A levelling fieldwork was conducted to determine the level of an existing road that runs road under a bridge. The Points CP1 - CP4 and points R1 - R12 are points on the road. Point B1 is the underside of the bridge. Complete the level book and determine the headroom of the bridge. Perform all necessary checks. Table Q3 Staff Readings Remarks 1.629 (BS); TBM 1 TBM 1 (24.857m) 1.866 (FS); 2.309 (BS) CP1 3.345 (IS) R1 1.446 (IS) R2 2.081 (IS) R3 1.833 (FS); 2.12 (BS) CP2 2.475 (FS); 1.352 (BS) CP3 2.363 (IS) R4 1.751 (IS) 1.759 (IS) R6 1.527 (IS) R7 1.755 (IS) R8 road surface immediately below B1 -3.973 (IS) B1 0.579 (FS); 1.592 (BS) CP4 1.979 (IS) R9 2.654 (IS) R10 1.278 (IS) R11 1.696 (IS) R12 3.154 (FS) TBM 2 TBM 2 (23.954m) BS BACKSIGHT : IS = INTERMEDIATE SIGHT : FS = FORESIGHT R5
A levelling fieldwork was conducted to determine the level of an existing road that runs road under a bridge. The Points CP1 - CP4 and points R1 - R12 are points on the road. Point B1 is the underside of the bridge. Complete the level book and determine the headroom of the bridge. Perform all necessary checks. Table Q3 Staff Readings Remarks 1.629 (BS); TBM 1 TBM 1 (24.857m) 1.866 (FS); 2.309 (BS) CP1 3.345 (IS) R1 1.446 (IS) R2 2.081 (IS) R3 1.833 (FS); 2.12 (BS) CP2 2.475 (FS); 1.352 (BS) CP3 2.363 (IS) R4 1.751 (IS) 1.759 (IS) R6 1.527 (IS) R7 1.755 (IS) R8 road surface immediately below B1 -3.973 (IS) B1 0.579 (FS); 1.592 (BS) CP4 1.979 (IS) R9 2.654 (IS) R10 1.278 (IS) R11 1.696 (IS) R12 3.154 (FS) TBM 2 TBM 2 (23.954m) BS BACKSIGHT : IS = INTERMEDIATE SIGHT : FS = FORESIGHT R5
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
Related questions
Question
![QUESTION 3
A levelling fieldwork was conducted to determine the level of an existing road that runs road under a bridge. The
Points CP1 - CP4 and points R1 - R12 are points on the road. Point B1 is the underside of the bridge. Complete
the level book and determine the headroom of the bridge. Perform all necessary checks.
Table Q3
Staff Readings
Remarks
1.629 (BS);
TBM 1
TBM 1 (24.857m)
1.866 (FS); 2.309 (BS)
CP1
3.345 (IS)
R1
1.446 (IS)
R2
2.081 (IS)
R3
1.833 (FS); 2.12 (BS)
CP2
2.475 (FS); 1.352 (BS)
CP3
2.363 (IS)
R4
1.751 (IS)
R5
1.759 (IS)
R6
1.527 (IS)
R7
1.755 (IS)
R8
road surface immediately below B1
-3.973 (IS)
B1
0.579 (FS); 1.592 (BS)
CP4
1.979 (IS)
R9
2.654 (IS)
R10
1.278 (IS)
R11
1.696 (IS)
R12
3.154 (FS)
TBM 2
TBM 2 (23.954m)
BS= BACKSIGHT; IS = INTERMEDIATE SIGHT; FS = FORESIGHT](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F921fdc4b-4773-4167-b073-39192ffd4af5%2Fa8cdbfd3-4c49-424e-889c-ac45f4450297%2F5uazbas_processed.png&w=3840&q=75)
Transcribed Image Text:QUESTION 3
A levelling fieldwork was conducted to determine the level of an existing road that runs road under a bridge. The
Points CP1 - CP4 and points R1 - R12 are points on the road. Point B1 is the underside of the bridge. Complete
the level book and determine the headroom of the bridge. Perform all necessary checks.
Table Q3
Staff Readings
Remarks
1.629 (BS);
TBM 1
TBM 1 (24.857m)
1.866 (FS); 2.309 (BS)
CP1
3.345 (IS)
R1
1.446 (IS)
R2
2.081 (IS)
R3
1.833 (FS); 2.12 (BS)
CP2
2.475 (FS); 1.352 (BS)
CP3
2.363 (IS)
R4
1.751 (IS)
R5
1.759 (IS)
R6
1.527 (IS)
R7
1.755 (IS)
R8
road surface immediately below B1
-3.973 (IS)
B1
0.579 (FS); 1.592 (BS)
CP4
1.979 (IS)
R9
2.654 (IS)
R10
1.278 (IS)
R11
1.696 (IS)
R12
3.154 (FS)
TBM 2
TBM 2 (23.954m)
BS= BACKSIGHT; IS = INTERMEDIATE SIGHT; FS = FORESIGHT
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