Detail of Specification

Definition:
Specification is the part of contract document which sets out -

• The scope of this project
• Detail of the nature and quality of material and workmanship
• General Information of the project
• Facilities will be provided at site to engineers and other contractors
• Information such as availability of electricity, gas, water etc are required for execution of the project
• Means of access to the site
• Special irresponsibility to the contractors which are not included in condition 

Preparation of Specification

• Information may be gathered from
• Previous Specification
• Site survey investigation
• Employers requirement
• Trader Category
• International Standards (BSTI, ACI, ASCII)
• Trading Drawing

How to Write Specification

• Wording of specification must have following properties 

1. Clear - It must be clear and contains no ambiguity.
2. Correct - Specification convey correctness
3. Concise - It must be concise so that everything can be described within fewest words

• It must be definite and easy to understand
• It must be brief, easy and avoid repetition

Characteristics of Good Specification

• Specification must be brief
• Avoid long sentence
• Avoid long articles
• Use well known and acceptable abbreviation
• Don't say 'either', 'neither', 'and', 'etc' and use 'said' as adjective