01Access & Structures
Scaffolding — design, build & rental
Independent tied, independent supported and suspended systems for vessels, tanks, façades and process plant. Designed, erected, modified, inspected and dismantled by certified erectors.
Suriname · Guyana · Trinidad & Tobago
Industrial services
built on a
zero-incident record.
Scaffolding design and erection, tank cleaning, blasting, rigging certification, HSE consultancy and accredited training — delivered to the energy, marine and construction sectors since 2015.
- Operating since
- 2015Operating since
- Recordable incidents
- 0Recordable incidents
- Senior staff trained for Staatsolie
- 37+Senior staff trained for Staatsolie
- Service disciplines
- 15Service disciplines
Trusted on contract by
- ExxonMobil — Gas to Energy
- Van Oord
- Jan De Nul
- Schlumberger
- Guyana Port Incorporated
- Bank of Guyana
- Oceaneering
- Guyana Power & Light
- Staatsolie
- Sadhna Petroleum
- Wegen Autoriteit Suriname
- MANU Group
- Sara Maria M. Mangal N.V.
- Raghoenath Onderhoudsbedrijf
Why 3J'S-MAC
One contractor.
The whole scope.
From the access system to the certification paperwork, we carry the scope end to end — so the schedule doesn't wait on a handover between three different suppliers.
Full-service capability
One accountable contractor for access, surface preparation, mechanical works, certification and training — not five separate suppliers to coordinate.
Qualified & certified
Led by a certified Risk Management lead auditor, working to ISO 9001 and ISO 14001 guidelines. Technical staff trained and certified for every discipline they execute.
Safety as the deliverable
A zero-incident record across marine, petrochemical, construction and manufacturing scopes. Safety is how the job is measured, not a line item in the quote.
Capabilities
Fifteen disciplines,
one accountable team.
Access, surface preparation, mechanical works, marine support, inspection and certification — mobilised together or as a single scope.
01
02Access & Structures
Welding & construction
Structural steel fabrication and erection, platforms, walkways and plant modifications, executed to client specification and inspected on completion.
03Surface & Mechanical
Tank cleaning & confined space entry
Controlled entry, sludge removal and cleaning of storage tanks and vessels, with authorised gas testing, standby rescue cover and full permit-to-work discipline.
04Surface & Mechanical
High-pressure water blasting
Hydro-blasting for descaling, coating removal and plant cleaning, with trained operators and exclusion-zone control on live sites.
05Surface & Mechanical
Sandblasting & painting
Abrasive blasting to specified surface profiles followed by protective coating application — marine, structural and storage tank assets.
06Surface & Mechanical
Mechanical & piping services
Pipe spooling, installation, alignment and maintenance support for process and utility systems, integrated with our own access provision.
Marine & offshore
Access built for hulls, tanks and live plant.
Independent tied, independent supported and suspended systems, designed for the structure in front of us — vessel bows and hulls in dry dock, dredger side-shells, engine rooms, storage tanks and occupied city-centre façades.
- Suspended scaffolding onboard vessels and dredgers
- Independent tied systems to full building façades
- Independent supported access within operating facilities
- Design, erection, modification, inspection and dismantling
Selected projects
Delivered on live sites, at zero incidents.
A sample of scopes completed for ExxonMobil's Gas to Energy contractors, port authorities, banks and operators across Suriname and Guyana.
Since December 2015
Twenty years of industry, behind every scope.
3J'S-MAC was founded in December 2015 by Marvin Mc Innis, who brings over twenty years of experience across the marine, petrochemical, construction and manufacturing industries.
- 012015
Founded in Suriname
Established by Marvin Mc Innis with two decades of occupational industry experience behind it.
- 022022
Staatsolie drilling programme
Trained 37+ senior employees for Sadhna Petroleum ahead of the Staatsolie drilling programme.
- 03Ongoing
Zero-incident delivery
Contracts for Sara Maria M. Mangal N.V., Wegen Autoriteit and Raghoenath Onderhoudsbedrijf completed with zero incidents.
- 04Recent
MANU Group CSS pilot
Delivered the CSS pilot project for MANU Group with zero incidents.
Training programmes
Certified people are the cheapest safety system there is.
Whether your organisation is a small business, a multinational or a local nonprofit, the right training produces a healthier, safer and more productive workforce. Programmes are delivered with our partner Techsafe Training & Consulting Limited and certified by the relevant agencies.
37+
Senior employees trained for Sadhna Petroleum ahead of the Staatsolie drilling programme.
Tell us the scope. We’ll tell you how it gets done safely.
Send us the drawings, the shutdown window or just the problem. You’ll get a considered response from someone who has done the work.
12 documented project scopes · Saramaccaweg #19, Paramaribo