Plumbing Design Guide - Revision history

Marcin: /* Design Checklist */

2025-12-10T23:50:57Z

Design Checklist

← Older revision		Revision as of 23:50, 10 December 2025
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	[https://docs.google.com/presentation/d/1F-Pltbbghy9A2x_G2oS0PVD0W4ONW1qF-rl7eVkrk1M/edit#slide=id.gc2f0617872_0_102 edit]		[https://docs.google.com/presentation/d/1F-Pltbbghy9A2x_G2oS0PVD0W4ONW1qF-rl7eVkrk1M/edit#slide=id.gc2f0617872_0_102 edit]

	=Design ~~Checklist~~=		=Drain Design=
	*'''Pressure test valves, cleanouts, sizes and types of pipes for each main group, well-illustrated - [https://www.iccsafe.org/wp-content/uploads/errata_central/9211S.pdf]. Ex - washer fixture drain must empty into a 3" horiz or vert.		*'''Pressure test valves, cleanouts, sizes and types of pipes for each main group, well-illustrated - [https://www.iccsafe.org/wp-content/uploads/errata_central/9211S.pdf]. Ex - washer fixture drain must empty into a 3" horiz or vert.
	*This is useful:		*This is useful:

Marcin: /* SH7 Design Guide */

2025-12-10T14:05:41Z

SH7 Design Guide

← Older revision		Revision as of 14:05, 10 December 2025
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	Vents next to traps are allowed only a limited length. You must reach a dry stack to be 'home free'. The dry stack can be any length - it is effectively as if the appliance is connected to the outside. The purpose of traps is to trap odor, the purpose of vents is to prevent water from being siphoned out of the trap.		Vents next to traps are allowed only a limited length. You must reach a dry stack to be 'home free'. The dry stack can be any length - it is effectively as if the appliance is connected to the outside. The purpose of traps is to trap odor, the purpose of vents is to prevent water from being siphoned out of the trap.

	=SH7 Design Guide=		=SH7 Plumbing Design Guide=
	*Shower is 31.5" wide		*Study the layout - [https://docs.google.com/presentation/d/1ze61chProYdNDnC5Q7xCx283QmyARcUHXUF9RRuQWb0/edit?slide=id.g388523fc7c7_1_4#slide=id.g388523fc7c7_1_4]
	*Toilet must be a minimum of 15" from shower		*Study the build cheatsheet for plumbing - [https://docs.google.com/presentation/d/1ze61chProYdNDnC5Q7xCx283QmyARcUHXUF9RRuQWb0/edit?slide=id.g37c96d6f85e_1_76#slide=id.g37c96d6f85e_1_76]
			*Examine as-built pictures from SH6 for build detail - [https://photos.app.goo.gl/ZaUEVicoQrqKo6fG8]
			*Shower is 31.5" wide, fits full width of bathroom
			*Toilet center of drain - must be a minimum of 15" from shower and vanity
			*Toilet center of drain - must be 12" from wall behind toilet
			*Vanity and shower drains go up from floor
			*Shower drain must have allowance for p-trap under tubs/showers
			*P-traps for sinks are inside the vanity (above floor)
	*Vanity is 61" long		*Vanity is 61" long
	*Place plumbing in middle of vanity		*Place plumbing in middle of vanity
	*Offset shower drain from center (16") to the side, to 24" from wall edge of tub		*Offset shower drain from center (16") to the side, to 24" from wall edge of tub
	*Examine pictures from SH6 for build detail - [https://photos.app.goo.gl/ZaUEVicoQrqKo6fG8]
	*Start with 2" drain for kitchen sink		*Start with 2" drain for kitchen sink
	*Transition to 3" for bathrooms after Shower 1		*Transition to 3" for bathrooms after Shower 1

Marcin: /* Concept */

2025-12-10T13:59:56Z

Concept

← Older revision		Revision as of 13:59, 10 December 2025
Line 4:		Line 4:

	Vents next to traps are allowed only a limited length. You must reach a dry stack to be 'home free'. The dry stack can be any length - it is effectively as if the appliance is connected to the outside. The purpose of traps is to trap odor, the purpose of vents is to prevent water from being siphoned out of the trap.		Vents next to traps are allowed only a limited length. You must reach a dry stack to be 'home free'. The dry stack can be any length - it is effectively as if the appliance is connected to the outside. The purpose of traps is to trap odor, the purpose of vents is to prevent water from being siphoned out of the trap.

			=SH7 Design Guide=
			*Shower is 31.5" wide
			*Toilet must be a minimum of 15" from shower
			*Vanity is 61" long
			*Place plumbing in middle of vanity
			*Offset shower drain from center (16") to the side, to 24" from wall edge of tub
			*Examine pictures from SH6 for build detail - [https://photos.app.goo.gl/ZaUEVicoQrqKo6fG8]
			*Start with 2" drain for kitchen sink
			*Transition to 3" for bathrooms after Shower 1

	=Working Doc=		=Working Doc=

Marcin: /* Design Checklist */

2024-05-08T23:52:23Z

Design Checklist

← Older revision		Revision as of 23:52, 8 May 2024
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	*'''Pressure test valves, cleanouts, sizes and types of pipes for each main group, well-illustrated - [https://www.iccsafe.org/wp-content/uploads/errata_central/9211S.pdf]. Ex - washer fixture drain must empty into a 3" horiz or vert.		*'''Pressure test valves, cleanouts, sizes and types of pipes for each main group, well-illustrated - [https://www.iccsafe.org/wp-content/uploads/errata_central/9211S.pdf]. Ex - washer fixture drain must empty into a 3" horiz or vert.
	*This is useful:		*This is useful:
	**Note that quarter bend is not same as vent elbow.

	[[File:turns.png\|200px]]		[[File:turns.png\|200px]]
			**Note that quarter bend is not same as vent elbow.

	=Cleanouts=		=Cleanouts=

Marcin: /* Design Checklist */

2024-05-08T23:52:11Z

Design Checklist

← Older revision		Revision as of 23:52, 8 May 2024
Line 13:		Line 13:
	*'''Pressure test valves, cleanouts, sizes and types of pipes for each main group, well-illustrated - [https://www.iccsafe.org/wp-content/uploads/errata_central/9211S.pdf]. Ex - washer fixture drain must empty into a 3" horiz or vert.		*'''Pressure test valves, cleanouts, sizes and types of pipes for each main group, well-illustrated - [https://www.iccsafe.org/wp-content/uploads/errata_central/9211S.pdf]. Ex - washer fixture drain must empty into a 3" horiz or vert.
	*This is useful:		*This is useful:
			**Note that quarter bend is not same as vent elbow.

	[[File:turns.png\|200px]]		[[File:turns.png\|200px]]
	**Note that quarter bend is not same as vent elbow.

	=Cleanouts=		=Cleanouts=

Marcin: /* Design Checklist */

2024-05-08T23:51:57Z

Design Checklist

← Older revision		Revision as of 23:51, 8 May 2024
Line 15:		Line 15:

	[[File:turns.png\|200px]]		[[File:turns.png\|200px]]
			**Note that quarter bend is not same as vent elbow.

	=Cleanouts=		=Cleanouts=

Marcin: /* Design */

2024-03-11T01:54:29Z

Design

← Older revision		Revision as of 01:54, 11 March 2024
Line 25:		Line 25:

	=Design=		=Design=
	*Heater drain pan drain size minimum 3/4" - [https://docs.google.com/presentation/d/1Ahs02Qxyprzoiu1zv76kwfKg78MSKjO6be-TdyM1r-U/edit#slide=id.g12059e65849_1_115]. Note: '''can drain pan ~~may~~ be avoided if AHJ approves direct discharge of T-P valve into indirect drain?'''		*Heater drain pan drain size minimum 3/4" - [https://docs.google.com/presentation/d/1Ahs02Qxyprzoiu1zv76kwfKg78MSKjO6be-TdyM1r-U/edit#slide=id.g12059e65849_1_115]. Note: '''can drain pan be avoided if AHJ approves direct discharge of T-P valve into indirect drain?'''
	*Washer standpipe height - no more than 30" above trap weir, no less than 18 [https://www.google.com/search?sca_esv=5821ba678cbe793b&q=washer+standpipe+height&tbm=isch&source=lnms&sa=X&ved=2ahUKEwjn15Xe7uqEAxVDL9AFHRj6CnAQ0pQJegQIDBAB&biw=1536&bih=720&dpr=1.25#imgrc=QjKNahLqd_mrSM]		*Washer standpipe height - no more than 30" above trap weir, no less than 18 [https://www.google.com/search?sca_esv=5821ba678cbe793b&q=washer+standpipe+height&tbm=isch&source=lnms&sa=X&ved=2ahUKEwjn15Xe7uqEAxVDL9AFHRj6CnAQ0pQJegQIDBAB&biw=1536&bih=720&dpr=1.25#imgrc=QjKNahLqd_mrSM]
	*Wye is not allowed in venting, only sanitary tee. [http://www.plumbingpros.com/pdf/dwvents.pdf]. This applies to the main stack connection for second floor of SEH.		*Wye is not allowed in venting, only sanitary tee. [http://www.plumbingpros.com/pdf/dwvents.pdf]. This applies to the main stack connection for second floor of SEH.

Marcin: /* Design */

2024-03-11T01:54:12Z

Design

← Older revision		Revision as of 01:54, 11 March 2024
Line 25:		Line 25:

	=Design=		=Design=
	*Heater drain pan drain size minimum 3/4" - [https://docs.google.com/presentation/d/1Ahs02Qxyprzoiu1zv76kwfKg78MSKjO6be-TdyM1r-U/edit#slide=id.g12059e65849_1_115]		*Heater drain pan drain size minimum 3/4" - [https://docs.google.com/presentation/d/1Ahs02Qxyprzoiu1zv76kwfKg78MSKjO6be-TdyM1r-U/edit#slide=id.g12059e65849_1_115]. Note: '''can drain pan may be avoided if AHJ approves direct discharge of T-P valve into indirect drain?'''
	*Washer standpipe height - no more than 30" above trap weir, no less than 18 [https://www.google.com/search?sca_esv=5821ba678cbe793b&q=washer+standpipe+height&tbm=isch&source=lnms&sa=X&ved=2ahUKEwjn15Xe7uqEAxVDL9AFHRj6CnAQ0pQJegQIDBAB&biw=1536&bih=720&dpr=1.25#imgrc=QjKNahLqd_mrSM]		*Washer standpipe height - no more than 30" above trap weir, no less than 18 [https://www.google.com/search?sca_esv=5821ba678cbe793b&q=washer+standpipe+height&tbm=isch&source=lnms&sa=X&ved=2ahUKEwjn15Xe7uqEAxVDL9AFHRj6CnAQ0pQJegQIDBAB&biw=1536&bih=720&dpr=1.25#imgrc=QjKNahLqd_mrSM]
	*Wye is not allowed in venting, only sanitary tee. [http://www.plumbingpros.com/pdf/dwvents.pdf]. This applies to the main stack connection for second floor of SEH.		*Wye is not allowed in venting, only sanitary tee. [http://www.plumbingpros.com/pdf/dwvents.pdf]. This applies to the main stack connection for second floor of SEH.

Marcin: /* Design */

2024-03-11T00:31:46Z

Design

← Older revision		Revision as of 00:31, 11 March 2024
Line 25:		Line 25:

	=Design=		=Design=
			*Heater drain pan drain size minimum 3/4" - [https://docs.google.com/presentation/d/1Ahs02Qxyprzoiu1zv76kwfKg78MSKjO6be-TdyM1r-U/edit#slide=id.g12059e65849_1_115]
	*Washer standpipe height - no more than 30" above trap weir, no less than 18 [https://www.google.com/search?sca_esv=5821ba678cbe793b&q=washer+standpipe+height&tbm=isch&source=lnms&sa=X&ved=2ahUKEwjn15Xe7uqEAxVDL9AFHRj6CnAQ0pQJegQIDBAB&biw=1536&bih=720&dpr=1.25#imgrc=QjKNahLqd_mrSM]		*Washer standpipe height - no more than 30" above trap weir, no less than 18 [https://www.google.com/search?sca_esv=5821ba678cbe793b&q=washer+standpipe+height&tbm=isch&source=lnms&sa=X&ved=2ahUKEwjn15Xe7uqEAxVDL9AFHRj6CnAQ0pQJegQIDBAB&biw=1536&bih=720&dpr=1.25#imgrc=QjKNahLqd_mrSM]
	*Wye is not allowed in venting, only sanitary tee. [http://www.plumbingpros.com/pdf/dwvents.pdf]. This applies to the main stack connection for second floor of SEH.		*Wye is not allowed in venting, only sanitary tee. [http://www.plumbingpros.com/pdf/dwvents.pdf]. This applies to the main stack connection for second floor of SEH.

Marcin: /* Design */

2024-03-11T00:08:06Z

Design

← Older revision		Revision as of 00:08, 11 March 2024
Line 25:		Line 25:

	=Design=		=Design=
			*Washer standpipe height - no more than 30" above trap weir, no less than 18 [https://www.google.com/search?sca_esv=5821ba678cbe793b&q=washer+standpipe+height&tbm=isch&source=lnms&sa=X&ved=2ahUKEwjn15Xe7uqEAxVDL9AFHRj6CnAQ0pQJegQIDBAB&biw=1536&bih=720&dpr=1.25#imgrc=QjKNahLqd_mrSM]
	*Wye is not allowed in venting, only sanitary tee. [http://www.plumbingpros.com/pdf/dwvents.pdf]. This applies to the main stack connection for second floor of SEH.		*Wye is not allowed in venting, only sanitary tee. [http://www.plumbingpros.com/pdf/dwvents.pdf]. This applies to the main stack connection for second floor of SEH.
	*Vertical may not count in developed length when considering horizontal developed length - [https://up.codes/s/length-of-horizontal-branches]		*Vertical may not count in developed length when considering horizontal developed length - [https://up.codes/s/length-of-horizontal-branches]