Measurement

Question 1

GIA includes and excludes:

Answer 1

includes columns, lift wells, mezzanines with permanent access, loading bays

excludes fire escapes, covered walkways and canopies

Question 1

What is RICS Professional Statement: RICS Property Measurement 2nd Edition 2018?

Answer 1

Introduced mandatory IPMS to offices and residential to avoid inconsistencies in measurement definitions across the globe.

Question 2

General process of measurement and calculation in professional statement Property Measurement 2018

Answer 2

1. Date when measurement undertaken.
2. Measuring methodology adopted.
3. Conversion factor from metric/imperial and rounding.
4. Measurements and calculations clearly adopted.
5. Record RICS member responsible to clarify measurements.
6. Includes details of acceptable tolerances.

Question 3

What is IPMS? Why introduced?

Answer 3

International Property Measurement Standards.
A single measurement system to avoid irregularities in measurement practices across different countries.

Question 4

Would you ever not use IPMS?

Answer 4

Should the client choose not to follow IPMS, Code of Measuring Practice 2015 can continue to be used

Question 5

What are the different bases of measurement?

Answer 5

NIA, GIA, GEA

Question 6

What is NIA? What is it used to measure? Inclusions and exclusions?

Answer 6

Net Internal Area – used for offices and shops.

Includes anything within the useable area – Atria with clear height and reception areas (if not common), kitchens, built in cupboards, ramps, non-structural walls, perimeter trunking

Excludes stairwells, areas less than 1.5m in height, common areas, toilets, unusable area (face to face dimension less than 25cm), plant room

Question 7

What is GIA? What is it used to measure? Inclusions and exclusions?

Answer 7

Gross Internal Area – used for industrial / retail warehousing.
Includes columns, lift wells, mezzanines, loading bays.
Excludes canopies, fire escapes.
Ancillary offices measured GIA.

Question 8

What is GEA? What is it used to measure? Inclusions and exclusions?

Answer 8

Gross external area, used for council tax valuations and build cost estimates.
Includes everything in and includes the building envelope.

Question 9

What experience do you have in measuring residential properties?

Answer 9

I have not measured residential properties however I am aware that you would measure them on an NIA basis.

Question 10

What measuring tools have you used? What others are there?

Answer 10

Used a distometer, could also use a tape measure/rod

Question 11

What are the benefits and limitations of different measuring tools?

Answer 11

Disto - quick easy to use, but may not be calibrated.
tape measure - exact, can take longer to measure. May not be long enough.
trundle wheel - can measure perimeters, not good for internal areas.

Question 12

How do you ensure the accuracy of a distometer? What is the accuracy?

Answer 12

Measure a known distance.
accurate within 1.5mm up to 200m

Question 13

how often serviced/calibrated?

Answer 13

serviced once a year by manufacturer.

Question 14

What is IDF

Answer 14

The finished surface comprising of more than 50% of floor to ceiling height each wall section.

Question 15

What are the differences between IPMS 3 and NIA?

Answer 15

1.5m, IDF, columns included, covered balconies/galleries included if for single tenant.

Question 16

What scales would you commonly see in drawings

Answer 16

1:100 in building plan.
1:1250 land reg plan
1:2500 location plan.

Question 17

Why only check measurements

Answer 17

If building has already been measured, ensure previous measurement’s accuracy

Question 18

What is a reasonable tolerance?

Answer 18

depends on size of unit. Generally if taking check measurements it is 2/3%

Question 19

Why did you cross check with plans provided by the client

Answer 19

Ensure the measured survey is correct.