Check to see if the tank is full... if it is check why the pump is not emptying it. If it is empty then there is probably a clogged or missing vent.
No you cannot wet vent an ejector pump and no you cannot vent through a side wall. It must go through the roof.
Normally you just replace it as it is not cost effective to replace the switch or float assembly
Install a Backwater valve
Yes, bateria such as E.coli is found in sewage and is really bad for your health.
Frozen sewer out side
This sounds like an expensive proposition, but if this will add a second bathroom, it might be worth the cost should you ever need to sell. Not sure what a sewage ejector pump is, but you might want to update that as well.
The fan can be found in applications as diverse as huge blowers used to bubble air through sewage water and industrial waste, to street cleaners and industrial leaf blowers.
Yes. If the sump pump is used as a sewage lift station, objects going into the toilet (especially forign objects) can cause the pump to clogg. These pumps are usually referred to as sewage ejector pumps. If the sump pump is only used for stormwater runoff, and foundation drains, then no, the toilet is a separate system and would not affect it. These are referred to as sump pumps. Except in unusual circumstances, such as when a toilet overflows, and drains into the basement floor drains for instance, these are totally separate.
The sewage pump out is installed downstream of a bathroom group from the upstairs plumbing Consult a plumber and/or the plumbing code. If you do this wrong you WILL regret it later. Keep in mind you are dealing with raw human sewage. Do it right the first time, for your own sake.
Sewage is whats in the sewer. Sewage is human waste, water, and even rainwater which collects via a sewer and then gets transported through pipes underground to sewage plants.
If microorganisms are used in the water treatment plant then it is necessary to provide oxygen to them and make the sludge degradation through them so air is bubbled for oxidation as well as for microorganisms.
the pros of building a floor for a basement out of wood is that if there is some soort of sewage pipe leake then you dont have to pull out the jack hammer or hammer and chisel. the con is termite, ants, insects and, rot