EIRE : waste water treatment plants
Roscommon Towns & Villages SS DBO Contract 9
Design and execution
II.1.2(b)) Type of supplies contract
II.1.2(c)) Type of service contract
II.1.2) Main site or location of works, place of delivery or performance: Various Locations throughout County Roscommon
NUTS Code IE013
II.1.3) This notice involves: A public contract
II.1.4) Information on framework agreement (if applicable)
II.1.5) Short description of the contract or purchase(s)
The contract will include:
The construction of new waste water treatment plants on ‘green field sites’ in the villages of Arigna, Brideswell, Creagh and Hodson Bay.
The upgrading of existing Treatment plants at Ballinlough, Ballyleague, Elphin, Frenchpark, Knockcroghery, Loughglynn and Strokestown.
The Operation and Maintenance of newly constructed (2007) WWTP?s at Cootehall, Tulsk and Lisacul.
The Operation and Maintenance of the above wastewater treatment plants for 20 years.
II.1.9) Will variants be accepted: Yes
II.2) Quantity or Scope of the Contract
II.2.1) Total quantity or scope: The contract covered by this prequalification process consists of the following waste water treatment plants (WWTP) and associated infrastructure, as follows:
Arigna:
Construction of a WWTP at Derreenavoggy townland, Arigna.
The WWTP will be designed to treat an ultimate load of 650 Population Equivalent (PE). The effluent will be treated to 25:35:2:5 mg/l BOD/SS/P/Ammonia standard and discharged to the Arigna River.
Ballinlough:
Construction of an upgraded WWTP at Falladeen townland,Ballinlough.
Existing WWTP to be decommissioned/incorporated
Existing outfall to be used and included in contract
The upgrade to the existing WWTP will be designed to treat an ultimate load of 1400 PE. The effluent is to be treated to 5:5:2:1 mg/l BOD/SS/P/Ammonia standard and will be discharged via an existing outfall to Lough O?Flynn.
Ballyleague/Lanesborough:
Construction of an upgraded WWTP at Ballyleague
Existing WWTP to be decommissioned/incorporated
The proposed WWTP upgrade will be constructed on the existing WWTP site. The proposed WWTP will be designed to treat an ultimate load of 3,200 PE. The effluent which will be treated to 25:35:2 mg/l BOD/SS/P standard will be discharged to Lough Ree.
Brideswell:
Construction of a new WWTP at Brideswell
Construction of 316 m of outfall to the Cross river
The proposed WWTP will be designed to treat an ultimate load of 500 PE. The effluent, which will be treated to 10:10:2:5 mg/l BOD/SS/P/Ammonia standard will be discharged via an outfall pipe to the River Cross.
Creagh:
Construction of a new WWTP
Construction of outfall to River Suck
The proposed WWTP will be designed to treat an ultimate load of 1220 PE. The effluent will be treated to 25:35:2 mg/l BOD/SS/P standard.
Elphin:
Construction of a new WWTP at Elphin
Existing WWTP to be decommissioned.
The proposed WWTP will be designed to treat an ultimate load of 1900 PE. The effluent which will be treated to 5:5:2:1 mg/l BOD/SS/P/Ammonia standard will be discharged via an outfall pipe to the adjacent stream.
Frenchpark:
Construction of a WWTP at Cloonshanville, Frenchpark
Decommission existing WWTP
Construction of wastewater pumping station and rising main.
The proposed WWTP will be designed to treat an ultimate load of 1500 PE. The effluent which will be treated to 25:35:2:5 mg/l BOD/SS/P/Ammonia standard will be discharged to the adjacent Carricknabraher River. The existing WWTP will be decommissioned and a new pumping station constructed with a rising main to the new WWTW location.
Hodson Bay:
Construction of a WWTP at Barrymore, Kiltoom, Athlone
The proposed WWTP will be designed to treat an ultimate load of 3000 PE. The effluent which will be treated to 25:35:2 mg/l BOD/SS/P standard will be discharged to Ballybay, Lough Ree, via an outfall pipeline.
Knockcroghery:
Construction of a WWTP at Creggan, Knockcroghery
Decommissioning of existing WWTP and construction of wastewater pumping station at Srah, Knockcroghery
The proposed WWTP will be designed to treat an ultimate load of 2000 PE. The effluent which will be treated to 5:5:2:1 mg/l BOD/SS/P/Ammonia standard will be discharged to the local stream adjacent to the site.
Loughglynn:
Construction of a WWTP at Loughglinn townland, Loughglynn
Construction of a pumping station in WWTP site to pump effluent to outfall location
Construction of a 3.1 km outfall
The proposed WWTP will be designed to treat an ultimate load of 700 PE. The effluent which will be treated to 25:35:2:5 mg/l BOD/SS/P/Ammonia standard. The effluent will be discharged via a 3.1km outfall to the Anaderryboy River at Driney Bridge.
Strokestown:
Construction of a WWTP at Lisroyne townland, Strokestown. Decommissioning of existing WWTP?
Construction of outfall to Strokestown stream.The proposed WWTP will be designed to treat an ultimate load of 3,200 PE. The effluent which will be treated to 25:35:2:5 mg/l BOD/SS/P/Ammonia standard will be discharged to Strokestown stream.
Cootehall :
Operation and Maintenance over a 20 year period
The WWTP at Cootehall was constructed in 2007 using a standard extended aeration process to treat 940 PE to a Design standard of 25/35/2 mg/l BOD/SS/P. The contract will include the operation and maintenance of this WWTP for 20 years.
Tulsk:
Operation and Maintenance over a 20 year period
The WWTP at Tulsk was constructed in 2007 using a standard extended aeration process to treat 800 PE to a Design standard of 10/10/2 mg/l BOD/SS/P. The contract will include the operation and maintenance of this WWTP for 20 years.
Further information can be obtained at:
Paul Fallon, J.B. Barry & Partners Ltd / White Young Green, Tramway House, 32 Dartry Road, Dublin 6. Telephone: +353(0)14975716. Fax: +353(0)1 4975886. E-Mail: tramway@jbbarry.ie
Tenders or requests to participate must be sent to: Des O?Dwyer, Water Services, Roscommon County Council, Courthouse, Roscommon, Co. Roscommon. Telephone: 090 66 37100. Fax: 090 66 37108. E-Mail: waterservices@roscommoncoco.ie Internet address (URL): http://www.roscommoncoco.ie