Building Construction
Pick up the correct specification of one-room quarters generally adopted from the following:

The front verandah is kept 2 m wide
Six quarters in a row
The size of room is either 3.5 m × 3 m or 4.2 m × 2.5 m
All listed here

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Building Construction
In a colar beam roof

There is a horizontal tie at almost the middle of rafters only
There is no horizontal tie beam
There are two horizontal ties, one at the feet and other at the middle of the rafters
There is a horizontal tie at the feet of rafters only

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