(a) Before a grant is made under § 51.501, an appraiser employed by the land office must appraise the effect of the improvement for which a grant is sought on the value of the permanent school fund property.
(b) If the appraiser finds that the improvement will increase the value of the real property in an amount at least equal to the amount the improvement will cost, the commissioner may authorize the disbursement of money to construct the improvement.