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.
Batteries can be charged at different rates depending on the requirement. 1  Typical rates are shown below: 2  Slow Charge = Overnight or 14-16 hours charging at 0.1C rate. 3  Quick Charge = 3 to 6 Hours charging at 0.3C rate. 4  Fast Charge = Less than 1 hour charging at 1.0C rate.