Clean area ER4 for south west from dirty of dust, install cover for panel trafo and tightening cover cable tray.  Repainting door with red color, and floor of ER4 with yellow and red color. Move unsafe good inside ER4 to garbage tank, put support for cable to warehouse behind ER5 ( JAJAT & AGUS & RIZAL & ADI & ANDRI & MUHAIMIN & AIMAN & DADANG )