11831 AIRPORT RD WHOLE SITE FILE 2020-01-21

Prior to scheduling a turn-on date, the Contractor shall provide verification to the Engineer that tests 1, 2, and 3 as specified in this section have been completed. Section 8-20.3(11), is revised as follows: In the fourth paragraph, replace all references to "Contracting Agency electronics technician" with "Operating Agency signal technician". The following is added to the end of Section 8-20.3(11): On the same day, and following successful turn on, the Contractor shall adjust all optically-programmed signal heads and all louvered signal heads, as directed by the Engineer. Additionally, the Contractor shall remove all conflicting signs and signal equipment not specified to remain, as directed by the Engineer. 8-20.3(13) Illumination Systems (To Be Determined) 8-20.3(14) Signal Systems Section 8-20.3(14)is revised as follows: 8-20.3(14) Signal Systems (PART A) These Special Provisions are based on Snohomish County requirements and apply to all work completed within the City of Bothell and the City of Everett, for the following bid items: "SR 527 at 208th Street SE (SR 524) Temporary Traffic Signal System, Complete." "SR 527 at 208th Street SE (SR 524) Traffic Signal Modifications, Complete." "Airport Road at SR 99 (Evergreen Way) Traffic Signal Modifications, Complete." "Airport Road at 112th Street SW Traffic Signal Modifications, Complete." "Airport Road at Kasch Park Road Traffic Signal Modifications, Complete." "Airport Road BAT Lane Illumination System, Complete" Section 8-20.3(14)B, the firstparagraph is supplemented with the following: Signal head shall be covered before the signal turn-on. If there are yellow tapes on the back plates, the whole assembly shall be covered completely. Section 8-20.3(14)C is supplemented with the following: Item 4 is supplemented as follows: The loop locations shall be marked on the pavement by the Contractor and approved by the Engineer prior to sawcutting. At no point shall any of the sawcuts pass closer than 12 inches to any utility cover. 20 Swift II BRT Boeing to Canyon Park Station—Traffic Signal 90%Special Provisions—12/1/2016