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CSA Z317.1-16 Special requirements for plumbing installations in health care facilities
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Z317.1-16
October 2016
Title: Special requirements for plumbing installations in health care facilities
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Z317.1-16
Published in October 2016 by CSA Group A not-for-profit private sector organization
178 Rexdale Boulevard, Toronto, Ontario, Canada M9W 1R3
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ISBN 978-1-4883-0386-9
© 2016 CSA Group
All rights reserved. No part of this publication may be reproduced in any form whatsoever without the prior permission of the publisher.
Technical Committee on Health Care Facilities 3 Subcommittee on Plumbing in Health Care Facilities 5 Preface 7
Scope 8
Reference publications 9
Definitions 13
General 17
System planning and design 17
Construction 18
Commissioning 18
Operation and maintenance 18
General 18
Infection prevention and control measures 19
Evaluation, testing, and treatment of potable water systems 21
Sustainability 23
Application 23
Catastrophic event management 24
Alarms 24
Hydraulic fire protection systems 24
Water systems 25
General 25
Potable water supply 25
Potable water distribution systems 26
Design and construction 26
System elements 27
Hot water systems 29
Water storage tanks 33
Initial system treatment 34
Specialized water systems 35
General 35
Deionization 37
Distillation 37
Reverse osmosis 37
Membrane and filter technology 38
Steam and condensate 38
Drainage systems 38
General 38
Foreign objects 38
Insulation 38
Storm drainage systems 39
Discharge 39
Sump pumps 39
Sanitary drainage systems 39
Sewage pumps 39
Design 40
Hazardous waste 41
Plumbing fixtures and fittings 42
General 42
Water closets 44
Other human waste disposal provisions 45
Sinks and lavatories 45
General 45
Hand hygiene sinks 46
Barrier free sinks 49
Scrub sinks 49
Hoppers 50
Utility sinks 50
Bathtubs and showers 51
General 51
Bathtubs 51
Showers 52
Floor drains 52
Decontamination showers 53
Eye wash stations 53
Catastrophic event management 54
General 54
Alternative water supply 55
Annex A (informative) — Health care facility examples according to class 59
Annex B (informative) — Measures to prevent legionella growth and spread in hot water systems 61
Annex C (informative) — Legionella testing 66
Annex D (informative) — Anti-microbial remediation measures for hot water systems 68
G.D. Burrill Teegor Consulting Inc., Fredericton, New Brunswick Category: Engineering Consultant
Representing Canadian Healthcare Engineering Society (CHES)
Chair
Snell Parkin Architects Limited, Toronto, Ontario Category: General Interest
Vice-Chair
Bagworth Agnew Peckham and Associates, Toronto, Ontario
Category: General Interest
R.J. Belanger Wasaga Beach, Ontario
Category: Engineering Consultant
S. Bogdan St. Joseph’s Health Centre, Toronto, Ontario
Category: User Interest
W.D. Carson W.D. Carson and Associates, Whitby, Ontario
Category: Engineering Consultant Representing The Mitchell Partnership
R. Dixon R&C Dixon Consulting Ltd., Vancouver, British Columbia Category: General Interest
C. Drolet Ministère de la Santé et des Services Sociaux (MSSS), Québec, Québec
Category: Government and/or Regulatory Authority
Ellinas R Tec Consulting Ltd., Toronto, Ontario
Category: Engineering Consultant
Fontaine Lower Mainland Facilities Management, Surrey, British Columbia
Category: User Interest
C. Harvey North York General Hospital, Toronto, Ontario
Category: User Interest
M. Keen St. Michael’s Hospital, Toronto, Ontario Category: General Interest Representing ASHRAE
G. Kuzmenko G K Enterprise Services Inc., Brantford, Ontario
Category: Engineering Consultant
D. MacKay Ministry of Health & Long-Term Care, Toronto, Ontario
Category: Government and/or Regulatory Authority
L.M. Shea Manitoba Health, Healthy Living, and Seniors, Winnipeg, Manitoba
Category: Government and/or Regulatory Authority
N. Stark H. H. Angus & Associates Ltd., Toronto, Ontario
Category: Engineering Consultant
K. Stockton The Ottawa Hospital General Campus, Ottawa, Ontario
Category: User Interest
M. Weimer Lower Mainland Facilities Management, New Westminster, British Columbia
Category: Government and/or Regulatory Authority Representing British Columbia Ministry of Health
S.M. Wilson Alberta Health Services, Edmonton, Alberta Category: User Interest
Representing Infection Prevention and Control Canada (IPAC)
J. Kraegel CSA Group, Toronto, Ontario
Project Manager
W.D. Carson W.D. Carson and Associates, Whitby, Ontario
Representing The Mitchell Partnership
Chair
M. Lee H. H. Angus & Associates Ltd, Toronto, Ontario
Vice-Chair
R.J. Belanger Wasaga Beach, Ontario
G.D. Burrill Teegor Consulting Inc, Fredericton, New Brunswick
Representing Canadian Healthcare Engineering Society (CHES)
R. Dixon R&C Dixon Consulting Ltd, Vancouver, British Columbia
K. Ernst Oakville Stamping & Bending Limited, Oakville, Ontario
G. Kuzmenko G K Enterprise Services Inc, Brantford, Ontario
L. Lampron Centre de santé et de service sociaux de Rimouski- Neigette,
Rimouski, Québec
R. Marchand Université de Montréal, Montréal, Québec
A. Matte Ministère de la Santé et des Services Sociaux (MSSS), Québec, Québec
M. Prévost École Polytechnique de Montréal, Montréal, Québec
T. Runka Chem-Aqua Environmental Services, Brampton, Ontario
K. Sharples Smith + Andersen, Toronto, Ontario
S.M. Wilson Alberta Health Services, Edmonton, Alberta
Representing Infection Prevention and Control Canada (IPAC)
J. Kraegel CSA Group, Toronto, Ontario
Project Manager
This is the fifth edition of CSA Z317.1, Special requirements for plumbing installations in health care facilities, one of a series of Standards related to health care facility engineering. It supersedes the previous editions, published in 2009, 1999, 1988, and 1978.
This Standard is intended to assist health care facilities to manage the potential risks associated with plumbing installation and maintenance.
The following have been updated for this edition:
scope and definitions (Clauses 1 and 3);
requirements and recommendations on infection prevention and control (Clause 4);
requirements on system design, initial system treatment, and ongoing measures to limit the occurrence of legionella and other infectious micro-organisms (Clause 6);
requirements on plumbing fixtures and fittings, including hand hygiene sinks (Clause 8); and
a new clause on catastrophic event management (Clause 9).
CSA Group acknowledges that the development of this Standard was made possible, in part, by the financial support of the governments of Alberta, British Columbia, Manitoba, New Brunswick, Newfoundland and Labrador, Northwest Territories, Nova Scotia, Nunavut, Ontario, Prince Edward Island, Québec, Saskatchewan, and Yukon, as administered by CADTH.
This Standard was prepared by the Subcommittee on Plumbing in Health Care Facilities, under the jurisdiction of the Technical Committee on Health Care Facilities and the Strategic Steering Committee on Health Care Technology and Systems, and has been formally approved by the Technical Committee. Notes:
Use of the singular does not exclude the plural (and vice versa) when the sense allows.
Although the intended primary application of this Standard is stated in its Scope, it is important to note that it remains the responsibility of the users of the Standard to judge its suitability for their particular purpose.
This Standard was developed by consensus, which is defined by CSA Policy governing standardization — Code of good practice for standardization as “substantial agreement. Consensus implies much more than a simple majority, but not necessarily unanimity”. It is consistent with this definition that a member may be included in the Technical Committee list and yet not be in full agreement with all clauses of this Standard.
To submit a request for interpretation of this Standard, please send the following information to inquiries@csagroup.org and include “Request for interpretation” in the subject line:
define the problem, making reference to the specific clause, and, where appropriate, include an illustrative sketch;
provide an explanation of circumstances surrounding the actual field condition; and
where possible, phrase the request in such a way that a specific “yes” or “no” answer will address the issue.
Committee interpretations are processed in accordance with the CSA Directives and guidelines governing standardization and are available on the Current Standards Activities page at standardsactivities.csa.ca.
This Standard is subject to review five years from the date of publication. Suggestions for its improvement will be referred to the appropriate committee. To submit a proposal for change, please send the following information to inquiries@csagroup.org and include “Proposal for change” in the subject line:
Standard designation (number);
relevant clause, table, and/or figure number;
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rationale for the change.
Z317.1-16
Scope
1.1
This Standard addresses the special requirements of plumbing systems pertinent to the design, construction, operation, and maintenance of health care facilities (HCFs). This Standard specifies requirements for the following in HCFs:
water supply systems, including domestic cold water systems and hot water systems;
plumbing fixtures and fittings;
drainage systems;
monitoring and maintenance of water systems;
infection control;
catastrophic event planning;
specialized water systems (e.g., reverse-osmosis, deionized, distilled); and
hydraulic fire protection systems.
Note: Special requirements for plumbing systems apply in HCFs because of the need to protect occupants of the facility and the adjacent surroundings from
infectious diseases;
hazards created by improper temperatures, leaks, and inadequate drainage; and
adverse conditions created by the failure or improper operation of plumbing systems.
1.2
This Standard supplements the relevant standards and other applicable requirements for plumbing systems, fixtures, and fittings in general building applications.
Notes:
Relevant plumbing standards for plumbing systems, fixtures, and fittings in general building applications include
a) ASME A112.19.2/CSA B45.1; b) ASME A112.19.1/CSA B45.2; c) ASME A112.19.3/CSA B45.4;
CSA B45.5/IAPMO Z124;
CAN/CSA-B64 Series;
f) ASME A112.18.1/CSA-B125.1;
g) ASME A112.18.2/CSA-B125.2; and
h) CSA B125.3.
Applicable requirements for plumbing systems are also contained in the National Building Code of Canada
and the National Plumbing Code of Canada.
1.3
This Standard does not apply to medical gas systems.
Note: See CAN/CSA-Z7396.1 for design, installation, certification, and maintenance requirements for non- flammable medical gas piping systems.
1.4
This Standard is not intended to preclude the use of design concepts and the adoption of construction, installation, operations, and maintenance procedures more stringent than those specified in this Standard and in the documents listed in Clause 1.2.
1.5
This Standard applies to all classes of HCF.
Note: Some requirements may be waived for smaller Class C-2 HCFs as determined by the application of engineering principles and in consultation with the administrator and the authority having jurisdiction.
1.6
The requirements of this Standard apply to the retrofitting of existing systems when
an existing HCF is
extended; or
undergoing material alteration or repair; and
the plumbing in existing facilities is adversely affected.
1.7
In this Standard, “shall” is used to express a requirement, i.e., a provision that the user is obliged to satisfy in order to comply with the Standard; “should” is used to express a recommendation or that which is advised but not required; and “may” is used to express an option or that which is permissible within the limits of the Standard.
Notes accompanying clauses do not include requirements or alternative requirements; the purpose of a note accompanying a clause is to separate from the text explanatory or informative material.
Notes to tables and figures are considered part of the table or figure and may be written as requirements.
Annexes are designated normative (mandatory) or informative (non-mandatory) to define their application.
1.8
The values given in SI units are the units of record for the purposes of this Standard. The values given in parentheses are for information and comparison only.
Reference publications
This Standard refers to the following publications, and where such reference is made, it shall be to the edition listed below, including all amendments published thereto.
CSA Group
CAN/CSA-ISO 13959-11
Water for haemodialysis and related therapies
CAN/CSA-ISO 26722-16
Water treatment equipment for haemodialysis applications and related therapies