# Box Gutters Sumps and Overflows ### Issue Image: ![[Pasted image 20241219145119.png]] ## Issue Description: - All Box Gutters must drain to either a Sump or Rainwater Head. - All Sumps and Rainwater Heads must have an overflow. - Box Gutters, Sumps, Overflows and Rainwater heads all have very specific sizing requirements. - These areas are frequently neglected by the Stormwater Engineer and the builder and the subcontractor are left to resolve this. - This also includes Metal Awnings. ## Actions to Prevent this Issue: - [ ] Stormwater Engineer shall provide sizing and detailing for all Rain Water heads, Box Gutters, Sumps and Overflows to projects with Metal Roofing - [ ] Consider using Dambuster products these are excellent! [DAMBUSTER](https://www.dambuster.com.au/rain-heads/) ## Source