System Specification

Total system gallons: 17,680 US gallons (14,721 Imp gallons)

Pond Details

Shape: Oval partly raised

Dimensions: 30 feet x 14 feet x 6 feet deep

Construction: Building blocks on concrete base, rendered with Thoroseal.

Waterproofing: Spray applied Polyurea

Bottom Drains: Two turbo drains

Settlement/Filter feeds: Via two turbo bottom drains

Pipework: 4", 2" & 1½" pressure pipe

System pumps: Two ½ HP Sequence models

Returns: Split between 6 underwater jets and waterfall. Waterfall can be turned off in winter. Skimmers return via waterfall.

System completed June 2001

System designed and built by: Sue and Ralph Owens with a lot of help from Matt next door

Settlement System

Gallons: 600

Type: Two vortex chambers

Operation: Each bottom brain feeds a separate system comprising of a vortex chamber.

Filtration System

Gallons: 1,200

Type Two separate systems comprising of 2 parallel fed vortex units

Biological Chambers: Each vortex chamber contains heavily aerated Springflow filtration media.

Operation: The system operates entirely by gravity with pumps at the end of each system

Other equipment

Skimmers: Two with separate filter chamber and pump arrangement

UV’s: Two 50 watt units from Pond Wise.

Aeration: One Hi blo 80 for filter system and 2 Hi blo 40’s feed each of the turbo bottom drains.