Part 1 — General
1.1 Section Includes
A.Rotomilling of the existing bituminous surface at the location and to the profile and cross-slope shown.
1.2 Related Sections
A.Section 02741: Asphalt Mix
1.3 REFERENCES Not Used
1.4 DEFINITIONS Not Used
1.5 Submittals
A.Submit for information the record of profile grades.
Part 2 — Products
2.1 Materials
A.Use the milled material obtained from the rotomill process passing a 2 inch sieve as optional use of Reclaimed Asphalt Pavement (RAP). Refer to Section 02741.
2.2 Equipment
A.Use power-operated track propelled planing machine or grinder:
1.Capable of milling to the plan cross slope.
2.Self-propelled with sufficient power, traction, and stability to maintain accurate depth of cut.
3.Maximum of ⅝ inch between the cutting teeth on the mandrel.
B.Use appropriate cleaning equipment capable of sweeping, picking up millings, and cleaning the vertical edge to clean up after milling operation.
Part 3 — Execution
3.1 Preparation
A.Measure and record profile grades during rotomilling operation:
1.Use a means that provides the required accuracy.
B.Achieve a rotomilled depth in the field of plan depth not to exceed an additional ¼ inch, measured from original surface to the top of the ridge.
C.Rotomill existing bituminous pavement surface to a depth below final profile and cross slope grade as shown.
D.Clean rotomilled surface after milling operation and before opening to traffic.
E.Remove and replace or repair damage by the Contractor’s operation outside the widths and depths as shown.
1.Repair damage to traffic due to loose material on milled surface.
F.Use a wire guide or other approved grade control methods to control the profile grade and cross slope of the rotomill.
G.Load the reclaimed material from milling operation into a truck in one operation.
1.Remove and clean all millings from the surface daily.
2.Control dust created by the cutting action.
H.Milled material is the property of the Contractor unless specified otherwise.
I.Dispose of the milled material
3.2 Clean and Repair
A.Remove and clean all millings from the surface daily.
1.Control dust created by the cutting action.
2.Clean rotomilled surface after milling operation and before opening to traffic. B Verify all milled surfaces are sturdy and sound.
1.Remove any material that is loose or not well bonded.
C.Dispose of the milled material.
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Source: Utah Standard Specifications for Road and Bridge Construction, 2027 Edition. Pages 880–881 of 1,343. View official source ↗