The plan is also scheduled to request an emerging markets equity manager search in the coming months.
The plan will consider new structures for its infrastructure, non-U.S. equity and real estate portfolios later this week.
The search is part of a state-mandated evaluation of existing managers.
The commitments include five new relationships for the plan.
The plan approved a $50 million commitment at its board meeting today.
The plan disclosed four total commitments made last month.
The plan approved two commitments previously approved by its investment committee last month.
The retirement fund liquidated a $243 million international equity mandate and made commitments totaling $770 million in December.
Fund is largest pan-regional infrastructure fund to have been raised for Asia Pacific
Retirement system is seeking a pool of managers to provide the services.