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Western Washington Division Eastern Washington Division
165 NE Juniper St., Ste 201, Issaquah, WA 98027 407 Swiftwater Blvd., Cle Elum, WA 98922
Phone: (425) 392-0250 Phone: (509) 674-7433
www.EncompassES.net
PECK SHORT PLAT
CONSTRUCTION MITIGATION DESCRIPTION
Project Location:
11806 SE 192nd St.
Renton, WA 98058
i. The proposed approximate construction start date will be Summer/Fall 202 5 with
an approximate completion timeline of 3 months.
ii. Hours of construction operation will be Monday through Friday, between 7:AM and
5:PM.
iii. The proposed hauling and transportation route would likely be west on SE 192nd to 108th Ave
SE (SR- 515), then south to SE 208th St., head west transitioning to S. 212th Way, accessing
onto SR-167.
iv. Water trucks, street sweepers and any other requirements deemed necessary will be
implemented to minimize construction impacts.
v. There are no anticipated weekend, late night or holiday work hours proposed for the
construction or hauling at this time.
vi. Flag persons will be employed and signs will be installed for traffic control, when necessary.
WSDOT Standard Traffic Control Plan is attached. Methods will be adapted to the proposed
construction and route.
BUFFER DATA
LONGITUDINAL BUFFER SPACE = B
SPEED (MPH)
LENGTH (feet) 155 200 250 305 360 425 495 570 645 730
TRANSPORTABLE ATTENUATOR ROLL AHEAD DISTANCE = R
HOST VEHICLE WEIGHT
9,900 TO 22,000 lbs.
< 45 MPH 45-55 MPH
HOST VEHICLE WEIGHT
> 22,000 lbs.
SIGN SPACING = X (1)
RURAL HIGHWAYS 60 / 65 MPH 800' ±
RURAL ROADS 45 / 55 MPH 500'±
RURAL ROADS & URBAN ARTERIALS 35 / 40 MPH 350'±
RURAL ROADS, URBAN ARTERIALS,
RESIDENTIAL & BUSINESS DISTRICTS 25 / 30 MPH 200'± (2)
URBAN STREETS 25 MPH OR LESS 100'± (2)
(1) ALL SPACING MAY BE ADJUSTED
INTERSECTIONS AND DRIVEWAYS.
(2) THIS SPACING MAY BE REDUCED
ROADWAY CONDITIONS.
TO
IN
ACCOMMODATE
URBAN AREAS TO FIT
W20-7B (OPTIONAL IF
40 MPH OR LESS)
PROTECTIVE VEHICLE (WORK VEHICLE)
NO SPECIFIED DISTANCE REQUIRED
ROAD
WORK
AHEAD
PREPARED
TO STOP
ONE LANE
ROAD
AHEAD .
W20-1 T W20-7B
W20-7A W20-4
WORK
AREA EECJ
P <l aOOPP
T ONE LANE
ROAD
AHEAD T BE
PREPARED
TO STOP
W20-7A W20-7B (OPTIONAL IF
40 MPH OR LESS)
W20-4 W20-7A
ROAD
WORK
AHEAD
BE
PREPARED
TO STOP ONE LANE
ROAD
W20-7B
AHEAD
W20-7B
ROAD
WORK
AHEAD
W20-7B (OPTIONAL IF
40 MPH OR LESS) W20-4
CHANNELIZATION DEVICE
SPACING (FEET)
MPH TAPER TANGENT
50/65 10 TO 20 80
35/45 10 TO 20 60
25/30 10 TO 20 40
A FLAGGING STATION
N TEMPORARY SIGN LOCATION
U CHANNELIZING DEVICES
rrm PROTECTIVE VEHICLE
ONE-LANE, TWO-WAY TRAFFIC CONTROL
WITH FLAGGERS
NOTES
1. ALL SIGNS ARE BLACK ON ORANGE.
2. EXTENDING THE CHANNELIZING DEVICE TAPER ACROSS
SHOULDER IS RECOMMENDED.
3. NIGHT WORK REQUIRES ADDITIONAL ROADWAY LIGHTING AT
FLAGGING STATIONS. SEE THE STANDARD SPECIFICATIONS
FOR ADDITIONAL DETAILS.
4. SEE SPECIAL PROVISIONS FOR WORK HOUR RESTRICTIONS.
NOT TO SCALE
FILE NAME S:\Deslgn R P& S\4-Standards\2-Plan Sheet Llbrary\01-Publlshed PSL\(TC) Work Zone Traffic Control\(TC-1) One Lane Two Way Traffic Control with
PLOTTED BY
DESIGNED BY
ENTERED BY
CHECKED BY
PROJ. ENGR.
REGIONAL ADM.
FED.AID PROJ.NO.
Flaggers\TC-1.dgn
Washington State
Department of Transportation
TRAFFIC CONTROL PLAN
TC1