As I mentioned on previous posts, I am helping out a friend with his system. The design calls for 1000 gallons of water storage.
I called a company that does precast concrete and asked for a septic tank. The woman on the phone gave me the size and price. She asked what it was for, and I told her thermal storage. She said "oh"
When the owner called to order it, someone at the company took notice because our town has all city sewer. They got into a conversation and a heavy, 6" wall tank with rebar and an interior plastic coating was recomended instead of the thin wall tank usually used.
The OD of the tank is about 7'x7'x7', the cost is about $3,000 delivered. He checked and told me that 200 deg f max temp is OK. The total volume is around 1200 gallons.
We plan on insulating all sides w/ 4" extruded polystyrene.
What do you guys think? Don't beat me up too bad because its ordered already.
I called a company that does precast concrete and asked for a septic tank. The woman on the phone gave me the size and price. She asked what it was for, and I told her thermal storage. She said "oh"
When the owner called to order it, someone at the company took notice because our town has all city sewer. They got into a conversation and a heavy, 6" wall tank with rebar and an interior plastic coating was recomended instead of the thin wall tank usually used.
The OD of the tank is about 7'x7'x7', the cost is about $3,000 delivered. He checked and told me that 200 deg f max temp is OK. The total volume is around 1200 gallons.
We plan on insulating all sides w/ 4" extruded polystyrene.
What do you guys think? Don't beat me up too bad because its ordered already.