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.
Once you are familiar with the basics of your battery charger, you can now connect it to the vehicleâs battery. You can charge the battery while it is still inside the car or if it has been removed, either method is fine. First attach the positive (red) clamp to the positive post on the battery.The positive post will have a â+â indicator on it. Next attach the negative (black) clamp to the negative post on the battery.ou can charge the battery while it is still inside the car or if it has been removed, either method is fine. First attach the positive (red) clamp to the positive post on the battery. The positive post will have a â+â indicator on it. Next attach the negative (black) clamp to the negative post on the battery.