Posts tagged as quality

National aerial imagery quality improved

The Chief Directorate: National Geo-spatial Information (NGI), under the Department of Rural Development and Land Reform (DRDLR), has improved its digital imagery acquisition by changing its resolution from 0,5 m to 0,25 m ground sample distance (GSD). In 2005, NGI noticed a global trend towards digital image acquisition and decided to acquire its imagery using […]

Supraharmonics in transmission and distribution networks

Standards for harmonics in power networks (transmission and distribution) usually deal with the range below 2 kHz, as most of the harmonics due to waveform distortion fall into this range. Harmonics or disturbances in the range above 2 kHz are becoming noticeable in networks due to the introduction of inverter based distributed generators, and are […]

Times still tough for consulting engineering industry

  Consulting Engineers South Africa’s (CESA’s) bi-annual economic and capacity survey for the period January to June 2016, which was recently released, indicates that times remain tough. Confidence levels amongst firms have deteriorated over the last few years, alongside modest increases in fee earnings. The outlook for gross fixed investment has deteriorated and expected to […]