Starting concrete forms, overall height of is tank 4.5'.
The flow is gravity into the sump with a pump return capacity of 4,000 gph from the sump through six 1" water return pipes. The concrete walls are 6" thick with 5/8" rebar on 12" centers.
There are three 2" overflow pipes along the back side. The forms are nearly complete after 2 days.
Framing in the 72 by 36" windows. Showing 6" wide cement pour area with snap ties, 5/8" rebar and white PVC 1" water return pipes in place.
Thank you Home Depot Rentals, we will need two cement mixers. At 2 sacks per mix each mixer drum will produce one cubic foot of cement every 5 minutes.
White Cap Contractors Supply delivered the cement right to our doorstep. .
With 200 60# bags of premixed cement we are ready to start That is 120 pounds he is carrying and not even working up a sweat.
Half way there, is that Todd helping out? Last bag of cement up the hill.
The crew takes a break after staging 200 bags of cement at the basement door.
Windows are 3/4" Lucite plastic, 30" by 72", exposed area. The cement flange is 1-1/2" all around for the windows to rest. GE Silicone II was used to glaze the windows. The Silicone adheres reasonably well to the plastic and the cement. Small 1/4" Lucite shims were placed between the window and the cement frame.
A very heavy bead of GE Silicone II glazing was placed all around the cement frame as well as the Lucite window. We used about 12 to 14 tubes of Silicone per window. To the best of our combined experience, the GE brand Silicone II, Kitchen and Bath, Outdoor and Paint over all work equally well. The windows were raised and pressed gently in place. We blocked the windows with cloth covered clamps and timbers to keep them pressed into place until the Silicone setup, which takes about 1 hour in the 65 degree basement. As the Silicone II was very thick in places, we allowed 5 days for it to cure before adding water.
"It will hold, won't it?" Todd had to wash 2,000 pounds of #3 Monterey aquarium sand.
The sump is a 160 gallon plastic aquarium modified to accept the bio tower. The pump, a Performance Pro, 1/4 HP, 2.5 Amp model, circulates close to 4,000 gallons per hour through the 2,000 gallon aquarium. There are 3 each 2" overflow pipes feeding the sump and 6 1" return pipes pushing water around.
Todd has the largest Arowana I have ever seen. He was raised on $6.00 a pound shrimp, the same food the Sting Rays get. The water was a little cloudy from the washed sand but cleared up nicely within several days.
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