3 E's for Construction:

EXPEDITES completion of construction

 EFFICIENTLY and

 ECONOMICALLY.

Advantages:

• Lift Slab is lowest in production cost

• Achieves faster completion

• Delays in establishing production facilities (e.g. processing plant) are avoided

• Capital investment in equipment is not required

• Transportation requirements are minimized

• Requirements for skilled and experienced operatives are minimized

• Use of local materials and labour is maximized

• The viability of adopting Lift Slab is not as sensitive to the size of location of projects as industrialized systems

• Reduced handling and hoisting of materials and supplies that can simply be placed on top of the slabs and lifted with them.

• Structures are generally erected in about two-thirds the time required for similar poured-in-place buildings

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Lift Slab, using a structural flat slab construction (with post-tension tendons), was developed to provide a fast and economical method of building construction. Here, the reinforced concrete flat floor and roof slabs of a multi-storey structure are cast, one after the other, around its steel columns at ground level applied with a separating chemical mixture between each slab and employing the ground floor level slab as the initial soffit form for the succeeding concrete floor slabs to be concreted, thus removing the tedious and substantial formwork required on each floor level construction.

After the slabs’ concrete have matured, they are lifted by hydraulic jacks to their correct position and then permanently connected to the columns. 

LIFT SLAB SYSTEM