25 Pa. Code § 89.37
(a) The operation plan shall contain a description of each existing structure proposed to be used in connection with or to facilitate the mining operation. The description shall include the following:
(b) The operation plan shall describe how each noncomplying existing structure will be modified or reconstructed to comply with the design and performance standards of this chapter. The description shall include the following:
The provisions of this § 89.37 adopted December 19, 1980, 10 Pa.B. 4789, effective July 31, 1982, 12 Pa.B. 2382; amended July 30, 1982, 12 Pa.B. 2473, effective July 31, 1982, 12 Pa.B. 2382.