SPEC GROUP

Group of Companies

On Site Services

Wastewater Treatment Works

SPEC offers complete rehabilitation of wastewater treatment works (WWTW) together with new installations.

Services include:

  • Cleaning of digesters on the inside/outside

  • Rehabilitation of complete digester which include all piping, valves, concrete rehab, corrosion protection, bearing replacement etc.
  • Biofilter repairs (mechanical and civil)

  • Humus tank repairs, i.e. bridges, overflow plates, cleaning, piping etc.

  • Inlet works repairs (mechanical and civil)

  • Refurbishment of lime dosing equipment

  • Repairs to overflow tanks (mechanical and civil)

  • Primary sludge pump repairs, including tank cleaning, pump/piping repairs

  • Primary settling tanks repairs, i.e. bridges, overflow plates, cleaning, piping etc.

  • Primary splitter box repairs (mechanical and civil)

  • Scum thickener repairs (mechanical and civil)

  • Supernatant sump repairs and cleaning (mechanical and civil)

  • Sludge drying beds cleaning and repairs (mechanical and civil)

Other types of works offered at WWTW:

  • Removal of weeds in sludge ponds by mechanical methods.

  • Bring in clay soil to protect the floor of the newly cleaned ponds. Use mechanical rollers to get the correct compaction, or alternatively lay HDPE lining in ponds

  • Building new bundwalls in these ponds to utilize the ponds for smaller units

  • Install handrails around ponds for safety reasons

  • Build concrete walkways around ponds

  • Manufacture and install access walkways all around the treatment works

  • Clean area to WWTW standards


  • Archimedes Screw complete - Fish Water Flats PE
    Archimedes Screw complete - Fish Water Flats PE
  • Biofilter after temporary repairs - Belmont Valley WWTW
    Biofilter after temporary repairs - Belmont Valley WWTW
  • Biofilter before repairs - Belmont Valley WWTW -
    Biofilter before repairs - Belmont Valley WWTW -
  • Repairs of clarifier - Despatch WWTW
    Repairs of clarifier - Despatch WWTW
  • Digestor - before - Belmont Valley WWTW
    Digestor - before - Belmont Valley WWTW
  • Digestor - after - Belmont Valley WWTW
    Digestor - after - Belmont Valley WWTW
  • Cleaning of aeration basin - Despatch WWTW
    Cleaning of aeration basin - Despatch WWTW
  • Repairs to aeration system - Despatch WWTW
    Repairs to aeration system - Despatch WWTW
  • Sludge lagoon - before - Despatch WWTW
    Sludge lagoon - before - Despatch WWTW
  • Sludge lagoon - during cleaning - Despatch WWTW
    Sludge lagoon - during cleaning - Despatch WWTW
  • Sludge lagoon - nearly complete - Despatch WWTW
    Sludge lagoon - nearly complete - Despatch WWTW