ᐅ Are project phases 1 to 4 sufficient, or is phase 5 also necessary?

Hello dear community,

we have commissioned service phases 1-4 through our architect.
We are not sure what service phase 5 includes or whether we need it.

Could someone explain the difference or provide examples?

Kind regards

In my opinion, you will definitely need work phase 5, as these are the detailed plans that the craftsmen/companies use on site for construction. Work phases 1 to 4 cover everything from planning to obtaining the building permit / planning permission. Work phase 6 is only relevant if you plan to contract the trades separately. For a turnkey build, this is not necessary.

Piotr1981 schrieb:

In my opinion, you will definitely need phase 5, as these are the detailed plans that the contractors/tradespeople on site use for construction. Phases 1 to 4 cover the planning up to obtaining the building permit / planning permission. Phase 6 is only relevant if you plan individual contracts for the trades. With a turnkey build, this is not necessary.

Are the plans from phases 1 to 4 not sufficient for the shell builder?
Thanks in advance

Familie HV schrieb:

Are the plans from design phases 1-4 not sufficient for the structural contractor?
Thanks in advance

No, because all relevant building materials, products, performance specifications, technical data, and, if applicable, required manufacturers must be specified. For example, which bricks, insulation, etc. Detailed construction drawings are usually at a larger scale than the design plans (floor plans and sections at 1:50, details from 1:20 up to 1:1).

Piotr1981 schrieb:

No, because all relevant building materials, components, performance values, specifications, and, if applicable, required manufacturers must be specified. For example, which bricks, insulation, etc. Execution drawings are usually at a larger scale than the design planning (floor plans and sections at 1:50 scale, details from 1:20 to 1:1 scale).

We have an energy consultant (KFW support) who defines the materials. Isn’t that sufficient?

I have an example image from our friends. Is this plan from design phases 1-4 or phase 5? (Unfortunately, they don’t know either.)

Familie HV schrieb:

We have an energy consultant (KFW supervision) who determines the materials. Isn’t that enough?

I have an example picture from our friends. Is this plan from service phases 1-4 or service phase 5? (they don’t know themselves, unfortunately)

An energy consultant will NEVER determine the materials. Primarily, the structural engineer specifies what needs to be done (depending on many factors to consider). The energy consultant may suggest increasing the insulation thickness. Often, collaboration between the energy consultant and the structural engineer is recommended.

They don’t know?
That’s unfortunate! They should!
I can’t answer that.
Why don’t you ask your architect?