Sectional Tank Installation Guidelines
Installation Guidelines
The tank type determines the type of foundation that may be used for installation. Base guidelines are provided for each tank ordered.
Externally flanged base tanks
Option 1 – Solid bearers
Concrete dwarf walls – placed at 1000mm centres for metric tank panels. As space is required underneath the tank, externally flanged base tanks must be placed on an elevated structures outlined in the image.
Option 2. Steel supports
Parallel steels beams placed on raised steel supports. Steels placed at 1000mm centres metric tank panels.
Option 3. Secondary Steels
Concrete dwarf walls with parallel steels running perpendicular to dwarf walls. Primary walls centres no less than 750mm. Steels placed at 1000mm/500mm centres metric tank panels. This arrangement becomes necessary where access is restricted due to primary supports at 500mm centres.
Space requirements for installation
| A | B | C | D | |
| Tanks up to 3m deep | 600 | 425 | 750 | 500 |
| Tanks 2m – 2.5m deep | 600 | 525 | 750 | 500 |
| Tanks 3m – 4m deep | 600 | 625 | 750 | 500 |
Clearance dimensions in mm
Clearance may be varied by agreement for small tanks where access is deemed suitable.
Ladders with hoops will require a space of at least 1030mm.
City Tanks
Internally Flanged Base
Internally Flanged (IF) Tanks
Totally Internally Flanged (TIF) Tanks
Option 1 Concrete plinth
Flat concrete plinth- ensuring the plinth is level and that it extends 150mm beyond the tank internal length and width dimensions
Option 2 Steel supports
Parallel steel beams – placed at 500mm centres metric tank panels.
Option 2 Steel supports
Parallel steel beams – placed at 500mm centres metric tank panels.
| Internally flanged base tanks | B | C | D |
|---|---|---|---|
| Tanks up to 3m deep | 425 | 750 | 500 |
| Tanks 2m – 2.5m deep | 525 | 750 | 500 |
| Tanks 3m – 4m deep | 625 | 750 | 500 |
| Clearance dimensions in mm. Clearance may be varied by agreement for small tanks where access is deemed suitable. Ladders with hoops will require a space of at least 1030mm |
|||
| Internally flanged (IF) tanks | B | C | D |
|---|---|---|---|
| Tanks up to 3m deep | 150 | 750 | 500 |
| Tanks 2m – 2.5m deep | 150 | 750 | 500 |
| Tanks 3m – 4m deep | 150 | 750 | 500 |
| Clearance dimensions in mm. Clearance may be varied by agreement for small tanks where access is deemed suitable. Ladders with hoops will require a space of at least 1030mm |
|||
| Totally internally flanged (TIF) tanks | B | C | D |
|---|---|---|---|
| Tanks up to 3m deep | 50 | 750 | 500 |
| Tanks 2m – 2.5m deep | 50 | 750 | 500 |
| Tanks 3m – 4m deep | 50 | 750 | 500 |
| Clearance dimensions in mm. Clearance may be varied by agreement for small tanks where access is deemed suitable. Ladders with hoops will require a space of at least 1030mm |
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Why work with us for your Water Storage Needs?
Over 50 years’ industry experience
Projects completed in the last 24 months
Nicholson Plastics is a UK GRP Cold Water Storage Tank Manufacturer with a proven track record in the supply of water tanks to all industry sectors throughout the UK. We have an expert team on hand with over 50 Years' industry experience. Our team works hard to provide exceptional industry lead times from quotes, site visits, order processing, and delivery. We are a British Standard approved company with full certification through BSI/ISO9001 including WRAS approved certified water tanks suitable for potable drinking water.
- Over 50 years of technical knowledge.
- Quality assurance at a local level.
- UK customer support teams, backup, replacement service & advice.
- Supporting local and sustaining UK manufacturing.
- Regional sales representatives for site visits, emergency water requirements, and project advice.
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At Nicholson’s, we pride ourselves in manufacturing and installing GRP water tanks of the highest quality throughout the UK. Click to see Our Certifications.
