http://www.epd.gov.hk/epd/english/en...ide_wpc_dv.pdf
just found this - supposed to check em every 6 months...
http://www.epd.gov.hk/epd/english/en...ide_wpc_dv.pdf
just found this - supposed to check em every 6 months...
scrambles how much did it cost you to get them out?
1400 - seemed reasonable and they werent arsy about the manhole covers being blocked the first time they came.
they say best do once a year an lucky we aint a new Villiage house cos they dont have the run off - so needs changing every few months..