Field Operations Guide - Kentucky Transportation Cabinet

SURFACE (A000)Mud Jacking (A440)RECOMMENDEDPROCEDUREFOG-3131. Discuss with crew the requirements of the job.2. Place traffic-control devices as necessary.3. Drill holes, using jackhammer or core drill.4. Clean holes, using compressed air.5. Mix slurry material.6. Pump slurry material into holes.7. Caution: Raise concrete slab or area being mud-jacked uniformly.8. Plug the holes.9. Clean roadway surface.10. Remove traffic-control devices.Note: This operation may be to fill voids, or it may be an attempt to raisea concrete slab to proper elevation. Void filling is relatively simple;however, raising a pavement requires the establishment of someelevation reference hubs or the provision of elevation measuring devices.Special Note: Determine accomplishment before leaving job site.10/11 Page 2 of 2