Minnesota Administrative Rules

2890.3500 AT-GRADE WELL INSTALLATION.

Subpart 1.

General.

Costs for well installation of an at-grade well are as described in this part.

Subp. 2.

Hollow-stem auger.

Hollow-stem auger in sand, silt, or clay, with continuous sampling:

A.

subitems (1) and (2) list the depth of the well and the maximum cost per two-inch PVC well, and subitems (3) and (4) list the depth of the well and the maximum cost per two-inch well (steel riser with PVC screen):

(1)

0 - 25 feet, $1,694;

(2)

26 - 50 feet, $1,694 plus $51 per foot beyond 25 feet;

(3)

51 - 100 feet, $2,965 plus $61 per foot beyond 50 feet; and

(4)

over 100 feet, $5,990 plus $73 per foot beyond 100 feet;

B.

subitems (1) and (2) list the depth of the well and the maximum cost per four-inch PVC well, and subitems (3) and (4) list the depth of the well and the maximum cost per four-inch well (steel riser with PVC screen):

(1)

0 - 25 feet, $1,800;

(2)

26 - 50 feet, $1,800 plus $65 per foot beyond 25 feet;

(3)

51 - 100 feet, $3,419 plus $74 per foot beyond 50 feet; and

(4)

over 100 feet, $7,079 plus $96 per foot beyond 100 feet; and

C.

subitems (1) and (2) list the depth of the well and the maximum cost per six-inch PVC well, and subitems (3) and (4) list the depth of the well and the maximum cost per six-inch well (steel riser with PVC screen):

(1)

0 - 25 feet, $2,844;

(2)

26 - 50 feet, $2,844 plus $94 per foot beyond 25 feet;

(3)

51 - 100 feet, $5,173 plus $95 per foot beyond 50 feet; and

(4)

over 100 feet, $9,892 plus $109 per foot beyond 100 feet.

Subp. 3.

Mud or air rotary.

Mud or air rotary in limestone or hard rock, with surface sampling only:

A.

subitems (1) to (4) list the depth of the well and the maximum cost per two-inch well (steel riser with PVC screen):

(1)

0 - 25 feet, $2,662;

(2)

26 - 50 feet, $2,662 plus $55 per foot beyond 25 feet;

(3)

51 - 100 feet, $4,024 plus $64 per foot beyond 50 feet; and

(4)

over 100 feet, $7,230 plus $76 per foot beyond 100 feet;

B.

subitems (1) to (4) list the depth of the well and the maximum cost per four-inch well (steel riser with PVC screen):

(1)

0 - 25 feet, $2,995;

(2)

26 - 50 feet, $2,995 plus $72 per foot beyond 25 feet;

(3)

51 - 100 feet, $4,780 plus $79 per foot beyond 50 feet; and

(4)

over 100 feet, $8,712 plus $85 per foot beyond 100 feet; and

C.

subitems (1) to (4) list the depth of the well and the maximum cost per six-inch well (steel riser with PVC screen):

(1)

0 - 25 feet, $3,298;

(2)

26 - 50 feet, $3,298 plus $96 per foot beyond 25 feet;

(3)

51 - 100 feet, $5,687 plus $97 per foot beyond 50 feet; and

(4)

over 100 feet, $10,527 plus $111 per foot beyond 100 feet.

Subp. 4.

Air coring.

Air coring in limestone or hard rock, with continuous sampling:

A.

subitems (1) to (4) list the depth of the well and the maximum cost per two-inch well (steel riser with PVC screen):

(1)

0 - 25 feet, $3,207;

(2)

26 - 50 feet, $3,207 plus $69 per foot beyond 25 feet;

(3)

51 - 100 feet, $4,946 plus $81 per foot beyond 50 feet; and

(4)

over 100 feet, $8,999 plus $92 per foot beyond 100 feet;

B.

subitems (1) to (4) list the depth of the well and the maximum cost per four-inch well (steel riser with PVC screen):

(1)

0 - 25 feet, $3,691;

(2)

26 - 50 feet, $3,691 plus $73 per foot beyond 25 feet;

(3)

51 - 100 feet, $5,506 plus $96 per foot beyond 50 feet; and

(4)

over 100 feet, $10,285 plus $111 per foot beyond 100 feet; and

C.

subitems (1) to (4) list the depth of the well and the maximum cost per six-inch well (steel riser with PVC screen):

(1)

0 - 25 feet, $3,993;

(2)

26 - 50 feet, $3,993 plus $109 per foot beyond 25 feet;

(3)

51 - 100 feet, $6,716 plus $119 per foot beyond 50 feet; and

(4)

over 100 feet, $12,645 plus $143 per foot beyond 100 feet.

Subp. 5.

Rotosonic drilling.

Rotosonic drilling in sand, silt, or clay, with continuous sampling:

A.

subitems (1) and (2) list the depth of the well and the maximum cost per two-inch PVC well, and subitems (3) and (4) list the depth of the well and the maximum cost per two-inch well (steel riser with PVC screen):

(1)

0 - 25 feet, $3,328;

(2)

26 - 50 feet, $3,328 plus $98 per foot beyond 25 feet;

(3)

51 - 100 feet, $5,778 plus $101 per foot beyond 50 feet; and

(4)

over 100 feet, $10,860 plus $119 per foot beyond 100 feet;

B.

subitems (1) and (2) list the depth of the well and the maximum cost per four-inch PVC well, and subitems (3) and (4) list the depth of the well and the maximum cost per four-inch well (steel riser with PVC screen):

(1)

0 - 25 feet, $3,872;

(2)

26 - 50 feet, $3,872 plus $101 per foot beyond 25 feet;

(3)

51 - 100 feet, $6,413 plus $128 per foot beyond 50 feet; and

(4)

over 100 feet, $12,766 plus $142 per foot beyond 100 feet; and

C.

subitems (1) and (2) list the depth of the well and the maximum cost per six-inch PVC well, and subitems (3) and (4) list the depth of the well and the maximum cost per six-inch well (steel riser with PVC screen):

(1)

0 - 25 feet, $4,356;

(2)

26 - 50 feet, $4,356 plus $152 per foot beyond 25 feet;

(3)

51 - 100 feet, $8,138 plus $174 per foot beyond 50 feet; and

(4)

over 100 feet, $16,850 plus $206 per foot beyond 100 feet.

Statutory Authority:

MS s 115C.07

History:

28 SR 383; L 2010 c 241 s 4; MS s 115C.07 subd 3 paragraph (f)

Published Electronically:

November 30, 2012