Sound behaves differently on a coastal site. Wind, sea noise and open yards carry speech away. A public address system in Visakhapatnam has to be planned for those conditions. The same speakers can also carry evacuation messages from the fire panel. Compare our other fire alarm systems for the panel side.
What the system does
Think of the system as a voice for the whole site. Anyone with a microphone or a recorded message can reach a floor, a yard or a jetty gate at once. For emergencies, a voice alarm adds supervised amplifiers, standby power and a link to the fire panel.
Hotels, hospitals and campuses run one network for both jobs. Calls and notices go out through the day, and the evacuation message takes over when the alarm trips.
Planning for noise and weather
Open yards, jetties and loading bays need weather-resistant horn speakers and enough amplifier power to be heard over wind and machinery. Indoor halls need speakers placed to avoid echo.
Salt air attacks terminals and cable joints. We use sealed boxes and protected cable runs, and check them at each service visit.
Standards for voice alarm
Where a design calls for voice alarm, equipment is judged against EN 54, including part 16 for the control unit and part 24 for loudspeakers. We select kit that follows these parts for such jobs.
Our supply comes from Bosch control, amplifier and speaker lines. The quote names the models that are current at the time.
Who we design for
Consultants, builders and architects send us ceiling plans and specifications, and we reply with a zoned layout and a price. Corporate campuses want paging across blocks. Hospitals want quiet wards and clear calls to staff. Industries want loud, sealed speakers in yards and plant. Defence establishments, including Indian Navy and Army sites, can ask for a plan and quote, subject to their security and vendor-registration rules.
Linking to the fire alarm
When the panel trips, it can start a recorded message for the zone in alarm, then widen it to the whole site. Messages name the exits to use and the routes to avoid. An addressable fire alarm gives the exact floor, which makes the message precise.
We test each link line by line with the fire alarm team and record the result.
Servicing and testing
At each visit we play a test message in every zone, inspect amplifiers and standby batteries and list faults in writing. Yard speakers get a corrosion check.
We service every public address system in Visakhapatnam we install, and our fire safety AMC can include it in the visit for the fire alarm.
Public address systems across Visakhapatnam
Hotels and offices in Dwaraka Nagar, MVP Colony and Madhurawada use paging across floors. Hospitals near Siripuram and Maharanipeta need quiet-ward zones, and industrial yards at Gajuwaka and Autonagar need loud weather-resistant speakers.
The Andhra Pradesh Fire Services Department inspects the fire side of the building, including the voice alarm link. Our Suryabagh head office designs and services each system, and the Visakhapatnam office page lists our other work. See our public address system in Hyderabad page for the same range.
Areas we serve. Not sure we cover your area? Call the office and ask.
- Dwaraka Nagar
- MVP Colony
- Madhurawada
- Siripuram
- Maharanipeta
- Gajuwaka
- Autonagar
Standards and approvals
We design to NBC 2016 Part 4 and IS 2189 for the fire alarm link, using equipment that follows EN 54 where voice alarm is required. The Andhra Pradesh Fire Services Department decides what each building needs, and Essatech does not issue or promise approval. This applies to every public address system in Visakhapatnam we design. See our fire alarm system page for more.
How the work runs
- Send drawingsShare floor plans, ceiling plans and any speaker types already specified.
- DesignWe plan zones, speakers, amplifier power and cable routes, and the link to the fire alarm.
- QuoteYou get an itemised quote that names each part and the Visakhapatnam site work.
- InstallOur engineers fit speakers, racks and cable, floor by floor.
- Test and hand overWe test sound and speech in every zone, then hand over records for your Visakhapatnam site.
What affects the price
- Number of zones
- Speaker count and type
- Amplifier power and standby batteries
- Voice alarm equipment, if needed
- Cable and conduit route
- Link to the fire alarm
- Commissioning and sound testing
What to send us
- Floor plans and ceiling plans
- Outdoor areas and noisy zones
- Whether voice alarm is required
- Fire alarm panel make and model
- Your deadline


