Hold down for new septic holding tank

Status
Not open for further replies.
D

Dan Rumrill

Have removed the old aluminum tank and am struggling with the best way to anchor the new ronco plastic tank. I am inclined to use webbbing with buckels but cannot find the right components. Any suggestions including sources for materials? Thanks DanR
 
K

Ken Palmer

Sporting goods store

I bought the materials, webbing and plastic snap buckels, at a local sporting goods store. Easy to install and use. My tank is a 13 gallon plastic tank bought at West Marine, installed on a Hunter H33. Ken Palmer, S/V Liberty
 
J

Jim Rushing

Keep It In Place

The problem with a holding tank is that when it is full, it is a lot of weight. Remember, a gallon of water weighs 8.3 lbs. As you heel, it wants to slide around. So it needs to be blocked into position besides having hold down straps.
 
B

Brian Leney

Ronco tanks and hold-downs

I agree with Jim, you need to block the tank from sideways movement in addition to using straps. I suggest using strips of 3/4" thick Starboard or similar material that are screwed to the floor and butted up tightly against the tank (screw them in place before putting the tank in). For the benefit of others who are also considering a Ronco tank and wondering about hold-down options, please be aware that, if you ask, Ronco will weld hold-down tabs on to your tank when you order it (along with the other customization you will request of them). Just tell them exactly what you want. When I ordered the replacement tank for my Hunter 37.5, I had Ronco weld on 1/2" thick poly tabs around the bottom of the tank that replicated the aluminum tabs on the original aluminum tank that I was replacing. Makes installation a snap--just screw the tabs to the floor or stringers and your tank is as well-fastened as the original (assuming that was the way it was fastened to begin with). Ronco charged me $5.00 per tab, but was worth it in not having to design and shop for parts for a new fastening system.
 
P

Peggie Hall/HeadMistress

More important to brace than tie down

Tanks aren't likely to bounce up and down much, but they will slide as the boat heels from side to side or slides down the tops of a following sea if not braced. Quarter round or picture frame moulding epoxied to the hull (or whatever the tank is sitting on) at all the bottom corners will keep it from moving...you can secure it with lawn chair webbing and a buckle. All you need to make straps is a grommet tool.
 
K

Ken Palmer

Depends where it is mounted

My tank doesn't slip and it has been there for 5 years now. I think that because it is mounted parallel to the bulkhead (adjacent to the starboard hull) it doesn't have room to slide. If it were mounted parallel to the hull then it should be braced. Ken Palmer, S/V Liberty
 
E

Ed Schenck

Lowes or Home Depot.

The straps in the picture(Related Link) are rated at over 3000#. Just check the aisle where the rope, bungee cords, and holddown straps are located.
 
D

Dan Rumrill

Thanks for all of the input

I appreciate all of the responses to my question. As it turns out, I used stainless footed loops and two inch webbing with large plastic clam locks to hold the tank down. Then I blocked each side by screwing two by two cedar blocks into the decking snug up agaisnt each side. This was no cake walk and I have about four six-seven hour days of working alone on the job. I replaced all hases, the tank and most clamps. I really value the shared ideas from each person who took the time to respond. Thanks again..Happy to be done and goin sailing on Friday!
 
Status
Not open for further replies.