HomeMy WebLinkAboutFeature 23 - Drainage Tunnel/A\
CURRENT
REV
/'.IVJi V
u
n
v
J
J
E
c
r
A
Cl_�
O'� 3:
T _cD
TIN
N O
O
o�
N cN
m
0 0
� r
O w
o 75
-:I--
CD w
J J
•N
255
250
245
240
235
230
z 225
0
Q
w
J
w
220
215
210
205
200
195
190
i
0 6" 1 FOOT
SCALE
3"=1'-p„
0 5 10 FEET
SCALE A
1 "=5'
ARCHITECTURAL I CIVIL ELECTRICAL I MECHANICAL
SECTION A -A (DWG 109-23-001)
DEVOLOPED PORTAL ELEVATION
SCALE 1 "=5'
03-23-12 VAN ISSUED FOR BID
DATE REV DESCRIPTION OF ISSUES & REVISIONS
GEOTECHNICAL - 6
A MMMn\/IAA ATr I IA AITC` nr-
INSTALL
AS NEEDE
(SEE NOTE
r
L
.�L�.1 iviv u—u �uwu luy-,Z,�-uu1)
SLOPE CUT
SCALE 1 "=5'
1 ILLU llu I /'1J
NECESSARY
S ECTI 0 N A -A
SCALE 3"=1 ' -0" I�fi
IF A NOTCH MIN 1 „ DEPTH
AT BOTH SIDES
— --_ --'f It1_rr
FILL ANNULUS WITH
STRUCTURAL GROUT
FIELD
AS NECESSARY \
1�"
2
SET ANGLE
g0
L I
NOTES:
1. CONTRACTOR MAY MODIFY ROCK SUPPORT DESIGN AS
NEEDED WITH REVIEW BY RPR.
2. EXECUTE SCALING OF ROCK SLOPE AS DIRECTED BY RPR.
AREA DELINEATED FOR SCALING IS APPROXIMATE.
3. ROCK FACES TO BE EVALUATED BY RPR DURING
CONSTRUCTION.
4. INSTALL ROCK BOLTS AS DIRECTED BY RPR IMMEDIATELY
AFTER SCALING IS COMPLETE AND ROCK SUPPORT
REQUIREMENTS ARE CONFIRMED. FOR THE BASIS OF BID
ASSUME EACH #8 ROCK BOLT IN PORTAL IS INSTALLED TO
AN AVERAGE DEPTH OF 20 FEET.
5. INSTALL ADDITIONAL DRAIN HOLES ON THE PORTAL FACE AS
DIRECTED BY RPR.
6. PROVIDE W4 STEEL RIBS OR OTHER PROTECTION MEASURES
AS NEEDED FOR TEMPORARY ROCK FALL PROTECTION
CANOPY OUTSIDE THE PORTAL.
7. SLOPE ROAD TO TRENCH DRAIN.
8. INSTALL 2" DIA DRAIN HOLES TO 10 FT DEPTH WITH 5°
UPSLOPE INCLINATION.
9. REMOVE LOOSE BLOCK U/S OF PORTAL IN CONSULTATION
WITH RPR. REMOVE ALL SCALED ROCK FROM THE PLUNGE
POOL DURING DEWATERING FOR SCOUR WALL
CONSTRUCTION.
10. CONTRACTOR DESIGNED TEMPORARY RETAINING WALL TO
SUPPORT TEMPORARY ROAD FILL.
11. PROVIDE SS THREADED ANCHOR MEETING AISI 304 AND
HILTI HY 150 ADHESIVE.
LEGEND
1 /2" DIA SS x 9" ADH ANCHOR.
�_I— EMBED A MINIMUM 6" IN SOUND
11 1 1 ROCK. (NOTE 1 1)
Li Li 1
2
LEVEL AND PLUMB DETAIL 1
V—NOTCH SEEPAGE WEIR
SCALE 3"=V-0"
DESIGN ENGINEER DAIS
D.M. JURICH 03-28-12
ANY ITEM TO WHICH A PROFESSIONAL ENGINEER HAS APPLIED THEIR SEAL UNDER THE "ARCHITECTS, ENGINEERS, LAND SURVEYORS, AND
LANDSCAPE ARCHITECTS REGISTRATION ACT" (ALASKA STATUTE 'AS 08.48') MAY NOT BE ALTERED BY OTHER ANY PERSON, UNLESS HE IS
ACTING UNDER THE DIRECTION OF OR IS A LICENSED PROFESSIONAL ENGINEER. THE ALTERING ENGINEER SHALL AFFIX TO THE ITEM THEIR
SEAL, THE NOTATION "ALTERED BY", SIGNATURE, AND THE DATE OF SUCH ALTERATION, WITH A SPECIFIC DESCRIPTION OF THE ALTERATION IN
THE REVISION AREA. NON COMPLIANCE IS A VIOLATION OF ALASKA STATUTE, TITLE 8, CHAPTER 48, SECTIONS 281, 291 & 295.
DESIGN CHECKED BY DATE
P.C. FRIZ 03-28-12
DRAWN BY DATE CREATED
D.C. JOHNSTON 03-28-12
0HATCH ASSOCIATES CONSULTANTS, INC.
HATCH
DRAWING CHECKED BY DATE
J.H. RUTHERFORD 03-28-12
DISCIPLINE LEAD ENGINEER DATE
J.H. RUTHERFORD 03-28-12
CITY AND BOROUGH OF SITKA, ALASKA
PROJECT ENGINEER DATE
P.R. RODRIGUE 03-28-12
DJ
KM
PF
BLUE LAKE EXPANSION PROJECT
PROJECT MANAGER DATE
S.M. HART 03-28-12
DRAFTING
COORD
COORD
EN�R
5 1 4 1 3 1 2
0 #8 ROCK BOLT
DRAIN HOLE
DRAINAGE TUNNEL
PORTAL
ELEVATION
DRAWING NUMBER
109-23-002
PROJECT No. A\
H332360 CURRENT
1 SAVED. 04-03-2012 1,19pm By JOHN64914
E
FBI
c
n.
A
CV
O
N
M
O
V
O
W
F-
C)
O
J
00
N
00
N
O
N
V
O
L1J
CD
J
N
O
N
co
O
O
W
CD
0
W
W