Advantages of Maintenance chemicalFull description
An excel sheet for calculations of earthing requirements for a building
ear
An excel sheet for calculations of earthing requirements for a building
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Full description
amazing book on how we are disconnected from nature, and how by reconecting with her simply by walking barefoot we can have tremendeous benefits
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Safe operating procedureFull description
The various methods and philosophies available for grounding electrical systems are diverse and offer the designer a plethora of choice. As a topic, not only is earthing arguably the most openly d...
Earthing System (Earth mat / Earth Pit) – 2 Yearly Maintenance Procedure Electrical: Common Note: 1) Obtain correct permit. 2) Follow safety rules and guidelines. 3) Obtain Obtain drawings drawings relevant to area area of all neutral, neutral, body and and structure structure earth pits & mats. 4) Take care due due to step and and touch touch potential. potential. 5) Use Use insu insula late ted d tool tools. s. 6) Do not disconnect disconnect more more than than one earth earth pit pit at a time. time. 7) Do not not dist distur urb b ne neut utra rall eart earth h pit pit term termin ina atio tions of Gen ener erat ato or and and transformer while in service.
Checks should cover earthing system of the following:
1) 2) 3) 4) 5) 6) 7) 8) 9)
Transf Transform ormer er body body and neutra neutrall earth. earth. Genera Generator tor body body and and neutra neutrall earth. earth. Body earth earth of of all panel, panel, DBs DBs and electrical electrical systems. systems. Struc Structu ture re earth earthing ing.. Lightni Lightning ng arres arrester ter eart earthing hing.. Building Building lightning lightning protection protection earthing. earthing. Sun unsshade hades. s. Statio Station n fencing fencing,, gates gates and and doors. doors. Electr Electrica icall inst install allati ation. on.
Checks and Measurements: 1) Check earth earth electrode electrode and earth earth mat terminati terminations ons for loose loose connection, connection, contact, pitting and flash marks. 2) Inspect Inspect all terminatio terminations ns for salt salt formatio formation n and clean. clean. 3) Ensure moisture moisture level level is maintained maintained in in earth earth pit. 4) Insp Inspec ectt the earth earth pit brick brick / conc concre rete te lini lining ng and pit pit cove coverr for for good good condition. 5) Ensure all pits pits have unique identificatio identification. n. 6) Measure Measure earth resistanc resistance e value of of earth electrod electrode e / earth mat. mat. 7) Maintain Maintain a register register and and record record values values and observati observations. ons. 8) Apply thin thin layer of petroleum petroleum jelly jelly at earth earth / electrode electrode terminations. terminations. 9) If any reading reading is more more than 4 ohms, ohms, inform inform supervis supervisor or and arrange arrange for reconditioning the pits as per procedure. 10)List out and arrange for cement works and identification as required. 11)Ensure all the pit covers are in position. 12) Cancel the permit.