S02 Solicitation Attachment D Temporary Traffic Control Standards.pdf

DEPARTMENT OF VETERAN AFFAIRS

VA Greater Los Angeles Healthcare System (VAGLAHS)

TEMPORARY TRAFFIC CONTROL

STANDARD

(TTCS)

FOR

VAGLAHS PROJECTS

Temporary Traffic Control Standard (TTCS) for VAGLAHS Projects Page i

Table of Contents Section 1: General

A. Purpose:

B. Definitions:

C. Requirements:

Section 2: Signs & Devices

D. Traffic Control Signs & Devices

E. Placement and Operation of Signs and Devices

F. Inspection and Maintenance of Traffic Control Devices

Section 3: Closures and Detours

G. Closures

H. Detours

Appendix A - Examples

Appendix B – Work Zone and Lay-Down Area Map

Temporary Traffic Control Standard (TTCS) for VAGLAHS Projects Page 1

Section 1: General Purpose:

This document is prepared using the California Manual on Uniform Traffic Control Devices (CAMUTCD) 2014 Edition. The purpose of this document is to provide procedure and standards for preparing temporary traffic control plans, for construction projects, and setting up temporary traffic control signs and devices on the VAGLAHS facilities during project execution phase.

Definitions:

Closure; refers to closure of roads, lanes, sidewalks, bike pathways, ramps, and other access paths.

Requirements:

1) Upon award of contract, the General Contractor shall be required to submit a Temporary

Traffic Control (TTC Form # CFG-VA-012) Plan to the VA through the Contracting Officer’s Representative (COR) for review and approval prior to mobilization or starting any construction operations. The Plan(s) must meet these Procedure and standards (except otherwise directed by the COR/PM).

2) The TTC Plan shall contain as a minimum, a map layout indicating the following:

• project location, surrounding buildings, parking lots, roads, and sidewalks

• Beginning and end of all closures (dates and location)

• Beginning and end of all detours (dates and location)

• Placement of traffic control signs and devices

3) To prepare a TTC Plan, Contractor shall use the most current VAGLAHS Work Zone and Lay

Down Area Map (sample shown in Appendix B) to identify all active and ongoing project operations on campus.

4) Contractor shall request the most current version of the Work Zone and Lay Down Area Map from the COR/PM.

5) Contractor shall complete and include the Temporary Traffic Control Plan Checklist in the TTC Plan submittal package.

6) Contractor shall not make any modifications or changes to the Plan, without approval from the VA COR.

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Section 2: Signs & Devices Traffic Control Signs & Devices

To promote safety and convenience for road users during project execution within the campus, the Contractor shall provide, as a minimum, one or more of the following signs and devices.

1) Signs: the following signs shall be reasonably placed in locations, as applicable to the project, within and outside the construction zone

a. Road Closed

b. Road Closed to Thru Traffic

c. Road Closed Ahead

d. Road Closed Use Detour

e. Road Closed to Thru Traffic Use Detour

f. Road Closed Ahead Use Detour

g. Road Closed Ahead

h. Lane Closed

i. Sidewalk Closed

j. Sidewalk Closed Use Detour

k. Detour (with Arrow)

l. Building Access Sign (Indicate Building Number for Affected Buildings Only)

m. Bike/Pedestrian Detour

n. No Parking

o. No Parking (Specific Hours)

p. Do Not Enter

q. One Way

2) Devices: the following are traffic control devices that shall be used as applicable in addition to traffic control signs.

a. Barricade

b. Delineator

c. Channelizer

d. Tubular Marker

e. Traffic Cones

f. Caution Tapes

g. Changeable Message Sign (CMS)

3) Unless specified otherwise, the following shall be applicable to all signs and devices:

a. All traffic control signs shall have an orange background and a black legend

b. All traffic control signs and devices shall be retroreflective or illuminated to show the same shape and similar color both day and night.

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c. All traffic control signs shall be sized using CAMUTCD standard and the following table is provided as a guideline but in case of conflict, CAMUTCD standard shall be used.

Traffic Control Signs and Sizes Sign Typical Size (inches)

Road Closed 48 x 30 Road Closed to Thru Traffic 60 x 30

Road Closed Ahead 60 x 30 Lane Closed 30 x 30

Lane Closed Ahead 48 x 30 Detour (with Arrow) 36 x 12

Bike/Pedestrian Detour 30 x 24 No Parking 18 x 24

Do Not Enter 36 x 36

Placement and Operation of Signs and Devices

1) Where construction operations will require closure(s), Contractor shall place the appropriate traffic control sign and devices as described earlier. These signs and devices, shall be placed at the closest intersection(s) and close to the construction site and other locations as directed by the COR.

2) Traffic control signs shall be located on the right-hand side of the roadway where they are easily recognized and understood by the road users. Signs in other locations shall be considered only as supplementary to signs in the normal locations, except as otherwise directed by the VA COR.

3) These signs and devices shall be mounted securely. The location and legibility of the traffic control device shall be such that road users have sufficient time to make the proper response in both day and night conditions.

4) Traffic control signs and devices that are used on a part time basis, shall be in operation only during the time periods that they are required and shall be removed at the end of the workday before the Contractor and its crew leaves the work site.

Inspection and Maintenance of Traffic Control Devices

1) Traffic control devices and signs shall be inspected and properly maintained to ensure functionality.

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Section 3: Closures and Detours Closures

All closures shall be implemented as suitable to the construction period and aligned with this Standard. If the closure restricts ADA access, Contractor shall provide suitable alternative(s).

As required in the Scope of Work (SOW) or directed by the COR, Contractor shall provide a Flagger(s) to control vehicle traffic flow around the construction zone.

Detours In locations where are there more than one detour routes available, Contractor shall choose a detour route where an increase in traffic will not significantly disrupt critical/emergency services.

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Appendix A - Examples

Signs - Examples

Temporary Traffic Control Standard (TTCS) for VAGLAHS Projects Page 6

Delineators Channelizers Tubular Markers Traffic Cone

Devices - Examples

Barricades - Examples

Changeable Message Signs - Examples

Temporary Traffic Control Standard (TTCS) for VAGLAHS Projects Page 7

Appendix B – Work Zone and Lay-Down Area Map

*Contractor shall request a current version of map to be used and submitted with the TTC Plan for approval

* To prepare the TTC Plan, refer to CFG-VA-011 Temporary Traffic Control Plan