Evaluation of Electronic Visual Inspection Device

Problem statement: 90% of bridge inspections are currently conducted thru the use of visual inspection. The detail of visual inspection needed generally requires that inspections be conducted at arms length and supplemented with the use of artificial lighting. Arms length inspection often requires the use of various types of access equipment such as ladders, rigging, or expensive "Snoopers" and underwater divers. All of these place the inspector in a potential position of peril.

Recent advancements in the electronics industry have developed low cost compact portable video cameras, which can be used both above and below the water line. The camera can be mounted on an extension pole or other devices allowing the inspector to gain extremely close up visualization of critical details from the relative safety of the ground or boat. These devises can be equipped with electronic storage devises, which will enable the images to be captured for subsequent documentation and reporting.

Proposal: We propose to evaluate the various devices, which are currently available, and select those which would be suitable for these indented purposes. The division office would then procure one of the devises and, in conjunction with WisDOT bridge inspection teams, evaluate and report on it's effectiveness for inspection of both above and below water bridge elements. It is expected that the use of these devices will result in a more detailed bridge inspection with a substantial savings in time and dollars, while at the same time increasing the safety of inspection teams.

Timeline:

Equipment evaluation and procurement: Sept/00 ($1,000)

Product evaluation: Sept/00--Aug/01 ($1,000)

Final Report: Sept/01