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The CITY OF GEHRDEN has issued a Tender notice for the procurement of a Lightning Protection, am Castrum Primary School, Gehrden in the Germany. This Tender notice was published on 29 Apr 2026 and is scheduled to close on 02 Jun 2026, with an estimated Tender value of Refer Document. Interested bidders can access detailed Tender information, eligibility criteria, and complete bidding documents by referencing TOT Ref No. 140337407, while the tender notice number is and Registering on the platform.
Procurement Summary
Country: Germany
Summary: Lightning Protection, am Castrum Primary School, Gehrden
Deadline: 02 Jun 2026
Posting Date: 29 Apr 2026
Other Information
Notice Type: Tender
TOT Ref.No.: 140337407
Document Ref. No.:
Competition: ICB
Financier: Self Financed
Purchaser Ownership: Public
Tender Value: Refer Document
Purchaser's Detail
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Email: Login to see tender_detailsLogin to see details Tender Details a) Public contracting authority (awarding body) Name and address: City of Gehrden Kirchstr. 1-3 30989 Gehrden Telephone: +49 5108-6404-0 Fax: +49 5108-6404-99110 Email: [email protected] Internet: https://www.gehrden.de b) Procurement procedure: Public Tender, VOB/A award number: 30.02-2026/0148 c) Information on the electronic procurement process and the encryption and decryption of the documents Approved submission of offers electronically in text form with an advanced signature/seal with a qualified Signature/Seal d) Type of order Execution of construction work e) Place of execution Am Castrum 10, 30989 Gehrden f) Type and scope of the service, if necessary divided into lots Type of service: Lightning protection work Scope of the service: The building receives a Class III lightning protection system according to VDE 0185-305. The lightning protection class III is classified according to VdS 2010 as a “publicly accessible building with public access”. A foundation earth electrode is provided for the school building, consisting of one Functional potential equalization conductor made of galvanized strip iron 30 x 3.5 mm in the base plates and a ring earth made of V4A round steel under the base plates and connected to each other. Connection flags for down conductors are provided at intervals of approx. 20 m. In All technical rooms on the ground floor are provided with connection lugs for potential equalization. The conductors are made of 8 mm round steel. The connection is routed above the roof. At the base point, the down conductor is connected to the foundation earth, while the Connection to the roof is realized via a connection in the parapet area. The collecting pipes are laid with a mesh size of less than or equal to 15 m. 10 mm thick cables are used as aluminum crimp alloy. All on the rooftop Devices located there, such as ventilation hoods, PV substructures and other devices are included in the grounding measure. Large structures are secured via ground rods. All... Documents
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