Hiap Seng Building Construction Pte Ltd v Hock Heng Seng Contractor Pte Ltd

Building and Construction Law — Dispute resolution — Legal proceedings — Whether adjudication determination was severable; Building and Construction Law — Statutes and regulations — Date of service of payment response — Section 11(1)(b) of the Building and Construction Industry Security of Payment Act; Equity — Estoppel — Promissory estoppel — Contractor objecting that it served an invalid payment response — Whether contractor was estopped from making that objection for failure to speak up earlier