... across rivers and valleys where special geographical teatures exist. 1. Specification: (1) all aluminium conductor (AAC) (2) all aluminimum ... 2. Manufacturing standards: IEC83, IEC1089, 31, B232, BS215, DIN48204. 1). Standard: IEC61089, BS215 part2, ASTM B232, DIN48204, BS EN50182. ... , such as IEC61089, BS215, BS EN 50182: 2001, STM B231, CSA C49, DIN480201, JIS C3109, customer special specification ...