Client Severn Trent Water
Contractor Costain
 
 

Project

Originally the Great Gidding STW site was screened with a 20mm bar screen. To renew the site's screenings capability, a 490 ACE Screener was mounted in a stainless steel prefabricated inlet with LS305 Liquid Separator Station and control panel mounted on a 3m-high gantry.

The inlet screen is pump fed from a 150mm feed pipe at up to 20 litres per second. The screener and prefabricated inlet are positioned on a gantry 20m from the original civil channel which remained fully operational during the civil and mechanical installation.

The screen discharges vertically back to the original channel (under a road) feeding the PSTs some 20m away, with the Liquid Separator Sation discharging the screenings into a bin below the gantry for easy removal.

Installation

The equipment was fitted to the gantry at Haigh’s factory and the platform lifted into position (10m horizontal lift) with a 30-tonne crane in one lift, with the legs and access stairs attached on site. The installation took 3 days.

Key benefits

  • Remote dewatering
  • No washwater required
  • Improved downstream processes
  • High screenings capture ratio (SCR)
  • SCR performance maintained over time
  • Low headloss
  • Small footprint
  • Modular design for a simple project
  • Low volume, low odour screenings
  • Infrequent operation keeps operating costs down
  • Organics returned to flow


Project

Originally the Great Gidding STW site was screened with a 20mm bar screen. To renew the site's screenings capability, a 490 ACE Screener was mounted in a stainless steel prefabricated inlet with LS305 Liquid Separator Station and control panel mounted on a 3m-high gantry.

The inlet screen is pump fed from a 150mm feed pipe at up to 20 litres per second. The screener and prefabricated inlet are positioned on a gantry 20m from the original civil channel which remained fully operational during the civil and mechanical installation.

The screen discharges vertically back to the original channel (under a road) feeding the PSTs some 20m away, with the Liquid Separator Sation discharging the screenings into a bin below the gantry for easy removal.

Installation

The equipment was fitted to the gantry at Haigh’s factory and the platform lifted into position (10m horizontal lift) with a 30-tonne crane in one lift, with the legs and access stairs attached on site. The installation took 3 days.

Key benefits

  • Remote dewatering
  • No washwater required
  • Improved downstream processes
  • High screenings capture ratio (SCR)
  • SCR performance maintained over time
  • Low headloss
  • Small footprint
  • Modular design for a simple project
  • Low volume, low odour screenings
  • Infrequent operation keeps operating costs down
  • Organics returned to flow


Interested in this project?
Call 01989 763131 
OR
 
 
 
Downloads
  • ACE Screener
    ACE Screener
    8pp 2.2 MB
    Download
  • 490 ACE Screener at Great Gidding STW
    490 ACE Screener at Great Gidding STW
    1pp 849.13KB
    Download
 
 
 
Enquire
 


Haigh address and contact details

The Haigh Engineering Co. Limited
Alton Road
Ross-on-Wye
HR9 5NG
Tel: 01989 763131
Fax: 01989 768777
View on map
 
 

Ask Haigh about

490 ACE inlet screen for Great Gidding STW