MONA Pharos – Mechanical System Assessment
Mechanical Engineering
The Pharos extension to MONA in Hobart was commissioned is 2018, however staff raised ongoing concerns about the performance of the mechanical services systems.
EPES was engaged by MONA to undertake an assessment of the mechanical services design and installation with a view to identifying and providing recommendations for rectification of the identified issues. Our scope included assessing:
1. Air distribution and air flows
2. Building envelope issues and impact to space conditions
3. Building management system
4. Chilled and heating water systems and configurations
5. Commissioning records and processes
6. Exhaust systems
Project Information
Location: Hobart, Tasmania, Australia
Client: Museum of Old and New Art, MONA
Engagement: Engineering Consultant
Sectors: Buildings
Services: Building Services, Commissioning Assistance, Construction and Design Consulting, Independent Reviews and Audits
Year: 2018
EPES subsequently provided set of recommendations with technical details for the rectification of the identified issues.
The Problem
EPES reviewed in detail the issues identified and the performance of mechanical and air handling systems within the spaces. The objective of the review was to identify practical rectification works which could be undertaken with minimal impact to the existing facility.
Analysis and Implementation
Ventilation air quantity calculations were performed based on a required air change rate for the space volume and process. Ventilation equipment and ductwork was designed to maximise pick up and minimise additional noise whilst moving the additional quantity of ventilation air. Intake air was positioned to ensure clean air was drawn into the building.
Outcome
EPES provided recommendations such as rectification of installation defects, pipework modifications to chilled and heating water circuits, and addressing building related issues such as sealing of plenums and culverts. Rectification works needed to be undertaken retrospectively with the building operational.
It is preferred to ensure that design and construction is controlled in such a way that performance related issues are either avoided or addressed during the commissioning stages. This relies on using experienced engineers throughout the process.
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