11831 AIRPORT RD WHOLE SITE FILE 2020-01-21

The hand and man and countdown symbols shall have a uniform appearance; individual LEDs shall not be visible. The hand and man symbols shall be on the left side superimposed and the countdown symbol on the right side. Except as noted in the following pre-approved list of this section, samples of each item shall be submitted to the Engineer for approval. Pre-approved list: Dialight product number 430-6479-001X Weep Holes Each pedestrian signal head shall have one downward-facing weep hole drilled in the bottom horizontal surface of the housing. Weep holes shall be 3/16" in diameter and shall not be blocked by any obstructions. No part of the housing or display is to be damaged when the weep holes are drilled. Accessible Pedestrian Signal(APS) Section 9-29.20 is supplemented with the following: Housings shall be die-cast aluminum and shall be painted with two coats of factory applied traffic signal yellow. Audible Pedestrian Indicators shall have an audible speaker, call confirmation LED, and vibrotactile arrow. The audible speaker shall be programmable to have a button locator tone, acknowledgment tone/message, walk cycle tone/message, and clearance tone/message. The unit(s) shall have automatic volume controls for message strength over ambient noise. The walk tone/message shall be programmable to stop with walk signal or user settable time. The device shall be user settable for APS message initiation with an extended press or on call. The controller unit shall be installed in the signal cabinet, or in the pedestrian head, as specified in the Plans and these special provisions. The pedestrian button/sign housing shall be traffic signal yellow. The device shall provide a pedestrian call contact closure duration suitable for operation with a NEMA Model 332 cabinet. Required and pre-approved list for inclusion in the following bid items: For the bid item, "SR 527 at 208th Street SE (SR 524) Temporary System AND Traffic Signal Modifications, Complete," which shall include the following two systems: "SR 527 at 208th Street SE (SR 524) Temporary Traffic Signal System, Complete" AND "SR 527 at 208th Street SE (SR 524)Traffic Signal Modifications, Complete"the following shall apply: Relocation and re-use of existing pushbutton stations in good working condition, as approved by the Engineer, is acceptable. The Contractor shall replace damaged or defective equipment with comparable equipment of a similar model at no additional cost to the Owner. Maintain existing voice to walk messages as indicated in the plans. The pedestrian button/sign housing at this location shall be traffic signal yellow. Polara EZCommunicator 4-wire Navigator APS System, with 9"x15" countdown sign, braille text and custom voice message. For the bid item, "Airport Road at SR 99 (Evergreen Way) Traffic Signal Modifications, Complete,"APS shall utilize existing equipment, to be relocated for the Traffic Signal System, as specified in the Plans. Swift Green Line—Corridor Stations Special Provisions SP203 May 2017