INTRODUCTION TO

DRAWING

PROJECT ONE (A)QUANTITY SURVEYING DRAWINGS

MS. ANNAPHILIA CHUAONG EU XUANTAN JIA YIADRIAN WIJAYADANIEL TIEW

INTRODUCTION TO PROJECT ONE (A)

• To study and investigate the use of the drawings as a means of communication

• To research on the types and function of drawings, stages and examples of drawings of a quantity surveyor used to communicate ideas and presentations.

WHAT IS A QUANTITY SURVEYOR?

A Quantity Surveyor is an expert in the art of costing a building at all its stages.

ROLES OF A QUANTITY SURVEYOR

• Estimate materials, time and labour costs.• Preparing, negotiating and analysing costs for tenders and contracts.

QUANTITY SURVEYING WORK PROCESS

1. FEASIBILITYAND

ESTIMATING

2. DESIGN

3. CONTRACT MANAGEMENT

4. CONSTRUCTION

QUANTITY SURVEYING DRAWINGS

BILLS OF QUANTITIES

• Describes the quality and quantity of work to be carried out during the construction stage.

PURPOSE OF BQ

• Provides a basis for valuation of variations to the work

• Provides good basis for cost analysis• Can be used by contractors

FORMATS OF BQ

• Elemental Bills• Trade Bills• Annotated Bills• Operational Bills• Activity Bills

ELEMENTAL BILLS

TRADE BILLS

EXAMPLES OF BILLS OF QUANTITIES

STAGES OF BQ PREPARATION

TAKING OFFTAKING OFF

SQUARINGSQUARING

ABSTRACTINGABSTRACTING

BILLINGBILLING

BILLING DIRECT

BILLING DIRECT

DEVELOPMENT OF THE STAGES

DRAWINGDRAWING DIMENSIONPAPER

DIMENSIONPAPER

BILLINGPAPER

BILLINGPAPER

BILL OF QUANTITIES

(BQ)

BILL OF QUANTITIES

(BQ)

TAKING OFF

SQUARING

DIRECT BILLING

CONTENTS OF BILL OF QUANTITIES

BILL NR. 1BILL NR. 1 PRELIMINARIESPRELIMINARIES

BILL NR. 2BILL NR. 2 PREAMBLESPREAMBLES

BILL NR. 3BILL NR. 3 MEASURED WORKSMEASURED WORKS

BILL NR. 4BILL NR. 4 PROVISIONAL QUANTITIESPROVISIONAL QUANTITIES

BILL NR. 5BILL NR. 5 PRIME COST & PROVISIONAL SUMPRIME COST & PROVISIONAL SUM

BILL NR. 6BILL NR. 6 CONTINGENCY SUMCONTINGENCY SUM

BILL NR. 7BILL NR. 7 GENERAL SUMMARYGENERAL SUMMARY

Mono-pitched roofPitched roof details

BILL NR. 3BILL NR. 3 MEASURED WORKSMEASURED WORKS

(a). Carcass – I.Foundations II.Frame III.External & Internal WallsIV.Partitions V.FloorsVI.Roofs

Example of an internal finishes schedule

(b). Finishing(c). External works (d). Spot items

Example of a door drawing

CONCLUSION

• A quantity surveyor plays an important role in the construction industry.

REFERENCES• Quantity Surveyor's Pocket Book (Second

Edition) by Duncan Cartlidge, published by Routledge Taylor & Francis Group, 2013

• Construction Quantity Surveying: A Practical Guide for the Contractor’s QS by Donald Towey, published by Wiley-Blackwell, 2012

• http://www.idealplanningdesign.co.uk/services/quantity-surveying

• http://www.nziqs.co.nz/about/whatis.html