substation of Houay is arranged with one circuit of 115kV outgoing line bay only. the phase sequence is arranged as A,B and C from left to right while facing outgoing line bay. the outgoing line terminal is to adopt one 1A-J4 single-circuit terminal tower. it is to T-wired to the system with the built line. the line will start from 115kV substation of Houay and T-wired to the existing 115kV line in the proximity of Ban Phonouan village via a length of some 15kw. line route scheme may be refferd to the following figure.
fig 1.10-1 line route scheme of 115kV transmission line