Derrick/ Mast Inspections - AIMMS Group :


Derrick/ Mast Inspections

AIMMS offers both API RP 4G Category III inspections and API RP 4G Category IV inspections and recertification. Our engineers and technicians have extensive experience in both types of inspections and can provide these services anywhere in the world. When they’re done, you can be assured that your equipment is in accordance with both manufacturer and API standards. The CAT inspections depending on location are typically conducted in two phases. An initial inspection where the corrective actions are documented and provided to the client. On completion AIMMS provide a final inspection where a certificate is then provided for client records. Our expertise enables us to provide teams to conduct various types of inspections including:

Derrick/Mast & Substructure Inspections:

We are able to conduct full and comprehensive derrick inspection surveys in line with API RP 4G, our dedicated & experienced inspection team are qualified in line with API RP 4G –Section 4.2 requirements. We will work with your team and will resolve any & all issues that we find during the comprehensive survey in so far as practical. This attitude has resulted in a large number of very satisfied and repeat clients over the years

  • Pressure Vessel Design & Drafting
  • Storage Tank Design & Drafting
  • Piping Design & Drafting
  • Reverse Engineering
  • 2D & 3D Drafting Services

Derrick/Mast Bolt Inspection & Torqueing:

Our dedicated and experienced team of technicians have successfully completed numerous bolt inspection surveys & bolt torque jobs over the years, we utilize approved and recognized methods with the relevant and required tools to complete this task safely and efficiently. We work in line with the applicable international standards and our clients’ own requirements, and with our strict approach to safety and training.

Derrick/Mast & Substructure Refurbishment:

If and when our technicians or your personnel, during routine checks find defective items or members in the derrick/mast or substructure we can supply engineering and qualified personnel to carry out the remedial work in line with the relevant IACS requirements and your own internal needs, with as minimal disruption to your operation as possible.

  • Structural Analysis and Design Calculation Services
  • Connection Design
  • Structures 2D Drafting & Detailing