The table below provides a general guideline only for sizing a CDS unit. CDS have a staff of experienced engineers who can design a system specific to your requirements.

CDS Units: Key characteristics

CDS Model No	Catchment Area1 (ha)	Nominal Litter Retention m3	Underground Footprint2 m3	Ground Level Diameter m3
P0708	1.5-3	1.3	1.5 X 1.5	0.7
F09083	3-5	0.5	1.5 X 1.5	0.9
P1009	3-5	2.3	1.9 X 1.9	1.0
F09123	5-10	0.5	1.5 X 1.5	0.9
P1012	5-10	2.3	1.9 X 1.9	1.0
P1015	8-10	2.3	1.9 X 1.9	1.0
P1512	10-20	2.6	2.4 X 2.4	1.5
P2018	20-45	5.2	3.5 X 3.5	2.0
P2028	40-150	5.2	3.5 X 3.5	2.0
P3024	70-180	11.2	5.0 X 5.0	3.0
P3030	150-200	11.2	5.0 X 5.0	3.0
P4527	200-250	15.5	7.0 X 7.0	3.0

¹ Table based on Sydney residential catchments. Check with CDS for your specific needs.

² Depth of installed CDS unit depends on pipe invert level.

³ Fiberglass units are available at “supply only” price if desired. All other units are fully supplied and installed by CDS.

NOTE: Twin precast unit combinations can be used to treat large flows – details upon request

Key

P	Precast Concrete
F	Fiberglass
C	Cast – in – place

 

 

P2018 is a precast unit with screen diameter 2000mm and height 1800mm
F0912 is a precast unit with screen diameter 900mm and height 1200mm