Buy Nds Storm Wtr Leach System Fwas24 Drainage SystemNds Storm Wtr Leach System Fwas24 Drainage System Product Description:
- Used to relieve heavy
- ground water areas
- 3 side panels and top cover
- Capacity 49 gallons
- MFG from recycled
Product Description
Storm Water Leaching System, It Is A Structural Polyolefin Round Drywell System With UV Inhibitors, The Unit Contains 3 Side Panels, & 1 Top Panel, & It Fits 4' Sch-40, & 4' DWV Pipe, It Holds 40 Gallons, With 18 Each 1.5' Knockout Leaching Ports, & 3 Each 4.5' Knockouts Inlet/Outlet Ports Per Panel.
Customer Reviews
Most helpful customer reviews
9 of 9 people found the following review helpful.
Does the job
By B. Goldstein
I installed one of these (made by FloWell) a couple years ago. Well made, should last forever. Be sure and do the necessary calculations to determine how many of these you need, and how big a hole to dig. The city of Portland publishes some helpful guides online for home drainage problems.Also be sure and use the proper fiberglass surround cloth on the outside to keep the drywell from silting up.
3 of 3 people found the following review helpful.The way to go
By Robert M. Koretsky
I agree with what the other 5 star reviewer says about this device, it is well made and, if you follow the instructions provided by the manufacturer to make certain that you don't overrun it's capacity, it will work for you. I live in Portland Oregon( need I say more?), and when I disconnected my rainwater downspouts as recommended by the city, I read the government literature on the Flo-Well and then went to the NDS website and researched more. I bought 2 of them from Lowes, free shipping, cost less than $75 each.Just a couple of helpful hints about installation( no need to read these if you are not a DIYer!)-1. The small, nominally 1" plastic knockouts, of which there are 54 in the sides of the container, can be quickly and easily removed using a 1-1/4" hole saw from the inside. I pre-drilled the center location with a smaller bit than the center bit in my hole saw, and used it as a guide pilot to make sure the hole saw took out the drain hole in as close to as possible a position relative to the thinning of the structural foam. The hole saw kind of melts through the plastic, so it was somewhat of a pain to have to keep cleaning out the hole saw, but I used a small adjustable pliers to "turn" the melted plug out of the hole saw after I finished drilling out each hole. I watched the video NDS provides, and it shows a man knocking them out with a hammer and punch- he's a better man than me, I couldn't do it this way. In retrospect, since each of the 3 side panels is curved, it was difficult for me to hold a panel down flat and secure, and use a punch in one hand and a hammer in the other. In the method of hole-sawing I just described, I clamped the panel on a workbench at a point where the curve was tangent to a flat surface, and did my pre-drilling and hole sawing with the panel secured to the workbench. If you punch the holes out from the inside you might want to lay each panel in a sand bend that fully supports it while you do the punching. That might have worked better for me.I haven't cut out the 4-1/2" holes for input and output yet, but when I do, I'll put some commentary on that in here. Both these methods should be in an FAQ on the company website, and explained fully!2. As the NDS instructional video shows, I will put 3 or 4 inches of gravel under the Flow-Wells open bottom, and wrapped the drum in the provided cloth to prevent silt from clogging it up.3. As the NDS instructional video shows and NDS RECOMMENDS, I will put my own 4" floor drain and 9" long ABS overflow at the top of the drum, not the $40 overflow drain that NDS sells. Putting that overflow on the drum ensures that if you have a huge quantity of water coming into the drum, it doesn't back up through your delivery system of pipe, and overflow at the point your downspouts enter the ABS or PVC standpipe. This will prevent flooding at the wall your downspouts are coming down, which for me would flood my basement!All in all, an excellent professionally designed and manufactured device. Be ready to do some digging at installation, and find an inexpensive source of 3/4 minus gravel or bigger river rock- and don't fill up the drum with it!!!
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