I just had my Septic tank pumped out. And discovered that the prior owner of the house had lost or broken the inspection hole cover. This is not the primary opening, just one over the outflow pipe to the septic pit.
He placed several two inch thick foam squares over the opening, and then placed a metal ammo box over the foam, and pieces of broken cinderblock around the area, and then buried it all. What a great cover!
I would like to create some sort of replacement cover for this opening, since I can't seem to find any for sale. My thought is to try to create a concrete form, but I have never worked with concerte in this way.
I haven't measured the opening, but it is approximately a 1x2 opening. Could someone please provide me with some tips? Can I make a casting or form or something and bury it before it has completely cured?
I hear we are expecting rain the day after tomorrow, so I need to get this buried before my empty tank fills up again!