Public procurement notice: Contract Notice
Published: 2021-12-22
Buyer: Aalborg Varme A/S
Country: DK
Contract type: Works
Procedure: Negotiated procedure
CPV classification: 45000000: Construction work | 45223210 | 45251250
Estimated value: 200000000 DKK
Submission deadline: 2022-01-19
Award criteria: The most economic tender

Technical requirements: Aalborg Forsyning is putting out for tender a contract regarding delivery of TTES with a total storage capacity of 200,000 m3. The tender procedure is carried out as a negotiated procedure with prior call for competition according to section 47 of the Utility Directive (2014/25/EU). It is expected that one round of negotiations will be held. See section 3.5 in the Tender Conditions for more about how negotiations will be conducted. Aalborg Forsyning has chosen to divide the contract into two completely identical lots. Each lot contain the delivery of TTES with a storage capacity of 100,000 m3, including an option for an additional tank. The Tenderer can choose to submit tender for one or both lots depending on whether the Tenderer wishes to deliver half the project's capacity (100,000 m3) or deliver the project's full capacity (200,000 m3). See section 1.3 and 3.8.4 in the Tender Conditions for a description of the two lots and an example of how the evaluation will be conducted.
Aalborg Forsyning is planning to phase out coal and all other fossil fuel producing units by the end of year 2028, by implementing a variety of different new heat producing units. A key element for this transition is to increase the heat storage capacity. This tender procedure therefore concerns the award of a contract regarding delivery of tank thermal energy storage (TTES).
The scope of work in this contract include the complete delivery, erection, and commissioning of welded and insulated steel tanks (Tank Thermal Energy Storage’s – TTES) with a total capacity of 100,000 m3 water for district heating, including foundation work. The TTES’ shall be non-pressurized with a maximum design temperature of 98 °C. The contractor’s work shall include all measures and secondary services that are necessary for the full completion of the TTES’. The TTES’ can be performed as 2 x 50,000 m3 steel tanks, 3 x 33,000 m3 steel tanks or 4 x 25,000 m3 steel tanks.
•	Welded steel TTES including bearings and consoles for cladding, stairs, ladders, and platforms etc.
•	Connections needed for instrumentation (Instruments and electrical installations are delivered by Aalborg Forsyning).
Please see the General description and the Technical description for a more detailed description of the Scope of work.
Please see the Tender Conditions, the Construction Contract  and ABT 18 with Aalborg Forsyning’s deviations and additions for more information regarding the commercial terms and conditions.
If more than 5 candidates fulfils the minimum requirements in section III.1.2) and section III.1.3) and is not subject to the grounds for exclusion in section VI.3), Aalborg Forsyning will select and prequalify the 5 most suitable candidates in accordance with the following selection criteria:
The candidates with the most relevant references compared to the project put out for tender, see section II.2.4).
It will be weighted positively if the references shows experience with TTES for district heating water and the tanks have a size that corresponds to the tender description. In the assesment the following will be attached positiv significance in order of priority:
Only references which have been carried out within the past 10 years calculated from the deadline for submission of applications for prequalification will be considered.
Please note that Aalborg Forsyning expects to prequalify 5 Candidates in total for the two lots and not 5 Candidates for each lot. Hence, there will be only one round of prequalification that applies for both lots and the Candidate submits only one application for prequalification which applies to both lots.
The 5 prequalified candidates will subsequently be invited to submit initial tender. An invitation to submit Initial Tender is an invitation to submit Initial Tender for both lots. The prequalified Candidate is then free to submit Tender for one lot if the prequalified Candidate wishes to deliver only half the storage capacity or both lots if the prequalified Candidate wishes to deliver the full storage capacity. See section 2.2 in the Tender Conditions for a detailed description.
It’s mandatory for the Tenderer to submit a tender for an option that entails the right for Aalborg Forsyning to have one additional tank established. The optional additional tank can be performed as 1 x 50,000 m3 steel tank, 1 x 33,000 m3 steel tank or 1 x 25,000 m3 steel tank.
Re. II.2.6): The contract value is expected to be between DKKm 80 - 120 excluding VAT. The expected contract value includes an option for an additional tank.


Award value: 200000000