Purpose

Poor indoor air quality in schools is a worldwide challenge that poses health risks to pupils and teachers. A possible response to this problem is to modify ventilation. Therefore, the purpose of this paper is to pilot a process of generating alternatives for ventilation redesign, in an early project phase, for a school to be refurbished. Here, severe problems in indoor air quality have been found in the school.

Design/methodology/approach

Ventilation redesign is investigated in a case study of a school, in which four alternative ventilation strategies are generated and evaluated. The analysis is mainly based on the data gathered from project meetings, site visits and the documents provided by ventilation and condition assessment consultants.

Findings

Four potential strategies to redesign ventilation in the case school are provided for decision-making in refurbishment in the early project phase. Moreover, the research presents several features to be considered when planning the ventilation strategy of an existing school, including the risk of alterations in air pressure through structures; the target number of pupils in classrooms; implementing and operating costs; and the size of the space that ventilation equipment requires.

Research limitations/implications

As this study focusses on the early project phase, it provides viewpoints to assist decision-making, but the final decision requires still more accurate calculations and simulations.

Originality/value

This study demonstrates the decision-making process of ventilation redesign of a school with indoor air problems and provides a set of features to be considered. Hence, it may be beneficial for building owners and municipal authorities who are engaged in planning a refurbishment of an existing building.

中文翻译：

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评估一所观察到室内空气问题的学校的通风策略

目的

学校室内空气质量差是一项全球性挑战，对学生和教师的健康构成威胁。对这个问题的一个可能的反应是改变通风。因此，本文的目的是在早期项目阶段为一所要翻新的学校试行一个为通风重新设计生成替代方案的过程。在这里，学校发现了严重的室内空气质量问题。

设计/方法/方法

在一个学校的案例研究中对通风重新设计进行了调查，其中产生并评估了四种替代通风策略。分析主要基于从项目会议、实地考察收集的数据以及通风和状况评估顾问提供的文件。

发现

为项目早期阶段的翻新决策提供了四种重新设计案例学校通风的潜在策略。此外，该研究提出了在规划现有学校的通风策略时需要考虑的几个特征，包括通过结构改变气压的风险；教室中的目标学生人数；实施和运营成本；以及通风设备所需的空间大小。

研究限制/影响

由于本研究侧重于项目早期阶段，它提供了辅助决策的观点，但最终决策仍需要更准确的计算和模拟。

原创性/价值

本研究展示了对有室内空气问题的学校进行通风重新设计的决策过程，并提供了一组需要考虑的特征。因此，这对于参与规划现有建筑物的翻新的建筑物所有者和市政当局可能是有益的。