Handbook of Civil Engineering Calculations

TABLE 7. Sludge and Other Products of Sewage-Treatment Processes per Million Gallons of Sewage Treated* Trickling filter humusta ...

sludges, and animal slurries can also be digested in this process (Valorga) developed by Valorga SA (Vendargues, France). This i ...

SECTION 9 ENGINEERING ECONOMICS MAX KURTZ, P.E. Consulting Engineer CALCULATION OF INTEREST, PMNCIPAL, AND PAYMENTS Determinatio ...

Declining-Unit-Use Method of Depreciation Sum-of-the-Digits Method of Depreciation Combination of Time- and Use-Depreciation Met ...

ANALYSIS OF BUSINESS OPERATIONS Linear Programming to Maximize Income from Joint Products Allocation of Production among Multipl ...

REFERENCES: Kurtz—Handbook of Engineering Economics, McGraw-Hill; Barish and Kaplan—Economic Analysis for Engineering and Manage ...

Compound interest—uniform-payment series: R = sum paid at end of each interest pe- riod for n periods; P = value of payments at ...

USPW = - (6a) CR = / (7a) Compound interest with continuous compounding SPCA = eJ" (10) where e = base of natural logarithms = 2 ...

Apply the SPCA value given in a compound-interest table Look up the SPCA value for the interest rate, 2 percent, and the number ...

Compute the annual deposit corresponding to this future value Obtain the SFP factor from the interest table for / = 3 percent, ...

Calculation Procedure: Compute the interest earned by $1 per year With four interest periods per year, the interest rate per per ...

FIGURE 1. Time, receipt, and payment diagram. x = payment made on January 1 of year 5 and 1.5* = payment made on January 1 of ye ...

Set up an expression for the principal In the sinking fund at the end of the twelfth year From Fig. 2, principal = $200,000(USC ...

provide for the payment of equal rather than uniformly varying sums. If the interest rate of the loan was 8 percent, what was th ...

form a geometric progression (i.e., the ratio of a given payment to the preceding payment is constant). In this instance, the de ...

FUTURE VALUE OF UNIFORM SERIES WITH CONTINUOUS COMPOUNDING An inventor received a royalty payment of $25,000 at the end of each ...

Calculation Procedure: Compute the cash-flow rate Where money is invested daily, the cash flow may be considered to be continuo ...

STRAIGHT-LINE DEPRECIATION WITH TWO RATES An asset having an initial cost of $30,000 has a life expectancy of 15 years and an es ...

and depreciation is charged for one year beyond the cost-recovery period. If the salvage value that accrues from disposal of the ...

SINKING-FUND METHOD: DEPRECIATION CHARGES An asset costing $20,000 is expected to remain serviceable for 5 years and to have a s ...