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12C30 - C02 O/H # 1

ORGANIZE DUTIES OFMEDIUM GIRDER BRIDGE

ASSEMBLY CREWS

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12C30 - C02 O/H # 2

Action: Organize duties of medium girder bridge assembly

crews.

Conditions: In a classroom or at fixed bridge training site,

with a wet or dry gap, given bridge design, and personnel.

Standard: Organized duties of medium girder bridge

assembly crews by the type of bridge to be constructed. Selectwork parties, designate the number of personnel required per

crew and brief work party tasks to be performed.

Safety: There are no safety considerations for organizing

assembly crews.

Environmental: No major environmental consideration.

Risk Assessment: Low

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12C30 - C02 O/H # 3

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SSB Span Work Party Work Party Tasks

Up to 32 feet 1 NCO Supervision

8 soldiers

1*, 2, 3, 4 Left hand panels andlaunching nose

5*, 6, 7, 8 Right hand panels and

roller beam

* Party leaders responsible for inserting pins and locking rollers.

WORK CREWS, (b) SINGLE STORY (MGB)

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12C30 - C02 O/H # 4

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38 to 50 feet 1 NCO Supervision

16 soldiers

1*, 2, 3, 4 Left hand panels,

launching nose and

bankseat beams5*, 6, 7, 8 Right hand panels and

roller beam

9*, 10, 11, 12 Left hand panels

13*, 14, 15, 16 Right hand panels


WORK CREWS (c), SINGLE STORY (MGB)

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12C30 - C02 O/H # 5

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16 soldiers

1*, 2, 3, 4 LH panels, launching

nose and bankseat

beam5*, 6, 7, 8 RH panels, roller beam

and bankseat beam

9*, 10, 11, 12 Left hand panels

13*, 14, 15, 16 Right hand panels


LH=left hand/ Rh=right hand

WORK CREWS (d), SINGLE STORY (MGB)

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12C30 - C02 O/H # 6

DSB Span Work Party Work Party Tasks


24 soldiers

1,2,3,4 LH bottom panel crew5,6,7,8 LH top panel crew9*,10,11,12,13,14 Center bridge crew,

launching nose, sway

braces, roller locks15* LH party leader, pin &

jack man16* RH party leader, pin &

jack man17,18,19,20 RH bottom panel crew21,22,23,24 RH top panel crew

* Party leaders insert pins/ LH=left hand/ RH=right hand

(a) (b) (c) (d)

Double story Single Span

Working party

Time by day (hours)

Time by night (hours)

1 + 24 1 + 24 1 + 24

1-4 Bays 5-8 Bays 9-12 Bays

3/4 1 1 1/2

1 1/4 1 1/2 2

2E+1through12 bays

without link

WORK CREWS, (b) DOUBLE STORY (MGB)

*

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12C30 - C02 O/H # 7


108 to 162 feet 1 NCO Supervision24 soldiers1,2,3,4 LH bottom panel crew5,6,7,8 LH top panel crew9*,10,11,12,13,14 Center bridge crew,


braces, roller locks

15* LH party leader, pin &


jack man17,18,19,20 RH bottom panel crew

21,22,23,24 RH top panel crew

* Party leaders insert pins/ LH=left hand/ RH=right hand

(a) (b) (c) (d)


Working party

Time by day (hours)


1 + 24 1 + 24 1 + 24

13 Bays 14-18 Bays 19-22 Bays

1 1/2 1 3/4 2

2 2 3/4 3

2E+13through22 bays

without link

WORK CREWS, (c) DOUBLE STORY (MGB)

*

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12C30 - C02 O/H # 8


108 to 162 feet 2 NCOs Supervision

32 soldiers1,2,3,4 LH bottom panel crew

5,6,7,8 LH top panel crew

9*,10,11,12,13,14 Center bridge crew,


braces, roller locks

15* LH party leader, pin &


jack man

17,18,19,20 RH bottom panel crew

21,22,23,24 RH top panel crew

link reinforced 25*,26,27,28 LH reinforcement crewparty 29*,30,31,32 RH reinforcement crew

* party leaders insert pins/ LH=left hand/ RH=right hand

(a) (b) (c) (d)


Working party

Time by day (hours)


2 + 32 2 + 32 2 + 32

13 Bays 14-18 Bays 19-22 Bays

2 2 3/4 3

3 4 4 1/2

2E+13 through 22 bays

with link set

WORK CREWS, (d) DOUBLE STORY (MGB)

*

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12C30 - C02 O/H # 9* These parts are carried in the basket

MANPOWER REQUIREMENTS

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