Inspection Frequencies

General indicative inspection frequencies*

Pressure Months Regulations Notes
Air pressure plant. System > 250 bar/ltr
26 PSSR 1 Normally inspected at 24 month frequency
Hot water boiler (operating at 100°c and over)
14 PSSR 1 Normally inspected at 12 month frequency
Refrigeration and air conditioning > 25 kW
48 PSSR 1  
Steam boiler and steam oven
14 PSSR 1 Normally inspected at 12 month frequency
Steam pressure vessel
26 PSSR 1 Normally inspected at 24 month frequency
Other pressure system
12-120
PSSR 1 Dependent on vessel type, contents and application
Lifting Months Regulations Notes
Escalators 12 PUWER 2 Inspection under workplace regulations
Builders hoists
6 LOLER 3 12 if only lifting goods
Cranes and lifting machinery
12 LOLER 3 Not accessories
Excavators
12 PUWER 2 LOLER if used for lifting
Forklift trucks
12 LOLER 3 In all cases, 6 months if used for lifting persons
Goods, lifts and hoists
12 LOLER 3  
Passenger lifts
6 LOLER 3  
Lifting accessories
6 LOLER 3  
Lorry loader cranes
12 LOLER 3  
Motor vehicle lifting tables
6 LOLER 3  
Power Presses and Process Machinery Months Regulations Notes
Power presses and press brakes 6 PUWER 2 12 monthly where press has fixed guards only or enclosed tool
Paper cutting guillotines 6 PUWER 2  
Metal cutting guillotines 12 PUWER 2 6 months in the unlikely event it is fitted with interlocking guards
Plastic injection moulding machines 12 PUWER 2  
Electrical Months Regulations Notes
Electrical installations and equipment 6-60 EAWR 1989 4, BS7671:2008 Requirements for Electrical Installations (18th Edition Wiring Regulations) Frequency varies according to the type of installation and may be determined by local licensing requirements.
Quarries 6-12 EAWR 1989 4 and Electrical Safety in Quarries The quarry operator should have a maintenance scheme in place to increase the full inspection and testing regime of every 6 months.
Inspection and testing of Portable Electrical appliances (PAT) 6-60 EAWR 1989 4, IEE Code of Practise for In-service Inspection and Testing of Electrical Equipment, HS(G) 107 Maintaining portable and transportable electrical equipment. Frequency varies according to the type of equipment and environment. Risk assessment should be carried out to set the inspection and testing regime. Guidance on frequency is given in IEE Code of Practise for In-service Inspection and Testing of Electrical Equipment.
Inspections of Electro-Mechanical Plant and Machinery 6-60 EAWR 1989 4, PUWER 2 Frequency varies according to usage and environmental condition in which plant is operating.
Local Exhaust Ventilation Months Regulations Notes
Dust / Fume / Vapour extraction 14 COSHH Regulation 7/8 5 6 monthly for metal dust
    Guidance Note HSG 258 6 6 monthly in non-ferrous foundries
Shot blast units 6 COSHH Regulation 7/8 5  
    Guidance Note HSG 258 6  

* Contains public sector information published by the Health and Safety Executive and licensed under the Open Government Licence.