What is SSL and FFL in construction?


What does FFL mean in construction?

Other information regarding levels are the natural ground line (NGL) and the finished floor level (FFL). The difference between the FFL and the TBM shows the builder how much higher or lower the house is from the TBM. For example if you have a TBM of 100.00 and a FFL of 100.3.

How is an FFL calculated?

Locate the structural floor height specified in the flooring project plans. Add the combined height of the architectural floor material, substrates and adhesives to the structural floor height. This is the finished floor level.

What is the difference between RL and FFL?

Hello and welcome to Just Answer. I don’t see it that often but engineers and surveyors use R.L. for Relative Level or Reduced Level. It is a measurement of height taken from some known datum. F.F.L is First Floor Level.

What is FGL level?


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What is slab level?

The term ‘floor slab ‘ usually refers to a floor that has been formed using concrete (and generally steel reinforcement) and may form part of the structure of a building. It may form the floor of a basement, at ground level or at upper levels.

What is finished floor height?

Finished floor height is the measurement from the natural grade of the property to the top surface of the floor inside the home.

What is RL in construction?

Reduced level ( RL ): this is the height or elevation above the point adopted as the site datum for the purpose of establishing levels. To establish the required depths for a drainage system you need to work from the datum point. The datum is taken as a reduced level of 10,000.

What is SFL mean?


Acronym Definition
SFL Students for Liberty (est. 2007)
SFL Soldier for Life (US Army)
SFL Skills for Life
SFL Standard Function Library


What is FFL Autocad?

Finished floor level ( FFL ) refers to the uppermost surface of a floor once construction has been completed but before any finishes have been applied.

What is a floor level?

Floor Level means the floor upon which people normally walk—not shelves, ledges, overhead beams, tops of stacked materials, surfaces of equipment, or similar places.

Can DPC be above floor level?

Unlike timber suspended floors where the damp proof course will be sited below floor level with solid constructed floors the DPC should always be sited above finished floor level and should be visible.

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How do you read RL levels?

The levels on the site plan are the numbers next to the crosses on the site plan. They look like this: The cross marks where the level was taken on the site with the equipment, and the number is the height. If you look at the site plan, on the bottom left of the corner of the site is the level 10.00.

How do you calculate RL?

– method to calculate RL; height of collimation (H of C) = reduced level( R.L. ) + backsight (B.S.) reduced level ( R.L. ) = height of collimation (H of C) – foresight (F.S.) reduced level ( R.L. )

What is RL in surveying?

From Wikipedia, the free encyclopedia. Relative level in surveying refers to equating elevations of survey points with reference to a common assumed datum. It is a vertical distance between survey point and adopted datum plane.

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