With the present tender we write the turnkey creation of a

Solar folding roof on the grounds of the sewage treatment plant Lehre of the Wasserverband Weddel-Lehre

Out.

The service described in the SOW is defined in the name and

for the account of the Wasserverband Weddel-Lehre.

Within the framework of the above-mentioned procedure, suitable

Utilities can be found.

If you wish to participate in the procedure, please submit in this 1st stage

the completed and signed application form together with

signed and fully completed self-declaration for compliance with the

Sanctions rules.

An application is only possible with the attached, formalized application documents =

Application form possible. Only those who have completed the specified qualifications will be admitted to the selection procedure (2nd stage).

has completed application documents and submitted them on time.

In May 2022, the WWL decided to install a

Solar folding roof for self-production of electricity. In the course of these considerations, a

Preliminary planning developed. This forms the basis for decision-making for further

Projektvorgehen.

The following points were clarified:

- Technical feasibility

In the preliminary planning, the foundations for an ideal utilization concept with the

Solar folding roof, which is adapted to the building fabric and to the operating conditions of the

Wastewater treatment plant. The static & electrotechnical feasibility of the

variants considered.

- Preliminary clarification of eligibility for approval

The eligibility for approval was determined at federal, state, district and municipal level.

clarified.

In the final version, 3x10 lanes of 36 modules each span the whole

Aeration tank 1 and approx. 2/3 of the aeration tank of the sewage treatment plant. Overall,

1,080 modules or an installable output of approx. 465 kWp are installed here.

The preliminary planning, assessment of statics and execution (layout) and detailed listing

as well as the scope of the individual works, the bidders will then be informed in the 2nd stage

Provided.