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TITLE

PROJECT

CLIENT

Lighting and

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A ISSUED FOR APPROVAL

No Rev.

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TABLE OF CONTENTS

1.0.0 CODES AND STANDARDS REFERENCES

2.0.0 GENERAL

2.1.0 Scope of Document

2.2.0 Average !!um"nance Leve! #L$%&

2.'.0 E!ectr"ca! Supp!( S()tem

'.0.0 LG*TNG S+STE, DESCR-TON

'.1.0 nterna! L"gt"ng

/.0.0 CALC$LATONS OF LL$,NANCE FOR NTERNAL LG*T

/.1.0 Ca!cu!at"on Of Numer Of F"ture) For Te u"!"ng

/.1.1 Ca!cu!at"on Of Numer Of F"ture) For Te contro! room

/.1.2

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1.0.0 CODES AND STANDARDS REFERENCES

!!um"nat"ng Eng"neer"ng Soc"et(3 ES

Coe Of -ract"ce For Emergenc( L"gt"ng #BS452663 -art 17 1889&

Nat"ona! E!ectr"c Coe #NEC41888&

EE :"r"ng Regu!at"on 16t E"t"on #BS4;6;17 1882&

Tecn"ca! Spec"f"cat"on3

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-o>er Supp!(

Supp!(

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:ere3

E Average "!!um"nance !eve! #te va!ue) a) g"ven "n e!ectr"ca! e)"

n Numer of !amp) per f"ture

Lumen per !amp

,F ,a"ntenance Factor

$ Coeff"c"ent of $t"!"at"on Factor

A))ume ,a"ntenance Factor #,F& for te ca!cu!at"on of re?u"re L

R

:ere3

L an : are te !engt >"t of te room re)pect"ve!(.

*A ") te mount"ng e"gt of L"gt"ng f"ture from >or@"ng p!ane.

,ount"ng e"gt of L"gt"ng f"ture from :or@"ng -!ane3 *A *,

:ere3

*> e"gt of te >or@"ng p!ane aove te f"n") f!oor of te room

*, mount"ng e"gt of te !"gt"ng f"ture from te f"n") f!oor of

For te ca!cu!at"on of te numer of f"ture) "n te fo!!o>"ng )eet)3

Room Area3 A L:

A))ume Ref!ectance of Ce"!"ng3 :a!!3 an F!oor are ;0

A!! "men)"on) are mea)ure "n meter) un!e)) oter>")e

/.1.0 Ca!cu!at"on Of Numer Of F"ture) For Te u"!"ng

A) per Cartere n)t"tut"on Of Bu"!"ng Serv"ce)3 CBS3 coe for "nce"!"ng3 >a!! an f!oor. Te Room ne #R& ") ca!cu!ate from te

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De)cr"pt"on

Room Lengt

Room :"t

Room *e"gt

Area

)u)pen)"on e"gt

:or@"ng -!ane e"gt

,ount"ng *e"gt

Ref!ectance of Ce"!"ng

Ref!ectance of :a!!

Ref!ectance of F!oor

Room ne

Coeff"c"ent Of $t"!"at"on

,a"ntenance Factor

Re?u"re !!um"nat"on

No Of # 19 & : Lamp -er F"tt"ng

G"ven Lumen For One Lamp

Ca!cu!ate Numer Of #/H26& :3 F"ture

n)ta!!e Numer Of F"ture) :3 220

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Lighting and Small Power Design Calculation DOC. O.

SE!A"E #REA#$E# PLA# A# A%I% CI#& DA#E

$IIS#R& OF !A#ER ' ELEC#RICI#& REV

mall Power Design Calculation

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Date Prepared Che

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NG

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LL$,NANCE LE"t re?u"re "!!um"nance !eve! a)e on )u"ta!e e)"gn proceure). Te )ma!! po>er

of te u"!"ng.

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'90

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n cr"ter"a&

"gt"ng F"ture ") 90

L:

* # L : &

4 *>

te room

"t mu)t e note tat

3 50 an3 20 re)pect"ve!(.

)pec"f"e

ter"or !"gt"ng)3 te coeff"c"ent of ut"!"at"on factor can e ca!cu!ate from te Room no!!o>"ng formu!a3

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S(mo!)

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()*+,*,+()

A

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ked Approved

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!! te area) "n)"e a) >e!! a)e)"gn cover) te 220

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f"ture >"t pr")mat"c "ffu)er.

om f"n")e f!oor.

mu!a3

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e an te ref!ectance) of

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