• rigging

  • valves

  • piping

  • coating

  • mechanical

  • metal work

  • carpentry

  • electrical

  • propulsion

Detailed Services

Valves

Maintenance, servicing and repair of valves to ensure regulation, and control the flow of fluids (opening, closing, or partially obstructing passageways).


Our scope of services and what we offer includes – but is not limited to:


  • Overhaul in-situ of valves (except butterfly valves and non-return flaps)
  • Remove valve bonnet, clean all exposed parts, clean valve housing to best practical standard, performing light lapping of seat or gate, paint internal exposed areas, reassemble with new bonnet gaskets and standard gland packing.
  • Types of Valves:

  • Globe and Storm Type
  • Gate Type
  • Butterfly Type
  • Non-Return Flaps

Propulsion

Maintenance, servicing and repair of valves to ensure regulation, and control the flow of fluids (opening, closing, or partially obstructing passageways).


Our scope of services and what we offer includes – but is not limited to:


  • Overhaul in-situ of valves (except butterfly valves and non-return flaps)
  • Remove valve bonnet, clean all exposed parts, clean valve housing to best practical standard, performing light lapping of seat or gate, paint internal exposed areas, reassemble with new bonnet gaskets and standard gland packing.
  • Types of Valves:

  • Globe and Storm Type
  • Gate Type
  • Butterfly Type
  • Non-Return Flaps

Rigging

Our scope of services and what we offer includes – but is not limited to:

  • Rigging for heavy and complicated lifting - which includes, identifying and inspecting the scope of work, performing risk management plans, planning of resources and equipment and preparing work to be done.

Metal Works

A fully equipped fabrication shop operating to cut, bend, shape, install, assemble, repair and weld sheet metal according to required dimensions, specifications, blueprints and/or directions.

Our scope of services and what we offer includes – but is not limited to:

    Metal Works – Structural Works

  • Plating from 6mm (th) to 8mm (th),
  • Plating from 10mm (th) to 16mm (th),
  • Plating from 20mm (th) to 25mm (th),
  • Plating up to 60mm (th)
  • Pipe type bulwark and crash rail, renewals across bulkheads and decks, frame
  • renewal

    Welding of Lifting Lugs

  • Welding of pad eye - Material grade being commercial grade, EH36 or equivalent
  • Renewal of owner supplied chains and shackles
  • Renewal of fender bracket
  • Removal and replacement of D-Fender on side hull (up to 300mm wide)
  • Handrails and Ladders

  • Renewal of handrails with yard supplied material
  • Hand rail pipe ND40 (ND1 1/5”) SCH40 renewal
  • Knee rail bar 16mm renewal
  • Stanchion 60 x 16mm (th) x 1m long replacement
  • Renewal of vertical ladder
  • Renew back scratcher
  • Metal Works – Struct. (Aluminium)

Piping

The engineering discipline of piping systems used to efficiently transport and convey fluids and gases from one location to another. This includes the removal and refitting of pipes.

Our scope of services and what we offer includes – but is not limited to:


    Piping Works

  • SCH 40 Carbon Steel
  • SCH 80 Carbon Steel
  • Stainless/Cunifer piping

    Aluminium Piping

  • SCH 40 Aluminium
  • SCH 80 Aluminium

Coating

Our coatings department specialises in the layering of material deposited onto substrates (vessels) to enhance surface properties for corrosion and wear protection.

Our scope of services and what we offer includes – but is not limited to:

    Hull Treatment – Washing

  • Scraping of Hull to Remove Marine Growth (Collect and Dispose)
  • Low Pressure Fresh Water Cleaning (0 - 345 Bar)
  • High Pressure Fresh Water Cleaning (345 – 690 Bar)
  • High Pressure Water Jetting (690 – 2 000 Bar, Intensive Wash)
  • Supply and Application of Degreaser
  • Hull Treatment – Surface Preparation

  • Grit Blasting SA 1.0 (Sweep Blasting), Spot Blasting SA 2.0 (Commercial), Spot Blasting SA 2.5 (Bare Metal), Mechanical Preparation ST 2) and Flaring of Edge
  • Cleaning of Dock Floor, Disposal of Spent Grit
  • Hull Treatment – Paint Application

  • Paint Application by Means of Spray Gun or Roller
  • Paint Application on Vessel Hull Marks
  • Hull Treatment – Sea Chest Treatment

  • Open and Close Sea Chest Grids: Small Grating and Large Grating
  • Paint Application on Sea Chest: Small, Large and Extra Large Chest
  • Coating – Other

  • Cathodic Protection
  • Removal of Existing Anodes and Refitting New Anodes (Owner-Supplied)
  • Supply of Zinc Anodes

Electrical

Our electrical workshop engages in the repair and maintenance of machinery, equipment and apparatus used for the measurement, generation, transmission, storage and utilisation of electric power.

Our scope of services and what we offer includes – but is not limited to:

  • Pump Motor Overhauling
  • Alternator Overhauling
  • Fan Motor Overhauling
  • Switchboard Cleaning
  • Insulation Resistance Testing
  • New Installations
  • Fault Finding
  • Pulling of Cables
  • Balancing of Items
  • Megger Test
  • Performing Megger Test of Vessel Equipment
  • Switchboards and Transformers
  • Cleaning of Main Switchboard, Emergency Switchboard and Transformers (Not Exceeding 35 KVA)
  • Electric motors overhaul
  • Overhaul in Workshop of Electric Motors
  • Disconnecting of Motor from Position and Rig Ashore, Transport to Workshop, Perform Megger Test, Strip Motor and Dismantle. Clean, Inspection of All Parts for Wear and Damage. Issue of Report.
  • Performance of Chemical Cleaning of Stator, Varnish and Bake. Reassemble with Owner Supplied Bearings and Test.
  • Test Motor and Transport Back to Vessel. Refit in Position and Reconnect.
  • Squirel Cage Type Motors
  • Fans, Rewinding, Works on brush gears
  • Balancing of Fan (Up To 90 KW)
  • Balancing of Stator (Up To 90 KW)
  • Overhaul In-Situ of Large Electric Motors (Above 200 KW)
  • Disconnecting Motor, Rig Aside, and Secure. Megger Test, Strip, Clean, Inspect and Report. Perform Megger Test. Strip Motor In-Situ and Dismantle. Clean, Inspect All parts for Wear and Damage. Issue Report Perform Chemical Cleaning of Stator, Varnish and Dry. Reassemble with Owner-Supplied Bearings and Test. Test Motor, Refit in Position and Reconnect.
  • Alternators & Shaft Generators
  • Overhaul In-Situ of Alternator/Shaft Generator
  • Related Works
  • Alignment Checks by Means of Laser
  • Adjusting Equipment Alignment to Specification

Carpentry

We have a fully functional Carpentry workshop performing the following functions (Not limited):

  • Carpet, Vynial and PVC Flooring
  • Deck Wood
  • Ceiling and Panel Installation
  • Concrete Removal and Construction
  • Furniture Manufacturing
  • Fibre Glass Repairs
  • Manufacture and Installation of Lagging
  • Tiles Removal and Installation
  • Upholstery
  • Varnish and Spray Painting
  • Windows and Glass Replacement
  • Light Sheet Metal Replacement
  • Wood Fenders Preparation
  • Epoxy Painting Flooring
  • Insulation Rock Wool

Mechanical

Our mechanical workshop specialises in the operation of various processes involved in manufacturing and production. It includes, but is not limited to: the fabrication and assembly of parts, working from drawings, sketches and verbal instruction - undertaking, where appropriate, maintenance of equipment, Liaising with suppliers and contractors on servicing and repair.

Our scope of services and what we offer includes – but is not limited to:

    Windlass

  • Removal of guards and bearing caps, rig off shaft, transport to workshops, dismantle, clean, inspect and report. Reassemble and refitting on board.
  • Brake Bands

  • Removal of brake bands, relining and refitting n place.
  • Pumps

    Centrifugal Pumps (Horizontal/Vertical)

  • Open pump casing (in-situ), check and replace mechanical seal, general inspection, report and close.
  • Disconnect pump, rig out and remove to workshop, dismantle pump, clean and inspect, reassemble and refit pump in same position.
  • Gear pumps

  • Disconnect pump, rig out and remove to workshop, dismantle pump, clean and inspect, reassemble and refit pump in same position.
  • Screw pumps

  • Disconnect pump, rig out and remove to workshop, dismantle pump, clean and inspect, reassemble and refit pump in same position.

Get In Touch

+264 64 218 6000

  • info@namdock.com
  • Cnr 2nd Str East & Hanna Mupetami Road. Walvis Bay