At 159 Inspection Services Ltd, we provide professional AutoCAD drafting and engineering drawing services to support inspection, maintenance, construction, and asset integrity projects. Our experienced CAD technicians produce accurate, detailed, and industry-compliant drawings that help clients manage assets, plan maintenance, document modifications, and maintain reliable engineering records throughout the lifecycle of their facilities.
Whether developing new drawings from site surveys or updating existing documentation following inspections, repairs, or plant modifications, we deliver high-quality CAD solutions tailored to your operational and engineering requirements.
Our services support clients across the oil & gas, petrochemical, chemical processing, power generation, water treatment, manufacturing, marine, and industrial sectors.
Preparation and revision of detailed P&IDs illustrating process flow, equipment, valves, instrumentation, and pipework configurations to support plant operation, maintenance, and regulatory compliance.
Accurate isometric drawings for process, utility, and transfer pipework used for fabrication, installation, inspection, maintenance, and project planning.
Detailed GA drawings showing tank dimensions, shell courses, roof configurations, nozzles, manways, platforms, stairways, access systems, and associated equipment.
Engineering drawings that identify inspection findings, corrosion areas, repair locations, Thickness Measurement Locations (TMLs), Condition Monitoring Locations (CMLs), and Non-Destructive Testing (NDT) inspection points.
Detailed fabrication drawings for repair plates, shell inserts, reinforcement pads, nozzle modifications, structural alterations, and other engineering repairs.
Preparation and updating of as-built drawings to accurately reflect the current condition and configuration of tanks, pipework, and industrial facilities following repairs, modifications, or new installations.
Development of plant layouts showing equipment locations, process pipework, access routes, structural steelwork, utilities, and supporting infrastructure.
Our CAD drawings are developed using information collected during site inspections, ensuring every drawing accurately reflects the current condition of your assets.
Inspection information can include:
This approach enables maintenance teams to quickly identify critical areas, improve inspection traceability, and support effective maintenance planning.
Our engineering drawing services help clients improve the management and reliability of their assets by providing:
Our AutoCAD drafting services integrate seamlessly with our inspection, engineering, Non-Destructive Testing (NDT), and asset integrity solutions. Following inspections, we can produce detailed engineering drawings showing the precise location of defects, repairs, thickness measurements, inspection findings, and structural modifications, creating a permanent engineering record for future maintenance and integrity management.
Whether you require new Piping & Instrumentation Diagrams (P&IDs), Isometric Pipework Drawings, Storage Tank General Arrangement (GA) Drawings, Inspection Mark-Up Drawings, or a complete set of As-Built Engineering Drawings, 159 Inspection Services Ltd delivers accurate, high-quality AutoCAD drafting services that support the safe, efficient, and reliable operation of your industrial assets.