bg ttr(p) of the existing 1 in 12 (fs) by 1 in 12 (tws) pt. no. 101, 102, 103, 104, 111, 112, 113, 114, 201 at adq yard, pt. no. 101, 102, 103, 104, 111, 112, 113, 114 at tkg, pt. no. 121 at aub, pt no. 103, 101, 111, 113 at nak yard, pt. no. 103, 101, 11