Detention ponds help control the rate of flow by using a control device that maintains the pre-development rate of flow. The volume of the detention pond is calculated by comparing the pre- and post- development runoff volumes. The difference is the detention volume.
Zayn Malik & Gigi Hadid: Why He Loves Dating Her Even More Than Perrie Edwards. Poor Perrie Edwards. Not only is Zayn Malik happy with his new girlfriend, Gigi Hadid, but he loves her even more than the Little Mix singer, HollywoodLife.com has EXCLUSIVELY learned. Find out why!
Although heâs from Bradford, Zayn is actually a Manchester United fan â Just like Harry and Louis. 12. Zayn vowed that he could never go solo, despite auditioning for the X Factor alone. So, it looks like heâs in One Direction for the long haul.