Department of the Interior, U.S. Geological Survey, 345 Middlefield Road,Mail Stop 285, Menlo Park, CA 94025-3591

54 -- FIBERGLASS HUT SOL 99WRQQ0028 DUE 040999 POC Geri Fiore, 650-329-4179 E-MAIL: gfiore@wr.usgs.gov, gfiore@wr.usgs.gov. Fiberglass Huts -- Huts are constructed utilizing the hand lay-up technique; the laminate schedule is as follows: 1. 20mills ISO NPG polyester gel-coat 2. One Layer 1-1/2oz. Mat. 3. Two layers 2408 BTI fabric 4. One layer 1-1/2oz. Mat. 5. All layers are saturated with polyester resin 6. 3/4" wood hardbacks are installed for eyebolt attach points and solar panel attachment 7. Wood and fiberglass 16" shelf is installed 8. Wood and fiberglass floor is installed 9. Interior of hut is gel-coated 10. Eight eyebolts are installed and fiberglass door is installed Huts are designed to house seismic telemetry equipment. This includes radio transmitters, VCOs (Voltage Control Osilators), batteries, solar panels, and associated electronics. The huts must withstand temperatures of as low as -40 degrees F and winds to 100 miles per hour. Huts are approximately 4 feet by 4 feet square and 5 feet tall. One side of the roof is cut at an approximate 45 degree angle to mount solar panels on and made of fiberglass (drawing provided). Posted 03/08/99 (W-SN305964). (0067)

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