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I N S TA L L AT I O N A N D O P ER AT I N G I N S T R U C T I O N S
Flatness of concrete plinth area should be within ±2 mm. This area only considers switchgear
foundation. Concrete plinth height of minimum 700 mm is recommended.
M10 Hot Dip Galvanized
Hex Nut
Foundation Bracket of
RMU
M10 Hot Dip Galvanized
Cup Washer
Hot Dip Galvanized
M10x100 Anchor Bolt
*Maximum limit is 60mm
*40mm
Hot Dip Galvanized
M10x100 Anchor Bolt
Foundation Bracket of
RMU
*40mm
Wherever it is not possible to have proper leveling, use channel, ISMC-75 as per IS-2062/1999.
Alternatively, unit can be directly bolted to the concrete foundation with suitable M10 Fischer bolts
—
Figure 5.4
Foundation details
