Slope requirement for various surfaces
Mastering the levels & slopes are very important aspect of achieving proper drainage in our building parts. Following are the various floor surfaces requires certain amount of slope,
- Toilets - Wet & Dry areas
- Utilities & Balconies
- Terrace
- Basement & Car parking areas
- Roads
- Drains & Plumbing lines
The slope requirement is decided on two factors,
- Floor Finish's undulation level
- Rate of water draining requirement
The below table shows slope requirements against the above factors,
The slope may be mentioned in two ways, in ratio (ex: 1:100 or 1 in 100) or in percentage (ex: 1%). The below table gives the slope requirement for assumed floor finish,
In case of change in floor finish, slope has to be decided suitably.
Note: Toilet wet area is - Shower area & Toilet dry area is - EWC & Hand wash area.