Airport Gate Operator Gate No. 35

The gate operator shall be a Linear Model VS-GSLG with appropriately sized motor and single phase 240 voltage. No other brands. 1. The slide gate operator shall use a microprocessor based solid-state control board that controls all functions of the slide gate operator. Operator shall be rated for continuous duty for use in commercial and industrial maximum-security applications and supplied with a heating unit for its proper operation during winter conditions. 2. Motor shall be directly coupled to the primary gear reduction system. 3. Primary reduction and power transfer shall be provided by a heavy-duty worm gear running in a continuous oil bath. 4. Operator limit switches shall be internally driven and shall not be accessible, easily tampered with or activated from outside the operator cabinet. 5. Pulling medium shall provide a positive mechanical connection to the gate system. Friction driven rail type pulling mediums shall not be allowed. Roller chain pulling medium shall be minimum size #50. 6. Operator shall function as a fail-secure device and shall provide a positive gate lock without the need of additional hardware or equipment. 7. Operator shall be capable of being mounted at the front, center, or rear of the gate system, shall be designed for either left- or right-hand mount and shall be designed for pad or pedestal mounting. 8. Operator housing shall use 12-gauge G90 galvanized steel to avoid rusting and shall be painted charcoal gray. 9. Two (2 safety edge bumpers. 10. Two (2) Vehicle Loop Detectors. 11. Removal of existing rollers and installation of four (4) new rollers. 12. The gate shall be provided with one (1) digital keypad entrance controller with a 4-digit access code, Linear AK-1 or approved equal. The unit shall be manufactured by Linear Access Key (760) 438-7000. 1. Replace existing keypad and wire from operator to keypad. 2. Existing gooseneck pedestal will remain in place.

Division 26 -	Electrical.
Division 32 -	Exterior Improvements, Fences and Gates, Gate Operators.