Services · Fiber
Underground Fiber Optic Installation
Fiber optic cable placed through new and existing conduit, built to the construction print and documented for clean handover.
01Overview
Underground fiber optic cable placement
Once the conduit is in the ground, the network still has to be placed through it. ZMB Utilities crews place fiber optic cable underground through conduit between handholes and vaults, working from the construction print and coordinating with the owner or general contractor segment by segment.
This is outside-plant construction: cable placed along the route in new or existing conduit, with slack and labeling as the design specifies. Every segment is recorded as it is built, so the as-built matches what is actually in the ground.
What's included
- Cable placement through new conduit
- Placement through existing conduit after condition checks
- Coordination with handhole and vault locations
- Slack and labeling as the design specifies
- Field records for the as-built
02Process
How the work gets done.
Review
Walk the print and confirm the route, access points and cable specification.
Prove the path
Confirm the conduit is continuous and clear before placement begins.
Place
Place the cable between access points, managing tension and slack as specified.
Record
Document what was placed, where, and any field changes for the as-built.
03Good fit
When to use it
- New fiber builds following conduit placement
- Overbuilds in existing conduit with capacity
- Phased routes that need segment-by-segment coordination
04For a quote
What to send us
- Construction prints with cable and conduit details
- Footage by segment, if available
- Access and permitting constraints
- Target schedule
05Questions
Frequently asked
Can cable go into existing conduit?
Yes, when the conduit's condition and capacity allow. Existing conduit is checked before placement begins.
Who coordinates with the owner?
ZMB works from the owner's or general contractor's print and coordinates segment schedules and field changes with their team.
Other services
Horizontal Directional Drilling
Trenchless bores under roads, driveways, sidewalks and landscaped areas, with minimal surface disruption.
Learn moreConduit Installation
Single and multi-duct conduit runs placed to depth and route, proofed and ready for cable.
Learn moreUnderground Utility Construction
Handholes, vaults, core holes and restoration — the work that connects a route end to end.
Learn morePlanning an underground or fiber project?
Send the prints and the scope. We will review them and come back with a quote.