Please confirm that changing from a 400A tap-off unit, TPNMCCB, E/F Relay & TPN MCCB Board to a 630A tap-off unit, TPNMCCB, E/F Relay & TPN MCCB Board at 19/F EL Room (refer to8791A/EL/TEL101, Rev. A) is technically feasible and the space ofEL room is sufficient for such modification.