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Ecoflo
Biofilter - Polyethylene
This guide contains the information required to install polyethylene Ecoflo Biofilters certified under NQ Standard
3680-910 for advanced secondary treatment (Class III). The installation must be performed by an installer trained
by Premier Tech Water and Environment. To obtain a list of these installers, call our Customer Service
Department at 1 800 632-6356.
For details on the installation of a tertiary treatment system with disinfection (Class V), such as the Disinfection
Filter (FDi) and the UV Disinfection Unit (DiUV Self-cleaning), consult the Installation Guides for these products
which can be found at ptzone.premiertechaqua.com.
Table of Contents
1. Technical Data
2. Wastewater System Component Description
3. Location of Wastewater System Components
4. Effluent Disposal
5. Polyethylene Ecoflo
6. Installation Sequence
7.
Storage, Handling and Shipping
ptzone.premiertechaqua.com)
8.
Typical Installations
1. Technical Data
Material
•
Shell: polyethylene;
•
Lid, central support, tipping bucket, distribution plates and sampling device: polyethylene;
•
Filtering media: natural fibres.
Models
Hydraulic capacity
Number of bedrooms
Type of disposal
Type of bottom
Length (A)*
Width (B)*
Height (C)*
Inlet height (D)*
Inlet height (E)*
Outlet height (Fg and Fp)*
Weight** (including internal components
and dry filtering media)
Dosing volume
Retention volume (between bottom of
tank and under the filtering media)
*Please consult drawings on following page.
**Weights indicated are approximate and not binding. For handling and lifting purposes only.
Premier Tech Water and Environment
®
Biofilter Component Description
(consult the Storage, Handling and Shipping Guide available at
(consult ptzone.premiertechaqua.com for a complete list of typical installations)
1 120 kg (2 460 lb)
ST-570P
infiltration
perforated
3 380 mm (11' 1")
---
1 190 kg (2 620 lb)
---
---
1/18
Installation Guide – Québec
STB-570P
1 260 L/d
3
gravity
watertight
2 000 mm (6' 7")
1 850 mm (6' 1")
1 260 mm (4' 2")
580 mm (1' 11")
38 mm (1½")
---
---
Polyethylene Ecoflo
Edition: 2020-06-23 Rev. 1.0
STB-570PR
pumped
watertight
1 240 mm (4' 1")
1 200 kg (2 640 lb)
145 L (38 US gal)
500 L (130 US gal)
®
– Installation Guide Qc
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Summary of Contents for Premier Tech Aqua Ecoflo ST-570P
- Page 1 ® Ecoflo Biofilter - Polyethylene Installation Guide – Québec This guide contains the information required to install polyethylene Ecoflo Biofilters certified under NQ Standard 3680-910 for advanced secondary treatment (Class III). The installation must be performed by an installer trained by Premier Tech Water and Environment.
- Page 2 Models ST-730P STB-730P STB-730PR Hydraulic capacity 1 620 L/d Number of bedrooms Type of disposal infiltration gravity pumped Type of bottom perforated watertight watertight Length (A) 4 140 mm (13' 7") Width (B) 2 050 mm (6' 9") Height (C) 1 850 mm (6' 1") Inlet height (D) 1 260 mm (4' 2")
- Page 3 Using a septic tank that is larger than the minimum requirements helps improve its pre-treatment performance. A ® concrete or a polyethylene septic tank can be used when installing an Ecoflo Biofilter. Premier Tech Water and Environment provides several polyethylene septic tank models (PST-280, PST-340, PST- 390, PST-440, PST-500 and PST-660), all of which are certified under BNQ Standard 3680-905 and equipped with an effluent filter respecting the same standard.
- Page 4 ® There are many different models of Ecoflo Biofilters and each model has different characteristics. The letters and ® the numbers associated with the Ecoflo Biofilter specify the model's characteristics, as presented in the following table with model STB-570-PR-DiUV as reference: STB refers to the discharge method ST = Open or perforated bottom (infiltration under the biofilter) STB = Watertight bottom (gravity or pumped discharge)
- Page 5 3. Location of Wastewater System Components 3.1 Installation diagrams Ecoflo ® Biofilter Septic tank with Infiltration discharge effluent filter Septic tank with ® Ecoflo Biofilter effluent filter Gravity discharge ® Ecoflo Biofilter Septic tank with Pumped discharge effluent filter 3.2 Minimum setbacks prescribed by existing regulations Regulation respecting waste water disposal systems for isolated In Québec, according to the requirements of the dwellings (Q-2, r.22)
-
Page 6: Installation Conditions
3.3 Installation conditions 3.3.1 Septic Tank All prefabricated septic tanks must be certified under BNQ Standard 3680-905 and must be equipped with an effluent filter respecting the same standard. The installation must comply with the following: • The two (2) access openings must extend to the ground level. Insulated watertight access wells with watertight lids must be used for this purpose;... - Page 7 4. Effluent Disposal MPORTANT HIS IS A CRUCIAL STEP FOR EVERY SEPTIC INSTALLATION ® The Ecoflo Biofilter provides a variety of disposal/dispersal methods of the treated effluent (according to the regulations in effect). ® The effluent from Ecoflo Biofilters can be: •...
- Page 8 4.1.3 Soil thickness The vertical distance between the absorption bed and the groundwater table or any impermeable layer (rock or clay) must comply with the regulations in effect. For high permeability soil (< 4 min/cm), the natural soil must be at least 600 mm (24") thick.
- Page 9 ® 5. Polyethylene Ecoflo Biofilter Component Description ® Exploded view of the Polyethylene Ecoflo Biofilter Premier Tech Water and Environment 9/18 Polyethylene Ecoflo ® – Installation Guide Qc Edition: 2020-06-23 Rev. 1.0...
- Page 10 Lids • Access port for maintenance and inspection – main and secondary access; • Air intake from the main lid provides proper air flow through the system; • Secure both openings with bolted assemblies. Insulating boards • Thermally insulate the system; •...
-
Page 11: Installation Sequence
6. Installation Sequence NOTE: The installer is responsible for the implementation of safety measures throughout the installation (i.e. wearing a hard hat, gloves, boots, safety glasses, mask, etc). ® For a Disinfection Filter (FDi) installation with the polyethylene Ecoflo Biofilter, please consult the FDi’s Installation Guide which can be found at ptzone.premiertechaqua.com in order to take into account the installation steps of the FDi before executing the installation of the biofilter. - Page 12 6.2 Extension pipe and membrane installation (STB models) To ensure a maximum of stability, install the six (6) pipe extensions on the existing pipes assembled on the shell. Lay the membrane on the extension pipes on both sides of the shell. Spread and level the fill material over and under the membranes.
- Page 13 • Glue in place the elbow assembly on the water inlet pipe. Align marks to ensure that the elbow assembly is correctly positioned. Once in place the inlet pipe must be centered with the tipping bucket. The elbow assembly is packaged in the components box.
- Page 14 Biofilters which cannot be fed by gravity or of three Ecoflo Biofilters, a pumping station combined with a pressurized flow divider is required. Premier Tech Aqua offers several pressurized flow dividers. For more information on Premier Tech Aqua’s pressurized flow divider, consult the Peripherals Section at ptzone.premiertechqua.com.
- Page 15 6.6 Connecting the pumped discharge (models with integrated pump) The effluent pipe from the model with integrated pump must be connected to the treated effluent disposal method (absorption bed, watercourse, tertiary treatment, etc.) using a flexible 25 mm (1") Ø pipe. This pipe must be capable to withstand a minimal pressure of 700 kPa (100 PSI) and must also be compatible with underground applications.
- Page 16 CAUTION: When there is a possibility of surface water accumulating on the lot, a drain pipe must be installed to evacuate the excess water and prevent any risk of infiltration. 6.7 Final backfill of the shell 300 mm (12") Complete the backfill. The backfill material must be 50 mm (2") placed with care and not dumped (do not compact with bulldozer).
- Page 17 If you have any questions about the interpretation of this curve, please do not hesitate to contact Premier Tech Aqua. Pump characteristics: • 0.4 HP •...
- Page 18 Remind the customer to fill out and sign the Maintenance Agreement. The customer must keep the white copy, give the yellow copy to the municipality, and send the pink copy to Premier Tech Aqua. By respecting these guidelines, you are contributing to the proper operation of your wastewater treatment system.
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