MCU14/0056 - Attachment G - Engineering Report & Stormwater Management Plan

STORMWATER TREATMENT
SPEL PURACEPTOR Class 1 stormwater treatment separators
cater for potential hazards to the environment including sites where
there is a risk of oil and fuel spills.
Oils and all petroleum hydrocarbons are treated to the highest discharge
quality exceeding EPA standards ensuring it safe for stormwater discharge.
Major Oil spills from a petrol tanker or a transformer rupture are captured
and contained preventing any stormwater discharge.


                                                                                                                     ST
                                                                                                     N N ATA TE
                                                                                                ATIO
•   Independently tested (laboratory)                                         SERV        ICE ST           s opera
                                                                                                                   tion.
                                                                                                                       r 3 mo
                                                                                                                               nth
                                                                                                                                    d fuel,
                                                                                                              urt afte t of unleade
    and certified to discharge                                                                  ti o n foreco      a tm e n
                                                                                          e sta              d tre            il.
                                                                                   Servic            ture an           gine o
    < 1.86PPM or less petroleum                                                            es cap iesel and en
                                                                                    Includ             d
    hydrocarbons (TPH),from                                                                                                             arbons
                                                                                                                           Hydroc
    5,000PPM ingress                                                                                     oleum
                                                                                              Tot al Petr                ssed in
                                                                                                                                   mg/l
                                                                                                                 s expre                                     tion
                                                                                                        Result                     1                 Reduc
•   Independently field tested to                                                                                           Te s t
                                                                                                                                       Outflow
    discharge ‘no detection’ from                                                                      EQL*           Inflow
                                                                                                                                         <0.05
    >33,000.0PPM                                                                                                         2.4                              No
                                                                                                        0.05                              <0.05                 on
                                                                                                                           302                          Detecti
                                                                                         C6-C9
                                                                                                         0.05                              <0.4
                                                                                               14                          1820
                                                                                         C10-C
                                                                                                          0.4                               <0.1
                                                                                                28                          8.3
The results obtained at HR Wallingford, U.K. are certified to European                   C15-C
                                                                                                           0.1                              tation
                                                                                                                                                     Limit
                                                                                                 36                            ted   Quanti
Standard EN BS858.1 (2006) and are in line with the designed performance                  C29-C                         stima
                                                                                                               ivity: E
                                                                                                      *Sensit
criteria for high performance and long service life between maintenance periods,
achieving results averaging between 0.1 - 1.86mg/