Civil-Structures -Techguruji file:///storage/emulated/0/Download/google3097420ad187c8af%20(1).html

How to give Layout for excavation center lines at site.How to lay column reinforcement on pcc bed https://youtu.be/7Hin5Wi6TKY   SETTINGS OUT EXCAVATION LINES FOR BUILDING,HOW TO PUT RCC COLUMN BAR ON PCC BED The settings out layout plan for excavation work for foundations trenches means bringing all the wall cetre lines on groud. 1.I have explained everything in the youtube channel video which are necessary to know before attempting job aspirants I the position of Project Engineer, Construction manager, Civil site supervisor 2 .How 3-4-5 methods is used practically to lay center lines at right angle to each other. 3.For settings right angles at land Theodolite or Prismatic compass may be also useful for VIP project. 4.How I dig excavation for Footings and how concrete work for Footings are executed. 5.How to lay down reinforcement jali for Footings and columns bars 6.What are the important precautions to be observed for quality control. 7.Minimum gr

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