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r~ us Department of Transportation Federal Aviation Administration GREAT LAKES REGION/AGL-520 2300 East Devon Avenue Des Plainest Illinois 60018 IN I'tEPl Y REFER TO AERONAUTICAL STUDY N~ 87-AGL-1420-0E NOV 1 9 1987 ACKNOWLEDGMENT OF NOTICE OF PROPOSED CONSTRUCTION OR ALTERATION Till er Corp. d/b/a Commercial Asphalt Co. CONSTRUCTION LOCATION a: 10633 89th Ave. North PLACE NAME 0 Maple Grovet MN 55369 III z 0 Ramsey. MN CL III LATITUDE * LONGITUDE * 45013'29" 93026'08" DESCRIPTION Asphalt Plant HEIGHT (IN FEET) CONSTRUCTION ABOVE GROUND ABOVE MSL PROPOSED 75 946 The Federal Aviation Administration hereby acknowledges receipt of notice dated proposed construction or alteration described above. A study has been conducted under the provisions of Part 77 of the Federal Aviation Regulations to determine whether the proposed construction would be an obstruction to airnavigation, whether it should be marked and lighted to enhance safety in air navigation. and whether supplemental notice of start and completion of construction is required to permit timely charting and notification to airmen. The findings of that study are as follows: o The proposed construction does not require a notice to FAA. ro The proposed construction is not identified as an obstruction under any standard of FAR, Part 77, Subpart C and would not be a hazard to air navigation. o The proposed construction is identified as an obstruction under the standards of FAR, part?7, Subpart C but would not be a hazard to air navigation. o The structure should be obstruction marked and lighted per FAA Advisory Circular AC 70n460-1, "Obstruction Marking and Lighting." Chapters D Supplemental notice is required at least 48 hours before the start of construction and within five days atter construction reaches its greatest height (use the enclosed FAA form). October 7. 1987, concerning the This determination expires on MAY 1 3 1989 unless: (a) extended. revised or terminated by the issuing office; (b) the construction is subject to the licensing authority of the Federal Communications Commission and an application for a construction permit is made to the FCC on or before the above expiration date. In such case the determination expires on the date prescribed by the FCC for completion of construction. or on the date the FCC denies the application. NOTE: Any request for extension of the effective period of this determination must be postmarked or delivered to the issuing office at least 15 days prior to the expiration date. D The proposed construction would exceed Part 77 obstruction standards and further aeronautical study is necessary to determine whether it would be a hazard to air navigation. Pending completion of any further study, it is presumed the construction would be a hazard to air navigation. Further study: D Has been initiated by the FAA. D May be requested by the sponsor within 30 days of date of this acknowledgement. D If the proposed structure were reduced in height to not exceed ft. above ground level ( ft. above sea level). it would not exeed Part 77 obstruction standards. If the structure is subject to the licensing authority of the FCC, a copy of this acknowledgment will be sent to that Agency. NOTICE IS REQUIRED ANYTIME THE PROJECT IS ABANDONED OR THE PROPOSAL IS MODIFIE.D. * Coordinates based on site marked on map. o a\'~' 1 /' (2~' If~ "GN~ Heaps "" Manager, ISSUE~IN Des Pl a; nes. 111; no; s Airspace Brancht AGl-520 NOY 1 3 1987 ON F/1A FnRM 7460-7 :: P"I C:1If'rnc:rr>rc: pnr"I()IIC: rnlTl()N (p