28.4  Design Standards

The Service Provider shall ensure that:

(a)  any works will comprise only materials and goods which will be of sound and merchantable quality and have been manufactured or prepared in accordance with the Output Specification and with the quality assurance procedures established pursuant to clause 36 (Quality Management and Safety) and all workmanship shall be in accordance with sound construction practice applicable at the time of construction; and

(b)  subject to the terms of the Review Procedure, the design of any Project Network Part (including any works affecting a Structure) shall be carried out by and/or supervised by persons who are suitably qualified and experienced so to do and in particular have adequate previous experience of the part of the design they are carrying out or supervising.