a foot of No. 5 grade stone above and below a corrugated high-density polyethylene (HDPE) drainage pipe – could be used for water retention. The innovative project would make a retention pond ...

HDPE pipes and fittings are extensively used in drainage systems. Key advantages include portability and ease of installation. Moreover, HDPE pipes are versatile and can be utilized for a wide ...

SINGAPORE: Malaysia's Works Ministry will emphasise the adoption of the Environmentally Friendly Drainage Master Plan to address flood-prone urban areas to create disaster-resilient cities ...