ETC Surveying & Site Assessment Flashcards
6 cards from real ETC practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 6 ETC Surveying & Site Assessment flashcards as text
What is the primary purpose of a geotechnical site investigation?
Answer: To characterize subsurface soil and rock conditions for engineering design
Geotechnical investigations characterize subsurface conditions including soil types, stratigraphy, and groundwater to inform foundation and earthwork design.
What does SPT stand for in geotechnical engineering?
Answer: Standard Penetration Test
The Standard Penetration Test measures soil resistance by counting the blows needed to drive a split-spoon sampler 12 inches into the ground.
What is the purpose of a topographic survey?
Answer: To map the natural and man-made features and elevations of a site
A topographic survey maps the three-dimensional shape of the land surface, including elevations, slopes, and features like streams and structures.
Which document defines the legal boundaries of a parcel of land?
Answer: Plat or survey plan
A plat or survey plan is a legal document prepared by a licensed surveyor that defines property boundaries, dimensions, and easements.
What is a soil boring log used to document?
Answer: The depth and type of soil layers encountered during drilling
A boring log records the soil types, depths, sample locations, and groundwater encountered during subsurface investigation drilling.
What is the significance of the 100-year floodplain designation?
Answer: There is a 1% annual chance of flooding, requiring special design considerations
The 100-year floodplain has a 1% annual probability of flooding and triggers regulatory requirements including FEMA floodplain management rules.