ATT E STANDARD DRAWINGS.pdf

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Freeway

Use aggregate wedge when abrupt edge is 2 inches or greater.

four feet wide protect longitudinal abrupt edge as shown.

When paved shoulders adjacent to excavations are less than

NOTES:

shoulder, as far as practical.

Place cart / generator / power supply off of the on 10' spacing.

Use six tubular markers in shoulder taper outside shoulder, where practical.

Install Flagger Station Lighting beyond the

2" or GreaterExtg. pavement aggregate base rock

Shoulder or message sign (PCMS)

Portable changeable

20'

100'

4' B(III)R

Temp. Plastic Drums

Lighting

Flagger Station

50'

10'

Markers

28" Tubular

Place roll-up signs in advance of barricades.

plaques to the sign face using hook and loop fasteners.

If roll-up signs are used, attach the correct (CW21-9) throughout excavation area at spacings shown.

Continue signing and other traffic control devices

"RIGHT" (CW21-8C) riders with "LEFT" (CW21-8A) riders.

8' B(III)R barricades with 8' B(III)L barricades and replace the

If the excavation is located on left side of traffic, replace the abrupt edges of 1 inch or greater.

or other roadway work. Use abrupt edge signing for longitudinal

Abrupt edges may be created by paving, operations, excavations

GENERAL NOTES FOR ALL TCP DRAWINGS:

for max. spacing.

See TCD Spacing Table

Temp. Plastic Drums for max. spacing.

See TCD Spacing Table

28" Tubular Markers

UNDER TRAFFIC

UNDER CONSTRUCTION

TM09-01 01-JUL-2021

EXCAVATION ABRUPT EDGE SIGN (PCMS) INSTALLATION

PORTABLE CHANGEABLE MESSAGE

LIGHTING DELINEATION

FLAGGER STATION

Sl. 1:3

TAPER TYPES & FORMULAS

TEMPORARY BARRIER FLARE RATE TABLE

TAPER FORMULA

Merging (Lane Closure)

Shifting

Shoulder Closure

Flagging (See Drg. TM850)

Downstream (Termination)

"L"

"L"3 1"L"/3 or

50' - 100'

Varies (See Drawings)

"L"2 1"L"/2 or the Speed from the Tables below:

Use Pre-Construction Posted Speed to select

For Lane closures where W < 10', use "L" value for W = 10'.

Limit spacing adjustments to 30% of the "A" dimension for all speeds.

When necessary, sign spacing may be adjusted to fit site conditions.

Place traffic control devices on 10 ft. spacing for intersection and access radii.

NOTES:

SPEED (mph) MINIMUM FLARE RATE

M I N I M U M L E N G T H S T A B L E

"L" VALUE FOR TAPERS (ft) BUFFER "B" (ft)W = Lane or Shoulder Width being closed or shifted

20:1

19:1

18:1

16:1

14:1

12:1

10:1

9:1

8:1

FREEWAYS

SPEED (mph) W = 12 W = 14 W = 16

TRAFFIC CONTROL DEVICES (TCD) SPACING TABLE

20 - 30

35 - 40

45 - 55

60 - 70 700

100 100

15001000 2640

100 20

Device Spacing (ft)

Max. Channelizing Sign Spacing (ft) SPEED (mph)

A B C

CW21-8A

(As noted)

36x18

C W

(Mount on TSS)

(As needed)

42x18

CW21-8C

OR

C

W

Plaques

CW21-9

Abrupt edge

8' B(III)R 8' B(III)R

mi.4 1 mi.4

1 mi.4

EDGE

ABRUPT

RIGHT

LEFT

(Roll-up sign)

(As needed)

EDGE

ABRUPT 32x11

32x11

32x11

CENTER

RIGHT

LEFT

CALC. BOOK NO.

the current Oregon Standard Specifications

All material and workmanship shall be in accordance withNOTE:

DATE REVISION DESCRIPTION

OREGON STANDARD DRAWINGS

PCMS DETAILS

TABLES, ABRUPT EDGE AND

TM800

T M tm .d g n

JU

L

10≤ W

30≤

W/60, S = Speed, W=WidthS 45: L = WS, Speeds < 45: L = ≥ formula, for Speeds For Shoulder closures where W < 10', use "L" value for W = 10' or calculate "L" using

2 To be accompanied by Dwg. Nos. TM820 & TM821.

Combine drawing details to complete temporary traffic control for each work activity.

Do not locate sign supports in locations designated for bicycle or pedestrian traffic.

High speed highways have a pre-construction posted speed of 45 mph or higher.

Low speed highways have a pre-construction posted speed of 40 mph or less.

All other signs mounted on barrier sign supports shall not exceed 12 sq. ft. in total sign area.

All diamond shaped warning signs mounted on barrier sign supports shall be 36" by 36".

background of all temporary warning signs.

Use flourescent orange sheeting for the

All signs are 48" x 48" unless otherwise shown.

to indicate traffic movements.

Arrows shown in roadway are directional arrows sequential arrow boards.

Place a barricade approx. 20' ahead of all shown are the minimum required.

Signs and other Traffic Control Devices (TCD)

SDR DATE

TYPICAL ABRUPT EDGE DELINEATION

Smart Work Zone Systems

Portable Traffic Signals

Detail as shown is used for trailered and non-crashworthy components of:

barricade may be omitted when PCMS is placed behind a roadside barrier.

Use six drums in shoulder taper on 20' spacing. The drums and

Left shoulder, use Type B(III)L

Right shoulder, use Type B(III)R

Use the appropriate type of barricade panels for PCMS location.

Install PCMS beyond the outside shoulder, when possible.

gineer.

The selection and use of this

Standard Drawing, while de-signed in accordance with generally accepted engineer-ing principles and practices, is the sole responsibility of the user and should not be used without consulting a

Registered Professional En-

Effective Date: December 1, 2021 – May 31, 2022