Plans - NP-GWMP MVT(5).pdf

PDF 17 MB Posted

Attached to
George Washington Memorial Parkway Federal contract opportunity
Solicitation number
693C73-23-B-000004
Issued by
Department of Transportation Federal Highway Administration

About this file

This document provides details for a federal solicitation to replace trail bridges on the George Washington Memorial Parkway. The solicitation is open only to certified Small Business Concerns and seeks bids to replace two timber trail bridges and reconstruct asphalt approaches for the parkway. The project cost is estimated between $2-5 million. Interested vendors must register at the provided website by October 5th, 2022 to receive solicitation documents and any updates. Bids are due at a date and location specified in the solicitation. In addition to completing bid documents, annual representations and certifications must be filed through the System for Award Management at www.sam.gov. Questions regarding this construction project should be directed to the specified email address.

View the file

Other files for this federal contract opportunity

Other files attached to George Washington Memorial Parkway, newest first.
File Type Posted
Results of Bid Opening - NP-GWMP MVT(5).pdf PDF
Amendment 0005 - NP-GWMP MVT(5).pdf PDF
Amendment 0004 - NP-GWMP MVT(5).pdf PDF
Amendment 0003 - NP-GWMP MVT(5).pdf PDF
Amendment 0002 - NP-GWMP MVT(5).pdf PDF
Amendment 0001 - NP-GWMP MVT(5).pdf PDF
Geotechnical Report.pdf PDF
IFB Solicitation - NP-GWMP MVT(5).pdf PDF
NPS Supplemental Specifications.pdf PDF
Categorical Exclusion Form (NEPA).pdf PDF
FP14_Eng.pdf PDF
VETS-4212 Form.pdf PDF
ADV_Bidders Qualifications Form.doc DOC document
Show all 13

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Text version

fh fl fi le s e rv e .f lh d .f h w a .d o t.

g o v \d a ta

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NO. DATE BY REVISIONS NO. DATE BY REVISIONS

INDEX OF DRAWINGS

GENERAL NOTES AND INDEX

Timber: 50 pcf

Pedestrian: 90 psf

No scale

Design:

Construction:

Dead Load:

Live Loads:

Timber:

Structural Steel:

R01

SCOPE OFWORK

2. Remove and replace Bridge 24.

1. Remove and replace Bridge 23.

R

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M P

M

V T

(5

G N

.d g n A

C T

U A

L F

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GENERAL NOTES

SPECIFICATIONS

DESIGN LOADING

MATERIALS

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

Truck: H10

SHEET NO. DRAWING TITLE

R23

R22

R21

R20

R19

R18

R17

R16

R15

R14

R13

R12

R11

R10

R09

R08

R07

R06

R05

R04

R03

R02

R01

Bridge 24 - Subsurface profile

Bridge 24 - Boring Location

Bridge 23 - Subsurface profile

Bridge 23 - Boring Locations

Rail Details - 3

Rail Details - 2

Rail Details - 1

Bridge 24 - Typical Section, Framing Plan and Details

Bridge 24 - Plan and Elevation

Bridge 23 - Outlook Framing Plan and Details

Bridge 23 - Outlook Details

Bridge 23 - Partial Plan and Partial Elevation

Bridge 23 - Main Channel, Typical Section and Partial Framing Plan

Bridge 23 - Typical Span, Typical Section and Partial Framing Plan

Bridge 23 - Framing Plan - 4

Bridge 23 - Framing Plan - 3

Bridge 23 - Framing Plan - 2

Bridge 23 - Framing Plan - 1

Bridge 23 - Plan and Elevation - 4

Bridge 23 - Plan and Elevation - 3

Bridge 23 - Plan and Elevation - 2

Bridge 23 - Plan and Elevation - 1

General Notes and Index

Furnish stainless steel hangers and hurricane ties.

Furnish steel rods conforming to ASTM A36, Fy= 36 ksi.

Furnish square drive stainless steel deck screws.

type 304 or 316.

Furnish stainless steel fasteners and hardware conforming to ASTM F593, ASTM F594, ASTM F1667, Furnish Southern Pine Structural Glued Laminated Timber Stress Class 26F-1.9E or better.

2" and wider.

Table 8.4.1.1.4-1 - Reference Design Values for Visually Graded Sawn Lumber - 2" to 4" thick, Furnish Southern Pine Select Structural or better that conforms to the design values from AASHTO and headers. Obtain all timber from a single approved source.

category UC4A-Ground Contact General Use (Commodity Specification A only) treatment for stringers

Furnish use category UC3B-Above Ground, Exposed treatment for decking and railings. Furnish use copper based solutions or suspensions that does not contain arsenic and/or chromium compounds.

Pressure treat all timber and lumber in accordance with the latest AWPA Standard U1 for waterborne

All sawn lumber call outs are nominal dimensions.

National Design Specifications for wood construction, American Forest annd Paper Association, 2012 edition.

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

AASHTO LRFD Bridge Design Specifications, Eighth Edition, 2017.

STATE PROJECT

NUMBER

SHEETNPS

NO.NO.

PMIS

168551

196403 VA NP-GWMP MVT(5)

PROJECT TEAM LEADERSCALECHECKED BYDRAWN BYDESIGNED BY

AD JEG Chris NegleyRE of

DATE

U.S. DEPARTMENT OF TRANSPORTATION

FEDERAL HIGHWAY ADMINISTRATION

EASTERN FEDERAL LANDS HIGHWAY DIVISION

BRP NO.BRIDGE PLAN SHEET

BRP-125823

MOUNT VERNON TRAIL

GEORGE WASHINGTON MEMORIAL PARKWAY

BRIDGE 23 AND 24

August 2022 fh fl fi le s e rv e .f lh d .f h w a .d o t.

g o v \d a ta

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REVISIONSNO. DATE BY REVISIONS NO. DATE BY

PLAN

ELEVATION

R02

1" = 10'

N

R G

W M

P M

V T

(5

B ri d g e

P

E -1

.d g n

A C

T U

A L

F

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E

1064'-10"

8°48'13" 2°52'40"

139'-5"

139'-5"

19'-9" 79'-6" 70'-1"

20'

79'

70'

7°19'45"

BRIDGE 23 - PLAN AND ELEVATION - 1

4°48'28"

9' 9'

9'-2" 9'-6"

STATE PROJECT

NUMBER

SHEETNPS

NO.NO.

PMIS

168551

U.S. DEPARTMENT OF TRANSPORTATION

MOUNT VERNON TRAIL

GEORGE WASHINGTON MEMORIAL PARKWAY

BRIDGE 23 AND 24

August 2022

0 0 0

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27

CL Structure

(Typ.)

Helical pile

Match line

Match line ground line

Approximate existing

-5

-10

-15

-20

Elev. 4.5'

Begin Bridge bridge

Existing

Bridge length: 1064'-10"

Elev. 7.0'

Elev. 4.5'

Begin Bridge

KEY

= Span number

C

19 20

(Typ.)

Existing bridge

LOCATION FACTORED CAPACITY

HELICAL PILE DATA TABLE

(kip/pile)

61, 62, 63

All others

2.6% pile (Typ.)

Existing timber

(See Note 5)

Outlook

15, 16, 17, 18

Notes:

1. Mark existing timber pile location prior to removal.

Install helical piles at the same location as existing timber piles.

2. Furnish helical piles with a factored capacity as shown in the "HELICAL PILE DATA TABLE".

5. See sheet "OUTLOOK DETAILS" for aditional information.

= L Pier number

(See Note 4)

Information sign

(See Note 5)

Bench

(Typ.)

Timber deck

3" x 6"

Span 1 & Span 2

(Except Outlook)

Span 10 - Span 105

V a r ie s

Span 3 - Span 9

3. Estimated length for each helical pile is 60 feet.

4. Remove and reset sign, as approved by the CO.

fh fl fi le s e rv e .f lh d .f h w a .d o t.

g o v \d a ta

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R03

1" = 10' 3

60'-0

59'-1 1"

9'-5" 19'-10"

139'-5"

139'-5" 60'-0" 59'-11" 40'-3" 19'-1" 9'-5" 19'-11"

R G

W M

P M

V T

(5

B ri d g e

P

E -2

.d g n

A C

T U

A L

F

IL

E

2°3 2'0

8°2

7'8"

19'-1"

3°4'5"

0°2 0'2

1"

0°3 3'4

6.5

1°48'30"

BRIDGE 23 - PLAN AND ELEVATION - 2

N

40'-3

STATE PROJECT

NUMBER

SHEETNPS

NO.NO.

PMIS

168551

U.S. DEPARTMENT OF TRANSPORTATION

MOUNT VERNON TRAIL

GEORGE WASHINGTON MEMORIAL PARKWAY

BRIDGE 23 AND 24

August 2022

0 0

29 30

(Typ.)

Timber deck

3" x 6" x 16'

(Typ.)

Helical pile ground line

Approximate existing

Match line

Match line

31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55

30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 5428 line

Match line

Match

CL Str uctur e

-5

-10

-15

-20

1064'-10"

Elev. 7.0'Elev. 7.0' bridge

Existing

KEY

= Span number

C

52 53 54 55

39'-8"

39'-8"

0%

(Typ bridg e

Exist ing

= L Pier number

Bridge length: 1064'-10"

3. Estimated length for each helical pile is 60 feet.

PLAN AND ELEVATION-1".

in the "HELICAL PILE DATA TABLE" on sheet "BRIDGE 23-

2. Furnish helical piles with a factored capacity as shown timber piles.

Install helical piles at the same location as existing

1. Mark existing timber pile location prior to removal.

Notes:

fh fl fi le s e rv e .f lh d .f h w a .d o t.

g o v \d a ta

\P R

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B ri d g e \M ic ro s ta ti o n \B ri d g e D e s ig n F il e s \0

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S .d

R04

1" = 10' 4

R G

W M

P M

V T

(5

B ri d g e

P

E -3

.d g n

A C

T U

A L

F

IL

E

BRIDGE 23 - PLAN AND ELEVATION - 3

18'-1" 21'-0" 21'-9"

179'-4"

179'-4"

N STATE PROJECT

NUMBER

SHEETNPS

NO.NO.

PMIS

168551

U.S. DEPARTMENT OF TRANSPORTATION

MOUNT VERNON TRAIL

GEORGE WASHINGTON MEMORIAL PARKWAY

BRIDGE 23 AND 24

August 2022

(Typ.)

Timber deck

3" x 6" x 16'

(Typ.)

Helical pile

Match line

Match line

0 -

-3

CL Structure line

Match line

Match

57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 8180

57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 ground line

Approximate existing

-5

-10

-15

-20

Elev. 7.0'

1064'-10"

Elev. 7.0'

KEY

= Span number

C

56 57 6058 59 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81

0%

39'-8"

39'-8"

79'-7"

79'-7" bridge (Typ.)

Existing bridge (Typ.)

Existing

= L Pier number

18'-1" 21'-0" 21'-9"

Bridge length: 1064'-10"

3. Estimated length for each helical pile is 60 feet.

PLAN AND ELEVATION-1".

in the "HELICAL PILE DATA TABLE" on sheet "BRIDGE 23-

2. Furnish helical piles with a factored capacity as shown timber piles.

Install helical piles at the same location as existing fh fl fi le s e rv e .f lh d .f h w a .d o t.

g o v \d a ta

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S .d g

R05

1" = 10' 5

R G

W M

P M

V T

(5

B ri d g e

P

E -4

.d g n

A C

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E

31'-10"46'-6"40'-8"10'-4"30'-2"

30'-2" 10'-4" 9'-10"

40'-8"

46'-6"

31'-10"

0°14'45"

1°11 '22"

9'-10"

BRIDGE 23 - PLAN AND ELEVATION - 4

N STATE PROJECT

NUMBER

SHEETNPS

NO.NO.

PMIS

168551

U.S. DEPARTMENT OF TRANSPORTATION

MOUNT VERNON TRAIL

GEORGE WASHINGTON MEMORIAL PARKWAY

BRIDGE 23 AND 24

August 2022

(Typ.)

Timber deck

3" x 6" x 16'

(Typ.)

Helical pileground line

Approximate existing

Match line

Match line

CL Structure

83 84 85 8786 88 89 90 91 9492 93 95 96 97 98 99

82 83 84 85 86 87 88 89 90 91 92 93 94 95 97 98

-5

-10

-15

-20

Elev. 7.0'

103 104 105 106

1064'-10"

Elev. 3.7'

End Bridge

100 101 102

Elev. 3.7'

End Bridge

100 101 102 103 104 10599

KEY

= Span number

C

79'-7"

82 83 84

87 88 89 90 91 92 93 94

102 103

2.6%

79'-7" bridge (Typ.)

Existing

(Typ.)

bridge

Existing

= L Pier number

Bridge length: 1064'-10"

3. Estimated length for each helical pile is 60 feet.

PLAN AND ELEVATION-1".

in the "HELICAL PILE DATA TABLE" on sheet "BRIDGE 23-

2. Furnish helical piles with a factored capacity as shown timber piles.

Install helical piles at the same location as existing fh fl fi le s e rv e .f lh d .f h w a .d o t.

g o v \d a ta

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Match line Detail "A"

Dimension "B"

D im e n s io n

A " L StructureC

Dimension "CL"

Dimension "C" stringer (Typ.)

Butt ends of

DETAIL "A"

Scale: 1" = 10'-0"

" = 1'-0"8 3Scale:

As shown

105 Spans (lengths vary) total = 1064'-2"

N

R06

(Typ.)

L Helical pileC

2"

(Typ.)

T y p

Scale: 1" = 1'-0"

SPLICE BLOCK DETAIL

R G

W M

P M

V T

(5

B ri d g e

F R

A M

E -1

.d g n

A C

T U

A L

F

IL

E

FRAMING PLAN

(Typ.)

L PierC

(See Note 2)

Outlook

Bridge

Begin

Bridge Length: 1064'-10"

(Typ.)

on outside bays only

Timber splice block

3" x 12" x 18"

BRIDGE 23 - FRAMING PLAN - 1

(Typ)

" Screw 2

KEY

= Span number

= L Pier numberC for timber blocking spacing.

SECTION AND PARTIAL FRAMING PLAN" sheet

3. See "BRIDGE 23 - TYPICAL SPAN, TYPICAL

AND DETAILS" sheet, for outlook framing.

2. See "BRIDGE 23 - OUTLOOK FRAMING PLAN ordering materials.

1. Verify all dimensions in the field prior to

Notes:

(Typ.)

Timber diaphragm block

"2 13" x 12" x 6

(See Note 3)

(Typ.)

Timber blocking

"2 13" x 12" x 9

(Typ.)

stringer

3" x 12" Timber

* Outside face of timber stringer at C glulam headerL

T y p

" Detail "B"

1'-6"

DETAIL "B"

exterior stringers and one side of interior stringers both sides of all

Hurricane tie (Typ.)

C

L Pier 7

L Pier 4 C

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

Exterior stringer stringers and shim between

4 - 1/2" Bolts

C L P il e s

R10

Sheet

See

STATE PROJECT

NUMBER

SHEETNPS

NO.NO.

PMIS

168551

U.S. DEPARTMENT OF TRANSPORTATION

MOUNT VERNON TRAIL

GEORGE WASHINGTON MEMORIAL PARKWAY

BRIDGE 23 AND 24

August 2022 fh fl fi le s e rv e .f lh d .f h w a .d o t.

g o v \d a ta

\P R

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C T

S \g w m p \m v t(

B ri d g e \M ic ro s ta ti o n \B ri d g e D e s ig n F il e s \0

P

R O

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C T

S .d g

Match line

Bridge Length: 1064'-10"

Match line

105 Spans (lengths vary) total = 1064'-2"

N

71" = 10'-0"

R07

R G

W M

P M

V T

(5

B ri d g e

F R

A M

E -2

.d g n

A C

T U

A L

F

IL

E

FRAMING PLAN

KEY

= Span number

= L Pier numberC

BRIDGE 23 - FRAMING PLAN - 2

Detail "A", for further information.

2. See "BRIDGE - 23 FRAMING PLAN - 1" sheet, ordering materials.

1. Verify all dimensions in the field prior to

Notes:

STATE PROJECT

NUMBER

SHEETNPS

NO.NO.

PMIS

168551

U.S. DEPARTMENT OF TRANSPORTATION

MOUNT VERNON TRAIL

GEORGE WASHINGTON MEMORIAL PARKWAY

BRIDGE 23 AND 24

August 2022

53 54 55

51 53 54 55 fh fl fi le s e rv e .f lh d .f h w a .d o t.

g o v \d a ta

\P R

O J E

C T

S \g w m p \m v t(

B ri d g e \M ic ro s ta ti o n \B ri d g e D e s ig n F il e s \0

P

R O

J E

C T

S .d g n of

Bridge Length: 1064'-10" line

Match line

Match

R08

105 Spans (lengths vary) total = 1064'-2"

N

FRAMING PLAN

L StructureC

" = 1'-0"8 3Scale:

Dimension "C"

Dimension "B"

D im e n s io n

A

(Typ.)

L Helical pileC

C stringer (Typ.)

Butt ends of

3'-0"

T y p

(Typ.)

2"

8"

(Typ.)

DETAIL "B"

Scale: 1" = 1'-0"

Scale: 1" = 10'-0"

As shown

R G

W M

P M

V T

(5

B ri d g e

F R

A M

E -3

.d g n

A C

T U

A L

F

IL

E

Dimension "CL"

(Typ.)

" Screw 2

KEY

= Span number

= L Pier numberC

SPLICE BLOCK DETAIL

(Typ.)

on outside bays only

Timber splice block

3" x 12" x 36" of exterior stringers strigers and one side both sides of all interior

Hurricane tie (Typ.)

BRIDGE 23 - FRAMING PLAN - 3

(Typ.)

L Pier

(See Note 2)

Detail "B"

(See Note 3)

(Typ.)

Timber blocking

3" x 12" x 9"

(Typ.)

stringer

" Glulam4 33" x 13 sheet for timber blocking spacing.

SECTION AND PARTIAL FRAMING PLAN"

3. See "BRIDGE 23 - MAIN CHANNEL, TYPICAL

2. See "Detail B" for span 61 and 62.

ordering any materials.

1. Verify all dimensions in the field prior to

Notes:

(Typ.)

Timber diaphragm block

"2 13" x 12" x 6

C L P il e s

STATE PROJECT

NUMBER

SHEETNPS

NO.NO.

PMIS

168551

U.S. DEPARTMENT OF TRANSPORTATION

MOUNT VERNON TRAIL

GEORGE WASHINGTON MEMORIAL PARKWAY

BRIDGE 23 AND 24

August 2022

56 57 58 59

60 61

63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80

5655 57 58 59 60 61

63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 fh fl fi le s e rv e .f lh d .f h w a .d o t.

g o v \d a ta

\P R

O J E

C T

S \g w m p \m v t(

B ri d g e \M ic ro s ta ti o n \B ri d g e D e s ig n F il e s \0

P

R O

J E

C T

S .d g n

Bridge Length: 1064'-10" R09

105 Spans (lengths vary) total = 1064'-2"

N

91" = 10'-0"

R G

W M

P M

V T

(5

B ri d g e

F R

A M

E -4

.d g n

A C

T U

A L

F

IL

E line

Match

Bridge

End

Detail "A", for further information.

2. See "BRIDGE - 23 FRAMING PLAN - 1" sheet, ordering any materials.

1. Verify all dimensions in the field prior to

Notes:

BRIDGE 23 - FRAMING PLAN - 4

KEY

= Span number

= L Pier numberC

FRAMING PLAN

R10

Sheet

See

STATE PROJECT

NUMBER

SHEETNPS

NO.NO.

PMIS

168551

U.S. DEPARTMENT OF TRANSPORTATION

MOUNT VERNON TRAIL

GEORGE WASHINGTON MEMORIAL PARKWAY

BRIDGE 23 AND 24

August 2022

81 82 83 84 85 86 87 88 89 90 91 92 93 94

80 81 82 83 84 85 86 87 88

9392 94

102 103 104

100 101 102 103 104 105 fh fl fi le s e rv e .f lh d .f h w a .d o t.

g o v \d a ta

\P R

O J E

C T

S \g w m p \m v t(

B ri d g e \M ic ro s ta ti o n \B ri d g e D e s ig n F il e s \0

P

R O

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C T

S .d

Varies stringer (Typ.)

Butt ends of stringer (Typ.)

3" x 12" Timber

L StructureC

L/4 L/2 L/4 blocking (Typ.)

3" x 12" Timber

L StructureC header

" Glulam 4 3" x 134

(Typ.)

Glulam header

" x 16" 4 3" x 134

R10

PARTIAL FRAMING PLAN

1'-0"

(Typ.) (Typ.)

(See Note 3)

Hurricane tie

TYPICAL SPAN

stringer (Typ.)

3" x 12" Timber

SECTION AND PARTIAL FRAMING PLAN

BRIDGE 23 - TYPICAL SPAN, TYPICAL

(Typ.)

5L

C

Rail (See Note 2)

" = 1'-0"8 3Scale:

" = 1'-0"4 3Scale:

As shown

SECTION A-A

Scale: 1" = 1'-0" header

" Glulam4 3" x 134

R G

W M

P M

V T

(5

B ri d g e

T y p X

S

P a rt

-F ra m .d g n

A C

T U

A L

F

IL

E

C block (See Note 6) stringer spacer

3" x 12" Timber

(Typ.)

Helical pile

(See Note 5)

(End similar)

BEGIN BRIDGE

AA

pile (Typ.)

Helical

Notes:

outside bays only (Typ.)

Timber splice block

3" x 12" x 18" bays only (Typ.)

diaphragm block outside

" Timber 2 13" x 12" x 6

(Typ.)

L Pier

AT MIDSPAN AT PIER

deck (Typ.)

3" x 6" x 16' Timber

TYPICAL SECTION

deck (Typ.)

3" x 6" x 16' Timber

(See Note 5) splice block

3" x 12" x 18" Timber stringer (Typ.)

3" x 12" Timber and 106 only rim joist, Piers 1

3" x 12" Timber

5'-9" (Max.)

13'-10" (Span 1 & Span 2)

11'-10" (Span 1 & Span 2)

16'-0" (Typ.)

14'-0" (Typ.)

4'-6" (Min.)

Varies 13'-10" to 16'-0" (Span 3 - Span 9)

Varies 11'-10" to 14'-0" (Span 3 - Span 9)

4'-10" (Span 1 & Span 2)

Varies 4'-10" to 7'-0" (Span 3 - Span 9)

5'-10" (Span 1 & Span 2)

Varies 5'-10" to 8'-0" (Span 3 - Span 9)

HELICAL PILE HEADER BRACKET

Not to Scale

B

B

ELEVATION SECTION B-B

"4

"2

Glulam header h e x b o lt s

T y p

Ø w it h h o le s base of saddle

" Fillet welded to16 width

Saddle

" 8 half turn (Typ.)

hand tightened plus a

" Ø bolt 2 1" Ø Hole with 8 galvanizing per ASTM A153.

7. Provide hot rolled steel pile bracket with hot dipped

ELEVATION" for additional details.

6. See sheet "BRIDGE 23 - PARTIAL PLAN AND PARTIAL detail.

5. See "BRIDGE 23 - FRAMING PLAN - 1" sheet for splice block

-inch spacing between deck members.8

14. Provide helical piles, do not install hurricane tie.

approved by the CO. Where hurricane ties interfere with

Attach according to manufacturer's recommendations, as

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

DETAILS - 3" sheets for additional details.

2. See "RAIL DETAILS - 1", "RAIL DETAILS - 2", and "RAIL layout details.

"BRIDGE 23 - FRAMING PLAN 4" sheets for additional

FRAMING 2", "BRIDGE 23 - FRAMING PLAN 3" and

1. See "BRIDGE 23 - FRAMING PLAN 1", "BRIDGE 23 -

(Typ.)

approach fill extends 3' into

Exterior girder

SECTION C-C

" = 1'-0"2 1Scale:

stringer

3" x 12" Timber

3" x 3" Timber

C

C

Contractor as designed by

Helical shaft pipe

Contractor as designed by

Shaft pipe sleeve

(Typ.)

thickness

" Plate 4

STATE PROJECT

NUMBER

SHEETNPS

NO.NO.

PMIS

168551

U.S. DEPARTMENT OF TRANSPORTATION

MOUNT VERNON TRAIL

GEORGE WASHINGTON MEMORIAL PARKWAY

fh fl fi le s e rv e .f lh d .f h w a .d o t.

g o v \d a ta

\P R

O J E

C T

S \g w m p \m v t(

B ri d g e \M ic ro s ta ti o n \B ri d g e D e s ig n F il e s \0

P

R O

J E

C T

S .d

" = 1'-0"4 3Scale:

16'-0"

14'-0" stringers (Typ.)

Butt ends of

L StructureC

L/8 L/4

L StructureC

R11

4'-6" (Min.)

L/4 L/4 L/8

Varies blocking (Typ.)

3" x 12" Timber

SECTION B-B

header

" Glulam 4 3" x 154

" = 1'-0"4 3Scale:

PARTIAL PLAN

6"

Scale: 1" = 1'-0" header

" Glulam4 3" x 154 header

" Glulam4 3" x 154

SECTION C-C

Scale: 1" = 1'-0"

CC

(Typ.)

(See Note 3)

Hurricane tie

1'-0"

(Typ.)

stringer (Typ.)

" Glulam4 33" x 13

L L Pier 62C

AT PIER 61 & 63AT MIDSPAN

C

As shown 11

SECTION AND PARTIAL FRAMING PLAN

BRIDGE 23 - MAIN CHANNEL, TYPICAL

stringer (Typ.)

3" x 12" Timber Notes:

(Max.)

"4

Min.

BB

R G

W M

P M

V T

(5

B ri d g e

T y p X

S

P a rt

-F ra m .d g n

A C

T U

A L

F

IL

E

(See Note 6) spacer block

3" x 12" Timber

(Typ.)

Helical pile

(Span 61 and 62)

(See Note 5) outside bays only (Typ.)

Timber splice block

3" x 12" x 36"

(Typ.)

Helical pile stringer (Typ.)

" Glulam4 33" x 13

C hand)

( L Pier 63 opposite

L Pier 61 deck (Typ.)

3" x 6" x 16' Timber

(Typ.)

stringer

Glulam

" 4 33" x 13

C deck (Typ.)

3" x 6" x 16' Timber

Rail (See Note 2) deck (Typ.)

3" x 6" x 16' Timber

TYPICAL SECTION

bays only (Typ.)

diaphragm block outside

" Timber2 13" x 12" x 6 stringer

3" x 12" Timber splice block

3" x 12" x 36" Timber stringer (Typ.)

" Glulam4 33" x 13

L Pier 62

5'-9" (Max.)

(Pier 63 opposite hand)

C Pier 61 for additional details.

7. See "BRIDGE 23 - PARTIAL PLAN AND PARTIAL ELEVATION" approved by the CO.

6. Furnish coped glulam stringer for main channel spans as detail.

5. See "BRIDGE 23 - FRAMING PLAN - 3" sheet for splice block

14. Provide

Attach according to manufacturer's recommendations, as

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

DETAILS - 3" sheets for additional details.

2. See "RAIL DETAILS - 1", "RAIL DETAILS - 2", and "RAIL layout details.

"BRIDGE 23 - FRAMING PLAN 4" sheets for additional

FRAMING 2", "BRIDGE 23 - FRAMING PLAN 3" and

1. See "BRIDGE 23 - FRAMING PLAN 1", "BRIDGE 23 -

STATE PROJECT

NUMBER

SHEETNPS

NO.NO.

PMIS

168551

U.S. DEPARTMENT OF TRANSPORTATION

MOUNT VERNON TRAIL

GEORGE WASHINGTON MEMORIAL PARKWAY

fh fl fi le s e rv e .f lh d .f h w a .d o t.

g o v \d a ta

\P R

O J E

C T

S \g w m p \m v t(

B ri d g e \M ic ro s ta ti o n \B ri d g e D e s ig n F il e s \0

P

R O

J E

C T

S .d

PARTIAL PLAN

PARTIAL ELEVATION

R12

AND PARTIAL ELEVATION

BRIDGE 23 - PARTIAL PLAN

Notes:

(Typ.)

Helical pile

" = 1'-0'8 stringer (Typ.)

3" x 12" Timber

R G

W M

P M

V T

(5

B ri d g e

P a rt

-P la n .d g n

A C

T U

A L

F

IL

E overlay

Existing trail

BRIDGE BEGINING

(End similar)

TYPICAL SPAN MAIN CHANNEL SPAN

header (Typ.)

" Glulam4 3" x 134

(Typ.)

L PierC header (Typ.)

" Glulam8 1" x 154

CL Pier 61

(Pier 63 similar)

(Typ.)

spacer block

3" x 12" Timber (See Note 5)

3" x 6" x 18" Timber

BRIDGE BEGINING

(End similar)

TYPICAL SPAN MAIN CHANNEL SPAN

stringer

" Glulam4 33" x 13 deck (Typ.)

3" x 6" x 16' Timber

BRIDGE BEGINING

(End similar) left and right both abutments

90° return wing

3"x12"x36" Bot.

3"x3"x36" Top up with rail post.

adjacent deck planks to support overhang when deck lines

5. Screw a 3- by 6- by 18-inch block to underside of

-inch spacing between deck members.8

14. Provide spacer block where splicer block is installed.

3. Provide a spacer block at each rail post. Do not install

DETAILS - 3" sheets for additional details.

2. See "RAIL DETAILS - 1", "RAIL DETAILS - 2", and "RAIL layout details.

"BRIDGE 23 - FRAMING PLAN 4" sheets for additional

FRAMING 2", "BRIDGE 23 - FRAMING PLAN 3" and

1. See "BRIDGE 23 - FRAMING PLAN 1", "BRIDGE 23 -

STATE PROJECT

NUMBER

SHEETNPS

NO.NO.

PMIS

168551

U.S. DEPARTMENT OF TRANSPORTATION

MOUNT VERNON TRAIL

GEORGE WASHINGTON MEMORIAL PARKWAY

fh fl fi le s e rv e .f lh d .f h w a .d o t.

g o v \d a ta

\P R

O J E

C T

S \g w m p \m v t(

B ri d g e \M ic ro s ta ti o n \B ri d g e D e s ig n F il e s \0

P

R O

J E

C T

S .d

R13

Notes:

(Typ.)

Helical pile

" = 1'-0'8

R

G W

M P

M

V T

(5

B ri d g e

O u tl o o k

-d e t.

d g n A

C T

U A

L F

IL

E

PLAN

(See Note 4)

Detail "D"

SECTION D-D

(See Note 3)

Sign

Information

(See Note 4)

Detail "E"

D

D

ELEVATION

header (Typ.)

" Glulam8 1" x 154 deck (Typ.)

3" x 6" Timber

C post

L Timber deck

3" x 6" Timber

Scale: 1" = 1'-0"

" = 1'-0"8 3Scale:

" = 1'-0"8 3Scale:

BRIDGE 23 - OUTLOOK DETAILS

10'-2" 10'-1" 10'-0"

10'-0"

12'-0"

10'-0" stringer (Typ.)

3" X 12" Timber

CL Pier 15 CL Pier 16 CL Pier 17 CL Pier 18 splice block

3" x 12" Timber

M a tc h e x is ti n g stringer

" Glulam4 33" x 13 stringer

3" X 12" Timber

(See Note 2)

Timber bench

12'-4" stringer (Typ.)

3" X 12" Timber stringer or

" Glulam4 33" x 13 stringer (Typ.)

3" X 12" Timber stringer or

" Glulam4 33" x 13 support block

Timber sign

2" x 8" up with rail post.

adjacent deck plants to support overhang when deck lines

6. Screw a 3-by 6-by 18-inch block to underside of

DETAILS - 3" sheets for additional details.

5. See "RAIL DETAILS - 1", "RAIL DETAILS - 2", and "RAIL

4. See sheet "RAIL DETAILS - 2" for Detail "D" and Detail "E".

3. Remove and reset sign, as approved by the CO.

other benches along the parkway as approved by the CO.

2. Provide new timber bench similar in design and appearance to

DETAILS" for additional outlook details.

1. See sheet "BRIDGE 23 - OUTLOOKK FRAMING PLAN AND

(See Note 3) sign

Information

(See Note 3)

Sign

Information

(See Note 3)

Sign

Information

STATE PROJECT

NUMBER

SHEETNPS

NO.NO.

PMIS

168551

U.S. DEPARTMENT OF TRANSPORTATION

MOUNT VERNON TRAIL

GEORGE WASHINGTON MEMORIAL PARKWAY

fh fl fi le s e rv e .f lh d .f h w a .d o t.

g o v \d a ta

\P R

O J E

C T

S \g w m p \m v t(

B ri d g e \M ic ro s ta ti o n \B ri d g e D e s ig n F il e s \0

P

R O

J E

C T

S .d

R14

G G

F F

E E

H

H

SECTION E-E

6"

Scale: 1" = 1'-0" header

" Glulam4 3" x 154

C

(Max.)

"4

Min.

SECTION F-F

Scale: 1" = 1'-0" header

" Glulam4 3" x 154

C

SECTION G-G

Scale: 1" = 1'-0"

SECTION I-I

Scale: 1" = 1'-0"

SECTION H-H

Scale: 1" = 1'-0"

I

I

Glulam stringer

" 4 3" x 134

Glulam stringer

" 4 33" x 13

M in . (T y p ties

Hurricane

(T y p

Hurricane ties (Typ.)

Stringer

3" x 12" Timber

As shown

Stringers (Typ.)

3" X 12" Timber

R G

W M

P M

V T

(5

B ri d g e

O u tl o o k -D e t.

d g n

A C

T U

A L

F

IL

E

L Pier 15C

L Pier 16C L Pier 17C

L Pier 18C

L/2 L/2

"4

10'-1

"8

10'-2

V a rie s

'-0

" M a x . (T y p

FRAMING PLAN

L Pier 17 L Pier 17 CL Pier 17

" = 1'-0"2 1Scale:

Glulam stringer

" 4 3" x 134 stringer

3" x 12" Timber stringer

3" x 12" Timber stringer

3" x 12" Timber stringer

" Glulam4 33" x 13 hangers hangers

(See Note 1) steel hangers

(See Note 2) blocks (Typ.)

3" x 12" Timber bracing

(Max.)

6"

"4

Min.

Notes:

(Typ.)

Timber deck

3" x 6" x 16'

PLAN AND DETAILS

BRIDGE 23 - OUTLOOK FRAMING

Glulam stringer

" 4 33" x 13

Glulam stringer

" 4 3" x 134

Glulam stringer

" 4 3" x 134

2. Provide bracing blocks every 5 feet and as shown in plans.

for timber stringers.

of suporting 5.6 kips for glulam stringers and 3.3 kips

1. Furnish 45 degree skew stainless steel hangers capable

STATE PROJECT

NUMBER

SHEETNPS

NO.NO.

PMIS

168551

U.S. DEPARTMENT OF TRANSPORTATION

MOUNT VERNON TRAIL

GEORGE WASHINGTON MEMORIAL PARKWAY

fh fl fi le s e rv e .f lh d .f h w a .d o t.

g o v \d a ta

\P R

O J E

C T

S \g w m p \m v t(

B ri d g e \M ic ro s ta ti o n \B ri d g e D e s ig n F il e s \0

P

R O

J E

C T

S .d g n

R15

22'-6"

PLAN

" = 1'-0"8

BRIDGE 24 - PLAN AND ELEVATION

N

R G

W M

P M

V T

(5

B ri d g e

P

E -1

.d g n

A C

T U

A L

F

IL

E

22'-6" overlay

Existing trail

L Pier 1C L Pier 2C overlay

Existing trail header (Typ.)

" Glulam4 3" x 134

36(See Note 3)

3" x 6" x 18" Timber

Notes:

STATE PROJECT

NUMBER

SHEETNPS

NO.NO.

PMIS

168551

U.S. DEPARTMENT OF TRANSPORTATION

MOUNT VERNON TRAIL

GEORGE WASHINGTON MEMORIAL PARKWAY

BRIDGE 23 AND 24

August 2022

-5

Bridge length: 22-6"

Bridge

Begin Bridge

End

L StructureC abutment

Existing bridge

Existing ground

Approx. existing deck

3" x 6" Timber

(Typ.)

Helical pile stringer

" x 11" Glulam4

-inch spacing between deck members.8

15. Provide

DETAILS - 3" sheets for additional details.

4. See "RAIL DETAILS - 1", "RAIL DETAILS - 2", and "RAIL with rail post.

deck planks to support overhang when deck lines up

3. Screw a 3- by 6- by 18-inch block to underside of adjacent

2. Furnish helical piles with a factored capacity of 45 kips.

timber piles.

Install helical piles at the same location as existing fh fl fi le s e rv e .f lh d .f h w a .d o t.

g o v \d a ta

\P R

O J E

C T

S \g w m p \m v t(

B ri d g e \M ic ro s ta ti o n \B ri d g e D e s ig n F il e s \0

P

R O

J E

C T

S .d

TYPICAL BRIDGE SECTION

" = 1'-0"4 3Scale:

16'-0"

14'-0"

L StructureC

L StructureC

R16

5'-0" (Min.)

AT MIDSPAN

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

SECTION J-J

J

J

FRAMING PLAN AND DETAILS

BRIDGE 24 - TYPICAL SECTION,

" = 1'-0"8 3Scale:

FRAMING PLAN

stringer (Typ.)

"" x 11" Glulam4 stringer (Typ.)

" x 11" Glulam4 header (Typ.)

" Glulam 4 3" x 134

(Typ.)

(See Note 2)

Hurricane tie

1'-0"

(Typ.)

22'-6"

22'-0"

As shown

Rail (See Note 1)

AT ABUTMENT

R G

W M

P M

V T

(5

B ri d g e

T y p X

S

P a rt

-F ra m .d g n

A C

T U

A L

F

IL

E rim joist

3" X 12" Timber

Notes:

(Typ.)

Timber panel

3" x 6" x 16'

(Typ.)

Timber deck

3" x 6" x 16' pile

Helical stringer

" x 11" Glulam 4

5'-9" (Max.)

header

" Glulam 4 3" x 134

HELICAL PILE HEADER BRACKET

Not to Scale

B

B

ELEVATION SECTION B-B

"4

"2

Glulam header h e x b o lt s

T y p w it h h o le s

3" Nominal Sch. 40 pipe helical shaft

" Nominal Sch. 40 pipe8 base of saddle

" Fillet welded to16

" (Typ.)4 width

Saddle

" 8 half turn (Typ.)

hand tightened plus a

" Ø bolt 2 1" Ø Hole with 8 galvanizing per ASTM A153.

4. Provide hot rolled steel pile bracket with hot dipped

13. Provide

Attach according to manufacturer's recommendations, as

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

DETAILS - 3" sheets for additional details.

1. See "RAIL DETAILS - 1," "RAIL DETAILS - 2," and "RAIL

STATE PROJECT

NUMBER

SHEETNPS

NO.NO.

PMIS

168551

U.S. DEPARTMENT OF TRANSPORTATION

MOUNT VERNON TRAIL

GEORGE WASHINGTON MEMORIAL PARKWAY

fh fl fi le s e rv e .f lh d .f h w a .d o t.

g o v \d a ta

\P R

O J E

C T

S \g w m p \m v t(

B ri d g e \M ic ro s ta ti o n \B ri d g e D e s ig n F il e s \0

P

R O

J E

C T

S .d

PARTIAL PLAN

PARTIAL ELEVATION

5'-0"

5'- 0"

Varies

5'-0"5'-0"

RAIL DETAILS - 1

5'-0'' (along flair) 5'-0"

K

K

SCALE 1'' = 1'-0''

SECTON K-K

5'-0" Timber rail post spacing (Typ.)

2'' 2'' rails (Typ.)

splices and between front and back

Stagger top rail with bottom rail long (Typ.)

#5 Rebar 10''

CL Timber post

1'-0"

RAIL END DETAIL

sand smooth all exposed edges and

'' radius2 1Round end

Max.M ax.

RAIL SLOPE DETAIL

Match existing ground

"2

5"2

Stringer

(Typ.)

As Shown

''8 76''8

See RAIL END DETAIL

"8 31"4

32"8

"4 13'-10" = 8

510 Spa. @ 4

(Typ.)

see Note 1 pressure treated, Vertical post of post may vary to match existing grade.

Cast in place rail posts on approaches. The length sheets for additional details.

See ''RAIL DETAILS - 2'' and "RAIL DETAILS - 3" footing

Concrete

4.

3.

2.

1.

2'' x 4'' bottom rail

2'' x 8'' Top rail and

(Typ.)

3''x 6'' Timber deck

Begin/End 3'' x 6'' x 16' timber deck

DECK DETAIL

See DECK DETAIL with pilot hole (Typ.)

No. 12 Stainless steel

CL

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

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

R17

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

2'' x 8'' Timber rail

" Ø Steel picket 8

5CL

bulkhead

Timber

3" x 12"

4" x 6" Timber post end post (Typ.)

4''x 6'' Timber

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

Sscale: 1'' = 1'-0''

(Typ.) (Typ.)

DETAIL C

See "DETAIL C" ground

Match existing

R G

W M

P M

V T

(5

R A

IL

.d g n

A C

T U

A L

F

IL

E

(Typ.)

(Typ.)

rails between posts

3''x 4'' Top and bottom

(Typ.)

post at corner

4'' x 4'' Timber

(Typ.)

bottom rails

2'' x 4'' Top and

(See Note 3)

3" x 6" x 18" Block, overlay

Existing trail cover (Typ.)

2" x 6" Timber follow existing grade

Varies

Notes:

black matte finish.

Powder coat steel pickets after fabrication. Provide with rail posts.

adjacent deck to support overhang when deck lines up

Screw a 3-by 6-by 18-inch block to underside of

STATE PROJECT

NUMBER

SHEETNPS

NO.NO.

PMIS

168551

U.S. DEPARTMENT OF TRANSPORTATION

MOUNT VERNON TRAIL

GEORGE WASHINGTON MEMORIAL PARKWAY

fh fl fi le s e rv e .f lh d .f h w a .d o t.

g o v \d a ta

\P R

O J E

C T

S \g w m p \m v t(

B ri d g e \M ic ro s ta ti o n \B ri d g e D e s ig n F il e s \0

P

R O

J E

C T

S .d

RAIL DETAILS - 2

RAIL POST TYPICAL

INNER RAIL & PICKET DETAILS

CL

3 3

CL

NEAR MIDSPAN

(not spliced)(Rail splice)

AT POST

CL

post

Timber bottom (Typ.)

3'' x 4'' Inner rail see Note 8 (Typ.)

'' Ø steel picket,8

Inner rail (Top & bottom) see Note 8 (Typ.)

'' Ø steel picket,8

Inner rail (top & bottom) see Note 9 (Typ.)

'' Ø Weep hole,4

S te e l p ic k e t)

See PICKET HOLE DETAIL

PICKET HOLE DETAIL

CL

As Shown

A C

T U

A L

F

IL

E

R

G W

M P

M

V T

(1

R A

IL

D E

T S

.D

G N

(Typ.)

See Note 6

(Typ.)

See Note 7

(Typ.)

See Note 7 and stagger between front and back rails.

Stagger top rail with bottom rail splices

10.

9.

8.

7.

6.

5.

4.

3.

2.

1.

R18

3'' x 12'' Stringer deck (Typ.)

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

3'' x 6'' Timber

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

POST DETAILS

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

POST ELEVATION AT BOTTOM

Sscale: 3'' = 1'-0''

2'' x 4'' bottom rail

2'' x 8'' Top rail and

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

"2

"2

"4

2"4

(Typ.)

'' Ø Drilled hole16

Not to scale post at corner

4'' x 6'' Timber

2'' x 4'' bottom rail

2'' x 8'' Top rail and

Scale: 3'' = 1'-0'' post at corner

4'' x 6'' Timber

DETAIL D DETAIL E

rails between posts

3'' x 4'' Top and bottom rails between posts

3'' x 4'' Top and bottom rails between posts

3'' x 4'' Top and bottom rails between posts

3'' x 4'' Top and bottom

Not to scale bottom rails

2" x 4" Top and block

Splice

3'' x 12'' deck (Typ.)

Timber

3''x 6''

Notes:

steel pickets (Typ.)

'' Ø8 5to receive

''Ø holes16 11Drill

1" from corner to

Cut back timber post timber post.

Use 4 bolts at all splices for each 4-inch x 6-inch midspan of top and bottom rails.

-inch diameter bolt at16 5Locate additional single with black matte finish.

-inch diameter steel rod picket8 5Shop-prime and paint

ASTM A314. Typical for all locations.

Provide stainless steel fasteners conforming to

-inch beyond nut.2 1Do not extend bolts more than diameter picket hole, bottom rail only.

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

1Drill stainless steel fasteners conforming to ASTM A314.

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

-inch diameter4 1-inch diameter timber (dock) bolt with 28

5Use

-inch on both top edges.2 1Router all 2-inch x 6-inch handrails as spacers on top and bottom of inner rails.

-inch thick EDPM flat washers 2 1-inch or one 4

1Use two

3- by 8-inch board.

Rip 3-inch x 4-inch at 4-foot 6-inches (±) long inner rail from

STATE PROJECT

NUMBER

SHEETNPS

NO.NO.

PMIS

168551

U.S. DEPARTMENT OF TRANSPORTATION

MOUNT VERNON TRAIL

GEORGE WASHINGTON MEMORIAL PARKWAY

fh fl fi le s e rv e .f lh d .f h w a .d o t.

g o v \d a ta

\P R

O J E

C T

S \g w m p \m v t(

B ri d g e \M ic ro s ta ti o n \B ri d g e D e s ig n F il e s \0

P

R O

J E

C T

S .d

RAIL DETAILS - 3

"2

CL

2'' x 4'' Top rail

"2 1"2

"2

2 "2 1"2

POST DETAILS AT SPLICE

TOP RAIL

BOTTOM RAIL

"2

2 "2 1"2

"2

TOP RAIL

"2

2 "2

2''x 4'' 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

2'' x 4'' Top rail

3" "4 31 "4 inner rail

3'' x 4'' Timber

3" "4

1 3""4

(Typ.)

'' Ø Drilled hole8

2" for handrails splice locations hardwood Typ. at

'' Ø x 2'' Dowel 4

As Shown see Note 4 (Typ.)

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

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

'' Ø Carriage bolts,8

A C

T U

A L

F

IL

E

R

G W

M P

M

V T

(1

R A

IL

D E

T S

.D

G N see Note 4 (Typ.)

'' Ø Carriage bolts,16

(Typ.)

See Note 5

"2 and stagger between front and back rails.

Stagger top rail with bottom rail splices

R19

(Typ.)

4'' x 6'' Timber post

Hand rail

2'' x 6'' 2'' x 6'' Hand rail

" Hardwood dowel4

3"

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

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

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

2'' x 4'' Bottom

(Typ.)

'' Ø Drilled hole8

BOTTOM RAIL BOTTOM RAIL

Not to scale Not to scale Not to scale

Notes:

timber post.

Use 4 bolts at all splices for each 4-inch x 6-inch midspan of top and bottom rails.

-inch diameter bolt at16 5Locate additional single

ASTM A314. Typical for all locations.

Provide stainless steel fasteners conforming to

-inch beyond nut.2 1Do not extend bolts more than matte powder coat finish.

-inch diameter steel rod with black8 5Pickets to be diameter picket hole, bottom rail only.

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

1Drill

See Note 10 (Typ.)

2" x 6" Timber Cap

10.

9.

8.

7.

6.

5.

4.

3.

2.

1.

stainless steel fasteners conforming to ASTM A314.

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

-inch diameter 4 1-inch diameter timber (dock) bolt with 28

5Use as spacers on top and bottom of inner rails.

-inch thick EDPM flat washers 2 1-inch or one 4

1Use two steel screws at two-foot spacings.

Fasten timber cap to top rail with two #10-by 3-inch stainless

-inch on both top edges.2 1Router all 2- by 6-inch handrails

STATE PROJECT

NUMBER

SHEETNPS

NO.NO.

PMIS

168551

U.S. DEPARTMENT OF TRANSPORTATION

MOUNT VERNON TRAIL

GEORGE WASHINGTON MEMORIAL PARKWAY

fh fl fi le s e rv e .f lh d .f h w a .d o t.

g o v \d a ta

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C T

S .d

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As shown

N

R

G W

M P

M

V T

(5

B ri d g e

B o ri n g l o c a ti o n s .d g n

A C

T U

A L

F

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E

BRIDGE 23 - BORING LOCATIONS

STATE PROJECT

NUMBER

SHEETNPS

NO.NO.

PMIS

168551

U.S. DEPARTMENT OF TRANSPORTATION

MOUNT VERNON TRAIL

GEORGE WASHINGTON MEMORIAL PARKWAY

fh fl fi le s e rv e .f lh d .f h w a .d o t.

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R G

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V T

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B ri d g e

S u b s u rf a c e p ro fi le .d g n

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A L

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BRIDGE 23 - SUBSURFACE PROFILE

STATE PROJECT

NUMBER

SHEETNPS

NO.NO.

PMIS

168551

U.S. DEPARTMENT OF TRANSPORTATION

MOUNT VERNON TRAIL

GEORGE WASHINGTON MEMORIAL PARKWAY

fh fl fi le s e rv e .f lh d .f h w a .d o t.

g o v \d a ta

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N

R G

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P M

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(5

B ri d g e

B o ri n g l o c a ti o n .d g n

A C

T U

A L

F

IL

E

BRIDGE 24 - BORING LOCATION

STATE PROJECT

NUMBER

SHEETNPS

NO.NO.

PMIS

168551

U.S. DEPARTMENT OF TRANSPORTATION

MOUNT VERNON TRAIL

GEORGE WASHINGTON MEMORIAL PARKWAY

fh fl fi le s e rv e .f lh d .f h w a .d o t.

g o v \d a ta

\P R

O J E

C T

S \g w m p \m v t(

B ri d g e \M ic ro s ta ti o n \B ri d g e D e s ig n F il e s \0

P

R O

J E

C T

S .d g

R23

No scale 23

R G

W M

P M

V T

(5

B ri d g e

S u b s u rf a c e p ro fi le .d g n

A C

T U

A L

F

IL

E

BRIDGE 24 - SUBSURFACE PROFILE

STATE PROJECT

NUMBER

SHEETNPS

NO.NO.

PMIS

168551

U.S. DEPARTMENT OF TRANSPORTATION

MOUNT VERNON TRAIL

GEORGE WASHINGTON MEMORIAL PARKWAY

File details come from the government source that posted it. Updated .