# Public tenders Canonical results: https://zephior.com/tenders?categories=school-heating 1 matching notices. Page 1. Filter semantics: OR within a filter, AND across filters and text search. Omitted statuses use active defaults; [] includes all statuses. --- title: "Heating installation at Lessing Gymnasium in Braunschweig" canonical: "https://zephior.com/tenders/58aa8620-ebb1-4e83-b444-16ac0fcece6e/heating-installation-at-lessing-gymnasium-in-braunschweig" last-updated: 2026-10-14T01:58:27.942619+00:00 --- # Heating installation at Lessing Gymnasium in Braunschweig Stadt Braunschweig is procuring heating works at Lessing Gymnasium. The one-lot scope includes a 55 kW air-to-water heat pump, a 1,000-litre buffer tank, welded pipework, pumps, manifolds and about 3,200 m² of underfloor heating. Bidders must provide tax and social-insurance compliance declarations, turnover and comparable-work information, and evidence of technical capacity. Price accounts for 100% of the award score. The works are scheduled from 19 April 2027 to 25 April 2028. Offers are due 2 November 2026 at 08:00 CET (07:00 UTC). No estimated value is stated. - Status: open - Country: DE - Buyer: Stadt Braunschweig Fachbereich Bauordnung und Zentrale Vergabestelle - Submission deadline: 2026-11-02T07:00:00+00:00 (instant) - Original notice: https://oeffentlichevergabe.de/ui/de/notices/c9e67ea2-56a6-4533-8ea1-517dbb3c23af - Source checked: 2026-10-14T01:46:46.635749Z ## Source-backed public facts ```json { "id": "58aa8620-ebb1-4e83-b444-16ac0fcece6e", "revision": 1, "modifiedAt": "2026-10-14T01:58:27.942619+00:00", "sourceCheckedAt": "2026-10-14T01:46:46.635749Z", "stale": false, "url": "https://zephior.com/tenders/58aa8620-ebb1-4e83-b444-16ac0fcece6e/heating-installation-at-lessing-gymnasium-in-braunschweig", "locale": "en", "title": "Heating installation at Lessing Gymnasium in Braunschweig", "summary": "Stadt Braunschweig is procuring heating works at Lessing Gymnasium. The one-lot scope includes a 55 kW air-to-water heat pump, a 1,000-litre buffer tank, welded pipework, pumps, manifolds and about 3,200 m² of underfloor heating. Bidders must provide tax and social-insurance compliance declarations, turnover and comparable-work information, and evidence of technical capacity. Price accounts for 100% of the award score. The works are scheduled from 19 April 2027 to 25 April 2028. Offers are due 2 November 2026 at 08:00 CET (07:00 UTC). No estimated value is stated.", "status": "open", "recordedStatus": "open", "sourceStatus": "open", "country": "DE", "buyer": { "id": "stadt-braunschweig", "name": "Stadt Braunschweig Fachbereich Bauordnung und Zentrale Vergabestelle" }, "category": { "de": "Heizungsanlage für ein Gymnasium", "en": "School heating installation", "fr": "Installation de chauffage dans un lycée", "id": "school-heating" }, "deadline": { "at": "2026-11-02T07:00:00+00:00", "date": null, "sourceRef": "canonical_snapshot", "collectorValue": "2026-11-02T07:00:00+00:00", "precision": "instant", "displayTimeZone": "visitor browser time zone for exact timestamps; date-only deadlines retain their calendar date", "semantics": "at or date is the reviewed deadline from the cited source. collectorValue is what the collector parsed; it can show a date-only deadline as local midnight, so prefer at or date when they differ." }, "originalSource": { "url": "https://oeffentlichevergabe.de/ui/de/notices/c9e67ea2-56a6-4533-8ea1-517dbb3c23af", "title": "Lessinggym (Heizung)-UW", "issuer": "Stadt Braunschweig Fachbereich Bauordnung und Zentrale Vergabestelle", "status": "open", "language": "de", "location": "DE911, DEU", "deadline_at": "2026-11-02T07:00:00+00:00", "description": "Heizung", "country_code": "DE", "published_at": "2026-10-05T13:25:00+00:00", "contract_type": "works", "deadline_date": null, "procedure_type": "open", "reference_numbers": [ "ocds-mnwr74-418f7c56-05be-4b28-87cb-20dc59639751" ], "classification_codes": [ { "code": "45331100", "system": "CPV", "provenance": "source_declared" } ] }, "sourceName": "Official German procurement notice API", "sources": [ { "ref": "canonical_snapshot", "url": "https://oeffentlichevergabe.de/ui/de/notices/c9e67ea2-56a6-4533-8ea1-517dbb3c23af", "kind": "canonical_snapshot", "retrieved_at": "2026-10-14T01:43:46.808343Z" }, { "ref": "official_notice_api", "url": "https://www.oeffentlichevergabe.de/api/notices/c9e67ea2-56a6-4533-8ea1-517dbb3c23af?format=domain", "kind": "official_notice_api", "retrieved_at": "2026-10-14T01:46:46.635749Z" } ], "content": { "title": "Heating installation at Lessing Gymnasium in Braunschweig", "summary": "Stadt Braunschweig is procuring heating works at Lessing Gymnasium. The one-lot scope includes a 55 kW air-to-water heat pump, a 1,000-litre buffer tank, welded pipework, pumps, manifolds and about 3,200 m² of underfloor heating. Bidders must provide tax and social-insurance compliance declarations, turnover and comparable-work information, and evidence of technical capacity. Price accounts for 100% of the award score. The works are scheduled from 19 April 2027 to 25 April 2028. Offers are due 2 November 2026 at 08:00 CET (07:00 UTC). No estimated value is stated.", "key_facts": [ { "label": "Offer deadline", "value": "2 November 2026, 08:00 CET (07:00 UTC)", "source_ref": "official_notice_api#/deadline" }, { "label": "Equipment", "value": "55 kW heat pump; approximately 3,200 m² underfloor heating", "source_ref": "official_notice_api#/lots/LOT-0001/purpose/description" }, { "label": "Contract period", "value": "19 April 2027 to 25 April 2028", "source_ref": "official_notice_api#/lots/LOT-0001/duration" }, { "label": "Award method", "value": "Price, 100%", "source_ref": "official_notice_api#/lots/LOT-0001/awardCriteria" } ], "notice_analysis": { "scope": "Heating installation at Lessing Gymnasium with a 55 kW air-to-water heat pump, pipework, pumps, manifolds and underfloor heating.", "missing_information": [ "Estimated contract value is not stated." ], "participation_requirements": [ "Bidders must declare tax and social-insurance compliance, membership in the relevant occupational association and no pending insolvency. Businesses not previously working for Braunschweig must provide turnover data for the last three fiscal years, comparable works from the last three years, and qualification evidence or prequalification/EFB 124." ] } }, "facts": { "lots": [ { "id": "LOT-0001", "title": "Lessinggym (Heizung)-UW", "source_ref": "official_notice_api#/lots/LOT-0001", "description": "1 Stck. Luft-/Wasser-Wärmepumpe 55 kW, Schalldämmgehäuse, 1.000-l-Pufferspeicher, ca. 1.228 m geschweißte Rohrleitungen DN 15–65, 28 Absperrarmaturen, 2 gesteuerte Umwälzpumpen, ca. 3.200 m² Fußbodenheizung, 24 UP-Verteilerstationen und Heizungsverteiler." } ], "schedule": [ { "event": "Offer submission deadline", "value": "2026-11-02T08:00:00+01:00", "source_ref": "official_notice_api#/deadline" } ], "requirements": [ { "text": "Bidders must declare tax and social-insurance compliance, membership in the relevant occupational association and no pending insolvency. For businesses not previously working for Braunschweig, provide turnover data for the last three fiscal years, comparable works from the last three years, and qualification evidence or prequalification/EFB 124.", "source_ref": "official_notice_api#/selectionCriteria" } ], "award_criteria": [ { "text": "Price, 100%.", "source_ref": "official_notice_api#/awardCriteria" } ], "estimated_value": null }, "award": null, "contractPeriod": "19 April 2027 to 25 April 2028", "noticeText": { "text": "{\n \"publicationDate\": \"2026-10-07T02:08:15.289838Z\",\n \"originalNoticeIdentifier\": \"418f7c56-05be-4b28-87cb-20dc59639751\",\n \"tedPublication\": {\n \"submittedAt\": \"2026-10-05T15:36:05.247205+02:00\",\n \"publicationDate\": \"2026-10-07+02:00\",\n \"publicationId\": \"691079-2026\"\n },\n \"organisationRoles\": {\n \"ORG-0001\": {},\n \"ORG-0002\": {}\n },\n \"issueDateTime\": \"2026-10-05T15:25:00+02:00\",\n \"procedureIdentifier\": \"418f7c56-05be-4b28-87cb-20dc59639751\",\n \"noticeIdentifier\": \"c9e67ea2-56a6-4533-8ea1-517dbb3c23af\",\n \"noticeVersion\": \"01\",\n \"noticePreferredPublicationDate\": \"2026-10-05+02:00\",\n \"procedureLegalBasis\": {\n \"value\": \"32014L0024\"\n },\n \"noticeType\": {\n \"value\": \"cn-standard\"\n },\n \"noticeSubType\": {\n \"value\": \"16\"\n },\n \"noticeOfficialLanguages\": [\n {\n \"value\": \"DEU\"\n }\n ],\n \"organisation\": [\n {\n \"organisationName\": \"Stadt Braunschweig Fachbereich Bauordnung und Zentrale Vergabestelle\",\n \"address\": {\n \"street\": \"Wendenring 1\",\n \"city\": \"Braunschweig\",\n \"postCode\": \"38114\",\n \"countrySubdivision\": {\n \"value\": \"DE911\"\n },\n \"countryCode\": {\n \"value\": \"DEU\"\n }\n },\n \"organisationContactInternetAddress\": \"https://www.deutsche-evergabe.de\"\n },\n {\n \"organisationName\": \"Nds. 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