# Engineering Mathematics

**busaxirilwam**

I need someone very good in Engineering mathematics

A new highway is to be constructed. Design A calls for a *concrete* pavement costing $7575

per foot with a 1212-year

life; twotwo

paved ditches costing $44

per foot each; and threethree

box culverts every mile, each costing $7 comma 0007,000

and having a 1212-year

life. Annual maintenance will cost $1 comma 7001,700

per mile; the culverts must be cleaned every threethree

years at a cost of $300300

each per mile.

Design B calls for a *bituminous* pavement costing $4040

per foot with a 66-year

life; twotwo

sodded ditches costing $1.551.55

per foot each; and twotwo

pipe culverts every mile, each costing $2 comma 1502,150

and having a 66-year

life. The replacement culverts will cost $2 comma 3502,350

each. Annual maintenance will cost $2 comma 7002,700

per mile; the culverts must be cleaned yearly at a cost of $235235

each per mile; and the annual ditch maintenance will cost $1.701.70

per foot per ditch.

Compare the two designs on the basis of equivalent worth per mile for a 1212-year

period. Find the most economical design on the basis of AW and PW if the MARR is 1010%

per year.

LOADING...

Click the icon to view the interest and annuity table for discrete compounding when the MARR is 1010%

per year.

- 18 days ago
- 4

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