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!
EXCLUSIVE: New Couple Alert! 'Empire' Star Serayah Is Dating Rapper Wale. By Zach Seemayer 6:40 PM PDT, October 6, 2015. Empire star Serayah has a new love in her life. The 20-year-old singer-actress, who plays Tiana Brown on the hit Fox drama, is dating rapper Wale, ET has learned. NEWS: 'Empire' Sneak Peek: Watch Tiana Perform Her 'Sexy' New Song. A source tells ET that the couple has been dating since June. Wale, 31, lives in Los Angeles but has another home in Chicago, where Empire films. The two have been working on maintaining a long-term relationship and see each other every few weeks. Though the two have not yet made their romance public, in September, Serayah tweeted Waleâs new song at the time, Spoiled.