New web development and design for IWA Forest Industry Pension Plan and IWA Forest Industry Ltd Plan. The IWA - Forest Industry Long Term Disability Trust and Plan was established in 1982 by an agreement between the I.W.A. and forest industry employers. The Plan pays a monthly disability benefit to members who have been off work for longer than six months due to illness or injury. The Plan also provides extended medical and dental benefits and offers rehabilitation services.