Which one of the following is NOT a necessity of specifications for construction ?
1
Specification of a work is required to specify the quality and quantity of different materials required for a construction work and is one of the essential contract documents
2
Specification is necessary to specify the equipment, tools and plans to be engaged for a work and thus enables to procure them beforehand
3
Specification is an essential contract document and is required for Arbitration
4
Specification has no impact on changes of cost of materials and tools i.e. the tender rate