https://youtu.be/bm6-vrfdAkA FOOTINGS ARE PART OF FOUNDATION . IT HOLD COLUMN ON IT . THE CONCERTRATED LOAD COMMING ON THE COLUMNS ARE TRANSFERRED TO THE FOOTINGS WHICH FINALLY SPREAD LOADS TO GREATER EXTENDED AREA BELOW FOOTING TO GROUND. BEFORE PLACING FOOTINGS SOME PRECAUTIONS:- https://youtu.be/bm6-vrfdAkA The Popular 5 Types of Footings 1.THE FOUNDATION EARTH WORK BEFORE PLACING FOOTINGS SHOULD EXAMINE . THE DRAWINGS SHALL BE STUDIED AND MISSING DIMENSIONS SHALL BE OBTAINED. 2. DEPTH OF FOOTINGS ,SIZE OF FOOTING TO BE AS PER DRAWING .ABOUT 150 TO 200 MM CLEARANCE SHALL BE LEFT AROUND BASE OF FOOTINGS TO FACILIATE WORKING. 3.THE BASE OF SOIL TO BE RAMMED PROPERLY TO GET LEVEL SURFACE WITH SPREADING MOORUM MIXED WITH SAND. 4.150MM P.C.C.WITH 1:4;8 SHALE BE LAID BELOW BASE OF FOOTINGS. 5.EXTRA DEPTH AROUND FOOTINGS BASE SHALL BE FILLED WITH SAND AND COMPACTED PROPERLY. 6.PLACE THE BASE REINFORCEMENTS JALI WITH 40 MM COVER . 7.THE VERTICAL REINFORCEMENT OF COLUMN TO B