Project Reference List

Project: Houn WwTW
Year: 2005
Client: ODAC
Country: Libya
Value: ?4,065,800.00
Description: This is the third and final Sewage Treatment Plant in the Al Jufra region of Libya, Naston having already designed and supplied the equipment for two other plants for Waddan and Sukna. The plant is designed for a population of 38,000 (7,700 M3/day) producing a chlorinated effluent of BOD - 10 mg/litre and TSS - 10 mg/litre, suitable for irrigation of the renowned local date farms. The process incorporates oxidation ditch, settlement, followed by tertiary filtration and chlorination, to produce the high quality effluent. Naston is responsible for the total civil, mechanical and electrical design, including supervision of installation carried out by international construction companies.

Project: Lochinver WTW
Year: 2005
Client: Scottish Water Solutions (Tulloch)
Country: Scotland
Value: ?533,714.00
Description: Process, mechanical and electrical design, supply, installation and commissioning of Sand, GAC and Limestone filtration system for raw water supply. Includes automatic pressure filters with battery backup and UPS system.

Project: Nairn River Scheme - Croy, Cawder & Sunnyside WwTWs
Year: 2005
Client: Scottish Water
Country: Scotland
Value: ?643,000
Description: Sunnyside: Membrane bioreactor plant to treat 216 m3/day including associated 6 mm and 3 mm inlet screens, pumping station, sludge storage tank and new MCC installed in purpose built kiosk. Croy & Cawdor: Tertiary sand filters and UV systems to treat 622 m3/day and 812 m3/day respectively, including associated pumping stations and new MCCs installed in purpose built kiosks.

Project: Northleach STW
Year: 2005
Client: Thames Water Utilities
Country: UK
Value: ?420,000
Description: Design, supply, installation, testing and commissioning a modular SAF sewage treatment plant rated at 40 m3/hr plus flow balancing tank, standby generator, all electrics and controls, civil and building works.

Project: Portree WwTP
Year: 2005
Client: Scottish Water Solutions (Tulloch)
Country: Scotland
Value: ?700,000.00
Description: Process, mechanical and electrical design, supply, installation, testing and commissioning new waste water treatment works including raw sewage pumping station, screens, GRP settlement tank, picketfence thickener and sludge tank, plus MCCs, kiosk and all instrumentation.

Project: Praia STP
Year: 2005
Client: Ministry of Infrastructure and Transports
Country: Republic of Cape Verde
Value: ?3,000,000.00
Description: Process, mechanical, electrical and civil work for first stage extension to existing sewage treatment plant to treat a total of 8170 m3/day including screening, primary sedimentation, Unitank biological treatment section, sludge settling, digestion and dewatering, with effluent sterilisation using UV and chlorine, plus all controls and SCADA.

Project: Raasay WTW
Year: 2005
Client: Scottish Water Solutions (Tulloch)
Country: Scotland
Value: ?584,290.00
Description: Process, mechanical and electrical design, supply, installation and commissioning of Sand, GAC and Limestone filtration system for raw water supply. Includes automatic pressure filters with battery backup and UPS system.

Project: RNAD Coulport WTP Refurbishment
Year: 2005
Client: Thames Water Services (MOD)
Country: UK
Value: ?450,000
Description: This 18 year old water treatment plant is dedicated to supply water to local MOD facilities. The contract includes the design, supply, installation, testing and commissioning of new and refurbishment parts to allow the plant to operate at 2,520 m3/day. The new equipment includes chemical dosing with caustic, alum and chlorine, tanks, instrumentation, with all MCCs and PLC control systems. The contract is undertaken under the normal MOD Health & Safety requirements.

Project: Robin Hood Airport
Year: 2005
Client: Robin Hood Airport Ltd.
Country: UK
Value: ?1,400,000.00
Description: Design, supply, installation, commissioning and operation of Sequence Batch Reactor (SBR) plant to treat sewage and glycol run off from the new Robin Hood Airport. Based on a total flow of 1400 M3/day, the plant produces an effluent of BOD - 20 mg/litre, TSS - 30 mg/litre, and Ammonia - 3 mg/litre. The sludge is thickened to 20% dry solids. The plant is automatic, including SCADA and telemetry for remote monitoring.

Project: Scottish Water Refurb Programme
Year: 2005
Client: Scottish Water
Country: Scotland
Value: ?4,862,000.00
Description: The projects (41) are part of Scottish Waters minor works framework which involved Naston carrying out a process audit on each project within the package with a fully detailed costed target price. The work includes process analysis, design, supply, installation and commissioning of the works while maintaining operation of the existing schemes. The scope of supply includes mechanical, electrical and civil works.