bids are invited for repair and overhauling service - 1; 1; no; buyer premises --e-034:- pressure gauge lines of ac system found deteriorated. same to be renewed alongwith ferrules and adaptors. additionally, gauge lines to be secured with clamps and proved for nil leakage. l-25 mtrs, dia-10mm, mat-cuni. e-049:- high ref temperature alarm observed on both ac plant while running on full load resulting in tripping of ac plants frequently. suspect ac condenser chocked. chemical cleaning of ac condenser to be undertaken. in-way jobs include removal and fitment of ac sea water system intlet/outlet pipelines and renewal of ender cover gaskets.