Specialised Civil & Marine Works

Science tells you what to build; someone still has to build it. This is where Tectonians put on harnesses, wetsuits and welding masks — in-water works, dam and powerhouse maintenance, industrial surface protection and power line construction.

What we deliver

Marine + in-water works

Assembly, anchoring, tensioning and commissioning of floating debris barriers
Professional diving for underwater inspection, sampling and repair
Over-water working platforms, pontoons and anchoring engineering
Intake and trash-rack cleaning

Dam + powerhouse maintenance

High-pressure jetting of relief drains with pre and post flow verification
Chemical and cement grouting, drilling and injection works
Remedial concrete works and structural repair
Long-term monitoring of dam civil structures

Industrial coatings

Surface preparation to specified cleanliness standards
Multi-stage epoxy coating of powerhouse floors, control buildings and steel
DFT, adhesion and environmental quality control
Waste management and site restoration

Transmission lines + substations

Route survey, feasibility study and design support
Excavation and tower foundation works
Tower assembly and erection, monopoles and lattice towers
Conductor and OPGW stringing to client QA/QC and EHS programmes
Substation civil works and earthworks

Structural preservation + NDT

Impulse radar, ultrasonic pulse-echo and impact-echo testing
Potential field measurement and rebound hammer survey
Pile Integrity Testing (PIT), pile reflection and plate load testing
Concrete core extraction and in-situ testing
Crack, vibration and strain monitoring; preservation of evidence

Selected references

Delivered on real ground.

Request a quotation

Floating debris barrier (TUFFBOOM) installation and commissioning, Bujagali HPP — Bujagali Energy Limited
Surface preparation and coating of the powerhouse, control building and workshop, Bujagali HPP — BEL
Relief drain high-pressure cleaning and flow verification, Bujagali HPP — BEL
Foundations, erection of 21 towers and stringing of 132 kV and 220 kV lines, JIJI & MULEMBWE, Burundi — REGIDESO / KEC International
Intake roof remedial works with specialised grouting and diving, Kiira Power Station — Eskom Uganda

We make it happen

We read the ground. We de-risk the build.

From dam foundations on the Nile to transmission lines across the Great Lakes, our crews turn Africa's toughest sites into certainty you can build on.

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Services

Work

Resources