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\ - <br />' • <br />J. Dillie <br />July 11, 1995 <br />Page 2 <br />discharge from the spigots do not always take a straight path into <br />the pond and meander through hundreds of feet of the beach before <br />reaching the solution pond. Due to the close spacing, at times <br />tailings from consecutive spigots have joined together aid moved <br />into the solution pond as a single discharge point. Spacing the <br />spigots at 150 foot +/- intervals minimizes the problem and still <br />provides even deposition in the pond. BMRI will be adjusting the <br />tailings spigot spacing to provide for a maximum of 150 feet <br />between spigots, although the spacing may vary between 76 to 150 <br />feet, depending on the area. This spacing does not change either <br />the environmental protection aspects or reclamation of the <br />disposal area. We do not view this as a technical revision since <br />it is simply an operational change and does not reflect any change <br />in the performance or reclamation of the facility. <br />TR-020. Containment of the Make-U~ Water Tank Overflows <br />TR-020 states "the storage area will be approximately 151' x SZ"' <br />for the make-up water tank overflows. The actual storage area was <br />not built to this size because the area had to be slightly <br />decreased due to soft ground in the southwest corner. In the <br />southwest corner, the overflow storage area is adjacent to the <br />tank and overflows from the top of the tank would fall outside of <br />the storage area. In order to resolve this problem, an overflow <br />pipe was built into the tank. This overflow pipe comes out from <br />the tank near the top and guides the water directly into the <br />storage area before the tank itself can overflow. <br />If you have any questions about this please call me. <br />Sincerely, <br />,~ <br />Sally Hayes <br />Environmental Engineer <br />cc Anne Baldrige <br />