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Selected projects in which the office has been involved, offering services ranging from small-scale targeted acoustic interventions to comprehensive acoustic studies:
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Sound insulation of offices and a future tasting bistro area against noise generated by the operation of the olive mill | Calculation and design of sound-insulating building elements (floors, walls, suspended ceilings, linings, resilient underlays) aimed at optimizing performance and minimizing airborne and structure borne sound transmission | Prediction and mitigation of flanking transmission paths | Design of junction details between building partitions to prevent sound flanking |
Vibration Control | Calculation and design of vibration isolation systems for machinery supports to reduce the transmission of structure-borne noise and vibrations to the non-production areas and the structural elements of the building.
Project Information:
Client: G. Dafnis & S. Dafnis O.E.
Architect: Panagiotis Papasotiriou (Studio 2Pi Architecture)
Project Status: Design Completed (2025) – Under Construction
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In-situ acoustic measurements | Measurement of reverberation time | Calculation of acoustic parameters (C80, D50, RASTI, etc.) | Evaluation of the existing acoustic conditions
Acoustic Design | Calculation and design of acoustic ceilings and wall finishes | Definition of absorptive and reflective areas to ensure speech intelligibility | Adjustment of reverberation for multipurpose use (small musical performances, presentations, etc.) with or without electro-acoustic reinforcement
Project Information:
Client: Kord Hotels
Architect: Efi Drakopoulou
Project Status: Design Completed (2025) – Under Construction
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Acoustic Design | Calculation of required absorptive, reflective, and diffusive elements | Design of a shaped acoustic ceiling and wall finishes | Adjustment of reverberation for multipurpose use, with emphasis on speech
Sound Insulation of the Hall | Calculation and design of sound-insulating building elements (floors, walls, suspended ceilings, linings) aimed at minimizing airborne and structure-borne sound transmission | Prediction and mitigation of flanking transmission paths | Design of junction details between building partitions to prevent sound flanking
Noise Control | Protection of the hall against noise from building services (plumbing, sewage, HVAC) | Design of anti-vibration supports and sound-insulating claddings for networks and machinery | Construction details for sealing penetration openings | Calculation and design of duct silencers |
Project Information:
Client: “The Actor’s House” Foundation
Architect: Georgia Zoi
Project Status: Design Completed (2025) – Under Construction
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Sound insulation of the two multipurpose halls in the basement of the facility | Calculation and design of sound-insulating building elements (floors, walls, linings) aimed at optimizing performance and minimizing sound transmission between the halls (party wall) and between each hall and the external environment (building envelope) | Calculation of doors and windows specifications | Design of acoustic Sound Locks | Prediction, identification, and mitigation of flanking transmission paths | Design of junction details between building partitions to prevent sound flanking |
Noise Control | Protection of the halls against noise from building services (plumbing, sewage, HVAC) | Design of anti-vibration supports and sound-insulating claddings for networks and machinery | Construction details for sealing penetration openings | Calculation and design of duct silencers |
Project Information:
Client: ARIONA S.A. (Onassis Foundation)
Architect: Domenico Piemonte & Katerina Samsarelou (PISAA)
Project Status: Completed (2025)
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Sound Insulation | Calculation and design of sound-insulating building elements (floors, walls, suspended ceilings, linings, resilient underlays) aimed at optimizing performance and minimizing airborne and structure-borne sound transmission to and from sensitive spaces (home cinema, bedrooms) | Prediction, identification, and mitigation of flanking transmission paths (given the increased sensitivity as a timber construction) | Design of junction details between building partitions to prevent sound flanking |
Noise Control | Protection of sensitive spaces from noise generated by building services | Design of anti-vibration supports and sound-insulating claddings of networks and machinery where required | Construction details for sealing penetration openings | Calculation and design of duct silencers |
Room Acoustics | Acoustic Design of a home cinema environment to optimize sound quality and listening experience |
Project Information:
Client: Private Owner
Architect: K-Studio
Project Status: Design in progress
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Sound Insulation | Calculation and design of sound-insulating building elements | Acoustic design of the building envelope | Specifications for external doors and windows | Calculation and design of floors, walls, and enhancement measures (suspended ceilings, linings, resilient underlays) aimed at minimizing airborne and structure-borne sound transmission between indoor spaces | Prediction, identification, and mitigation of flanking transmission paths | Design of junction details between building partitions to prevent sound flanking |
Noise Control | Protection of indoor spaces against noise from building services (plumbing, sewage, HVAC) | Limitation of noise emission to the surrounding environment | Design of anti-vibration supports and sound-insulating claddings for networks and machinery | Construction details for sealing penetration openings | Calculation and design of special noise reduction measures (sound barriers, duct silencers) |
Room Acoustics | Design of acoustic ceilings and wall finishes | Reverberation control in large-volume spaces with extensive reflective surfaces (living rooms), aiming at speech intelligibility | Control of reverberant noise in high-noise areas (MEP rooms) through absorption treatments
Project Information:
Client: Lamda Development
Architect: K-Studio
Project Status: Design Completed (2025) – Under Construction
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Reverberation Control | In situ acoustic measurements | Analysis of measurement results and assessment of current acoustic conditions | Calculation and design of sound absorbing treatments to keep the reverberation time within acceptable limits, aiming to prevent cocktail-party effect, maintain low ambient noise, and ensure speech intelligibility in the covered atrium |
Sound Insulation & Noise Control applied to spaces intended for music club and radio broadcasting studio | Assessment of sound insulation of existing partitions | Calculation and design of sound-insulating improvement measures such as suspended ceilings, linings, Sound Locks where required | Protection of the radio studio against noise from building services |
Project Information:
Client: ARIONA S.A. (Onassis Foundation)
Architect: Domenico Piemonte & Katerina Samsarelou (PISAA)
Project Status: Studies in progress
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(Manufacturer of plastic products and recycling solutions, operating a modern industrial facility with diverse production processes)
In situ Acoustic Measurements | Measurement of sound emission levels and frequency spectrum during equipment operation | Results analysis and noise assessment |
Sound Insulation | Assessment of the sound insulation performance of existing partition walls | Structural design of new wall assemblies to limit noise transmission from the production area to the offices, ensuring that background noise levels remain within acceptable limits |
Project Information:
Client: Rokizas ABEE
Architect: Panagiotis Papasotiriou (Studio 2Pi Architecture)
Project Status: Completed (2023)
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In situ Acoustic Measurements | Logging of sound pressure levels and noise spectrum from traffic | Analysis of results and derivation of relevant acoustic indices | Assessment of the sound insulation performance of the existing building envelope |
Sound Insulation | Design of measures to enhance the sound insulation performance of the existing building envelope | Calculation and preparation of specifications for new windows and external doors | Calculation and design of noise barrier |
Noise & Vibration Control | Protection of guest rooms against noise from building services | Calculation and design of vibration-isolated supports for external HVAC units | Measures to mitigate noise transmission through ducts | cross-talk |
Project Information:
Client: Triton Act
Project Status: Completed (2023)
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Underwater environmental acoustic assessment | Prediction of noise emissions from vessels and pipe-laying activities along the planned route (Crete, Southern Peloponnese, Patraikos Gulf) | Digital modeling of underwater sound propagation using RAMGEO and BELLHOP/BOUNCE algorithms and calculation of sound levels relative to the distance from noise sources | Assessment of acoustic exposure for marine mammals and fish based on SPL, SEL, and cumulative SEL criteria |
Environmental Impact Assessment | Verification of predicted levels against international TTS and PTS thresholds (NMFS, Southall et al.) | Assessment of potential biological effects and disturbance zones around construction vessels |
Mitigation Design | Specification of precautionary measures, including low-noise vessels, optimized scheduling of works and avoidance of sensitive habitats, to protect dolphins, whales and seals |
Project Information:
Client: ELKE NTUA (on behalf of Asprofos S.A.)
Study carried out at: National Technical University of Athens (NTUA)
Supervising Academic Collaborators: Georgios Campourakis, Assoc. Prof. NTUA & Alexandra Sotiropoulou, Assoc. Prof. NTUA
Project Status: Completed (2022)
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Sound Insulation | Calculation and design of sound-insulating building elements | Acoustic design of the building envelope | Specifications for external doors and windows | Calculation and design of floors and walls, including enhancement measures (suspended ceilings, linings, resilient underlays) aimed at minimizing airborne and structure-borne sound transmission between indoor spaces | Specifications for guestroom entrance doors | Prediction, identification, and mitigation of flanking transmission paths | Design of junction details between building partitions to prevent sound flanking | Sound-insulating design of the horizontal partition between the ground floor (future food & beverage use under separate ownership) and the guestroom areas above |
Noise Control | Protection of indoor spaces against noise from building services (plumbing, sewage, HVAC) | Design of anti-vibration supports and sound-insulating claddings for networks and machinery | Construction details for sealing service penetrations |
Project Information:
Client: N.L. Mastorakos S.A.
Architect: Konstantinos Makris
Project Status: Completed (2023)
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Sound Insulation | Calculation and design of sound-insulating building elements | Acoustic design of the building envelope | Specifications for external doors and windows | Calculation and design of floors and walls, including enhancement measures (suspended ceilings, linings, resilient underlays) aimed at minimizing airborne and structure-borne sound transmission between indoor spaces | Specifications for guestroom entrance doors | Prediction, identification, and mitigation of flanking transmission paths (given the increased sensitivity as a timber construction) | Design of junction details between building partitions to prevent sound flanking |
Noise Control | Protection of indoor spaces against noise from building services (plumbing, sewage, HVAC) | Design of anti-vibration supports and sound-insulating claddings for networks and machinery | Construction details for sealing service penetrations |
Project Information:
Client: E. Loukaitis IKE
Architect: Eve Karachaliou (Eve Key Design)
Project Status: Completed (2022)
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In situ Acoustic Measurements | Measurement of noise level emissions and frequency content at the site boundaries and at sensitive nearby locations (e.g., accommodations) | Analysis of results and assessment of environmental acoustic impact | Verification of emissions against Greek legislation limits | Assessment of potential nuisance using alternative criteria (even when levels are within legal limits) |
Mitigation Design | Design of specialized sound-insulating enclosures and anti-vibration supports and connections aimed at reducing emitted noise to within acceptable limits |
Project Information:
Client: Watera Hellas
Project Status: Completed (2021)
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In-situ acoustic measurements | Measurement of reverberation time and derivation of relevant acoustic indices | Analysis of results and evaluation of the existing acoustic conditions
Acoustic Treatment | Calculation and design of acoustic ceilings and wall finishes aimed at reducing reverberant noise build-up and preventing the 'cocktail party' effect |
(Scope of intervention: lobby, restaurant, playroom, gyms)
Project Information:
Client: G&E Karamolegos SA
Architects: MOY Studio
Project Status: Completed (2021)
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Sound Insulation for the administration offices in the new extension of the hospital | Calculation and design of sound-insulating partitions a) between offices and common areas - corridors, b) between offices | Specification of entrance doors and detailed construction design for optimal acoustic performance | Prediction and mitigation of flanking transmission paths | Design of junction details between building partitions to prevent sound flanking |
Project Information:
Client: Triton Act
Project Status: Completed (2021)
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Sound Insulation | Calculation and design of sound-insulating building elements | Acoustic design of the building envelope | Specifications for external doors and windows | Calculation and design of floors and walls, including enhancement measures (suspended ceilings, linings, resilient underlays) aimed at minimizing airborne and structure-borne sound transmission between indoor spaces | Specifications for guestroom entrance doors | Prediction, identification, and mitigation of flanking transmission paths (given the increased sensitivity as a timber construction) | Design of junction details between building partitions to prevent sound flanking |
Noise Control | Protection of indoor spaces against noise from building services (plumbing, sewage, HVAC) | Design of anti-vibration supports and sound-insulating claddings for networks and machinery | Construction details for sealing service penetrations | Calculation and design of noise barriers for outdoor heat pump units |
Project Information:
Client: Pitsakis Hotels E.E
Architect: Valia Foufa (O2)
Project Status: Completed (2021)
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In situ Acoustic Measurements | Measurement of sound emission levels and frequency content of machinery | Analysis of results and assessment of noise levels |
Sound Insulation | Calculation and design of sound insulating partition walls to minimize noise transmission from the plant room to adjacent spaces |
Project Information:
Client: Triton Act
Project Status: Completed (2021)
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In-situ acoustic measurements | Measurement of reverberation time and derivation of relevant acoustic indices | Analysis of results and evaluation of the existing acoustic conditions
Acoustic Treatment | Calculation and design of acoustic ceiling aimed at reducing reverberant noise build-up and preventing the 'cocktail party' effect |
Project Information:
Client: Astrion AE
Project Status: Completed (2018)
Dr. Eng. Ioannis Karagiannis
6 Gamveta st., 106 78 Athens, Greece
(+030) 2155603830
eng.acoustics@gmail.com