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Home » Products » Lighting Mast Towers » 19 (21) Meter Mobile Telescopic Tilting Type Tower

19 (21) Meter Mobile Telescopic Tilting Type Tower

19 (21) Meter Mobile Telescopic Tilting Type Tower
Product Code : Sigma12
Brand Name : Sigma
Product Description

Specification for 19 (21) Meter Mobile Telescopic Tilting Type Tower With

Green Genset & Acoustic Cover (CPCB Approved)

Type of Towers

Telescopic tilting type, Trolley mounted having pneumatic / solid rubber tyres

Material of construction

M.S. Plates formed into octagonal / polygonal shape.

Regional basic Wind speed   

a. 33/m/sec (118 km/hr)   b. 44 m/sec  (158 km/hr)

c.  50 m/sec (180 km/hr)

Gust Factor

1.15

Topography configuration

a. 1.0            

b. 1.3

Mean probable design life

25 years

Height of the towers  

21 meter including the height of trolley & cradle

Height Variation Factor

As per IS Code 875:1987 (Part 3)

Terrain Category

Category 1 Class A as per IS 875:1987 (Part 3)

Winches

Motor operated / manually operated

Number of Lights Cradles

One /Two / Three

Number of Lights

Six/Eight/Nine / Twelve. The Tower would be designed with a provision for at least 4 lights to be fitted on one side of the cradle if required

Area of Cross Section of

the Luminaries

As per design of the luminaries offered.

 

CONFIGURATIONS

Mounting

Winches

No. of Lights

D. G. Set Capacity

Wheels

Trolley mounted

Ground mounted

Manually operated

Motor operated

Six / Eight

Nine / Twelve

7.5 KVA

10KVA/15KVA

Pneumatic Tyres

Solid Rubber Tyres

Hinging /
Telescopic
Arrangement

The system would have an arrangement for installing and maintaining lights at ground level. The tilting arrangement of the Tower would be perfectly balanced and would not give any jerk or need a push / pull to activate the operation.

Trolley Base

The trolley base would be fabricated from channel frame work. The base would be provided with suitable number of riggers of suitable extendable length to provide complete stability of towers when fully erected. The riggers after extension would be grounded with the help of screw jacks having suitable free base of steel / cast iron. The trolley would be fitted with a tow-eye, tail light reflectors etc.

Anti-rust
Treatment
and Painting

The total tower structure shall be given anti rust treatment by painting after sand blasting. Before painting two coats of primer shall be applied. During final painting of complete tower structure standard safety color codes hall be complied with so as to provide clear visibility to the operation of dumpers, dozers, tippers etc. for safety against collision / damage during night time

Mast
Lighting
Control
Panel (MLCP
)

The MLCP shall be of outdoor type having IP 55 class of protection with incomer for power from mains/DG Set. 30mA RCBO of adequate rating shall be provided as main income and MCBs shall protect the outgoing cables from short circuit. The cables from MLCP to the individual luminaries shall be prewired and so laid and protected that it does not infringe with raising and lowering of the segments of tower. For motorized winches the interlocking arrangement should be provided to ensure that the tower tilting winch cannot be operated while the tower is in telescopic mode and vice versa. Suitable transformer can be incorporated into the system to meet the specific output requirements.

Design

We can supply complete design calculation for the towers selected. Most of our towers are type tested by a Govt. Test Laboratory.

       


SIGMA SEARCH LIGHTS LIMITED

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SIGMA SEARCH LIGHTS LIMITED
P-27 Sagar Manna Road, Behala, Near Parnashree Bus Stand, Kolkata - 700060, West Bengal, India
Phone :+917337829769
Fax :91-33-24061722/24061249
Ms. Vnu Mehta (Director)
Mobile :+919433016082, +919748773292
Mr. Divesh Mehta
Mobile :+919433016083, +919831816083
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