Job Book 9th Edition - Book - Page 156
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Stage 2 > Concept Design: Supplementary Material: 2/SM1
• schematic layout of the building (or more developed design as appropriate)
• specific requirements as to forms of construction, materials, services,
finishes, equipment, etc.
• specification information, probably including performance specifications
• room data sheets
• equipment and fitting schedules
• details of special programming requirements (e.g. phased completion)
• contract data or special requirements (e.g. named subcontractors, ‘Asconstructed’ Information)
• requirements concerning contractor’s design liability, insurance cover,
design team, requirement to use employer’s designers, etc.
• clear statement of the extent of information and detail to be included in the
Contractor’s Proposals
• content and form of the contract sum analysis.
It is generally accepted that too specific an approach to design and constructional
matters, or the specifying of proprietary systems and materials, may reduce the
contractor’s design liability in the event of a failure.
Contractor’s Proposals
These will be in direct response to the Employer’s Requirements. Architects
acting as consultants to a contractor client will first need to check the information
provided to establish whether it is adequate. A query list is often necessary to
obtain clarification on matters of conflict or omission.
Submissions sometimes take the form of an A3 brochure, and typically include
the following:
• design drawings (e.g. site layout, floor plans, elevations, principal sections,
some detailed drawings, landscaping)
• structural details (e.g. foundation and structure general arrangement
drawings)
• mechanical services (e.g. layouts of ducts, pipe runs, schematic indications
for all systems)
• electrical services (e.g. floor layouts showing lighting, power, alarms)
• specifications (e.g. particular for trades prescription and performance,
general specification for workmanship, materials, finishes)
• programme (e.g. bar chart)
• method statements (e.g. general organisational matters and, in particular,
Health and Safety Plan proposals).
The tender figure will usually be required to be made separately. With it will be
the contract sum analysis.
