Wednesday, August 23rd, 2017

Perspective Drawing for our Tigbauan…

Most Philippine cities have drainage systems of some kind. You will not see separate storm water and waste water (sewerage) systems. Wastewater freely mixes with the stormwater. In practice this is not as bad as it sounds as the volume of storm water is large and may well flush out the drainage system and its contents into the streams and rivers. The installation and maintenance of drainage systems (along with roads and water systems), seems to be one of the major responsibilities of local government. The systems are not necessarily centralized. The idea is to get wastewater to a nearby ditch, stream or river. Ideally, each residence will have a septic tank or cesspool. This can provide some very basic level of treatment of human waste. The output of septic system (septage) is piped to the subdivision or barangay drainage system. Sometimes the drainage system is more or less underground and sometimes it is open concrete ditches. This can be smelly but cheaper and easier to keep clear than covered drainage systems. In many places the …