Difference between revisions of "SBS 11.3.2.2-1 Cast Iron Drains"

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Difference between revisions of "SBS 11.3.2.2-1 Cast Iron Drains"

(Created page with "File:10.3.6.1.jpg === WORK INCLUDED === (1) <b>Gypsum Overlay Board: </b>If required by design authority. (2) <b>Vapour Retarder</b>: If required by design authority. (...")
 
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{{Template:RPM Info}}
  
=== WORK INCLUDED ===
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(1) <b>Gypsum Overlay Board: </b>If required by design authority.
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(2) <b>Vapour Retarder</b>: If required by design authority.
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<big><big>Division D - Construction Details</big></big>
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<big><big><big><big><big>SBS | Cast Iron Drain ([[SBS_Roof_Systems_Standard#11.3.3.2._General_Requirements_for_Cast-iron_Roof_Drains | Article 11.3.3.2.]])</big></big></big></big></big>
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<div class="panel-heading"><big>'''SBS Details'''</big></div>
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[[File:10.3.6.1.jpg | link=http://rpm.rcabc.org/images/6/6a/10.3.6.1.jpg | class=img-responsive]]
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(3) <b>Insulation:</b> See list of accepted materials in Section 2.2.
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=== WORK INCLUDED ===
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;(1) [[SBS Roof Systems Standard#PART_5|'''Supporting Deck Overlay''']]: If required by design authority.
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;(2) [[SBS Roof Systems Standard#PART_6|'''Air or Vapour Control Layers''']]: If required by design authority.
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;(3) [[SBS Roof Systems Standard#PART_7|'''Insulation''']]: Mechanically fastened. See available insulation products in the [[Roof Deck Insulation|'''Accepted Materials''']] section of this Manual.
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;(4) [[SBS Roof Systems Standard#PART_8|'''Insulation Overlay''']]: Asphalt adhered or mechanically fastened. Two layers required over heat-sensitive insulation.
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;(5) [[SBS Roof Systems Standard#PART_9|'''Primary Membrane''']] and [[SBS Roof Systems Standard#PART_9| '''Membrane Protection''']]
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;(6) '''Mastic''':  As approved by manufacturer.
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;(7) [[SBS Roof Systems Standard#PART_10|'''Base Membrane Flashing''']]: As approved by membrane manufacturer (See (C) below).
  
(4) <b>Insulation Overlay</b>: Where required. See <i>RGC Guarantee Standard B4.1, B4.2 </i>and<i> C4.1</i>
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<hr>
 
 
(5) <b>Primary Membrane and Membrane Protection</b>
 
 
 
(6) <b>Mastic:</b>  As approved by manufacturer.
 
 
 
(7)<b> </b><b>Membrane Flashing:</b> As approved by membrane manufacturer (See (C) below).
 
  
 
=== RELATED WORK BY OTHERS ===
 
=== RELATED WORK BY OTHERS ===
(A) <b>Acceptable Deck</b>
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;(A) [[SBS Roof Systems Standard#PART_2|'''Acceptable Supporting Deck Structure''']]
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;(B) [[SBS Roof Systems Standard#PART_11|'''Roof Drain Assembly''']]
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;(C) '''Lead Flashing''': Minimum 15 kg / m&#178; (3 lb / ft&#178;) weight lead sheet; flange extending minimum 25 mm (1") into bowl to 150 mm (6") beyond perimeter of drain; embed in mastic (6) and prime top surface where required by manufacturer or minimum 1 m x 1 m (39" x 39") 3 mm thick modified bituminous base sheet; to be supplied by trade supplying roof drain. For optional installation methods that use a membrane flashing in place of lead, see the Application requirements under [[SBS Roof Systems Standard#PART_11|'''11.3.2.2 Cast-iron Roof Drains''']].
  
(B) <b>Roof Drain Assembly</b>
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* Leader size is determined by using the calculation found in the BC Building Code at Appendix P.7.4.10 and Section 7.4.10.11 (Section 7.4.10.10 for gutters)(current edition) in conjunction with the 15-minute rainfall value from the National Building Code, Appendix C.
 
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(C) <b>Lead Flashing:</b> Minimum 15 kg / m&#178; (3 lb / ft&#178;) weight lead sheet; flange extending minimum 25 mm (1") into bowl to 150 mm (6") beyond perimeter of drain; embed in mastic (6) and prime top surface where required by manufacturer or minimum 1 m x 1 m (39" x 39") 3 mm thick modified bituminous base sheet; to be supplied by trade supplying roof drain. For asphalt and gravel built-up systems <u>only</u>.
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;NOTE:
 
*Refer to <i>RGC Guarantee Standards</i> for additional requirements
 
* Leader size is determined by using the calculation found in the BC Building Code at Appendix P.7.4.10 and Section 7.4.10.11 (Section 7.4.10.10 for gutters) in conjunction with the 15-minute rainfall value from the National Building Code, Appendix C.
 
 
 
:'''NOTE''': Refer to <i>RGC Guarantee Standards</i> for additional requirements.
 
  
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'''NOTE''': See the [[SBS Roof Systems Standard | '''Standard''']] for additional requirements.
  
 
<hr>
 
<hr>
  
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Revision as of 17:42, 27 June 2022



Division D - Construction Details


SBS | Cast Iron Drain ( Article 11.3.3.2.)

Notice to Reader
Images used in a Construction Detail are representative and not prescriptive, and are not necessarily drawn to scale. They are intended to support the related Standard (Ref. Division A, Article 2.2.1.2.).

The reader may link to the related Article in the detail title, or link to the Standard as it relates to a specific element in the detail. All hyperlinks are displayed blue text.

SBS Details

10.3.6.1.jpg

1 WORK INCLUDED

(1) Supporting Deck Overlay
If required by design authority.
(2) Air or Vapour Control Layers
If required by design authority.
(3) Insulation
Mechanically fastened. See available insulation products in the Accepted Materials section of this Manual.
(4) Insulation Overlay
Asphalt adhered or mechanically fastened. Two layers required over heat-sensitive insulation.
(5) Primary Membrane and Membrane Protection
(6) Mastic
As approved by manufacturer.
(7) Base Membrane Flashing
As approved by membrane manufacturer (See (C) below).

2 RELATED WORK BY OTHERS

(A) Acceptable Supporting Deck Structure
(B) Roof Drain Assembly
(C) Lead Flashing
Minimum 15 kg / m² (3 lb / ft²) weight lead sheet; flange extending minimum 25 mm (1") into bowl to 150 mm (6") beyond perimeter of drain; embed in mastic (6) and prime top surface where required by manufacturer or minimum 1 m x 1 m (39" x 39") 3 mm thick modified bituminous base sheet; to be supplied by trade supplying roof drain. For optional installation methods that use a membrane flashing in place of lead, see the Application requirements under 11.3.2.2 Cast-iron Roof Drains.
  • Leader size is determined by using the calculation found in the BC Building Code at Appendix P.7.4.10 and Section 7.4.10.11 (Section 7.4.10.10 for gutters)(current edition) in conjunction with the 15-minute rainfall value from the National Building Code, Appendix C.

NOTE: See the Standard for additional requirements.


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