Andhra Pradesh · INVTZ

Hull Cleaning at Visakhapatnam Port

In-water hull, propeller and survey work at Visakhapatnam Port — the deepest natural harbour on the east coast.

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Tell us the vessel, the port and the window. Scoped reply, usually the same working day.

Cleanship Marine provides the full underwater scope at Visakhapatnam Port (INVTZ), Andhra Pradesh — hull cleaning, propeller super polishing, bow and stern thruster work, class-approved in-water survey and UWILD. Every scope is carried out with the vessel afloat and on hire, at the berth or at the anchorage.

Visakhapatnam is the principal major port on the Andhra coast, handling iron ore, coal, crude and containers, with Hindustan Shipyard and a naval dockyard in the same waters. Cleanship keeps an operating base at Visakhapatnam, so divers, compressors and cleaning gear are held locally rather than flown in against a berth window.

Working conditions at Visakhapatnam

Visakhapatnam has the deepest natural harbour on India's east coast, with an inner harbour that is very well sheltered and an outer harbour built for large bulk tonnage. That shelter means alongside dive work runs through most of the year, with the cyclone seasons the main interruption at the anchorage. Inner harbour water is silty with moderate to low visibility while the outer harbour is generally clearer, so the same port supports both touch-work cleaning and usable survey video depending on where the vessel lies.

Where we work: Inner harbour berths · Outer harbour · Anchorage
Vessels we see here: Capesize and Panamax bulk carriers · Crude and product tankers · Container ships · Offshore and naval auxiliary craft

Hull Cleaning scopes at Visakhapatnam

5 scopes, one team and one mobilisation. Most vessels calling here take more than one on the same attendance.

Planning the window at Visakhapatnam

The north-east monsoon governs the calendar at Visakhapatnam Port, roughly October to December. The Bay of Bengal also carries cyclone risk in April to June and again from October to December, so an anchorage attendance on this coast is planned with a standby allowance rather than a single fixed date. Because the harbour is sheltered, work here normally runs alongside or at a protected anchorage and can proceed in parallel with cargo operations rather than competing with them for the berth window.

Work is taken at the inner harbour berths, outer harbour and anchorage, and which of those a vessel ends up at changes the dive plan more than the season does. Cleanship holds an operating base at Visakhapatnam, so we can hold a team ready against a shifting ETA rather than committing travel to a date that may move.

What we typically find at Visakhapatnam

Dry bulk handling here puts cargo dust into the water around the berths and anchorage. It settles on horizontal surfaces and packs into sea chest gratings and inlet openings, so inlet and grating clearance is routinely a larger part of the job at Visakhapatnam than owners budget for.

Shelter is a mixed blessing for a hull. The same calm that makes the port easy to work in is still water, and still water grows fouling faster than an exposed berth does.

How we deliver it at Visakhapatnam

1
Scope and vessel details
Tell us the vessel, her particulars, the coating specification and the window at Visakhapatnam. We come back with a defined scope, a crew size and a duration we will stand behind. Where the conditions here will not support what has been asked for, we say so at this stage rather than after mobilisation.
2
Permits and approvals
Diving permission is obtained from Visakhapatnam Port Authority, along with terminal approval where the berth requires it and any environmental clearance for in-water work. This is handled by us, not left with the agent to chase.
3
Mobilisation to Visakhapatnam
Cleanship holds an operating base at Visakhapatnam, so divers, compressors, brush carts and cameras are on the ground rather than in transit. That is the difference between meeting a window and missing it.
4
Safety setup and the dive
The vessel is secured for diving — main engine, shaft and thrusters immobilised, sea suctions confirmed shut, permit agreed with the master. Teams work under surface supervision with continuous diver communications and video throughout.
5
Report and handover
A completion report covering hull cleaning is issued with before-and-after imagery, coating and anode condition and anything found that you should know about. The findings are discussed with the vessel rather than emailed and forgotten.

Visakhapatnam Port at a glance

UN/LOCODE: INVTZ
Port type: Major Port
State: Andhra Pradesh
Country: India
Water body: Bay of Bengal
Port authority: Visakhapatnam Port Authority
Main cargoes: Iron ore and pellets, Coking and thermal coal, Crude and POL, Containers, Fertiliser, Alumina
Crew mobilisation: Visakhapatnam (VTZ)
Services here: Hull Cleaning, Hold Cleaning and Tank Cleaning

Frequently asked — Visakhapatnam Port

Does Cleanship provide hull cleaning at Visakhapatnam Port?

Yes. We cover the full hull cleaning scope at Visakhapatnam Port (INVTZ), Andhra Pradesh — underwater hull cleaning, propeller polishing, thruster cleaning & polishing, in-water class survey and uwild. Cleanship holds an operating base at Visakhapatnam.

What is underwater visibility like at Visakhapatnam?

Visibility at Visakhapatnam Port is moderate, and it drops further around active bulk handling and after heavy rain, and the north-east monsoon sets the outer limits of the calendar. How the tide and sea state shape the dive plan is set out in full in the working-conditions section on this page.

Who approves hull cleaning work at Visakhapatnam?

Visakhapatnam Port Authority issues the port-side approval at Visakhapatnam Port, with terminal approval on top where the berth requires it. We arrange both, along with any environmental clearance for in-water cleaning, so it does not fall to the agent or the master.

Which vessels call at Visakhapatnam?

Capesize and Panamax bulk carriers, Crude and product tankers, Container ships, Offshore and naval auxiliary craft — Visakhapatnam Port is the deepest natural harbour on the east coast, handling iron ore and pellets, coking and thermal coal, crude and pol, containers, fertiliser, alumina. Those are the profiles we see most, and the scope is sized to the vessel rather than to a standard package.

Can this be done without taking the vessel off hire at Visakhapatnam?

Yes — that is the point of it. Every scope listed here is carried out with the vessel afloat and working, at the berth, at the anchorage or on the passage out. Divers work with the vessel afloat at the berth or the anchorage, so there is no dry dock, no diversion and no off-hire.

Do you cover other ports near Visakhapatnam?

Yes. Gangavaram, Kakinada and Paradip all sit within the same operating range for hull cleaning, and a single mobilisation is often sized to cover more than one vessel on the same trip. We work 46 ports on the coverage list for this line.

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