with hand using wet on wet methed to make sure that high strength polymer mix covers the reinforcing bar on all sides and cover the acidic concrete.measurement is calculated as in the previous case.Including cost of meterials,labour charges,conveyance of meterials to site hire charges of tools etc complete.

OD206049/2025-2026:The Ceiling surface is to be smoothened with modified mortar to an average thickness of 15 mm. measurement is calculated as in the previous case.Including cost of meterials, labour charges, conveyance of meterials to site hire charges of tools etc complete

13.43.1:Applying one coat of water thinnable cement primer of approved brand and manufacture on wall surface:Water thinnable cement primer

14.1.1: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 proper shape, raking out joints and preparing and plastering the surface of the walls complete, including disposal of rubbish to the dumping ground within 50 meters lead:With cement mortar 1:4 ( 1 cement : fine sand)

13.60.1:Wall painting with acrylic emulsion paint of approved brand and manufacture to give an even shade:Two or more coats on new work