--- id: grounding aliases: [] tags: - occupational/systems/feeders --- # Grounding ## Info This script is intended to cover both electrical and telecom grounding in lieu of detail sufficient for standard takeoff (e.g. a grounding riser). Note that the material provided in this system is intended to be budgetary, not especially consistent with the actual install. ## Sequence ### 1. Estimate preparation Locate: * Main electric room (service entrance) * Remote electric rooms ### 2. Takeoff `COMMON ASSEMBLIES`/`GROUNDING` #### System Grounding > Area: "01 - Feeders/Risers Building" `COMMON ASSEMBLIES`/`GROUNDING`/`GND = #3/0 & 1" CONDUIT - EMT` * Length: Measure around the main electrical rooms to stacked * Count: Total number of electrical rooms `COMMON ASSEMBLIES`/`GROUNDING`/`(3) ... x 10' CU CLAD GRD ROD & 4"X12" GND BAR` * Count: 1 #### Riser > Area: "Typical - Building All Electrical Riser Rooms" `COMMON ASSEMBLIES`/`GROUNDING`/`GND = #3/0 & 1" CONDUIT - EMT` * Length: 15 * Count: 1 #### Telecom Ground Bridge Use only where shown. `COMMON ASSEMBLIES`/`GROUNDING`/`TELE/DATA GND BRIDGE, ..., W/ COVER & (60') #6 THHN GREEN` ### 3. Extension (Review and Checking)