Article 1 — Description
Proof -roll earthwork, base, or both to locate unstable areas.
Article 2 — Equipment
2.1 Specified Equipment . Furnish rollers that weigh at least 25 ton when loaded. The maximum acceptable
load is 50 ton . Provide rollers that meet the requirements of Section 210.2.4., “Pneumatic Tire Rollers.”
2.2 Alternative Equipment . The Contractor may use alternate comp action equipment that produces results
equivalent to the specified equipment in the same period of time as approved. Discontinue the use of the alternative equipment and furnish the specified equipment if the desired results are not achieved.
Article 3 — Construction
Perform proof rolling as directed. Adjust the load and tire inflation pressures within the range of the manufacturer’s charts or tabulations, as directed. Make at least two coverages with the proof roller. Offset each trip of the roller by at most one tire width. Operate rollers at a speed between 2 and 6 mph, as directed. Correct unstable or nonuniform areas, if found, in conformance with the applicable Item.
Article 4 — Measurement
Rolling will be measured by the hour operated on surfaces being tested.
Article 5 — Payment
The work performed and equipment furnished in accordance with this Item and measured as provided under “Measurement” will be paid for at the unit price bid for “Proof Rolling.” This price is full compensation for furnishing and operating equipment and for labor, materials, tools, and incidentals.