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Development of construction design, author's supervision and construction works for the development of the wastewater and sludge management system to reduce pollution and increase capacity at Ādaži WWTP.

Closed

Updated October 14, 2026

Submission Deadline Has Passed

This tender's submission deadline has passed and is no longer accepting applications. The information below is kept for reference purposes.

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Deadline
Expired
February 26, 2026
Contract Details
Category
Construction
Reference
164372
Value
€3,200,000
Location
Pieriga, Latvia
Published
January 28, 2026
Organization
CPV Code
Evaluation Criteria
Technical ProposalTechnical
Financial ProposalPrice
Project Timeline

Tender Published

January 28, 2026

Deadline for Questions

February 19, 2026

Submission Deadline

February 26, 2026

Tender Opening

February 26, 2026

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Key facts

Estimated value
€3,200,000
Deadline
Expired
CPV Code
45252100 — Sewage-treatment plant construction work
Procedure
Open procedure
Budget
€3,200,000
Duration
27 months
Location
Pieriga
Type
Construction
77
Quality Score/100
Good
Market Benchmark
Avg. Winning Price
€491,981
Avg. Bids
3.0
Competition
Low
SME Winners
99%
20,606 tenders analyzed

Original Tender Description

Development of construction design, author's supervision and construction works for the development of the wastewater and sludge management system to reduce pollution and increase capacity at Ādaži WWTP.
EU Funded

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65%
Estimated Win ProbabilityModerate Fit

This tender requires a comprehensive solution for wastewater and sludge management, integrating design, author supervision, and construction. Given the lack of specified evaluation criteria, a strong emphasis on demonstrating technical excellence, cost-effectiveness, and adherence to contractual obligations will be paramount. Bidders must leverage their proven track record and detailed technical proposals to secure this contract.

Key Winning Messages

Integrated Expertise: Delivering a seamless, end-to-end solution from design to construction with proven expertise in wastewater and sludge management.

Reliability and Compliance: Ensuring adherence to all contractual obligations, regulatory standards, and project timelines for a robust and compliant system.

Cost-Effective Excellence: Providing a technically sound and efficient solution that offers optimal value for investment.

Key Opportunities
The absence of explicit evaluation criteria presents an opportunity to define perceived value through a superior technical proposal and a well-articulated understanding of the contracting authority's needs.
The integrated nature of the contract (design, supervision, and construction) allows for a single bidder to showcase end-to-end project management capabilities and potential cost efficiencies.
Demonstrating a deep understanding of the specific challenges and goals of Ādažu NAI (Ādaži Wastewater Treatment Plant) in reducing pollution and increasing capacity can differentiate a bid.
Key Challenges
The lack of specified evaluation criteria makes it difficult to precisely tailor the bid to maximize scoring. Bidders must infer the contracting authority's priorities.

Conduct thorough due diligence on the contracting authority (SIA "Ādažu ūdens") and the Ādaži NAI to understand their strategic objectives, past projects, and potential pain points. Focus on demonstrating technical superiority, cost-effectiveness, and a clear understanding of the project's purpose (pollution reduction and capacity increase).

Potential for a highly competitive market, as the CPV code (45252100) covers a broad range of construction work, and the project value is significant.

Develop a compelling technical proposal that highlights unique capabilities, innovative approaches (even if not explicitly requested), and a strong track record. Emphasize cost-efficiency and value for money in the financial proposal. Leverage any existing relationships or positive past performance with similar public sector clients in Latvia.

Ideal Bidder Profile
An experienced engineering and construction firm with a proven track record in wastewater treatment plant development, including design, author supervision, and turnkey construction. The ideal bidder will possess strong project management capabilities, a robust understanding of Latvian environmental regulations, and the financial stability to undertake a project of this scale.
Key Requirements
Meet all mandatory exclusion grounds.
Meet all selection criteria specified in the procurement requirements.
Prepare a technical proposal according to the specifications provided in the procurement requirements.
Prepare a financial proposal according to the specifications provided in the procurement requirements.
Comply with the terms and conditions outlined in the draft procurement contract.
Possess necessary insurance as specified in the draft author supervision contract.
Be capable of providing design services for a wastewater and sludge management system.
Be capable of providing author supervision services for a wastewater and sludge management system.
Be capable of providing construction works for a wastewater and sludge management system.
Key Discriminators
Demonstrated experience in successful completion of similar integrated wastewater and sludge management projects, with specific case studies and references.
A highly detailed and realistic technical proposal that goes beyond minimum requirements, showcasing proactive problem-solving and optimized design solutions.
A clear and compelling project execution plan that addresses potential risks and outlines efficient resource allocation for the 27-month duration.
Strong financial standing and a competitive yet sustainable pricing strategy.
Social Value Opportunities
While not explicitly requested, consider incorporating a commitment to local employment and skills development during the construction phase. This can be presented as an added value and a demonstration of corporate social responsibility, potentially influencing the perception of the bid even without formal scoring.
Bid Focus Areas
Technical Proposal

Develop a comprehensive and detailed technical proposal that clearly outlines the proposed design, construction methodology, and author supervision approach. Emphasize innovation in process efficiency, material selection, and operational sustainability, even if not a formal requirement. Showcase expertise in managing complex wastewater and sludge treatment systems. Include detailed plans for quality control, risk management, and project scheduling. Highlight the integration of design, supervision, and construction to ensure seamless execution.

Financial Proposal

Present a competitive and well-justified financial proposal. Clearly break down costs and demonstrate value for money. Highlight any potential cost savings through efficient design or construction methods. Ensure all pricing is in compliance with the tender requirements and the draft contract. Consider offering flexible payment terms if permissible and strategically advantageous.

Contractual Compliance

Meticulously review and ensure full compliance with all terms and conditions outlined in the draft procurement contract and the tender regulations. Pay close attention to insurance requirements, liability clauses, and dispute resolution mechanisms. A clear demonstration of understanding and willingness to adhere to these terms builds trust.

Recommendations6
Thoroughly Address Exclusion and Selection Criteria
CriticalHigh effort

Scrutinize all mandatory exclusion grounds and eligibility requirements. Ensure all documentation is complete, accurate, and submitted in the correct format to avoid immediate disqualification. Proactively gather all necessary certificates and declarations.

Avoids disqualification.
Infer and Address Unstated Evaluation Priorities
CriticalHigh effort

Since evaluation criteria are not specified, infer the contracting authority's likely priorities based on the project description (pollution reduction, capacity increase) and the nature of the contracting authority (municipal water utility). Focus on demonstrating technical superiority, cost-effectiveness, reliability, and a deep understanding of the project's environmental and operational goals.

Maximizes perceived value and competitive advantage.
Showcase Integrated Project Delivery Expertise
HighMed effort

Highlight the bidder's capability to manage the entire project lifecycle – design, author supervision, and construction – as a single, cohesive unit. Emphasize the benefits of this integrated approach, such as improved coordination, reduced risk, and potential cost and time savings.

Positions the bidder as a comprehensive and efficient solution provider.
Develop a Detailed and Realistic Technical Proposal
HighHigh effort

Go beyond minimum requirements. Provide detailed methodologies for design, construction, and supervision. Include risk assessments, quality assurance plans, and a clear project schedule. Use diagrams, flowcharts, and case studies to illustrate capabilities.

Demonstrates competence and builds confidence.
Proactively Address Contractual Nuances
MediumMed effort

Carefully review the draft contract ('Līguma_projekts'). Identify any potentially onerous clauses, particularly regarding liability, warranties, and payment terms. Seek clarification on any ambiguities during the tender process if permitted. Ensure insurance coverage aligns precisely with contract requirements.

Minimizes future contractual disputes and financial risks.
Consider Voluntary Social Value Commitments
LowLow effort

Although not a formal requirement, consider including a commitment to local employment, training opportunities, or sustainable material sourcing. Frame these as added value and a demonstration of responsible corporate citizenship.

Enhances bidder's reputation and potentially influences perception.
Competitive Positioning
Position the bidder as the most experienced and reliable partner for delivering a complex, integrated wastewater and sludge management system. Emphasize a proven track record of successful project completion in Latvia or similar environments. Highlight cost-effectiveness without compromising quality or compliance. Focus on clear communication and a proactive approach to project management.

Competitors

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Requirements & Qualifications

16 requirements across 5 categories

Submission (2)
Mandatory (1)
Compliance (4)
Technical (6)
Financial (3)
SUBMISSION REQUIREMENTS2
--Submit the proposal by the deadline: 2026-02-26 at 09:00:00.
--Fulfill all submission requirements as detailed in the tender regulations.
MANDATORY EXCLUSION GROUNDS1
--Meet all exclusion criteria specified in the procurement requirements.
ELIGIBILITY REQUIREMENTS4
--Meet all selection criteria specified in the procurement requirements.
--Adhere to all regulations of the open competition tender.
--Comply with the terms and conditions outlined in the draft procurement contract.
TECHNICAL CAPABILITY REQUIREMENTS6
--Be capable of providing design services for a wastewater and sludge management system.
--Be capable of providing author supervision services for a wastewater and sludge management system.
--Be capable of providing construction works for a wastewater and sludge management system.
FINANCIAL REQUIREMENTS3
--Prepare a financial proposal according to the specifications provided in the procurement requirements.
--Adhere to the specified price and payment terms for author supervision services.
--Provide necessary insurance coverage.

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Documents

5 documents available with AI summaries

Iepirkuma priekšmeta prasības, 1.versijaPDF
164372_PD.ANY_1_1_1_20260128051344.pdf -- 96.0 KB

This document contains the procurement requirements, including exclusion and selection criteria, technical and financial proposal specifications, and the evaluation criteria for proposals related to a wastewater and sludge management system development project.

NolikumsDOC
1_pielikums_nolikums.docx -- 127.5 KB

This document contains the regulations for an open competition tender by SIA “Ādažu ūdens” for the development of a construction project, author supervision, and construction works for a wastewater and sludge management system at the Ādaži wastewater treatment plant, including procurement details, subject matter, deadlines, and submission requirements.

Tehniskā specifikācija/tehniskais piedāvājumsDOC
3_pielikums_tehn_specifikaacija.docx -- 38.4 KB

No content extracted

Līguma_projektsPDF
4_pielikums_liiguma_projekts_public_2026_0126... -- 545.0 KB

This document contains a draft procurement contract for the design, author supervision, and construction works related to the development of a wastewater and sludge management system for SIA “Ādažu ūdens”.

Autoruzraudzības līguma projektsDOC
5_pielikums_Autoruzraudziibas_liiguma_projekt... -- 71.4 KB

This document contains a draft contract for author supervision services related to the development of a wastewater and sludge management system at Ādaži NAI, outlining the scope, price, payment terms, duration, insurance, and responsibilities of the parties.

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77
Good

Tender Quality Score

This tender demonstrates good overall quality with clear basic information and compliance with standard procedures, but it has notable concerns regarding document access, explicit detail of evaluation criteria in extracted requirements, and a significant lack of sustainability focus.

Score Breakdown

Legal Compliance85/100

The tender adheres to legal requirements with a clearly defined open procedure, appropriate CPV codes, and a reasonable submission deadline. Its EU-funded nature suggests compliance with broader EU regulations. The 'Restricted document access' flag is a minor concern for transparency.

•Potential transparency issues due to 'Restricted document access' flag
Clarity80/100

The tender description is clear, and performance conditions are well-referenced. While the AI summary for Document 6 indicates that evaluation criteria are present in the tender documents, the AI-extracted requirements themselves do not explicitly detail these criteria, which could lead to minor ambiguity for bidders.

•AI-extracted requirements do not explicitly detail evaluation criteria, despite their presence in tender documents (Document 6 summary)
Completeness80/100

The tender provides all essential basic information, including title, reference, organization, financial details, timeline, and location. Assuming evaluation criteria are fully detailed in Document 6, the tender is largely complete. However, Document 5 having 'No content extracted' is a minor gap, and the lack of explicit detail for evaluation criteria in the AI-extracted requirements is a slight concern.

•Document 5 ('Tehniskā specifikācija/tehniskais piedāvājums') has 'No content extracted'
•AI-extracted requirements do not explicitly detail evaluation criteria, despite their presence in tender documents (Document 6 summary)
Fairness75/100

The tender discloses its estimated value, provides reasonable deadlines, and supports e-procurement, promoting equal access. Assuming evaluation criteria are objective and transparent as per Document 6, this enhances fairness. However, the 'Restricted document access' flag is a significant concern that could hinder equal access to information for all potential bidders.

•'Restricted document access' flag raises concerns about equal access to information
•AI-extracted requirements do not explicitly detail evaluation criteria, despite their presence in tender documents (Document 6 summary)
Practicality75/100

The tender supports electronic submission, which is practical. The contract duration is clearly specified, and financing information (EU Funded) is available. However, the exact contract start date is not explicitly stated, and a direct document URL is not provided in the basic information.

•Contract start date not explicitly specified
•Document URL not explicitly provided in basic information
Data Consistency85/100

Key fields are consistently populated, and there are no reported disputes or suspensions. Dates are logical. The primary inconsistency is the contradiction between the 'E-Procurement' characteristic and the 'No e-submission' automated flag, which is resolved by prioritizing the characteristic and opening place information.

•Contradiction between 'E-Procurement' characteristic and 'No e-submission' automated flag
Sustainability30/100

Despite being EU-funded, the tender is explicitly flagged as 'Not green procurement,' lacking social criteria, and having no innovation focus. This indicates a significant missed opportunity to integrate sustainability principles into the procurement process.

•Explicitly flagged as 'Not green procurement'
•'No social criteria' identified

Strengths

Clear and comprehensive basic information provided
Procedure type is open and clearly defined
Estimated value and contract duration are specified
E-procurement is supported, facilitating bidder access
EU-funded, suggesting adherence to higher standards

Concerns

Restricted document access raises transparency and fairness issues
AI-extracted requirements lack explicit detail on evaluation criteria
Absence of green, social, or innovation criteria in the tender
One tender document ('Tehniskā specifikācija/tehniskais piedāvājums') has no extracted content
Contradictory information regarding e-submission in automated checks

Recommendations

1. Ensure all tender documents are fully and easily accessible to all potential bidders to enhance fairness and transparency.
2. Explicitly detail all evaluation criteria within the main tender documents and ensure they are clearly summarized in any extracted requirements.
3. Integrate specific green, social, and innovation procurement criteria to align with modern public procurement best practices, especially for an EU-funded project.

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