GUTTERING AND DOWNPIPE TECHNICAL DATA
| GUTTER | FLOW RATE (Litres/Second) | VOLUME IN 1m LENGTH (Litres) |
| Nu-Line | 5.0 | 12.6 (measured to overflow holes) |
| Mini-Line | 2.5 | 7.3 (measured to overflow holes) |
| NSW Quad | 1.5 | 6.6 (measured to back of gutter) |
| Square-Line | 1.5 | 6.4 (measured to overflow holes) |
| New Ace Quad | 1.5 | 6.2 (measured to overflow holes) |
| Half Round (with overflow holes) |
1.5 | 6.48 (measured to overflow holes) |
| Half Round (without overflow holes) |
2.5 | 7.16 (measured to back of gutter) |
| Roundline (with overflow holes) |
1.5 | 6.32 (measured to overflow holes) |
| Roundline (without overflow holes) |
2.5 | 7.0 (measured to back of gutter) |
| All sections were analysed at a gradient of 1 in 500 (0.2%) AS2180-1986. | ||
| DOWNPIPE | FLOW RATE (Litres/Second) |
VOLUME IN 1m LENGTH (Litres) |
CONTROL |
| 90mm (3 9/16) | 4.2 | 11.44 | Weir |
| 100 x 75mm (4 x 3) | 4.4 | 13.50 | Weir |
| 100 x 50mm (4 x 2) | 3.5 | 9.00 | Weir |
