The provisions of this Article shall be liberally construed so as to provide, to the extent practicable, similar, although not necessarily equal, pre-retirement disability and survivor death benefits as those provided to members of the Defined Benefit Plan, and to provide other employee welfare benefits to members of the Defined Contribution Retirement System, which benefits are fully funded on a current basis from employer contributions, with the objective of encouraging qualified personnel to enter and remain in the service of the government of Guam, thus effecting economy and efficiency in the administration of the government.