Attachment 3: Drawings BSC

SAMMIE MCDOWELL

Digitally signed by SAMMIE MCDOWELL
Date: 2026.04.23 16:07:22 -05'00'
Digitally signed by MARY

MARY WIMBERLY WIMBERLY

Date: 2026.04.27 15:23:42 -05'00'

ROBERT MCBROOME

Digitally signed by ROBERT MCBROOME
Date: 2026.04.27 16:25:51 -05'00'

signed by JONATHAN HEYL
JONATHAN HEYL Digitally
Date: 2026.05.01 10:35:59 -05'00'

-

USDA

,_

�FT LONG

THREADED REB.

ROCKBO

(SEE

TO CAVE

INTERFACE

AND

ORIPSTONE

EXIT

United StllN Dtpallment of AQncvllure
Fomts.r.tco

(ROS)

-4,-...,t,.\\��

.,, ,

z�

/ ;

I:!

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/

·�11 ,,

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SHAFT TO

SURFACE

- GOLDER

Qi.

a.TA.IIIP$, LOGO$, MO SEALS

- f.l
...

J

j_l

CRACK GAUGE {APPROX.

LOCATION. SEE NOTE 41

g

10.9ft

•I 1/1 ,I•

MECHANICAL TELLT,

(APPROX. LOCATl

SOUTHERN REGION

SCALE 1-.15•

�

SHAFT TO

SURFACE

NO.

;I

2+10

2+00

1+90

1+80

1+70

SCALE 1._1s

I
I
I

1•50

1♦40

1♦30

STATION

1+20

1+10

1+00

0♦90

0♦80

0♦70

0+60

0♦50

0♦40

•/

0♦30

0♦20

0♦10

0+00

'(A-A'

) DRIPSTONE CAVE BYPASS - PROFILE VIEW

C-42 LOOKING NORTHEAST

DRIPSTONE CAVE BYPASS TUNNEL

AREA

NOTE(SI

FIRST TWO ROWS OF ROCKBOLTS AT ENTRANCE AND EXIT TO DRIPSTONE CAVE BYPASS

1.

TUNNEL, AS WELL AS ADJACENT SHAFT TO SURFACE, SHALL BE SFT•LONG, 15 FULLY

RESIN GROUTED THREADED REBAR ROCKBOLTS ON MAX 4FT CENTERS. 3.

REMAINING ROCKl!OLTS SHALL BE 6FT-LONG, IS FULLY RESIN GROUTED THREADED

REBAR ROCl<BOLTS ON MAX 4FT CENTERS.

LOCATION AND THICl<NESS OF GEOLOGIC UNITS SHOWN AAE APPROXIMATE AND IS

BASED ON UNDERGROUND OBSERVATIONS.

INSTALL CRACK GAUGE MONITOR DEVICES ACROSS EXPOSED BEDDING PLANES AT

CAVERN INTERFACE.

LEGEND

I I I
E--_-_-_4
Ez
k/ / /J
i

�

REFERENCE(SI

EXISTING CAVERNS SURVEY COMPLETED BY THE CENTER OF ADVANCED SPATIAL

TECHNOLOGIES (CAST) ANO PROVIDED BY NATIONAL FORESTS.

�

1+50'

FIOONE LIMESTONE (FM)

UPPER STJOE(MBR)

LOWER ST JOE (MBR)

Iy y y y

LAFFERTY LIMESTONE (MBR)

I I I i I i 11 FERNVALE LIMESTONE (FMI

I

- - - - rTEMSTO BE REMOVED

'"""""'"'" =�� LEDGE IN ROOF

MESH

SECTION NUMBER

SECTION VIEW DRAWING NUMBER

STATION NUMBER (FEET)

@ SECTION VIEW DRAWING NUMBER

�

g,ai,

111111»

,m,,.

REVISIOH I ISSUE

DATE

BLANCHARD

SPRINGS

CAVERNS

TUNNEL

REHABILITATION

OZARK-ST. FRANCIS

NATIONAL FOREST

SCALE 1"a5' (C-C'\ SHORT SECTION

C-02 / LOOKlNG NORTHWEST

CAVERN Y>ORK

4.

Ill
:,

1+eo

IECHANICAL TELLTALES_(APPROX. L

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s/
1•,1•

SVl.MORE RANGER DISTRICT

DRiPSTONE CAVE BYPASS TUNNEL

2.

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2+20

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