Engingeering HW
0
1
2
3
4
A B C D E20' 2
0 '
359.5'
A1 360.0'
A2
360.5'
A3 360.9'
A4
359.3'
B1
359.9'
B2
360.0'
B3 360.7'
B4
359.0'
C1 359.5'
C2 359.9'
C3
358.8'
D1
358.5'
E1
359.2' 358.9'
D2 359.7'
D3 360.1' 360.1'
C4 361.3 361.0 360.5
A0 B0 C0 D0 E0
LEGEND: PT. NUMBER ELEVATION
CONTOUR
C3 360.1'
SCALE: 1"=20'
FIELD NOTEBOOK DATA:
QUESTION 1:
a. What is the slope in between Pt. B1 and Pt. B0 in %? Locate the point on that line with the elevation equal 359.5', what is the distance from that point to Pt. B1?
b. Precisely draw 0.5' interval contour lines for this existing topo ground.
c. What is the highest point? What is the lowest point? What is the slope in between those two points in %? degree? ratio?
HOMEWORK 6
890 EXAMPLE NOTEFORMS
B O R R O W - P I T L E V E L I N G P o i n t
BM Road A , 0 B , 0 C , 0 D , 0 E , 0 A , 1 B , 1 C , 1 D , 1 E , 1 A , 2 B , 2 C , 2 D , 2 A , 3 B , 3 C , 3 D , 3 A , 4 B , 4 C , 4
BM Road
–+ Sight 4 . 2 2
H I 364.70
Sight
5.2 5.4 5.7 5.9 6.2 4.7 4.8 5.2 5.5 5.8 4.2 4.7 4.8 5.0 3.8 4.0 4.6 4.6 3.4 3.7 4.2
4.22
Cut
1.5 1.3 1.0 0.8 0.5 2.0 1.9 1.5 1.2 0.9 2.5 2.0 1.9 1.7 2.9 2.7 2.1 2.1 3.3 3.0 2.5
S E C O N D & O A K S T R E E T S h n Mad iso n, WIM a d i s o n , W I BM Road -Description p.5 Cool, Cloudy,60 ° F 1 . 5 B.A. Dewitt N 2.6 B.K. Harris 2.0 E.A. Custer 1.6 11 Oc t. 20 00 0.5 Ker n Lev el #1 3 4.0 7.6 6.0 3.6 0.9 5.0 8.0 7.6 3.4 5.8 10.8 6.3 2.1 3.3 6.0 2.5 91.1 22.8
4 x 27 = 337 cu.yd.
Elev. 360.48 359.5 359.3 359.0 358.8 358.5 360.0 359.9 359.5 359.2 358.9 360.5 360.0 359.9 359.7 360.9 360.7 360.1 360.1 361.3 361.0 360.5
360.48 400
A 20´ B C D E
20 ´
1
2
3
4
Plate B.2
Grade elevation 358.0´
Volume = area of base x Σhn ÷ (4 × 27)
FOR DESIGN PAD ELEVATION =375.75'
3. For the data tabulated, calculate the volume of excavation in cubic yards between stations 10 + 00 and 15 + 00.