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Production DrawingsProduction Drawings

• These are known as ‘These are known as ‘working working drawingsdrawings’ and are used for ’ and are used for the purpose of conveying the purpose of conveying precise constructional precise constructional information for:-information for:-

Obtaining approval by the Obtaining approval by the clientclient

Obtaining approval by Obtaining approval by planning and other authoritiesplanning and other authorities

Providing information Providing information regarding material regarding material requirementsrequirements

Obtaining tendersObtaining tenders Instructing the building Instructing the building

contractor and other contractor and other members of the building team members of the building team

• Working drawings are usually Working drawings are usually drawn in ink.drawn in ink.

• Modern drawings are now Modern drawings are now drawn by means of a drawn by means of a computer which produces computer which produces very accurate drawing much very accurate drawing much quicker than before.quicker than before.

• Each sheet of the Each sheet of the working drawings is working drawings is arranged and well arranged and well organised, for each organised, for each job. job.

• Drawings should be Drawings should be standard in size, and standard in size, and uniform in technique, uniform in technique, annotation, annotation, dimensioning, dimensioning, referencing etc.referencing etc.

• The working The working drawings can be drawings can be classified as:-classified as:- Location Location

DrawingsDrawings• Block plansBlock plans• Site plansSite plans• Location plansLocation plans

Component Component drawingsdrawings

Assembly Assembly drawingsdrawings

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Block PlansBlock Plans

These are used to identify the These are used to identify the site in relation to the site in relation to the surrounding areasurrounding area

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Block PlansBlock Plans

• The scale is usually 1:2500, 1:250 and is too The scale is usually 1:2500, 1:250 and is too small to allow much more than an outline of the small to allow much more than an outline of the site and boundaries, road layouts and the other site and boundaries, road layouts and the other buildings in the near vicinity.buildings in the near vicinity.

• The orientation of the site is always shown with a The orientation of the site is always shown with a suitable suitable logo depicting northlogo depicting north..

• The actual site should be outlined in red.The actual site should be outlined in red.

• It is not likely that dimensions would be added to It is not likely that dimensions would be added to these drawings.these drawings.

• Plans of this sort are usually based on Plans of this sort are usually based on the the Ordnance Survey sheetOrdnance Survey sheet for the area however, if for the area however, if such a source is used, permission should be such a source is used, permission should be obtained for its reproduction.obtained for its reproduction.

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Site PlansSite Plans

These are used to show the These are used to show the position of the proposed position of the proposed building on the site, together with information on building on the site, together with information on proposed road, drainage, and service layouts, and other proposed road, drainage, and service layouts, and other site information such as levels.site information such as levels.

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Site PlansSite Plans

• The orientation of the site should be shown.The orientation of the site should be shown.

• Scales of 1:500, 1:200 are often used.Scales of 1:500, 1:200 are often used.

• The information on this drawing is used by both the The information on this drawing is used by both the design team and the contractors.design team and the contractors.

• The drainage layout should be used in conjunction The drainage layout should be used in conjunction with the drainage schedule, which will give details of with the drainage schedule, which will give details of manhole construction, cover and invert levels, and manhole construction, cover and invert levels, and other relevant information.other relevant information.

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Location PlansLocation Plans

These are used to show the These are used to show the size and position of the size and position of the various rooms within the buildings and to position the various rooms within the buildings and to position the principle elements and componentsprinciple elements and components..

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ElevationsElevations

• Elevations consist of a Elevations consist of a series of views series of views of a building of a building or object.or object.

• The views are The views are front front elevation, side elevation elevation, side elevation and rear elevationand rear elevation..

• They are drawn to a scale They are drawn to a scale of 1:200, 1:100, 1: 50 of 1:200, 1:100, 1: 50 depending upon the detail depending upon the detail required.required.

• Elevations to scale of 1:200 Elevations to scale of 1:200 will not show as much detail will not show as much detail as elevations to a scale of as elevations to a scale of 1:50.1:50.

• Elevations show the Elevations show the building as a finished building as a finished building building from all directionsfrom all directions..

• These drawings have a These drawings have a limited amount of limited amount of information and dimensions information and dimensions on them, this must be on them, this must be obtained from other obtained from other drawings.drawings.

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PlansPlans

• These are cross These are cross sectional views of a sectional views of a building sowing the building sowing the position and size of all position and size of all rooms, toilets, rooms, toilets, bathrooms, entrances, bathrooms, entrances, the position of the position of windows etc.windows etc.

• It also shows the It also shows the circulation routes and circulation routes and overall character of overall character of the building.the building.

• These drawings are These drawings are drawn to a scale of drawn to a scale of 1:200, 1:100 and 1:50 1:200, 1:100 and 1:50 and usually match the and usually match the elevations in size.elevations in size.

• Because of this they Because of this they are still too small to are still too small to show much show much information or information or dimensions.dimensions.

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SectionsSections

• The sectional view of a building will The sectional view of a building will show detailsshow details which which otherwise would not be seen on the plans and elevations.otherwise would not be seen on the plans and elevations.

• These drawings can show These drawings can show a cross sectional viewa cross sectional view or a or a longitudinal view longitudinal view of the building and can display either a full of the building and can display either a full cross sectioncross section or a or a part cross sectionpart cross section..

• A full cross section will show the full height of the building A full cross section will show the full height of the building and its respective floor and ceiling levels.and its respective floor and ceiling levels.

• Depending on the scale chosen, information will be Depending on the scale chosen, information will be restricted to that which could not be found in other drawings.restricted to that which could not be found in other drawings.

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Component drawingsComponent drawings

• These are some times called These are some times called range drawingsrange drawings. These show . These show the basic sizes of standard components such as doors, the basic sizes of standard components such as doors, windows and kitchen fitments.windows and kitchen fitments.

• The scales most commonly used are The scales most commonly used are 1:100, 1: 50, 1: 201:100, 1: 50, 1: 20..• The drawing below shows a range of windows. These can be The drawing below shows a range of windows. These can be

obtained from any manufactures catalogue or from the obtained from any manufactures catalogue or from the working drawings.working drawings.

• All windows are referenced i.e. W1, W2, W3 etcAll windows are referenced i.e. W1, W2, W3 etc• These refer to the These refer to the working drawings and the window working drawings and the window

schedule.schedule.

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Detail drawingsDetail drawings

• These show all the relevant information that is required to These show all the relevant information that is required to manufacture various componentsmanufacture various components such as doors and such as doors and windows etcwindows etc

• These drawings will include every detail required to make the These drawings will include every detail required to make the product. product.

• The information from these details is used to manufacture The information from these details is used to manufacture various components.various components.

• These drawings are usually produced by the architect and These drawings are usually produced by the architect and are produced in scales ranging from 1:1, 1: 5, or 1:10.are produced in scales ranging from 1:1, 1: 5, or 1:10.

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Assembly drawingsAssembly drawings

• These drawings show in detailThese drawings show in detail the junction the junction between the between the various elements and components of a buildingvarious elements and components of a building

• These drawings are very important to the builder. They These drawings are very important to the builder. They show in detail how the architect requires the construction to show in detail how the architect requires the construction to be constructed and what materials should be used.be constructed and what materials should be used.

• The scales usually used for these drawings are 1:20, 1:10, The scales usually used for these drawings are 1:20, 1:10, and 1:5 and should be fully dimensioned and annotated.and 1:5 and should be fully dimensioned and annotated.