refer to contract ref.No6261001.00 and amendment no.1 on dated 27 may 2014 respectively,in Clause 2 of amendment No.1 stated that "Completion of the works,with the exception of the office renovation works : is on July 31,2014" and lause 3 stated that"in case of delay in achieving the milestone dates stated in clause 2 a penalty in the amount of 48,800 (forty eight thousands and eight hudred) THB per day of delay shall be forfeited by TDC ..... and the new aforementioned penalty"