617.5 Maintenance Planning Guidelines for Concrete Traffic Barriers
617.5.1 Maintenance Planning Guidelines for Replacing Concrete Traffic Barriers
These Maintenance planning guidelines apply to both major and minor roads.
| Code: R227 |
Definition The time and expenses incurred for installing and maintaining fences along the roadway, guardrails and end treatments, guardcable and impact attenuator devices for roadside obstacles as well as all costs to maintain concrete traffic barriers, sidewalks and bicycle paths and raised pavement markers.
Purpose To replace damaged and/or displaced concrete traffic barrier sections.
Scheduling Replace the first possible normal working day.
Recommended Equipment
- Boom truck and/or loader
- Dump truck or flatbed truck
- Air compressor/drill
- Traffic Control Equipment, refer to Traffic Control for Field Operations.
Recommended Material
- 10 ft. precast barrier sections
Recommended Procedure
1. Place traffic control devices as needed.
2. Remove damaged sections and straighten, remove or cut off dowel bars.
3. Place new barrier and secure by either cable or pins.
4. Clean area and load debris.
5. Remove traffic control devices.
Safety Care should be used in handling the heavy barrier sections. Wear all appropriate Personal Protection Equip (PPE). Refer to Safety Policies, Rules & Regulations-Employee Handbook .
Other Considerations None.
Reference Sec 617
617.5.2 Maintenance Planning Guidelines for Repairing Concrete Traffic Barriers
These Maintenance planning guidelines apply to both major and minor roads.
| Code: R227 |
Definition The time and expenses incurred for installing and maintaining fences along the roadway, guardrails and end treatments, guardcable and impact attenuator devices for roadside obstacles as well as all costs to maintain concrete traffic barriers, sidewalks and bicycle paths and raised pavement markers.
Purpose To repair cast-in-place concrete traffic barrier.
Scheduling Minor damaged areas may be scheduled in groups. Extensively damaged sections should be repaired the first normal working day with temperatures above 40oF.
Recommended Equipment
- Boom truck and/or loader
- Dump truck
- Air compressor/drill
- Concrete mobile
- Concrete mixer
- Concrete saw
- Chop saw
- Cutting torch
- Traffic Control Equipment, as needed.
Recommended Material
- Paraffin oil (paraffin base)
- Bonding compound
- Cement, sand, rock, water
- Curing compound
- Concrete accelerator
- Ready-mix concrete
Recommended Procedure
1. Place traffic control devices as needed.
2. Clean broken concrete surface or use concrete saw to square up the broken area.
3. Replace damaged rebar.
4. Oil and set forms.
5. Apply bonding compound to existing surface of old concrete.
6. Mix and place 7-sack mix of concrete. Do not use Duracal.
7. Finish and apply curing compound.
8. Clean work area.
9. Remove traffic control devices.
10. Remove forms after 4 days or when desired strength is reached.
Safety Watch for traffic in adjacent lanes. Wear all appropriate Personal Protection Equip (PPE). Refer to Safety Policies, Rules & Regulations-Employee Handbook.
Other Considerations Replace any damaged or missing traffic control devices.
Reference Sec 617
