If the event or situation that caused the claim has a continuing impact:The detailed claim shall be regarded as a temporary claim;The contractor shall send further temporary claims at monthly intervals, giving the accumulated delay and/or the amount of the claim, and other details reasonably required by the engineer;The Contractor shall file a final claim within 28 days after the termination of the consequences of the event or situation, or within other time limits suggested by the Contractor and approved by the Engineer.Within 42 days after receiving the request or any other detailed information supporting the previous request, or within other time limits suggested by the engineer and approved by the contractor, the engineer shall respond with approval, disapproval and detailed comments. He can also ask for any necessary further details, but should still respond to the principle of claim within this time.