1. GIVEN: TOPOGRAPHIC MAP WITH TUNNEL ALIGNMENT
- ADJUSTMENTS MADE IN TUNNEL ALIGNMENT
- INCREASE HEAD DIFFERENCE
- CONTOUR INTERVAL: 10 FT
- HORIZONTAL SCALE: 1 IN. = 80 FT: 40 SCALE x 2
- NORTHWEST PORTAL ELEVATION IN ROCKY PEN RUN:_180 FT
- DOWNSTREAM PORTAL ELEVATION: 160 FT_
2. TUNNEL LENGTH: 5600 FT
3. CONSTRUCT THE TOPOGRAPHIC PROFILE OVER AND ALONG THE TUNNEL ALIGNMENT
- VERTICAL SCALE: 1 IN. = 200 FT
- VERTICAL EXAGGERATION: VE = ______
- SHOW:
- GROUND SURFACE
- TUNNEL PROFILE
- LABLE DIAGRAM
- USE ENGINEERING PAPER
4. PLOT GEOLOGIC STRUCTURES ON TOPOGRAPHIC PROFILE
https://www.topoquest.com/tmp/56c50013_27dc_13.png
N
CONTOUR INTERVAL 10 FT