Plans_-_LA_ERFO_FW_BLBA_2016-2(1).pdf

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NO. DATE BY REVISIONS NO. DATE BY REVISIONS

SCOPE OF WORK

Design:

Construction:

Dead Load:

Live Loads:

Timber:

Structural Steel:

GENERAL NOTES

SPECIFICATIONS

DESIGN LOADING

MATERIALS

Field verify all dimensions prior to ordering material.

Standard Specifications for Construction of Roads and Bridges on Federal Highway Projects, FP-14.

GENERAL NOTES AND INDEX

R01

1JEG/NN No scale

Maintenance Vehicle: 3500 lb

Pedestrian: 90 psf

Furnish ADA-compliant railing, benches, and transition ramps.

Table 8.4.1.1.4-1 - Reference Design Values for Visually Graded Sawn Lumber.

Provide Southern Pine No. 1 or better that conforms to the design values from AASHTO arsenic and/or chromium compounds. Obtain all timber from a single approved source.

use category UC5C. Use waterborne copper based solution or suspensions that do not contain

Furnish pressure treated timber and lumber in accordance with the latest AWPA Standard U1, All sawn lumber call outs are nominal dimensions.

A C

T U

A L F I L E R

L A B

L B

A

G N .D

G N

Provide square drive stainless steel deck screws.

Provide stainless steel roof panels conforming to ASTM A204 or A666.

Provide steel pickets conforming to ASTM A36.

Provide nuts conforming to ASTM A194.

Provide bolts and washers conforming to ASTM A193.

nuts, and washers.

Provide Type 304 or 316 stainless steel for all nails, bolts, screws, hurricane ties, roof panels, INDEX OF BRIDGE PLAN SHEETS

Rail Details - 2

Rail Details - 1

Curb and Transition Ramp Details

18+53.89

Wildlife Pier Elevation Sta. 14+14.85 to Sta.

Pergola Details - 2

Pergola Details - 1

Wildlife Pier Fishing Pier

Sta. 17+44.22

Wildlife Pier Elevated Boardwalk Sta.15+24.22 to

Wildlife Pier Boardwalk

Photo Blind and Nature Trail Boardwalk

General Notes and Index

SHEET NO. SHEET TITLE

Architectural Barriers Act (ABA) Standards, 2015.

ADA Standards for Accessible Design, 2010.

National Design Specifications for Wood Construction, American Forest annd Paper Association, 2015.

LRFD Guide Specifications for the Design of Pedestrian Bridges, 2009.

AASHTO LRFD Bridge Design Specifications, Eighth Edition, 2017.

Timber: 50 pcf other miscellaneous work.

3. Place headers, stringers, decking, curb, and

2. Drive timber piles.

limits of work.

1. Remove and dispose of all lumber within the

Schedule D: Photo Blind Boardwalk other miscellaneous work.

3. Place headers, stringers, decking, curb, and

2. Drive timber piles.

limits of work.

Schedule C: Nature Trail North Boardwalk other miscellaneous work.

3. Place headers, stringers, decking, curb, and

2. Drive timber piles.

limits of work.

Schedule B: Nature Trail South Boardwalk and other miscellaneous work.

3. Place headers, stringers, decking, railing, benches,

2. Drive timber piles.

limits of work.

1. Remove and dispose of all lumber within the

Schedule A: Wildlife Pier Boardwalk

STATE PROJECT

NUMBER

SHEET

LA LA ERFO FW BLBA 2016-2(1)

PROJECT TEAM LEADERSCALECHECKED BYDRAWN BYDESIGNED BY

NN Phillip BoinskeCC of

DATE

U.S. DEPARTMENT OF TRANSPORTATION

FEDERAL HIGHWAY ADMINISTRATION

EASTERN FEDERAL LANDS HIGHWAY DIVISION

BRP NO.BRIDGE PLAN SHEET

BLACK BAYOU LAKE NATIONAL WILDLIFE REFUGE

BOARDWALK REPLACEMENT

11 BRP-1280June 2019

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S .d stringer (Typ.)

3" x 12" Timber stringer (Typ.)

Butt ends of

C

(Typ.)

L Pier

TYPICAL SPAN

(End similar)

BEGIN BRIDGE

PARTIAL FRAMING PLAN

" = 1'-0"2 1Scale:

SECTION A-A

Scale: 1" = 1'-0" stringer (Typ.)

3" x 12" Timber

(Typ.)

(See Note 4)

Hurricane tie

A A

6'-0"

5'-5" stringer (Typ.)

3" x 12" Timber tie (Typ.)

Hurricane

CL Structure plank deck

2" x 6" Timber

Notes:header (Typ.)

3" x 10" Timber pile (Typ.)

6" x 6" Timber pile (Typ.)

6" x 6" Timber header

3" x 10" Timber

L StructureC

" = 1'-0"2 1Scale:

PARTIAL ELEVATION

pile (Typ.)

6" x 6" Timber curb 2" x 4" Timber header (Typ.)

3" x 10" Timber stringer

3" x 12" Timber ground

Match existing

Varies (See Note 6) deck (Typ.)

2" x 6" Timber deck (Typ.)

2" x 6" Timber

" = 1'-0"2 1Scale:

PARTIAL PLAN

See Note 2 deck (Typ.)

2" x 6" Timber

1'-4"

(Typ.)

Varies (See Note 6)

TYPICAL SECTION

" = 1'-0"2 1Scale: 1

V a r ie s

A C

T U

A L F I L E R

L A B

L B

A

N a tu r e

T r a il B o a r d w .d g n

R02

2JEG As shown

2" x 4" (Typ.)

Timber curb

2" x 4" (Typ.)

Timber curb

4" x 4" (Typ.)

Timber post post (Typ.)

2" x 4" Timber header

3" x 10" Timber

T y p

E m b e d m e n t

M a x S e e N o te

Water level

S e e N o te ground existing

Approximate steel bolt (Typ.)

NATURE TRAIL BOARDWALK

PHOTO BLIND AND

7. See sheets D03, D04, and D05 for additional details.

timber piles at the same location as existing timber piles.

6. Mark existing timber pile locations prior to removal. Install

-inch spacing between deck members. 4

15. Provide tie.

hurricane ties interfere with timber piles, do not install hurricane accordance with manufacturer's recommendations. Where

4. Attach stringer to header with stainless steel hurricane ties, in details.

3. See "CURB AND TRANSITION RAMP DETAILS" sheet for additional

2. Provide running slopes not to exceed a slope of 1:20.

the water level, as approved by the CO.

construct boardwalk with the bottom of the timber header above maximum above existing ground elevation. Where possible,

1. Construct boardwalk with top of deck elevation at 30 inches

5'-0" max.

L StructureC

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L StructureC stringer (Typ.)

Butt ends of

C

(Typ.)

L Pier

TYPICAL SPAN

(End similar)

BEGIN BRIDGE

PARTIAL FRAMING PLAN

" = 1'-0"2 1Scale:

SECTION A-A

Scale: 1" = 1'-0" stringer (Typ.)

3" x 12" Timber

(Typ.)

(See Note 3)

Hurricane tie

A A tie (Typ.)

Hurricane

Notes:

pile (Typ.)

6" x 6" Timber

CL Structure

Scale: 1" = 1'-0"

TYPICAL SECTION

" = 1'-0"2 1Scale:

PARTIAL PLAN

6'-6" header

3" x 6" Timber deck

Timber

2" x 6" (Typ.)

pile (Typ.)

6" x 6" Timber post (Typ.)

4" x 6" Timber

See Note 1 stringer

3" x 12" Timber top rail

2" x 8" Timber

" = 1'-0"2 1Scale:

PARTIAL ELEVATION

rail (Typ.)

2" x 4" Timber

10'-0" Max.

deck (Typ.)

2" x 6" Timber top rail (Typ.)

2" x 8" Timber ground Match existing

2"

(Typ.)

T y p

Scale: 1" = 1'-0"

1'-6"

SPACER BLOCK DETAIL

(Typ.)

Timber deck

2" x 6"

5'-0"

"8 12'-2

7'-7" y p ground

Approximate existing

V a r ie s

WILDLIFE PIER BOARDWALK

A C

T U

A L F I L E R

L A B

L B

A

W il d li fe P ie r B o a r d w .d g n

JEG As shown 3

R03 deck (Typ.)

2" x 6" Timber header (Typ.)

3" x 6" Timber header (Typ.)

3" x 6" Timber steel bolt (Typ.)

header

3" x 6" Timber

(Typ.)

spacer block

3" x 12" Timber

E m b e d m e n t pile (Typ.)

6" x 6" Timber screw (Typ)

" Stainless steel2

See Note 1 stringer (Typ.)

3" x 12" Timber

Top deck

Elev. 72.7

6. See sheets D01 and D02 for additional details.

existing pile in all directions.

ensure a 18-inch clear distance between the proposed pile and the

5. Where proposed pile locations interfere with existing pile locations, -inch spacing between deck members. 4

14. Provide in accordance with manufacturer's recommendations.

3. Attach stringer to header with stainless steel hurricane tie, additional details.

2. See "RAIL DETAILS - 1" and "RAIL DETAILS - 2" sheets for

1. Provide running slopes not to exceed a slope of 1:20.

L StructureC

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L StructureC stringer (Typ.)

Butt ends of

C

(Typ.)

L Pier

TYPICAL SPAN

(End similar)

BEGIN BRIDGE

PARTIAL FRAMING PLAN

" = 1'-0"2 1Scale:

SECTION A-A

Scale: 1" = 1'-0" stringer (Typ.)

3" x 12" Timber

(Typ.)

(See Note 2)

Hurricane tie

A tie (Typ.)

Hurricane

Notes:

header (Typ.)

3" x 6" Timber pile (Typ.)

8" x 8" Timber

CL Structure

TYPICAL SECTION

" = 1'-0"2 1Scale:

PARTIAL PLAN

deck

Timber

2" x 6"

(Typ.)

10'-0" Max.

deck (Typ.)

2" x 6" Timber top rail (Typ.)

2" x 8" Timber

2"

(Typ.)

T y p

Scale: 1" = 1'-0"

1'-6"

SPACER BLOCK DETAIL

(Typ.)

Timber deck

2" x 6"

(See Note 5)

Top deck elev.

V a r ie s stringer (Typ.)

3" x 12" Timber pile (Typ.)

8" x 8" Timber

(Typ.)

spacer block y p

E m b e d m e n t

R04

JEG As shown 4

STA. 15+24.22 TO STA. 17+44.22

WILDLIFE PIER ELEVATED BOARDWALK

steel bolt (Typ.)

header

3" x 6" Timber screw (Typ.)

" Stainless steel2 ground

Approximate existing

See Note 1

"8 12'-2

5'-0"

A C

T U

A L F I L E R

L A B

L B

A

W il d li fe P ie r E le v B o a r d w .d g n

Timber cross bracing

2" x 4" x Length

6'-6"

A 7'-7" header

3" x 6" Timber

" = 1'-0"4 3Scale:

14+14.85 TO STA. 18+53.89" sheet for additional details.

5. For top of deck elevations, see "WILDLIFE PIER ELEVATION STA.

existing pile in all directions.

ensure a 24-inch clear distance between the proposed pile and the

4. Where proposed pile locations interfere with existing pile locations, -inch spacing between deck members. 4

13. Provide accordance with manufacturer's recommendations.

2. Attach stringer to header with stainless steel hurricane ties, in additional details.

1. See "RAIL DETAILS - 1" and "RAIL DETAILS - 2" sheets for

L StructureC

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Notes:

SECTION A-A

Scale: 1" = 1'-0" stringer (Typ.)

3" x 12" Timber

(Typ.)

(See Note 2)

Hurricane tie

A A

(Typ.)

Timber deck

2" x 6" header (Typ.)

3" x 6" Timber stringer (Typ.)

3" x 12" Timber pile (Typ.)

6" x 6" Timber top rail (Typ.)

2" x 8" Timber

L StructureC

L StructureC

PARTIAL FRAMING PLAN

" = 1'-0"2 1Scale:

" = 1'-0"2 1Scale:

PARTIAL PLAN

" = 1'-0"2 1Scale:

As shown

PARTIAL ELEVATION

pile (Typ.)

6" x 6" Timber stringer

3" x 12" Timber post (Typ.)

4" x 6" Timber rail (Typ.)

2" x 4" Timber header

3" x 6" Timber

(Typ.)

Hurricane tie

3'-6" 5'-0"

(Typ.)

spacer block

3" x 12" Timber deck

Timber

2" x 6" rail (Typ.)

2" x 4" Timber

10'-0"

" = 1'-0"1Scale:

CL Structure

Top deck rail (Typ.)

2" x 4" Timber

2"

(Typ.)

T y p

Scale: 1" = 1'-0"

1'-6"

SPACER BLOCK DETAIL

C

(Typ.)

L Pier deck (Typ.)

2" x 6" Timber

" 2 13 Equal spa.= 6'-62 Spa. @ 1'-9" = 3'-6"

10'-0" deck (Typ.)

2" x 6" Timber header (Typ.)

3" x 6" Timber V a r ie s ground

Approximate existing

11'-1"

R05

5JEG/NN

A C

T U

A L F I L E R

L A B

L B

A

W il d li fe P ie r F is h in g .D

G N

Butt ends of stringer (Typ.)

2'-6"

B

B

SECTION B-B

Timber spacer block (Typ.)

WILDLIFE PIER FISHING PIER

stringer (Typ.)

3" x 12" Timber steel bolt (Typ.)

header

3" x 6" Timber

E m b e d m e t y p pile (Typ.)

6" x 6" Timber screw (Typ.)

" Stainless steel2

See Note 1

Elev. 73.7'

Lower rail

Lower rail

Steel picket (Typ.)

Steel picket (Typ.)

6. See sheets D01 and D02 for additional details.

18+53.89" sheet for additional details.

5. See "WILDLIFE PIER ELEVATION STA. 14+14.85 TO STA.

existing pile in all directions.

ensure a 18-inch clear distance between the proposed pile and the

4. Where proposed pile locations interfere with existing pile locations, -inch spacing between deck members. 4

13. Provide in accordance with manufacturer's recommendations.

2. Attach stringer to header with stainless steel hurricane ties, additional details.

1. See "RAIL DETAILS - 1" and "RAIL DETAILS - 2" sheets for

4" max. gap opening

(Typ.)

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PERGOLA DETAILS - 1

"8 16 6'-3" "8

38'-4 "8

24'-0" c e n te r t o c e n te r o f c o lu m n s center to center of columns

"4 322'-11

(Typ.)

2'-0"

23'-10"

27'-0"

8'-4" 6'-3" 8'-4" center to center of columns

22'-11"

(Typ.)

2'-0" (Typ.)

1'-7"

" = 1'-0"8

FLOOR FRAMING PLAN

FLOOR PLAN

ROOF FRAMING PLAN

2'-6"

1" x 4" Continuous header (Typ.)

3" x 12" Timber

2" x 6" Timber deck tension band

2 - 2" x 8" Timber

2" x 8" Timber ridge (Hip) (Typ.)

rafters (Typ.)

2" x 4" Timber

(Typ.)

continuous band

2" x 4" Timber

V a r ie s

E m b e d m e t y p

24'-0"

ELEVATION

CC/NN

stringer (Typ.)

3" x 10" Timber beam (Typ.)

3" x 10" Timber

(East shown, West opposite hand)

R06

A C

T U

A L F I L E R

L A B

L B

A P e r g o la .d g n

5'-0"

(Typ.)

"8 38'-4 pile(Typ.)

8" x 8" Timber header

2 - 3" x 12" Timber existing ground

Approximate pile (Typ.)

8" x 8" Timber pile (Typ.)

8" x 8" Timber

Notes:

See Note 3

See Note 3

Note 2) panel roof (See

Stainless steel

(See Note 5) Viewing Device

(See Note 5) Viewing Device

Top deck

Elev. 73.7'

(Typ.)

Timber header

2 - 3" x 12"

5. Remove and reset viewing devices as approved by the CO.

14+14.85 TO STA. 18+53.89" sheets for additional details.

4. See "PERGOLA DETAILS - 2" and "WILDLIFE PIER ELEVATION STA.

sheets.

3. For rail connection details, see "RAIL DETAILS - 1" and RAIL DETAILS -2"

Submit drawings for CO approval.

2. Provide stainless steel panel roof similar to existing metal roof.

drawings for CO approval.

deck using stainless steel hardware. Typical for all locations. Submit

1. Provide ADA-compliant timber benches. Secure bench to the timber

(See Note 1)

Timber bench

(See Note 1)

Timber bench

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PERGOLA DETAILS - 2

CC

and washers steel bolts, nuts, " Stainless 4

" Tension connections8 12" x

ROOF HIP RAFTER DETAIL

Scale: 3" = 1'-0"

As shown connections

" Tension 8 12" x

Scale: 3" = 1'-0"

ROOF HIP RAFTER SECTION

" = 1'-0"2 1Scale: 1

CORNER ELEVATION

Water level

1'-7" x 8" tension band for hip rafter and 2"

Notch top of column

2 - 2" x 8" Tension band tension band (Typ.)

Notch column for 2" x 8" deck

2" x 6" Timber stringer

3" x 10" Timber beam

3" x 10" Timber

Notes:

See Note 1

(See Note 4)

Stainless steel panel roof

R07

A C

T U

A L F I L E R

L A B

L B

A P e r g o la

.D

G N

2" x 8" Timber hip rafter rafter (Typ.)

timber hip of column for

Angle notch top

8" x 8" Timber pile

" Ø Stainless steel bolts4 hip rafter

2" x 8" Timber band

Timber

2" x 4"

" Ø bolts4 column with 2 -bolted to

2 - 3" x 12" header

3" x 12" timber

Notch column for

Timber pile

8" x 8" roof. Submit drawings for CO approval.

4. Provide stainless steel panel roof similar to existing metal

-inch spacing between deck members. 4

13. Provide timber piles, do not install hurricane tie.

as approved by the CO. Where hurricane ties interfere with

Attach according to the manufacturer's recommendations,

2. Attach stringer to header with stainless steel hurricane ties.

DETAILS - 2" sheets.

1. For rail connection details, see "RAIL DETAILS - 1" and "RAIL

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Match line

5%

- 5%

0%

ELEVATION

JEG/NN

(See Note 4)

Fishing pier

"8 7438'-8

"8 7438'-8

" = 1'-0"8

30'-0" 10'-0" 40'-0" 10'-0" "16 79'-4 100'-0" 10'-0"

30'-0"10'-0"

0%

40'-0"10'-0""16 79'-410'-0" 100'-0"

STA. 14+14.85 TO STA. 18+53.89

WILDLIFE PIER ELEVATION

(See Note 3)

Sta. 17+44.22

(See Note 3)

Sta. 15+24.22

"4 18'-8

"4 18'-8

Match line elev. 78.7'

Top deck elev. 78.7'

Top deck (See Note 5)

Pergola

10'-0"

(Typ.)

"4 31'-9

"4 31'-9

R08

A C

T U

A L F I L E R

L A B

L B

A

E le v P o r t.

d g n elev. 73.7'

Top deck

Sta. 14+14.85 elev. 73.7'

Top deck

Sta. 18+53.89

(Cross bracing not shown for clarity)

6. See sheets D01 and D02 for additional details.

sheets for addtional details.

5. See "PERGOLA DETAILS - 1" and "PERGOLA DETAILS - 2"

4. See "WILDLIFE PIER FISHING PIER" sheet for additional details.

to STA. 17+44.22" sheet for additional details.

3. See "WILDLIFE PIER ELEVATED BOARDWALK STA. 15+24.22

2. See "WILDLIFE PIER BOARDWALK" sheet for additional details.

additional details.

1. See "RAIL DETAILS - 1" and "RAIL DETAILS - 2" sheets for

Notes:

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"8 31"4

32"8

DECK DETAIL

Scale: 3'' = 1'-0''

StringerCL

"2 15"2

Varies

2" 2" deck (Typ.)

2" x 6" Timber "2

2" 2"

Scale: 3'' = 1'-0''

Scale: 3'' = 1'-0''

Scale: 3'' = 1'-0''

DETAIL A

DETAIL B

bulkhead

3" x 12" Timber

Scale: 1'' = 1'-0''

Scale: 1'' = 1'-0'' deck (Typ.)

2'' x 6'' Timber pile

6" x 6" Timber deck (Typ.)

2'' x 6'' Timber curb (Typ.)

2" x 4" Timber post (Typ.)

4" x 4" Timber curb (Typ.)

2" x 4" Timber

(Typ.)

2" x 6" Timber deck

7"

9"

NN/JEG

curb (Typ.)

2'' x 4'' Timber post

4" x 4" Timber post

4" x 4" Timber

TRANSITION RAMP PLAN

TRANSITION RAMP ELEVATION

curb

2'' x 4'' Timber post

4" x 4" Timber post (Typ.)

4" x 4" Timber

(See Note 4)

Timber transition ramp

A C

T U

A L F I L E R

L A B

L B

A

C u r b T r a n s it io n R a m p

D e t.

D G

N ground elevation

Match existing

DETAIL C

CURB AND TRANSITION RAMP DETAILS

R09

9As shown curb (Typ.)

2" x 4" Timber

M in w id th header

3" x 10" Timber curb

2'' x 4'' Timber

Max.

with pilot hole (Typ.)

No. 12 Stainless steel screw bolt (See Note 2)

" Ø Timber dock8 tie (Typ.)

Hurricane stringer

Timber

3" x 12"

(Typ.)

bolt (See Note 2)

" Ø Timber dock8

(Typ.)

bolt (See Note 2)

" Ø Timber dock8

6. See sheets D03, D04, and D05 for additional details.

-inch spacing between deck members. 4

15. Provide specified. Submit shop drawings for CO approval.

4. Provide ADA-complaint timber transition ramps at locations

-inch beyond end of nut. Typical for all locations.2

13. Extend bolts dome head, 3-inch diameter washer and hex nut.

-inch diameter 4 1-inch diameter timber dock bolts with 28

52. Use

1. Install curb continuously at every other post.

Notes:

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RAIL DETAILS - 1

RAIL POST TYPICAL

INNER RAIL & PICKET DETAILS

CL

CL

NEAR MIDSPAN

(Not spliced)(Rail splice)

AT POST

CL

post

Timber see Note 5 (Typ.)

'' Ø steel picket,8

Inner rail (Top & bottom) see Note 5 (Typ.)

'' Ø steel picket,8

Inner rail (top & bottom)

See PICKET HOLE DETAIL

PICKET HOLE DETAIL

CL

As shown

R10 deck (Typ.)

2'' x 6'' Timber deck (Typ.)

2'' x 6'' Timber

Scale: 1'' = 1'-0''

POST DETAILS

Scale: 3'' = 1'-0''

POST ELEVATION AT BOTTOM

Scale: 3'' = 1'-0''

"2

"2

Not to scale

Not to scale deck (Typ.)

Timber

2''x 6'' steel pickets (Typ.)

'' Ø8 5to receive

''Ø holes16 11Drill

"4 32"4 hole (Typ.)

'' Ø Drilled 16 see Note 6 (Typ.)

" Ø Weep hole,4

A C

T U

A L F I L E R

L A B

L B

A

R a il

D e t-

.d g n

(Typ.)

post (Typ.)

4" x 6" Timber picket (Typ.)

PARTIAL ELEVATION

JEG/NN

" max. center to center 8 5Equal spacing, 4

(Typ.)

(See Note 1)

Rail splice stringer

3" x 12" Timber block

Timber spacer

3'' x 12"

V a r ie s bottom (Typ.)

inner rail

4" x 4" Timber

(Inside face shown)

" = 1'-0''2 1Scale: 1

(See Note 4) bolt (Typ.)

See Note

5'-0" max.

4" max. gap opening

REVISIONSBYDATENO.REVISIONSBYDATENO.

dome head, 3-inch diameter washer and hex nut.

-inch diameter 4 1-inch diameter timber dock bolts with 28

57. Use picket hole, bottom rail only.

-inch diameter 16 11-inch diameter weep hole through every 4

16. Drill finish as approved by the CO.

-inch diameter steel picket with black matte8

55. Shop-prime and paint

-inch beyond end of nut. Typical for all locations.2

14. Extend bolts and bottom rails.

-inch diameter bolt at midspan of top 16

53. Locate additional single

2. Use 4 bolts at all splices for each 4-inch by 6-inch timber post.

front and back rails.

1. Stagger top rail with bottom rail splices and stagger between

Notes:

STATE PROJECT

NUMBER

SHEET

LA LA ERFO FW BLBA 2016-2(1)

U.S. DEPARTMENT OF TRANSPORTATION

-J u n -2

1:

P

M M

P R

O J E

C T

S F

W S B

L B

A la

-2 (1

B r id g e M ic r o s ta ti o n B r id g e

D e s ig n

F il e s P

R O J E

C T

S .d

RAIL DETAILS - 2

CL

POST DETAILS AT SPLICE

TOP RAIL

BOTTOM RAIL

TOP RAIL

CL

(Typ.)

4''x 6'' Timber post

T y p

POST DETAILS MIDSPAN

"2

TOP RAIL

CL

(Typ.)

4''x 6'' Timber post

POST ELEVATION AT SPLICE

3" "4 31 "4 inner rail

4'' x 4'' Timber

3" "4 31 3""4

(Typ.)

'' Ø Drilled hole8

No scale see Note 4 (Typ.)

'' Ø Carriage bolts,16 see Note 4 (Typ.)

'' Ø Carriage bolts,8 see Note 4 (Typ.)

'' Ø Carriage bolts,8 see Note 4 (Typ.)

'' Ø Carriage bolts,16

R11

(Typ.)

4'' x 6'' Timber post

3"

4'' x 4'' Timber inner rail rail (Typ.)

2'' x 4'' Timber rail (Typ.)

2'' x 4'' Timber rail (Typ.)

2'' x 4'' Timber

(Typ.)

'' Ø Drilled hole8

BOTTOM RAIL BOTTOM RAIL

"2

"2 top rail

2" x 8" Timber

"2

"2

"2

A C

T U

A L F I L E R

L A B

L B

A

R a il

D e t-

.d g n

JEG

rail

Timber

2'' x 4'' rail

Timber

2'' x 4''

2''x 4'' Timber rail rail

Timber

2'' x 6''

REVISIONSBYDATENO.REVISIONSBYDATENO.

picket hole, bottom rail only.

-inch diameter 16 11-inch diameter weep hole through every 4

16. Drill finish as approved by the CO.

-inch diameter steel picket with black matte8

55. Shop-prime and paint

-inch beyond end of nut. Typical for all locations.2

14. Extend bolts and bottom rails.

-inch diameter bolt at midspan of top 16

53. Locate additional single

2. Use 4 bolts at all splices for each 4-inch by 6-inch timber post.

front and back rails.

1. Stagger top rail with bottom rail splices and stagger between

Notes:

STATE PROJECT

NUMBER

SHEET

LA LA ERFO FW BLBA 2016-2(1)

U.S. DEPARTMENT OF TRANSPORTATION