Tender for Sewage Pump Maintenance Services by Vilnius Water Utility, Lithuania

I. Basic Points

Tender type: Service tender

Project name: Sewage Pump Maintenance Services

Procurement method: Open tender

CPV code: 50511000 (Repair and maintenance services of pumps)

II. Service Information

Service type: Repair and maintenance services

Scope of Services (Covered pump types):

Submersible pumps: Maintenance of various types of submersible pumps widely used in the sewage system, including different models and power ratings from mainstream brands such as KSB (Germany), Flygt (Sweden), Grundfos (Denmark), etc.

Dry-installed sewage pumps: Maintenance of dry-installed sewage pumps in pump houses, including horizontal and vertical pumps.

Mixers and agitators: Maintenance of submersible mixers in pump sumps to prevent solid sedimentation.

Associated motors and control cabinets: Fault diagnosis and repair of motors, frequency converters, soft starters, and local control cabinets associated with the pumps.

Service details:

Routine maintenance:

Regular inspection of pump vibration, noise, and temperature.

Inspection and replacement of seals to prevent sewage leakage.

Inspection of impeller wear and clearing of entanglements.

Inspection and replacement of gearbox lubricating oil.

Fault diagnosis and troubleshooting:

On-site diagnosis of sudden failures, providing 24-hour emergency repair services.

Identification and repair of electrical faults (e.g., insulation degradation, phase loss, overload).

Component replacement and repair:

Replacement of worn impellers, pump casings, bearings, shaft sleeves.

Replacement of damaged cables, float switches, level sensors.

Dynamic balancing correction of pump bodies.

Overhaul and refurbishment:

Complete disassembly, cleaning, and inspection of sewage pumps that have reached their overhaul cycle in terms of operating hours.

Replacement of all wear parts and aged components, restoring pump unit performance to factory standards.

Performance testing after refurbishment, submission of test reports.

Contractor responsibilities and requirements:

Rapid response: Establish a 24-hour emergency response mechanism to ensure arrival at the site within the stipulated time (e.g., 4 hours) after receiving a repair request, minimizing pump station downtime.

Spare parts supply: Responsible for inventory and supply of common wear parts (e.g., mechanical seals, bearings, impellers) to ensure timely repairs.

Repair reports: Submit detailed repair reports after each service, including fault cause analysis, repair measures, list of replaced parts, and recommendations (e.g., further inspection needs).

Quality standards: All repair work must comply with the technical specifications of the pump equipment manufacturers and the quality requirements of Vilnius Water Utility.

Safety and environmental protection: Waste generated during maintenance (e.g., waste oil, used seals, waste packaging) must be collected, stored, and disposed of by qualified units in accordance with environmental regulations. Maintenance personnel must comply with safety operating procedures within the pump stations.

Service period: 25 months

Renewal: Maximum of 1 renewal, option specified in the procurement documents

III. Implementation Conditions

Implementation period: 25 months

Place of performance: Vilnius County, Lithuania

IV. Contract Information

Contract duration: 25 months

Renewal option: Specified in the procurement documents

Payment method: Specified in the procurement documents

Conditions for contract execution: Specified in the procurement documents

V. Tender Requirements

Tender language: Lithuanian

Tender submission method: Electronic submission

Submission address: https://viesiejipirkimai.lt/eps/cft/viewTenders.do?resourceId=6986365

Deadline for receipt of tenders: 22 April 2026, 13:00 (UTC+02:00)

Tender validity period: 4 months

Tender opening date and time: 22 April 2026, 13:30 (UTC+02:00)

Tender opening place: Online platform

Selection criteria: Specified in the procurement documents

VI. Timeline

Date of dispatch of the notice: 19 March 2026 (OJ publication)

Deadline for receipt of tenders: 22 April 2026, 13:00

Tender opening date and time: 22 April 2026, 13:30

VII. Other Information

Green procurement criteria: National green public procurement criteria

Covered by GPA: Yes