Corrosion Control · Reinforced Concrete Structures
IET Pte Ltd designs, installs and monitors galvanic (sacrificial anode) cathodic protection systems for reinforced concrete assets across Singapore — from rail and tunnel infrastructure to marine, water and building structures. Every system is designed by an AMPP-certified corrosion specialist to BS EN ISO 12696:2022 and AMPP/NACE SP0216.
The Problem
When chloride- or carbonation-contaminated concrete is patch-repaired, the new repair mortar creates a fresh, highly alkaline zone around the reinforcement. Electrochemically, the repaired steel becomes cathodic — and the contaminated concrete immediately surrounding the patch becomes the new anode. Corrosion does not stop; it relocates to the patch perimeter.
This is the incipient anode (or "halo") effect, and it is the single most common reason concrete repairs on chloride-affected structures fail within five to eight years of completion.
Our Services
We establish the true condition of the structure before any repair or protection design is committed.
Every system is engineered from the measured data — not from a catalogue.
Installed by trained crews, integrated seamlessly with concrete repair works.
Cathodic protection is only as good as its verification. We offer structured monitoring contracts for the life of the system.
We also deliver SACP as part of complete rehabilitation packages — combining structural concrete repair, polymer-modified repair mortars, crack injection and anti-carbonation surface protection coatings to BS EN 1504 — so the asset owner deals with one accountable contractor for the whole repair-and-protect scope.
Sectors We Serve
Tunnel linings, escape shafts and station structures — with proven capability to work within restricted night engineering-hours and rail safety regimes.
Jetties, wharves, quay walls and coastal bridges where chloride-induced corrosion is most aggressive.
Pumping stations, sumps, treatment structures and drainage assets exposed to chlorides and biogenic acid attack.
Decks, crossheads, piers and parapets affected by carbonation and de-icing or marine-borne chlorides.
Basement slabs, columns and multi-storey carpark decks with chloride contamination or advanced carbonation.
Process structures, bunds and foundations in chemically aggressive service environments.
Why IET
Cathodic protection is a specialist electrochemical discipline. We invest in the certifications, standards knowledge and quality systems that asset owners and consultants expect of a corrosion control partner — and we put them in writing.
Talk to our corrosion teamCathodic Protection Specialist on staff — systems designed and endorsed by an AMPP (NACE) CP4-certified Corrosion Specialist, the highest cathodic protection certification level.
Current-edition compliance — BS EN ISO 12696:2022 (cathodic protection of steel in concrete), AMPP/NACE SP0216 (SACP of reinforced concrete), and BS EN 1504 (concrete repair products and systems).
Certified management systems — ISO 9001 (quality), ISO 14001 (environment), ISO 45001 (safety) and ISO 27001 (information security).
bizSAFE Star — the highest tier of Singapore's workplace safety and health recognition scheme.
Live infrastructure experience — methodologies developed for LTA-specification rail environments, including restricted engineering-hours access, permit-to-work regimes and stray-current control requirements.
FAQ
Get In Touch
Tell us about your structure and its environment, and our corrosion team will propose the right level of investigation — from a preliminary walkover to a full instrumented condition survey.