3. Identify the part of the building or (he phase of the assembly sequence described in these sentences:

1. This cannot be put in place until the upper floor steel columns have been erected.

2. Before fixing these, the workmen erect the corner units.

3. During this phase the beams and bracing are fixed.

4. The workmen fix these after constructing the concrete founda­tions.

5. The electric wiring is installed during this phase.

6. When the balustrade fixing plates have been fixed, the workmen can start laying this.

4. Read this description of phase 1 of the assembly sequence:

Having completed the preparation of the site, the workmen begin the initial stage. This includes excavating the ground, constructing the concrete foundations, fixing the column base plates and erecting the steel columns. The workmen begin by excavating the ground. This precedes the constructing of the concrete foundations because they require solid ground to support them. This is followed by the fixing of the column base plates. Finally the steel columns are erected.

Now use it as a model to write similar descriptions of phases 2,3,and 4.

1. Describe the difference between old and new constructions.

2. Read the texts on the disc.

3. Find information about methods of construction, that will be used in future.

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