Template:Part 3 - PVC - Revision history

James Klassen: /* Roofs with Ballast or Overburdens */

2022-04-22T20:12:08Z

‎Roofs with Ballast or Overburdens

James Klassen: /* General */

2022-04-22T20:11:06Z

‎General

James Klassen at 16:16, 5 January 2022

2022-01-05T16:16:21Z

James Klassen: /* General */

2021-11-26T17:15:09Z

‎General

James Klassen: /* {{hilite | Intent || 2021-October-30 }} */

2021-11-26T17:14:57Z

‎{{hilite | Intent || 2021-October-30 }}

James Klassen: /* General */

2021-11-26T17:09:46Z

‎General

James Klassen: /* Mechanically Fastened Materials */

2021-11-16T18:45:00Z

‎Mechanically Fastened Materials

James Klassen: /* Ballasted Roof Systems */

2021-11-16T18:32:45Z

‎Ballasted Roof Systems

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2021-11-15T18:34:04Z

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 ====<big>Roofs with Ballast or Overburdens</big>====
 '''NOTE''': the reader must consult the Design and Application requirements in '''12.1 Protected and Modified Protected Membrane Roof Systems''', together with requirements in '''Part 14 THE ROOF as a PLATFORM''' (with respect to ''Vegetated Roof Systems'').
-#When vegetation and its growing media is intended as either ballast or ''overburden'' on any membrane roof assembly, the ''Design Authority'' must, in addition to calculating the ''Specified Wind Loads'' for the ''roof assembly'', determine the ''Specified Wind Loads'' for the ''Vegetated Roof Systems'' (VRS), and the dimensions of the roof zones, using the [https://www.nrc-cnrc.gc.ca/eng/services/windrci/agreementvra.html '''WIND-VRA'''] online calculator tool or, in the alternative, another method that is its equal or superior.  Note that this online resource applies only to buildings described on the Wind-RCI website as "low rise" and of moderate height (limited to 20 m or 65 feet) with a roof ''Waterproofing System''.  Designing appropriate securement of a VRS on roofs taller than 20 m (65') or with slopes greater than 2:12 must be undertaken by a licensed design professional using current wind engineering practices, and must be acceptable to the ''Authority Having Jurisdiction'' (AHJ). Securement methods and details of a VRS, regardless of building height and roof slope, are the responsibility of the ''Design Authority''.
+#When vegetation and its growing media is intended as either ballast or ''overburden'' on any membrane roof assembly, the ''Design Authority'' must, in addition to calculating the ''Specified Wind Loads'' for the ''roof assembly'', determine the ''Specified Wind Loads'' for the ''Vegetated Roof Systems'' (VRS), and the dimensions of the roof zones, using the [https://nrc.canada.ca/en/research-development/products-services/software-applications/wind-load-calculators-roof-cladding-vegetated-roof-assembly ''Wind Load Calculator for Vegetated Roof Assembly''] or, in the alternative, another method that is its equal or superior.  Note that this online resource applies only to buildings described on the Wind-RCI website as "low rise" and of moderate height (limited to 20 m or 65 feet) with a roof ''Waterproofing System''.  Designing appropriate securement of a VRS on roofs taller than 20 m (65') or with slopes greater than 2:12 must be undertaken by a licensed design professional using current wind engineering practices, and must be acceptable to the ''Authority Having Jurisdiction'' (AHJ). Securement methods and details of a VRS, regardless of building height and roof slope, are the responsibility of the ''Design Authority''.
 #VRSs that are not modular, and VRSs on buildings that do not conform to the parameter of the Wind-VRA calculator, must be engineered to resist ''Specified Wind Loads''.
 #Ballasted loose-laid membrane ''roof systems'', and ''systems'' designed as ''PMRAs'' or ''MPMRAs'' that utilize gravel ballast, must be designed for adequate securement by

@@ Line 65: / Line 65: @@
 ====<big>General</big>====
 <ol>
-<li><u>The ''Design Authority'' is responsible for the proper calculation of ''Specified Wind Loads'' for a roof ''Waterproofing System'', regardless of its design</u>, and must use the [https://www.nrc-cnrc.gc.ca/eng/services/windrci/agreement.html ''Wind-RCI online wind calculator''], or use the formulae in the ''British Columbia Building Code, Division B, Part 4'': Subsection 4.1.7.,'' Wind Loads'' {{hilite |(see ''The British Columbia Building Code'', Division B, Part 2:|| 2021-October-30 }} [http://free.bcpublications.ca/civix/document/id/public/bcbc2018/bcbc_2018dcp2s22r2 Article 2.2.1.2., ''Structural Design'']; Division C, Part 2: [https://free.bcpublications.ca/civix/document/id/public/bcbc2018/bcbc_2018dcp2s22r2 Section 2.2., ''Administration'']; and Division B, Part 2: [http://free.bcpublications.ca/civix/document/id/public/bcbc2018/bcbc_2018dcp2n ''Notes to Part 2'']{{hilite |)|| 2021-October-30 }}.  This includes roofs that support an overburden, including ''Vegetated Roof Systems''.
+<li><u>The ''Design Authority'' is responsible for the proper calculation of ''Specified Wind Loads'' for a roof ''Waterproofing System'', regardless of its design</u>, and must use the [https://nrc.canada.ca/en/research-development/products-services/software-applications/wind-load-calculators-roof-cladding-vegetated-roof-assembly ''Wind Uplift Resistance Calculator''] (formerly Wind-RCI), or use the formulae in the ''British Columbia Building Code, Division B, Part 4'': Subsection 4.1.7.,'' Wind Loads'' {{hilite |(see ''The British Columbia Building Code'', Division B, Part 2:|| 2021-October-30 }} [http://free.bcpublications.ca/civix/document/id/public/bcbc2018/bcbc_2018dcp2s22r2 Article 2.2.1.2., ''Structural Design'']; Division C, Part 2: [https://free.bcpublications.ca/civix/document/id/public/bcbc2018/bcbc_2018dcp2s22r2 Section 2.2., ''Administration'']; and Division B, Part 2: [http://free.bcpublications.ca/civix/document/id/public/bcbc2018/bcbc_2018dcp2n ''Notes to Part 2'']{{hilite |)|| 2021-October-30 }}.  This includes roofs that support an overburden, including ''Vegetated Roof Systems''.
 <li>When the geometry of a building exceeds the capabilities of the Wind-RCI calculator, the ''Design Authority'' must calculate wind loads in accordance with the ''British Columbia Building Code'', Division B, Part 4: Subsection 4.1.7., ''Wind Loads'', and in consultation with other sections of the ''British Columbia Building Code'' as they pertain to the determination of ''Specified Wind Loads''.  Acceptance of a roof for a '''''RoofStar Guarantee''''' is predicated on the assumption that the ''Design Authority'' has performed Due Diligence with respect to ''Specified Wind Loads'' and has provided the ''Contractor'' with sufficient information to construct a ''roof system'' that complies with the Code.
 <li>All roof ''Waterproofing Systems'' shall consist of the following three zones, illustrated in '''Figure 3.1'''.

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 </div>
 <div style="text-align: left;">
-Click on the gif above to see the '''full high-definition video''', which illustrates why roof system attachment standards matter ('''NOTE''': the system shown in the video represents a mechanically fastened EPDM roof, constructed to '''''RoofStar Guarantee Standards'''''.  The membrane "flutter" in wind is normal for this type of roof system).
+Click on the gif above to see the '''full high-definition video''', which illustrates why roof system attachment standards matter ('''NOTE''': the system shown in the video represents a mechanically fastened EPDM roof, constructed to '''''RoofStar Guarantee Standards'''''.  The membrane "flutter" in wind is normal for this type of ''roof system'').
 </div>

@@ Line 65: / Line 65: @@
 ====<big>General</big>====
 <ol>
-<li><u>The ''Design Authority'' is responsible for the proper calculation of ''Specified Wind Loads'' for a roof ''Waterproofing System'', regardless of its design</u>, and must use the [https://www.nrc-cnrc.gc.ca/eng/services/windrci/agreement.html '''Wind-RCI online wind calculator'''], or use the formulae in the ''British Columbia Building Code, Division B, Part 4'': Subsection 4.1.7.,'' Wind Loads'' {{hilite |(see ''The British Columbia Building Code'', Division B, Part 2:|| 2021-October-30 }} [http://free.bcpublications.ca/civix/document/id/public/bcbc2018/bcbc_2018dcp2s22r2 Article 2.2.1.2., ''Structural Design'']; Division C, Part 2: [https://free.bcpublications.ca/civix/document/id/public/bcbc2018/bcbc_2018dcp2s22r2 Section 2.2., ''Administration'']; and Division B, Part 2: [http://free.bcpublications.ca/civix/document/id/public/bcbc2018/bcbc_2018dcp2n ''Notes to Part 2'']{{hilite |)|| 2021-October-30 }}.  This includes roofs that support an overburden, including ''Vegetated Roof Systems''.
+<li><u>The ''Design Authority'' is responsible for the proper calculation of ''Specified Wind Loads'' for a roof ''Waterproofing System'', regardless of its design</u>, and must use the [https://www.nrc-cnrc.gc.ca/eng/services/windrci/agreement.html ''Wind-RCI online wind calculator''], or use the formulae in the ''British Columbia Building Code, Division B, Part 4'': Subsection 4.1.7.,'' Wind Loads'' {{hilite |(see ''The British Columbia Building Code'', Division B, Part 2:|| 2021-October-30 }} [http://free.bcpublications.ca/civix/document/id/public/bcbc2018/bcbc_2018dcp2s22r2 Article 2.2.1.2., ''Structural Design'']; Division C, Part 2: [https://free.bcpublications.ca/civix/document/id/public/bcbc2018/bcbc_2018dcp2s22r2 Section 2.2., ''Administration'']; and Division B, Part 2: [http://free.bcpublications.ca/civix/document/id/public/bcbc2018/bcbc_2018dcp2n ''Notes to Part 2'']{{hilite |)|| 2021-October-30 }}.  This includes roofs that support an overburden, including ''Vegetated Roof Systems''.
 <li>When the geometry of a building exceeds the capabilities of the Wind-RCI calculator, the ''Design Authority'' must calculate wind loads in accordance with the ''British Columbia Building Code'', Division B, Part 4: Subsection 4.1.7., ''Wind Loads'', and in consultation with other sections of the ''British Columbia Building Code'' as they pertain to the determination of ''Specified Wind Loads''.  Acceptance of a roof for a '''''RoofStar Guarantee''''' is predicated on the assumption that the ''Design Authority'' has performed Due Diligence with respect to ''Specified Wind Loads'' and has provided the ''Contractor'' with sufficient information to construct a ''roof system'' that complies with the Code.
 <li>All roof ''Waterproofing Systems'' shall consist of the following three zones, illustrated in '''Figure 3.1'''.

@@ Line 19: / Line 19: @@
 ==={{hilite | Intent || 2021-October-30 }}===
-{{hilite | In December 2018 the Province of British Columbia released a revised edition of the || 2021-October-30 }}[http://free.bcpublications.ca/civix/content/public/bcbc2018/?xsl=/templates/browse.xsl ''British Columbia Building Code''] {{hilite | (the "Code"), based on the 2015 ''National Building Code of Canada''.  The 2018 Code includes a considerable expansion of the requirements in ''Division B, Part 4'' (see|| 2021-October-30 }} [http://free.bcpublications.ca/civix/document/id/public/bcbc2018/bcbc_2018dbp4s41r2 ''4.1 Structural Loads and Procedures'']{{hilite |, '''4.1.7 Wind Load''') applicable to the loads exerted on a roof system by wind.  The careful reader will note that these Part 4 requirements apply to all Part 3 buildings and to some Part 9 structures|| 2021-October-30 }}.
+{{hilite | In December 2018 the Province of British Columbia released a revised edition of the|| 2021-October-30 }} [http://free.bcpublications.ca/civix/content/public/bcbc2018/?xsl=/templates/browse.xsl ''British Columbia Building Code''] {{hilite | (the "Code"), based on the 2015 ''National Building Code of Canada''.  The 2018 Code includes a considerable expansion of the requirements in ''Division B, Part 4'' (see|| 2021-October-30 }} [http://free.bcpublications.ca/civix/document/id/public/bcbc2018/bcbc_2018dbp4s41r2 ''4.1 Structural Loads and Procedures'']{{hilite |, '''4.1.7 Wind Load''') applicable to the loads exerted on a roof system by wind.  The careful reader will note that these Part 4 requirements apply to all Part 3 buildings and to some Part 9 structures|| 2021-October-30 }}.
 {{hilite | While the expansion of Part 4 addresses the calculation of dynamic wind loads experienced by a roof assembly, Part 5 (Environmental Separation) specifies how a roof system should be secured to resist ''Specified Wind Loads'' (see || 2021-October-30}} [http://free.bcpublications.ca/civix/document/id/public/bcbc2018/bcbc_2018dbp5s52 ''5.2 Loads and Procedures'']{{hilite |, ''5.2.2.2 Determination of Wind Load'')|| 2021-October-30 }}.

@@ Line 355: / Line 355: @@
 <li>{{hilite | plywood sheathing by at least 19 mm (3/4")|| 2021-October-30 }}.
 </li></ol>
-<li>{{hilite | into solid dimensional lumber or concrete by at least 25 mm (1")|| 2021-October-30 }}.
+<li>{{hilite | into solid dimensional lumber or concrete by at least 25 mm (1")|| 2021-October-30 }} ({{hilite | See '''Figure 3.5'''|| 2021-October-30 }}.  These Standards may be exceeded by the fastener manufacturer’s published requirements).
 </li></ol>
 <li>When mechanically attached membranes are installed together with new insulation, the insulation assembly {{hilite | (with or without an ''insulation overlay'')|| 2020-July-3 }} must be held in place independently from the membrane, with no fewer than four (4) fasteners per panel.
-<li>'''Table 3.3''' shows the minimum required number of fasteners, unless otherwise specified by a ''Tested Assembly'', an ''Assembly with Proven Past Performance'', or a custom-engineered assembly.  Also see the required patterns, displayed below the table:
+<li>'''Table 3.3''' shows the minimum required number of fasteners, unless otherwise specified by a ''Tested Assembly'', an ''Assembly with Proven Past Performance'', or a custom-engineered ''assembly''.  Also see the required patterns, displayed below the table:
 <ol>
 <li>Fasteners must be installed no more than 150 mm (6”) from panel corners, measured from each edge of the panel.
 <li>Fasteners used to secure boards from curling, or to secure boards at slope transitions, shall be in addition to the minimum number of fasteners and plates required by the patterns shown in '''Table 3.4'''.</li></ol>
 </li></ol>
-:{| class="wikitable" style="text-align: left; margin-left: 20pt; margin-right: auto; border: none;"
+</li></ol>
 |+ Table 3.3 RGC Mechanical Fastening (minimum requirements)
 |-
@@ Line 395: / Line 391: @@
 |-
 |}
-:{| class="wikitable" style="text-align: left; margin-left: 20pt; margin-right: auto; border: none;"
+:{| class="wikitable" style="text-align: left; margin-right: auto; border: none;"
 ! colspan="1" rowspan="1" style="width: 500px;vertical-align:top;text-align:left;"      |  1200mm x 1800mm (4’ x 6’)   ||   ||   ||
 |-
@@ Line 401: / Line 397: @@
 |-
 |}
-:{| class="wikitable" style="text-align: left; margin-left: 20pt; margin-right: auto; border: none;"
+:{| class="wikitable" style="text-align: left; margin-right: auto; border: none;"
 ! colspan="1" rowspan="1" style="width: 500px;vertical-align:top;text-align:left;"      |  1200mm x 1200mm (4’ x 4’)   ||   ||   ||
 |-
@@ Line 407: / Line 403: @@
 |-
 |}
-:{| class="wikitable" style="text-align: left; margin-left: 20pt; margin-right: auto; border: none;"
+:{| class="wikitable" style="text-align: left; margin-right: auto; border: none;"
 ! colspan="1" rowspan="1" style="width: 500px;vertical-align:top;text-align:left;"      |  900mm x 100mm (3’ x 4’)    ||   ||   ||
 |-
@@ Line 413: / Line 409: @@
 |-
 |}
-:{| class="wikitable" style="text-align: left; margin-left: 20pt; margin-right: auto; border: none;"
+:{| class="wikitable" style="text-align: left; margin-right: auto; border: none;"
 ! colspan="1" rowspan="1" style="width: 500px;vertical-align:top;text-align:left;"      |  600mm x 2400mm (2’ x 8’)    ||   ||   ||
 |-
@@ Line 419: / Line 415: @@
 |-
 |}
-:{| class="wikitable" style="text-align: left; margin-left: 20pt; margin-right: auto; border: none;"
+:{| class="wikitable" style="text-align: left; margin-right: auto; border: none;"
 ! colspan="1" rowspan="1" style="width: 500px;vertical-align:top;text-align:left;"      |   600mm x 1200mm (2’ x 4’)   ||   ||   ||
 |-
@@ Line 426: / Line 422: @@
 |}
-:{| class="wikitable" style="text-align: center; margin-left: 20pt; margin-right: auto; border: none;"
+:{| class="wikitable" style="text-align: left; margin-right: auto; border: none;"
 |+ Table 3.4 RGC Fastener pattern requirements for full-sized panels (Click on drawing to expand)
 ! colspan="3" rowspan="1" style="width: 500px;vertical-align:centre;text-align:center;background: #A9A9A9;"   |  1200mm x 2400mm (4’ x 8’)
@@ Line 443: / Line 439: @@
 |-
 |}
-:{| class="wikitable" style="text-align: center; margin-left: 20pt; margin-right: auto; border: none;"
+:{| class="wikitable" style="text-align: left; margin-right: auto; border: none;"
 ! colspan="3" rowspan="1" style="width: 500px;vertical-align:centre;text-align:center;background: #A9A9A9;"   |  1200mm x 1200mm (4’ x 4’)
 |-
@@ Line 454: / Line 450: @@
 |}
-:{| class="wikitable" style="text-align: center; margin-left: 20pt; margin-right: auto; border: none;"
+:{| class="wikitable" style="text-align: left; margin-right: auto; border: none;"
 |+ Table 3.5 RGC Fastener pattern requirements for partial panels (Click on drawing to expand)
 ! colspan="3" rowspan="1" style="width: 500px;vertical-align:centre;text-align:center;background: #A9A9A9;"   |  1200mm x 1800mm (4’ x 6’)
@@ Line 490: / Line 486: @@
 |}
-::NOTE: Fastener locations are for optimum uplift resistance. Fasteners may be located within 50 mm (2") of position shown in diagrams in any direction.
+::NOTE: Fastener locations are for optimum uplift resistance. Fasteners may be located within 50 mm (2"), in any direction, of positions shown in diagrams.
 =====<big><u>Adhesive Applied Materials</u></big>=====
 #<span class="principles">Adhesives may be used to secure new roofing materials to an existing ''roof system''</span>, provided the specific application procedures and methods are engineered by or for the ''Design Authority''.
 #Notwithstanding the above, the minimum requirements set out in '''7.3.2.4''' apply.

@@ Line 302: / Line 302: @@
 <ol>
 <li>the following minimum requirements, {{hilite | subject to the calculations for wind uplift resistance|| 2020-July-3 }}:
-<br>
+<li>the appropriate design derived from [http://rpm.rcabc.org/images/2/2f/Dupont_508.2_Ballast_Design_Guide_for_PMR_Systems_%282020-02%29.pdf '''Dupont Tech Solutions 508.2 Ballast Design Guide for PMR Systems'''].
-:::{| class="wikitable" style="text-align: left; margin-left: 20pt; margin-right: auto; border: none;"
+</li></ol>
 |+ Table 3.2 RGC Ballast Guide
 |-
@@ Line 323: / Line 332: @@
 |-
 |}
 ====Roofs Supporting an Overburden====

Template:Part 3 - PVC - Revision history

James Klassen: /* Roofs with Ballast or Overburdens */

James Klassen: /* General */

James Klassen at 16:16, 5 January 2022

James Klassen: /* General */

James Klassen: /* {{hilite | Intent || 2021-October-30 }} */

James Klassen: /* General */

James Klassen: /* Mechanically Fastened Materials */

James Klassen: /* Ballasted Roof Systems */

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