45-Sec 32 01 16.71 - MILLING OF BITUMINOUS PAVEMENT SURFACE.pdf
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- Attached to
- Heritage Hills WWTP Discharge Interconnection, Contract No. 6715-11 State and local contract opportunity
- Solicitation number
- Not on record
- Issued by
- Bucks County, Pennsylvania
About this file
This is a technical specification document for milling of bituminous pavement surface, prepared in accordance with PennDOT Publication 408, Section 491, for the Upper Makefield Township 2026 Road Program in Pennsylvania. The work involves milling of existing bituminous pavement surfaces to a depth of 1.5 inches at specified roads within the township. The project is structured as a base bid with three alternate bids, with specific roadways and quantities defined in Exhibits A, B, and C of Section 01 22 00 Measurement and Payment. The work scope includes milling operations, base repair, leveling course installation, manhole rim adjustments, and wearing course application across various roads within Upper Makefield Township.
The specification requires contractors to use milling machines designed specifically for this type of work, equipped with automatic grade and slope control systems and concrete patch milling capacity. The finished milled surface must be free from gouges, grooves, and ridges, with surface irregularities not exceeding 3/16 inch as verified by ten-foot straightedge testing. Contractors must pick up and move milled material immediately, exercise care around utility facilities, and keep the milled surface free of loose materials and dust. The overlay bituminous wearing course must be installed within seven calendar days of milling commencement, and traffic is prohibited on milled surfaces for more than six calendar days. Defective areas failing to meet surface tolerance requirements following final compaction will be considered non-compliant and subject to correction at the contractor's expense.
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Text version
MILLING OF BITUMINOUS PAVEMENT SURFACE
32 01 16.71-1
SECTION 32 01 16.71
MILLING OF BITUMINOUS PAVEMENT SURFACE
PART 1 GENERAL
1.01 SECTION INCLUDES
A. Milling of Bituminous Pavement Surface
1.02 DESCRIPTION OF WORK
A. This work is the milling of an existing bituminous pavement surface, with specified equipment, to a depth of 1-½ inches at the roads specified. Milling shall be completed in accordance with PennDOT Publication 408, Section 491.
PART 2 PRODUCTS
A. SECTION NOT USED
PART 3 EXECUTION
3.01 EQUIPMENT
A. Use a milling machine designed and built for this type of work. Provide a machine with an effective automatic grade and slope control system and having the capacity to mill concrete patches.
3.02 MILLING OPERATION
A. Mill so the finished surface is free from gouges, grooves, and ridges and is in accordance with the specified surface tolerance requirements, or as directed.
B. To facilitate traffic control, pick up and move milled material, as specified, immediately after the milling operations.
C. Use care to remove the existing bituminous material around all utility facilities within the work areas.
D. Repair or replace, to the satisfaction of the utility owner, utility facilities which are damaged by the milling operation.
E. Control the rate of milling to avoid tearing of the mat, which results in chunky and non-uniformly milled material.
F. Separate oversized and chunky milled material as directed.
G. Keep the milled pavement surface free of all loose materials and dust.
H. Do not allow traffic to drive on any milled surface for more than 6 calendar days. Install the overlay bituminous wearing course within 7 calendar days from the start of the milling operation.
3.03 SURFACE TOLERANCE
A. Test the finished surface with a ten (10) foot straightedge whenever Engineer suspects an area is deficient or irregular.
B. Use the straightedge at transverse joints and paving notches.
C. Hold the straightedge in successive positions parallel to the road centerline, in contact with the surface, and check the whole area from one side to the other, as necessary.
D. Advance along the pavement in stages of not more than one-half the length of the straightedge.
E. Correct irregularities of more than 3/16 inch.
F. For irregularities which develop before completion of rolling, correct by loosening surface mixture and removing or adding material, as required.
G. If irregularities or defects that cannot be corrected remain after final compaction, the affected area will be considered defective.
3.04 DISPOSITION OF MILLED MATERIAL
A. Satisfactorily dispose of the milled material.
END OF SECTION
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