Internasional Independen Surveyor


Ready to assist you in providing
safe, accurate, and reliable Testing, Inspection, and Certification services.

Who We Are


PT. Internasional Independen Surveyor is an independent company established in 2021 and based in Surabaya, East Java.

We provide high-quality inspection, certification, calibration, and technical survey services to support industry compliance, safety, and performance.

Our Commitment


We serve industries such as maritime, construction, energy, forestry, and manufacturing, supported by a team of experts and a commitment to international and national standards.

Our Services


Certification Services

  • Technical equipment & system certification
  • Work Equipment Safety / K3 Certification (as required by the Ministry of Manpower)

Periodic Inspection Services

  • Inspections for tanks, pipelines, boilers, pressure vessels, and heavy equipment

Technical Installation Inspections

  • Electrical, piping, mechanical, HVAC, and production system inspections

Calibration / Metrology Services

  • Calibration of temperature, pressure, dimensional, electrical, and other measuring tools

Ship Classification Services

  • Technical inspection and classification for commercial and industrial vessels

QA/QC & Commissioning

  • Quality assurance and commissioning for new industrial systems

Independent Tally Services

  • Cargo tally and physical counting for logistics and shipping operations

Industrial Cleaning Services

  • Post-construction and facility cleaning for industrial sites and buildings

Marine Survey & Draught Survey

  • Draft reading, displacement calculation, bulk cargo estimation (IMO standard)

Feasibility Certification (Sertifikat Laik Fungsi/SLF)

  • Hammer Test
  • Cone Penetration (Sondir)
  • Hardness Testing

NDT (Non-Destructive Testing)

Inspection with Non-Destructive Testing (NDT) method based on ASME V and AWS D1.1 standards aim to ensure the quality of welding in structures and materials without causing damage.

Scope of inspection:
  • Liquid Penetrant Testing (PT)
  • ⁠Magnetic Particle Inspection (MPI)
  • ⁠Ultrasonic Testing (UT)
  • ⁠Phased Array Ultrasonic Testing (PAUT)
  • Eddy Current Testing (ECT)
  • ⁠Radiography Interpretation (RI)

On/Off Hire Survey

Inspection and Examination of the vessel's condition to ensure it complies with the applicable requirements. Scope of inspection:

  • Conducting surveys based onn vessel data.
  • Performing sounding to determinne the amount of fuel and freshwater on board.
  • Inspecting and examining the condition of the vessel.
Reporting:
  • Official Report
  • Tank Sounding
  • Final Report

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