Atlantic PV1800 Product Manual - Page 4

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Streambed Construction

The less the water level in the basin drops as the pump turns on and the stream fills, the better
for proper function. Proper streambed construction can reduce the amount of water needed for
this transition.
Since transitional volume is determined by how high the rock extends above the liner at the
spillways, minimizing that height reduces the amount of water necessary to fill the streambed.
The drawings to the right display two examples of proper streambed construction to keep the
transitional water to a maximum of 3-4" in depth.
Proper Streambed Construction
Top of water
Transitional Water
Top of liner
Top of water
Transitional Water
Top of liner
Below is an example of improper streambed construction. Stone, gravel and foam can be
combined to make a barrier and create a waterfall, but that barrier will never be watertight.
When the pump is turned off, the water will always drain down to the highest point of the
liner. Improper construction greatly increases the amount of transitional water.
Improper Streambed Construction
X
Top of water
Transitional
Water
Top of liner

PV1700 Pump Vault Installation

The PV1700 is Atlantic's most compact, easy to install pump vault. The PV1700 features an
incredibly strong enclosure, recessed panels on the front that can accommodate Triton
3-Way Diverters, cut lines on the back for 1½" and 2" pump discharges, and marked drill
points on the left and right sides for an Auto Fill.
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