DESIGN AND CONSTRUCTION OF 16 MTR SPAN MINOR PERMANENT SIMPLY SUPPORTED T-BEAM BRIDGE RINGING KYONG AT KM 13.69 INCLUDING APPROACHES, SURFACING AND PMT WORKS DULY PROOF CHECKED OF DESIGN AND DRAWINGS ON DIKCHU-SANKLANG ROAD UNDER 107 RCC/758 BRTF PRO (投標 №104851049cn)