SPEC GROUP

Group of Companies

On Site Services

Refurbishment of Raw Water Supply Systems

SPEC does mechanical/electrical/civil refurbishment to Government equipment/structures on various dams in the Eastern and Western Cape regions (various maintenance contracts – completed & current):

Services include:

1.   We do the following types of work at these Governmental dams:

  • Removal/installation of different types of valves (with their ‘operating gear’) where we will refurbish or replace with new:

       o  sleeve valves with (or without) hoods

       o  Gate-, Knife-gate and ring-follower- valves

       o  Butterfly valves

       o  Needle valves

       o  Spherical valves

  • Removal/installation of different types of gates (with their ‘operating gear’) where we will refurbish or replace with new:

       o  Sluice gates; service- and emergency- gates

       o  Wall sluices (Fulton type etc)

       o  Buoyancy gates (radial & other type)

       o  Radial gates

       o  Crest gates

  • Other equipment we service/repair/replace at the dams are:

       o  Lifting structures (I-beams, all type of cranes)

       o  Steel platforms and ladders where we design, manufacture &                       install

       o  ‘Operating gear’ such as hydraulic, pneumatic, electric,                                   electronic or manual systems (for valves, gates etc)

  • Other services we offer:

       o  Electrical installations/refurbishment such as lights, DB’s, crane                   repairs etc

       o  Waterproofing and crack injection of intake towers/shafts

       o  Core drilling

       o  Cathodic- and lightning- protection

       o  Pipe wrapping (Denso or similar type)

       o  Assisting commercial divers

  • Removal/installation of different types of steel pipes & pipe specials (in outlet/intake towers, valve chambers, manholes etc) where we will refurbish or replace with new

  • Civil tasks which will include:

       o  Excavations, trenching, laying of piping

       o  Building of reinforced concrete structures like valve chambers,                  manholes and weir extensions in rivers

       o  Building/renovating control-, genset- and pump                                               rooms/buildings

Refurbishment can include the stripping, accessing and report, repairs to corroded steel, changes in original design, welding, machining & milling (using sub-contractors), corrosion protection, assemble and pressure testing

Control Testing Undertaken:

  • Pressure testing with potable water to the required pressures with certification on valves and pipes.
  • Other tests as per corrosion, mechanical, civil, electrical requirements
  • Complete piping installations at outlet system - Grassridge dam
    Complete piping installations at outlet system - Grassridge dam
  • Install temporary siphon system to WTW - Laing dam
    Install temporary siphon system to WTW - Laing dam
  • Total cleanup and repairs to all mechanical equipment at intake chamber - 2nd Falls dam
    Total cleanup and repairs to all mechanical equipment at intake chamber - 2nd Falls dam
  • Total refurbishment of bouyancy gate - 2nd Falls dam
    Total refurbishment of bouyancy gate - 2nd Falls dam
  • Total refurbishment of mech, elec equipment and corrosion protection to pipes, valves and sluices - Elandsdrift dam
    Total refurbishment of mech, elec equipment and corrosion protection to pipes, valves and sluices - Elandsdrift dam
  • Total refurbishment of tailrace at Eskom power station - Collywobbles dam
    Total refurbishment of tailrace at Eskom power station - Collywobbles dam
  • total refurbishmetn of all mechanical equipment at tunnel inlet to power station - Collywobbles dam
    total refurbishmetn of all mechanical equipment at tunnel inlet to power station - Collywobbles dam
  • Total replacement of intake stack and outlet structure - Gcuwa dam
    Total replacement of intake stack and outlet structure - Gcuwa dam
  • Total replacement of all landings and ladders in intake stack - Laing dam
    Total replacement of all landings and ladders in intake stack - Laing dam