2112.1DESCRIPTION
This Work consists of shaping, mixing, and compacting the Subgrade, as defined in 1103, “Definitions,” Subgrade. The work is not intended to repair embankment below the 6-inch Subgrade Preparation Layer.
2112.2MATERIALS — BLANK
2112.3CONSTRUCTION REQUIREMENTS
A General Repair Structures damaged by Contractor operations or negligence.
Scarify, mix, dry or add moisture (if necessary), and compact the top 6 inches of the Subgrade. Correct areas represented by failing tests. Comply with the drainage requirements of 2106.3A, “General” and any other additional drainage or dewatering requirements of the Contract. Remediation below the planned 6-inch Subgrade Preparation Layer to correct unstable conditions may be subject to 1402, “Contract Revisions.” As determined by the Engineer, the Contractor’s requirements to meet moisture and compaction Specifications for Subgrade Preparation are waived, if during subgrade compaction excess moisture is drawn up into the subgrade preparation Layer from below. Failure of the Contractor to comply with drainage and/or dewatering requirements which impact subgrade moisture will not relieve them of the moisture or compaction requirements. B Contractor QC Testing Test according to the Schedule of Materials Control. C Compaction Compliance Meet the requirements of Table 2106.3-1 and Table 2106.3-4. Achieve and maintain the compaction requirements, until placement of the next L ift. D Department Quality Assurance (QA) Testing Test according to the Schedule of Materials Control. Test for compaction in areas with the greatest rutting or deflection . Retest failing areas after correction. E Tolerances Finish the surface of each Layer within 0.05 feet above to 0.10 feet below the cross-section shown on the Plans before placing the next Layer.
2112.4METHOD OF MEASUREMENT
Engineer will measure Subgrade preparation by length, along the centerline of the embankment. Engineer will separately measure Work on each embankment on Divided Highways.
2112.5BASIS OF PAYMENT
The Contract Road station price for Subgrade preparation includes costs of testing and Subgrade preparation on embankment constructed as required by this Contract. The Department will pay for Subgrade preparation on the basis of the following schedule: Item No. Item Unit
2112.519 Subgrade Preparation Road station
Subgrade Preparation in other states
Get an email when 2112 changes
Minnesota revises spec sections through supplementals and new editions. We check this one every week and email you the day it changes. Free, no account.