Ausbau Fernwärme Mariabergstrasse und Unterquerung SBB

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Location: Canton SG
Procuring office: Stadt Rorschach
Requesting office: Technische Betriebe Rorschach

Go to the official tender

Awarded

According to the simap publication. Values that are not given are deliberately missing here.

Awarded to

As published on simap.ch: winner and price (with or without VAT, as stated).

Award of 21.04.20262 bids
- Alder-Zani AG, Gossau SGCHF 516’384.50 incl. VAT

Awards of this contracting authority

AI summary

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In brief
Services
Requirements
Conditions
Dates
Award criteria

An example of the structure without content: no summary is stored for this tender yet.

What is being procured?

Scope of work

Die Ausschreibung umfasst sämtliche Tief- und Strassenbauarbeiten für das vorliegende Bauvorhaben der technischen Betriebe.

Mit dem vorliegenden Projekt werden die Liegenschaften an der Mariabergstrasse an das Fernwärmenetz angeschlossen.

Ausserdem werden die Anergieleitungen von der Zentrale Stadthof in die Schulstrasse verlegt. Dazu muss die dazwischen liegende SBB Bahnlinie unterquert werden.

Dabei wird auch eine neue Wasser Hydrantenleitung erstellt.

Etappierung und Umfang der Tief-und Strassenbauarbeiten sind den Projekt- und Bauphasenplänen zu entnehmen.

Kubaturen

Aushub: 1000m3

Hauptgrabenlänge: 230m

Start und Zielgrube für Pressvortrieb

Neuer Belag: 270t

Key facts, codes and options

Type of contract: Construction and installation
Type of construction: Civil engineering
Construction service: Execution
Procedure: Open procedure
Trades: NPK 111 – Daywork
NPK 113 – Site establishment
NPK 117 – Demolition and dismantling
NPK 151 – Construction works for utility mains
NPK 161 – Dewatering
NPK 162 – Basement retaining structures and strutting
NPK 211 – Excavation and earthworks
NPK 222 – Segmental (sett, block and flag) paving, kerbing and steps
NPK 223 – Asphalt and concrete pavements
NPK 237 – Drainage and sewer systems
CPV: CPV 45000000 – Construction workCPV general: general code without a field
CPV 45231000 – Construction work for pipelines, communication and power lines
Options: Not evident from the available publication data.
Variants: Not evident from the available publication data.
Partial offers: Not evident from the available publication data.

TEXFY assessment: Products, installations, quantities, technical specifications and exclusions are not structured fields of the publication. TEXFY does not analyse the free text on them: check the original text and the tender documents.

Market data for this service

From awards published on simap.ch, without rankings and without rating companies.

Comparable awards

District heating, canton of St. Gallen, last 12 months

27 awards, bids (median): 5.

Awards: District heating

Range of award prices

District heating, canton of St. Gallen, last 12 months

CHF 247’15210 % of the prices were lower

CHF 714’477Median: half were lower

CHF 3’810’83110 % of the prices were higher

8 out of 10 award prices were between CHF 247’152 and CHF 3’810’831.

From 24 published award prices in CHF from 10.11.2025 to 02.11.2026, with or without VAT, as published. A single contract can differ widely.

Official source

Go to the official tender

simap project number: 32311
Publication number: 32311-02
Covered by international agreements: No
TED (EU): Publication on ted.europa.eu (opens in a new tab)

Checked against simap: 10.11.2026, 18:02

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More in the guide

Award, reasons and appeal

Contract awards in St. Gallen: monthly reports

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