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08/20/2009 14:36 9703858361 <br />DEPARTMENT OF TRANSPORTATION <br />TRAFFIC AND SAFETY UNIT <br />REGION 6 <br />3803 N. Main Avenue, Suite 100 <br />Durango, CO 81301 <br />(907)385-8380 <br />Fox(970)385-8361 <br />August 20, 2009 <br />V Division of Reclamation, Mining, and Safety <br />1313 Sherman Street, Room 215 <br />Denver, CO 80203 <br />Fax 303-832-8106 <br />CDOT <br />PAGE 01/01 <br />?4AQ <br /> <br />DRMS Permit: M-1980-146 <br />RECrrfVED <br />AUG 2 n `LUU:" <br />QiVi0on of Reclamation, <br />Milling and Safety <br />RE: C&J Gravel Products, Inc. 27661 Hwy 160-E, Durango, CO 81301 Application to amend Regular 112 <br />Construction Materials Operation Reclamation Permit M1980-146 <br />To Whom it may Concern: <br />CDOT receive the Public Notice regarding the C&J Gravel Products Application to amend Regular 112 <br />Construction Materials Operation Reclamation Permit M1980-146 and have the following comments: <br />1. It is our understanding that this amendment adds additional area for mining to the existing perrtr,it, which <br />may be considered a change in use of the activity, CDOT is requesting traffic information regarding <br />number of Tons/day being hauled out of the pit from the access at US 160 to evaluate laze warrant <br />requirements. <br />2. An inressing_riaht turn lane is warranted when peak hour passenger car volumes exceed 25 vehicles per <br />lout (vrfh). A tandem dump truck (54,000 Lbs GVW)is equivalent to 2 Passenger Car Equivalents <br />(PCE's) and a belly dump (85,000 lbs GVW) is equivalent to 3 PCE's. This threshold is calculated using <br />all .land. uses associated with the access. A right turn deceleration lane should be constructed or, other <br />access alternative should be constructed before this peak !tour lane warrant is met. <br />3. Current existing auxiliary lanes include an in ressi,ng left turn deceleration lane into the pit and an <br />eressing left-turn acceleration lane out of the pit. <br />4. C&J Gravel has expressed interest in an, alternative access to this pit from the east that would tie into the <br />interchange being constructed by CDOT. This access alternative is likely not going to be available for a <br />few years. There is the possibility that C&J Gravel could develop interim access using portions of the <br />partially completed of the interchange. CDOT encourages this interim solution. <br />I can be reached at 970-385-3624 if you have any questions. <br />Sincerely, <br />Jam. es B. Horn <br />Access Manager <br />Xc: Helen. Mary Johnson, BLM; Pile