2nd Test Flashcards
(55 cards)
Whats another name for constructionn surveys
Engineering surveys
What is a topographic survey
3D map
Route surveys consist of what
Railways, highways, pipelines, powerlines
2 types of special surveys
Control (more precise)
Hydrographic
What is the survey term “elevation”
Vertices distance above or below established hieght on earth’s surface at sea level or 100’ known as benchmark
Who’s responsibility is it to provide baselines and benchmarks to layout work
Government
What is clearing and grubbing
Process of removing vegetation
What are preclearing / grabbing activities
Verify permits and right aways,
Review schedule of ops
Check cutoff elevations
Trees with wounds of how big need to be treated woth wound paint
1 1/2”
What governs works item safety
Opnavinstr 5100.23
Demolition inspection falls under what subpart in 29cfr
Subpart T
What angle of Chutes need to be enclosed
45°
For holes in floor what decisions for barricades
Not less than 42” high
Not less than 6’ back from hole
Barrow pit
Where and excavation forms a pit which material from will be used somewhere else
How deep is top soil
4-6”
What shoukd you never use under footings to correct over excavation
Fill
Who can approve modifications to established elevation
Contracting officer in writing
When is compaction at its best
A given compaction has optimal moisture content at which Max Dry Density (MDD) IS GREATEST and compaction is best
Whats another name for sand displacement test
Sand cone test
What does the water displacement test do
Determines dry density
Whats is a lateral sewer
Connects house to branch or other sewer and has no common tributary
What size pipe is house sewer
4-6” pipe
Hoe far from building is house sewer
3-5’
Another name for pumping station
Lift station
