The delegation stated that by listening to the presentation it became clear that the problem was too wide and complex; therefore it required an extensive investigation by the national Department of Human Settlements. The quality of most houses was not acceptable. The NHBRC needed to strengthen its inspectorial duty in respect of most projects. Government needed to intervene in the provision of adequate shelter. The department should assist those who did not qualify for RDP houses to be connected to sewerage. Gauteng sewerage was collapsing as the Vaal sewer reservoir was full. It was built to accommodate only 2 million people, but the population has since grown to 11 million people. There was a need to build a new sewer reservoir in the area.