DCPCUP-2016-02370 - Laserfiche WebLink

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Vehicle Bays Heating The four vehicle bays are heated with a direct fired natural gas makeup air unit that provides heat and makeup air for exhaust. The unit has a return air inlet indicating that the unit is capable of operating without 100 percent outside air intake. The unit has a wall mounted remote control panel located adjacent door into the original radio/dispatch room. General Exhaust General vehicle bay exhaust is located at the rear of the second bay from the south with the intake low near the floor and ducted to wall exhaust fan located high on the west wall. Vehicle Exhaust A Plymovent undercarriage rail system is installed for source capture exhaust from vehicles in the south three bays. A single drop location serves the north bay with a flexible extraction tube extending from the overhead duct. Air Filters Units There are two Air King recirculating filter units suspended high near the roof structure at the north and south vehicle bays. CNG Powered Vehicles The vehicle bay ventilation system does not meet the code requirements for parking CNG Powered Vehicles. HVAC DEMOLITION Office Areas • The two horizontal above ceiling furnaces and associated condensing unit will be removed. Exhaust fans serving the two shower rooms will be removed including exhaust ductwork to the building exterior. Wall or roof penetrations will be patched. Toilet room exhaust grilles and fans will be removed including exhaust ductwork to the building exterior. Wall or roof penetrations will be patched. Ductwork for supply, return and outside air including ceiling diffusers and grilles will be removed as coordinated with the building floor plan changes. Retain existing grilles, registers and diffusers for reinstallation where possible consistent with the new architectural plan. Page 2 of 4