Reference · Glossary · 5 Terms
Glossary: W
Outside plant terms that start with W, in plain language, with links to the OSP map and the operations steps.
Walkover Locator
Also Called: Receiver · Tracker
The receiver the locator operator carries over the drill head to read its position, depth, pitch and roll and guide steering.
- On the Map: Walkover Locator
- SOP Steps: UG-05 Bore Planning and Rig Setup, UG-06 Pilot Bore and Tracking
- See Also: Sonde, Interference
Warning Tape
Also Called: Marking Tape · Caution Tape
Colored marking tape buried above duct in an open trench to warn the next excavator before they reach the duct.
- On the Map: Warning Tape
- SOP Step: UG-08 Other Placement Methods
- See Also: Open Trench
Water Main
Also Called: Water Line
An existing potable water line, marked in APWA blue. Water service lines branch off it to each property.
- On the Map: Water Main
- SOP Steps: UG-04 Potholing (Daylighting), UG-06 Pilot Bore and Tracking
- See Also: APWA Color Code
Water-Blocking
Also Called: Gel-Filled · Dry Water-Blocking
Gel or dry swellable tapes and yarns that keep water from traveling along a cable. Gel is cleaned off with a cleaner the cable manufacturer or owner approves; dry materials are removed.
- SOP Step: SPL-03 Closure and Cable Preparation
- See Also: Loose Tube, Buffer Tube
White-Lining
Also Called: White Lining · Pre-Marking
Marking the proposed excavation with white paint or flags so locators know exactly where to mark, such as white dashes down the centerline of an intended bore path. Some states require it.
- On the Map: White-Lining
- SOP Steps: UG-02 Pre-Construction Survey, Staking and White-Lining, UG-03 One-Call Locates (811) and Ticket Management
- See Also: Locate Marks, APWA Color Code