Across Indonesia, our teams deliver complex construction, mechanical piping, and industrial projects — built to last, executed with precision.
Comprehensive structural and mechanical works at one of Indonesia's largest pulp mills. Executed in collaboration with PowerChina, involving full workforce mobilization and coordinated daily operations at Sungai Batang site.
Precision installation of high-capacity electric pumps and insulated piping systems, ensuring optimal fluid flow and system efficiency across the facility.
Manufacturing hundreds of structural pipe units in our dedicated workshop, with precision welding and quality control before deployment to construction sites.
Pre-shift safety briefing for our tank construction team, ensuring every worker is equipped with proper PPE and briefed on daily hazard protocols.
Expert team performing certified rigging and hoisting at height, carefully lifting and positioning structural beams in constrained elevated environments.
Coordinated erection of massive cylindrical storage tanks using a heavy-duty mobile crane, with personnel operating at heights above scaffolding platforms.
Installation of multi-level stainless steel processing towers with crane-assisted lifting, complete with interconnecting pipework and access walkways.
Full-scope construction of an integrated chemical processing plant including structural steel erection, vessel installation, and piping tie-ins. The project involved extensive equipment staging and coordinated multi-discipline teams across the site.
Supervisor-led technical coordination session inside a live mechanical plant facility, ensuring alignment between multi-discipline teams on piping and equipment installation.
Multi-team field coordination between GSA personnel and PowerChina JEPCC engineers, reviewing technical drawings and planning daily work sequences for mechanical erection.
Ground-level coordination meeting during active civil works, with team leads reviewing structural progress against construction milestones in an open industrial building.
Full-shell construction of an oversized industrial storage tank, built course-by-course using full scaffolding systems. Green-painted roof structure and ladderways completed simultaneously.
Spectacular vertical lift of a tall industrial pressure vessel using a heavy-duty crawler crane. The operation required precise rigging planning, structural integrity checks, and coordinated team execution to achieve a clean, safe vertical installation at the designated foundation pad.
Simultaneous erection of multiple large cylindrical storage tanks within an active industrial complex, coordinated alongside building construction and crane operations — all within a tight site layout.
Precision shell-course welding and erection of three large-diameter steel storage tanks side-by-side, with full bamboo and tube-and-coupler scaffolding throughout the construction phase.
Crane-assisted lowering of a completed tank roof section onto an open tank shell, with workers positioned inside to guide exact seating alignment — a high-precision lift requiring careful load control.
High-elevation installation of large manway nozzles on a storage tank shell, with workers wearing full fall-arrest harnesses as they weld and fit flanged connections at height.
Top-down view of a green-painted floating tank roof being lowered by crane slings into position inside the open tank shell, with crew guiding the structure into precise alignment.
Aerial overview of multiple completed tank roofs (green-painted), showing the scale and density of simultaneous tank construction operations across the site in Air Sugihan.
Close-up of a large tank during roof installation, with crane hook and slings positioned to set the curved green-painted rim plate — worker on top providing hand signals to the crane operator.
A dramatic crane lift captures the massive green-painted tank roof disc suspended fully in mid-air before being lowered onto the waiting tank shell below. The operation required multi-point sling rigging to keep the large flat disc level throughout the lift.
Impressive aerial photograph showing six large storage tanks simultaneously under construction inside a reinforced concrete plant structure — with workers visible atop the green-painted roofs, showcasing the scale and complexity of the project execution.
GSA field crew working alongside PowerChina JEPCC engineers on elevated piping installation. Worker mounted on scaffolding pipe while team below coordinates positioning of structural steel members in an active green-framed plant structure.
Dusk view of an active industrial plant with smoke emissions, showcasing the scale of the facility after successful mechanical and structural commissioning by our teams.
Precision lifting of a massive semi-circular tank roof plate segment. The multi-point rigging configuration ensures the asymmetrical plate remains perfectly balanced during the long lift over the scaffolding structure.
Mobile crane lifting a large pre-fabricated green structural steel beam off a flatbed trailer for installation into the main plant structure, coordinating logistics and heavy lifting in a tight site area.
A highly demanding vertical lift of a tall, narrow steel column structure from its transport trailer. The crane operator and rigging team executed a flawless upending procedure to transition the piece from horizontal transport to vertical installation.
Site crews manually adjusting and preparing large diameter stainless steel pipe elbows at the laydown yard, staging materials for the next phase of the mechanical piping installation sequence.
Workers safely positioned on narrow, elevated scaffolding platforms near the top rim of a large storage tank, executing precision mechanical works directly beneath overhead piping and conveyor infrastructure.
Wide perspective showcasing complex concurrent construction: multiple large-scale tanks fully wrapped in scaffolding, being built simultaneously beneath a massive structural steel pipe rack and conveyor system. Demonstrates our capacity for high-density, multi-discipline site coordination.
Progress view of three massive cylindrical storage tanks side-by-side. The far right tank has successfully received its green structural roof, while the others remain in the shell welding and scaffolding phase, supported by heavy crane logistics.
Workers engaged in welding and fabrication tasks on the tank shell exterior, while large curved steel plate sections and a manifold of industrial welding gas cylinders are staged in the foreground for upcoming assembly.
A massive, pre-fabricated green structural steel beam securely loaded on a heavy-duty flatbed trailer, navigating challenging muddy site conditions to deliver critical materials directly to the erection zone.
General site overview showcasing the integration of the main concrete plant building alongside a massive, multi-tiered structural steel pipe rack and conveyor gallery, with piping materials staged in the foreground.
Internal view of a massive storage tank under construction, detailing the installation of vertical steel stiffeners (baffles) along the curved inner shell wall, supported by an extensive internal scaffolding system.
A rigger providing critical ground guidance and tagline control while a mobile crane carefully hoists a large steel plate section, demonstrating strict safety protocols during heavy lifting operations.
A team of three specialists working in tandem on an internal scaffold platform, performing high-quality grinding and welding on horizontal shell plate seams from inside the tank enclosure.
Riggers utilizing heavy-duty manual chain blocks suspended from temporary supports to carefully lift and align a heavy vertical steel plate into exact position during intricate internal tank assembly.
A striking top-down perspective capturing technicians securely harnessed on high-level scaffolding, conducting inspections and finalizing exterior tank shell alignments high above the ground.
Breathtaking internal view illustrating the colossal scale of our mega storage tanks. The extensive multi-level scaffolding rings provide access for welding crews to complete the circumferential shell joints in this massive enclosed environment.
Specialized welders equipped with safety harnesses and protective gear carefully executing multi-pass welding and grinding on horizontal shell plate seams from an elevated interior scaffold platform.
Two heavy-duty green mobile cranes operating simultaneously in a tight logistics corridor between multiple completed storage tanks, demonstrating our high-capacity lifting resources and precise fleet coordination.
SANY excavator performing critical earthmoving and drainage trenching operations during the civil groundwork phase. Managing challenging, muddy site conditions to establish proper foundations for subsequent structural works.
Massive black coated steel pipes staged at the laydown yard, ready for installation. Heavy lifting operations are supported by a large orange gantry crane in the background, essential for managing these industrial-scale materials.
A highly complex interior process area featuring interconnected large-diameter pipes, massive pressurized vessels, automated control valves, and multi-level grated walkways. Showcases our capability in delivering high-density mechanical installations.
Detailed view of an elevated pipe rack system. Precision-fabricated green structural steel beams provide robust support for multiple parallel pipe runs, demonstrating meticulous alignment and structural integrity.
A skilled fabricator utilizing a heavy-duty angle grinder to bevel and prepare the edges of a massive steel pipe elbow. This critical preparation ensures optimal penetration for the subsequent structural welding process.
Specialist rigging team carefully maneuvering a large, heavy-duty blue control valve into position within a complex elevated structural framework, coordinating precise alignment with existing pipe flanges.
Wide perspective of an extensive, multi-level green structural steel pipe rack spanning across the facility. Massive concrete foundations provide essential support for this critical plant infrastructure.
Specialist rigging crews operating at extreme heights to install large vertical ducting systems connected to a top-level silo unit. Demonstrates our expertise in complex, high-elevation mechanical installations.
A towering perspective of the primary structural steel framework. Engineered to support extreme static and dynamic loads, this multi-tiered green structure forms the backbone of the processing facility.
Another striking angle of the main structural towers during the erection phase. Precision alignment of vertical columns and horizontal cross-bracing ensures maximum stability before equipment installation.
Heavy-duty, thick-walled seamless carbon steel pipes (DN200) staged under protective tarps at the site. These high-specification materials are crucial for handling extreme high-pressure process fluids.
A Zoomlion mobile crane expertly maneuvering heavy, large-diameter steel pipes at the main staging area. Efficient material handling logistics are essential for keeping our large-scale construction schedules on track.
Wide perspective down a massive elevated green pipe rack showing complex multi-level pipe routing. Specialized manual rigging and chain hoists are utilized to maneuver heavy pipe sections into tight clearances.
Detailed view of manual chain hoist operations on the elevated pipe rack. Our riggers use extreme precision to adjust heavy pipe elevations and ensure perfect flange alignment prior to final bolting and welding.
Looking down a structural shaft during the installation of a massive vertical process pipe. Rigging this heavy component through multiple structural levels requires intricate coordination and high-level safety standards.