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<big><big>Division A - Scope, Use of Standards, and Guarantee </big></big>
<hr>
<big><big><big><big><big>Part 2 - Structure and Organization of RPM and Standards</big></big></big></big></big>
==Section 2.1. How to Read Standards==
===2.1.1. Structure of the Roofing Practices Manual===
====2.1.1.1. Division====
<ol>
<li>The structure of the ''RPM'' has changed over time. Originally published as a paper-based binder with twelve tabs, it was digitized in 2012 and converted to an online wiki format. In 2016, the wiki-based ''RPM'' was restructured to form five Divisions, A through E.
<br><br>
:'''Division A: Scope, Use of Standards, and Guarantee'''
::Division A contains important information about the ''RPM'' and the '''''RoofStar Guarantee Program''''', including any limitations and exclusions applicable to a '''''RoofStar Guarantee'''''. 
:'''Division B: Standards'''
::Standards are listed by system according to the weather-side surface, and are further divided by system categories - '''Roof Waterproofing Systems''', '''Water-shedding Systems''', and '''Grade-level Waterproofing Systems'''.  Explanatory notes may be incorporated at the end of each Standard. 
:'''Division C: Accepted Materials'''
::Division C contains all the listed Accepted Materials used in the '''''RoofStar Guarantee Program'''''; it is searchable by a variety of methods, each made simple by ready hyperlinks.
:'''Division D: Construction Details'''
::Division D houses the construction details that support each Standard.  Construction Details are categorized by Division and then by System, and each System is then organized by the Part structure with which each Standard is organized.
:'''Division E: General Information'''
::Division E contains short articles on related subject matters, and includes reference materials commonly used in design and construction.
</li></ol>

===2.1.2. Structure of Standards===
====2.1.2.1. Purpose and Function of Structure====
Each Standard published in the RPM is an arrangement of minimum requirements, and recommendations, which are necessary to design and construct a ''roof system'' that will qualify for a '''''RoofStar Guarantee'''''.  Standards include requirements and commentary on supporting decks and walls, and on any ''overburden'' a ''system'' may support, even though a '''''RoofStar Guarantee''''' does not extend coverage to these.

In each Standard, the term ''assembly'' may be used when a specific deck type is mentioned or implied.  Otherwise, a Standard pertains only to the ''system'', that is, the arrangement of materials installed on a suitable deck surface.

Every roofing Standard is arranged linearly, from requirements that are general in nature (Part 1) to requirements that are particular (for example, requirements for ''systems'' intended to support ''overburden'' - Part 14).  Standards for ''waterproofing'' at grade are arranged almost identically to waterproofing roof Standards.  This linear arrangement also reflects the bottom-to-top construction sequence of an ''assembly''.  Except for Part 4, which addresses general material qualities and handling, the arrangement of a Standard's Parts reflects the following sequence and addresses design, material, and construction requirements in each one:

:{| class="wikitable"
|-
! Part!! Content
|-
| Part 1  || '''General''' (covers design, material, and construction requirements for all ''systems'')
|-
| Part 2  || '''Supporting Structures''': Decks and Walls
|-
| Part 3  || '''Securing the Roof Assembly''' (to resist displacement by wind)
|-
| Part 4  || '''Materials''' (General material qualities, applicable to all Parts, and to the entire construction process)
|-
| Part 5  || '''Deck and Wall Overlays''' (materials used to render a suitable surface for the ''system'')
|-
| Part 6  || '''Air and Vapour Controls'''
|-
| Part 7  || '''Insulation'''
|-
| Part 8  || '''Insulation Overlays''' (Eave protection, Underlayments, and ventilation, in the Standards for ''water-shedding roof systems'')
|-
| Part 9  || '''Roof Field''' (Field Panels, Field Shingles, or Field Shakes, in the Standards for ''water-shedding roof systems'')
|-
| Part 10 || '''Perimeters and Walls''' (including parapets, control joints, and expansion joints)
|-
| Part 11  || '''Drainage'''
|-
| Part 12  || '''Penetrations and Curbs'''
|-
| Part 13  || '''Linear Metal Flashing''' (sheet metal flashings used for protection or water diversion)
|-
| Part 14  || '''The Roof as a Platform''' (concerning amenity spaces and other loads superimposed on the ''roof system'')
|-
|}

Every Standard is written as an integrated document; each Part supports the others and cannot be read or understood apart from the rest.  Therefore, the reader must become familiar with the entire Standard, including all three Sections in each Part.

====2.1.2.2. Parts and Sections====
<ol>
<li>Each Standard is divided into fourteen Parts, and each Part is normally divided into three Sections:
<ol>
<li>'''Section 1 (General)''' includes definitions and broadly applicable design guidelines or standards.
<li>'''Section 2 (Materials)''' includes specific material requirements within the Part.
<li>'''Section 3 (Application)''' includes the requirements, guiding principles, recommendations and ancillary information necessary for the Contractor to build the system that qualifies for a '''''RoofStar Guarantee'''''.
</li></ol>
<li>Each section is divided into sub-sections, articles, sentences and clauses. With minor exceptions, all requirements and recommendations are contained in Articles.  This nomenclature loosely mimics the structure of the ''British Columbia Building Code'' and its parent Code, the ''National Building Code of Canada''. The nomenclature of the ''RPM'' can be illustrated this way:
</li></ol>
::{| class="wikitable"
|-
! Nomenclature !! Example
|-
| '''Division''' || Waterproofing Systems (Roofs)
|-
| '''System''' || SBS-modified Bitumen Membrane Systems
|-
| '''Standard''' || Standard for SBS-Modified Bitumen Membrane Roof Systems
|-
| '''Part''' || Part 3 -  Securing the Roof Assembly
|-
| '''Section''' || 3.1. Design
|-
| '''Subsection''' || 3.1.4. Conventionally Insulated Roof Systems
|-
| '''Article''' || 3.1.4.3. Specifying an Assembly with Proven Past Performance
|-
| '''Sentence''' || …(1)
|-
| '''Clause''' || …(1)(4)
|-
| '''Sub-clause''' || …(1)(4)(3)
|}

===2.1.3. Standards Content===
====2.1.3.1. Use of “and” and “or” between the Clauses and Subclauses of a Sentence====
<ol>
<li>Throughout the Standards, multiple Clauses and Subclauses are connected by the word “and” or “or” at the end of the second last Clause or Subclause in the series. Although this connecting word appears only once, it is meant to apply to all the preceding Clauses or Subclauses within that series.  Each connected Subclause ends with a comma to indicate connection.  In all cases, a Clause (and its Subclauses, if any) must be read in conjunction with the beginning of the Sentence.
</li></ol>

====2.1.3.2. Measurements====
<ol>
<li>All values in the RPM and its Standards are given in metric units; Imperial measurements are typically shown in parentheses.
</li></ol>

====2.1.3.3. Definitions====
<ol>
<li>In addition to the terms defined in the [http://rpm.rcabc.org/index.php?title=Glossary '''Glossary'''], the following definitions are used throughout this ''Manual'' and in each Standard.

:;''Contractor'': means the installer of a ''project''.  For the purpose of issuing a '''''RoofStar Guarantee''''', ''Contractor'' shall be read to mean an Active Member of the RCABC.
;:
:;''Design Authority'': means the individual or firm responsible for the issuance of ''Project'' specifications and details to which the ''Project'' will be bid and constructed.  When a ''Contractor'' designs a ''Project'', the ''Contractor'' is deemed to be the ''Design Authority''.
;:
:;''Guarantor'': means the RGC '''''RoofStar Guarantee Program''''' that issues the '''''RoofStar Guarantee''''' ("''Guarantee''"); the two terms may be used interchangeably.
;:
:;''Manual'': means the '''''Roofing Practices Manual'''''.
;:
:;''Project'': means the {{hilite | scope of work for which the ''Contractor'' is responsible|| 2022-February-5 }}.
;:
</li></ol>

====2.1.3.4. Text Classification====
<ol>
<li>Sentences in a Standard are coloured to classify and differentiate language, to provide clarity of meaning and importance: "requirements", "guiding principles", "recommendations", and "reference" (information):

:;'''Requirements''': are shown in '''black''', and are statements conventionally expressed by "must" or "shall". They convey what is required for the ''project'' to qualify for a '''''RoofStar Guarantee'''''.
:;'''Guiding Principles''': are shown in <span class="principles">'''green'''</span>. Guiding Principles support the requirements and are typically expressed by the use of "should" in the text, but occasionally indicated by "may". Guiding Principles may also pertain to how the '''''RoofStar Guarantee Program''''' is administered. Contained within "Guiding Principles" are Risk Management Best Practices which are binding upon the ''Contractors'' who perform work to conform to a Standard.
:;'''Recommendations''': are shown in <span class="recommended">'''red'''</span> and are not binding. They are typically expressed with the use of "recommend". While "recommendations" are non-binding, they are nevertheless important, and the reader is strongly urged to adopt them. 
:;'''Informative Notes''': are shown in <span class="reference">'''blue'''</span> and are merely informative and provide useful background material or may explain a standard. Notes are non-binding upon either the ''Design Authority'' or the ''Contractor''.
<li>Use of the singular does not exclude the plural (and vice versa) when the sense allows.
<li>The term "standard" and "requirement" have the same meaning.
<li>The term "Standard" (when capitalized) refers to the document (the Standard) that governs the design, permissible materials, and application requirements for a specific ''system''.
<li>Standards are written using a structured numbering system which is explained above.
<li>Italicized text indicates defined terminology. See the [http://rpm.rcabc.org/index.php?title=Glossary '''Glossary'''] for more defined terms used in this ''Manual''.
<li>Bold italics are used to denote documents or programs of the RCABC and the RGC (Guarantor).
<li>Internal and external references (i.e., building codes, standards) are generally titled in plain type; titles of articles, or subtitles of a standard, are expressed within quotation marks.
</li></ol>

====2.1.3.5. Change Indication====
<ol>
<li>Changes to Standards or published accepted materials are highlighted with yellow and remain highlighted for a period of twelve months from the date of change.  Other changes to published resources in the RPM are not highlighted or otherwise indicated.
<li>The term <span class="reference">"Reserved"</span> is applied to some Parts, sub-sections or Articles to ease comparability with other Standards, and to facilitate possible future additions.
</li></ol>

===2.1.4. Notes to Standards===
====2.1.4.1. Function of Notes in the Standards====
<ol>
<li>Notes referenced and linked in each Standard are informative only, and are non-binding; they are published only as commentary, intended to support or provide an explanation of requirements, guiding principles, or recommendations published in the Standards.
</li></ol>

==Section 2.2. Images, References, and Material Products==
===2.2.1. Use of Illustrations and Construction Details===
====2.2.1.1. Illustrations====
<ol>
<li>Illustrations are offered throughout a Standard, to supplement the text, and are considered non-binding and informative only.
<li>Where an illustration appears to differ from a Standard, the Standard shall be considered binding.
<li>Illustrated materials and applications are representational and therefore any similarity to actual materials or methods, including colours or textures, is purely accidental.
</li></ol>

====2.2.1.2. Construction Details====
<ol>
<li>Construction Details are located outside of a Standard but may be linked to the Standard within the body of text. 
<li>Construction Details may be considered complementary to the Standard and include notes and additional hyperlinks that either direct the reader back to the Standard or to an external document.
<li>Where a Construction Detail appears to differ from a Standard, the Standard shall be considered binding.
<li>Illustrated materials and applications are representational and therefore any similarity to actual materials or methods, including colours or textures, is purely accidental.
</li></ol>

===2.2.2. Reference Publications===
====2.2.2.1. Codes and External Standards====
<ol>
<li>[https://free.bcpublications.ca/civix/content/public/bcbc2018/?xsl=/templates/browse.xsl&xsl=/templates/browse.xsl ''British Columbia Building Code''] (“Code”), current edition.
<li>ASTM International (current edition of standards, as identified in this ''Manual'').
</li></ol>

===2.2.3. Material Products===
====2.2.3.1. Materials accepted by the Guarantor (RGC)====
<ol>
<li>Materials identified or described in this ''Manual'' and the Standards apply only to those which are accepted by the RGC, unless stated otherwise.
</li></ol>

==Section 2.3. Editions, Revisions, and Authority==
===2.3.1. Digital and Printed Editions===
====2.3.1.1. Authoritative Version of RPM and Standards====
<ol>
<li>Each Standard is prepared by the RCABC Guarantee Corp. (RGC) Technical Committee, under the final approval of the RCABC Guarantee Corp. (RGC) Board of Directors and is republished every four months. 
<li>While printable versions of each Standard are available for download by users of the RPM, the online version remains the authoritative document in all respects and is binding.
</li></ol>

====2.3.1.2. Authority and Conflict====
<ol>
<li>The RPM is the authoritative body of Standards for the '''''RoofStar Guarantee Program'''''.  However, should a conflict arise 
<ol>
<li>between a manufacturer's published specifications and the '''''RoofStar Guarantee''''' requirements published in a Standard, written agreement must be secured from the '''''Guarantor''''' for determination of the appropriate standard.
<li>between a manufacturer's published specifications and the guidelines issued in the Roofing Practices Manual, the latest '''''RoofStar Guarantee''''' requirements published in a Standard shall supersede all other '''''RoofStar Guarantee Program''''' guidelines.
<li>between the '''''RoofStar Guarantee''''' requirements published in a Standard, and the guidelines issued in the Roofing Practices Manual, the latest requirements published in a '''''RoofStar Guarantee''''' Standard shall supersede all other '''''RoofStar Guarantee Program''''' guidelines.
<li>between the '''''RoofStar Guarantee''''' requirements published in a Standard, and the project specifications, the more stringent one shall prevail.
</li></ol>
</li></ol>

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© RCABC 2021
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No reproduction of this Manual, in whole or in part, is lawful without the expressed permission of the RGC Guarantee Program.
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