You will be familiar with tennis by now. I bash a ball at you, and you bash it back again. The umpire keeps score. JCT80 is the same idea when it comes to keeping score on the value of variations. The new game is called The Contractors' Price Statement .
Variations are very popular.
They are the strawberries and cream of every construction site. First, the client is invited to change his mind, have a longer building, have another floor, have a pitched roof instead of a flat one, have a swimming pool instead of a car park. Builders love variations. The first bash of the tennis ball in this new JCT game is when a variation instruction is given by the architect. And, assuming it is a real variation.