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WTE VORTEX Installation Manual

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V5
26/10/2023
VORTEX Installation Manual
The information contained within this Installation Guidance Manual is provided for general
information purposes only and does not take into account any specific requirements resulting from
your particular location and/or site, of which Water Technology Engineering Limited (WTE) has no
knowledge.
Whilst we endeavour to keep the information up to date and correct, we make no representations or
warranties of any kind, express or implied, about the completeness, accuracy or reliability of the
information contained within the Installation Guidance Manual.
Special attention should be paid to the siting of the tank as damage may be caused to the exterior as
a result of inappropriate siting. We would advise that due to the wide variety of possible ground
conditions, specialist installation advice should be sought from a suitably qualified professional as to
the appropriate installation method for your particular location/site.
This manual gives details on the minimum requirements to install VORTEX tanks. It is the responsibility
of whoever is instructed to install the tank, to ensure that the installation method and materials used
are suitable for the Tank and specific location/site conditions at all times of the year.
Water Technology Engineering Ltd do not accept liability for any loss or damage caused as a result of
the customer's failure to ensure appropriate siting of the tank or of an unsuitable, inappropriate or
incorrect installation.
When installing tanks on sites with unusual ground conditions such as high water tables, sloping
ground etc. a civil engineer or suitable qualified person must be consulted to ensure that the
guidance given below is suitable for the site.
Where the guidance below is not suitable for a specific site then a civil engineer or suitably qualified
individual must be consulted to design a suitable installation procedure.
WTE recommends that its products are installed, or the installation works supervised, by WTE
Approved Contractors.
The guidance given below is correct at time of publication but may vary due to continued product
development.
Page 1 of 24

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Summary of Contents for WTE VORTEX

  • Page 1 This manual gives details on the minimum requirements to install VORTEX tanks. It is the responsibility of whoever is instructed to install the tank, to ensure that the installation method and materials used are suitable for the Tank and specific location/site conditions at all times of the year.

  • Page 2: Installation

    26/10/2023 Installation Record Sheet Once completed, a copy of this sheet must be returned to WTE either by post (WTE Ltd, Unit 2, Bolton Lane, York, YO41 5QX) or email (sales@wte-ltd.co.uk). All boxes must be filled in (pump serial number only applies to tanks with an effluent pumping station) in order to validate the warranties.
  • Page 3 VORTEX is a sewage treatment plant designed to process wastewater from buildings that do not have access to municipal wastewater infrastructure. The VORTEX system provides an ideal solution for domestic homes, offices, and other small sites that require on site wastewater treatment.
  • Page 4 Upon delivery all goods must be inspected for damage and to ensure that all components are present. If the VORTEX tank is damaged or any of the components are damaged or missing then this must be recorded on the P.O.D. (proof of delivery document) and WTE Ltd must be notified immediately.
  • Page 5 Ensure the area is secure before undertaking any works. It is essential that the VORTEX tank does not flood. The tank must be installed so that surface water does not pool around the tank as this can cause the tank and Blower Tray to fill with water (please note that the Blower Tray does have drainage holes).
  • Page 6 During backfilling the lid should be closed to prevent the backfill material from being poured in to the VORTEX plant. This is also required to ensure that the tank retains its shape. During backfilling the tank should be filled with clean water. The water level inside the tank should lead the backfill by 200mm.
  • Page 7 26/10/2023 Wet and Saturated Site Installation If required the site should be dewatered prior to, during and after the installation of the VORTEX tank via the use of a side sump or other appropriate dewatering method. During dewatering it is essential that cement and other constituents are not drawn out of the concrete by the action of the dewatering pumps.
  • Page 8 26/10/2023 Wet Site Saturated Site Excavation VORTEX 4 VORTEX 6 & 8 VORTEX 4 VORTEX 6 & 8 Length (A) 1,650mm 2,250mm 1,900mm 2,250mm Width (B) 1,650mm 2,250mm 1,900mm 2,250mm Height of tank Height of tank Height of tank Height of tank...
  • Page 9 26/10/2023 Backfill Wet Site Saturated Site Base (D) 150mm 150mm Concrete (E) 1,400mm Tank height -200mm Sand/Gravel (F) To suit None Soil (G) 200mm 200mm Excavate a square excavation to the dimensions above. Ensure that the excavation sides are properly and fully supported throughout the works, with all water being pumped away to ensure that the excavation is kept dry.
  • Page 10 During backfilling the lid should be closed to prevent the backfill material from being poured into the VORTEX plant. This is also required to ensure that the tank retains its shape. Note that the electric cable must be installed prior to backfilling over the shoulder of the tank.
  • Page 11 A possible method of insulating the VORTEX is to construct a solid wall, 50mm shorter than height of the tank, around the VORTEX unit. There should be a gap of at least 200mm between the tank and the wall and the gap can be filled with compacted sand or other insulative material.
  • Page 12 26/10/2023 (all models) Air Blower Left BLUE (pumped outlet models) Discharge Pump / High Water Level Right To install each beacon the following is required (see picture below): • 5mm Drill Bit (not supplied) • Beacon • Neoprene Gasket • 2x 20mm Washer •...
  • Page 13 26/10/2023 To fit the beacon to the lid: 1. Drill a 5mm hole in each of the three drill starts on the tank lid. 2. Fit the gasket to the underside of the beacon. 3. Pull the wires through the centre hole. 4.
  • Page 14 26/10/2023 The Turret Extension can be cut down on each rib to give the required height. Both the Turret and Turret Extension must be clean and dry. Butyl tape must be laid in a triple layer on the Turret of the tank as shown below. Page 14 of 24...
  • Page 15 26/10/2023 The Turret Extension is then placed onto the Turret and fixed with the 12 screws and washers provided as shown below. The screws must be evenly spaced at approximately 215mm intervals. Page 15 of 24...
  • Page 16 VORTEX tanks may be installed in a trafficked location. The VORTEX tank is not designed to be load bearing so a suitable reinforced transfer slab must be laid with a rated 900mm x 900mm clear opening cover and frame over the tank turret. Please note that the moulded VORTEX lid is not required.
  • Page 17 26/10/2023 Both ends of the duct must be sealed with expanding foam to prevent the air blower(s) drawing air from inside the tank. The Blower Housing should be orientated so that the alarm light will be seen when it activates. Page 17 of 24...
  • Page 18 26/10/2023 Electrical Installation All electrical work must be carried out by qualified personnel, using suitable materials and must comply with current regulations. All electrical items must be sited and installed so that wherever possible a service engineer has full access to the system without requiring entry to a building. The electrical contractor must provide a steel wire armoured (SWA) cable from a local fused point of isolation to the socket in the Blower Housing.
  • Page 19 26/10/2023 The cable must enter the Blower Tray through the compression gland (5) as shown below. Page 19 of 24...
  • Page 20 26/10/2023 If the tank has a pumped outlet: = Pump power cable. = High level alarm float switch. This gland has an insert to reduce the diameter. = Pump lifting chain. The equipment in the Blower Housing is pre-assembled. The power supply cable should be connected and terminated into the socket provided with a suitable gland (not provided).
  • Page 21 26/10/2023 A photo of each reading must be taken and emailed to sales@wte-ltd.co.uk. The email subject/title must include the invoice number for the tank. The invoice number can be found on the top right hand side of the delivery note attached to the tank.
  • Page 22 Air should be supplied to the SSR so that it continuously recycles water and sludge from the base of the Final Settlement Tank back to the Biozone. A video showing what the aeration in the VORTEX should look like can be seen here: http://www.youtube.com/watch?v=SdFbJMEjWrw It is essential that the Air Regulator is set correctly as the system may fail to function correctly if it is not.
  • Page 23 26/10/2023 In order to validate any future warranty claim on the air blower(s), a record of the backpressure at the time of installation will be required. Please record the backpressure on the installation record sheet at the front of this manual and inform the owner that the sheet must be retained. Page 23 of 24...
  • Page 24 Please contact our office on +44 (0) 01759 369 915 for details of your nearest trained contractor. We are always looking to expand our network of trained contractors. If you are interested in becoming a WTE approved installer/service engineer please contact our office on the numbers above.