Leading Underground Cable Installation Contractor in Singapore
Lih Ming is a leading underground cable installation contractor in Singapore. Our company offers underground cable installation services, including construction and installation, regular inspections, and repair and replacement of underground cables.
With over 40 years of experience, we have the professional staff and in-house equipment to handle all your underground cable installation needs in Singapore.
Experienced Staff with Extensive Underground Cable Installation Experience
We have a team of staff with extensive civil engineering experience, especially in underground cable installation. Our highly trained workforce has strong work ethics and is committed to finding the best solutions to match all our customers’ requirements and budgets.
Our underground cable installation is conducted in a safe and efficient way. Before installing any cables, our experts will carry out risk assessments and stringent checks that meet the safety requirements of the authorities in Singapore. Different cable trenches will then be dug to match the various cable sizes that are to be installed.
Professional Equipment to Expedite Various Projects
We have the necessary equipment like cable rollers, cable socks, cable winches, and cable protection equipment that are needed to install underground power and telecommunication cables as well as cable jointing, splicing, and testing.
Our Underground Cable Installation Services
Laying of low, high, ultra-high tension cables: We specialise in installing low tension underground power cables (6.6kV or 22 kV), high tension underground power cables (66 kV), and ultra-high tension underground power cables (230kV, 400kV) guaranteeing a dependable and secure electricity supply.
Cable Laying Services: We select the laying method to suit the site. Direct laying buries cables straight into backfilled trenches for the most direct, cost-effective route. The draw-in system pulls cables through pre-installed ducts, suited to congested urban corridors with existing services. The solid system beds cables in continuous protective material for extra mechanical protection in higher-risk excavation zones.
Line plant cabling and wiring for telecommunications: We also specialise in line plant cabling and wiring for telecommunications so that the telecommunication wiring and associated equipment can perform to a satisfactory standard.
Cable protection: Cable protection covers will be fitted on all the LV, MV and HV cables and ducts to protect them from water and gas. With protection, the cables can last longer without any damage, even during excavation and earthworks.
Regular inspections and repair of underground gas pipes: We carry out frequent cable tests and inspections to ensure that the telecommunications network is in safe working condition. Any damaged cables will be repaired quickly and safely.
Replacement of underground cables: We will carry out the necessary replacements of any damaged or worn-out cables as they will pose a safety hazard.
Our Underground Cable Installation Process
We follow a structured, eight-stage process on every underground cable project:
- Site survey & feasibility – assessing ground conditions, existing utilities, and access before any works begin.
- Permit application – securing Road Opening Permits (ROP) and other authority clearances required for excavation.
- Excavation – opening cable trenches sized and routed to the project’s cable specifications.
- Cable pulling & laying – installing cables using the direct laying, draw-in, or solid system best suited to the site.
- Protection & backfill – fitting protective covers and backfilling trenches to specification.
- Road & site reinstatement – restoring road surfaces and site conditions to the relevant authority’s standard.
- Testing & commissioning – running cable tests to confirm the installation meets performance and safety requirements.
- Handover – delivering as-built documentation and test records to the client.
Why Choose Lih Ming for Underground Cable Laying Services
Three things set our underground cable installation work apart: our people, our equipment, and our certifications.
Experienced, Safety-Trained Staff
Our team brings decades of underground cable installation and civil engineering work experience, backed by strong work ethics and a safety-first approach. Every project starts with a risk assessment and safety checks that meet Singapore’s regulatory requirements before a single trench is dug.
Professional, In-House Equipment
We own our cable rollers, cable socks, cable winches, and cable protection equipment, along with the tools needed for jointing, splicing, and testing. Keeping equipment in-house lets us mobilise faster and keep projects on schedule.
Certifications & Accreditations
Lih Ming holds ISO 9001 (quality management) and ISO 45001 (occupational health and safety) certifications, is bizSAFE-certified, and holds SP Group-approved contractor status, credentials that matter to developers and agencies procuring cable works at scale.
Projects We’ve Delivered
Over four decades, Lih Ming has delivered underground cable projects across three main categories, spanning the 6.6kV to 400kV voltage range.
Industrial Facilities
Cable installation and upgrading works for factories and industrial plants requiring reliable, high-capacity power distribution.
Commercial Developments
Underground cable infrastructure for office towers, retail developments, and mixed-use projects, coordinated around live-site construction schedules.
Government & Utility Infrastructure
Utility-scale cable-laying and replacement works delivered to the standards required by Singapore’s public agencies and network operators.
Underground Installation Services Across Singapore
Lih Ming provides underground installation services island-wide, supporting commercial, industrial, and government or utility projects wherever they are sited in Singapore, backed by the in-house capacity to run several installations concurrently.
Get a Quote for Underground Cable Installation
Ready to build Singapore’s underground cable network with a contractor that delivers beyond expectations?
Partner with Lih Ming to develop efficient, scalable underground cable installation solutions for Singapore’s commercial and mixed-use developments. Contact our team today for a site assessment and project quote.
Frequently Asked Questions
How long does underground cable installation take?
Project timelines depend on cable length, voltage class, and site conditions, but most work progresses from permit approval through to testing and handover within a schedule agreed at the start of the job.
What voltage cables can you install?
We install low-tension (6.6kV, 22kV), high tension (66kV), and ultra high tension (230kV, 400kV) underground power cables, alongside telecommunications line plant cabling.
Do I need a permit for underground cable works?
Yes. Excavation on public roads or land typically requires a Road Opening Permit (ROP) and clearance from the relevant authority before works begin; we manage this application as part of our process.
What’s the difference between direct laying and duct/draw-in systems?
Direct laying buries cables straight into a backfilled trench, while the draw-in system pulls cables through pre-installed ducts, better suited to congested corridors with existing underground services.
Do you handle road reinstatement after installation?
Yes. Once cables are laid, protected, and backfilled, we reinstate the road or site surface to the standard required by the relevant authority before handover.
