Installation of The Shaftless Screw Screen

Installation of The Shaftless Screw Screen

Spiraltec Case Study
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Screentec Case Study
 City of Everson (WA) - Headworks’ Improvement
 Scope of Work
 Previous installation
 Installation of the Spiral Screen Spiraltec
 Conclusion
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Spiraltec Case Study
 Scope of Work
 Replace the current mechanical screen
 City has to comply with the Biosolids rule*
* All biosolids (including septage) or sewage sludge must be treated by a
process such as physical
screening (3/8’’) to significantly remove manufactured inerts prior to final disposition.
(Department of Ecology – State of Washington)
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Spiraltec Case Study
 Scope of Work
 City of Everson Technical ID
HYDRAULIC CONDITIONS
Influent: Raw Municipal
Average flow: 0.9 mgd
Peak flow: 1.5 mgd
SPACE REQUIREMENTS - FOOTPRINT
Depth: 5’ (1,524 mm)
Channel Width: 12’’ (304 mm)
Equipment Width: 11’’ (280 mm)
Perforated Plate: ¼’’ (6mm)
Installation angle: 35°
Weight: 770 lbs (350 kg)
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Screentec Case Study
 City of Everson (WA) - Headworks’ Improvement
 Scope of Work
 Previous installation
 Installation of the Spiral Screen Spiraltec
 Conclusion
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Spiraltec Case Study
WASTEWATER TREATMENT EQUIPENT
 Previous Installation
 Headworks with a mechanical screen
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Spiraltec Case Study
WASTEWATER TREATMENT EQUIPENT
 Previous Installation
 Issues


Have to comply with the Biosolids rule
Previous screen: ½’’ spacing
 Structural Constraint

Narrow channel, width = 12’’
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Screentec Case Study
 City of Everson (WA) - Headworks’ Improvement
 Scope of Work
 Previous installation
 Installation of the Spiral Screen Spiraltec
 Conclusion
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Spiraltec Case Study
 Installation of the Spiraltec
 Aqualitec’s R&D suggested the Spiral Screen Spiraltec, in order to comply
with the biosolids rule using the existing structure.
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Spiraltec Case Study
 Installation of the Spiraltec
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Spiraltec Case Study
 Installation of the Spiraltec
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Spiraltec Case Study
 Installation of the Spiraltec
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Spiraltec Case Study
 Installation of the Spiraltec
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Spiraltec Case Study
 Installation of the Spiraltec
Previous
Current
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Spiraltec Case Study
 Installation of the Spiraltec
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Spiraltec Case Study
 Installation of the Spiraltec
City of Everson, WA – Spiraltec
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Spiraltec Case Study
WASTEWATER TREATMENT EQUIPENT
 Installation of the Spiraltec
 Benefits
 Biosolids rule
 Structural Constraint
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City complies
No structural changes
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Spiraltec Case Study
 Installation of the Spiraltec
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Spiraltec Case Study
 City of Everson (WA) - Headworks’ Improvement
 Scope of Work
 Previous installation
 Installation of the Spiral Screen Spiraltec
 Conclusion
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Spiraltec Case Study
 Conclusion
 5 Reasons to buy Spiraltec:
1. Fits into narrow structures
2. All in one solution
3. Requires minimal maintenance (Easy brushes replacement)
4. Customizes to any footprint (small to large)
5. Easy to install
 Contact Informations
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