61-Sec 32 01 16.71 Asphalt Milling.pdf
PDF 69 KB Posted
- Attached to
- 2201256.01 - Whistlestop Park
- Solicitation number
- US.160528
- Issued by
- Montgomery County, Pennsylvania
About this file
This is a technical specification document for asphalt milling work issued by the Pennsylvania Department of Transportation (PennDOT) for use in state and local roadway construction projects, including the Whistlestop Park project in Montgomery Township, Pennsylvania. The specification covers the milling of existing asphalt pavement surfaces to specified depths using specialized equipment with automatic grade and slope control systems. The work requires contractors to mill surfaces to eliminate gouges, grooves, and ridges while maintaining specified surface tolerances, control dust through water application, and manage utility facility protection. Milled material must be picked up immediately and separated if oversize or chunky materials are present. Critical project timelines require that traffic be restricted from milled surfaces for no more than six calendar days, with overlay asphalt wearing course installation mandated within seven calendar days from the start of milling operations. Site conditions and specifications must comply with PennDOT Publication 408, the reference standard for all milling operations.
The specification requires contractors to perform all milling work in accordance with the latest edition of PennDOT Publication 408 standards and to satisfactorily dispose of all milled material. Contractors are responsible for using care around existing utility facilities and for repairing or replacing any damaged utilities to the satisfaction of utility owners. The specification does not establish specific pricing terms, set-asides, or funding sources within this technical section alone, as these elements are typically detailed in separate bid documents, contract conditions, and instructions to bidders provided through the PennBid online platform for individual Montgomery Township projects.
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Text version
ROADWAY MILLING
32 01 16.71-1
SECTION 32 01 16.71
ASPHALT MILLING
PART 1 GENERAL
1.01 SECTION INCLUDES
A. Milling of Asphalt Paving
1.02 DESCRIPTION OF WORK
A. This work is the milling of an existing asphalt pavement surface, with specified equipment, to the specified depth.
1.03 QUALITY ASSURANCE
A. Reference Standards:
1. Pennsylvania Department of Transportation: Publication 408 Specifications
B. Perform Work in accordance with the latest edition of PennDOT Publication 408.
PART 2 PRODUCTS
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 taper mill and 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 asphalt 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, resulting in chunky and non-uniformly milled material.
F. Separate oversize and chunky milled material as directed.
G. Apply water for dust control during milling operations and keep 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 asphalt wearing course within 7 calendar days from the start of the milling operation.
3.03 DISPOSITION OF MILLED MATERIAL
A. Contractor shall satisfactorily dispose of the milled material.
END OF SECTION
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