Document ID: chunk:federal_register_of_legislation:F2005B01049:body:0:p2
Version: federal_register_of_legislation:F2005B01049
Segment Type: other
Provision Reference: 
Character Range: 2770–5558

with AS/NZS 1850; or
   (b) for an extinguisher that contains BE powder, a minimum classification and rating of 5B, 1F and E in accordance with AS/NZS 1850; or
   (c) for liquid based extinguishers a minimum classification and rating of 5B and 1F in accordance with AS/NZS 1850.
   Extinguishers not having an E capability shall be marked with the electrical prohibition sign given in clause 9.4.2.";
(12) Amending clause 6.1.1 by deleting the words "or NZS 4507";
(13) Amending clause 6.1.2 by deleting the words "or NZS 4507";
(14) Deleting clause 6.6 entirely;
(15) Deleting clause 6.7 entirely;
(16) Amending clause 6.9 by deleting the words "Every extinguisher shall be provided with a support fitting for at least static mounting.";
(17) Deleting clause 6.11 entirely;
(18) Deleting clause 7.2 entirely and substituting a new clause 7.2 as follows:
   "7.2 INTERMITTENT DISCHARGE  The extinguisher shall be subject to an interrupted discharge test as follows: The extinguisher shall be discharged for 3 s nominal, followed by a pause of 10 s nominal, and then discharged for a further 3 s nominal followed by a further pause of 10 s nominal. The balance of the contents shall then be discharged. The extinguisher shall discharge a minimum of 85% by weight of its contents.";
(19) Amending clause 7.5 by deleting the words "The maximum leak rate permitted shall be in accordance with clause 6.5 after 5 years, the pressure in the extinguisher shall be not less than the minimum discharge pressure.";
(20) Deleting clause 7.6 entirely;
(21) deleting clause 7.7 entirely;
(22) Deleting clause 7.8 entirely and substituting a new clause 7.8 as follows:
   "7.8 POWDER COMPACTION TEST
   7.8.1 General  A minimum of five extinguishers shall be correctly charged and each extinguisher in turn shall be held in the vertical position and dropped 500 times from a height of 15 ±1 mm at a rate of 1 ±0.02 Hz onto a rigid horizontal steel plate having dimensions greater than those of the extinguisher base.
   7.8.2 Bonding  All the specimen extinguishers shall be stored at ambient temperature for not less than three months without being disturbed.
   Prior to the extinguishers being discharged, they shall be stored at a temperature of 10-25°C for not less than 24 h.
   7.8.3 Discharge after compaction  At the completion of the bonding period, three of the bonded extinguishers shall be selected and weighed and the results recorded. The discharge time shall be determined as 125% of the time for an uncompacted extinguisher. The test extinguishers shall be discharged for this time in the normal operating mode in their designed configuration. Care shall be taken not to disturb the compacted contents.
   The discharged extinguishers shall be reweighed and the results recorded before