What is included in a water well dril- ing document?

Te nder documents usually include a Bill of Quantities (BoQ). The items. There is no worldwide standard BoQ for water well dril l- ing. They vary considerably in terms of detail and what is i n- cluded or excluded. Sometimes you will be expected to site the well (therefore include the cost). You may also have to include

How much does a rig cost?

However, when you the BoQ. We shall com e back to this in St ep 5 Determining y our Price. Rig cost $ 170,000, depreciated over 10,000 hour s (Box 4, Example 4). This needs to be charged for every working hour d uring the assignment. Table 4: Drilling Cost Example: 50 m deep borehole (20 m overburden and 30m rock); drilling speed average 4m/h.

How much does a drill rig cost?

Drill rig costing: (a) US$ 500,000; (b) US$ 17 0,000 and (c) US$ 70,000 have been used for the example. It each take 8 hours. Lighter rig s are cheaper and req uire fewer demobilisation costs are less (Table 2). Clearly, if your c ompet i- the specifications, then you are at an advantage. Box 6: We own the equipment, so it is free!

How long does a drilling rig last?

ing equipment in sub-Saharan Africa. However, your drilling rig may last for ten years. If you just have one r ig that means making sure that you earn enough money to pay back the l oan in five years. calculate the repayments (capital and interest) of a loan. The help fun ction. five year period. What taxes do you need to pay, and when?

What is a step-by-step approach to drilled water wells?

Using a step-by-step approach it gives clear guidance on how to cost and price the construction of drilled water wells. It also provides tips on business management with an emphasis of the realities faced in many countries in sub-Saharan Africa.

How does depreciation affect a drilling rig?

your drilling rig) over its lifetim e. Depreciation is the reduction tear, rust and decay. By reserving the money that you have the equipment. Box 4 provides an explanation of how depreci a-