Browse Forums Building A New House Re: Underground Rainwater Tanks 3Apr 11, 2017 4:34 pm slime line tanks = $8k +/- $100. generally includes pump/control system. pro - easy to install, cheap to buy tank, base can be included in slab stage, or away from slab using either crusher dust, sand or concrete. cons - cant always get all SW to tank, large and ugly, bulking taking space in yard, does get UV affected. typically the strainer goes first leaving a 600mm opening, causing mozzies breading, dead bugs and sometimes dead cats/possums etc. underground - $18k. earthworks, tank ($4k) backflow prevention devices plus servicing each year, pump, control system. Benefits cant see it, and pretty much can get all SW to the tank. Can install it generally in varied locations, including in slab of a garage. That was always going to be a challenge and a test of patience. Full marks to your mate. Did you discuss the wet area near the trampoline? 16 17361 Hi JW I just read your post and I find this situation quite strange. When we build, we get a temp pole for construction which becomes the permanent pole for one of the… 1 3944 |