Res 1990-133 - Laserfiche WebLink

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PART IV PROJECT NARRATIVE San Marcos Municipal Airport occupies an important place in the Central Texas system of airports. It's prime location, at the midpoint between San Antonio and Austin, makes it uniquely situated to absorb an increasing share of general aviation activity in the region. In 1986, a full Instrument Landing System (ILS) was installed on the approach to Runway 12. The recently updated Airport Master Plan shows that the aircraft activity at San Marcos Municipal Airport is forecast to increase from the current 75,000 annual operations in 1987 to approximately 219,621 by the year 2005. In view of the Airport's geographic location and the increased level of activity projected for the airport, a major program of aviation facility preservation and improvement focusing on the reconstruction of existing runways and taxiways has been ongoing during the past five years; focusing upon the FAA-funded reconstruction of Runway 12-30, the construction of parallel taxiways, and the installation of precision instrument approach capabilities to Runway 12. In September of 1981 the FAA funded a replacement of the existing Runway 12-30 lighting system with a new medium intensity runway lighting system. In November, 1982 a notice to proceed with construction was issued and in July, 1983 a final inspection was held with subsequent approval, acceptance and close out of the grant. In early October, 1990 the Runway 12-30 lighting system began having significant runway light failures including failure of the existing 7 1/2 KW regulator. Escavation of several of the runway light transformers revealed that the transformer leads have insulation eaten through in several locations by fire ants exposing the bare wiring, causing the transformers to short out and fail. With numerous light failures, the regulator was subsequently damaged. The City has engaged an electrical contractor to perform a temporary repair until total system rehabilitation can occur. The City requests FAA participation in the immediate rehabilitation of the system. The City intends to enact a pest control program partially through the use of Brooks boxes to house the light transformer and pest control material. The City is requesting the FAA participate in this rehabilitation of the lighting system in FY90. Item No.1 - Rehabilitate Runway 12-30 M.I.R.L. with replacement of light transformers, adding Brooks boxes, ant kits, replacing the 7 1/2 KW regulator, testing all runway buried cable for continuity and, if necessary, replacing any damaged cables. This project is necessary to maintain the ILS Runway 12-30 in a safe and operational condition.