LIG CALC Re

TABLE OF CONTENTS

SI NO.

DESCRIPTION

PAGE NO.

1

SCOPE

1

2

REFERENCE

1

3

FORMULA TO BE USED

2

4

NO OF FITTINGS CALCULATION

3

5

SUMMARY

7

DOC. TITLE : Lighting Calculation for Facilities at Sea Water Intake Pump House & Jetty Sheet 1 of 7 DOC. NO.

: 6104-EL-DSN-700-1009

LIGHTING DESIGN CALCULATION DOCUMENT 1.SCOPE: The scope of the calculation is to design the lighting for sea water in take pump house with the given illumination level. 2.REFERENCE: 1.IS:3646-code of practice for illumination 2.Cromton greaves lighting catalouge 3.Sizing criteria as per CI.NO.B7.9.9 of contract technical specification no.B7.9-illumination system.

The Lighting calculation have been carried out for the following area in sea water in take pump house and  jetty based on the lux level requirement as tabulated below. AREA

SI.no

REQUIRED LUX LEVEL

1

Switchgear room

200

2

UPS battery charger room

200

3

Battery room

150

4

Control equipment room

400

5

Engg.room

150

6

Operator station

200

7

Mobile cleaning device room

200

8

Pump room

200

9

Jetty

10

Maintenance factor Control room and A/C rooms

:0.75

Other areas

:0.7

Height of the working plane Central control room

:0.85m

other areas

:0.00m

pump room

:0.00m

CHENNAI PETROLEUM CORPORATION LTD. 5.8MGD DESALINATION PLANT

DEVELOPMENT CONSULTANTS PVT LTD. CONSULTING ENGINEERS

DOC. TITLE : Lighting Calculation for Facilities at Sea Water Intake Pump House & Jetty Sheet 2 of 7 DOC. NO. : 6104-EL-DSN-700-1009 Note: 1.The type fitting to be used are given below (cromtom greaves catalouge): SI.no

Area

Type of fixture

1

Switchgear room (vitreous enameld)

IGP1324EB(2X40W)

2

UPS and battery charger,battery rom(corrosion proof)

IPFC1124EB(2X36W)

3

Control equipment room(decorative type)

CRFD24EB(2X36W)

4

Mobile cleaning device room(HPMV) and Pump room(HPMV )

IHB1325IH(250W)

5

Street light(HPSV)

SSG1315IH(150W)

6

Stair case

IGP1214EB+RVE14 (36W)

7

Emergency D.C lighting

IBH1110BC

8

Toilets

IGP1214EB+RVE14 (36W)

9

Approach Road

IGP1214EB+RVE14 (36W)

3. FORMULA'S TO BE USED: LxB Room Index

= (L + B)XH Where L

=

Length of area to be illuminated

B

=

Breadth of area to be illuminated

H

=

Mounting height of light fitting above working plane L x B x IR

No.of Fittings (NC)

= LOxCOUxMFxLLD

Illumination level in lux, NR x COU x LO x MF x LLD IL

= LxB

Where NC

=

No. of light fittings calculated

NR

=

No. of light fittings Recommended

IR

=

Illumination required

IL

=

Illumination level in lux

COU

=

Co-efficient of utilisation

LO

=

Lamp output in lumen

MF

=

Maintenance factor

LLD

=

Lamp lumen depreciation factor (for fluorescent lamps only)

CHENNAI PETROLEUM CORPORATION LTD. 5.8MGD DESALINATION PLANT

DEVELOPMENT CONSULTANTS PVT LTD. CONSULTING ENGINEERS

DOC. TITLE : Lighting Calculation for Facilities at Sea Water Intake Pump House & Jetty Sheet 3 of 7 DOC. NO.

: 6104-EL-DSN-700-1009 4.NO.OF FITTINGS CALCULATION LIGHTING DESIGN CALCULATION AT SWITCHGEAR ROOM SWITCH GEAR ROOM(PART-1)

SWITCH GEAR ROOM(PART- 2)

Length of the room(L in mtrs)

11.6

12.89

Breadth of the room(B in mtrs)

8.18

5

Height of room from FFL (in mtrs)

4.25

4.25

Mounting height above working plane(H in mtrs)

4.25

4.25

1.13

0.85

70 50 10

70 50 10

Co-efficient of utilisation(COU)

0.49

0.43

Maintenance factor(MF)

0.7

0.7

Recommended illumination (lux)

200

200

2X36

2X36

IGP1324HSB+RPC24

IGP1324HSB+RPC24

lamp output in lumens

4900

4900

No.of fittings calculated No. of fittings recommended

12.55

9.71

13

10

207.24

205.96

AREA

Room index Reflection factor Ceiling wall floor

capacity of lamp in watts Type of fitting

Actual illumination level based on estimation in lux.

Note : As the specification call for VE reflector, since the VE reflector are not in market Powder Coating(PC) reflector which are equivalent to VE reflector are used.

CHENNAI PETROLEUM CORPORATION LTD. 5.8MGD DESALINATION PLANT

DEVELOPMENT CONSULTANTS PVT LTD. CONSULTING ENGINEERS

DOC. TITLE : Lighting Calculation for Facilities at Sea Water Intake Pump House & Jetty Sheet 4 of 7 DOC. NO.

: 6104-EL-DSN-700-1009 LIGHTING DESIGN CALCULATION AT BATTERY ROOM AND CHARGER ROOM

BATTERY ROOM

UPS BATTERY CHARGER ROOM

5

3.5

Breadth of the room(B in mtrs)

1.987

3.3

Height of room from FFL (in mtrs)

4.25

4.25

Mounting height above working plane(H in mtrs)

4.25

4.25

Room index

0.33

0.4

70 50 10

70 50 10

Co-efficient of utilisation(COU)

0.25

0.25

Maintenance factor(MF)

0.7

0.75

Recommended illumination (lux)

150

200

2X36

2X36

IPFC1124EB

IPFC1124EB

lamp output in lumens

5100

5100

No.of fittings calculated

1.86

2.68

2

3

161.7

223.54

AREA

Length of the room(L in mtrs)

Reflection factor Ceiling wall floor

capacity of lamp in watts Type of fitting

No. of fittings recommended Actual illumination level based on estimation in lux.

CHENNAI PETROLEUM CORPORATION LTD. 5.8MGD DESALINATION PLANT

DEVELOPMENT CONSULTANTS PVT LTD. CONSULTING ENGINEERS

DOC. TITLE : Lighting Calculation for Facilities at Sea Water Intake Pump House & Jetty Sheet 5 of 7 DOC. NO.

: 6104-EL-DSN-700-1009

LIGHTING DESIGN CALCULATION AT CENTRAL CONTROL ROOM CONTROL EQUIPMENT ROOM

ENGG. ROOM

OPERATOR STATION

Length of the room(L in mtrs)

4

3.31

5

Breadth of the room(B in mtrs)

3.31

2

4.95

Height of room from FFL (in mtrs)

7.5

7.5

7.5

4

4

4

0.45

0.31

0.62

70 50 10

70 50 10

70 50 10

Co-efficient of utilisation(COU)

0.32

0.32

0.4

Maintenance factor(MF)

0.75

0.75

0.75

Recommended illumination (lux)

400

150

200

capacity of lamp in watts

2X36

2X36

2X36

CRFD24EB

CRFD24EB

CRFD24EB

lamp output in lumens

4900

4900

4900

No.of fittings calculated

5

0.94

3.74

No. of fittings recommended

5

1

4

399.7

159.88

213.82

AREA

Mounting height above working plane(H in mtrs) Room index Reflection factor Ceiling wall floor

Type of fitting

Actual illumination level based on estimation in lux.

CHENNAI PETROLEUM CORPORATION LTD. 5.8MGD DESALINATION PLANT

DEVELOPMENT CONSULTANTS PVT LTD. CONSULTING ENGINEERS

DOC. TITLE : Lighting Calculation for Facilities at Sea Water Intake Pump House & Jetty Sheet 6 of 7 DOC. NO.

: 6104-EL-DSN-700-1009 LIGHTING DESIGN CALCULATION AT PUMP ROOM SCREEN WASH PUMP AREA

SEA WATER PUMP ROOM

Length of the room(L in mtrs)

8.18

11.6

Breadth of the room(B in mtrs)

7.8

6.7

Height of room from FFL (in mtrs)

7.2

13.75

Mounting height above working plane(H in mtrs)

6.4

12.82

Room index

0.62

0.33

70 50 10

70 50 10

Co-efficient of utilisation(COU)

0.56

0.49

Maintenance factor(MF)

0.7

0.7

Recommended illumination (lux)

200

200

capacity of lamp in watts

250

250

IHB1325IH

IHB1325IH

13500

13500

2.41

3.36

3

4

248.82

238.32

AREA

Reflection factor Ceiling wall floor

Type of fitting lamp output in lumens No.of fittings calculated No. of fittings recommended Actual illumination level based on estimation in lux.

CHENNAI PETROLEUM CORPORATION LTD. 5.8MGD DESALINATION PLANT

DEVELOPMENT CONSULTANTS PVT LTD. CONSULTING ENGINEERS

DOC. TITLE : Lighting Calculation for Facilities at Sea Water Intake Pump House & Jetty Sheet 7 of 7 DOC. NO.

: 6104-EL-DSN-700-1009

5.SUMMARY OF THE FITTINGS

S.NO

TYPE OF FITTING

QUANTITY

TOTAL WATTS

1

IGP1324HSB+RPC24 ( Switgear Room)

23

2X36

2

IPFC1124EB (Battery Room)

5

2X36

3

CRFD24EB (Control Equipment Room(CER), Operator Station, Enginner Room, Entrance of CER)

11

2X36

4

IHB1325IH ( Pump Room)

7

250

5

IHB1325IH ( Screen Wash Pump Area)

2

250

6

SSG1315IH (Approach Jetty)

18

150

7

IGP1214EB+RVE14 ( Staircase)

8

1x36

8

IGP1214EB+RVE14 (Cable Cellar Room)

2

1x36

9

IGP1214EB+RVE14 (Toilets)

4

1x36

10

IGP1214EB+RPC14 (Switchgear room Entrance, Entrance to CER from Screen Wash Area)

2

1x36

11

IBH1110BC (Emergency D.C lights)

10

100

12

SSG1315IH (Approach Road in Jetty)

2

1x36

CHENNAI PETROLEUM CORPORATION LTD. 5.8MGD DESALINATION PLANT

DEVELOPMENT CONSULTANTS PVT LTD. CONSULTING ENGINEERS