Construction in Ticino: stop penalties for extreme heat

Construction site in Ticino during a heatwave

SSIC calls for fair conditions for construction sites during heatwaves, avoiding contractual penalties for delays caused by extreme temperatures.

Context

In a nutshell

  • The SSIC asks for fair framework conditions for construction sites in the event of a heatwave.
  • Extreme heatwaves are not currently compensated.
  • Request for suspension of work without risking contractual penalties.
  • A motion in parliament aims to make climate management mandatory.

Key facts

  • What: Petition by the Swiss Society of Construction Entrepreneurs (SSIC).
  • Objective: Stop contractual penalties for delays due to extreme heat.
  • Situation: Currently heat delays are not compensated.
  • Legislative status: Motion approved by the National Council in December 2024.
  • Developments: The Commission of the Council of States recommends the rejection.

The Swiss Society of Construction Entrepreneurs (SSIC) has launched a petition to demand the introduction of realistic and fair framework conditions in the construction sector, specifically aimed at managing extreme heat waves. The initiative stems from the need to protect the health of the workforce, often exposed to prohibitive temperatures on construction sites in the Canton of Ticino and the rest of Switzerland. According to the SSIC, the current contractual system unfairly penalizes companies, since delays caused by natural weather events, such as heatwave, are not considered valid to obtain compensation or extensions on work deadlines.

The problem raised by entrepreneurs is both economic and operational in nature. Companies are forced to

Operational details

The analysis of the current situation highlights a discrepancy between the protections provided for traditional adverse weather events, such as rain or snow, and those applicable to heatwaves. For a construction company operating in Ticino, meeting deadlines is a fundamental contractual obligation, but the increasing frequency of scorching summers has turned heatwaves into a constant risk factor. Without clear regulations equating extreme heat to force majeure, the risk of having to pay contractual penalties remains a tangible threat.

The implications for personnel, including the numerous cross-border workers in the sector, are significant. Workplace safety is a priority, but the pressure of deadlines often conflicts with necessary breaks or physical load limitations during the hottest hours. Currently, companies that decide to suspend work to protect their employees' health face direct economic damage, as no compensation or automatic contractual exemptions are provided. The SSIC's proposal aims precisely to change this paradigm by introducing clear rules that allow planning construction timelines considering the actual climate.

Possible future scenarios

If the motion is indeed archived, as suggested by the Commission of the Council of States, health management at construction sites will continue to depend mainly on agreements reached between social partners during the roundtables mentioned. For companies, this means that negotiating subcontracting contracts will become even more delicate. It will be increasingly essential to include specific clauses related to extreme heat management directly in supply contracts to prevent the company from bearing alone the economic consequences of work suspensions. Monitoring calculator of lost hours and labor costs will be a key control element for any company wishing to safeguard its budget and workers' health in a climate context that no longer allows relying on historical averages.

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Key points

For construction companies and workers in the construction sector, the situation requires a proactive approach to managing projects. While awaiting a definitive federal regulation that mandates considering extreme heat in planning, it is essential for companies to implement clear internal protocols. The recommended procedure involves, first, a preventive analysis of contractual deadlines in relation to the historically hottest periods of the year. When drafting a new contract, it is advisable to explicitly negotiate flexible conditions, defining temperature thresholds beyond which the parties agree to suspend or reduce work without automatic penalties.

Documenting work interruptions will become even more crucial. Each suspension of work due to heat should be accurately recorded, including official thermometric data from the site. This documentation can be used as evidence in case of disputes over delays, even in the absence of a specific federal law. Communication with the client must be timely and transparent: constantly informing about health risks and measures taken to mitigate heat impact is the best strategy to prevent misunderstandings and contractual disputes.

Concrete actions for companies Companies should also continuously monitor updates from roundtable discussions among social partners, as these forums are where sector operational practices are being defined. Collaboration with industry associations, such as SSIC, remains the main channel for receiving updated guidelines and legal support regarding dispute management. For those involved in cost planning, it is recommended to use financial management tools to simulate the economic impact of potential summer delays, thus allowing the allocation of necessary resources or negotiating prices that consider such uncertainties. For those needing specific advice on managing salary costs and contributions in this scenario, it is possible to consult the calculator official tool to assess the financial impact of working hours and possible suspensions.

Source: swissinfo.ch

Frequently Asked Questions
Why are construction companies asking for a petition on heat?
The SSIC launched the petition because, currently, delays caused by extreme heat are not compensated. Companies risk high contractual penalties despite the fact that the climatic conditions prevent them from proceeding with the work safely for the health of workers.
What is the current status of the motion in parliament?
The motion calling for natural influences (including heat) to be taken into account in the planning of the works was approved by the National Council in December 2024. However, in March 2025, the Committee on Economic Affairs and Taxation of the Council of States recommended that it be rejected, considering it outdated by the measures already initiated in the round tables between the social partners.
What happens if a company stops the construction site because of the heat today?
Currently, if a company decides to suspend work due to extreme heat, it exposes itself to the risk of contractual penalties for delay. Unlike traditional bad weather, extreme heat is not yet formally recognized as a justification for compensation, unless specific agreements have been defined with the client.

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