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GT Consulting Engineers follow the RIBA stages of work. This is a document that outlines all stages in the planning, design and building process, from conception to completion on site.

Communication is key to any project and GT Consulting Engineers would ensure this is maintained throughout the design process to ensure all the project requirements are delivered.

Collaborative working is essential to any project to increase creativity, perspective and innovation. GT Consulting Engineers we work with other collaboratively with other project stakeholders to ensure a complete design.

Below is a summary of the core stages.

  • 0-3: Concept & Design
  • 4: Technical Design & Tendering
  • 5-7: Construction & Conclusion

Stage 1

Preparation and Briefing, as the name suggests, uses the information gathered at the previous stage to draft an initial MEP project brief:

  • What are the project objectives?
  • What are the client requirements?
  • What is the client’s Business Case?

Usually, this will also include any relevant feasibility studies, site/building surveys and an initial risk assessment. Gibbs & Tregidgo can undertake condition surveys to understand the condition of existing MEP plant and equipment. An appraisal of the project cost is also outlined, along with forming a procurement strategy.

Both of these will be informed by experience from previous similar projects.

Stage 2

Stage 2 is Concept Design, and this is likely the stage at which the client receives the first visualisations or drawings of the design ideas developed from the project brief. There may be meetings, workshops or general correspondence to discuss iterations of the concept design.

Stage 3

GT Consulting Engineers can assist through this costing information and advise the Client as the relative merits of tenders, prices and estimates received for the mechanical, public health and electrical part of the works.

Stage 4

Technical Design is a refinement of the existing design, essentially preparing the necessary drawings and documentation for tendering. It often involves approaching relevant specialist subcontractors, such as Fire Alarm and Security Alarm Specialists, lightning protection specialists and renewable energy specialists.

The level of detail required may vary according to the type of procurement and the nature of the project.

As with planning, the stage at which the tender process occurs may vary; traditionally it is done at the end of stage 4. However this may be carried out at the previous stage 3 depending on the level of detail needed by contractors to price their works correctly. GT Consulting Engineers can assist through the tender and advise the Client as the relative merits of tenders, prices and estimates received for the mechanical, public health and electrical part of the works.

Stage 5

RIBA stage 5 signifies the start of Construction. The design is generally considered as complete at the start of the Construction stage. Gibbs & Tregidgo M&E engineers will be on hand to deal with any MEP Design Queries. Our role at this stage will vary. In some cases, particularly where a compressed programme is key, stages 4 and 5 will overlap or progress simultaneously.

Gibbs & Tregidgo will inspect the works during construction and on completion and, in conjunction with site staff, record any defects and advise the Contractor and the Project Manager of any items incomplete, defective or not in accordance with the contract documents both during construction.

Stage 6

Stage 6 of the RIBA Plan of Works is the Handover phase. This stage concludes all aspects of the Building Contract, including rectifying any defects on the Contractor’s part and producing the final certificate on the Contract Administrator’s part. In some situations, it may include commissioning, to ensure the building functions properly.

GT Consulting Engineers will witness a representative sample of all systems setting to work and dynamic commissioning and countersign record documents. Document any items requiring further action and check that all final test and commissioning data has been provided.

Stage 7

The in-use stage of the RIBA Plan of Work exists as a form of aftercare service for the Client. This may include any requests for as-built drawings, any discussions regarding future alterations or additional work, or general advice with regards to:

  • Maintenance
  • Energy certificates or consumption
  • Letting or tenants queries
  • General management of facilities

GT Consulting Engineers can assist in these services, if required, should be outlined in the initial appointment agreement.

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