1 size of project: the shorter the pipe that is to be lined, the more it costs per ft. 2  So 50â² of 3â³ pipe under a house might run $140 per foot, but 3000â² of pipe in a high rise condominium might run $125 per foot.
How to charge a battery. An average car battery has a capacity of around 48 amp hours which means that, fully charged, it delivers 1 amp for 48 hours, 2 amps for 24 hours, 8 amps for 6 hours and so on.f there is a power point handy, the battery can be left in the car, so long as the charge rate is only 3 or 4 amps. However, if the car has an alternator, disconnect the battery. beforehand: otherwise some alternators-generally the older type-can be damaged. If separate. caps are fitted, remove them for ventilation.
In order to recharge your car battery while driving you will need to operate the vehicle over 1,000 RPMâs for a sustained period of time. The longer the battery has been dead, the longer it will take to fully recharge it.However, by driving for at least a half an hour at 1,000 RPMâs, you should charge your battery enough that you will be able to restart the vehicle once you turn it off.he longer the battery has been dead, the longer it will take to fully recharge it. However, by driving for at least a half an hour at 1,000 RPMâs, you should charge your battery enough that you will be able to restart the vehicle once you turn it off.