Just in time - Revision history

ConSIG CWG at 09:55, 8 April 2021

2021-04-08T09:55:39Z

← Older revision		Revision as of 09:55, 8 April 2021
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	* Kanban.		* Kanban.
	* Lean construction.		* Lean construction.
		+	* Lean construction - a quality perspective.
	* Logistics management.		* Logistics management.
	* Off site materials.		* Off site materials.

Designing Buildings at 06:40, 30 November 2020

2020-11-30T06:40:36Z

← Older revision		Revision as of 06:40, 30 November 2020
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	* Time at large.		* Time at large.

−	[[Category:~~Organisations~~]] [[Category:~~DCN_Organisation~~]] [[Category:~~Theory~~]] [[Category:~~Construction_management~~]] [[Category:~~Products_/_components~~]] [[Category:~~DCN_Product_Knowledge~~]]	+	[[Category:DCN_Definition]] [[Category:DCN_Guidance]] [[Category:Organisations]] [[Category:Theory]] [[Category:Construction_management]] [[Category:Products_/_components]]

Editor at 11:03, 14 April 2020

2020-04-14T11:03:50Z

← Older revision		Revision as of 11:03, 14 April 2020
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	* Green supply chain management.		* Green supply chain management.
	* Integrated project delivery (IPD).		* Integrated project delivery (IPD).
		+	* Kanban.
	* Lean construction.		* Lean construction.
	* Logistics management.		* Logistics management.
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	* Time at large.		* Time at large.

−	[[Category:Organisations]] [[Category:Theory]] [[Category:Construction_management]] [[Category:Products_/_components]]	+	[[Category:Organisations]] [[Category:DCN_Organisation]] [[Category:Theory]] [[Category:Construction_management]] [[Category:Products_/_components]] [[Category:DCN_Product_Knowledge]]

Designing Buildings: moved Just-in-time manufacturing to Just in time

2020-02-25T16:25:21Z

moved Just-in-time manufacturing to Just in time

← Older revision

Revision as of 16:25, 25 February 2020

Designing Buildings at 16:23, 25 February 2020

2020-02-25T16:23:24Z

← Older revision		Revision as of 16:23, 25 February 2020
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	JIT in construction has also been referred to as ‘lean construction’ – an adaptation of lean production techniques.		JIT in construction has also been referred to as ‘lean construction’ – an adaptation of lean production techniques.
		+
		+	= Just in time delivery / logistics =
		+
		+	The BIM Overlay to the RIBA Outline Plan of Work, published by the RIBA in 2012 defined just in time (JIT) delivery, or just in time logistics as: '..receiving raw materials,<br />
		+	products and parts in the factory and then on site as they are needed, rather than days or even weeks before. This allows businesses to significantly cut inventory costs by having fewer unnecessary supplies on hand, and means they have far less material to store and handle. Where buffer stocks are considered necessary (e.g. as a result of a risk analysis), they are specified in terms of time periods linked to the assembly plan (e.g. one day of manufacturing).'

	= Related articles on Designing Buildings Wiki =		= Related articles on Designing Buildings Wiki =

Designing Buildings at 09:55, 28 February 2019

2019-02-28T09:55:21Z

← Older revision		Revision as of 09:55, 28 February 2019
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	= Introduction =		= Introduction =

−	Just-in-time (JIT) is a production and delivery system developed in Japan in the 1960s and 1970s that ensures materials and components are delivered from the manufacturer to the production site at exactly the right moment ~~in time~~ to enable immediate use in the production process.	+	Just-in-time (JIT) is a production and delivery system developed in Japan in the 1960s and 1970s that ensures materials and components are delivered from the manufacturer to the production site at exactly the right moment to enable immediate use in the production process.

−	~~= Developed~~ in ~~Japan =~~	+	The right materials are supplied in the right order, in the right amount at the right time. The deliveries tend to be regular and in small amounts. The process is also known as ‘Just-in-time production’ and the ‘Toyota Production System’. In recent years the term has been used synonymously with lean manufacturing.

−	The right materials are supplied in the right order, in the right amount at the right time. The deliveries tend to be regular and in small amounts. The process is also known as ‘Just-in-time production’ and the ‘Toyota Production System’. In recent years the term has been used synonymously with ‘lean manufacturing’.	+	JIT can be critical for some manufacturing processes (such as cars) as it greatly simplifies logistics: components are delivered directly to the production floor so manufacturers do not have to store or warehouse them (or else they only require minimal storage), thereby saving space, time and costs – and making for a more efficient process overall.
−		+
−	JIT can be critical for some manufacturing processes (eg cars) as it greatly simplifies logistics: components are delivered directly to the production floor so manufacturers do not have to store or warehouse ~~materials~~ (or else only require minimal storage), thereby saving space, time and costs – and making for a more efficient process overall.	+

	Known as a ‘pull’ process, the JIT concept was developed in Japan and is used by the Toyota car company which uses ‘Kanban’ (sign) boards for ordering parts: when a part has been used, the Kanban is taken off the packaging and sent back to the preceding process as an order for an additional item. This sign-based scheduling system signals the need to replenish the product and delivery and maintains production at an optimum level.		Known as a ‘pull’ process, the JIT concept was developed in Japan and is used by the Toyota car company which uses ‘Kanban’ (sign) boards for ordering parts: when a part has been used, the Kanban is taken off the packaging and sent back to the preceding process as an order for an additional item. This sign-based scheduling system signals the need to replenish the product and delivery and maintains production at an optimum level.

−	Drawbacks of the system are that it works best when production numbers are constant. Also, it is vital that every part fits as it is intended to first time round as there are no other parts available at that time. In addition, if a problem or minor disruption occurs in the supply chain, the manufacturer has no stocks to fall back on and could see production halt at ~~very~~ short notice.	+	Drawbacks of the system are that it works best when production numbers are constant. Also, it is vital that every part fits as it is intended to first time round as there are no other parts available at that time. In addition, if a problem or minor disruption occurs in the supply chain, the manufacturer has no stocks to fall back on and could see production halt at short notice.

	= Just-in-time in construction =		= Just-in-time in construction =

−	~~Materials~~ constitute a huge part of the construction process and it has been estimated that greater efficiencies in logistics can reduce ~~material~~ waste in construction by up to 35%. Many projects can benefit from JIT delivery and, given the congested nature of ~~many~~ construction sites, rewards similar to those seen in manufacturing industry may be ~~realised~~.	+	Products and materials constitute a huge part of the construction process and it has been estimated that greater efficiencies in logistics can reduce waste in construction by up to 35%. Many projects can benefit from JIT delivery and, given the often congested nature of construction sites, rewards similar to those seen in manufacturing industry may be possible.

	A prime example is ready-mixed concrete: the perishable nature of this material means that having been mixed to the customer’s exact specification, it must be delivered at the right time, in the right quantity (and at the right specification) to allow pouring before setting takes place. Another example is windows or glazed cladding panels, where on-site storage would necessitate extensive inventory facilities and potential risks of product damage.		A prime example is ready-mixed concrete: the perishable nature of this material means that having been mixed to the customer’s exact specification, it must be delivered at the right time, in the right quantity (and at the right specification) to allow pouring before setting takes place. Another example is windows or glazed cladding panels, where on-site storage would necessitate extensive inventory facilities and potential risks of product damage.
Line 32:		Line 30:
	* Lean construction.		* Lean construction.
	* Logistics management.		* Logistics management.
		+	* Off site materials.
		+	* Flying factory.
	* Mean lean green.		* Mean lean green.
	* Regularly and diligently.		* Regularly and diligently.

Editor at 16:51, 22 February 2019

2019-02-22T16:51:57Z

← Older revision		Revision as of 16:51, 22 February 2019
Line 36:		Line 36:
	* Site storage.		* Site storage.
	* Time at large.		* Time at large.
		+
		+	[[Category:Organisations]] [[Category:Theory]] [[Category:Construction_management]] [[Category:Products_/_components]]

Editor at 16:51, 22 February 2019

2019-02-22T16:51:24Z

← Older revision		Revision as of 16:51, 22 February 2019
Line 11:		Line 11:
	Known as a ‘pull’ process, the JIT concept was developed in Japan and is used by the Toyota car company which uses ‘Kanban’ (sign) boards for ordering parts: when a part has been used, the Kanban is taken off the packaging and sent back to the preceding process as an order for an additional item. This sign-based scheduling system signals the need to replenish the product and delivery and maintains production at an optimum level.		Known as a ‘pull’ process, the JIT concept was developed in Japan and is used by the Toyota car company which uses ‘Kanban’ (sign) boards for ordering parts: when a part has been used, the Kanban is taken off the packaging and sent back to the preceding process as an order for an additional item. This sign-based scheduling system signals the need to replenish the product and delivery and maintains production at an optimum level.

−	Drawbacks of the system are that it works best when production numbers are constant. Also, it is vital that every part fits as it is intended to first time round as there are no other parts available at that time. ~~Also~~, if a problem or minor disruption occurs in the supply chain, the manufacturer has no stocks to fall back on and could see production halt at very short notice.	+	Drawbacks of the system are that it works best when production numbers are constant. Also, it is vital that every part fits as it is intended to first time round as there are no other parts available at that time. In addition, if a problem or minor disruption occurs in the supply chain, the manufacturer has no stocks to fall back on and could see production halt at very short notice.

	= Just-in-time in construction =		= Just-in-time in construction =

−	Materials constitute a huge part of the construction process and it has been estimated that greater efficiencies in logistics can reduce material waste in construction by up to 35%. Many projects can benefit from JIT delivery ~~systems~~ and, given the congested nature of many construction sites, rewards similar to those seen in manufacturing industry may be realised.	+	Materials constitute a huge part of the construction process and it has been estimated that greater efficiencies in logistics can reduce material waste in construction by up to 35%. Many projects can benefit from JIT delivery and, given the congested nature of many construction sites, rewards similar to those seen in manufacturing industry may be realised.

	A prime example is ready-mixed concrete: the perishable nature of this material means that having been mixed to the customer’s exact specification, it must be delivered at the right time, in the right quantity (and at the right specification) to allow pouring before setting takes place. Another example is windows or glazed cladding panels, where on-site storage would necessitate extensive inventory facilities and potential risks of product damage.		A prime example is ready-mixed concrete: the perishable nature of this material means that having been mixed to the customer’s exact specification, it must be delivered at the right time, in the right quantity (and at the right specification) to allow pouring before setting takes place. Another example is windows or glazed cladding panels, where on-site storage would necessitate extensive inventory facilities and potential risks of product damage.

Editor: Created page with "= Introduction = Just-in-time (JIT) is a production and delivery system developed in Japan in the 1960s and 1970s that ensures materials and components are delivered from the ma..."

2019-02-22T16:35:51Z

Created page with "= Introduction = Just-in-time (JIT) is a production and delivery system developed in Japan in the 1960s and 1970s that ensures materials and components are delivered from the ma..."

New page

= Introduction =

Just-in-time (JIT) is a production and delivery system developed in Japan in the 1960s and 1970s that ensures materials and components are delivered from the manufacturer to the production site at exactly the right moment in time to enable immediate use in the production process.

= Developed in Japan =

The right materials are supplied in the right order, in the right amount at the right time. The deliveries tend to be regular and in small amounts. The process is also known as ‘Just-in-time production’ and the ‘Toyota Production System’. In recent years the term has been used synonymously with ‘lean manufacturing’.

JIT can be critical for some manufacturing processes (eg cars) as it greatly simplifies logistics: components are delivered directly to the production floor so manufacturers do not have to store or warehouse materials (or else only require minimal storage), thereby saving space, time and costs – and making for a more efficient process overall.

Known as a ‘pull’ process, the JIT concept was developed in Japan and is used by the Toyota car company which uses ‘Kanban’ (sign) boards for ordering parts: when a part has been used, the Kanban is taken off the packaging and sent back to the preceding process as an order for an additional item. This sign-based scheduling system signals the need to replenish the product and delivery and maintains production at an optimum level.

Drawbacks of the system are that it works best when production numbers are constant. Also, it is vital that every part fits as it is intended to first time round as there are no other parts available at that time. Also, if a problem or minor disruption occurs in the supply chain, the manufacturer has no stocks to fall back on and could see production halt at very short notice.

= Just-in-time in construction =

Materials constitute a huge part of the construction process and it has been estimated that greater efficiencies in logistics can reduce material waste in construction by up to 35%. Many projects can benefit from JIT delivery systems and, given the congested nature of many construction sites, rewards similar to those seen in manufacturing industry may be realised.

A prime example is ready-mixed concrete: the perishable nature of this material means that having been mixed to the customer’s exact specification, it must be delivered at the right time, in the right quantity (and at the right specification) to allow pouring before setting takes place. Another example is windows or glazed cladding panels, where on-site storage would necessitate extensive inventory facilities and potential risks of product damage.

JIT in construction has also been referred to as ‘lean construction’ – an adaptation of lean production techniques.

= Related articles on Designing Buildings Wiki =

* Time of the essence in construction contracts
* Advanced manufacturing.
* Block planning.
* Design for Manufacture and Assembly (DfMA).
* Egan report.
* Green supply chain management.
* Integrated project delivery (IPD).
* Lean construction.
* Logistics management.
* Mean lean green.
* Regularly and diligently.
* Site storage.
* Time at large.