Reinforced Concrete
Process (RC)

• It requires 5 times longer for construction than UST system does.
  Precast Concrete System (PC):
  It is very expensive. Due to the heavy products, it requires the operation of heavy equipments.

Precast Concrete
System (PC)

• It is very expensive. Due to the heavy products, it requires the operation of heavy equipments.

Merit of UST System

• Void ratio is 95%.
• Any type of water tank is acceptable.
• Due to very light weight, it is available to be installed under the unstable soil.
• It does not require heavy equipments to be installed. It is safety and short term construction.