Trenchless · Service
HDD — Horizontal Directional Drilling
Trenchless installation of ducts and conduits beneath roads, railways, canals and built-up areas — 18 owned rigs and minimal surface disturbance.
Overview
Cross anything. Disturb nothing.
Our 18-rig HDD fleet installs ducts beneath the busiest roads, rivers and railways without tearing up the surface — faster approvals, safer sites and cleaner cities.
- Bores, crossings & pull-backs
- 18 company-owned HDD rigs
- Road, rail, river & canal crossings
- Telecom-grade duct installation
What's Included
Everything delivered in-house
Bores & Crossings
Precision trenchless bores under any obstacle.
Bores & Crossings
Precision trenchless bores under any obstacle.
Owned Rig Fleet
18 rigs, fully owned — no rentals, no delays.
Owned Rig Fleet
18 rigs, fully owned — no rentals, no delays.
Duct Installation
Clean, damage-free duct and conduit laying.
Duct Installation
Clean, damage-free duct and conduit laying.
Site Safety
Minimal disruption, maximum compliance.
Site Safety
Minimal disruption, maximum compliance.
Why Mezux
Trenchless drilling, telecom-grade
Mezux owns 18 HDD rigs spanning entry-level to large-diameter capacity, crewed in-house and mobilised without waiting on rental yards — the single biggest cause of drilling delays simply removed. Roads, rail, canals and dense city streets are crossed with the surface left intact.
Every bore is de-risked first by a GPR survey that maps what already lies beneath, then executed to a controlled profile so existing utilities stay untouched and restoration stays minimal. Approvals are kept ahead of the crews by our in-house RoW desk.
From last-mile ducts to inter-city backbone, the drilling is one accountable programme, not a chain of subcontractors. See delivered routes or request a quote.
Technical Specification
HDD Drilling — Rig & Bore Parameters
| Owned rig fleet | 18 company-owned HDD rigs |
|---|---|
| Pullback capacity | 18 T and 20 T class rigs for urban and last-mile work; 32 T class for long and large-diameter crossings |
| Typical bore length | Up to approximately 300 m per shot on 18/20 T class; longer crossings executed in staged shots or on 32 T class |
| Bore / reamed diameter | Reamed to suit duct bundle — typically 100–300 mm, sized to the installed duct configuration |
| Duct sizes installed | HDPE / PLB 30, 40, 63, 75 and 125 mm, single or multi-way bundles |
| Bore sequence | Pilot bore → reaming (single or multi-pass) → pullback |
| Guidance / tracking | Walkover locating with pitch, roll, depth and position logged along the bore path |
| Utility clearance | Bore designed to maintain planned separation from utilities identified in the GPR survey; crossings verified before drilling |
| Drilling fluid | Bentonite-based, mix designed to soil type; returns managed and disposed to authority requirement |
| Restoration | Entry/exit pits reinstated to the specification of the permitting authority |
Figures are indicative of standard capability and are confirmed per project. Achievable values depend on ground conditions, utility density, site access and authority requirements, and are fixed in the approved method statement.
Quality & Assurance
QA/QC and documentation
Work is executed under our ISO 9001:2015 quality, ISO 14001:2015 environmental and ISO 45001:2018 occupational health & safety management systems. Each project runs to an Inspection and Test Plan (ITP) agreed with the client, with hold and witness points at survey sign-off, bore setout, duct proving, splicing and final testing. Site checklists, test records and as-built drawings are compiled into a handover pack for the client and, where applicable, the permitting authority.
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