Annual inspection and verification 4 requirements a. operating theatres of any type, including rooms Ventilation systems inspection used for interventional investigations (for All ventilation systems should be subject to at 4.1 example catheter laboratories); least a simple visual inspection annually. b. patient isolation facility of any type; The purpose of the inspection is to establish that: 4.2 c. critical care, intensive treatment or high- a. the system is still required; dependency unit; b. the AHU conforms to the minimum standard d. neonatal unit; (see Chapter 3); e. Category 3 or 4 laboratory or room; c. the fire containment has not been breached; f. pharmacy aseptic suite; d. the general condition of the system is adequate g. inspection and packing room in a sterile for purpose; services department; e. the system overall is operating in a satisfactory manner. h. MRI, CAT and other types of emerging imaging technologies that require It is recommended that a simple check sheet 4.3 particularly stable environmental conditions be used to record the result of the to remain within calibration; inspection. Examples are given in Appendices 1 and 2. j. any system classified as an LEV system under the COSHH Regulations; Critical ventilation systems k. any other system that clearly meets All critical ventilation systems should be 4.4 the definition. inspected quarterly and verified at least The loss of service from such a system 4.8 annually. In some circumstances the verification would seriously degrade the ability of the may need to be carried out more frequently. premises to deliver optimal healthcare. The quarterly inspection should be as detailed 4.5 in paragraphs 4.1–4.3. Annual verification The purpose of the annual verification will be 4.6 to additionally ensure that the system: The annual verification is intended to 4.9 a. achieves minimum standards specific to the establish that: application; a. the system is required; b. is operating to an acceptable performance b. the AHU conforms to the minimum standard (see Chapter 3); c. remains fit for purpose. c. the fire containment has not been breached; Definition of a critical system d. the general condition of the ventilation system is adequate; Ventilation systems serving the following 4.7 are considered critical: e. the fabric of the area served is satisfactory;
4 Annual inspection and verification requirements Ventilation systems inspection 4.1 All ventilation systems should be subject to at least a simple visual inspection annually. 4.2 The purpose of the inspection is to establish that: a. the system is still required; b. the AHU conforms to the minimum standard (see Chapter 3); c. the fire containment has not been breached; d. the general condition of the system is adequate for purpose; e. the system overall is operating in a satisfactory manner. 4.3 It is recommended that a simple check sheet be used to record the result of the inspection. Examples are given in Appendices 1 and 2. Critical ventilation systems 4.4 All critical ventilation systems should be inspected quarterly and verified at least annually. In some circumstances the verification may need to be carried out more frequently. 4.5 The quarterly inspection should be as detailed in paragraphs 4.1–4.3. 4.6 The purpose of the annual verification will be to additionally ensure that the system: a. achieves minimum standards specific to the application; b. is operating to an acceptable performance c. remains fit for purpose. Definition of a critical system 4.7 Ventilation systems serving the following are considered critical: a. operating theatres of any type, including rooms used for interventional investigations (for example catheter laboratories); b. patient isolation facility of any type; c. critical care, intensive treatment or high- dependency unit; d. neonatal unit; e. Category 3 or 4 laboratory or room; f. pharmacy aseptic suite; g. inspection and packing room in a sterile services department; h. MRI, CAT and other types of emerging imaging technologies that require particularly stable environmental conditions to remain within calibration; j. any system classified as an LEV system under the COSHH Regulations; k. any other system that clearly meets the definition. 4.8 The loss of service from such a system would seriously degrade the ability of the premises to deliver optimal healthcare. Annual verification 4.9 The annual verification is intended to establish that: a. the system is required; b. the AHU conforms to the minimum standard (see Chapter 3); c. the fire containment has not been breached; d. the general condition of the ventilation system is adequate; e. the fabric of the area served is satisfactory;
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