![What are R.L's (Reduced Levels) on a drawing, and how to work with R.L's (Reduced Levels) for a building site tutorial guide What are R.L's (Reduced Levels) on a drawing, and how to work with R.L's (Reduced Levels) for a building site tutorial guide](http://www.thirdistudio.com.au/Drawings/SurveyPlan-01-Large.jpg)
What are R.L's (Reduced Levels) on a drawing, and how to work with R.L's (Reduced Levels) for a building site tutorial guide
![Here's 20 Things I Wish I Learnt Earlier As An Architectural Designer | Materials & Specifications | ARCHLOGBOOK Here's 20 Things I Wish I Learnt Earlier As An Architectural Designer | Materials & Specifications | ARCHLOGBOOK](https://uploads-ssl.webflow.com/61b5bc36dcdbdf18957bfa61/61bedda9fa16261c86cdd1c2_d7400-80lessons3-buildingapron.png)
Here's 20 Things I Wish I Learnt Earlier As An Architectural Designer | Materials & Specifications | ARCHLOGBOOK
![What is EGL , PGL, GL, TSL, FL, FFL, GFL | Different level in construction | #construction #level - YouTube What is EGL , PGL, GL, TSL, FL, FFL, GFL | Different level in construction | #construction #level - YouTube](https://i.ytimg.com/vi/rk6HO5Ubu-8/hqdefault.jpg)
What is EGL , PGL, GL, TSL, FL, FFL, GFL | Different level in construction | #construction #level - YouTube
Developing finished floor level (FFL) - AutoCAD Video Tutorial | LinkedIn Learning, formerly Lynda.com
![Definition of the level for the IfcBuildingStorey (opinion poll) - #21 by agron - IFC - buildingSMART Forums Definition of the level for the IfcBuildingStorey (opinion poll) - #21 by agron - IFC - buildingSMART Forums](https://global.discourse-cdn.com/business6/uploads/buildingsmart1/optimized/1X/ff33fd08eadec145dcb32f73c29eabe0a035b6f5_2_690x305.jpeg)