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<br /> City of Arden Hills <br /> Budget Analysis Report <br /> May 04, 2006 <br /> Page 4 <br /> - --------- --. ----------- - - ---- ....--.... . ..-------.-l <br /> . Pavement Management Pavement Benefit <br /> I <br /> 100 I <br /> ___ n_._. ..____., ___.... .__._----_.~--_._-- --- ..------ <br /> .. . .------ <br /> "- rCI Aftef MwrJteIllice <br /> , . <br /> X '". Area ofMamlenaul,;t Benefit <br /> (l) : D"~~',"_M___"", ,'un _~. .un <br /> U <br /> C <br /> C <br /> 0 <br /> +=' ! <br /> '6 <br /> C PCI beff'lfe Ivhunvnl1nce i <br /> 0 I <br /> 0 DP.'cay Cluve l.....tle! MalnteHtl!J.ce I <br /> c 40 ____. _____.. __un . u_ _____. --------.- <br /> (l) i <br /> E I <br /> i <br /> (l) , <br /> > <br /> n:s 20 -------. . ._-.. . - - - .... -.. - - - - - -'~ .. .. - - - - ... _.. <br /> CL <br /> 0 n__ "'------y---r-----.----.. y---r---", . - T" --,-------.---J --.----,.----.,.- n. "I T"--'~---r'---- I <br /> 0 5 10 15 20 25 30 35 <br /> Age Since Construction <br /> I <br /> I <br /> . ...----- . .-. ----. ..----. --..-. ..--.-- _.....___._ _ I <br /> Figure 2 <br /> . The shaded area is the benefit provided by the maintenance being done at some point <br /> in time. Factors that influence the benefit are: <br /> . type of pavement (determines which decay curve to use); <br /> = age of pavement (affects the rei increase); <br /> . type of maintenance proposed (affects the PCI increase); and <br /> . cost of the proposed maintenance (affects the cost/benefit ratio). <br /> In most cases, the maximum benefit or extension of pavement life may be provided by <br /> some combination of maintenance procedures as opposed to using one type of <br /> maintenance, since combining maintenance techniques often provides larger increases <br /> in the PCI. The benefit of performing each type of maintenance is then divided by the <br /> calculated cost to determine the cost/benefit ratio of each alternative. Note that there <br /> are limiting conditions that may prohibit a procedure from being selected such as lack of <br /> funding or minimal PCI increase for the selected maintenance procedure. <br /> Prioritized Work Plan <br /> Maintenance and repair work can be prioritized in a number of ways. Pavements in the <br /> worst condition can be fixed first. Pavements in the best condition can be fixed first. An <br /> optimal prioritization method distributes funding between the preventive maintenance of <br /> "good" to "excellent" pavements; the rehabilitation of "fair" to "poor" pavements; and, the <br /> reconstruction of "very poor" or "failed" pavements. Pavement sections within the Arden <br /> Hills pavement network were prioritized for maintenance and repair according to an <br /> optimal prioritization plan. <br /> . <br />