RainWater Retention

Rainwater Retention for a Single-Family House

with DRAIN­MAX Tun­nel and throt­tle cham­ber, with cis­terns and out­let throt­tlein com­bi­na­tion with rain­wa­ter har­vest­ing systems

Rainwater Retention for Commercial Properties

with DRAIN­MAX Tun­nel and out­let throt­tle

  • Cleaining of rainwater from sealed surfaces through upstream sedimentaiton and filter chambers
  • Local retention of rainwater, with partial infiltration if possible
  • Controlled discharge flow with low height-offset throttle

1. DRAIN­MAX tun­nel

7. Sed­i­men­ta­tion-/ fil­ter pit

2. Back­fill­ing of tun­nel from sides and top

8. Tank

3. Fil­ter fab­ric

9. Throt­tle

4. Mem­brane pan made of EPDM and fil­ter fab­ric

10. Rain­wa­ter in­flow

5.

11. Entlüftung

6. Top layer

with DRAIN­MAX Tun­nel and pump cham­ber

1. DRAIN­MAX tun­nel

6. Top layer

2. Back­fill­ing of tun­nel from sides and top

7. Sed­i­men­ta­tion-/ fil­ter pit

3. Fil­ter fab­ric

8. Pump cham­ber

4. Mem­brane pan made of EPDM and fil­ter fab­ric

9. Throut­tled lift sys­tem

5.

10. Entlüftung

1. DRAIN­MAX Wabe

7. Sed­i­men­ta­tions-/Fil­ter­schacht

2. Quer­entlüftung

8. Re­gen­wasserzu­lauf

3. Wasser­querverteilung

9. Drosselschacht

4. Folien­man­tel aus EPDM und Ge­o­t­ex­til

10. Ablauf­drossel

5. Ober­bo­den

11. Entlüftung

6. Tank

with un­der­ground round con­crete tank and out­let throt­tle

1. Sed­i­men­ta­tion-/ fil­ter pit

3.  Throt­tle

2. Con­crete tank

4. Rain­wa­ter in­flow

with un­der­ground fi­bre­glass tank and out­let throt­tle

1. Sed­i­men­ta­tion / fil­ter pit

3. Out­let throt­tle

2. Fi­bre­glass tank

4. Rain­wa­ter in­flow
with un­der­ground fi­bre­glass tank and throt­tled lift sys­tem­tle

1. Sed­i­men­ta­tion / fil­ter pit

3. Throt­tled lift sys­tem

2. Fi­bre­glass tank

4. Rain­wa­ter in­flow

with un­der­ground con­crete tank frame-el­e­ments and out­let throt­tle

1. Sed­i­men­ta­tion/ fil­ter pit

3. Out­let throt­tle

2. Frame-el­e­ments

4. Rain­wa­ter in­flow

with un­der­ground con­crete tank frame-el­e­ments and throt­tled lift sys­tem

with un­der­ground round con­crete in-situ tank and out­let throt­tle

with un­der­ground con­crete in-situ tank and throt­tled lift sys­tem

1. Sed­i­men­ta­tion/ fil­ter pit

3. Throt­tled lift sys­tem

2. Con­crete round tank

4. Rain­wa­ter in­flow