Learning out comesunit 202 types of drawings

• The learner will be able.• Define the purpose of different drawings used

in construction.• Identify the different scales used on each

drawing.• Analyse the information given on each drawing.• Create a floor plan drawing of their own

property or choice.

Document security

All information is important to the success of completing a building project and the smooth and safe running of a site.

Some documents contain sensitive information and need to be keptSecure under the data protection act. Such as?

National insurance numbers of employees.AddressesContract information

Other documents such as drawings should also be kept secure, how is this achieved ?in a cabinet in a locked office.Why is this ?

This is so that a permanent record of what is happening and what has to be done can be managed and that documents are not misplaced.

Tendering for a jobWhat does this mean?

When a builder puts forward a price to complete the work project.

What are the documents required to put forward a tender?

Working drawings. These consist of,Block plans, site plans, general location drawings.Component drawings, range drawings, detail drawings.

Assembly drawings .Schedules. specification.Bill of quantities.

Contract documents

Block plan.

what information can you get by looking at this plan?

Identifies the proposed site using a birds eye view of the area.

Indicates the names of roads

Shows the north point.

The scale used for this type of drawing?

North

1:2500, 1:1250

Site plans

Site plans give the position of the proposed building and the general layout of?

Roads, services, drainage and distances.

The scale used for this type of drawing ? 1:200

Footprint of Proposed building

Specification, schedule and work programmeTo much information put onto a drawing will make it very difficult to readso in conjunction with these drawings, the above information is supplied with the drawings. Give a description of the following terms and how this can help organise a site.Specification or ‘spec’

Schedule

Work programme

Shows what work is being carried out and when. Allows advance planning (order materials and tradesmen) and to track progression

Bill of quantities.Gives complete cost of all materials and labour based on the specification

Produced to go with the drawings and used to show information that cannot be shown on the drawing.Such as: workmanshipQuality of work..finish, any restrictions that apply..nominated suppliers

Used to record repeated design information, such as doors, windows, ironmongery

These are read in conjunction with range drawings and floor plans.

They will indicate ?

type of door required?

size of door,

material door is made from.

Infill in door.

Other schedules used are for?

Windows.Ironmongery.Sanitary ware.

Schedules (door)

Typical example of a work programme, this is showing how the workIs progressing and if the work is going to plan

When planning a bar chart ,you should build in safe guards to allow for delays such as?

Work programme

x x

x x

x x x

x x

x xx

Bad weatherMaterial delay

Labour shortage

Component range drawings• These are drawings that show?• The different range of sizes and finishes that can be

obtained from a particular manufacturer and can cover most materials.

The scales used to show these are? 1:100 – 1:50 – 1:20

Assembly or detail drawings

These show how components?

Go together.

And how?

The finished item should look.

The scale used on these is 1:10 – 1:5 – 1:1

Title panels• Every drawing must have a title panel, this is located in the bottom right

hand corner and contains information such as?

• Drawing title• Draughtsman's name• Drawing/project number• company name • scale used• date of drawing• Projection type• Job/project title• Revision notes

Upper floor plan

This shows the ? The layout of the rooms, windows and doors,Also the way the stairs go

Types of projection• There are many types of projection, the most common are front ,rear, and

side elevation, ( normally states the compass point, north, east etc.• There is also plan elevation, what we would see if we were looking down

on it.

Task. draw a plan view of the ground floor of your own home, show door openingsand windows, produce a door and window schedule to accompany the drawing.