You may work in groups or individually for this assignment. Of course, expectations are higher, and

mistakes graded less leniently for a group as compared to an individual assignment as more than one

engineer$-$to$-$be is assumed to review and approve the work before submission.

You must show your calculations.

A contractor is considering buying a new mobile crane for their construction project. The crane costs

$10,000,000TL,$ where the cost includes the cost of tires $(10\mathrm{.}120\mathrm{.}1221).$

a$.$ Calculate the hourly fixed cost of owning$/$buying a mobile crane by using the procedure

followed by Turkish Ministry of Environment and Urbanism and assuming $8$ years of useful

service life and $2,000$ hours of work per year, and an interest rate of $8\%.$

b$.$ Calculate the hourly fixed cost of owning$/$buying a crane by using the procedure followed by

Turkish Ministry of Environment and Urbanism and assuming $8$ years of useful service life

and $2,000$ hours of work per year, but by considering the cost of tires separately. Assume

there are $8$ tires and a set of tires costs $160,000$ TL and can be used for $2$ years. Take

maintenance cost as $15\%$ and transportation cost as $5\%$ of depreciation of tire.

c$.$ Calculate the hourly operating cost of owning the loader if the machinery requires $1\mathrm{.}20hrs$

of operator time and diesel fuel. Also calculate total cost.

d$.$ The contractor wants to carry out a more detailed analysis for total cost with estimated use

conditions and variables as follows: $2,800$ hours of work in a year; $45\%$ for interest rate $"$i$"$;

$34\mathrm{.}00T\frac{L}{k}g$ for diesel fuel; and consider tires cost separately.

e$.$ If you were in the business of renting out construction machinery, how much would you

charge on a daily basis if you only provided the machinery and not the operating costs, as well

as if you rented the equipment together with labor and fuel costs $($lump sum cost to the

renter$).$

Following data will be needed in your calculations $(19\mathrm{.}100\mathrm{.}1104)$:

Engine Power $=240HP$

Diesel Fuel $=23\mathrm{.}77T\frac{L}{k}g$

Operator Salary $=130\mathrm{.}00T\frac{L}{?}$ hour

Diesel Fuel Consumption $=0\mathrm{.}0855k\frac{g}{H}P$