| Compressed Air Systems |
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| 1 | General arrangement of unfired pressure vessels, compressors, air-driven machinery, valves, piping, moisture traps, reducing valves, safety valves, pressure gauges and drainage arrangements, particularly where susceptible to frost damage. |
| 2 | Installation details indicating assigned working pressures, temperatures and flow rates. |
| 3 | Materials, sizes, capacities, design working pressures, temperatures, testing arrangements and procedures of compressors, air driven machinery, piping, valves and other components. |
| 4 | Details of(a) pipe connections to flanges or other joining arrangements; (b) securing arrangements of compressors, air driven machinery, piping and allowances for vibration; and (c) protection against piping damage and over-pressure to or from cooling fluid in integral jackets.
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| 5 | Information set out in items 1 to 4 is not required to be submitted for |
| 6 | Information for valves and similar minor components referred to in item 3 is not required to be submitted where a manufacturer or an approved classification society certifies that the types of valves or similar minor components have been designed and constructed in accordance with rules or codes. |
| 7 | Information for compressors or air driven machinery referred to in item 3 is not required to be submitted where an approved classification society certifies that the compressors or air driven machinery have been designed and constructed in accordance with rules or codes except that the driving or driven components shall meet the requirements of Part II of the applicable schedule of Schedules I to XV. |
| Refrigerating Gas Systems |
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| 8 | General arrangement and location of compressors, valves, driers, strainers, oil separators, safety devices, sight glasses, piping, temperature and pressure gauges, alarms, condensers, liquid receivers, evaporation arrangements, refrigerated and air conditioned spaces. |
| 9 | Installation details indicating assigned working pressures, temperatures and capacities. |
| 10 | Materials, sizes, capacities, design working pressures, temperatures, testing arrangements and procedures of compressors, piping, valves and other components. |
| 11 | Details of(a) pipe connections to flanges or other joining arrangements; (b) securing arrangements of compressors and piping, allowances for vibration, thermal expansion and contraction and insulation; (c) protection against piping damage and against over-pressure to crankcases and to or from cooling fluid in integral jackets of machinery; and (d) ventilating refrigeration machinery spaces and, for ammonia systems, the gas containing and clearing methods.
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| 12 | Information set out in items 8 to 11 is not required to be submitted for(a) ships not in excess of 18 m certificated to carry not more than 12 passengers; or (b) systems where the power absorbed by the gas compressor is not in excess of 10 kW except where the gas is ammonia.
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| 13 | Information for valves and similar minor components referred to in item 10 is not required to be submitted where a manufacturer or an approved classification society certifies that the types of valves or similar minor components have been designed and constructed in accordance with rules or codes. |
| 14 | Information for compressors referred to in item 10 is not required to be submitted where an approved classification society certifies that the compressors have been designed and constructed in accordance with rules or codes except that the driving motors or engines of the compressors shall meet the requirements of Part II of the applicable schedule of Schedules I to XV. |
