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Borrow excavation shall be material approved by the Engineer as meeting the requirements for the particular embankments, backfill, or other use intended. Material which contains roots, root mats, stumps, or other unsatisfactory material will not be acceptable.
1018-2 APPROVAL OF BORROW SOURCE.
1. The approval of borrow sources furnished by the Contractor shall be subject to the requirement of Section 230.
2. The criteria for acceptance of the proposed contractor furnished borrow material is shown below.
I. Statewide Criteria: (See exceptions in II)
Only natural earth materials may be used as borrow material. Any other materials are subject to rejection (See II-b).
Soil with P.I. of 25 or less Acceptable
Soil with P.I. of 26 thru 35 Acceptable, but not tobe used in top 2 feet of embankment or backfill.
Soil with P.I. of more than 35 Not Acceptable
II. Exceptions to Statewide Criteria:
(a) Soils in the Coastal Plain (area described below) shall be accepted in accordance with the following:
Soil with P.I. of 15 or less Acceptable
Soil with P.I. of 16 thru 20 Acceptable, but not tobe used in top 2 feet of embankment or backfill.
Soil with P.I. of more than 20 Not Acceptable.
Areas Where Applicable:
Division 1 Entire Division except Northampton (West of I-95)
Division 2 Entire Division
Division 3 Entire Division
Division 4 Edgecombe, Wayne, Johnston (East of US 301), Wilson (East of I-95), Nash (East of I-95), Halifax (East of I-95)
Division 6 Bladen, Columbus, Robeson, Cumberland, Harnett
(South of NC 27)
Division 8 Scotland, Hoke, Moore (Southeast of US 15-501, NC 73, NC 211), Richmond (East of US 220 North and US 1 South)
Also applicable to the flood plains of the Roanoke, Tar, Neuse, Cape Fear, and Lumber Rivers and their tributaries which are outside the above described areas.
(b) Waste or by-products from industrial processes or mining operations are not acceptable except by specific, written approval of the Engineer. This includes soils overburden from quarries.
(c) When tested, soils having a pH of less than 5.5 or an organic content more than 4.0% may be rejected.
(d) When material is to be utilized for placing embankments or backfilling of undercut areas which are excessively wet, the material shall consist of Select Material Class II, III or IV.
III. Before final acceptance of the project,
the Contractor shall furnish the Engineer with a copy of a written
release executed by the property owner or his authorized representative
indication that the final condition of the source is acceptable
to the property owner. (See Standard Special Provisions)