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TYP.
DETECTION PLACEMENT
LOOP NUMBERS
OFFSET FROM STOP BAR
112
35'
614
110,
624,634
220'
625, 635, 113
330'
CONSTRUCTION NOTES:
®1 FURNISH AND INSTALL TYPE PS SIGNAL POLE PER WSDOT STANDARD PLAN J-20.16 AND DETAIL 1TS1.04D. FURNISH AND
INSTALL ONE PEDESTRIAN SIGNAL HEAD AND ONE APS PEDESTRIAN PUSH BUTTON WITH SIGN ON SIGNAL POLE.
1A FURNISH AND INSTALL TYPE PS SIGNAL POLE PER WSDOT STANDARD PLAN J-20.16 AND DETAIL 1TS1.04D. FURNISH AND
INSTALL ONE PEDESTRIAN SIGNAL HEAD AND ONE APS PEDESTRIAN PUSH BUTTON WITH SIGN ON SIGNAL POLE.
®2 PROTECT EXISTING TYPE III SIGNAL POLE, FOUNDATION AND ASSOCIATED EQUIPMENT IN PLACE. REFER TO LIGHTING PLANS
FOR LUMINAIRE AND LUMINAIRE BRACKET ARM DIRECTION.
2A PROTECT EXISTING TYPE PS SIGNAL POLE, FOUNDATION AND ASSOCIATED EQUIPMENT IN PLACE UNLESS OTHERWISE
SPECIFIED. REMOVE EXISTING PEDESTRIAN PUSH BUTTONS FROM EXISTING TYPE PS SIGNAL STANDARD.
2B FURNISH AND INSTALL TYPE PPB SIGNAL POST PER WSDOT STANDARD PLAN J-20.15 AND DETAIL 1TS1.04D. FOUNDATION
SHALL BE INSTALLED NEXT TO RAMP AND FLUSH WITH GRADE. FURNISH AND INSTALL ONE APS PEDESTRIAN PUSH BUTTON
WITH SIGN ON SIGNAL POLE.
2C FURNISH AND INSTALL TYPE PPB SIGNAL POST PER WSDOT STANDARD PLAN J-20.15 AND DETAIL 1TS1.04D. FOUNDATION
SHALL BE INSTALLED NEXT TO RAMP AND FLUSH WITH GRADE. FURNISH AND INSTALL ONE APS PEDESTRIAN PUSH BUTTON
WITH SIGN ON SIGNAL POLE.
®3 PROTECT EXISTING TYPE I SIGNAL POLE, FOUNDATION AND ASSOCIATED EQUIPMENT IN PLACE UNLESS OTHERWISE
SPECIFIED. REMOVE EXISTING PEDESTRIAN PUSH BUTTON FROM EXISTING TYPE I SIGNAL STANDARD. FURNISH AND INSTALL
APS PEDESTRIAN PUSH BUTTON WITH SIGN ON SIGNAL POLE. INSTALL PUSH BUTTON EXTENDER IF DISTANCE EXCEEDS 9
INCHES BETWEEN POLE AND BACK OF CURB.
®4 PROTECT EXISTING TYPE III SIGNAL POLE, FOUNDATION AND ASSOCIATED EQUIPMENT IN PLACE UNLESS OTHERWISE
SPECIFIED. REMOVE EXISTING STREET NAME SIGN. FURNISH AND INSTALL ONE THREE SECTION SIGNAL HEAD WITH ONE
SPECIAL SIGN AND ONE D3-103 SIGN ON THE EXISTING MAST ARM. MOUNT SIGNAL HEAD USING "ASTRO-BRAC" OR SIMILAR
CABLE MOUNTED BRACKET AND CLAMP. FIELD -DRILL A HOLE IN THE MAST ARM FOR CABLE ROUTING AND COAT EXPOSED
STEEL WITH ZINC -RICH PAINT. REFER TO LIGHTING PLANS FOR LUMINAIRE AND LUMINAIRE BRACKET ARM DIRECTION.
4A PROTECT EXISTING TYPE PS SIGNAL POLE, FOUNDATION AND ASSOCIATED EQUIPMENT IN PLACE UNLESS OTHERWISE
SPECIFIED. REMOVE EXISTING PEDESTRIAN PUSH BUTTON FROM EXISTING TYPE PS SIGNAL STANDARD. FURNISH AND INSTALL
APS PEDESTRIAN PUSH BUTTON WITH SIGN ON SIGNAL POLE. INSTALL PUSH BUTTON EXTENDER IF DISTANCE EXCEEDS 9
INCHES BETWEEN POLE AND BACK OF CURB.
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PROTECT EXISTING CONTROLLER CABINET, FOUNDATION AND ASSOCIATED EQUIPMENT IN PLACE UNLESS OTHERWISE
SPECIFIED.
PROTECT EXISTING SERVICE CABINET, FOUNDATION AND ASSOCIATED EQUIPMENT IN PLACE UNLESS OTHERWISE SPECIFIED.
ABANDON EX. VEHICLE DETECTION LOOPS ON THE NORTH LEG OF THE INTERSECTION PER WSDOT SPECIFICATIONS AND
REMOVE ALL ASSOCIATED WIRING UNLESS OTHERWISE NOTED. VEHICLE DETECTION MUST BE IN OPERATION AT ALL TIMES
DURING CONSTRUCTION. THE CONTRACTOR SHALL INSTALL A TEMPORARY VIDEO DETECTION SYSTEM BEFORE DISABLING
EXISTING IN -PAVEMENT DETECTION. THE CONTRACTOR SHALL SUBMIT THE DESIGN OF THE TEMPORARY VIDEO DETECTION
SYSTEM FOR THE ENGINEER'S APPROVAL BEFORE INSTALLING IT.
REMOVE EXISTING JUNCTION BOXES, CONDUIT ELBOWS AND ALL ASSOCIATED WIRING. BACKFILL VOID.
REMOVE EXISTING SIGNAL POLE AND EQUIPMENT. REMOVE FOUNDATION IN ITS ENTIRETY AND BACKFILL VOID. REMOVE AND
SALVAGE ALL SIGNAL EQUIPMENT. RETURN ALL SALVAGED SIGNAL EQUIPMENT IN ITS EXISTING CONDITION TO WSDOT UNLESS
OTHERWISE NOTED.
FURNISH AND INSTALL A NEW TYPE 1 JUNCTION BOX PER WSDOT STD. PLAN J-40.10.
INTERCEPT EXISTING CONDUIT AND EXTEND TO NEW JUNCTION BOX.
PROTECT EXISTING LOOPS IN PLACE.
FURNISH AND INSTALL A NEW TYPE 2 JUNCTION BOX PER WSDOT STD. PLAN J-40.10.
REMOVE WIRES AND ABANDON EXISTING UNDERGROUND CONDUIT.
PROGRAM DETECTION SOFTWARE SO THAT LOOPS 911 AND 912 MUST CALL THE CONTROLLER SIMULTANEOUSLY TO ACTIVATE
QUEUE JUMP PHASE 9.
FURNISH AND INSTALL IN -PAVEMENT LOOP DETECTOR PER WSDOT STD. PLAN J-50.11.
INSTALL TYPE 3 INDUCTION LOOP VEHICLE DETECTORS IN CENTER OF THE LANES IN ACCORDANCE WITH WSDOT STANDARD
PLAN J-50.12. INSTALL LOOP SPLICE IN JUNCTION BOX IN ACCORDANCE WITH WSDOT STANDARD PLAN J-50-05.
EXISTING JUNCTION BOX TO REMAIN. PROTECT IN PLACE DURING CONSTRUCTION.
O O1 LOOPS THAT ARE ENCLOSED IN A DASHED RECTANGLE SHALL BE SPLICED TOGETHER IN SERIES IN THE NEAREST JUNCTION
L___ I BOX.
N
/ 0 0' 20' 40'
23 0
/I 4\ N 12 DEVELOPMENT ENGINEERING
T T 18 Michael Sippo 09/11 /2024 will „ _
i a- SCALE. 1 - 40
T-4214109
AD -READY SUBMITTAL
DESIGNED: APPROVED: METRO TRANSIT CAPITAL DIVISION DATE:
7
wEG� J. DOWDS BENNETT G. FRANCO RAP I D RI D E I LINE JUNE 2024
(425) 453-5000 DRAWN:
cob1100 112TH AVE NE, SUITE 500 Q,�ti �c�� •
BELLEVUE, WA 98004 � 1 �� � P. OSUNA King County
/ CHECKED: PROJECT NO: R E N TO N SEGMENT DRAWING NO:
41141 ti � R. JAHNS E00566E18METRO DETECTION PLAN 1 TS 1.04B
No. REVISION BY APP'D DATE ZONAL CHECKED: CONTRACT N0: TAL BOT RD S & I-405 S B OFF RAMP SHEET NO: OF
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