Bu basic CH5 Flashcards
1
Q
- What are conducted to obtain data essential for planning, estimating, locating, and layout for the various phases of construction activities or projects? (Page 5-4)
A
construction surveys
2
Q
- What do surveys rely on to establish a known elevation on a construction site? (Page 5-4)
A
bench marks
3
Q
- In most permanent military installations, monument BMs are established in a grid system approximately how far apart throughout the base to have a ready reference for elevations of later construction in the station? (Page 5-7)
A
1/2 mile
4
Q
- What are specific tide levels that surveyors use as surfaces of reference for depth measurements in the sea and as a base for determining elevations on land? (Page 5-8)
A
tidal datums
5
Q
- What is the average height of the sea for all stages of the tide after long periods of observations? (Page 5- 8)
A
mean sea level (MSL)
6
Q
- What term refers to the first working over of an area that is overgrown or rough? (Page 5-9)
A
pioneering
7
Q
- What is a construction operation consisting of cleaning a designated area of trees, timber, brush, other vegetation, and rubbish? (Page 5-9)
A
clearing
8
Q
- What is the uprooting and removing of roots and stumps referred to as? (Page 5-10)
A
grubbing
9
Q
- What is the process of removing and disposing of objectionable topsoil and sod referred to as? (Page 5- 10)
A
stripping
10
Q
- What is the material removed by stripping called? (Page 5-10)
A
spoil
11
Q
- Dozers can handle all short-haul excavations up to how many feet? (Page 5-10)
A
300
12
Q
- What equipment should be used for long-haul excavations over 300 feet? (Page 5-10)
A
scrapers
13
Q
- What is the construction of facilities needed to allow excess surface and subsurface water to flow from the construction site? (Page 5-11)
A
drainage
14
Q
- What is the instrument most commonly used to attain the level line of sight required for differential leveling? (Page 5-17)
A
dumpy level
15
Q
- What is the most popular and frequently used type of leveling rod? (Page 5-22)
A
philadelphia rod