Healthcare Design - October 2018 - 33
support. In areas with smaller plantings, layers of lightweight polystyrene were
used to create the base and shaped earthen forms, which were then covered in
layers of roofing membrane and limited soil for the shallow plantings.
By locating the trees first, the deeper, heavier soil layers were better controlled,
and then the thinner planting layers were woven together to create a lush landscape without adding unnecessary weight. With these changes, the weight of the
final design was reduced by 30 percent.
Another adjustment to the initial design was replacing sand between paver
joints on the pathways with a larger aggregate material to allow better flow
of water through the material layers as part of the stormwater management
strategy. The rooftop garden plan also had to account for sun and wind exposure, which can create pockets of plantings that need additional water. Extra
irrigation was added in areas that receive southern exposure and dry out more
easily. To address wind exposure, a paver grid, edge stones, and geomats (a type
of erosion-control mattress made from polypropylene and high-density polyethylene) were installed to reinforce the soil during vegetation growth and reduce erosion.
The hospital garden also delivers a social return
on investment by creating an accessible public
space in the community. The running paths in the
nearby park lead up the stairs to the garden, bringing visitors to the site who may have no direct connection to the surgical platform below. Staff are encouraged to take breaks in the shade of the garden,
and patients are frequently seen outside experiencing nature just steps away from their rooms.
Staff report that two features-the fountain with
its tranquil sounds, and the large grassy area surrounded by benches and paved walkways-have
been popular attractions since the garden opened.
On the operations side, maintenance issues have
proved manageable for the staff. Additionally, a local company was contracted to handle weeding and
maintenance on a scheduled timeframe, ensuring
the space stays well kept for years to come.
BENEFITS IN BLOOM
Considering the increasing challenge of stormwater management in urban
areas, the large scale of plantings on the HealthPlex helps reduce heat island
effect and aids in capturing and slowing storm water during heavy rains, reducing the threat of sewer overflows, and returning cleaner water to the surrounding watershed.
Louis Meilink Jr., AIA, ACHA, ACHE, is principal at
Ballinger (Philadelphia). He can be reached at L M E I L
I N K @ B A L L I N G E R . C O M . Christina Grimes, AIA, LEED
AP BD+C, EDAC, is associate principal at Ballinger.
She can be reached at C G R I M E S @ B A L L I N G E R . C O M .
OCTOBER 2018
33
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http://www.sikafloorusa.com
Table of Contents for the Digital Edition of Healthcare Design - October 2018
Healthcare Design - October 2018
Contents
Editorial
Show Talk
2018 Hcd Expo Preview
A Future So Bright
Haped by Nature
Branding
Product Spotlight
The Center
Face Time
Healthcare Design - October 2018 - Intro
Healthcare Design - October 2018 - Healthcare Design - October 2018
Healthcare Design - October 2018 - Cover2
Healthcare Design - October 2018 - 1
Healthcare Design - October 2018 - 2
Healthcare Design - October 2018 - Contents
Healthcare Design - October 2018 - 4
Healthcare Design - October 2018 - 5
Healthcare Design - October 2018 - 6
Healthcare Design - October 2018 - Editorial
Healthcare Design - October 2018 - Show Talk
Healthcare Design - October 2018 - 9
Healthcare Design - October 2018 - 10
Healthcare Design - October 2018 - 2018 Hcd Expo Preview
Healthcare Design - October 2018 - 12
Healthcare Design - October 2018 - 13
Healthcare Design - October 2018 - 14
Healthcare Design - October 2018 - 15
Healthcare Design - October 2018 - 16
Healthcare Design - October 2018 - A Future So Bright
Healthcare Design - October 2018 - 18
Healthcare Design - October 2018 - 19
Healthcare Design - October 2018 - 20
Healthcare Design - October 2018 - 21
Healthcare Design - October 2018 - 22
Healthcare Design - October 2018 - 23
Healthcare Design - October 2018 - 24
Healthcare Design - October 2018 - 25
Healthcare Design - October 2018 - 26
Healthcare Design - October 2018 - 27
Healthcare Design - October 2018 - Haped by Nature
Healthcare Design - October 2018 - 29
Healthcare Design - October 2018 - 30
Healthcare Design - October 2018 - 31
Healthcare Design - October 2018 - 32
Healthcare Design - October 2018 - 33
Healthcare Design - October 2018 - 34
Healthcare Design - October 2018 - Branding
Healthcare Design - October 2018 - 36
Healthcare Design - October 2018 - 37
Healthcare Design - October 2018 - 38
Healthcare Design - October 2018 - 39
Healthcare Design - October 2018 - Product Spotlight
Healthcare Design - October 2018 - 41
Healthcare Design - October 2018 - 42
Healthcare Design - October 2018 - 43
Healthcare Design - October 2018 - 44
Healthcare Design - October 2018 - 45
Healthcare Design - October 2018 - The Center
Healthcare Design - October 2018 - 47
Healthcare Design - October 2018 - Face Time
Healthcare Design - October 2018 - Cover3
Healthcare Design - October 2018 - Cover4
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