1. Copyright [insert date set by system] by [CH2M HILL entity] • Company Confidential
OPERATAION & MAINTENANCE OF
WORK ZONES
Santosh Kekane, Sr. Road Safety Audit Engr., CH2MHill
22nd January, 2015.
Presentation to P011 – East Corridor – Contractor Team
Live Bi-lingual (English + Chinese) Training to China Harbour Team

2. Important Information
•Presentation duration is about 1/2 hour
•Ask Questions during presentation - Interactive
•Switch off / Silent your mobile phones

3. CONTENT
3
Note – This presentation is adopted from Ashghal’s WZTMG Training Program with minor changes.

4.  The risks you face working in or next to
a roadway are serious but manageable,
if a plan is prepared and employed
appropriately.
 We are striving for consistency in how
we apply traffic control measures so the
driver is reasonably assured of what to
expect and how to respond.
 For the worker we want a work zone
that provides first for your safety and for
sufficient area to accomplish the
intended task, in an efficient and
professional manner.
WHY AREWE
DISCUSSING
WORK ZONE ?

5. Conflicts to overcome in Work Zones

6. WORK ZONE FUNCTIONS
All Work Zones are meant to offer 2 key function at site.
The functions ofTTM is to warn, control,
protect & guide road users through or around a
work zone. – WZTMGVer. 1.1., 2014

7. INFORMATION

8. PROTECTION

9. O & M of Work Zones

10. OperationalTools

11. Installation Procedure

12. Installation of Traffic Control Devices

13. MaintenanceTools

14. Work Zone Checklists
Process Safety
Review –
Biweekly
Safety Checklist –
Twice a week

15. Working at Night
• Visibility is greatly reduced at night.
• Your risk of getting injured or killed increases in the
dark.
• Drivers may be more tired, sleepy, and less attentive.
Hazards & Problems:
• poor visibility
• glare off lights
• adverse weather
conditions
• tired drivers
• inattentive workers

16. Some Bad Practices
At pedestrianized
area height of
signs to be
minimum 2.1 mGap in
Barriers

17. No reflective
sheeting /
delineation
Gap in
barriers

18. Improper Barrier Installation

19. Poor Sign Face Disconnected barrier
Poor Sign Installation No delineation at Barrier

20. 20