Oct 15, 2021
Residential Building Cost by Thumb Rule (Rate Per Square feet)
Oct 8, 2021
Top Terrace Waterproofing - Standard Work Procedure
Top Terrace Waterproofing
Introduction:
This standard operating procedure enumerates the scope of Waterproofing work in toilets to be executed in Tower area as specified in the approved drawings.
Responsibility:
The respective Tower-in-charge is responsible to execute the work as per procedure.
Safety & protection:
PPEs like safety belts at height, helmets, safety goggles etc. should be used properly.
Ensure the working area is kept clean for easy access.
Proper illumination to be provided during the work, if required.
Educate the workmen through pep-talk meeting.
Preparatory works:
Cleaning of slab base and sides of beams shall be carried out as regards all those materials, mortar, oil etc. thoroughly by wire brush and the area shall be washed clean.
PVC sleeves should be removed.
Slab should be filled with water and next day should be inspected for leakages.
If Leakages found, then cracks should be open out by making grove and pressure grouting by socket should be done. After completion of treatment sunken slab should be again recheck for any leakages.
Ensure all plumbing lines are installed on top of slab as per slope specified in approved drawing.
Work Method:
Brick bats should be soaked thoroughly for about 15 minutes prior to their placing.
Cement mortar in 1:4 proportions should be prepared and laid on slab. Mortar mixed shall be used within 1Hour of preparation.
Pre-soaked brick-bats shall then be laid in straight / radial, by inserting brickbats to a depth of about 15mm by light tamping with the help of mallets. Distance between adjacent layers of brickbats shall not exceed 25mm.
Application of brick-bats shall proceed from one corner. Thiyya (level pads) for the same shall be given by Site Engineer, considering into account adequate slope towards rain water drain.
Mortar should be filled up to half height of brick bats and it should be cure for minimum 3 days.
After curing is over, the surface shall be applied with a finishing coat of cement sand mortar in the proportion 1:4 with waterproofing compound (Fosroc Conplast X 421 IC) @ 150ml per bag of cement till top of brick-bats.
Top coat shall be of neat cement slurry of adequate consistency and shall be done monolithic with topping of brick-bats with slope towards rain water drain.
Finished surface shall then be cured for at least 7 days by ponding and then tested for leakages, if any.
Team
CBEC India
Oct 1, 2021
Kitchen Platform - Standard work Procedure
Kitchen Platform
Introduction:
This standard operating procedure enumerates the scope of Tiling work to be executed in Tower area as specified in the approved drawings and at places when instructed by the Tower-in-charge.
Responsibility:
The respective Tower-in-charge is responsible to execute the work as per procedure.
Safety & protection:
PPEs like safety belts at height, helmets, safety goggles and ear plugs etc. should be used properly.
Ensure the working area is kept clean for easy access.
Proper illumination to be provided during the work, if required.
Educate the workmen through pep-talk meeting.
Preparatory Works:
Check the height of Platform vertical is as specified in drawing. Vertical top should be in level.
All visible edges of platform granite should be polished before fixing it in place.
Slot the wall 2 in depth at correct height as specified in drawing for inserting platform in wall.
Cutting of Kitchen sink and gas hole should be done as per approved drawing and checking the pluming points on wall.
At wall where the gas cutout in platform comes chase the portion to fix the flexible pipe for gas. Gas hole is to be taken from skirting and through wall take it below platform.
Work Method:
At sink area first fix the secondary marble and then fix the sink as per drawing and plumbing points on wall.
Apply the resin hardener adhesive on top of vertical. And place the platform in position by inserting it by 2 in wall.
Check the top level of platform it should not have any slop.
Fill the wall chase area in mortar of 1:4.
Do fix skirting in place as per drawing.
At gas hole put the flexible pipe in wall with a sample gas pipe inside of it, for insuring the correct curvature of pipe and fill the wall chase portion with cement mortar of 1:4.
Flexible pipe should be then cut at the face of skirting and below platform at the face of wall and sealed properly.
Fix the facia patti (Architrave) as per approved drawing with resin hardener. Coins should be inserted into facia patti and platform to increase its stability.
Apply the approved sealant around sink and platform joint neatly to make it waterproof.
Grout the joints with approved grout and clean the platform.
Do apply light coat of clear oil on granite face for protection.
Post Checks:
Check the gas hole for its operation.
Check the level of platform.
Check for alignment of sink with plumbing points.
Check for any visual defect.
Team
CBEC India