Feet

US customary unit for measuring length. One foot equals 304.8 mm; or 0.3048 meters. (abbrev. ft).

Feet Per Second

US customary unit for velocity. One foot per second equals 304.8 millimeters per second; or 0.3048 meters per second. (abbrev. ft/s).

Female Hex Connector

A hexagonal shaped socket.

Ferro-cement

A rehabilitation technique that employs steel fabric mesh, usually in multiple layers but with the maximum mesh diameter not exceeding 2 mm (1/8 inch), which is fixed to the existing sewer and then covered in high strength grout, either placed in situ by man entry work to form a structural lining or pre-formed into segments for later installation.

Field Data Logger

See Data Logger(Also field data logger.) Keyboard-type device used to electronically record inspection data..