Column Casting करते समय ध्यान रखना || How To Cast RCC Column 😳

COLUMNS
General & reinforcement
Plotting of gridline for center of column above plinth / floor slab.
Locating & marking the centers of columns.
Binding & placing column reinforcement above upper floor slab as per required height, considering lap length of the bar.
Column reinforcement & its arrangement as per drawing.
Ring spacing & their arrangement as per R.C.C. drawings.
Proper binding of reinforcement with binding wire.
Fixing of concrete or P.V.C. cover blocks to reinforcement.
Checking of shuttering for columns
The quality of shuttering before placing.
Applying deshuttering oil to plywood shuttering.
Fixing M.S.clamps (shinkanjas) at every 0.6 m (2’0″) internal.
Stiffness of side supports to have formwork in plumb.
Checking of column before concreting
Size as per drawing.
Diagonals as required.
Oiling of shuttering.
Plumb on both sides.
Line of columns as desired.
Sufficient Marking level up to which concreting to be done.
Supports.
Reinforcement cover provided.
Spacing of reinforcement above concrete level, maintained as required.
Proper filling of gaps from outside by soil paste.
Checking of column while concreting.
Quality of materials of concrete.
The proportion & mixing of material.
Six cube mould are kept ready to cast cubes from different batches.
Controlled water cement ratio.
Availability of vibrator or labour for tamping.
Proper cover after concreting on top level.
Casting of concrete cubes as required.
Proper numbering on cubes.
Fill joints if slurry flows from anywhere.
Maintain required concrete level.
Cleaning of mixing platform.
Checking of columns after concreting.
Deshuttering of columns after 24 hrs-48 hrs.
Submission of the deshuttering report to higher authority.
Finishing of honey combing, if any, with proper care.
Date of casting written on column.
Hacking of columns.
Cubes removed next day & kept for curing, with code numbers, cast code, site name on cubes.
Curing of columns done for minimum 15 days. Wet nesian cloth wrapped around it.
Testing of cubes on due dates i.e. after seventh & twenty eighth day.
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Column Casting करते समय ध्यान रखना || How To Cast RCC Column 😳