Pulicat Light House, Thiruvallur
Pulicat
Light House is a historical monument and at the time of construction it
was the highest Light house in South Asia. The Light House is
located in an island, which has the road connectivity with the main land Pazhaverkadu
with a new bridge. The bridge was constructed recently and before construction
of the bridge, people living in the Pulicat island depends on the boat
services or cross Kosasthalaiyar river by walk.
The Light
House
It is a
historical monument and at the time of construction it was the highest
Light house in South Asia. Before this, there was an old light house with
brick masonry of height 20 meters which was constructed during 1859. There was
a Time chart to switch ON and Switch OFF depending on the month. The
equipment of fourth order optic PV lighting was re used in the
present tower till 1910 with modification. Then after that few years
before the whole array of PV lights were replaced with the present lighting
system and UPS system.
Apart
from this there is a DG set to care of power failure. The Glass room at the top
where the Lights are located used to cover with white screen cloth
during day time and night it will be removed. The light house is constructed
and commissioned on 25-08-1986 on small sand hill. The structure is in the
shape of hexagon and is visible about 5 km from land.
The
detailed technical specification is as follows;
The elevation of focal plane
|
53.5 meters above M.H.W.S
|
No of service lamps two in arrays
|
Seven arrays with 2 lamps/ array
|
Voltage
|
100 V AC - 12 V DC
|
Speed of Rotation
|
6 RPM
|
Flashing white
|
5 second duration of flash 0.25 sec
|
Effective beam intensity
|
1,050,000 CDS to -38,000 CDS
|
Geographical range
|
19.3 Nautical miles
|
Commissioned on
|
25-08-1986
|
Connectivity
The
Light House is located at about 1.5 Kms from Pazhaverkadu Bus Stop, 2 Kms from Pulicat
Bus Stand, 10 Kms from Thirupalaivanam, 8 Kms from Karungali, 21 Kms from Ponneri,
21 Kms from Ponneri Railway Station, 75 Kms from Thiruvallur, 70 Kms from
Chennai Airport and 55 Kms from Chennai. Town buses are frequently available
from Ponneri and Red Hills.