A# Civil & sanitary fittings change works and special roof repair works of building. B# Repair & renovation of generator & substation buildings, room to convert into office and necessary works on walkways. C# Installation of wall paneling & horizontal blinds of building. D# Construction of temporary dress changing room, temporary housing for prison guards including boundary wall and replacement of sanitary fittings, stair tiles, collapsible gates, angles, tins & vertical blinds of buildings. E# Ancillary repair works including installation of door, sliding glass of bookshelf, wall almirah, file cabinet, hardboard & aluminum ceiling, partition wall, Thai glass installation & other repair works. F# Repairing & painting works of press club. G# Civil & sanitary repairs and other works of residences.