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1 I w. r i �' � -- y1? Feb 10 9 16 : 21 No - 003 W.0 r Project Description I Batching Ramsey Courtier InteriM Use PerM"t Concrete Crushingt Ramsey mse� County's Public Works Department is requesting an interim use permit to allow concrete i operations on a portion of a O acre County-owned percel located east of Dent crushing and batch mixing o p � � MOO materlais from Street and north of La entuer Avenue. Ttlese operations will alloy th a County t � tree � � � I t is anticipated ated that recycling the existing La entuer Avenue in the reconstruction of this roadway. p • th 9 � ers approximately Neither concrete concrete rnaten als will save Ramsey County and its to pay pP � crushing or concrete batch mixing activities would be allowed to occur at the same time as tree and stump grinding activities. • soda an interim use permit is not required to be consistent with According to section �t?1 .��of the � , et all of the�or��n e designation nation identified in the Comprehensive Plan, nor is it required to meet .g the land us +� district in which it is located. A request for an Interim use permit is standards established for the � . � reviewing are nest for an processed in the same manner as a request for a conditional use permit. In re e � q . attach con itlons and will establish a specific date or event that will interim use permit, the r may � ot�r�eil must a�sc determine the use on the property. In granting an interim use permit,the "Ity terminate � � - . - It in adversa impact on the public health and that the approval of the interim use permit. 1) will net result � . p f to the public, and 3) there am no additional costs added to the site that welfare, ��the operation is sae p would deter a permanent use at a later time. too operate the portable concrete crusher on the site from April Ramsey bounty Public Works proposes p . ��l of the concrete 't during 1998 and 1 g , and dunng the construction season in 2000 1 through May � ' n project oral �rit�r no other projects to be crushed will come from the Larpente ur Avenue reconstructio p J y „ • -bacW' on this activity. The concrete to be crushed would be stockpiled between being allowed to pi��y � i for new roadway . . with meshed concrete being stockpiled for reuse in the concrete mixed Y crushing visits, t � r will be crushed each r• for Lar enteur Avenue. Approximates 20,000 metric torts of concrete material p. - . concrete crushing would only be allowed sear1,11t�'1Ippfoll7litel � being crushed per day. , throe h�nda 1II�Ith hours of opemtlor�s Iirrrrted to 8.00 am to 500 durin the normal work r�ree (Monday � Y�� swill riot exceed 16 days per year. Water will be used to control p.m. The total number of crushing day dust during crushing operations. allowed on two separate occasions per construction season, for a period Concrete batch mixing would a p . , d pouring days per occasion. Batch mixing generally requires long hours of mixing an p g up to fie working p during these periods. Although specific times have not been established@ it is possible that the site mould operate from sunrise to sunset_ During this time, true would ld be entering and/or leaving the site ever] 2-3 minutes, and equipment would be used to load materials into the mixer and remove the final product resulting in back-up warning system noise. I in decibels (dB) range from 57.6dB to 64.6dB for the concrete recycling The projected sound lave s . • • n purposes, the measured sound levels for the tub grinder(taken during the activities. for corrrparrso p rp , from 60,1 dB to 7 .4dB:and the measurred we background sound demonstration on 1�1�� range daytime residential levels (taken on 1/30198 and 2/4198) range from 4.7dB to 68.4d B. The M P A y. gels for other uses include dB to 65d13 for background interstate traffic standard is ��, Sound le jet .Horse' 1 O5dB to 11 Od B far a roc# concert,-a nd 110d B to 120dB for a ai rpia ne. that it would notify effected residents In writing at least five days prior to the The County has indicated . concrete crushing or concrete batching activities, The original list of residents to be commencement of co �notified would be provided the Community Development Director, with the understanding that other residents could be placed on the notification list by contacting the County, • reviewed annual! If granted, the interim use permit would bar , including a review of south level� measurements and dust court levels- The interim use permit would expire December 31 P 2000. The ' could be revoked prior to this date for non-compliance with the specified conditions. interim use permit P