Healthcare Design - December 2016 - 29

HALKIN MAS ON PHOTOGRAPHY

low NRC and CAC values, so architects often need
to determine which sound-reducing values are
the priority for a given space. For example, glass
fiber panels offer lower CAC values with high
NRC values, so these products are useful in waiting areas, corridors, and other public spaces such
as cafeterias where CAC ratings aren't particularly important, Larsen says. Glass fiber panels
are an option to improve the acoustic work environment for staff stationed near noise-producing
equipment such as robotic pharmacy equipment,
she adds. However, for patient rooms and other spaces that should be treated with greater
sensitivity to mechanical noises from plenum
spaces, mineral fiber panels with low NRC ratings and higher CAC ratings are appropriate.
M I T I G AT I N G M E C H A N I C A L N O I S E

In addition to materials solutions, mechanical noise can be addressed by first
referencing mechanical equipment manufacturers' sound values. "These values provide an indication of how sound from the equipment will be perceived
by humans and are compared to typical data for acceptable sound levels for
spaces where the equipment is being considered for application," Simbari says.
Furthermore, maximum sound levels for spaces are listed in ASHRAE

Sound-absorptive ceilings
panels were used in the
NICU and family spaces
at Golisano Children's
Hospital.

standards and Facility Guidelines Institute's
Guidelines for Design and Construction of Health
Care Facilities. With this information, engineers
are equipped to design and size the equipment,
and ensure that the specified equipment doesn't
exceed maximum sound levels.
For example, Davenny says that noise created
by turbulent airflow emanating from air ducts,
particularly in patient spaces, can be reduced
by enlarging the ducts and sizing them for lower
friction rates. This approach also allows owners
to capitalize on reducing both energy consumption and the required fan capacity. Additionally,
"fan noise from the air handling equipment can
be reduced with fan selection and duct silencers, and structure-borne noise from equipment
vibration can be reduced by mounting vibrating
equipment on spring isolators made with coiled
metal rods or elastomer isolators made of rubber or neoprene," he adds.
Simbari recommends ensuring that all penetrations-telephone and computer cables, electrical
conduits, plumbing piping, sprinkler piping,
electrical outlets and switches, and medical gas

DECEMBER 2016

29


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Healthcare Design - December 2016

Table of Contents for the Digital Edition of Healthcare Design - December 2016

HEALTHCARE DESIGN - DECEMBER 2016
CONTENTS
EDITORIAL
SHOW TALK
PHOTO TOUR
BIG IDEAS
A SOUND PLAN
PROCESS IMPROVEMENT DATA TRANSMISSON
PRODUCT SPOTLIGHT ACOUSTICS
THE CENTER
SPECIAL SUPPLEMENT
FACE TIME
Healthcare Design - December 2016 - HEALTHCARE DESIGN - DECEMBER 2016
Healthcare Design - December 2016 - Cover2
Healthcare Design - December 2016 - 1
Healthcare Design - December 2016 - 2
Healthcare Design - December 2016 - CONTENTS
Healthcare Design - December 2016 - 4
Healthcare Design - December 2016 - 5
Healthcare Design - December 2016 - 6
Healthcare Design - December 2016 - EDITORIAL
Healthcare Design - December 2016 - SHOW TALK
Healthcare Design - December 2016 - 9
Healthcare Design - December 2016 - PHOTO TOUR
Healthcare Design - December 2016 - 11
Healthcare Design - December 2016 - 12
Healthcare Design - December 2016 - 13
Healthcare Design - December 2016 - 14
Healthcare Design - December 2016 - BIG IDEAS
Healthcare Design - December 2016 - 16
Healthcare Design - December 2016 - 17
Healthcare Design - December 2016 - 18
Healthcare Design - December 2016 - 19
Healthcare Design - December 2016 - 20
Healthcare Design - December 2016 - 21
Healthcare Design - December 2016 - 22
Healthcare Design - December 2016 - 23
Healthcare Design - December 2016 - A SOUND PLAN
Healthcare Design - December 2016 - 25
Healthcare Design - December 2016 - 26
Healthcare Design - December 2016 - 27
Healthcare Design - December 2016 - 28
Healthcare Design - December 2016 - 29
Healthcare Design - December 2016 - 30
Healthcare Design - December 2016 - PROCESS IMPROVEMENT DATA TRANSMISSON
Healthcare Design - December 2016 - 32
Healthcare Design - December 2016 - PRODUCT SPOTLIGHT ACOUSTICS
Healthcare Design - December 2016 - 34
Healthcare Design - December 2016 - THE CENTER
Healthcare Design - December 2016 - 36
Healthcare Design - December 2016 - SPECIAL SUPPLEMENT
Healthcare Design - December 2016 - 38
Healthcare Design - December 2016 - 39
Healthcare Design - December 2016 - 40
Healthcare Design - December 2016 - 41
Healthcare Design - December 2016 - 42
Healthcare Design - December 2016 - 43
Healthcare Design - December 2016 - 44
Healthcare Design - December 2016 - 45
Healthcare Design - December 2016 - 46
Healthcare Design - December 2016 - 47
Healthcare Design - December 2016 - FACE TIME
Healthcare Design - December 2016 - Cover3
Healthcare Design - December 2016 - Cover4
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