Appendix C - Stormwater Management Plan

                                                Oil containment

                                         “How it works”
                      2,6



                                4
                                                                              1
                                         5A                                                           5B

                                                                                           3




SPEL PURACEPTORTM is a FULL RETENTION                               2 FULL RETENTION
separator that treats all flows and is sized to                       All liquid is treated. There is no by-pass operation.
contain more than the anticipated maximum                           3 COALESCER EQUIPPED
oil spillage enabling it to be fully operational                      Provides a coalescing process for the separation of
at all times.                                                         smaller globular of light liquid pollutants to reduce the light
                                                                      liquid content in the outlet to
It has two chambers, a coalescer and is fitted with an                5mg/litre or less.
automatic closure device specifically designed to treat and
contain major oil spills thereby making it suitable for high risk   4 INLET DIP PIPE - FLAME TRAP
applications.                                                         For minimum turbulence and to prevent fire and
                                                                      inflammable vapours passing through to the drainage
It achieves a water discharge quality of 5mg light liquids per
                                                                      system.
litre complying to European Standard BS EN 858.1. 2006.
Treatable flow rates range from 2LPS to 200LPS. Pipe sizes          5 TWO CHAMBER
range from 100mm to 450mm (larger sizes on request).                  A non-turbulant flow through two horizontal treatment
                                                                      chambers, utilising the underflow principle to retain light
Careful and proper planning by corporate Australia and
                                                                      liquids in all flow conditions.
government bodies is essential when designing and
implementing systems that are effective in protecting our              A. CONTAINMENT CHAMBER: Where Total Suspended
environment.The proven and independently accredited SPEL               Solids (TSS ) silt, sediments, sludge and gross pollutants
PURACEPTORTM (complies to European Standard BS EN                      are trapped and settle on the chamber floor and where
858.1 2006) is an Australian made stormwater treatment                 light liquids are contained.
and oil containment device that can contain and prevent light
liquid pollutants from discharging into our waterways.                 B. COALESCER CHAMBER: Where light liquids
                                                                       separation is enhanced reducing it to 5mg/litre or less
1 AUTOMATIC CLOSURE DEVICE                                             prior to discharge.
  The AUTOMATIC CLOSURE DEVICE (A.C.D.) is a
  precisely engineered device comprising a water-bouyant            6 GRAVITY OPERATED
  ball that is sensitive to any change in the water density           Will function in the event of power failure and fits into
  as a consequence of light liquids build up, thereby                 existing pipe drainage systems or new sites.
  automatically activating a process of depressing the
  A.C.D. to SHUT OFF the separator, preventing pollutants           7 MAINTENANCE
  from discharging to drains                                          Easy and safe with no entering of the tank required.
  and waterways.