21608 HIGHWAY 99.PDF11111111111111
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21608 HIGHWAY 99
TRAFFIC CONTROL PLANS
CITY OF EDMONDS
S WIFT B US RAPID TRANSIT STA TIONS
OWNER: COMMUNITY TRANSIT
CONTRACTOR: WESTWATER CONSTRUCTION
RFSUB
FEB 4 2009
OUILDING DEPARWEN'T
CITY or. EDMOW;
NOTES ON TRAFFIC CONTROL PLANS
ALL SIDEWALKS THAT HAVE BEEN REMOVED WILL BE RAMPED
BACK UP TO MEET SIDEWALKS THAT REMAIN IN PLACE. THESE
RAMPS WILL MEET ADA REQUIREMENTS FOR SIZE AND SLOPE.
TRAFFIC CONTROL DEVICES AND SIGNS WILL BE SPACED AND
TAPERED ACCORDING TO THE ATTATCHED MUTCED CHARTS
Table 6C-1. Suggested Advance Warning Sign Spacing
Urban (low speed)* 30 (100) 30 (100) 30 (100)
Urban (high speed)* 100 (350) 100 (350) 100 (350)
Rural 150 (500) 150 (500) 150 (500)
Expressway / Freeway 300 (1,000) 450 (1,500) 800 (2,640)
Road Type
Distance Between Signs"
A B C
Speed category to be determined by highway agency
** Distances are shown in meters (feet). The column headings A, B, and C are
the dimensions
shown in Figures 6H-1 through 6H-46. The A dimension is the distance from the
transition or
point of restriction to the first sign. The B dimension is the distance between the
first and second
signs. The C dimension is the distance between the second and third signs. (The
third sign is the
first one in a three -sign series encountered by a driver approaching a temporary
traffic control
zone.)
Typical distances for placement of advance warning signs on expressways and
freeways should be longer because drivers are conditioned to uninterrupted flow.
Therefore, the advance warning sign placement should extend on these facilities as far as
800 m (0.5 mi) or more.
On urban streets, the effective placement of the first warning sign in meters (feet)
should range from 0.75 to 1.5 times the speed limit in km/h (4 to 8 times the speed limit
in mph), with the high end of the range being used when speeds are relatively high.
When a single advance warning sign is used (in cases such as low -speed residential
streets), the advance warning area can be as short as 3 0 rn (100 ft). When two or more
advance warning signs are used on higher -speed streets, such as major arterials, the
advance warning area should extend a greater distance (see Table 6C-1).
Since rural highways are normally characterized by higher speeds, the effective
placement of the first warning sign in meters (feet) should be substantially longer —from
1.5 to 2.25 times the speed limit in km/h (8 to 12 times the speed limit in mph). Since
two or more advance warning signs are normally used for these conditions, the advance
warning area should extend 450 m (1,500 R) or more for open highway conditions (see
Table 6C-1).
Option:
Advance warning may be eliminated when the activity area is sufficiently removed from
the
road users'
Table 6C-3. Taper Length Criteria for
Temporary Traffic Control Zones
Type of Taper Taper Length (L)*
Merging Taper at least L
Shifting Taper at least 0.5L
Shoulder Taper at least 0.33L
One -Lane, Two -Way Traffic Taper 30 m (100 ft) maximum
Downstream Taper 30 m (100 ft) per lane
* Formulas for L are as follows:
For speed limits of 60 km/h (40 mph) or less:
For speed limits of 70 km/h (45 mph) or greater:
Where: L = taper length in meters (feet)
W width of offset in meters (feet)
S posted speed limit, or off-peak
85th-percentile speed prior to work starting,
or the anticipated operating speed in km/h (mph)
Table 6C-3. Taper Length Criteria for
Temporary Traffic Control Zones
Type of Taper Taper Length (L)*
Merging Taper at least L
Shifting Taper at least 0.5L
Shoulder Taper at least 0.33L
One -Lane, Two -Way Traffic Taper 30 m (100 ft) maximum
Downstream Taper 30 m (100 ft) per lane
Formulas for L are as follows:
For speed limits of 60 km/h (40 mph) or less: L = WS2/155
(L = WS2 / 60)
For speed limits of 70 km/h (45 mph) or greater: L = WS/1.6 (L = WS)
Where: L = taper length in meters (feet)
W width of offset in meters (feet)
S posted speed limit, or off-peak
85th-percentile speed prior to work starting,
or the anticipated operating speed in km/h (mph)
MUTCD Guidance: The spacing of traffic cones should not exceed a distance in
feet equal to 1.0 times the speed limit in mph when used for taper channelization,
and a distance in feet equal to 2.0 times the speed limit in mph when used for
tangent channelization.
TRAFFIC CONTROL PLAN KEY
TYPE 3 BARRICADE
ARROW BOARD
REFLECTIVE CONE
E�t POLICE OFFICER FLAGGING
0
ET FLAGGER
LWORKER
4 ------------------------
DIRECTION OF LANE TRAVEL
TRENCH CROSSING
PEDEDSTRIAN DETOUR ROUTE BY DAY
EXAMPLE OF ROAD CONSTRUCTION SIGNS
EXAMPLE OF REGULATORY SIGN
APPROVED AS NOTED
py r-kintimr-r-mimn SB 216TH ST SW ANb SIR 99 (STATION 2754)
Date:
- 7
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THIS PLAN SHOWS CLOSING THE CURB LANE ON SR 99
AT 216TH. THE ONCOMING LANE INTO THE WORK
ZONE IS A TRANSIT THRU LANE AND WILL BE CLOSED BEFORE
216TH TO KEEP BUSES FROM MERGING IN THE INTERSECTION.
PEDESTRIANS WILL BYPASS THE SITE IN THE LANE CLOSURE
DURING WORK HOURS. THEY WILL BE METAND LED BYA FLAGGER
FOR THEIR SAFETY. THE SIDEWALKS WILL BE RAMPED UP AND RE -OPENED AT
NIGHT.
rl�
FEB - 4 2009
'3UILDING DEpARTME
STREET FILE CITY OF EDA40NDSN'
21608 HWY 99, EDMONDS 98026
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CONSTRUCTION NOTES
Q)-CONsrRUCTION- GRID -LINE- (FACE -OF- CURB).- SEE -
-
-
-
MATCH SPECIES OF EXIST. HEDGE TO REMAIN
18-24* STA\0+20.
TABLE ON SHEET CO.03 FOR BEARING.
PERMANENT EAS
TEMPORARY CONSTRUCTION M ENT-N STEP .63 " i , \ - -, 1 1,
To-, 4R�
TOE, up
CONSTRUCT ASPHALT PAVEMENT PER DETAIL ON
Q) SHEET C5.02.
0 STA 10 60.0 16.0' T .13 STA 10 00.0
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CONSTRUCT CEMENT CONCRETE CURB AND
21,
GUTTER PER DETAIL ON SHEET C5.02.
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CONSTRUCT CEMENT CONCRETE EXTRUDED TYPE
STA 10+60.0. 1 STA 10+00 1 IVRT
TOC=338.13 0
6 CURB PER WSDOT STD PLAN F-10.42-00.
TOC: 338.63 5
END IBEGIN
CONSTRUCT TYPICAL BUS PLATFORM. SHEETS
C5.01, C5.02, AND C5.03 FOR DETAILS.
M, 30
3
CONSTRUCT CEMENT CONCRETE SIDEWALK PER
WSDOT STD PLAN F-30.10-00.
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ASPHALT REPAIR PER DETAIL ON SHEET C5.02.
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CONSTRUCT CEMENT CONCRETE STAIRS PER
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INSTALL PARKING STRIPING PER WSDOT STD
PLAN M-17.10-01.
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CONSTRUCT CONCRETE RETAINING WAU- SEE
WALL TABLE ON SHEET C5.01 FOR WALL TYPE
AND DETAILS.
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ON SHEET C5.02.
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MATCH EXISTING
END STA 9+91.0 BEGIN
2- CRUSHED SURFACING TOP COURSE.
CONCRETE
age
2
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END BEG N
CONSTRUCT CEMENT DRIVEWAY
ENTRANCE TYPE I PER WSDOT STO PLAN
F-80.10-00.
BEGIN, 8- EDE SR99
APPROVED BY PLANNING
CONSTRUCT CEMENT CONCRETE DRIVEWAY
ENTRANCE TYPE 2 PER WSDOT SlD PLAN
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CONSTRUCT VERTICAL CURB SEE SHEET C5.01
FOR DETAILS.
8
JDl PROFILED PLASTIC WIDE LANE LINE PER WSDOT
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STD PLAN M-20.20-01.
4" WHITE DOTTED EXTENSION LINE PER WSOOT
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BUS ONLY STRIPING. SEE DETAIL ON SHEET
C5.03.
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BEGIN
END, 5.5- WIDE SFW zone GC-1"2,- Comer I," Plan
CONSTRUCT SIDEWALK RAMP TYPE 4A PER
WSDOT SM PLAN F-40.16-00.
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END Amd
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OAP, 7'RT BEGIN. 7' WIDE Front
PLATFORM EL 338.07
KAMH LL. "I.9tS 2 STA 10+65.0 Sides
MATCH EXISTING
YIELD LINE SYMBOL PER WSDOT STD PLAN
M-24.60-02.
CONSTRUCT PLATFORM RAMP PER DETAIL ON
SHEET C5.02.
INSTALL MANUFACTURED WHEEL STDP.
INSTALL RAISED PAVEMENT MARKER LANE LINE
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(L I Of Of
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STA 9+87.0 R
MATCH EXISTING
PER WSDOT STD PLAN M-SO.50-01.
CONSTRUCT SIDEWALK RAMP TYPE 2 PER
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0 - 5�
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IN 2' (IT?I)
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RESTORE DISTURBED AREA MTH TOPSOIL AND
BARK MULCH
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BEGIN
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RESTORE DISTURBED AREA TOPSOIL AND SI -
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110 '10
4" WHITE PLASTIC LINE
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0 - - - - - - - - - - - - - - - - - - -- �Lw - - - - -
0 0
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CONSTRUCT ASPHALT RAMP TO TRANSITION FROM
SIDEWALK GRADE TO EXISTING PAVEMENT GRADE.
GENERAL NOTES
Co (0 . (0
104 04
LLJ
�-"Mm
1� ALL SPOT ELEVATIONS ARE TO FINISHED
A
L)
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STA 10+600. 11.0 REC IVED
TOC=339.90
STA 10+00.0 11.0' END
0 TOC- 339.40
GRADE UNLESS NOTED OTHERWISE.
2. FOR COLUMN AND ICONIC MARKER
FOOTING ELEVATIONS, AND FOOTING
DETAILS SEE S SERIES SHEETS.
BEGIN
STA 10+50.0. 16.0'FRUT
TOC= 339.90 -W AUG 8 2001
AP
;;k 01 1 4 STA 9+95.7 18.5'RT
BEGIN
LEGEND
Incorporated
RIGHT OF WAY CENTERUNE
ROAD CENTERUNE
STA 16+58.8 lR9'RT
MATCH EXIST. PERMANENT EASEMENT'
END BUILDING DE".
RIGHT OF WAY
PROPERTY LINE
10230 N8 Points Dr #00
STA 10+00 1 6.0,RT MATCH EXIST.
0
v OC= 339 4
AP TEMPORARY CONSTRUCTION'lASEMENT
Kirkland, Twhb4tou 98033
Phone: 4225 822-4446
4 51
FAY, 827-9577
W�
WEB OTAK.COM
STA 10+30.0, 16.0'RL
STEP _0
TOC=339 90
TOC=339 40 STR�
El Fs, I E
10' 0. 20'
30986X
Project No.
C3.02
N,
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Drawing No.
�,S X
SCALE IN FEET
x
RECEOVED
'�5�A 8'2000
BUILDING DEPT.