MT PRA GLAC 202(1) As-Builts.pdf
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- Solicitation number
- 69056721B000017
About this file
This document includes plans for repairing timber piles at the McDonald Creek Bridge in Glacier National Park, Montana. The drawings show existing damage to timber piles at Bent 2 of the bridge and propose installing 4-inch thick steel jackets around the piles with welded shear studs and bolts. Notes specify requirements for grout, bolts, and galvanized steel and require verifying existing pile dimensions before construction.
The related federal contract opportunity is a solicitation to rehabilitate the final 9.3 miles of the Going-to-the-Sun Road and replace the McDonald Creek Bridge in Glacier National Park, Montana. The solicitation is issued by the Federal Highway Administration within the Department of Transportation.
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Text version
WESTERN FEDERAL LANDS HIGHWAY DIVISION
FEDERAL HIGHWAY ADMINISTRATION
U.S. DEPARTMENT OF TRANSPORTATION
GLACIER NATIONAL PARK
MCDONALD CREEK BRIDGE
UPPER LAKE MCDONALD ROAD
NO. DATE BY REVISIONS DESIGNED BY DRAWN BY CHECKED BY SCALE PROJECT TEAM LEADER
F. ISMAIL
NO. DATE BY REVISIONS
BRIDGE DRAWING
of
DATE
TIMBER PILE RAPAIR
DRAWING NO.
STATE PROJECT
NUMBER
SHEET
MT
PRA GLAC 202(1)
P
M
J a n u a r y
I n t_ ft
D c m y fi le s p w p r o d u c ti o n d g la c s a .d g n
Down stereamUp stream details for repairs timber pile, see
Existing damaged
EXISTING BENT 2 ELEVATION
(looking back on line)
SECTION B-B
remain in place bracing to
Existing timber
" thick steel jacket4
20"Ø (inside diameter)
B B
Timber pile
A
A
1" Clear
"Ø x 2" weld studs2 to remain in place
Existing 12"Ø timber pile
SECTION A-A
ty p ground surface
Existing ground surface
Existing x w e ld e d s h e a r s tu d s p a c in g bolt with nut (9 tot.)
"Ø x 18" long8
Drill and install ty p
Non-shrink grout
" thick steel jacket4
NTS
NTS
NTS
EXISTING TIMBER PILE ELEVATION
PROPOSED REPAIR
" thick steel jacket4 bolt with nut
"Ø x 18" long8
"6
"6 s e c a p s l a u q e
Non-shrink grout e di s r e ht o .
p yt typ.
typ.
NOTES:
Bolts shall conform to ASTM 307 galvanized.
Repair all damaged galvanized area due to field weld.
strength 4000 psi @ 28 days.
Non-shrink grout shall conform to ASTM C1107, with minimum compressive
Steel jacket shall conform to ASTM A36 hot dip galvanized after fabrication.
Contractor shall verify existing timber pile section prior to construction.
5.
4.
3.
2.
1.
(typ.)
Existing timber pile
S p a c e s
O .C
" 1" Clr.
Michael.Baron Text Box E.4
Michael.Baron Text Box Contract Modification No. 005 Constructed as designed.
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