HomeMy WebLinkAboutCM_ConstructionMitigationDescription_Skyhorse_210427_v1Skyhorse Short Plat
Construction Mitigation Description
The proposed construction start date will be approximately in the Summer of 2022 and completion will
be in about four months.
Hours of operation will be 7:00 AM to 4:00 PM Monday through Friday.
The proposed haul route will be west on SE 132nd and north on 162nd Ave SE to SE 128th St. A route map
is attached.
Water trucks, street sweepers and any other requirements deemed necessary would be implemented
for any impacts that may occur.
There will be no anticipated weekend, late night or any other specialty hours proposed for construction
or hauling at this time.
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.
K in g C oun ty
Date : 8/8/201 7 Notes:
±The informati on included on this map has been c ompil ed by King County s taff from a variety of sources and issubject to change without notice. King County makes no repr esentations or warr anties, ex press or implied,as to accurac y, completeness, timel iness, or rights to the us e of such information. T hi s doc ument i s not intendedfor use as a s urvey product. Ki ng County shall not be l iable for any general , special, indirect, incidental, orconsequential damages i ncl uding, but not li mited to, lost revenues or los t profits resulting from the us e or mi sus eof the information contained on this map. Any sale of thi s map or informati on on this map is prohi bited exc ept bywritten permi ss i on of Ki ng County.
FILE NAME
TIME
DATE
DESIGNED BY
ENTERED BY
CHECKED BY
PROJ. ENGR.
REGIONAL ADM.REVISION DATE BY
SHEET
OF
SHEETS
Washington State
Department of Transportation
P.E. STAMP BOX P.E. STAMP BOX
DATE DATE
LOCATION NO.CONTRACT NO.
JOB NUMBER
REGION
NO.
STATE FED.AID PROJ.NO.
WASH
PLOTTED BY
PLAN REF NO
liddelf
10/14/2016
1:39:43 PM
S:\Design R P& S\4-Standards\2-Plan Sheet Library\02-PSL Work in Progress\Fern\TC1 - TC-17 Buffer Data table replacement\TC-1.dgn
Plot 1
TC1
TRAFFIC CONTROL PLAN
LEGEND
W20-1
48"
48"
AHEAD
WORK
ROAD
48"
48"
TO STOP
PREPARED
BE
W20-7B
48"
48"
W20-4
AHEAD
ROAD
ONE LANE
48"
48"
W20-7A
W20-1
48"
48"
AHEAD
WORK
ROAD
48"
48"
W20-4
AHEAD
ROAD
ONE LANE
48"
48"
TO STOP
PREPARED
BE
W20-7B
48"
48"
W20-7A
ROADWAY CONDITIONS.
(2) THIS SPACING MAY BE REDUCED IN URBAN AREAS TO FIT
INTERSECTIONS AND DRIVEWAYS.
(1) ALL SPACING MAY BE ADJUSTED TO ACCOMMODATE
URBAN STREETS
35 / 40 MPH
25 / 30 MPH
45 / 55 MPH
60 / 65 MPH
48"
48"
W20-7A
W20-1
48"
48"
AHEAD
WORK
ROAD
48"
48"
W20-4
AHEAD
ROAD
ONE LANE
48"
48"
TO STOP
PREPARED
BE
W20-7B
50/65
TAPER TANGENT
10 TO 20
NOTES:
1.
MPH
SPACING (FEET)
CHANNELIZATION DEVICE
35/45
25/30
10 TO 20
10 TO 20 40
60
80
SIGN SPACING = X (1)
RURAL HIGHWAYS
RURAL ROADS
RURAL ROADS & URBAN ARTERIALS
RESIDENTIAL & BUSINESS DISTRICTS
RURAL ROADS, URBAN ARTERIALS,
25 MPH OR LESS 100' î€
200' î€
350'
500
800
2.
3.
4.
WITH FLAGGERS
ONE-LANE, TWO-WAY TRAFFIC CONTROL
NOT TO SCALEINTERSECTING ROADWAY40 MPH OR LESS)
W20-7B (OPTIONAL IF
40 MPH OR LESS)
W20-7B (OPTIONAL IF
40 MPH OR LESS)
W20-7B (OPTIONAL IF
PROTECTIVE VEHICLE
CHANNELIZING DEVICES
TEMPORARY SIGN LOCATION
FLAGGING STATION
300'
50' TOX
AREA
WORK
XMIN.
6 DEVICE
50' TO 100'
BRMIN.
6 DEVICE
50' TO 100'XX X X
X X X
XXXLONGITUDINAL BUFFER SPACE = B
SPEED (MPH)25 30 35 40 45 50 55 60 65 70
LENGTH (feet)250 305 360 425 495 570 645 730
BUFFER DATA
155 200
TRANSPORTABLE ATTENUATOR ROLL AHEAD DISTANCE = R
150'100'172'123'100'
9,900 TO 22,000 lbs.
HOST VEHICLE WEIGHT
> 22,000 lbs.
HOST VEHICLE WEIGHT
< 45 MPH 45-55 MPH > 55 MPH < 45 MPH 45-55 MPH > 55 MPH
PROTECTIVE VEHICLE (WORK VEHICLE) = R
NO SPECIFIED DISTANCE REQUIRED
74'
SEE SPECIAL PROVISIONS FOR WORK HOUR RESTRICTIONS.
FOR ADDITIONAL DETAILS.
FLAGGING STATIONS. SEE THE STANDARD SPECIFICATIONS
NIGHT WORK REQUIRES ADDITIONAL ROADWAY LIGHTING AT
SHOULDER IS RECOMMENDED.
EXTENDING THE CHANNELIZING DEVICE TAPER ACROSS
ALL SIGNS ARE BLACK ON ORANGE.