Laserfiche WebLink
Annual Impoundment Certification Report <br />Mining Area New Horizon Mine <br />Date Inspected 19 March 2013 <br />Impoundment 009 <br />1. Are there any appearances of erosion, instability, structural weakness <br />or other hazardous conditions? No <br />If yes explain <br />2. The depth and elevation of any impounded waters at the time of <br />inspection: Water is not flowing through weep hole (Pond is Dry). Top <br />of water 5639.4 <br />3. Existing storage capacity of water in the impoundment (from lowest <br />weep hole or principal spillway) <br />1.53 Ac -Ft <br />4. Design storage capacity of water in the impoundment (from lowest <br />weep hole or principal spillway) <br />0.67 Ac -Ft <br />5. Any other aspects of the structure affecting stability, or required <br />maintenance? <br />No <br />6. Has structure been maintained as designed and in accordance with the <br />approved plan and the applicable regulations? Yes, Pond was <br />cleaned in Nov07 <br />If no explain <br />7. Inflow volume from a 10yr -24Hr storm: 1.65 Ac -Ft <br />8. Capacity of impoundment from lowest weep hole to riser: 4.68- <br />1.53 =3.15 Ac -Ft <br />PROFESSIONAL ENGINEER'S STATEMENT <br />I state that this pond was inspected and surveyed under my <br />supervision and all the information presented heron is true and <br />correct to the best of my knowledge and information <br />aZAe2 <br />Date Ross L. _yl a, CO P.E 28950 <br />F:\Eng \DATA \Word \pond- banks \NH2 \2013 Annual Impoundment Certification Report 2apri1 l3.doc <br />