Loading Winsko Serves Limited

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Marine & Land Logistics

Logistics, leasing & supply. Marine and land logistics from Winsko's own jetty, land and swamp plant on lease, and materials sourced, checked and delivered to site.

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The service

Our own jetty, barges and trucks, moving the work to site.

Winsko describes itself as an engineering, procurement and logistics contractor. From its own jetty on the Trans-Woji waterfront in Port Harcourt, it moves crews, pipe, plant and materials to swamp, creek and land locations across the Niger Delta, on barges, tug boats and trucks it owns.

On the water, barges of 400 to 1,200 tons are towed by Winsko's tug boats, speed boats carry the crews, and house boats for 40 and 80 people put accommodation on location. On land, Mack low beds of 35 and 40 tons, tippers and a 10-ton self-loader truck move plant and materials to the waterfront and to land sites.

The same fleet supports operators' own logistics. Winsko has supplied tug boats, ramp barges and a dump barge at Nembe, Soku and Cawthorne Channel, modified flow station piping and supplied hoses and connectors for crude oil barging in OML 18, and built a concrete tank at San Bath to support barging operations.

Yellow rough-terrain crane and an excavator on a flat barge in a creek, mangrove behind
Plant on a barge in the creekPhotograph

Where it sits in the project lifecycle

  1. 01Engineering / Design
  2. 02Procurement & Logistics
  3. 03Fabrication
  4. 04Construction / Roads / Erection / Installation
  5. 05Testing / Pre-Commissioning
  6. 06Commissioning
  7. 07Operation, Maintenance & Handover

By the numbers

10
Barges
Lay, ramp and dump barges, 400 t to 1,200 t
5
Speed boats
Yamaha personnel carriers for crew transfer
40 t
Low bed
Mack low beds of 35 t and 40 t for plant by road
100,000 m²
Base and jetty
Yard, warehouse and jetty on the Trans-Woji waterfront

Scope of work · 07 work packages

What the work covers.

  • 01

    Marine transport

    Barges and tug boats carrying pipe, plant and materials from the jetty to swamp and creek locations.

  • 02

    Crew transfer and accommodation

    Speed boats for crew movements, and house boats that keep crews living on location.

  • 03

    Road haulage

    Low beds, tippers and a self-loader truck moving plant and materials by road.

  • 04

    Load-out and lifting

    Cranes at the jetty to load and discharge barges, from a 10 t self-loader to an 80 t track crane.

  • 05

    Vessel supply

    Tug boats, ramp barges and dump barges supplied to operators and contractors.

  • 06

    Crude barging support

    Piping modifications, hoses, connectors and storage that let a field export by barge.

  • 07

    Staging and warehousing

    Yard and warehouse space on the 100,000 m² base to hold materials before they move.

Method · 05 stages

How a move runs.

From the cargo list to the empty barge back at the jetty, with the checks that close each stage.

  1. 01

    Plan the move

    The cargo, its weights and sizes, the destination and the route are agreed with the client. The tide and the creek decide how a marine move travels; the road and the load decide how a land move does.

    • Cargo list with weights and sizes
    • Route, tide and weather checked
    • Permits arranged for road moves
  2. 02

    Stage at the base

    Materials and plant are received on the yard or in the warehouse, checked against the list and held until the barge or truck is ready.

    • Received against the cargo list
    • Stored under cover where needed
    • Lifting gear inspected
    Warehouse on the Winsko base in Port Harcourt
    Warehouse on the basePhotograph
  3. 03

    Load out at the jetty

    Cranes load the barge at the Trans-Woji jetty. Loads are lashed and chocked, and the deck plan is checked before the tug takes the tow.

    • Lift plan for heavy items
    • Loads lashed and chocked
    • Barge draught and trim checked
    Two cranes lifting line pipe onto a barge at the Winsko jetty
    Load-out at the jettyPhotograph
  4. 04

    Tow and transfer

    Tug boats tow the barges through the creeks to location, and the crews follow by speed boat.

    • Tow plan agreed
    • Life jackets for everyone on the water
    • Radio contact with the base
    Rough-terrain crane and an excavator on a flat barge in a creek, mangrove behind
    Plant on a barge in the creekPhotograph
  5. 05

    Discharge and back-load

    On site the cargo is discharged by crane or over the ramp, empties and waste are back-loaded, and the barge returns to the jetty.

    • Cargo signed for on site
    • Back-load list kept
    • Deck cleared before the return tow

Plant and equipment

The fleet that moves the work.

Every item below is on Winsko's equipment register. The barges, tug boats and house boats are built in its own yard.

Lay barges
600 t and 500 t
Ramp barges
5 × 1,000 t, and one of 800 t
Dump barges
400 t and 1,200 t
Tug boats
Own fleet, built in the Winsko yard
House boats
80-man and 40-man
Speed boats
5 × Yamaha
Low beds
Mack, 35 t and 40 t
Tippers
3 × Mack, 25 t
Self-loader truck
Mack with HIAB crane, 10 t
Cranes
80 t track crane; tyre cranes from 22 t to 50 t
Stores and offices
5 stores (20/40 ft), 5 mobile offices
Tug boats and flat-top barges moored at the Winsko jetty
Tug boats and bargesPhotograph
Two-storey house boat moored at the jetty
House boatPhotograph
Low-bed truck and a swamp buggy at the waterfront
Low bed at the waterfrontPhotograph

Track record

Logistics on record.

A selection from the list of jobs in the company profile.

  1. 2024Reinforced concrete tank built to support barging operationsSan Bath
  2. 2022Hoses and connectors procured for barging operations in OML 18Alakiri, Cawthorne Channel
  3. 2022Crude oil barging projects for flow stations 1, 2 and 3Cawthorne Channel
  4. 2022Emergency crude barging project at the flow stationAlakiri
  5. 2022Piping and modification works to transfer bulk liquid to a process barge for dehydrationAlakiri, Cawthorne Channel 2
  6. 20141,000 t ramp barge and an 800 t barge suppliedCawthorne Channel 2
  7. 2014600 t dump barge suppliedSoku
  8. 2014Tug boats suppliedNembe

Inspection and testing

Every load accounted for, on and off the barge.

A move is only done when the cargo arrives complete and undamaged, so the checks follow it from the yard to the site.

01Cargo checkWhat leaves the base matches the cargo listWhenAt load-outRecordSigned cargo list
02Lifting gear inspectionCranes, slings and shackles are fit and within dateWhenBefore each liftRecordInspection certificates
03Lashing checkLoads are secured for the tow or the roadWhenBefore departureRecordLoad-out checklist
04Vessel checkBarge, tug and boats are seaworthy and equippedWhenBefore each towRecordVessel checklist and documents
05Delivery receiptThe client received the cargo completeWhenOn siteRecordSigned delivery note

Codes commonly specified for this work

  • IMO CSS CodeSafe stowage and securing of cargo
  • ASME B30.5Mobile and crawler cranes
  • BS 7121Safe use of cranes
  • NIMASA rulesVessel safety in Nigerian waters

Health, safety and environment

Safe on the water and on the road.

Most moves cross water at some point. The rule at Winsko's jetty is no life jacket, no entry.

  • 01

    Working over water

    Life jackets for everyone on the jetty, the barges and the boats, and a head count at every transfer.

  • 02

    Lifting

    Lift plans for heavy items, a banksman for every lift and nobody under a suspended load.

  • 03

    Towing in the creeks

    Tow plans, weather and tide checks, and movement in daylight.

  • 04

    Road haulage

    Loads chained and checked, abnormal loads escorted, and driver hours controlled.

  • 05

    Fuel and spills

    Spill kits on every barge, bunded fuel storage and refuelling only at agreed points.

Our HSE approach

Video

On the water.

Rough-terrain crane lifting bulk bags onto a barge
Walk-through of the house boat Winsko Ifeoma II: offices, conference room, stores and generator deck
Generator set and gear on a barge alongside

FAQ · 05 questions

Questions, answered.

Short answers about marine & land logistics at Winsko, from the company profile.

01

What logistics services does Winsko provide?

Marine and land logistics for work in the Niger Delta: moving crews, pipe, plant and materials from Winsko's own jetty in Port Harcourt to swamp, creek and land locations by barge, tug boat, speed boat and truck, with house boats for crew accommodation, cranes for load-out, and yard and warehouse space for staging.

02

Does Winsko own its barges and tug boats?

Yes. Winsko's equipment register lists ten lay, ramp and dump barges from 400 to 1,200 tons, with tug boats, five speed boats and house boats for 40 and 80 people. Winsko builds its own barges, tug boats and house boats in its yard.

03

Has Winsko supported crude oil barging?

Yes. In 2022 Winsko carried out crude oil barging projects for the Cawthorne Channel flow stations, piping and modification works at Alakiri flow station to transfer bulk liquid to a process barge, and procured hoses and connectors for barging operations in OML 18. In 2024 it built a reinforced concrete tank at San Bath to support barging operations.

04

Can Winsko move heavy plant by road?

Yes. Mack low beds of 35 and 40 tons, Mack tippers and a 10-ton self-loader truck with a HIAB crane move plant and materials by road between the base, the waterfront and land sites.

05

Where do Winsko's marine moves start?

At the company's own jetty on the Trans-Woji waterfront in Port Harcourt, beside its 100,000-square-metre yard and warehouse, where cargo is staged, checked and loaded onto the barges.

Also in the scope

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Operational base / jettyElshcon Close, Trans-Woji (Slaughter), Port Harcourt, Rivers State

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