Assertion: retrofit | /r/HasProperty | carried out one building side
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Source sentences:
text: Worksheets ‘VARIANTS’ and ‘WINDOWS’ with allocation of different specifications Entering retrofitted building parts, single dwellings only or extensions into PHPP will be trickier: • If the retrofit is carried out one building side after the other or not all elements of one component are improved in one step, this can be done by creating sub-variants (indicated with letters ‘a’ to ‘z’ in the worksheet ‘VARIANTS’) of exactly the same type and allocating these to the windows that will be modernised in the corresponding step (in this case, the south-facing windows are retrofitted first, all other windows on the north or west side will be replaced later)