2012-11-21_PERMIT FILE - C1982056A (3)

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Meteorological Monitoring Station In order to gather updated meteorological information for air quality compliance and permitting, TCC will install a Meteorological (MET) Monitoring Station just to the south of the Area 1 Pit and permitted Overburden Stockpile, on an area of reclaimed mine spoils, as shown on Map 24 and by Figure 32. The MET Station will consist of a 4 x 4 foot concrete pad for the instrument tower, a 30 -foot steel tower with guy lines and anchors, a 3 x 3 foot concrete pad for a solar power panel, the solar panel, and a steel box for control and monitoring equipment. Instruments to monitor wind speed and direction will be mounted on the tower, along with a transceiver to transmit the data to a remote receiver. The MET Station will be accessed by the existing road to the Overburden Stockpile, and a new 400 -foot, all- season, light -use road. The road, which will be approximately 20 feet wide, and graveled for all - season access, will end in a 30 x 30 foot pad to provide a vehicle turn- around. Given that the road and pad will be built during the winter, installation of drainage controls during construction is not necessary or feasible. Soil material will be stripped from the road and pad disturbance areas, and placed in existing soil stockpile SF -3. The road and pad areas will be graveled, and drainage from the small disturbance area will continue to flow to the Area 1 Pit and Pond D. It is anticipated that the MET Station will be reclaimed in conjunction with final backfilling and grading of the Mine Facilities area at the end of the mine life. Instruments and equipment (ie: tower, solar panel, and control box) will be salvaged for use elsewhere, and the small concrete pads will be removed and disposed of in the nearby portal fill area. (b) A description of each existing structure, for which there are specific design criteria or performance standards specified in these Rules, proposed to be used in connection with or to facilitate the surface coal mining and reclamation operations. The description shall include: (i) (A) Location: (B) Plans of the structure which describe its current condition; (C) Approximate dates on which construction of the existing structure was begun and completed; and (D) A showing, including relevant monitoring data or other evidence, whether the structure meets the design requirements or performance standards of Rule 4 or is eligible for exemption from the design requirements as set forth in 2.07.6. (ii) A compliance plan for each existing structure that is proposed to be modified or reconstructed for use in connection with or to facilitate the surface coal mining and reclamation operation. The compliance plan shall include: (A) Design specifications for the modification or reconstruction of the structure to meet the requirements of these Rules: (B) A construction schedule which shows dates for beginning and competing interim steps and final reconstruction; (C) Provisions for monitoring the structure during and after modification or reconstruction to ensure that the performance standards of these Rules are met; (D) A showing that the risk of harm to the environment or to public health or safety not significant during the period of modification or reconstruction. RESPONSE All existing structures have been constructed in accordance with CMLRD Permit No. C -82 -056, approved April 16, 1984, and associated revisions. Rule 2.05.3(3), Mine Facilities, describes modifications on reconstruction of buildings and coal handling facilities planned under this permit revision. In light of the fact that all modifications or reconstructions will be conducted on previously affected surface areas within MR09 -236 2.05 -65.6 02/23/09