Available access
A suitable cleanout can simplify inspection. Roof vents, removed fixtures or newly created access may involve different limitations, safety requirements and restoration.
Whether the line is open
Standing sewage, dense grease or a complete blockage can prevent useful footage. Cleaning may be needed before the camera can evaluate the pipe wall.
Length, diameter and configuration
Long runs, multiple bends, transitions and branch connections affect how far equipment can travel and what can be identified.
Locating and marking
A transmitter in the camera head may help estimate the surface position and depth of an observation. Site conditions can affect accuracy, so markings should be treated as field guidance rather than a survey.
Documentation requirements
A homeowner may need video and a verbal explanation. A board, manager, buyer or commercial owner may also need labeled footage, distances, still images and a written summary.
Occupied-building coordination
Access permissions, water-use restrictions, elevator or loading rules and unit scheduling can add legitimate planning time in condominiums and operating businesses.