Technical specifications are written requirements and instruction which is used with construction drawings to complete heavy civil construction projects. So, information provided in technical specifications and construction drawings are different.
If the information provided in technical specification conflicts with those provided in construction drawing, the provisions of the former will precede those of construction drawings.
Technical specifications provide information about civil projects which is not provided in construction drawing. Information provided in technical specifications of heavy civil projects are as follows:
Testing requirements for quality assurance and quality control.
Steps for equipment and material placement
Detailed material requirements
List of materials and equipments which are not provided or shown in construction drawings
Construction sequence and restrictions
Submittal and schedule requirements
Measurement and payment provisions for all work items
Coordination with other contractor at work
Permits achieved by owner
Responsibilities
Safety issues
Reference data for instance field and laboratory test data, records of existing site and facilities, stream flow records, and climatic data