REPAIR AND MAINT OF ROOFING, CEILING, FLOORING AND JOINERY AND CERTAIN MISC WORK AT ZONE BR-I & BR-II; REPAIR AND MAINT PLUMBING AND SANITARY FITTINGS AT ZONE BR-I & BR-II AND PERIODICAL SERVICES TO CERTAIN BLDG AT ZONE BR-I & BR-II AT BORARUPAK MIL STN U