SPEC GROUP

Group of Companies

On Site Services

Demolition Work

SPEC has experience in technically difficult and potentially dangerous demolition work.

Services include:

1.  Removal of dangerous structures:

  • NMBM: Fishwater Flats Reclamation Works FS Building 

       o   Removal of 120 units of 3 ton pre-cast / post tensioned cladding                    beams from a height of 18m

       o   The beams had become a danger due to the advanced stage                        of reinforcement corrosion and concrete spalling

2.  DRC De Duin – Humewood: Church Spire

  • Removal of 75 tons of cast in situ reinforced concrete forming the church spire at a height of 32m

  • The spire became a danger due to the advanced stage of reinforcement corrosion and concrete spalling.

3.  We also have experience in rock breaking by means of:

  • Pneumatic drilling/breaking (hand or machine)

  • Chemical breaking (Catrock type)

  • Assisting specialist dynamite blasting companies

  • Pneumatic saw cutting

4.  Typical tasks completed are:

  • Concrete breaking & saw cutting in a tunnel to -3m * +-20m long = +- 60m³ of concrete to remove (labour intensive method)

  • Rock breaking (granite type) by means of drilling and using Catrock on top layers of rock (80% of this project was labour intensive methods)

  • Assist specialist dynamite blasting company for lower sections of rock. Estimated at +-350m³ of rock removed


  • Concrete breaking in dam gallery to go down -3m for piping - Laing dam
    Concrete breaking in dam gallery to go down -3m for piping - Laing dam
  • Concrete demolish around pipe - Xonxa dam
    Concrete demolish around pipe - Xonxa dam
  • Concrete demoslish - Xonxa dam
    Concrete demoslish - Xonxa dam
  • Remove church bell and concrete tower - before picture
    Remove church bell and concrete tower - before picture
  • Rock breaking for new valve chamber - Laing dam
    Rock breaking for new valve chamber - Laing dam
  • Rock breaking for new flow meter chamber - Laing dam
    Rock breaking for new flow meter chamber - Laing dam
  • Remove church bell and concrete tower - picture during removal
    Remove church bell and concrete tower - picture during removal