Field Manual for Plane Surveying and Railroad Curves

Survival, Water, Medical Field Manuals

Military Manuals

Ray Cyrus Yeoman , Ernest Augustus Tucker

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VALPARAISO UNIVERSITY 
DEPARTMENT OF ENGINEERING 



FIELD MANUAL 

FOR 

PLANE SURVEYING 

AND 

RAILROAD CURVES 



By 

R. C. YEOMAN, C. E. 

Dean of Engineering 

Professor of Civil Engineering 

Valparaiso University 

Associate Member W. S. E. 

Member American Society Testing Materials 

City Engineer, Valparaiso, Ind. 

and 

E. A. TUCKER 

Instructor in Surveying 

Assistant in Civil Engineering 

Valparaiso University 



M. E. BOGARTE BOOK COMPANY 

Publishers 

Valparaiso, Indiana 

1914 



f' ■« 



COPYRIGHTED BY 

R.C. YEOMAN 

1914 



A 



188036 c.t..^^^f 

AUG 20 1914 

SQlB 



PREFACE 

This book is intended to be used supplementarjr 
to Class Room lectures, Assigned Reading in a 
Standard Text and Field Instructions. 

It contains sample field notes to fundamental 
probleihs or exercises, so arranged as to give correct 
form of notes, and concise information for the solu- 
tion of the problems. Blank pages immediately fol- 
low each problem for the record of the solution of a 
similar problem by the student. 

This manual is a product of the teaching staff of 
the Department of Eogineering. 

R. C. Yeoman. 
E. A. Tucker. 



INTRODUCTION 

The theory of Plane Surveying is surprisingly 
«imple to the well prepared, but the successful appli- 
cation of this knowledge comes only from long and 
continued experience and the development of good 
judgment. In a college course it is impracticable to 
spend this necessary time, therefore, the aim is to 
familiarize the student with the use, care, and adjust- 
ment of instruments, the solution of the problems 
involving their use, and the methods of recording the 
acquired data in a clear and concise manner. 



GENERAL INSTRUCTIONS 

It is an observed fact that students are usually 
very careless in the care of instruments and ap- 
paratus. An instrument should be treated kindly, 
for their parts are of soft metal, and it is very easy 
to strain the instrument by forcing the adjusting 
screws. The heads of the thumb screws on the in- 
struments give a leverage out of proportion to the 
strength of the screw thread, thus they are quite 
easy to strip. All movable parts are made to a snug 
^t, and should work easily. 

If the adjustments are either tight or loose, the 
instrument needs attention, and the instructor in 
<;harge should be notified. Further cautions are 
^iven in the texts and class-room. 

At Valparaiso University the instruments are 
liept in numbered lockers. A list of the contents of 
«ach locker is found on a card on the inside of the 



door. To obtain the use of any apparatus the appli- 
cant must sign a requisition slip for the key to the 
locker. The applicant then becomes responsible for 
all apparatus in the locker until the key is returned 
and locker checked. After use, every piece of ap- 
paratus must be returned in good condition to it's 
place. A penalty is attached to any neglect in this 
particular. 

As related in the preface, the instruction in this 
book is given in form of actual field notes. It is not 
intended that the student should follow them literally. 
They are given only as a guide to good practice. In 
the higher branches of surveying the forms are not 
given, they must be made up by the student. He 
will by that time be familiar with correct forms, and 
can easily plan his notes to suit the particular prob- 
lem in hand. 

Field notes should be made in their final form in 
the field. The practice of putting them on small bits 
of paper and transferring them in the office or room 
leads to many errors and lost data. 

The student whose note book shows lack of skill 
in the beginning need not be discouraged as this is 
only natural. It is the improvement which counts, 
and the notes should show it. 

Accuracy should be the chief aim of all survey* 
ors. When the results do not come within the per- 
missible error, many beginners are tempted to fudge 
their notes. Fudging is an indication of laziness and 
dishonesty, and is easily detected. It is better to re- 
peat the survey several times and fail, than to 
sacrifice honesty, — the greatest virtue of the Engi- 
neer. 



CONTENTS 

Group I 

PACING PROBLEMS 

Prob. 

A 1. Determination of Length of Pace 1 

A 2. Staking out a Field 2 

A 3. Survey of Field by Pacing '. 3 

A 4. Prolonging a Line with Flag Poles 4 

Croup II 

CHAINING PROBLEMS 

B 1. Measuring a Distance with Steel Tape 5 

B 2. Measuring on a Slope with Tape 6 A & B 

B 3. Measuring Angles with Tape 7 

B 4. Survey for Area of Field with Steel Tape 8 

B 5. Prolongation of a Line Through an Obstacle with 

Tape 9 

B 6. Measurement of an Obstructed Distance with Tape. . .10 

Croup III 

LEVELING PROBLEMS 

C 1. Differential Leveling with Hand Level 11 

•C 2. Differential Leveling with Engineers' Level .12 

C 3. Survey for a Drain or Sewer 13 

C 4. Profile Notes for Drain or Sewer 14 

•C 6. Cross Section Leveling for Slope Stakes 15 

C 6. To Stake Out a Borrow Pit 16 

O 7. Survey and Levels for Grading a Street 17 

C 8. Adjustment of Wye Level 19 

O 9. Adjustment of Dumpy Level 20 

Croup IV 

COMPASS AND SEXTANT 

D 1. Angles of a Triangle with a Compass 2L 

D 2. Angles of a Triangle with a Sextant 22 

6 



Group V 

TRANSIT PROBLEMS 

E 1. Angles of a Triangle with Transit 23 

E 2. Prolongation of a Line with Transit 24 

E 3. Balancing in a Transit 25 

E 4. Center of a Triangle with Transit 26 

E 5. Triangulation with a Transit 27 

E 6. Passing an Obstacle with Transit 28 

E 7. Closed Traverse with Transit 29 

E 8. Height of Tower with Transit 30 

E 9. To Stake Out a Building 31 

E 10. Angles of Triangle by Repetition 32 

E 11. Traverse of Field with Transit and Stadia 33 

E 12. Survey of a City Lot 34 

E 13. Contours of Field 35 

E 14. Adjustment of a Transit 36 

Group VI 

ASTRONOMICAL SURVEYING 

F 1. Determination of a Meridian by Solar Attachment. . .37 
F 2. Determination of a Meridian by Direct Observations. 38 
F 3. Determination of a Meridian by- Observation on 

Polaris 39 

F 4. Determination of Latitude with Solar Attachment — 40 

Group VII 

RAILROAD CURVES 

G 1. To Locate a Simple Curve with Chain 41 

G 2. To Locate a Simple Curve with Transit and Chain. . .42 
G 3. To Locate a Simple Curve when the P. C. is Inac- 
cessible 43 

G 4. To Locate a Simple Curve when the P. T. is Inac- 
cessible 44 

G 5. To Locate a Compound Curve 45 

G 6. To Locate a Transition Curve with Chain 46 

G 7. To Locate a Transition Curve with Transit and Chain. 47 



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SOLAR ATTACHMENT ' 



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DIRECT SOLAR OBSERV>ATION 



38. 



/^6. /g. /9/^ ^//^a;) r Uar an,/r^A/ 



BEAaU 

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