Atlantic ECOBLOX-74243 Product Manual - Page 4

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Eco-Blox must be set on a level, tamped base. If the base of the excavated reservoir is not

firmly compacted or uneven, the blocks may shift under load, destabilizing whatever is set

on top of the reservoir.

Eco-Blox do not retain water directly, they must

be used with an impermeable liner, typically

45mil EPDM, which should be protected from

sharps in the soil, roots, rodent damage, etc.

Before setting the liner in the excavation, cover

the tamped base and soil sides of the excavation

with a layer of underlayment, then set the liner in

the excavation. Because all edges and corners of

the Eco-Blox are rounded, the Eco-Blox can be

set directly on the liner. However, because sharp

gravel and debris can sometimes fall into the

completed reservoir, a second layer of underlayment on top of the liner

before setting the Eco-Blox will ensure maximum security and longevity.

Eco-Blox are designed to support massive distributed loads of up to 7 tons without

collapse. However, point loads over 36psi can break individual ribs. For example, the

pressure exerted by a boot heel jumping down onto bare Eco-Blox may exceed 36psi. A 3"

layer of gravel over the Eco-Blox is all that is necessary to distribute loads sufficiently to

support foot traffic.

Eco-Blox in Pond-free Systems

The water stored in Eco-Blox reservoirs is typically accessed by the Pump Vault, a

reinforced slotted housing that shares the underground reservoir space and houses

pump(s) and plumbing. A single layer of Eco-Blox can be used with all Atlantic Pump

Vaults. Pump Vaults are taller than Eco-Blox so the pump inside will sit at the lowest

point in the reservoir. This will help protect the pump from running dry and maximizes

the usable volume of the reservoir.

For deeper reservoirs, PV1800/PV2300 Pump

Vaults and Extensions (PV18EXT/PV23EXT)

accommodate multiple layers of Eco-Blox. Each

Pump Vault Extension equals the height of one

Eco-Blox. Use one Pump Vault Extension for

each additional layer of Eco-Blox.

EPDM Liner

Underlayment

(2 Layers)

Tamped base