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<br />S P E C I F I C lz T i 0Iv' S
<br />COI~ICR.ETE SIDE'dALI~S
<br />1. GIB.^,DIPTG: F,xcavati rnz of subgrade must be made to lines indicated by s'tc-.lies scat
<br />by the Engineer and shall include removal of all earth, loam, sha ~.~, roclT; ro•~tc,
<br />briars and undergroi~rt.h. Contract Write for excavation shall ~r_~1z:dP .removal
<br />and disposal oi' all excavated mater. sal including removal arAa d~isposa.l of al_i
<br />trees up to t~~relvo incises in di~~neter measured one foot abe-rs tl~xo ground; trsc:s
<br />larger than t~;:~elve inches in di.a}neter shall be covered in a sc~par-,-ce contrac•
<br />item. A11 s?~orzgy material shall be removed. rills are tc~ be :~zac:e t~~ith gra~ro'~
<br />or other ma,.teria.l a.cceptab?_e to the Engineer,
<br />The ;.or_tract price per cubic ~rard o~ e.scaTr^+-ion r~u~~t include awl cos ~s
<br />for +.,he re~ov.~,l and dis;oo,sal of ?na.teria.l of all 1<ir1lS anc:I the ro7_ling aild s~~Aapa_;.~.g
<br />of graded surfaces. All material moved ti~ill be measured in ~:~1ace excav^tcd Ly
<br />the method of average end sections on fifi;y foot 1500 st<<t~iu;:s, ~~lus the Ja.rc~•-
<br />age, measured i.n pla.ce, of any e:.~cavation holey- sr'~#~rade ord~;^sd by the ~~ng2n^ei•
<br />to be removed,
<br />2 . I~;iATERIALS
<br />(a) AIR-EPITP~A:C^dIi1G T'OATT~AsdD C'.w `.LPdT: The cement usQd in ro<«iy ~~~~ conc~~•ete for
<br />sideti^ralks shall Ise of approved h.r~:nd and shall :nee~~. t~n~, re:,uireznents of the Tea;-
<br />ta.tive Specifications j'or Air.-Entraining; Portland C~?^sni, 1'c;r rcr:cret? Pave:nez.~.t•s
<br />oi' the American Society for Testing ,.~aterials, Desi na ~i o_~? C-1; 5 , The Tensile
<br />strength requirements shall govern.
<br />(b) SAi~?D: Concrete sand shall be composed of clean, hard, dLAra'ole particles of
<br />stone, uncoated z°rith clay or orga.izi c matter a.nd f.^:~e frc~~r. lu:~.ps of these ma.te-ri~ ls.
<br />It sha11 conform to the follo~rrin.g rnquireTr_ents for grading:
<br />Pa.s s ing 3/8 ~~ sieve 100;
<br />Passing i\to. 1a. sieve from 9~ j to 100;
<br />Passing 1?0. 16 sieve frown 1;.So ~Lo 95
<br />Passing I~?o. 50 sieve froze 10% to 30;~
<br />Passing AIo. 100 sieve fr. om 2: to 10
<br />Clajr ~C Sii+.., by rreigl~t no~c over 3jG
<br />(e) COARSE A_GGP~EGATE: The coarse aggregate shall consist of crushed 7_ _~neston:-:
<br />having clean, hard, strong, durable and uncoated particles. It shall "re ~°r°e
<br />from an injurious az!zount of soft, friable, thin, elongated. or 1a.-~ inatECi p~r-~:i;. Fps
<br />or pieces, a.l~ali, organic or otricr dele-3~erious matter. The ?naxmum p ~ , en~i,3g::~
<br />of such deleterious substances sha11_ no•t exceed_ lj~ l~rh~_c'c1 can be removed Icy d. ~-- '
<br />cantati on nor more than ~~~ in total, of coal, clay lumps, soft fragments, a.11-a7_.;
<br />friable or laminated pieces.
<br />Physical Pr. operties : The percenta~ •e of rrea:c to be not over 6j~ anal the
<br />modified abrasion loss to be not over 21~°.
<br />Soundness : -~.dheil te;;ted :i.n accoz°~~.ance ~rrith tree Te:n~r,at'.ve %aethoc~. o" 'rest ~°.or
<br />Soundness cf tlgtregat~s 'rs~~ Use of Sc~ai~z?n Sulfate, Americ<n °~ciety for ~'~~t;inj;
<br />%:iaterials, Desitr.ati.on i-88, the ~~~:igr',ed. avera;,e loss: i.a. 1'~.v-~ c;Tcles si~~:.i.l_ n.ot
<br />exceed 12;~
<br />Size:' Coarse aggregate shall be z:zecha.nicall~% cr~~.sr.ed. a.nd screencc? _nt~o
<br />ATO. !~6 size, Ol-!io .State tii bhti;ay S~poci~°ica.tions
<br />Passin~~ 1" S~ua.re sieve 1^0
<br />Passing 3/l~~~ Square sieve from y 7;~ to 100;
<br />Passing 1/2f' Square sieve from G ~ to 90
<br />S^r-1
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