It's unlikely that in any sort of reasonable arbitration the builders' claim for lost days that are backed up by meteorogical records would be dismissed.

Price adjustments for provisional sums are due and payable at the next progress payment after those PS items are included. They are due and payable at subsequent progress payments…

The HIA contract states that a variation "...must be paid for with the next progress payment, except that any credit to the Owner will be deducted from the Final Payment."

Hi there,
Apologies if that has been answered already on another thread.
I have received an invoice from the Building Surveyor for the foundation stage. Is this our responsibility to…

A standard HIA contract defines a 'working day' as any day that is not a Saturday, Sunday, a statutory holiday, or public holiday in that state.