| PDF Pages<\/th>\n | PDF Title<\/th>\n<\/tr>\n | ||||||
|---|---|---|---|---|---|---|---|
| 3<\/td>\n | Direct vacuum extraction, or dislodging Anti corrosion product application Mechanical brushing Brushing and vacuum to dry Detergent application- Disinfection product Brushing Detergent\/solvent if necessary and vaccuuming Re-assembly Rinse and dry if wet methods used If it is not possible to access through Apply the air conditioning system Disassembly where necessary If it is not possible to access through Vacuum suction of the total oxide dust Manual brushing Sealer product application for fibre sealing Rinse and dry Brushing and vacuum to dry <\/td>\n<\/tr>\n | ||||||
| 5<\/td>\n | European foreword <\/td>\n<\/tr>\n | ||||||
| 6<\/td>\n | 1 Scope 2 Normative references 3 Terms and definitions <\/td>\n<\/tr>\n | ||||||
| 7<\/td>\n | 4 Symbols and units 5 Criteria for cleanliness and assessment 5.1 General <\/td>\n<\/tr>\n | ||||||
| 8<\/td>\n | 5.2 Assessment of the need for cleaning 5.3 Design and handing over information 5.4 Determination of cleaning interval <\/td>\n<\/tr>\n | ||||||
| 9<\/td>\n | 5.5 Assessment of the result of cleaning 6 Methodology 6.1 General <\/td>\n<\/tr>\n | ||||||
| 11<\/td>\n | Figure 1 \u2014 Schematic flow chart for procedures to maintain cleanliness of ventilation system 6.2 Assessment of methodology 6.2.1 General 6.2.2 Inspection plan <\/td>\n<\/tr>\n | ||||||
| 12<\/td>\n | 6.2.3 Evaluation methods of dust accumulation 6.3 Cleaning plan <\/td>\n<\/tr>\n | ||||||
| 13<\/td>\n | 6.4 Cleaning methods 7 Evaluation and reporting 7.1 General 7.2 Evaluation of cleaning 7.3 Cleaning report <\/td>\n<\/tr>\n | ||||||
| 16<\/td>\n | Annex A (informative) Cleanliness quality Air ventilation systems A.1 General A.2 Application in general Table A.1 \u2014 Typical applications of cleanliness quality classes A.3 Assessment frequency recommendation <\/td>\n<\/tr>\n | ||||||
| 17<\/td>\n | Table A.2 \u2014Inspection intervals according to cleanliness quality class, in months A.4 Cleanliness class quality measurements Table A.3. \u2014 Acceptable cleanliness levels <\/td>\n<\/tr>\n | ||||||
| 18<\/td>\n | A.5 Acceptable dust accumulation level (new ductwork) Table A.4 \u2014 Acceptable dust accumulation levels in new ductwork <\/td>\n<\/tr>\n | ||||||
| 19<\/td>\n | Annex B (informative) Example of cleaning plan for Air ventilation system B.1.1 General B.1.2 Cleaning plan <\/td>\n<\/tr>\n | ||||||
| 22<\/td>\n | Annex C (informative) Air Handling Units \u2013 specific guidance C.1 General C.2 Recommendations for all cleanliness quality classes C.2.1 Casing, including accessibility\/access doors C.2.2 Units operating under negative pressure only The air leakage of the assembled air handling unit shall be tested at 400 Pa negative pressure and it shall not exceed the applicable rate given in Table C.1. <\/td>\n<\/tr>\n | ||||||
| 23<\/td>\n | Table C.1 \u2014 Casing air leakage classes of air handling units, 400 Pa negative test pressure C.2.2 Filters C.2.3 Humidifiers C.2.4 Coils C.2.5 Sound attenuators C.2.6 Fan position and cleaning, including fan motors <\/td>\n<\/tr>\n | ||||||
| 24<\/td>\n | C.2.7 Drainage and prevention of condensation C.3 Units for advanced cleanliness quality class C.4 Inspection aspects <\/td>\n<\/tr>\n | ||||||
| 25<\/td>\n | Annex D (informative) Specific guidance for Filters in Air Handling Units <\/td>\n<\/tr>\n | ||||||
| 26<\/td>\n | Annex E (informative) Specific guidance for Humidifiers in Air handling units <\/td>\n<\/tr>\n | ||||||
| 27<\/td>\n | Annex F (informative) Ductwork \u2013 Specific installation guidance for Air ventilation system F.1 Acceptable dust accumulation (new ductwork) F.2 Protection, Delivery and Installation (PDI) Table F.1 \u2014 Recommendations Table F.2 \u2014 Locations <\/td>\n<\/tr>\n | ||||||
| 28<\/td>\n | F.2.1 Basic level F.2.2 Intermediate level F.2.3 Advanced level <\/td>\n<\/tr>\n | ||||||
| 29<\/td>\n | F.3 Application of cleanliness levels – airtightness Table F.3 \u2014 Recommended minimum tightness class. <\/td>\n<\/tr>\n | ||||||
| 30<\/td>\n | Annex G (informative) Terminal devices and units \u2013 Specific guidance Air ventilation system <\/td>\n<\/tr>\n | ||||||
| 31<\/td>\n | Annex H (informative) Measurement methods for dust accumulation – Air ventilation system H.1 Evaluation methods of dust accumulation H.1.1 General Figure H.1 \u2014 The reliability level of the results by different evaluation methods for dust H.1.2 Visual inspection <\/td>\n<\/tr>\n | ||||||
| 32<\/td>\n | H.1.3 Methods of verifying deposited solid dust and microorganisms <\/td>\n<\/tr>\n | ||||||
| 33<\/td>\n | H.2 Summary of methods for evaluation of cleanliness Table H.1 \u2014 Summary of the methods used for evaluation of cleanliness of ventilation systems <\/td>\n<\/tr>\n | ||||||
| 34<\/td>\n | Annex I (informative) European Vacuum test method for measuring Dust Accumulation in Air ventilation systems I.1 Test equipment I.2 Sampling procedure <\/td>\n<\/tr>\n | ||||||
| 35<\/td>\n | I.3 Analysis procedure <\/td>\n<\/tr>\n | ||||||
| 36<\/td>\n | Annex J (informative) Kitchen Extract Equipment \u2013 Specific guidance J.1 General <\/td>\n<\/tr>\n | ||||||
| 37<\/td>\n | J.2 Assessment of need for cleaning Table J.1 – Surface grease deposit limits J.3 Assessment of Post cleaning result <\/td>\n<\/tr>\n | ||||||
| 38<\/td>\n | J.4 Cleaning J.5 Cleaning report J.5.1 General <\/td>\n<\/tr>\n | ||||||
| 39<\/td>\n | J.5.2 Photograph records J.6 Preferred method of verifying grease deposits J.6.1 Wet Film Thickness Test (WFTT) – Test equipment J.6.2 Wet Film Thickness Test (WFTT) – Accuracy of measurement J.6.3 Wet Film Thickness Test (WFTT) \u2013 Procedure for the measurement of grease deposit thickness on hard surfaces using a toothed comb <\/td>\n<\/tr>\n | ||||||
| 40<\/td>\n | J.7 System access Table J 3 – Location of Access Panels for Cleaning, inspection and testing Purposes <\/td>\n<\/tr>\n | ||||||
| 41<\/td>\n | J.8 Calculation of cleaning frequency Table J.4 – Initial Clean Frequency Calculator below can be used to assess cleaning or inspection intervals <\/td>\n<\/tr>\n | ||||||
| 42<\/td>\n | Table J.5 – Frequency of grease risk control clean vs average daily grease accumulation <\/td>\n<\/tr>\n | ||||||
| 43<\/td>\n | Annex K (informative) Wiping test method to Evaluate Cleanliness on Site K.1 General Information K.2 Test Equipment K.3 Sampling procedure <\/td>\n<\/tr>\n | ||||||
| 44<\/td>\n | K.4 Analysis procedure K.5 Acceptable cleanliness level Table K.1. \u2014 Acceptable cleanliness levels, according to the wiping method <\/td>\n<\/tr>\n | ||||||
| 45<\/td>\n | Bibliography <\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":" BS EN 15780. Ventilation for buildings. Ductwork. Cleanliness of ventilation systems<\/b><\/p>\n |