A 16' tall, 600' long AquaDam was installed in Cedar Lake, 75 miles outside of Dallas, Texas. The primary 16' tall AquaDam is backed up with an 8' tall AquaDam along part of its length. This cofferdam is controlling 10' of mud/water depth.
A berm, the starting bank, was constructed for the AquaDam to start from. This newly built bank is where the 16' tall 33' wide 600' long AquaDam will start from and thus needed to be high enough, so that the water pumped into the AquaDam could not get out.
Here we can see a small bulldozer as it levels and compacts the soil, forming the elevation needed for the starting bank.
The starting bank has been completed. Now three (3) 6" pumps are placed at waters edge. These pumps will be used to fill the AquaDam.
The 16' and 8' tall AquaDams have arrived on site. Straps will be used to lift the large AquaDam off the trailer and into place on top of the starting bank.
The 8' tall AquaDam came with handling ropes for easy attachment.
Here is the 16' tall AquaDam hanging in mid-air from straps, after the flatbed trailer has driven out from beneath it.
The two (2) excavators are lifting the AquaDam to the starting bank. This bank will be where the AquaDam will start from and be filled.
The two (2) excavators are lifting the AquaDam to the starting bank. This bank will be where the AquaDam will start from and be filled.
After the AquaDam is positioned at the top of the starting bank, the excavator will position the bucket over the AquaDam and unroll the unit down the starting bank.
Here we can see the AquaDam has unrolled down the starting bank into the water.
Water is pumped into the fill-tubes located at the open end of the AquaDam, which is at the top of the starting bank. The pressure of the water being pumped inside the AquaDam, causes the unit to unroll.
Water is pumped into the fill-tubes located at the open end of the AquaDam, which is at the top of the starting bank. The pressure of the water being pumped inside the AquaDam, causes the unit to unroll.
Water is pumped into the fill-tubes located at the open end of the AquaDam, which is at the top of the starting bank. The pressure of the water being pumped inside the AquaDam, causes the unit to unroll.
Water is pumped into the fill-tubes located at the open end of the AquaDam, which is at the top of the starting bank. The pressure of the water being pumped inside the AquaDam, causes the unit to unroll.
Now the AquaDam is approaching the ending bank. An excavator is pulling on rope tied to a log the AquaDam is rolled up on, in order to square up the AquaDam with the ending bank. The rope is also wrapped around the log so that as the excavator pulls, the AquaDam also unrolls.
The AquaDam forms a stable work platform, even during installation.
The 16' tall AquaDam is closer to being square with the bank, but additional tweaking is required.
A view from the opposing bank. Only 150' or so left before contact is made with the ending bank.
A bit more pulling is needed to line the AquaDam up with the ending bank properly.
The ending bank has not been built yet. An excavator is on site to and has started building an ending bank.
A look back at the starting point of the 16' tall 600' long AquaDam.
Even at 600' of linear length, the AquaDam is a bit short to make a proper seal. The excavator is extending the ending bank, out into the reservoir, to meet the end of the AquaDam.
The AquaDam becomes stable and pleasant to walk on, once the unit has head taller than the surrounding water.
An example of the homes on the shore of Cedar Creek Reservoir.
The 16' tall 600' long AquaDam continues to fill.
The 16' tall AquaDam is now fully filled and the 8' tall 435' long double closed end backup AquaDam is in place and beginning to fill.
We are using four (4) 3" gas powered water pumps set on top of the 16' tall AquaDam, to fill the 8' tall AquaDam.
The 8' tall AquaDam will give extra support to the 16' tall AquaDam along the turn, where the greatest water depths are present.
The core of the AquaDam is a wooden beam, or a log in this case. The log and end of the AquaDam have been tied back to anchor point along the shore, so there is no possibility of movement.
A 6" discharge hose has been pulled through a culvert, crossing the top of the AquaDam. This hose will be connected to a pump that moves the water from the work, over the AquaDam, and then to the Reservoir.
The 8' tall AquaDam continues to fill.
The 8' tall AquaDam is snugged up, using rope, against the side of the 16' tall AquaDam as it continues to fill.
A string line is pulled across the top of the start of the 16' tall AquaDam. This string line will indicate if additional water needs to be put into the AquaDam.
Both AquaDams are completely filled, forming an effective cofferdam between the lake and the work area.
The work area can now being dewatered.
The contractor placed buoys along the lake-side edge of the cofferdam, to warn boaters of the in-water obstruction (the AquaDam).
The water level in the work area is dropping rapidly.
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