Journey to 20 footer L-Shape Tank

[tank_maker]

A) Background
We will be commissioning a L-shaped 20 feet tank within the the month of Feb 2012.

Would like to share the journey to realising this set up. And shall be glad to receive suggestion, commend etc C

B) Feature of Tank
The tank set will be installed in mid of Singapore.

Main Tank
1 no. 10ft (length)x 4.5ft (wide) x 3ft (height), full 19 mm Asahi glass EOS tank
1 no. 10ft (length) x 2.5 ft (wide) x 3ft (height), full 19 mm Asahi glass EOS tank

Cabinet
Water proof cabinet with metal cage support (2" x2" rust proof metal stand of shell thickness 2mm).

Shall follow up with posting on the tank fabrication process.

[tank_maker]

A) Cabinet Design
Due to the heavy loading concerned, a steel cage is fabricated as reinforcement to cabinet.
Following is the layout



B) Flow Layout



C) Addition Feature Planned:
- Aging tank - white fibre tub
- Water changing system (Semi- auto with manual overriding device)
- Electrical power back up - 1kVA sine wave UPS

[tank_maker]

A) Cabinet Design
Similarily, due to the heavy loading concerned, a steel cage of 16 vertical beams is fabricated as reinforcement to cabinet.

Following is the layout

[tank_maker]

The first tank size 10ft x 2.5ft x 3ft has been successfully commissioned.


1) Outlook
Following is the outlook and some shots of the salient features for the setup.

The setup will be further boxed up by carpentry work (full height).



2) Water filling
The water was loaded and conditioned using BioZym. The live stock was introduced within 24 hours.

[tank_maker]

3) On the top of Tank

Main Tank:
of size 10ft x 2.5ft x 3ft H, full 19mm Asahi glass.
of full euro-bracing and glass in glass deisgn.
Following is the detail


Return flow:
The system was power by 2 no. Ehiem 1264 pump as return flow; there is 3 dropping as shown on following picture.

Tank Cover:
6 no. 8mm thick Arylic was made as tank cover. the customer has forgo the glass cover due to the risk of glass dropped into the tank (which might damage the base of tank).



Lighting:
1 no 6ft T5 (4 tubes) + 1 no. 5ft T% (4 tubes) was incorporated.

Over flow Box:
The larger than normal over flow was fabricated. It cater 3 down flow pipings. Priminary filtration of mechanical form is catered by this box. Snap shot as follow


The overflow box has an inbuilt piping for auto water drain out (up to 50% of volume). More detail in 4) Sump/Piping section

[tank_maker]

4) Sump /Piping
Sump:
6ft x 2ft sump tank of thickness 10mm catered.
Due to the slight low profile stand, the sump is in rect. high.
Following is the detail



Piping:
- 3 no. 1in piping as down flow
- additional pipin is for water change
- Acrylic drip cover is used (not practiable to use glass due the large compartment.



Water Change piping:
- Additional valve and power head is catered to draw water upon water change. The overall water is 2.5 tons, with this device, water change speed is improved.