Separator module for a stormwater gully chamber

A separator module for a stormwater gully chamber, the separator module comprising:

• a partition arrangement which, in use, divides the chamber into an upper region and a lower region, the partition arrangement comprising:
• an inlet chute having an opening which, in use, provides an inlet to the lower region from the upper region;
• an outlet chute having an opening which, in use, provides an outlet from the lower region to the upper region;
• and
• a weir separating the outlet chute from the inlet chute;
• wherein at least a portion of the partition arrangement is flexible so as to allow an external diameter of the partition arrangement to be adjusted to fit different sized chambers;
• wherein the partition arrangement comprises a partition plate and separate inlet and outlet chute components forming the inlet and outlet chutes respectively, the partition plate having first and second openings for receiving the inlet and outlet chute components and an axially extending central standpipe portion disposed between the first and second openings;
• wherein the central portion comprises first and second slots extending axially from the first and second openings;
• and
• wherein the width of the first and second slots and thus the width of the first and second openings is adjustable so as to alter the external diameter of the partition arrangement.