Agenda - Public Works Committee - 10/20/2009

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illustrates the existing street profile along with both of these options. Boulevard trees would be installed on both sides of the street at 50 foot intervals. Under both Options A and B the street modifications would begin 150 feet north of 140th A venue since this is the point at which the street section transitions into the additional lanes required for the CR 116 intersection. The street modifications would again taper back into the existing section north of 143rd Avenue. The sidewalk on the west side would connect between the existing bituminous trail at CR 116 and the existing bituminous trail located at the southwest corner of Terrace Hill apartment. On the east side of Dysprosium the sidewalk will connect from the sidewalk the Savanna Oaks apartment building south to the north side of 140th A venue wh~WQuld connect to a trail on the south side of this intersection. ' ,'~' Although similar sidewalk improvements were c0nsidyr:;, or 1 . "~~~j~it\yenue and Argon Street, both of these streets have setbacks of as 1itt!~,~~~:~4~'Ieet betw ,'*e curb and the residences. Placement of a sidewalk with even agitsdest width terrace w~ttl4 restrict driveway parking to a single vehicle. There a~.;'::i: Qnsidera:Qle number o:f~.;, es stored within the driveways on these streets, As an altel ':::l;: it i$1~'rQPosed that p" cmg be restricted on the north and east sides of these street;?; ~;a~~hite strip demarcate a walking I bicycle lane. '<.\ ';~;~~!t~:);; , . ':':~~:;:" TI;is project will reconnect each existinli .?lY Y, ?pening &;t~y;'i1ewly paved street. The dnveway approaches between the street oJirb ' .(jt~walk sh~n be replaced with concrete at a standard width.of 18 feet. Th~~:driy;6~ay:'pfi.~~,ijibnt beyond the sidewalk shall be neatly saw cU!;.f.!ona~5f~Rt~fed with th-gZ~~~e mateii~i and in the same width as the existing driveway, ,<<;':toratiol~ij!t~ll include t~~ protection or repair of any in'igation systems or invisibliffT . " MaiHM'bxes may be 't~Jg,cated to accommodate construction but shall be returned to theft.:i~tiiginalUQQations upoJ~fermination of the project. Disturbed turf areas shall QJ~~~1f~~tol~9 wiill~t~1t~~if\)ta~~iI(M~~~~:'" :~:~~$::{;;~;;"'}:{':f'~::~~~~ig\~~i'~i~', ""~;*;i~ji;~~~~, ., ''':'' ESTIM~ TED COSTS;:;;~~;... '~;$;;;;:;,., ".~ , 'c/~);::\~i1%~~h.\;:~~~~;"::~~l~;':" The cost d~t;: :~ proj~ct in~t~~in? OVerhead i~ estimated to. be $512,754 for Opti~n A, and $37,373 less', c" ptIOn B. ~,etalls of the project constructIOn cost are presented m Appendix A..>iJ.pject Q~erhead, which adds an additional 30 % of the construction . \'~;"'>~X-'" .~;.. cost mclude the foll~win:g: ~;:%~~~~i'" . Engineering design . Project administration . Bonding and legal . Inspection and testing . Contingencies. 8% 5% 2% 5% 10% 3