Post on 11-Jan-2016
description
Patching Potholes
Warm Springs Indian ReservationRoad Maintenance Presentation
50 # Bag Cold Patch vs Stockpiled Cold Mix Hauled From Batch Plant Near
Redmond Oregon
Pothole Route 53
Second Pothole on Route 53
Traffic Control For Pothole Patching Operation
Three Warning Signs on ApproachesFlagger Controlling Traffic in WorkzoneCones Protecting Workers from Traffic
Third Warning Sign North Approach
Second Warning Sign North Approach
First Warning Sign North Approach
Three Warning Signs On South Approach
Workzone (Flaggers and Equipment)
Workzone Layout (Flagger and Traffic)
Normal Method of Patching
• Cold Patch Ordered in Summer From Batch Plant Near Redmond, Oregon
• Truckloads Of Cold Patch Hauled to Stockpile at Road Maintenance Yard
• Material Loaded Onto Patching Trailer• Material Hand Placed in Cleaned Holes• Patch Compacted Prior To Opening for Use• Cost $40/ton at plant + $150 Haul Costs =
$50.71/ton for 14 ton Truckload Lots
Material in Stockpile
Patching Trailer in Shop Warming First Batch of Patching Material
For Morning Shift
Cleaning and Drying Potholes
Applying Emulsion (Tack)
Placing Cold Mix
Breaking Large Lumps
Heating Mix and Breaking Large Lumps
Raking Patch and Cleaning Next Area to be Patched
Compacting Outside Edge of Patch
Compacting Outside Edge of Patch and Drying Next Patch Area
Compacting Center of Patch and Cleaning Next Area to be Patched
Patched Pothole Route 53
2 Pallets of Patching Compound
QPR Patching Compound 50# Bag
Delivered Cost of 50# Bag QPR Patching Compound
QPR 50# Bags x 112 bags x $9.60/bag = $1075.20 Freight = $ 498.00 Total = $1573.20 / 2.8 tons = $ 561.86/ton
Advantages less preparation of pothole (cleaning drying and applying tack emulsion).Traffic will compact mix.Less Equipment needed to place patch.“Permanent” Repair of Pothole.
End of Presentation
Thank You