2890.3500 AT-GRADE WELL INSTALLATION.
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Subpart 1.
General.
Costs for well installation of an at-grade well are as described in this part.
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Subp. 2.
Hollow-stem auger.
Hollow-stem auger in sand, silt, or clay, with continuous sampling:
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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):
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(1)
0 - 25 feet, $2,049;
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(2)
26 - 50 feet, $2,049 plus $62 per foot beyond 25 feet;
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(3)
51 - 100 feet, $3,588 plus $74 per foot beyond 50 feet; and
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(4)
over 100 feet, $7,248 plus $88 per foot beyond 100 feet;
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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):
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(1)
0 - 25 feet, $2,178;
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(2)
26 - 50 feet, $2,178 plus $79 per foot beyond 25 feet;
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(3)
51 - 100 feet, $4,137 plus $89 per foot beyond 50 feet; and
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(4)
over 100 feet, $8,566 plus $117 per foot beyond 100 feet; and
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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):
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(1)
0 - 25 feet, $3,441;
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(2)
26 - 50 feet, $3,441 plus $113 per foot beyond 25 feet;
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(3)
51 - 100 feet, $6,259 plus $116 per foot beyond 50 feet; and
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(4)
over 100 feet, $11,969 plus $132 per foot beyond 100 feet.
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Subp. 3.
Mud or air rotary.
Mud or air rotary in limestone or hard rock, with surface sampling only:
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A.
subitems (1) to (4) list the depth of the well and the maximum cost per two-inch well (steel riser with PVC screen):
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(1)
0 - 25 feet, $3,221;
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(2)
26 - 50 feet, $3,221 plus $67 per foot beyond 25 feet;
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(3)
51 - 100 feet, $4,869 plus $77 per foot beyond 50 feet; and
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(4)
over 100 feet, $8,748 plus $92 per foot beyond 100 feet;
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B.
subitems (1) to (4) list the depth of the well and the maximum cost per four-inch well (steel riser with PVC screen):
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(1)
0 - 25 feet, $3,625;
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(2)
26 - 50 feet, $3,625 plus $87 per foot beyond 25 feet;
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(3)
51 - 100 feet, $5,784 plus $96 per foot beyond 50 feet; and
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(4)
over 100 feet, $10,541 plus $103 per foot beyond 100 feet; and
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C.
subitems (1) to (4) list the depth of the well and the maximum cost per six-inch well (steel riser with PVC screen):
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(1)
0 - 25 feet, $3,991;
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(2)
26 - 50 feet, $3,991 plus $117 per foot beyond 25 feet;
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(3)
51 - 100 feet, $6,882 plus $118 per foot beyond 50 feet; and
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(4)
over 100 feet, $12,738 plus $134 per foot beyond 100 feet.
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Subp. 4.
Air coring.
Air coring in limestone or hard rock, with continuous sampling:
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A.
subitems (1) to (4) list the depth of the well and the maximum cost per two-inch well (steel riser with PVC screen):
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(1)
0 - 25 feet, $3,881;
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(2)
26 - 50 feet, $3,881 plus $84 per foot beyond 25 feet;
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(3)
51 - 100 feet, $5,985 plus $98 per foot beyond 50 feet; and
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(4)
over 100 feet, $10,889 plus $111 per foot beyond 100 feet;
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B.
subitems (1) to (4) list the depth of the well and the maximum cost per four-inch well (steel riser with PVC screen):
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(1)
0 - 25 feet, $4,466;
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(2)
26 - 50 feet, $4,466 plus $88 per foot beyond 25 feet;
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(3)
51 - 100 feet, $6,663 plus $117 per foot beyond 50 feet; and
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(4)
over 100 feet, $12,445 plus $134 per foot beyond 100 feet; and
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C.
subitems (1) to (4) list the depth of the well and the maximum cost per six-inch well (steel riser with PVC screen):
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(1)
0 - 25 feet, $4,831;
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(2)
26 - 50 feet, $4,831 plus $132 per foot beyond 25 feet;
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(3)
51 - 100 feet, $8,127 plus $144 per foot beyond 50 feet; and
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(4)
over 100 feet, $15,301 plus $173 per foot beyond 100 feet.
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Subp. 5.
Rotosonic drilling.
Rotosonic drilling in sand, silt, or clay, with continuous sampling:
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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):
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(1)
0 - 25 feet, $4,027;
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(2)
26 - 50 feet, $4,027 plus $119 per foot beyond 25 feet;
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(3)
51 - 100 feet, $6,992 plus $122 per foot beyond 50 feet; and
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(4)
over 100 feet, $13,141 plus $144 per foot beyond 100 feet;
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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):
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(1)
0 - 25 feet, $4,685;
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(2)
26 - 50 feet, $4,685 plus $122 per foot beyond 25 feet;
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(3)
51 - 100 feet, $7,759 plus $155 per foot beyond 50 feet; and
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(4)
over 100 feet, $15,447 plus $172 per foot beyond 100 feet; and
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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):
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(1)
0 - 25 feet, $5,271;
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(2)
26 - 50 feet, $5,271 plus $184 per foot beyond 25 feet;
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(3)
51 - 100 feet, $9,847 plus $210 per foot beyond 50 feet; and
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(4)
over 100 feet, $20,389 plus $250 per foot beyond 100 feet.
History:
28 SR 383; L 2010 c 241 s 4; MS s 115C.07 subd 3 paragraph (f)