Healthcare Design - October 2018 - 32

DIGGING IN

32

OCTOBER 2018

PROJECT DETAILS

Stairs across from Wyomissing Park lead up to a
meadow walk on the HealthPlex's green roof, helping
connect the community and the hospital.

HCDMAGAZINE.COM

Project name: Reading
HealthPlex for Advanced
Surgical & Patient Care
Project completion date:
March 2017
Owner: Tower Health
Total building area:
476,000 sq. ft.
Total construction cost:
$235 million
Cost/sq. ft.: $493
Architecture: Ballinger
Interior design: Ballinger
Contracting: L.F. Driscoll
Engineering: Ballinger
Construction: L.F. Driscoll
Landscape architecture:
Jonathan Alderson
Landscape Architects
(consultant on hospital
grounds, roof garden,
fountain, and pergola)
Green roof consultants:
Roofmeadow

© ALBERT VECERKA / ESTO

Although the idea presented many benefits, the owner wouldn't sign off on
the green roof until designers addressed some challenges that came with
it, especially in light of its location above clinical areas. One directive was
that the garden be easy to maintain and not require additional staff. The
roof is planted over a waterproofing membrane to prevent leaks and has an
automated irrigation system, which reduces maintenance. A typical failure
point in green roof implementation is when drains become clogged with
vegetation and debris, so the team implemented a continuous drainage
layer and sloped the roofing membranes toward the drains to prevent water backup and flooding. Additionally, all drains can be visually inspected
via access chambers, which are 3 feet deep and nestled within the plantings, so that maintenance staff can easily ensure that the drain pathways
are clear.
Another issue was the weight of the plantings; full-size trees require
4 feet of earth for the long-term health and growth of the plants. When the
structural team ran the calculations for the initial design, the estimated
weight for the soil alone was roughly 16,000 tons, which translates to 500
pounds per square foot. This estimate didn't include the weight of the trees
themselves or the planned pergola and fountain.
In order to achieve the full range of vegetation, from small flowers to fullsize trees, the design team adjusted its plans to include a mix of soil and extruded polystyrene to reduce the weight. Trees were strategically placed in
areas above structural columns and/or additional steel framing for added


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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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