Laserfiche WebLink
(Page 2) <br />MINE ID # OR PROSPECTING ID #: M_~ g»_naF <br />TNSPECTION DATE: rf9(na INSPECi'OR=S INITIALS: ~A.S- <br />OBSERVATIONS <br />1. A site inspection of the Greeley Pit (3S"' Avenue Pit) was conducted as part of the Division's 4year inspedlon program. <br />The pit is located ~/z mile northwest of Greeley immediately south of the Cache La Poudre River. Present during the <br />inspection was Kevin Moore and Mary Harnett of Lafarge West, Inc. <br />2, The 35"' Avenue Pit is permitted for a total of 369 acres. The mine plan specifies de-watering and dry mining methods. <br />The pit w111 be reclaimed to three (3) unlined ponds with a total water surface area of 245 acres. The pond shorelines will <br />be irregular and graded to a maximum steepness of 3:1. Surrounding areas will be topsoiled, then revegetated with a <br />grass mix and a variety of trees and shrubs. The operator has posted a financial warranty of $78,727 in the form of a <br />wrporate surety. The past-mining land use is recreation. <br />3. An entrance sign and affected land boundary markers were posted as required by Rule 3.1.12. <br />4. The 35"' Avenue Pit is an active operation with excavation currently occurring in the Phase 3,4,4,10,&iT areas. The <br />ope2tor is de-watering and dry mining as specified in the mine plan. Disturbances noted at the time of inspection-were <br />found to be within the permit area, in compliance with the mine plan, and are as follows: <br />A) A reclaimed pond of approximately 116.5 acres fn the Phase 1&2 areas. Shorelines have been adequately graded to <br />finlskcontoursandtopsoil~ Shoreline artd surcaundingslopeshave ~ott~een-revegetated: -Therein asubstantial <br />-- ---auinber aftar isruc-shrubs-arbursd-the pon~3lsaretlneJl'Pre DtvLsiaerconsiders tfie-pr~serirgofYamarbc to lx=a-problam <br />that will require corrective actions as tamarix is wnsidered to be a noxious weed in Colorado. Please see page 4 for <br />corrective actions. <br />e} A 27.5 acre pond in the Phase 3,4,5 area. Shorelines appear M be adequately graded to a 3:1 configuration. <br />C) A 5,5 acre pond in the Phase 5 area. <br />D) A 10 acre dry excavation of approximately 10' depth in the Phase 8 area, This Inspector estimates 2640 linear feet of <br />pit wall at a 1:1 slope, and 2200 cubic yards of fnish greding to achieve the desired 3:1 slopes. <br />E) A 32 acre dry expvation of approximately 32' depth in the Phase 3,4,9,10,&il areas. This inspector estimates 5000 <br />linear feet of pit wall at a 1:1 slope, and 46,296 orbit yards of finish grading to achieve the desired 3:1 slopes. <br />F) An asphalt plant, a large concrete plant, a large paved surface, an offtre and scales, and shop building. These <br />structures and associated concrete foundations will need to be removed during final reclamation. There was also 40,000 <br />tons of stockpiled broken asphalt, and 64,500 cubic yards of stockpiled broken concrete. The broken asphalt and broken <br />mnrrete will need to be either need to be processed into finished product, backfllled Into one of the pit excavations, or <br />removed offsite during final reclamation. <br />5. Ms. Harnett indipted that Lafarge West, Inc. has an approved temporary substitute suppty plan from the Office of the <br />State Engineer (OSE) for exposed groundwater at the site. <br />6. This inspector conveyed to the operator that one of the purposes of the inspection was to evaluate existing <br />disturbarkes and verify the adequacy the $78,727 financial warranty. As a part of this process, the operator volunteered <br />to provide demolition costs for the plant site, concrete plant, asphalt plant, paved surfaces, shop building, broken asphalt <br />stockpile, and broken concrete stockpile as these features are extensNe. This inspector emphasized that the demolition <br />costs will need to include removal of fuel tanks, paved or asphalt surfaces, buildings, concrete pads or foundations, truck <br />spies, water pumps, and any other features hat specfed in the reclamation plan. The operator also volunteered to <br />provide an accurate measurement of the following items: a) the number of linear feet and height of exposed pit wails, b) <br />volume of stockpiled topsoil, c) volume of broken concrete, and d) volume of broken asphalt. Ms. Harnett estimated this <br />information would be submitted to the Division by before March 1, 2003. <br />