WASTE WATER PUMPING SYSTEMS
Wykamol SumpFlo
™
7/44
Installation and operating guidelines
Technical advice: 0845 400 6666
www.wykamol.com
5. In all instances, the chamber MUST be positioned on a flat, level, concrete base of dimensions sufficient to
fully support the base of the chamber. Once the reinforced waterproof concrete sump has been formed, lay
a 100mm mass concrete within your reinforced waterproof concrete sump, carefully position the chamber
onto the WET concrete base ensuring that no loose debris is inadvertently knocked onto the base, under the
chamber during this procedure. Push the chamber into the wet concrete ensuring that the concrete is fully
imbedded into the bottom of the chamber. Position it such that the inlet/s, cable duct and discharge pipe work
are correctly aligned.
6. Once the chamber is positioned, connect all pipes (inlet/s, cable duct and discharge) to the chamber.
7. Whilst the concrete base is still WET backfill the chamber with a mass concrete. The concrete must be evenly
poured around the chamber ensuring that no voids are left within the concrete. Care must be taken to ensure
that any pipes (or other connections) made, are not damaged. During the concrete pour, ensure that the
chamber is vertical (by use of a spirit level across the chamber’s opening). The chamber MUST be ballasted
with water at the same rate as backfilling such that the level difference between the water and the backfill does
not exceed 150mm at any time.
Please ensure that when pouring the concrete backfill, suitable steps are taken to prevent the concrete entering
the chamber and any connected pipework.
8. The system is supplied with an access cover, this is loose and should sit directly above the top of the chamber
access shaft. Please note that the chamber is only suitable for installation to a maximum of 300mm deeper than
supplied from finished floor level.
9. Please note that the ballast water inside the chamber should not be removed until the backfill has fully cured.
10. It is recommended that an external gate valve (see Section 7 Accessories) be installed on the discharge line
above slab level should the vertical lift exceed 3 meters.
11. It is extremely important that once the chamber has been installed, before the pump is installed, the system is
flushed through and all sand, silt, rubble and general debris removed from the chamber.
FAILURE TO DO THIS WILL INVALIDATE THE WARRANTY ON THE PUMPS.
12. Install the pumps and water level monitoring cables and draw these cables through the cable duct back to the
control equipment/electrical supply.
13. Commission the pumping station. A commissioning service is available, simply contact us on 01442 211554 for
further information.
