914 Typical Roundabout Flagging Operation

1 3 FINISH OUTER EDGE OF PCCP SHOULDER WITH 2" RADIUS SAWED GROOVE ~ WIDTH 16" MIN, 5 16" MAX OVER MIDPOINT OF BAR PCCP SHOULDER IF REQUIRED SEE STD. SPEC 5-05.3(8)B TRAVERSE CONTRACTION OR 1 15' TYP CONSTRUCTION JOINT (TYP) DOWEL BAR ~ 1 2" DIAM x (SEE SECTION VIEWS) 18" LONG ON 12" CENTERS

LONGITUDINAL CONTRACTION D/4 OR CONSTRUCTION JOINTS (TYP) D/2 (SEE SECTION VIEWS) D LANE WIDTH

SECTION VIEW #5 TIE BAR ~30" LONG ON TRAVERSE CONTRACTION JOINT 1' - 6" 36" CENTERS TYPICAL ALL LANES LANE WIDTH DOWEL BARS ~ 1 3 1' 1 2" DIAM. x 18" LONG ON 12" SAWED GROOVE ~ WIDTH 16" 5 CENTERS TYPICAL ALL LANES MIN, 16" MAX DEPTH 1" MIN UNLESS NOTED IN THE PLANS SEE STD. SPEC 5-05.3(8)B 1' LONGITUDINAL JOINT 9" LANE WIDTH (SEE SECTION VIEW) HMA SHOULDER IF D/2

REQUIRED D 1 FINISH OUTER EDGE OF PCCP DOWEL BAR ~ 1 2" 1 SHOULDER WITH 2" RADIUS DIAM x 18" LONG ON NOTES: 12" CENTERS 1. MATERIAL - WSDOT CONCRETE CLASS 4000psi. SECTION VIEW TRAVERSE CONSTRUCTION JOINT PLAN VIEW

#5 BAR ~ 18" LONG 2' @ 12" SPACING 3" TO 4" SLAB 3 THICKNESS A SAWED GROOVE ~ WIDTH 16" MIN, 5 HMA (D) 16" MAX OVER MIDPOINT OF BAR

D PCCP 12" 5" SEE STD. SPEC 5-05.3(8)B D D/2 - 1" TIE BAR ~ #5 BAR x 30" 9" 3" TO 4" LONG ON 36" CENTERS

A CONSTRUCTION D/3 ELEVATION VIEW JOINT D/2

HMA TRANSITION DETAIL D

NO DOWEL BARS REQUIRED SECTION VIEW SLAB THICKNESS A LONGITUDINAL CONTRACTION JOINT EXISTING BRIDGE (D)

D THE LAST PCCP PANEL 12" 15"

A APPROACH SLAB D 1.25" - D 3 SAWED GROOVE ~ WIDTH 16" MIN, *USE ON GRANDULAR BASES ONLY, NO TAPER REQUIRED ON ASPHALT BASES 5 16" MAX DEPTH 1" MIN ELEVATION VIEW SEE STD. SPEC 5-05.3(8)B EXISTING APPROACH SLAB TRANSITION DETAIL

3 DRILL AND GROUT WHEN SAWED GROOVE ~ WIDTH 16" EXISTING PCCP HMA 5 WIDENING EXISTING MIN, 16" MAX DEPTH 1" MIN D PAVEMENT WITH PCCP SEE STD. SPEC 5-05.3(8)B

EXISTING PCCP PCCP D/2 SECTION VIEW

D PCCP TO HMA LONGITUDINAL JOINT 15" TIE BAR ~ #5 BAR x 30" LONG ON 36" CENTERS SECTION VIEW PCCP TO PCCP LONGITUDINAL CONTRACTION JOINT

STANDARD DETAIL NUMBER: 801 SCALE: NOT TO SCALE

APPROVED BY: TRICIA JUHNKE RIGID PAVEMENT CITY ENGINEER PUBLICATION DATE:03/01/2020 REVISION DATE:02/11/2020 Public Works RESTORATION 5' MIN. EXISTING ASPHALT EXISTING ASPHALT MATCH EXISTING (4" MIN) HMA CONCRETE SURFACE CONCRETE SURFACE 4" MIN HMA OR ATB SEE TABLE

EXISTING SUBASE

TRENCH BACKFILL. SEE NOTE 2. SAWCUT, SEAL TOP OF JOINT WITH AR4000W ASPHALT CEMENT. TACK FACE OF SAWCUT.

PAVEMENT CUT DIMENSIONS

MINIMUM CUT BEYOND TRENCH DEPTH (FT) TRENCH (FT) ALL FOUR SIDES

UP TO 4 1.0

MORE THAN 4 UP TO 6 1.5

MORE THAN 6 UP TO 8 2.0

10 2.5 12 3.0 14 3.5 16 4.0 18 4.5 20 5.0 PAVEMENT LESS THAN 10.0 5 YEARS OLD

NOTES:

1. ASPHALT CONCRETE MIX SHALL BE HMA.

2. ALL TRENCH BACKFILL SHALL BE CRUSHED SURFACING COURSE MATERIAL COMPACTED AT 95%. CDF MAY BE USED AS AN ALTERNATIVE.

3. SAWCUT LIMITS MAY BE REVISED BASED UPON EXISTING CONDITIONS. PATCH MAY NEED TO EXTEND TO CONFIDENT ASPHALT.

4. SAWCUTS NEED TO BE NEAT AND CLEAN PRIOR TO PAVING.

STANDARD DETAIL NUMBER: 802 SCALE: NOT TO SCALE

APPROVED BY: TRICIA JUHNKE CITY ENGINEER FLEXIBLE PAVEMENT PATCHING PUBLICATION DATE:03/01/2020 REVISION DATE:02/11/2020 Public Works