Why it matters
Risk and evidence
- Stored pressure failures can be severe
- Systems are often modified without record updates
- Receivers and protective devices need clear identification
- Examinations may require isolation or draining
PSSR
Air Compressor PSSR Written Scheme
Compressed air systems are common in workshops and production sites, but the written scheme and examination evidence often lags behind equipment changes.
Many compressed air systems need assessment under PSSR and may require a Written Scheme of Examination before examination by a competent person.
PSSRAsset evidenceDefect close-out
When this guide helps
This guide helps workshops, production sites and facilities teams prepare compressor records, written scheme evidence and pressure-system inspection access.
Inspection scope
What we check
- Written scheme status
- Air receiver and compressor evidence
- Protective devices listed in the scheme
- Safe operating limits
- Modification or repair records
Records
What to prepare
- Written Scheme of Examination
- Previous examination reports
- Safe operating limit information
- Maintenance records
- Modification details
Common findings
Defects we see on site.
From examinations across Scotland and the North East, these are the issues that most often weaken the compliance file or need a repair decision:
- No written scheme
- Scheme not matching installed plant
- Unclear receiver IDs
- Overdue examinations
- Isolation not planned before attendance
Does every compressor need PSSR?
Not every compressor has the same requirement. The system configuration, pressure, volume and use need assessment.
What is the Written Scheme of Examination?
It sets out which relevant parts of the pressure system must be examined, how and when.
Can the examination happen while running?
Some checks may be possible in service, but many examinations need safe isolation, draining, cooling or access preparation.
Related expertise
Where this inspection usually appears.
PSSR Pressure System Examinations
PSSR support for pressure systems, written schemes of examination, competent person inspections and examination planning.
Manufacturing and Engineering Inspection Services
Manufacturing and engineering sites usually need inspection evidence across machinery, lifting accessories, compressors, hazardous substances and maintenance access.
Warehousing and Logistics Inspection Services
Warehousing and logistics sites rely on high-use handling equipment, attachments, loading bay plant and compressed air systems that need clear due-date control.
Care and Healthcare Inspection Services
Care and healthcare premises need careful scheduling because lifts, cleaning products, plant rooms and access work can affect vulnerable building users.
Marine, Energy and Food Production Inspection Services
Marine, energy and food production environments often combine heavy use, wet or corrosive conditions, pressure systems, lifting accessories and strict production controls.
Aberdeen Workshop PSSR Compressor Review
Representative case study for compressed air PSSR evidence and written scheme review in an Aberdeen workshop.
Peterhead Marine Lifting and Pressure System Inspection
Representative marine-sector case study for LOLER lifting accessories and PSSR pressure-system planning in Peterhead.
Book an inspection
Need a clear compliance report?
Send the equipment list, site postcode and any due dates. City Inspection Services will confirm scope, availability and the most sensible inspection schedule.
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