We don't send technicians up towers at night because of Health and Safety restrictions. We do have redundant equipment at our towers but our genny was stolen at the Bryanston tower during a power failure and no amount of redundant equip will work without power.
We will also install redundant towers when we deploy our Mobile WiMax network and that will happen when ICASA gets its act together and allocates us our own spectrum.
Make Michelle stand and guard the tower.
Are you praying that ICASA allocate you spectrum in the same range you're using already?