Shona's pond build
DIMENSIONS: 4.5m x 2.4m
DEPTH: 2m at it's deepest
VOLUME: 15,000 excluding filters
MATERIALS: Floor: Concrete with reo bar (75-80mm thick). Walls: limestone blocks (500x350x350mm). Waterproofing: 3CC mixed into cement render, 4 coats of LB9 sealer.
BOTTOM DRAINS: 1 x 100mm
FILTRATION: Prefilter (vortex), Main filter (Nexus 200), Polishing chamber (not yet installed). 1 x UV unit.
 |
| Excavator digging hole. 45cm at edges, sloped to 1m deep at middle
|
|
 |
| 45cm deep shelf at edges, start of ditch for bottom drain pipework
|
|
 |
| Bottom drain and pipe in place
|
|
 |
| Sand backfilled over pipework. Reo bar in place
|
|
 |
| 75-80mm concrete floor, much more sloped than it looks in the photo. Note flat shelf around all 4 sides ready for blocks to sit on.
|
|
 |
| First row of blocks (500x350x350), 9 blocks long, 4 blocks wide.
|
|
 |
| First row complete. This row sits completely below surrounding ground level.
|
|
 |
| Almost 3 rows complete.
|
|
 |
| All 4 rows complete! Final ground level will be another half block high than shown here.
|
|
|
|
 |
| 2-3mm cement render with 3CC waterproofing additive mixed in.
|
|
 |
| 2 coats of LB9 sealer plus 2 coats of LB9 sealer (tinted BLACK)
|
|
 |
| Bottom drain pipe going to filtration area. 100mm valve to isolate filters during cleaning.
|
|
 |
| Nexus in temporary position, pre-filter and polishing chamber to be added in future.
|
|
 |
| Brick wall on back edge of pond, filtration sits behind wall.
|
|
^ back to top
|
