NHI UW Inspection || Already Graded A+.
Max Interval between above water inspections correct answers 24 Mo
Team leaders are required to have correct answers FHWA approved comprehensive bridge
inspection course
A bridge is defined as correct answers A structure carrying traffic and having a clear span of 20+
ft
Two types of bridge inspections by NBIS are correct answers Routine and Special inspections
FHWA routine underwater inspections require correct answers 100% Level I inspections
Necessary for the galvanic corrosion process correct answers Electric current, electrolytes, and
oxygen
Erosive action of flowing water excavating soil in CBs and around SSUs correct answers Scour
Two methods of reporting bridge inspection results correct answers Element level and NBI
condition rating methods
Material characteristic to deform under constant load intensity is correct answers Creep
Wading is acceptable in correct answers <3' of water
Underwater acoustic imaging includes correct answers Scanning sonar
, Cleaning bands at WL mudline amd mid depth on piles and piers are correct answers Level II
inspection
Teredo attack produces correct answers Internal voids
Concrete spauling is associated with correct answers Rebar corrosion
JHA should always correct answers Be complete before a job
What if an NBI Item 113 is rated U correct answers Develop a POA
Below footing and structural when piles aren't present correct answers Seals
SSU has a Monolithic footing correct answers Piers
Structural safety of a bridge must be determined with correct answers Certainty
Three advantages of SCUBA correct answers Maneuverable, light weight, no elaborate support
ops
Limitations if scuba correct answers Limited air, max depth 130, 3 person team min
5 inspection techniques in lieu of diving correct answers Rov, Sonar, fathometer, multibeam,
evid, ground penetration radar
Types of inspections correct answers Initial, routine, special, fracture critical, in depth,
underwater, damage
Max Interval between above water inspections correct answers 24 Mo
Team leaders are required to have correct answers FHWA approved comprehensive bridge
inspection course
A bridge is defined as correct answers A structure carrying traffic and having a clear span of 20+
ft
Two types of bridge inspections by NBIS are correct answers Routine and Special inspections
FHWA routine underwater inspections require correct answers 100% Level I inspections
Necessary for the galvanic corrosion process correct answers Electric current, electrolytes, and
oxygen
Erosive action of flowing water excavating soil in CBs and around SSUs correct answers Scour
Two methods of reporting bridge inspection results correct answers Element level and NBI
condition rating methods
Material characteristic to deform under constant load intensity is correct answers Creep
Wading is acceptable in correct answers <3' of water
Underwater acoustic imaging includes correct answers Scanning sonar
, Cleaning bands at WL mudline amd mid depth on piles and piers are correct answers Level II
inspection
Teredo attack produces correct answers Internal voids
Concrete spauling is associated with correct answers Rebar corrosion
JHA should always correct answers Be complete before a job
What if an NBI Item 113 is rated U correct answers Develop a POA
Below footing and structural when piles aren't present correct answers Seals
SSU has a Monolithic footing correct answers Piers
Structural safety of a bridge must be determined with correct answers Certainty
Three advantages of SCUBA correct answers Maneuverable, light weight, no elaborate support
ops
Limitations if scuba correct answers Limited air, max depth 130, 3 person team min
5 inspection techniques in lieu of diving correct answers Rov, Sonar, fathometer, multibeam,
evid, ground penetration radar
Types of inspections correct answers Initial, routine, special, fracture critical, in depth,
underwater, damage
