BR Piling Pte Ltd was contracted to install bored piles and construct a basement car park for a13-storybuildinginSingapore.Thepilingcontractorcompletedtheworksandhandedthesiteto the architect by the stipulated deadline. The architect was engaged by the owner and wasresponsibleforthedesign andsupervisionofworksfortheentire project.Twoweekslater,theproject's superstructure work was awarded to another contractor, KC Contractors at a lumpsumpriceof$25million usingtheSIALumpSumcontract(9^thEdition).Thecontract durationis12 months commencingfrom 1^st Jan 2020.

Prior to the project's completion date, the architect granted an extension of time (EOT)of ten days to KC Contractors but they failed to complete the works by the extendedcompletion date. On 12 January 2021, the architect gave a written order to require KCContractorstodoadditionalwork andgrantedafurtherEOTfrom12^thto15^thJanuary 2021. However, KC Contractors only managed to complete all the Works (includingadditionalworks)on 20^thJanuary2021.

State what are the relevant dates and types of certificates the architect must issue from thecontract completion date to the end of the maintenance period including the implications of each certificate. (Assume the delayed certificate is issued one day after the contractcompletiondate)

Calculatetheliquidateddamages duetotheowneriftheliquidateddamagesrateis

$2,000perday(inclusiveofSaturdays,Sundays, andpublicholidays).