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Mechanical contractor – Who are they and what are their responsibilities?

Who are Mechanical Contractors & What Do They Do? Find out the role and responsibilities of mechanical contractors in construction projects.

Table of Contents


A mechanical contractor is a contractor who is responsible for overseeing and implementing mechanical projects. In a project, they are involved in repairing and processing machines and parts of production equipment of factories and enterprises.

1. What a mechanical contractor is and elements of their job

We can find a mechanical contractor in almost any industry. Although, the details of their work vary depending on the field they work. Generally, a contractor is in charge of installing, maintaining, and repairing mechanical systems, etc.

1.1 Mechanical contractors and the overview you need to know

A mechanical contractor is a combination of many professions, and they can work on many different types of projects in various industries. A mechanical engineer ensures that everything is installed and working correctly, including the systems and components of the plant’s production equipment and machinery, etc.Mechanical contractors work as supervisors, overseeing work and working with other workers to ensure that projects run smoothly. Mechanical contractors may hire subcontractors who are experts in their field to carry out the projects they are working on.Indeed your first thought is that contractors only work on construction sites. However, the opportunities for them are vast and include many different areas such as:

  • Medicine
  • Technology
  • Car
  • Retail
  • Food processing
  • Government
  • Health care

Becoming a mechanical engineer opens many doors and offers many opportunities to specialize in many different fields.mechanical contractor vivablast 7

1.2 Elements that make mechanical contractor become a dynamic profession

A mechanical contractor is an active job and has the opportunity to work with many projects of diverse sizes. Therefore, the types of work of mechanical contractors will also be different, such as:

  • Expansion joint replacement: including new expansion joint supply and installation to protect the pipeline in the thermal expansion process.
  • Filter house repair: including louver and roof fabrication, steel structure replacement, scaffolding, and painting application.
  • Diffuser repair: including a support change, new bolt and nut installation, internal and external repainting, and insulation.
  • Boiler fin tube repair: including cutting, welding, and hydraulic process test to recognize leakage/abnormal deformation
  • Cold pipe cutting and bevelling: supply machines to part off heavy wall wipe, perform any kind of angles for various weld preparations due to its precision and higher safety.
  • Flange facing: provide flange facing solutions from 2” diameter to 126” diameter on any material to meet the surface finish required.
  • Controlled bolting: provide technicians and equipment to ensure properly leak-free bolting connections on any bolted joints safely and competently.

Read more: About insulation contractors – the optimal solution for modern industry

1.3 The mechanical contractor – what do they do, and what are they responsible for?

In projects, a mechanical contractor is heavily involved in coordinating all trades and connecting cooperation between departments. Therefore, the contractor is an essential factor for the success of a project. They must also be aware of time and budget obligations and must complete all elements on time within the project’s budget.Responsibilities of a mechanical contractor are:

  • Manage employees, workers
  • Assign tasks to team members
  • Resource monitoring
  • A full scope of electrical construction and maintenance

It’s important to note that while many mechanical technicians do the work themselves, some also subcontract the work to third-party businesses. mechanical contractor vivablast 3

2. What are some skills a mechanical contractor should have?

The mechanical contractor needs various hard and soft skills to do their jobs effectively. These skills may include:

  • Advanced math skills
  • Strong problem-solving skills
  • Communication skills, both orally and in writing
  • Leadership skills
  • Knowledge of job-specific mechanical systems such as HVAC systems, refrigerators, elevators, etc.

3. The difference between a mechanical contractor and a mechanical engineer?

While contractors and engineers work on different mechanical systems, there are apparent differences between the two career paths. Mechanical engineers design systems and machines that produce energy – such as generators, refrigerators, AC equipment, elevators, etc. Meanwhile, a mechanical undertakes the installation, day-to-day operation, and maintenance of systems and machines.Basically, a mechanical engineer builds systems and machines for public and private use. After such systems or machines are manufactured, the mechanical engineer performs the installation, maintenance, and repair of those systems and machines. If the mechanical engineer’s product doesn’t work, a mechanical contractor will fix the problem, and mechanical engineers do not handle their product again.mechanical contractor vivablast 4

Read more: What are the insulation contractors and how to find an ideal one?

A mechanical engineer is a contractor with a certificate of competence in the related professions and capable of performing contracts requiring experience, knowledge, and skill in the construction, maintenance, repair, and maintenance of mechanical systems requiring such certifications (including but not limited to plumbing, heating, and ventilation, air conditioning, fire protection systems) without limitation scale of the project.As a professional mechanical contractor in Vietnam, VIVABLAST is proud to provide versatile solutions with high technical expertise to support our customers in their industrial challenges. VIVABLAST has solutions for mechanical maintenance, especially for the Power Generation and Oil and Gas industries, from technical consulting to project implementation. The mechanical maintenance solutions provided by VIVABLAST mainly include the implementation of cutting, welding, replacing steel structures, and installation (such as solar installation), which are carried out by experienced staff with specific experts’ qualifications and international organization based on International Standards,… For more detailed consulting information on mechanical contractor services, please get in touch with us via:

About Us

VIVABLAST was founded in 1994, as a 100% foreign-owned company with an ambition to become the most preferred and trustful service provider for industrial assets protection in Southeast Asia.

Over the past two decades, Southeast Asia experienced rapid economic growth with significant investments in industrial facilities, equipment, and infrastructures of Oil and Gas, Renewable Energy, Marine, Power Generation & Manufacturing sectors.

Hence, VIVABLAST has succeeded as a reliable subcontractor for many International & Domestic companies by delivering our professional services to such prestigious companies as PIRIOU, JGCS, Technip, KNOC, Metacor, PTSC groups, Vietsovpetro, etc. with great passion.

Our innovative system of mobile blasting & painting workshops can be mobilized anywhere in Southeast Asia for all major projects and infrastructure sites, which has performed very well during Vietnam’s first refinery project – Dung Quat followed by Vung Ang 1.2 Power Plant project and the biggest Oil & Gas complex in Vietnam – Nghi Son Refinery.

In 2014, VIVABLAST landed in the soils of Thailand, Myanmar, and Malaysia to capture the growing demands of customers at any time and anywhere.

Over 28 years of steady deliberate growth, we feel confident and proud of our team and their capacities to play a vital role in the multi-disciplinary industrial services provider.

Why Choose Us?

Expertise of industrial assets preserving since 1994


VIVABLAST is a company that offers surface preparation and industrial painting solutions for various industries such as oil and gas, marine, construction, and mining. Some of the solutions they offer include abrasive blasting, hydro blasting, tank cleaning, industrial coating, and passive fire protection.

Board of Management

Mr Jacques Vivarès – Chairman
Mr Boris Vivarès – VIVABLAST Group General Director – Commercial & Business Development
Mr Shanthamani Muthukumar – VIVABLAST Vietnam General Manager

VIVABLAST is a global provider of industrial asset protection solutions in Vietnam, Thailand, Myanmar, and surrounding countries. VIVABLAST is a 100% foreign-owned Company accredited ISO 9001:2015 & ISO 45001:2018 by Bureau Veritas with offices and setup over South-East Asia. Since 1994, we have been servicing industry leaders in major projects from construction phase to maintenance programs. Our vertical expertise includes all industry sectors, particularly: oil & gas, power & utilities, shipbuilding, mining and manufacturing. We design and deliver professional services to preserve our Clients’ assets sustainably, through efficient and reliable specialty services and integrated solutions.

VIVABLAST is committed to sustainability and social responsibility. The company aims to reduce its environmental impact through various initiatives, such as implementing environmentally friendly technologies and reducing waste. Additionally, VIVABLAST has programs in place to support its employees, their families, and the communities in which they operate. The company also supports various charitable organizations and encourages its employees to participate in community service activities.