GENERALPainting and maintenance work at DD1 Blocks Civil stationPaintingGeneral Civil Work

Maintenance Work

26.28.3:Chipping of unsound/weak concrete material from slabs, beams, columns etc. with manual Chisel and/ or by standard power driven percussion type or of approved make including tapering of all edges, making square shoulders of cavities including cleaning the exposed concrete surface and reinforcement with wire brushes etc. and disposal of debris for all lead and lifts all complete as per direction of Engineer-In-Charge25 mm average thickness

OD199835/2025-2026:Rust remover/Rust Converter Cleaning of rust /scales/corrosion from reinforcement bars should be carried out using acid based rust remover, Reebakleens RR of Fosroc or equivalent, or using alkalibased rust converters such as Feovert of Krishna Conchem. The materials is to be applied to the rusted metal bar, using brush and leaving it to dry for 30min. washing the surface with fresh water as required to exposed reinforcement bar at all height, including all material, labours, tools, temporary supports for structures, electricity, plant and machineries complete as per detail specification and as directed by engineer-in –charge and/or consultant. The Concrete surface area containing the cleaned rebars shall be measured for payment.

OD199774/2025-2026:Anti corrosive treatment to steel Providing and applying inhibition coats/system to exposed reinforcement bar also new bars, after cleaning, removing scales and rust completely as specified in 1.4, two component inhibitor Nitozinc primer std. of Fosroc or Master Emmaco P 130 of BASF or equivalent having specific gravity of 1.75 and solid content 57(+/-3).Adhesive bond strenth1.5n/mm2, 40 microns DFT per coat as approved by Enginner- in – charge and/or consultant shall be used as per manufacturers specification in two coats at all height, including all material, labour,tools, temporary support for structures, electricity plant and machineries, necessary surface preparation and necessary protection after and during work. The concrete surface area containing the rebars where the treatment is carried out shall be considered for measurement.

26.31.1:Providing, mixing and applying bonding coat of approved adhesive on chipped portion of RCC as per specifications and direction of Engineer-In-charge complete in all respect.SBR Polymer (@10% of cement weight) modified cementitious bond coat @2.2 kg cement per sqm of surface area mixed with specified proportion of approved polymer

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)

13.88:Removing white or colour wash by scrapping and sand papering and preparing the surface smooth including necessary repairs to scratches 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

13.111.1:Finishing walls with Acrylic Smooth exterior paint of required shade :Old work (Two or more coat applied @ 1.67 ltr/ 10 sqm) on existing cement paint surface

13.99.1:Painting with synthetic enamel paint of approved brand and manufacture of required colour to give an even shade :One or more coats on old work

13.98.1:Wall painting with plastic emulsion paint of approved brand and manufacture to give an even shade:One or more coats on old work

14.72:Providing and fixing double scaffolding system (cup lock type) on the exterior side, upto seven story hight made with 40 mm dia. M.S. tube 1.5 m centre to centre, horizontal & vertical tubes joining with cup & lock system with M.S. tubes, M.S. tube challies, M.S. clamps and M.S. staricase system in the scaffolding for working platform etc. and maintaining it in a serviceable condition for the required duration as approved and removing it there after. The scaffolding system shall be stiffened with bracings, runners, connection with the building etc wherever required for inspection of work at required location with essential safety features for the workmen etc. complete as per directions and approval of Engineer- in Charge. The elevational area of the scaffolding shall be measured for payment purpose. The payment will be made once irrespective of duration of scaffolding. Note:- This item to be used for maintenance work judicially, necessary deduction for scaffolding in the existing item to be done .

15.60:Disposal of building rubbish/ malba/ similar unserviceable, dismantled or waste materials by mechanical means, including loading, transporting, unloading to approved municipal dumping ground or as approved by Engineer-in-charge, beyond 50 m initial lead, for all leads including all lifts involved

OD199785/2025-2026:Labour engaged for furniture shifting and cleaning

9.20.1:Providing and fixing ISI marked flush door shutters conforming to IS : 2202 (Part I) decorative type, core of block board construction with frame of I st class hard wood and well matched teak 3 ply veneering with vertical grains or cross bands and face veneers on both faces of shutters.35 mm thick Fixing with hinges of required size and necessary screws (Note: Hinges and necessary screws hall be paid separately)

15.12.1:Dismantling doors, windows and clerestory windows (steel or wood ) shutter including chowkhats, architrave, holdfasts etc. complete and stacking within 50 metres lead:Of area 3 sq. metres and below

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