Minnesota Administrative Rules
Agency 120 - Commerce Department
Chapter 2890 - PETROLEUM TANK RELEASES
Part 2890.3300 - SOIL BORING ADVANCEMENT

Universal Citation: MN Rules 2890.3300

Current through Register Vol. 49, No. 13, September 23, 2024

Subpart 1. General.

Costs for soil boring advancement are as described in this part.

Subp. 2. Hollow-stem auger.

Hollow-stem auger drilling in sand, silt, or clay, with continuous sampling. Items A to D list the depth of the boring and the maximum cost per boring:

A. 0 - 25 feet, $847;

B. 26 - 50 feet, $847 plus $29 per foot beyond 25 feet;

C. 51 - 100 feet, $1,573 plus $29 per foot beyond 50 feet; and

D. over 100 feet, $4,114 plus $64 per foot beyond 100 feet.

Subp. 3. Mud or air rotary.

Mud or air rotary drilling in limestone or hard rock, with surface sampling only. Items A to D list the depth of the boring and the maximum cost per boring:

A. 0 - 25 feet, $1,543;

B. 26 - 50 feet, $1,543 plus $48 per foot beyond 25 feet;

C. 51 - 100 feet, $2,753 plus $56 per foot beyond 50 feet; and

D. over 100 feet, $5,536 plus $73 per foot beyond 100 feet.

Subp. 4. Air coring.

Air coring of limestone or hard rock with continuous sampling. Items A to D list the depth of the boring and the maximum cost per boring:

A. 0 - 25 feet, $1,694;

B. 26 - 50 feet, $1,694 plus $55 per foot beyond 25 feet;

C. 51 - 100 feet, $3,066 plus $57 per foot beyond 50 feet; and

D. over 100 feet, $5,899 plus $81 per foot beyond 100 feet.

Subp. 5. Rotosonic drilling.

Rotosonic drilling in sand, silt, or clay, with continuous sampling. Items A to D list the depth of the boring and the maximum cost per boring:

A. 0 - 25 feet, $1,755;

B. 26 - 50 feet, $1,755 plus $72 per foot beyond 25 feet;

C. 51 - 100 feet, $3,540 plus $77 per foot beyond 50 feet; and

D. over 100 feet, $7,412 plus $101 per foot beyond 100 feet.

Statutory Authority: MS s 115C.07

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