WildLog.pdf
PDF 696 KB Posted
- Attached to
- RECOVERY Non-Wilderness Log Trail Bridges
- Solicitation number
- AG-0489-S-10-0316
About this file
Wilderness Log Bridge specifications design description of work and other general information
View the file
Other files
| File | Type | Posted |
|---|---|---|
| SF 30.pdf | ||
| WildernessLogPics.pdf | ||
| Trail Bridge FBO.doc | DOC document | |
| NFUmatillaTr Specs.pdf | ||
| Log_012910.pdf | ||
| LogPics.pdf | ||
| GLPics.pdf |
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Text version
Name Trail#-MP Work
PINE 467-1.1 REPLACE NATIVE CURBS AND SIX DECK PLANKS.
BADGER 467-2.7 REPLACE UPSTREAM LOG AND NATIVE CURBS.
REPLACE DECK PLANKS AS NEEDED.
NO NAME 479-8.9 REPLACE NATIVE CURBS AND FIVE DECK PLANKS.
GUMJUWAC 479-9.0 REMOVE EXISTING TWO LOG BRIDGE. CONSTRUCT SINGLE
LOG BRIDGE WITH TWO NATIVE RAILS.
MONAGHAN 715-7.2 REMOVE EXISTING TWO LOG BRIDGE. CONSTRUCT SINGLE
LOG BRIDGE WITH TWO LUMBER RAILS.
RAMONA #4 797-2.07 REMOVE EXISTING TWO LOG BRIDGE. CONSTRUCT SINGLE
LOG BRIDGE WITH TWO NATIVE RAILS.
NEW BRIDGE DETAILS: SEE TYPICAL PROFILE
NAME SA(FT.) ABUT. A SB(FT.) ABUT. B H(FT.) W(IN) ES(FT.) ELEV.(FT) DESIGN LOAD(PSF) D(IN.) (MIN. GRP 2)
PINE N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
BADGER N/A N/A N/A N/A N/A MATCH 30 N/A N/A MATCH
NO NAME N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
GUMJUWAC 3 BULKHEAD 4 BULKHEAD 4 24 37 3825 175 23
MONAGHAN 6 STEP 2 STEP 7 24 56 1200 85 25
RAMONA #4 4 STEP 12 STEP 4 24 42 2800 155 24
INDIVIDUAL BRIDGE SITE NOTES:
PINE,
BADGER,
NO NAME: EXISTING BRIDGES ARE TWO LOG WITH NATIVE SPLIT CEDAR DECK 2 TO 4 INCHES THICK AND NATIVE CURBS.
REPLACE DECK IN KIND.
GUMJUWAC: DO NOT REMOVE OLD SILLS. BRIDGE GRADE LESS THAN OPR EQUAL TO 5%.
MONAGHAN: ABUTMENT A: DO NOT DISTURB GABIONS. ABUTMENT B: DO NOT REMOVE OLD SILL.
GENERAL CONSTRUCTION NOTES:
EQUIPMENT: MECHANIZED AND MOTORIZED EQUIPMENT IS PROHIBITED, INCLUDING HANG GLIDERS, AIRCRAFT, CARTS, STOLLERS, BICYCLES, CHAINSAWS, AND OTHER MODES OF NON - PRIMITIVE TRANSPORTATION.
DISPOSAL: EXISTING BRIDGE DISPOSAL, WHERE REQUIRED, SHALL BE ON THE FLOODPLAIN DOWNSTREAM OF THE BRIDGE OR AS DIRECTED
BY CO.
ABUTMENTS AND
SPLIT CEDAR
DECK: CEDAR SILL AND SPLIT CEDAR DECK PLANKS SHALL BE CUT FROM DOWNED LOGS OUTSIDE OF RIPARIAN AREAS OR BROUGHT IN
FROM OFF FOREST. SILL AND DECK MATERIAL SHALL BE APPROVED BY CO BEFORE CUTTING.
SPAN: ESTIMATED SPAN LENGTHS LISTED ARE +-2 FEET AND DO NOT INCLUDE DISTANCE FROM CENTER LINE OF ABUTMENT TO END
OF LOG. SPAN LENGTHS OUTSIDE OF THIS TOLERANCE WILL REQUIRE PRE-APPROVAL BY CO.
NEW BRIDGES SHALL BE CONSTRUCTED AT 0% GRADE UNLESS NOTED BELOW.
STRINGERS: ESTIMATED MID-SPAN DIAMETER IS MEASURED INSIDE BARK. ALL LOGS WILL BE PEELED BEFORE MOVING TO BRIDGE SITE.
PRIORITY FOR STRINGER SPECIES WILL BE 1) DOUGLAS FIR, 2) WESTERN RED CEDAR, 3) WESTERN LARCH. CANDIDATE
STRINGERS HAVE BEEN IDENTIFIED, WILL BE MARKED, AND ARE WITHIN 500 FEET OF EACH SITE.
STRINGERS MATERIAL SHALL BE APPROVED BEFORE CUTTING.
NATIVE RAIL AND CURB: NATIVE RAIL AND CURB MATERIAL IS ESTIMATED TO BE AVAILABLE WITHIN 1 MILE OF THE BRIDGE SITES.
NATIVE RAIL AND CURB MATERIAL SHALL BE APPROVED BY CO BEFORE CUTTING.
| WildLog_012910 1-WILD-TITLE (1).pdf |
| WildLog_012910 2-WILD-MAP-BADGER (1) |
| WildLog_012910 3-WILD-RAMONA (1) |
| WildLog_012910 4-WILD-DESCRIPTION (1) |
| WildLog_012910 5-WILD-NOTES (1) |
| WildLog_012910 6-WILD_DETAILS_GR (1) |
| WildLog_012910 7-WILD_DETAILS_M (1) |
| WildLog_012910 8-WILD_RAIL (1) |
| WildLog_012910 9-WILD_DIAMETER (1) |
File details come from the government source that posted it. Updated .