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~~D~i-~rztct ~ <br /> APPENDIX A <br /> SUPPLEMENTAL WORK ITEMS 7~~ <br /> L COI11i'LETED NG~V 1VORK ITl;b1S These v'e worh items including actual costs that the team <br /> performed with the concurrence of the Count}, though Ihey were beyond the original scope and not <br /> covered in the allocatio? of the contingency. <br /> l~he report prepared by Brown & Caldwell on the impact of the proposed leachaie at tltc <br /> existing treatment plant URS WORK CO(\dPL,E"1~E $d.500 <br /> b) Air Survey -There was no money in the original budget for a ground or air survey. <br /> Based on original estimates, $15,000 was developed from the budget by utilizing some <br /> of the original contingency. Subsequent to these projections the survey was expanded to <br /> include the Hilo landfill. The actual cost of the air survey will be $16,900. URS <br /> WOPK COMPLETE $1,900 <br /> I <br /> c) Based on the air survey, calculate the remaining life oCthe Hilo landfill. UILS WORK <br /> COMPLETE $366 <br /> d) Revise site layout-Based on our last visit (Sept 8-10) to the existing site, it may be <br /> desirable to develop a completely new site layout for the soft station including the <br /> entrance and recycling area This worl: requires an addition to the budget since the <br /> nwnber of alternatives budgeted for has been exceeded and, since the 80% design work <br /> had been performed, rework of the design will be necessary. The new site layout is due <br /> 'I to the follo~'ving three items: <br /> • The proposed new enhance roadwa~~ and recycling center are located in present <br /> designs in an area where there are significant amounts of waste vehicles which <br /> ,i <br /> ~ may or may not be removed by the lime that construction would begin. There are <br /> also some concerns over what may be required by the EPA to "clean-up° this area. <br /> • Even though the County now owns the hvo parcels of land that constitute the <br /> <br /> '~t proposed sort station site, there is a "property line" between the two parcels which <br /> j may require that no structures could be build on or within a determined setback <br /> from this property line. To date, all of the developed alternatives indicate <br /> 'I structures on orvvithin a few feet of this property line. <br /> I~ The clearing and grubbing done by die County in preparation for the aerial survey <br /> has sho«'n that there are areas on the site which differ si,uificantly from the <br /> topographic survey done in 1993. 'Phis difference indicates "flat° areas which may <br /> be more usable for the sort stutioit development. <br /> - Additional cost will be incurred in the following areas: <br /> - Preparation of a revised approved layout <br /> Revisions to existing si[c, civil, structural, and electrical drawings <br /> URS WORK NEAR COMPLETION $20,843 <br /> ~nllly. oflnOnnn v~~~, UIf1CVVr1 rvVI Wt JYIMIL IMYVOt NU VtlLGHVN UH LgyLn YOh ANY RINl1 UYVflIHt IVSUitH <br /> oq Al IPl INI CTf]G FT d'~Gfi <br /> PSI OHGIIIG GOVERl~GE, ITS HGEIJi9 OR RC~'RL-SLAIf4iIVE~, OR THE IS9VER Or 1I IIJ' <br /> <br />