Measurement

Question 1

How do you calibrate your measuring tape & why?

Answer 1

• against a steel ruler
• check calibration records and add mine

Errors occur when:
- tape stretches over time / under tension
- markings fade over time / human error

Question 2

How can measurement impact valuation?

Answer 2

Measurement bases yield different figures for the same space

If a rate/m2 is applied, then whether internal walls/columns are included could impact the value

Question 3

What needs to be included on measurement reports?

Answer 3

• Date of measurement
• Method
• Measurement basis
• Plan with reference and scale
• Units
• Accuracy tolerance
• Name of surveyor

Question 4

How are measuring standards governed within the RICS?

Answer 4

Code of measuring practise 2015
- bases of measurement for all buildings except office/residual e.g. retail, industrial

RICS Property Measurement 2018
- bases of measurement for offices & residual property.

Question 5

What are the core definitions in the Code of Measuring Practise 2015?

Answer 5

GEA - Gross External Area

GIA - Gross Internal Area

NIA - Net Internal Area

Question 6

Tell me about IPMS

Answer 6

International Property Measurement Standards (2023)

Seeks to harmonise standards for measuring all building types

Question 7

What is the accuracy of a Trimble GPS device?

Answer 7

• Up to 2.5cm accuracy
• Does depend on the location
• Tolerance is displayed on the screen