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AwardedWorksOpen

Construction of Waterharmonica Phase 1

Hoogheemraadschap van Delfland · Open · 1 lots · 372924
Type
Works
45112000
Estimated value
Not published
To deadline
Ongoing
Knock-outs
n/a
exclusion grounds
Award basis
Best price-quality ratio
2 criteria
Assess manuallyconfidence high

Construction of Waterharmonica Phase 1 in Vlaardingen, consisting of excavation works and earthmoving in vulnerable nature reserves. The award will take place based on price and a plan of approach for controlled execution.

Works · Open · National procedure

Complete timeline
Contracting authority
Hoogheemraadschap van Delfland
Contract type
Works
Open
Estimated value
Estimate not published
Submission deadline
Ongoing
12:00
Scope
National
National procedure
Lots
1
1 lots
Main CPV code
45112000
Location
Netherlands
CharacteristicsCPV 45Works

01What is being requested

The assignment concerns the construction of Waterharmonica Phase 1 in the municipality of Vlaardingen, consisting of works in the areas RMPO, RMSP and RM 1-2. The works include excavation works and earthmoving within a nature reserve.

Construction of Waterharmonica Phase 1 (implementation start 2025)։​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​

45112000Works
1Construction of Waterharmonica Phase 1—

02Outcome

Awarded

KWS Infra B.V.

Bidders
3

03Strategic insight

“
Strategic insight · AI analysis
During the qualitative assessment, focus on a very detailed plan of approach regarding the specific risks in the nature reserve. Ensure that the planning aligns seamlessly with the aforementioned works of the other contractor. Strictly observe the form requirements for page limits to prevent exclusion.
Read automatically from the tender documents using AI. Always verify against the original documents.

04Points of attention

Important · 8
Account must be taken of the protection of flora and fauna.Important
Working in a marshy area requires careful handling of the soil.Important
Excavation works at RMPO require archaeological supervision.Important
There is uncertainty regarding the earth balance and flexibility is desired.Important
There is an interface with works of another contractor at the Hoekse Lijn.Important
The plan of approach may contain a maximum of three A4 pages.Important
The planning may cover a maximum of one A3 page.Important
Deviations from the tender form may lead to invalidity.Important

05Award criteria

Quality - Award Criterion 1: Plan of approach-controlled execution20

Assessment of a plan of approach (max. 3 A4) and a planning (max. 1 A3) aimed at mitigating risks such as flora and fauna, soil conditions, archaeology, earth balance and the interface with the GFT-boring.

Tender price80

The total price to be obtained on the tender form, whereby all parts of the tender schedule must be completed with amounts.

06Process & timeline

Requests for additional information
08/05/2025 10:00 +02:00
Deadline for receipt of tenders
16/06/2025 12:00 +02:00
Opening date
16/06/2025 13:00 +02:00
Start date of implementation
04/08/2025
End date duration
31/05/2027

07Value in context

Estimate not published

The contracting authority did not publish an estimated value — common for a large share of contracts. The EU threshold for werken is € 5,54 M, for reference.

08Bidders in this segment

#Likely bidderFitWins
1KWS Infra B.V.SME10092×
2Boskalis Nederland B.V.SME8969×
3BAM Infra B.V.SME8577×
4Heijmans Infra B.V.SME8465×
5Dura Vermeer Infra Regionale Projecten BVSME8458×
6Ploegam B.V.SME8022×

09Tender documents

TN518523 - EF29 Aankondiging gegunde opdracht - algemene richtlijn, standaardregeling 20250801132243pdfAug 1, 2025 · 13 KB
NvI-3 Realiseren Waterharmonica fase 1zipJun 12, 2025 · 595 KB
TN518523 - EF16 Aankondiging van een opdracht - algemene richtlijn, standaardregeling 20250611134548pdfJun 11, 2025 · 13 KB
06 Bijlagen gewijzigd- 04 Ecologie_NvI-2 Aanleg WaterharmonicazipMay 30, 2025 · 12487 KB
Aanleg Waterharmonica NVI-2_20250514zipMay 22, 2025 · 39712 KB
NVI-1 Aanleg Waterharmonica fase 1zipApr 24, 2025 · 3055 KB
V2751-5482B_PvE_AB_Waterharmonica_Vlaardingen_Concept_V1.0_20250331_avgpdfApr 8, 2025 · 2093 KB
uea_518523_20250327134356pdfMar 31, 2025 · 1309 KB
TN518523 - EF16 Aankondiging van een opdracht - algemene richtlijn, standaardregeling 20250331151619pdfMar 31, 2025 · 12 KB
Leidraad en Bijlagen Waterharmonica fase 1zipMar 31, 2025 · 254480 KB

10Frequently asked questions

When does the implementation of this project start?
The start of implementation for the Construction of Waterharmonica Phase 1 is planned for the year 2025.
What is the nature of the works within this project?
The assignment concerns the execution of works, where the classification is specifically focused on excavation works and earthmoving, as well as landscape design for green zones.
What are the geographical boundaries of the project area?
The project area is located north of the Maassluissedijk, east of the A24 (Blankenburgverbinding) and west of the Volksbos. The area extends to the Krabbeplas in the north and is intersected by the Hoekse Lijn.

Automatically compiled from the official tender data and documents.

11Estimated value versus the market

p25
€ 1,4 mln
median
€ 3,6 mln
p75
€ 9,1 mln
deze opdracht

Gegunde waarden in CPV 45 · werken n=3159