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GATEWAY NORTH INDUSTRIAL AIRPORT ALTERNATIVE RUNWAY ALIGNMENT Background The Airport Master Plan Study evaluated alternative alignments o~ the primary runway and recommended an orientation of 16-34 (160 -340 ) similar to the existing NW/SE runway. After the study was com- pleted,the Prestressed Concrete property became available through bankruptcy. The Council commissioned Hakanson Anderson Associates to explore the feasibility of utilizing the property with a new runway alignment which would lessen the impact on residents to the north of the airfield. Two new alignments were explored and an alignment which shifted the ru~way approximately 700'. south with a southeasterly rotation of 13 30' was presented to the Council as the better of the two new alignments using the "Prestress" property. The 15-33 alignment was further compared to the Master Plan alignment through a preliminary assessment. Figure 1 illustrates both runway alignments. The results were presented to the Council last December. The 15-33 alignment was also submitted to FAA for airspace feasibility determination. Their response is attached. No further action has been taken. Results of Preliminary Analysis The preliminary analysis evaluated the advantages and disadvantages of the 16-34 Master Plan alignment and the 15-33 "Prestress" alignment. The following factors were used in the preliminary assessment: Wind coverage Impact on residents and businesses Property acquisition Costs Zoning impacts Wind coverage was essentially the same for both alignments. Under the Master Plan alignment two commercial properties, MacGregor's and Tom Thumb, are recommended to be acquired. Neither of these properties would be acquired under the 15-33 alignment. The Master Plan alignment requires the acquisition of 14 conventional homes to the north. The alternative would require the acquisition of three conven- tional homes to the north. The southward shift and rotation, however, impacts a conventional home and 14 or 15 mobile homes lying outside of the 2,000' clear zone but within Safety Zone A, an area of no development. There is the possibility that these homes may be grandfathered in, however, development restrictions are so severe in Zone A, that it essentially constitutes a "taking". The State's policy has thus been to acquire all developable lands within Zone A.