PERMFILE114523

• Permit No: C1982056
• IBM Index Class Name: Permit File
• Doc Date: 9/29/2005
• Doc Name: Mine Shaft Hoiset Foundation Plan
• Section_Exhibit Name: Exhibit 49a Sheet S-1
• Media Type: M
• Archive: No

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14 -0
__. 14' -4" TO SHAFT CENTERUNE
EXISTING STRUCTURAL SLAB
AT MNE SHAFT LOCATION.
PRONOE I" ISOLATION JOINT
BETTIEEN NEW ANO EXISTING
STRUCTURAL SLABS.
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h
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an
P
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1071
1 1/2" CM
AIN.
SECnoN
1/2' - 1' -0" S -1
GENERAL NOTES I o
DESIGN LIW LOADS v,
n /bist system loads as provided in Aonuhscture ✓s ficotiars b Newobe gi Inc. 1
A#owabk rope puff 3092 Als. mozn+um. SPA y W
FOUNDATIOIN DESIGN
a.
the p Design of "od piers is based on on olbwable ski" friction Of 3000 psf for the portion of
ier wdled into the sandstone bed'ock, and an dlowable end bearing pressure of 30,000 psf as
recommended in sods report 03 -5838 by Northwest Colorado Consultants, Inc. These recommendations
nude, but are not limited to, the following;
- The piers shall have o minimum length of 15 feet and o minn"Im" bebock penetration of 5 feet, R-
unless noted otherwise on plan. Q
- the piers should be properly cleaned, dewatered and inspected prkx to sled and concrete placement. F7
The pier etnling contractor should mobilize equipment of sufficient size and operotng condition to
adequately dean the bottom of the piers, handle the temporary casing if required, and to achieve
the minimum bedrock penetrations and pier lengths
- A representothow of the sods engineer should observe dl pier drilling operations.
REINFORCED CONCRETE
o. Structural concrete shat how a minimum 28 day compressive strength of 3000 psi Type L
b. Reinforcing bars shall conform to ASTA Specification A615 -79 and shall be Crude 60.
C. At splices, lap bars 36 diameters.
STRUCTURAL STEEL
o. Structural steel rolled shapes, including plates and angles shall be ASTM AM
b. All bolts, including anchor bolts, shall conform to ASTA Specification A307 _
j
of 71Fa
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i FINAL GRADE, 8ACKFXL W/ ON -97E
SOrftS. CAP BACKFNL W/ COMPACTED
IATPERVWS CLAY LAYER 2' -0' TNCK t
TO PROLE POSITIIE SURFACE DRAINAGE
AWAY FROM STRUCTURE.
PRONDE 2 14 HOOP SITRRUPS AROUND
At UP.
PROHDE L6 1 1 4 Ox 36' GALV. ANCHOR
-96L11-- -u AN D MN-AWYMOTM
PER HOST MANUFACTURER'S SPEoncATvNS.
1 3* -0" THKX STRUCTURAL SLAB REW. W/ 15's
O 1 -- o.c. EACH WAY, TDP Z 807TOM.
TO SLAB W/ 3
-6"
.+ F a rcrtro rULL MIRIT.
III IIQT7"17
\4Q§-24 R ALL HAKE 5' -0"AAOWM Pff 1RA11OV
(r "C�
INTO THE SANDSTONE BEDRO(X
HOIST FOUNDA 77ON PLAN
Scale : 114' =
sECnoN 2
1/2'. T' -o- S -i
AIX BACKFILL W/ ON -SITE
:AP BACXFILL W/ COMPACTED
JS CLAY LAYER 2' -0" THICK t
'JE P09771f SURFACE DRAINAGE
V STRUCTURE. - --
L
ECEIV��:
P 15 2005
'dinerals and Geo!aa
V
�
QT
arO.
A 00
� O
3
Mq
W
n
1071
1 1/2" CM
AIN.
SECnoN
1/2' - 1' -0" S -1
GENERAL NOTES I o
DESIGN LIW LOADS v,
n /bist system loads as provided in Aonuhscture ✓s ficotiars b Newobe gi Inc. 1
A#owabk rope puff 3092 Als. mozn+um. SPA y W
FOUNDATIOIN DESIGN
a.
the p Design of "od piers is based on on olbwable ski" friction Of 3000 psf for the portion of
ier wdled into the sandstone bed'ock, and an dlowable end bearing pressure of 30,000 psf as
recommended in sods report 03 -5838 by Northwest Colorado Consultants, Inc. These recommendations
nude, but are not limited to, the following;
- The piers shall have o minimum length of 15 feet and o minn"Im" bebock penetration of 5 feet, R-
unless noted otherwise on plan. Q
- the piers should be properly cleaned, dewatered and inspected prkx to sled and concrete placement. F7
The pier etnling contractor should mobilize equipment of sufficient size and operotng condition to
adequately dean the bottom of the piers, handle the temporary casing if required, and to achieve
the minimum bedrock penetrations and pier lengths
- A representothow of the sods engineer should observe dl pier drilling operations.
REINFORCED CONCRETE
o. Structural concrete shat how a minimum 28 day compressive strength of 3000 psi Type L
b. Reinforcing bars shall conform to ASTA Specification A615 -79 and shall be Crude 60.
C. At splices, lap bars 36 diameters.
STRUCTURAL STEEL
o. Structural steel rolled shapes, including plates and angles shall be ASTM AM
b. All bolts, including anchor bolts, shall conform to ASTA Specification A307 _
j
of 71Fa
-
i
o. o
- -- -
o,
of
j
i FINAL GRADE, 8ACKFXL W/ ON -97E
SOrftS. CAP BACKFNL W/ COMPACTED
IATPERVWS CLAY LAYER 2' -0' TNCK t
TO PROLE POSITIIE SURFACE DRAINAGE
AWAY FROM STRUCTURE.
PRONDE 2 14 HOOP SITRRUPS AROUND
At UP.
PROHDE L6 1 1 4 Ox 36' GALV. ANCHOR
-96L11-- -u AN D MN-AWYMOTM
PER HOST MANUFACTURER'S SPEoncATvNS.
1 3* -0" THKX STRUCTURAL SLAB REW. W/ 15's
O 1 -- o.c. EACH WAY, TDP Z 807TOM.
TO SLAB W/ 3
-6"
.+ F a rcrtro rULL MIRIT.
III IIQT7"17
\4Q§-24 R ALL HAKE 5' -0"AAOWM Pff 1RA11OV
(r "C�
INTO THE SANDSTONE BEDRO(X
HOIST FOUNDA 77ON PLAN
Scale : 114' =
sECnoN 2
1/2'. T' -o- S -i
AIX BACKFILL W/ ON -SITE
:AP BACXFILL W/ COMPACTED
JS CLAY LAYER 2' -0" THICK t
'JE P09771f SURFACE DRAINAGE
V STRUCTURE. - --
L
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P 15 2005
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