APPROVED TCP GRE 234TH SOUTH SIDE234TH ST SW UTILITIES WORK SOUTHSIDE TRAFFIC CONTROL PLAN
NOTES
1. A TMA is required for roadway 45 mph or higher. For roads 40 mph or less -
If a TMA is not available, the protective work vehicle shall be strategically located in
the field to shield workers and no roll ahead distance is specified.
2. Extend device taper across shoulder.
3. Devices should not encroach into adjacent lanes, see sheet TCP16 for
encroachment detail. The 2' lateral buffer is recommended.
4. Use transverse devices in closed lane every 1000' - when work operation
allows.
5. Traffic safety drums or tall channelization devices required for all lane
closures tapers on roadway 45 mph or higher. (Half spacing required for tall
channelization devices).
6. When used, device spacing for the downstream taper should be 20' O.C.
7. Coordinate with Region Traffic office for work hour restrictions.
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°Soundgftss originating from temporary construction sites as a result of construction
activity are exempt from the noise limits of ECC Chapter 5.30 only during the hours 01
7:00am to 6:00pm on weekdays and 10:00am and 6:00pm on Saturdays, excluding
Sundays and Federal Holidays. At all other times the noise originating from
construction sites✓activdies must comply with the noise limits of Chapter 5.30, unless
a variance has been granted pursuant to ECC 5.30.120."
ALL WORK IS TO TAKE PLACE DURING OFF PEAK HOURS OF 9AM TO 3PM
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500,
Date: 10/26/2019 Author: Elite Traffic Solutions LLC Project: Highway 99 Apartments
Comments:
Traffic Control Plan, Permit #
L The traffic control plan is for the work of utilities on the south side of 234th ST SW.
540' The work will require a One Lane. Two Way with Flagger and Uniformed Police Officer.
Working hours are proposed 7:00am-6:00pm.
Contact:
An Lee, Proiect Manaeer. GRE. ileeZ000dmanre.com. 206-375-3986
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Elite Traffic Solutions
206.922.9205
Christina Moullet
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MPH
TAPER
SIGN SPACING
TAPER
TAGENT
45
540'
500'
30'
60'
MPH TAPER
SIGN SPACING
TAPER
TAGENT
25 125'
200'
20'
40'
SHIFT TAPER = 1/2 TAPER
SHOULDER TAPER = 1/3 TAPER
All Signs & Spacing to conform to the MUTCD & The City of Edmonds Standards
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CHANNELIZING DEVICE SPACING (FEET]
MPH TAPER TANGENT
60170 40 80
35145 30 60
26130 20 40
MINIMUM TAPER LENGTH (L) IN FEET
Lane I Posted Speed (mph)
Width
Feet 25 30 35 40 45 50 55 60 65 70
10 105 150 205 265 450 1 500 550
11 115 165 1 225 1 295 495 1 550 605 660
12 125 180 245 320 540 600 660 720 780 840
SIGN SPACING=X (FEET) (1)
FREEWAYS & EXPRESSWAYS
55170 MPH
1500±(OR AS
PER MUTCD
RURAL HIGHWAYS
60165 MPH
8001±
RURAL ROADS
45155 MPH
5001±
RURAL ROADS & URBAN ARTERIALS
35140 MPH
350'±
RURAL ROADS, URBAN ARTERIALS
RESIDENTIAL & BUSINESS DISTRICTS
25130 MPH
200'±(2)
URBAN STREETS
25 MPH OR LESS
100'±(2)
ALL SIGNS ARE 48" X 48" BLACK ON ORANGE UNLESS OTHERWISE
DESIGNATED.
(1) All spacing may be adjusted to accommodate interchange ramps,
at -grade intersections, and driveways.
SERVICE TRUCK
- ACCORDANCEWITH
30 MIN i
FLAT BED, ETC,
MANUFACTURER
RECOMMENDATIONS
1
ROLL AHEAD STOPPING DISTANCE ASSUMES DRY PAVEMENT
'A PROTECTIVE VEHICLE 15 RECOMMENDED REGARDLESS IF A TMA IS AVAILABLE, IF NO TMA 15
USED, THE PROTECTIVE VEHICLE SHALL BE STRATEGICALLY LOCATED IN THE FIELD TO SHIELD
WORKERS AND NO ROLLAHEAD DISTANCE IS SPECIFIED.
I
236TH ST SW
1. 234TH ST SW UTILITIES WORK SOUTHSIDE TRAFFIC CONTROL PLAN SHEET 3 of 3
ALL WORK IS TO TAKE PLACE DURING OFF PEAK HOURS OF 9AM TO 3PM
SHIFT TAPER = 1/2 TAPER
SHOULDER TAPER = 1/3 TAPER
All Signs & Spacing to conform to the MUTCD & The City of Edmonds Standards
EVISED I11W20
Elite Traffic Solutions
206.922 9205
Christina Moullet
i LmnQa
10/01/202018:1653