(1) What is the maximum monetary amount for expenditure over which a certain person (details furnished) has signing authority; (2) whether, since the inception of the Hartbeespoort Dam remediation programme, the said person has exceeded his signing authority for expenditure; if not, how was this conclusion reached; if so, what are the relevant details; (3) whether Rand Water appoints the contractors to the remediation programme; if not, why not; if so, what are the relevant details; (4) what is Rand Water’s responsibility regarding the remediation programme?