Overheating - assessment protocol - Revision history

Designing Buildings at 07:52, 11 December 2020

2020-12-11T07:52:24Z

← Older revision		Revision as of 07:52, 11 December 2020
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	* Urban heat island		* Urban heat island

−	[[Category:~~Organisations~~]] [[Category:~~DCN_Organisation~~]] [[Category:~~Theory~~]] [[Category:~~Health_and_safety_/_CDM~~]] [[Category:~~Standards_~~/~~_measurements~~]] [[Category:~~DCN_Standard~~]]	+	[[Category:DCN_Definition]] [[Category:DCN_Standard]] [[Category:Organisations]] [[Category:Theory]] [[Category:Health_and_safety_/_CDM]] [[Category:Standards_/_measurements]]

Designing Buildings at 07:22, 14 June 2020

2020-06-14T07:22:49Z

← Older revision		Revision as of 07:22, 14 June 2020
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	= Related articles on Designing Buildings Wiki =		= Related articles on Designing Buildings Wiki =

		+	* Better prediction of overheating in new homes.
	* Comfort in low energy buildings.		* Comfort in low energy buildings.
	* Cool roofs		* Cool roofs
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	* Urban heat island		* Urban heat island

−	[[Category:Organisations]] [[Category:Theory]] [[Category:Health_and_safety_/_CDM]] [[Category:Standards_/_measurements]]	+	[[Category:Organisations]] [[Category:DCN_Organisation]] [[Category:Theory]] [[Category:Health_and_safety_/_CDM]] [[Category:Standards_/_measurements]] [[Category:DCN_Standard]]

Designing Buildings at 07:26, 12 May 2019

2019-05-12T07:26:58Z

← Older revision		Revision as of 07:26, 12 May 2019
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	As well as the survey, the visit should include a second interview. As before, this could include occupants' knowledge about precautionary behaviour. It should also cover any perception of changes to light and noise they may have experienced as a result of any adaptations		As well as the survey, the visit should include a second interview. As before, this could include occupants' knowledge about precautionary behaviour. It should also cover any perception of changes to light and noise they may have experienced as a result of any adaptations

−	~~-----~~
	--[[User:BRE_Buzz\|BRE Buzz]]		--[[User:BRE_Buzz\|BRE Buzz]]

−	= ~~<br />~~	+	= Related articles on Designing Buildings Wiki =
−	~~[[User:BRE_Buzz\|BRE_Buzz]]~~Related articles on Designing Buildings Wiki =	+

	* Comfort in low energy buildings.		* Comfort in low energy buildings.

Designing Buildings at 07:26, 12 May 2019

2019-05-12T07:26:22Z

← Older revision		Revision as of 07:26, 12 May 2019
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	{\|		{\|
−	\|'The terms “left” and “right” refer to the left hand side and right hand side of the dwelling when inside and facing the main access door.'	+	\| 'The terms “left” and “right” refer to the left hand side and right hand side of the dwelling when inside and facing the main access door.'
	\|}		\|}

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	{\|		{\|
−	\|~~width="25%"\|~~	+	\|
−	~~\|width="25%"~~\|Class of Harm Weightings	+
−	~~\|width="25%"~~\|Likelihood	+	\| Class of Harm Weightings
−	~~\|width="25%"~~\|Spread of Harms (%)	+	\| Likelihood
		+	\| Spread of Harms (%)
	\|-		\|-
−	\|SI =	+	\| SI =
−	\|10,000 x	+	\| 10,000 x
−	\|1 L x	+	\| 1 L x
−	\|31.0	+	\| 31.0
	\|-		\|-
−	\|SII =	+	\| SII =
−	\|1,000 x	+	\| 1,000 x
−	\|1 L x	+	\| 1 L x
−	\|8.0	+	\| 8.0
	\|-		\|-
−	\|SIII =	+	\| SIII =
−	\|300 x	+	\| 300 x
−	\|1 L x	+	\| 1 L x
−	\|25.0	+	\| 25.0
	\|-		\|-
−	\|SIV =	+	\| SIV =
−	\|10 x	+	\| 10 x
−	\|1 L x	+	\| 1 L x
−	\|36.0	+	\| 36.0
	\|}		\|}
−
−

	=== Hazard score = (SI + SII + SIII + SIV) ===		=== Hazard score = (SI + SII + SIII + SIV) ===
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	{\|		{\|
−	\|RELEVANT MATTER	+	\| RELEVANT MATTER
−	\|POSSIBLE DIRECT OPTION	+	\| POSSIBLE DIRECT OPTION
	\|-		\|-
−	\|a) In an urban heat island	+	\| a) In an urban heat island
−	\|None	+	\| None
	\|-		\|-
−	\|b) On top floor of an apartment block	+	\| b) On top floor of an apartment block
−	\|Additional insulation over apartment, and possibly reflective finish if a flat roof	+	\| Additional insulation over apartment, and possibly reflective finish if a flat roof
	\|-		\|-
−	\|c) At ground level or adjacent to access balcony in an apartment block	+	\| c) At ground level or adjacent to access balcony in an apartment block
−	\|None	+	\| None
	\|-		\|-
−	\|d) Adjacent to busy road, railway lines, industrial plants or airport	+	\| d) Adjacent to busy road, railway lines, industrial plants or airport
−	\|None	+	\| None
	\|-		\|-
−	\|e) Windows facing south through to west	+	\| e) Windows facing south through to west
−	\|Awnings, blinds, or shutters, preferably external	+	\| Awnings, blinds, or shutters, preferably external
	\|-		\|-
−	\|f) Poor thermal insulation	+	\| f) Poor thermal insulation
−	\|Provide additional thermal insulation – to roof space (or see (b) above) and cavity or external to walls	+	\| Provide additional thermal insulation – to roof space (or see (b) above) and cavity or external to walls
	\|-		\|-
−	\|g) Highly insulated and relatively air-tight	+	\| g) Highly insulated and relatively air-tight
−	\|Provision of appropriate means for ventilation	+	\| Provision of appropriate means for ventilation
	\|-		\|-
−	\|h) High thermal mass	+	\| h) High thermal mass
−	\|Provision of appropriate means for night-time ventilation	+	\| Provision of appropriate means for night-time ventilation
	\|-		\|-
−	\|i) Single aspect dwelling facing south through to west (a dwelling where all the rooms and windows face one direction)	+	\| i) Single aspect dwelling facing south through to west (a dwelling where all the rooms and windows face one direction)
−	\|Provision of appropriate means for night-time ventilation	+	\| Provision of appropriate means for night-time ventilation
	\|-		\|-
−	\|j) Un-insulated internal heat sources	+	\| j) Un-insulated internal heat sources
−	\|Provide insulation	+	\| Provide insulation
	\|}		\|}
−
−

	For matters (a), (c) and (d), where it is not practical to deal directly with the problem, other options which include the provision of some form of passive ventilation should be considered first, with air conditioning as the last resort. Similarly for matters (g), (h), and (i) some form of passive ventilation should be considered first, with air conditioning as the last resort. For matter (a) it may be possible to reduce the threat by the provision of greenery around dwellings.		For matters (a), (c) and (d), where it is not practical to deal directly with the problem, other options which include the provision of some form of passive ventilation should be considered first, with air conditioning as the last resort. Similarly for matters (g), (h), and (i) some form of passive ventilation should be considered first, with air conditioning as the last resort. For matter (a) it may be possible to reduce the threat by the provision of greenery around dwellings.
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	-----		-----
−	~~<br />~~	+	--[[User:BRE_Buzz\|BRE Buzz]]
−	--[[User:BRE_Buzz\|BRE Buzz]]	+
−		+
−	~~= Find out more =~~	+

−	=== Related articles on Designing Buildings Wiki ===	+	= <br />
		+	[[User:BRE_Buzz\|BRE_Buzz]]Related articles on Designing Buildings Wiki =

	* Comfort in low energy buildings.		* Comfort in low energy buildings.
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	* Heat stress.		* Heat stress.
	* Heating.		* Heating.
		+	* Home Quality Mark high temperature reporting tool.
	* Overheating.		* Overheating.
	* Overheating in residential properties.		* Overheating in residential properties.

Editor at 15:27, 18 December 2017

2017-12-18T15:27:42Z

← Older revision		Revision as of 15:27, 18 December 2017
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	# Determining the appropriate action.		# Determining the appropriate action.
	# Monitoring whether the action has been taken and, if so, the effectiveness of that action.		# Monitoring whether the action has been taken and, if so, the effectiveness of that action.
−
−

	== Step 1 – Relevant matters ==		== Step 1 – Relevant matters ==
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	* Windows to rooms to first floor or above – allowing night-time purge ventilation.		* Windows to rooms to first floor or above – allowing night-time purge ventilation.
	* Air conditioning – reducing internal ambient temperatures.		* Air conditioning – reducing internal ambient temperatures.
−
−

	== Step 2 – Assessing (scoring/rating) the hazard ==		== Step 2 – Assessing (scoring/rating) the hazard ==
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	There should be an interview with the occupier(s) to assess whether they are potentially susceptible, conducted immediately after the survey and first assessment. This should include questions about their perception of thermal comfort during the winter, the summer, and the transition seasons and also whether they are isolated from friends and/ or relatives who may be able to provide assistance when required. The interview should also canvas their knowledge on precautionary behaviour in the event of a heat wave or overheating.		There should be an interview with the occupier(s) to assess whether they are potentially susceptible, conducted immediately after the survey and first assessment. This should include questions about their perception of thermal comfort during the winter, the summer, and the transition seasons and also whether they are isolated from friends and/ or relatives who may be able to provide assistance when required. The interview should also canvas their knowledge on precautionary behaviour in the event of a heat wave or overheating.
−
−

	== Step 3 – Determining the appropriate actions and recommendations ==		== Step 3 – Determining the appropriate actions and recommendations ==
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	Finally, where external works are proposed, it will be necessary to determine whether consent is needed (i.e. is planning consent necessary?).		Finally, where external works are proposed, it will be necessary to determine whether consent is needed (i.e. is planning consent necessary?).
−
−

	== Step 4 – Monitoring whether the actions were taken and the recommendations followed, and the effectiveness of the actions and the recommendations ==		== Step 4 – Monitoring whether the actions were taken and the recommendations followed, and the effectiveness of the actions and the recommendations ==
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	-----		-----
−		+	<br />
−		+	--[[User:BRE_Buzz\|BRE Buzz]]
−	--[[User:BRE_Buzz\|BRE Buzz]]	+

	= Find out more =		= Find out more =
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	* Heating.		* Heating.
	* Overheating.		* Overheating.
		+	* Overheating in residential properties.
	* Preventing overheating.		* Preventing overheating.
	* Temperature.		* Temperature.

Editor at 15:01, 4 July 2016

2016-07-04T15:01:55Z

← Older revision		Revision as of 15:01, 4 July 2016
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	-----		-----
−	This article was originally published by BRE Buzz in June 2016. It was written by Andy Dengel. You can see the original article [http://brebuzz.net/2016/06/06/guidance-to-help-combat-the-challenges-of-overheating-in-dwellings/ here].	+

	--[[User:BRE_Buzz\|BRE Buzz]]		--[[User:BRE_Buzz\|BRE Buzz]]

Editor at 15:01, 4 July 2016

2016-07-04T15:01:38Z

← Older revision		Revision as of 15:01, 4 July 2016
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		+	This article has been extracted from the assessment protocol for Overheating in Dwellings, originally published on [http://brebuzz.net/2016/06/06/guidance-to-help-combat-the-challenges-of-overheating-in-dwellings/ BRE Buzz] in June 2016. Reproduced with kind permission of BRE.
		+
		+	It was written by:
		+
		+	* Andy Dengel (BRE)
		+	* Mich Swainson (BRE)
		+	* David Ormandy (Warwick Medical School, University of Warwick – BRE Trust Research Fellow)
		+	* Véronique Ezratty (Service des Etudes Médicales, EDF, Levallois-Perret, France)
		+
		+	You can download the full document [http://brebuzz.net/2016/06/06/guidance-to-help-combat-the-challenges-of-overheating-in-dwellings/ here].
		+
	= Introduction =		= Introduction =

Designing Buildings: Reverted edits by Designing Buildings (talk) to last revision by Editor

2016-07-04T14:56:39Z

Reverted edits by Designing Buildings (talk) to last revision by Editor

Designing Buildings at 14:50, 4 July 2016

2016-07-04T14:50:43Z

Editor at 10:31, 4 July 2016

2016-07-04T10:31:13Z

Show changes

← Older revision		Revision as of 14:56, 4 July 2016
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	= Introduction =		= Introduction =

−	This assessment protocol is intended to provide a process ~~that can~~ be used to determine the seriousness of a potential threat to health from exposure to high temperatures within a dwelling. It also provides guidance on preventative measures, both on the adaptation of the dwelling and precautionary behaviour.	+	This assessment protocol is intended to provide a process to be used to determine the seriousness of a potential threat to health from exposure to high temperatures within a dwelling. It also provides guidance on preventative measures, both on the adaptation of the dwelling and precautionary behaviour.

	= Survey of the dwelling =		= Survey of the dwelling =
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	The primary aim of any survey is to collect information on the design, construction, layout, state of repair, facilities, and deficiencies.		The primary aim of any survey is to collect information on the design, construction, layout, state of repair, facilities, and deficiencies.

−	Although the main purpose of this survey is for the assessment of the susceptibility of the dwelling to excessive high indoor temperatures, it may be that problems or deficiencies emerge that require action to remove other potential threats to health and/or safety.	+	Although the main purpose of this survey is for the assessment of the susceptibility of the dwelling to excessive high indoor temperatures, it may be that problems or deficiencies may emerge that require action to remove other potential threats to health and/or safety.

−	As action (against the owner and/or occupier) may result from the survey it is important that the it should be carried out methodically, accurately and thoroughly. It is the collection of evidence to justify any action (or inaction). Any report based on the survey should provide a clear picture of the dwelling and its condition to anyone reading it.	+	As action (against the owner and/or occupier) may result from the survey it is important that the survey should be carried out methodically, accurately and thoroughly. It is the collection of evidence to justify any action (or inaction). Any report based on the survey should provide a clear picture of the dwelling and its condition to anyone reading it.

−	While the survey should be as thorough and accurate as possible, there are several restrictions on the surveyor. It is likely to be carried out without detailed information ~~about~~ the materials used in the construction or any alterations that may have been carried out. It is likely to be carried out without destructive investigations that could be the only means of identifying the cause of a problem; and without being able to move or remove furniture, furnishings and fittings. The survey will be a 'snapshot', and it may be made on a cold and wet day in winter, or a warm and dry day in summer. All these factors should be taken into account during the survey and in any report.	+	While the survey should be as thorough and accurate as possible, there are several restrictions on the surveyor. It is likely to be carried out without detailed information on the materials used in the construction and of any alterations that may have been carried out since the original construction. It is likely to be carried out without destructive investigations that could be the only means of identifying the cause of a problem; and without being able to move or remove furniture, furnishings and fittings. The survey will be a 'snapshot', and it may be made on a cold and wet day in winter, or a warm and dry day in summer. All these factors should be taken into account during the survey and in any report.

	Any survey should record the following basic information:		Any survey should record the following basic information:
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	* Names, ages, and gender of the members of the household.		* Names, ages, and gender of the members of the household.
	* Length of time in occupation.		* Length of time in occupation.
−	* Prevailing weather conditions when the survey was undertaken and, if possible, a line about the preceding 3 to 4 days (hot, windy, sunny, etc.), information which is usually available from local or national meteorological web-sites.	+	* Prevailing weather conditions when the survey was undertaken and, if possible, a line about the preceding 3~4 days (hot, windy, sunny, etc.), information which is usually available from local or national meteorological web-sites. There should be a sketch-plan of the layout of the dwelling, and photographs of elevations will be useful.
−	* There should be a sketch-plan of the layout of the dwelling, and photographs of elevations will be useful.	+

	= Description of the dwelling =		= Description of the dwelling =

−	Any description of the dwelling should be clear, and should include the type of dwelling and an estimate of when it was originally constructed (and/or rehabilitated). The number of storeys should be given, and where there is a basement or attic it may be clearer to state the number of other storeys and then state 'plus basement' or 'plus attic'. The direction faced by the front of the dwelling (the elevation facing the road or main access) should be stated, and the site and location should be described.	+	Any description of the dwelling should be clear, and should include the type of dwelling and an estimate of when it was originally constructed (and/or rehabilitated). The number of storeys should be given; and where there is a basement or attic it may be clearer to state the number of other storeys and then state 'plus basement' or 'plus attic'. The direction faced by the front of the dwelling (the elevation facing the road or main access) should be stated, and the site and location should be described.

	The form of construction should be described. In some cases this will be obvious, but in others it will not be as the external facing can hide the main form of construction. The form of the roof should be described, and the type of floors and windows should be stated. This should be followed by details of the rooms, of the provision for ventilation, of any provision for cooling, and finally of the provision for space and water heating. If available, details of certificates of tests of the electrical and gas installations and appliances should be checked.		The form of construction should be described. In some cases this will be obvious, but in others it will not be as the external facing can hide the main form of construction. The form of the roof should be described, and the type of floors and windows should be stated. This should be followed by details of the rooms, of the provision for ventilation, of any provision for cooling, and finally of the provision for space and water heating. If available, details of certificates of tests of the electrical and gas installations and appliances should be checked.

← Older revision		Revision as of 14:50, 4 July 2016
Line 1:		Line 1:
	= Introduction =		= Introduction =

−	This assessment protocol is intended to provide a process to be used to determine the seriousness of a potential threat to health from exposure to high temperatures within a dwelling. It also provides guidance on preventative measures, both on the adaptation of the dwelling and precautionary behaviour.	+	This assessment protocol is intended to provide a process that can be used to determine the seriousness of a potential threat to health from exposure to high temperatures within a dwelling. It also provides guidance on preventative measures, both on the adaptation of the dwelling and precautionary behaviour.

	= Survey of the dwelling =		= Survey of the dwelling =
Line 9:		Line 9:
	The primary aim of any survey is to collect information on the design, construction, layout, state of repair, facilities, and deficiencies.		The primary aim of any survey is to collect information on the design, construction, layout, state of repair, facilities, and deficiencies.

−	Although the main purpose of this survey is for the assessment of the susceptibility of the dwelling to excessive high indoor temperatures, it may be that problems or deficiencies ~~may~~ emerge that require action to remove other potential threats to health and/or safety.	+	Although the main purpose of this survey is for the assessment of the susceptibility of the dwelling to excessive high indoor temperatures, it may be that problems or deficiencies emerge that require action to remove other potential threats to health and/or safety.

−	As action (against the owner and/or occupier) may result from the survey it is important that the ~~survey~~ should be carried out methodically, accurately and thoroughly. It is the collection of evidence to justify any action (or inaction). Any report based on the survey should provide a clear picture of the dwelling and its condition to anyone reading it.	+	As action (against the owner and/or occupier) may result from the survey it is important that the it should be carried out methodically, accurately and thoroughly. It is the collection of evidence to justify any action (or inaction). Any report based on the survey should provide a clear picture of the dwelling and its condition to anyone reading it.

−	While the survey should be as thorough and accurate as possible, there are several restrictions on the surveyor. It is likely to be carried out without detailed information on the materials used in the construction ~~and of~~ any alterations that may have been carried out ~~since the original construction~~. It is likely to be carried out without destructive investigations that could be the only means of identifying the cause of a problem; and without being able to move or remove furniture, furnishings and fittings. The survey will be a 'snapshot', and it may be made on a cold and wet day in winter, or a warm and dry day in summer. All these factors should be taken into account during the survey and in any report.	+	While the survey should be as thorough and accurate as possible, there are several restrictions on the surveyor. It is likely to be carried out without detailed information about the materials used in the construction or any alterations that may have been carried out. It is likely to be carried out without destructive investigations that could be the only means of identifying the cause of a problem; and without being able to move or remove furniture, furnishings and fittings. The survey will be a 'snapshot', and it may be made on a cold and wet day in winter, or a warm and dry day in summer. All these factors should be taken into account during the survey and in any report.

	Any survey should record the following basic information:		Any survey should record the following basic information:
Line 24:		Line 24:
	* Names, ages, and gender of the members of the household.		* Names, ages, and gender of the members of the household.
	* Length of time in occupation.		* Length of time in occupation.
−	* Prevailing weather conditions when the survey was undertaken and, if possible, a line about the preceding 3~4 days (hot, windy, sunny, etc.), information which is usually available from local or national meteorological web-sites. There should be a sketch-plan of the layout of the dwelling, and photographs of elevations will be useful.	+	* Prevailing weather conditions when the survey was undertaken and, if possible, a line about the preceding 3 to 4 days (hot, windy, sunny, etc.), information which is usually available from local or national meteorological web-sites.
		+	* There should be a sketch-plan of the layout of the dwelling, and photographs of elevations will be useful.

	= Description of the dwelling =		= Description of the dwelling =

−	Any description of the dwelling should be clear, and should include the type of dwelling and an estimate of when it was originally constructed (and/or rehabilitated). The number of storeys should be given; and where there is a basement or attic it may be clearer to state the number of other storeys and then state 'plus basement' or 'plus attic'. The direction faced by the front of the dwelling (the elevation facing the road or main access) should be stated, and the site and location should be described.	+	Any description of the dwelling should be clear, and should include the type of dwelling and an estimate of when it was originally constructed (and/or rehabilitated). The number of storeys should be given, and where there is a basement or attic it may be clearer to state the number of other storeys and then state 'plus basement' or 'plus attic'. The direction faced by the front of the dwelling (the elevation facing the road or main access) should be stated, and the site and location should be described.

	The form of construction should be described. In some cases this will be obvious, but in others it will not be as the external facing can hide the main form of construction. The form of the roof should be described, and the type of floors and windows should be stated. This should be followed by details of the rooms, of the provision for ventilation, of any provision for cooling, and finally of the provision for space and water heating. If available, details of certificates of tests of the electrical and gas installations and appliances should be checked.		The form of construction should be described. In some cases this will be obvious, but in others it will not be as the external facing can hide the main form of construction. The form of the roof should be described, and the type of floors and windows should be stated. This should be followed by details of the rooms, of the provision for ventilation, of any provision for cooling, and finally of the provision for space and water heating. If available, details of certificates of tests of the electrical and gas installations and appliances should be checked.