Tender for Environmental Remediation Works by the Latvian State Environmental Service

I. Basic Information

Tender Type: Service Tender and Works Tender

Project Name: Remediation of Historically Polluted Areas

CPV Codes: 90722000 (Environmental rehabilitation); 90741000 (Environmental issues related to oil pollution); 90740000 (Services related to the tracking, monitoring and remediation of pollutants); 45111000 (Demolition, site preparation and clearance work)

Project Description: Environmental remediation and management of designated historically polluted areas.

Place of Performance: Dzelzceļa iela 10, Aizkraukle, Latvia

Performance Period: 38 months

Estimated Value: €10,080,880.00 (excluding VAT)

II. Technical Requirements

Technical Scope: Includes petroleum pollution control, pollutant monitoring, site clearance and demolition, and the implementation and maintenance of technical solutions for mitigating pollutant migration.

Quality and Warranty: Bidders must provide a warranty period for the remediation works, with graded scoring based on the warranty duration (from 5 years to 9 years and above).

Personnel Requirements: Bidders must designate key personnel including a Project Manager, Chemist/Process Expert, Hydrogeologist, Petroleum Recovery Expert, Thermal Conduction Heating (TCH) Technology Expert, Ex-situ Soil Remediation Expert, Surfactant Injection Expert, etc., and provide proof of their professional experience over the past 10 years.

III. Tender Requirements

Tender Language: Latvian

Tender Submission Method: Electronic submission

Tender Security: A tender guarantee issued by a credit institution or insurance company is required.

Tender Validity Period: 6 months

Qualification Assessment: Prequalification will be conducted using the European Single Procurement Document (ESPD).

IV. Evaluation Criteria

Evaluation Method: Most Economically Advantageous Tender (MEAT) based on a scoring system.

Scoring Weights:

Price Score (F1): Based on financial offer and the lowest price principle.

Efficiency Score (F2): Based on the operation and maintenance costs (lifecycle costs) of the pollutant migration mitigation technology.

Quality Score (S1): Based on the warranty period for the works.

Expert Team Experience Scores (P1-P7): Based on the professional qualifications and past project experience of the 7 key personnel categories.

V. Key Dates

Deadline for Receiving Tender Documents: 28 April 2026

Deadline for Submitting Tenders: 28 April 2026, 10:00 (UTC+02:00)

Opening of Tenders: 28 April 2026, 14:00 (UTC+02:00)

Deadline for Lodging Appeals: 21 April 2026