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Crane load test with water bags and a load cell reading on deck

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Technical guide

Marine Crane Load Testing in Vietnam | Deck, Provision & Engine-Room Cranes

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SVC Marine boards vessels in Vietnam to inspect the lifting appliance, prepare the agreed test equipment, carry out the commissioned functional and load-test work, and deliver the readings and work record. Deck and cargo cranes, provision and jib cranes, engine-room cranes and smaller hoists need different access, load and witnessing arrangements. Send us the appliance particulars and port window so the test can be planned around the actual job.

Work packages

  • Deck and cargo crane tests
  • Provision, jib and engine-room lifting appliances
  • Water bags, load cells or suitable test weights
  • Onboard movements and brake observations
  • Witnessing and work records agreed before attendance
  • Port, anchorage and yard work in Vietnam
Deck crane load test with a water bag
Deck crane load test with a water bag

01

Which marine lifting appliances can be tested?

A deck crane used for cargo needs a different lifting area and test arrangement from a provision crane moving stores or an engine-room crane lifting machinery. SVC identifies each appliance separately from its maker plate, drawings, safe working load and previous test record. The enquiry may involve cargo or deck cranes, provision and jib cranes, engine-room overhead cranes, monorail hoists, chain blocks and workshop lifting appliances aboard a vessel.

We examine the requested duty and the condition reported by the vessel before defining the visit. Our photograph shows a water-bag load-test arrangement.

02

When does the vessel need a crane load test?

Owners may request a test after structural or hydraulic repair, brake or hoisting-machinery work, wire renewal, accident damage, an inspection finding, or before returning an appliance to service. An annual inspection, port-state concern, heavy-lift preparation, periodic survey, flag or class requirement may also prompt an enquiry. The applicable requirement and test load must come from the appliance documentation and the appointed competent party; SVC does not infer them from a generic crane type.

The test is one part of returning lifting equipment to duty. A sound plan also addresses the defect, functional checks, safe test area, who witnesses the work and which record the owner needs. A test cannot by itself resolve an unrepaired defect or replace the vessel’s own operating decision.

03

What SVC checks before boarding

Our crane team reads the maker and model, appliance identification, safe working load, prior report or certificate, drawings where available, defect notes and the requested test procedure. We list condition inspection, repair, functional test and load test as separate worklist items, so the quotation states exactly which test and record the vessel receives.

The vessel confirms the port or anchorage, berth position, ETA, time window and whether cargo work or other lifting will affect access. SVC checks the route for test equipment, deck loading area, attachment points, communications and vessel arrangements with the master or chief engineer and confirms the appointed port agent’s boarding and berth arrangements where applicable. The agreed plan records who isolates the working zone and who controls the crane during each stage.

04

Test equipment, working area and safe execution

The specified load and site conditions determine whether water bags, load cells, certified or otherwise traceable test weights, or another suitable arrangement is used. SVC prepares or mobilises the equipment agreed for the job, checks its suitability and any required calibration or traceability record, and sets out how it will be brought aboard, filled or handled, measured and removed. A claimed universal load or one-size-fits-all method would be unsafe.

Before applying a load, our team checks the lifting path and exclusion area with the vessel, confirms communications between the operator and observers, and reviews the agreed stop points. Weather, berth movement, adjacent cargo work and the capacity of the selected appliance can change the sequence or require a different working window. The appointed test procedure and vessel permits govern the actual operation.

05

Deck and cargo crane load-test work

For a deck or cargo crane, SVC checks the agreed hoisting, luffing, slewing and brake functions before, during and after load application where they apply. The team handles the agreed test equipment and records the load reading, crane movements, observations and any abnormal condition. The vessel and witness can then compare the observed work with the specified test procedure.

A cargo crane may be needed for discharge, stores or a later charter. We ask whether testing must fit around cargo operations, a repaired component or a particular berth restriction. A repair of the boom, wire, winch, hydraulics or structure is defined and recorded as separate work before any agreed post-repair test.

06

Provision, jib, engine-room crane and hoist tests

A provision crane can handle stores, spare parts and other small loads; an engine-room crane or monorail may lift pumps, motors and machinery components. These appliances are used on bulk carriers, general cargo and container vessels, project-cargo ships, tankers and technical offshore vessels as well as other commercial ships. Their smaller safe working loads do not remove the need for correct rigging, clear travel paths, brake checks or the required records. SVC reviews each appliance’s access, available headroom, attachment arrangement and test load separately.

For a jib crane, we identify the boom and slewing arrangement and any defect or repair that changes the test scope. A chain block or workshop hoist is not treated as a deck-cargo crane. The specified method, competent witness and documentation determine what work is needed for each item rather than a single blanket test for the whole vessel.

07

After crane, wire or hydraulic repairs

If a crane failed or has just been repaired, SVC records the reported fault and the exact intervention first: for example, a wire change, hydraulic component, brake, hoisting machinery or structure. Our technicians inspect and perform the commissioned repair work, then record functional checks and any separately specified load test. The test plan must address the altered assembly and any unresolved defects.

The Hai Phong jib-crane repair record documents an actual repair sequence and test arrangement. A new enquiry is assessed on its own drawings, condition and schedule; an earlier project does not prove that a different crane passed a test.

08

Witnessing, test records and handover

Where the owner, manager, superintendent, class, flag or appointed surveyor requires a witness, the parties agree that attendance and the expected record before mobilisation. SVC performs and records its commissioned work: equipment details, test method, applied load readings, movements and observations, photographs where permitted, and outstanding defects or limitations.

Acceptance or a statutory or class certificate belongs to the appointed competent party. SVC hands over its service record and any agreed evidence for that party’s review. The quotation should say who supplies test equipment, who witnesses, who issues each document and whether repair, retest or standby time is within the scope. The agreed closeout may include the service report, equipment records and invoice, each identified separately from any certificate issued by the competent party. A separate scheduled deck-crane load-test work record shows how an actual attendance and work-done report were documented; that record does not set the result or certificate for another crane.

09

Marine crane testing at Vietnamese ports and yards

SVC takes crane-test enquiries for vessels at ports, anchorages and shipyards in Vietnam. Coverage discussions can include Hai Phong, Hon Gai, Cam Pha, Nghi Son, Cua Lo, Vung Ang, Son Duong, Hon La, Chan May, Da Nang, Dung Quat, Quy Nhon, Nha Trang, Vung Tau, Phu My, Cai Mep and the Ho Chi Minh City area. This is an enquiry area, not a promise of permanent equipment or crew at every port.

Actual attendance depends on port permission, berth or anchorage conditions, suitable equipment, personnel and the vessel’s time window. Send the terminal or anchorage location, local contact and expected duration so SVC can set an achievable onboard work sequence. Related options include ship repair in Vietnam and deck-crane hydraulic equipment work.

10

What to send for a crane load-test quotation

Email [email protected] with the information below. If there are several appliances, identify each separately and mark which ones need inspection, repair, functional checks, load testing or a witnessed report. SVC then returns a scope of work tied to the actual vessel rather than a generic promise.

  • Appliance type, maker, model, identification, drawings and safe working load
  • Previous test report or certificate, defect photographs and recent repair details
  • Specified test load and method, if already set by class, flag or an appointed surveyor
  • Port, berth or anchorage, ETA, ETD and available working window
  • Equipment boarding route, working area, access and vessel permits
  • Required witnesses, report format, certificate issuer and handover deadline

11

Frequently asked questions about crane load testing

Can SVC Marine test deck and provision cranes in Vietnam?

Yes. SVC can perform the commissioned onboard preparation, functional checks and specified load-test work for deck, cargo, provision, jib and engine-room lifting appliances in Vietnam. Each appliance has its own safe working load, method and document requirements.

Can a crane test take place during a port stay?

It may be possible at a port, anchorage or yard when permission, equipment access, a safe working area, personnel and a sufficient vessel window are available. Send the berth or anchorage, ETA, ETD and cargo-operation constraints so SVC can assess the actual sequence.

What equipment is used for a marine crane load test?

The agreed procedure may require water bags, load cells, test weights or another suitable arrangement. The appliance capacity, specified load, working area and witness requirements determine the equipment; SVC does not assign a universal test weight from the crane name alone.

Is a load test required after crane repair?

That depends on the repair, appliance documentation and the applicable owner, class or flag requirement. SVC records the repair and functional checks separately, then carries out any agreed test with its specified load, witness and reporting scope before the vessel decides on return to service.

What documents are needed to quote and close the job?

Send the maker and model, appliance identification, safe working load, previous report or certificate, defect and repair details, photos, port window and any specified test procedure. Agree in advance who witnesses the work and issues a certificate. SVC delivers the readings, observations, photographs where permitted and its service report for the commissioned work.

Talk to SVC Marine

Please provide your company details and the vessel requirement or work scope. Acceptance is subject to verification and confirmation by SVC Marine.