ASHRAE Journal - June 2019 - 45

HONORABLE MENTION | 2019 ASHRAE TECHNOLOGY AWARD CASE STUDIES

The word "ullivik" means "a place to stay or wait" in
Inuktitut, a language spoken by Inuit. This is a good
illustration of the work of the Ullivik Heath Centre,
which is dedicated to temporarily accommodating Inuit
convalescents who are hospitalized in nearby Montreal
and their relatives. The efficient design of the health
center, which opened in December 2016, is primarily
based on the creation of a low temperature glycol loop
for envelope and outdoor air heating and preheating of
domestic hot water.
The 65,000 ft2 (6039 m2) building incorporates many sustainabledevelopment and energy-efficient
measures that translated into
43.7% energy saving with respect
to Canada's MNECB 1997 (Model
National Energy Code for Buildings)
reference building, which is
equivalent to 32% less than ASHRAE
Standard 90.1-2007 reference energy
consumption. It has had a 100% occupancy rate since it opened.
The center is spread over four
floors and a basement. The basement houses the main mechanical
and electrical rooms, two offices,
the employees' locker room and toilet facilities. The T-shaped ground
floor includes a reception and rest
area, an administrative section and
a catering area with a shipping/
receiving zone. The second, third
and fourth floors are L-shaped and
house patient rooms and some common areas (corridors, laundries).
The design-build approach,
adopted since the start of the
project, allowed the design team
to optimize occupant comfort,
energy performance and building
Daniel Robert, P.Eng., is vice president sales and engineering, Stanley Katz is director general of piping, and Simon
Katttoura, P.Eng., is director of energy services at Kolostat,
Laval, QC, Canada.

sustainability while respecting the
budget and the needs of the owner.
An energy simulation model was
created early in the design process
and was used to demonstrate to the
customer the financial viability of
the proposed concept compared to
an original design using variable
refrigerant flow (VRF) technology.
Built with the goal of maximizing energy performance and
occupant comfort, Ullivik is
designed to meet hospital and
clinic ventilation requirements
of ANSI/ASHRAE/ASHE Standard
170-2008, Ventilation of Health Care
Facilities.
Installed water to water heat
pumps are designed to meet the
needs of air conditioning yearround. The heat pump condenser
loop is used as a thermal water loop
that distributes heat to room fan
coils, outdoor air units and domestic hot water preheating systems.
Connected on this same loop are dry
coolers to remove the excess heat in
summer; during cold periods, condensing boilers are used to add heat
to the loop when required.
To maximize heat recovery, the
toilet exhaust, general building
exhaust, main electrical room and
server room can be mechanically

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ASHRAE Journal - June 2019

Table of Contents for the Digital Edition of ASHRAE Journal - June 2019

Contents
ASHRAE Journal - June 2019 - Intro
ASHRAE Journal - June 2019 - Cover1
ASHRAE Journal - June 2019 - Cover2
ASHRAE Journal - June 2019 - 1
ASHRAE Journal - June 2019 - Contents
ASHRAE Journal - June 2019 - 3
ASHRAE Journal - June 2019 - 4
ASHRAE Journal - June 2019 - 5
ASHRAE Journal - June 2019 - 6
ASHRAE Journal - June 2019 - 7
ASHRAE Journal - June 2019 - 8
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ASHRAE Journal - June 2019 - 37
ASHRAE Journal - June 2019 - 38
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ASHRAE Journal - June 2019 - 45
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ASHRAE Journal - June 2019 - Cover3
ASHRAE Journal - June 2019 - Cover4
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