JKR/SIRIM 4:2021
Checklist
NO Description
Yes No
6. Housekeeping
a) The floors, walls, ceiling, equipment, fittings and fixtures,
furnishings, finishes and other surfaces are clean.
b) Internal and external of mechanical and electrical
equipment are clean.
c) AHUs room and ACMV parts and equipment (such as air
duct, AHU, filter, diffuser, etc.) is cleaned properly.
d) Above ceiling is cleaned properly.
7. Pest control
a) Bait stations or other pest control devices is appropriately
located inside and outside of the building, except AHU
room.
© JKR and SIRIM Berhad 2021 - All rights reserved 39
JKR/SIRIM 4:2021
Annex F
(informative)
Post-occupancy evaluation
PART A: GENERAL INFORMATION
1. Ministry/department
2. Building block/level
3. Name of department
4. Gender
Male
Female
5. Age
< 25 Years
25 - 39 Years
40 - 45 Years
45 - 55 Years
> 55 Years
6. Occupation/Designation:
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JKR/SIRIM 4:2021
PART B: WORKPLACE INFORMATION
7. Period of service in the current workplace.
< 1 Year
1 - 3 Years
3 - 5 Years
> 5 Years
8. The amount of time spent in a day in the workspace.
< 1 hour
1 - 5 hours
5 - 9 hours
> 9 hours
9. Workstation type
Enclosed room
Open concept
10. Please indicate how often you work requires you to use or be near to the following
equipment.
No. Item Everyday Scale Never
2-3 times
10.1 Printer machine Weekly
10.2 Photo copier machine
10.3 Video display unit/computer
10.4 Fax machine
11. Types of air conditioning used in the workspace 41
Centralised
Split unit
© JKR and SIRIM Berhad 2021 - All rights reserved
JKR/SIRIM 4:2021
12. Does your organisation display any policies related to indoor environmental quality?
Yes
No
PART C: INDOOR AIR QUALITY ASSESSMENT
1. Have you experienced the following discomfort at work in the past three (3) months?
No. Item YES, Scale NEVER
Often YES
a. High room temperature
b. Varying room temperature Sometimes
c. Low room temperature
d. Stuffy ‘bad air’
e. Dry air
f. Unpleasant odour
g. Passive smoking
h. Dust and dirt
2. Have you had asthma in the last one (1) year?
Yes
No
3. Have you ever had sinusitis in the last one (1) year?
Yes
No
4. Have you ever had eczema problem in the last one (1) year?
Yes
No
42 © JKR and SIRIM Berhad 2021 - All rights reserved
JKR/SIRIM 4:2021
5. Have you experienced any of the following symptoms at work in the last three (3)
months?
*** if your answer is ‘YES’ please answer questions in sections 6 and 7
Scale
No. Item YES, YES NEVER if YES, is it
Often Sometimes due to work
environment.
a. Headache
Feeling heavy
b. headed
c. Fatigue/lethargy
d. Dizziness
e. Drowsiness
f. Nausea/vomiting
g. Cough
h. Irritated, stuffy nose
i. Hoarse, dry throat
j. Skin rash/itchiness
k. Irritation of the eyes
l. Scaling/itching scalp
or ears
6. Is there any particular time of the day when the problem referred to in Q5 occurs?
Morning
Afternoons
No noticeable trend
7. When do you feel relieved of the problem referred to in Q5?
After I leave my workstation
After I leave the building
No noticeable trend
© JKR and SIRIM Berhad 2021 - All rights reserved 43
JKR/SIRIM 4:2021
8. What is your overall perception of the air quality and ventilation system at your
workplace in the last six months as a whole?
Very good
Good
Satisfying
Not good
Not very good
PART D: INTERNAL LIGHTING QUALITY ASSESSMENT
9. Do you find the indoor at your place of work to be glaring?
Yes
No
10. Do you find the outdoor lighting at your place of work to be glaring?
Yes
No
11. What is your overall perception of the lighting in your place of work in the last six
months?
Very good
Good
Satisfying
Not good
Not very good
PART E: ACOUSTIC QUALITY ASSESSMENT
12. Have you experienced noise discomfort contributed by mechanical equipment at your
workplace in the last three months?
Yes
No
44 © JKR and SIRIM Berhad 2021 - All rights reserved
JKR/SIRIM 4:2021
13. The length of time in a day you are exposed to noise in your workspace.
< 1 Hours
1 - 5 Hours
5 - 9 Hours
> 9 Hours
14. Do you have hearing problems contributed by noise disorder?
Yes
No
15. What is your overall perception of acoustic comfort in your workplace for the past six
months?
Very good
Good
Satisfying
Not good
Not very good
PART F: HOUSEKEEPING
1. Do you feel stuffy whenever chemical cleaning activity is done at your workplace?
Yes
No
2. Does your workstation is fitted with air freshener unit?
Yes
No
3. Does the building management handle the cleaning work while you are at workplace?
Yes
No
© JKR and SIRIM Berhad 2021 - All rights reserved 45
JKR/SIRIM 4:2021
4. What is your overall perception of the cleanliness in your workplace for the past six
months?
Very good
Good
Satisfying
Not good
Not very good
PART G: PEST CONTROL
1. Is there any pesticides/baits placed in your workspace?
Yes
No
2. Does the building management perform chemical pest control activities while you are
at workstation?
Yes
No
3. What is your overall perception of the pest control activities in your workplace for the
past six months?
Very good
Good
Satisfying
Not good
Not very good
46 © JKR and SIRIM Berhad 2021 - All rights reserved
JKR/SIRIM 4:2021
Bibliography
[1] JKR Guideline on the Prevention of Mould Growth in Buildings
[2] https://www.epa.gov/indoor-air-quality-iaq/introduction-indoor-air-quality
[3] Department of Occupational Safety and Health, Guidance Note on Ventilation and
Indoor Air Quality (IAQ) for Non-residential Setting During Covid-19 Pandemic, 2021
© JKR and SIRIM Berhad 2021 - All rights reserved 47
Acknowledgements
SIRIM Berhad would like to thank the members of the Project Committee on Indoor
Environmental Quality (IEQ) who have contributed their ideas, time and expertise in the
development of this standard.
Ir Zulkifli Abdul Rashad (Chairman) Jabatan Kerja Raya
Ms Nor Azian Duriat (Technical Secretary) SIRIM STS Sdn Bhd
Mr David Yap AECCOM
Mr Wan Mohd Zurin Wan Sapiansori Cawangan Alam Sekitar dan Kecekapan Tenaga,
Jabatan Kerja Raya
Dr Azlina Aziz Cawangan Arkitek, Jabatan Kerja Raya
Mr Mohd Ainor Yahya Cawangan Kejuruteraan Elektrik, Jabatan Kerja
Raya
Ir Zailani Nagin/ Cawangan Kejuruteraan Mekanikal, IPJKR
Ts Azrul Nizam Adenan/ Malaysia
Mr Muhammad Abdillah Alwi/
Ir Muhammad Fadzli Muhammad Saleh/ Department of Occupational Safety and Health
Ir Mohamed Fathul Hakimi Mohamed Hanan Institut Kimia Malaysia
Ir Mokhtar Sabtu
Dr Malarvili/ Jabatan Kimia Malaysia
Ts Dr Yeoh Beng Hoong
Mr Aidil Fahmi Shadan/ MASHRAE
Ms Zawiyah Zainal NIOSH
Ir Ng Yong Kong Pusat Kecemerlangan Kejuruteraan
Mr Nor Mohd Razif Noraini & Teknologi JKR (CREaTE)
Ir Dr Tn Suhaimi Salleh University Malaya
Ar Dr Mohd Firrdhaus Mohd Sahabuddin
© JKR and SIRIM Berhad 2021 - All rights reserved
© Copyright 2021
All rights reserved. Unless otherwise specified, no part of this standard may be reproduced or utilised in any form
or by any means, electronic or mechanical, including photocopying, recording or otherwise, without prior written
permission from Jabatan Kerja Raya and SIRIM Berhad.