Roll No -36Ig.
rayati Amo) kambie - 3G19
EXPERIMENT No: 1
1.0 Title:
Conduct illumination assessment in work place by using luxmeter
2.0 Prior Concepts:
Illumination measurement
method,
Illumination level at different locations
New Concepts:
Proposition 1:
IIlumination assessment is a method and careful examination of the lighting condition in the
work environment.
The purpose of illumination assessment
is:
Identify the potential hazard arising from work activity under current lighting condition in
the Work place
Evaluate the risk
condition.
Decide whether improvementin lighting
Learning Objectives:
Intellectual skiils:
condition at different location
Understand the use of illumination
locations
Understand the illumination at different
Motor skills:
place and record the observation.
Ability to measure the illumination level for different work
for specified work place condition.
Ability to handle luxmeter
Resources required
Name of resources Specification Quantity
Sr. No.
Lux Meter
o- 2000lLor
lDigital
6.0 Diagram
X
1
X
divided squres.
aasurement at the centres of 16 equally
Fig 8:Luminance
Major
Task Area
each 4 equally
Luminance measuromentfor writing desk at the
centre of
Fig 9:
divided areas of the major task area.
clAss
10cm
20cm
Fig10:Luminance measurement for computer with
two measurements at the
Keyboards andtwo others on thetop
of the screen
7.0Stepwise
Procedure:
Light is defined as visually
evaluated radiant energy
person to see. A person has always which stimulates
human's eyes and enables
sought to counterthe
artificial light Good influence of the darkness
lighting plays
an importantrole by creating
person to perform in
their work safeguarding health at
comfortablyand work by enabling
appropriate level of the efficiently.
light falling Accordinglv there
strong glare at workplace where
should be
and light persons are
flickering in their working.
field of Excessive contrast,
vision
IDivide
the work should also be
areainto appropriate.
number of small
2.Set
arca which
the area should be as
under nearly square
square luxmeter. observation into aspossble
Small Square
and
measure
3.Measure illuminance at
centre of
each
illuminance at task
position in
Notethe visually-demanding task/
following points
while work place.
activities
I measuring
Illuminance illuminance at
measurement task
specified should be position
plane for taken at the
the task
above the the height of
floor,
measurement work plane.
should be In case
taken at a there is no
2.The
light horizontal plane
sensor of at
plane.
the
luxmeter
around 0.8m
should be
placed on
the
workplanewhich
is a
horizontal
if the object is vertical.
should be placed vertically
3. The light sensor of the luxmeter
of the four cqually
at the centre of cach
measurement
4. For writing
desk of a counter, take
area
divided area of the measured task
20cm apart
position
the keyboard
5. For computer workstationtake two measurements points at
and two others on the top of the screen 10cm apart.
to have more precis
range of the luxmeter as appropriate
6. Select the lowest measurement
reading.
close to walls or obstructions.
should not be too
7.The measurementpoints
artificial lighting only.
while assessing
be shielded by blinds or curtains
8. Daylight should
8.0Actual Procedure followed.
9.0 Precautions followed.
10.0 Observations:
Illuminance (Lux)
Sr.No. Work Place
Workshop 600
2 Office 250
3 Laboratory 429
4 Library 458
for confirmation of learning:
11.0Questions
What are the advantages of illumination assessment?
1.
SPrevent..£atiquedStrn.on.eyes..
-2).Praviss.ligkt..in..sOmical..ngnoet...
3).cregt...plea sant..atmosphee..
2.What doyou mean by appropriate level of illumination?
nor...imkoc.. the..equite
.Neithe0o..bright, athes.lighl
aaxk..its... .balanted..in.elatian..to..
Sau.cCes.
affecting illumination?
3.What are the factors
P..O£.ligh...
shada..
a)..klickein..ete....
4. What is the risk ofpoor illumination at workplace?
JEatzu.
2Headache,..
.Eye.stain.etc.
12.0 Conclusion:
Student should write the conclusion.
Asto gbseruat",resul the reuitec
gTeater than Present
ilumiti illumiotionleuel is
13.0 Practical
ion icrel 6o we haue to
related Questions the illuminat b increa
level
Writeanswers to Q (The question numbers to be allotted by teacher to cach student)
1. Define poor levcl of
illumination at work place.
2. What is the cffect of strong
glare at work place?
3. What is the effect of
light
flickering at work place?
4. How natural
illumination is
shielded vwhile
measuring
5. What is
artificial
illumination
the role of
good lighting
scheme?
6. Compare
observed
illumination level
Office/ with
Laboratory standard
illumination for
Library
(Space for Workshop/
writing
answer)
14.0
References:
2.3livot
Facatook
Praclie alo-1.
Tle- Canduct llumioat asesment in ootk Place
Lan By Using luxmeer noo
-takie
1Obseation
Sr INorkplace adsa Tlomination in L dx.
a) ork shop
2) |O
3) 404001
b) o£ficèeil ha'iteill-) g03
2) l6
+aL 3) 23 i todla
4)153
abepala - go
OLaboatory
3> 24.2talA
4) 42g
-1) 458
3)|Librar
3363tind
4)23
Result-saaL tpotouloLahb
Resent illumination leuel. is lessthao the
Tequired illumioation Leuel
Corelussion
Acconain to ohsematioo &result the Teg
illumioation leuel is gteaer
So we hove to inctease the illuminat" level.
thao
present illumination .
Que Ans <
1) Define Poorleue of Ilurninatt at wocle place
Poor
ligbt
leuel. of
iluming !
nothinq is
but iuEcie
nat enough ight far the
need Imprope
Contrast Paarhy distibuted
lighti
2)Iwhat the cduantage
is
f illumiott
Aduantaqesl(e assesSe m
SPreuent fatiqve
& Sta
2 Help to stain Oo
) Prouides
Create a
Light
eyes
in
pleasarnt
atmossbere
4)
Allous economicad
then pte manner.
person fo
to see
easily d
3)albat do you
acCuraL
mean by
Rluminaioo 2 appopriae leuel of
Appropride
to illaminahon leuel
is
(b
brigh nor
din far defined as
balanced in the required neithes
rela+^ to
as d os ot
other light
computer
ork,
Sourc
it is.
Sources Such
Screens io
Surroung
Facalook
) What
actor
te the fadors afecting fllumination
effect illumination
) Type oF light c) shadous
2) Types 6E Eitting s) Elickerin
3) calaur Surtace f wats. 6) calcaur at light
Hent
s)hat ps the tisk of Poar lumination at
Poor lightoning at work. can lead to -
1) Eye. strain.
2) Fatique.
3) headache.
4) Dropping materials or tools.
S) Depression
S) Ealling tripping, sippling et
6)hat s effect of staong glare at aark place
Glare A0t ooly Couses your wision to be distorted,t
Can also be quite poinful this leadsto hea dches.
eyestrain & fatigue. this can Causes mistakes at
0ork Poor quality 4 low productiuity.
bat is effect of ight Flicke ring ataork place 2
lic keriDq light at wotk make emplayees
place cill
feel tired d sluggish Flickeing light oill Cause eye
Gtrain
abouL,
goyin
YW
Website:
encrgyandenyironmçnt..com
ent Scheme:
Assessm
15.0
Performance Indicators Weightage
cent
60%
Process Related (15 Marks)
20%
1
Information collected
20%
2 Understanding & Execution
20%
3 Team work & Coordination
40%
Product Related (10 Marks)
10%
Quality of observation
05%
5 Interpretation
05%
6 Conclusions
15%
7 Practical related questions
05%
8 Submitting the report in time
100%
TOTAL (25 Marks)
Marks Obtained
Total Dated Signature
Product Related
Process Related of Teacher
(25)
(10)
(15)
