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Sccliun 26--[3ank R�nt Grnvcl Jor SCrects <br />such quanliticc , s U�C Fd�CiuccP may dirccL 'I'h�• Nicr <br />zhall Ihrn Lc misrd «•ilh thc surfarinit utiilrrial by <br />bladin�; unlil a unifnrin Prndurt is ubiniui�d. 'I'hc surfar- <br />inR zluiil Ihcn bc �prrad in such.o m:mncr th:d it ��•ill <br />havc a uni(unn Qenlh, Iruc In liuc :wJ IP:�dc as �I:Jmd <br />by lhc t:nFinrrr. IL sh:Jl Ihru bc rulled 6y ciUsr •i <br />smnolh-�vhccicd powcr rallcr or LY � P��<<�����lio-tir:d <br />rollcr. <br />The IYVe o( rnller shall cunfarm lo Ihe rc��uiremenls <br />sct forth 6i 5ccliun i5-2.OIA. � <br />Thc q�pc ot rnller to 4c uscd fur any p:irlicul�v <br />pivjcct shali bc :�s sct forih in lhc special Pruvisiuns. <br />25-1 TIt:ASUREIIIENT <br />Scrcencd �ravcl surfacing �rill bc nn�asurcd by thc <br />lon at thc poiut of ���ding it thc quonlity is enouF�� lo <br />juslify lhc usc of scalrx, or il may bc mcasured by lhc <br />cubic yard in Irucks nt lhc point ot dciivcry, In nccord- <br />ancc �vith u•hichevcr unil u[ mcasurc is slm�vn on lhc <br />plans nnd proposal. <br />25-5 1'AYNENT <br />Tl:c wiit contrect pricc per lun or per cubic yard for <br />"Sci'cened Ct'avd SurtacinR° shall be full compensalion <br />[or all costs and expense necessary fur preparing lhe <br />subgradq turnishing, scrceninF� Innding, haulin�, sprcad- <br />ing. blading and compnctine o( Ihc surfacfng material, <br />:md for incorpornting liller and [or all olher costs ind <br />expense necessary or incidental to the completton o[ the <br />work as specif ed above. <br />Fillcr will be mcasure;l and paid for as provided In <br />Section 24. <br />Compaclion and wntcr shnll bc incidenlol lo Ihc con- <br />tracl uNess pnymcnl is spcciCcally providcd [or in thc <br />Spccial Provisions. <br />Section 2fi—Bank Run Gravel Fa• Strects <br />26-1 OESCRiPTION <br />Where shown on thc planc or wltere designaled 'oy <br />the EnA�necr, embankmenLs, shoiddcrs and/or thc top ot <br />crnbankmcnts and lhe subgradc ot culs to a deplh as <br />sLown on thc plans or as desiqnalcd by thc Engincur, <br />chall be cmnposect of bmik run gravM frmn approved <br />source:s prepared (n accorda��ce �vilh Section 22. Hank <br />run 6nve1 is defined as nalurally accurrinS malerial <br />having ch�racteristics such that when compacled in place <br />on lhc roadway it w(II providc a coursc havin� Frmtcr <br />supporling valuc than lhc subCmdc on �vhich it 15 pinced. <br />26-2 1fIATfiRiAL <br />26-2.01 CLASSF.S AND GIIADINC OF BANK RUN <br />GRAVRL <br />Bank nm gravel shall bc substanti:�ily frcc Irom <br />wcod, roots, Uark or olhcr extrancous malcrial. IL sholl <br />havc such characicrislics o[ parlidc sizc and shapc thul <br />It will compact rcadily to a Iirm, slablc wursc. <br />The maximum size o( slnne shall not excced tl�c <br />depth ut lhe course being ,nn��ed Iess nne (1) inen, <br />excepl lhat in no case shnll the m�ximum size exeeed <br />cild�� (0) inches. � <br />Dank run �rnvcl sl�all bc lcrmed Rnnk [tun �Cravcl <br />Class A, or ISanlc Run Gra��cl Class II. Thc fnllowing <br />requiremcnts shali 6ovcrn fur t(tc se�>antr classes: <br />Qnnk Rwt l3nnk Mm <br />Crrtvc; Cr�vei <br />Clnas A Clnxx Q <br />Passing �/q"�sicvc ............... 25% ir�'n. 2:�%a min. <br />' 75;"c nlaa'. 7555 utax. <br />Passin�; U. S. No. 200 , <br />sicvc (wct sicving) .......... 5% rn:ix. 10%a max. <br />Duxl Itatio: <br />9b Yassin�; ,'j200 (wcl sicvini;). ?5 max. 95 m;�x. <br />.... .. %, 1'nssinR %AO -- . :10 min. <br />Sand Eryuiv:ilcnt ............... 50 min. <br />Pa�c 14 ?4 <br />9G-°A: ItANI: ltUN CItA�'BL }ItOAI tiPISI'IF16U <br />SOUH('&ti <br />Whrn suurcrs uf banl: ruu Gr:rvvl an drsignated in <br />thc ; Pa.i:A pnicisiun:; thr Cunlractur nr,p•, a(Icr .Irip�iin�; <br />a sulllricnl :n'ra la rirl�l lhr rrquiro�l qU:ntlilv as pro- <br />��idvJ iu tieciiun 9'!. Plaer Ihe u:durully arcurrin6 mato- <br />rial dirccllp un thc rnadbrd �cilhout furUirr Uc�tmrrt <br />csccUt rcmucal nf occrsizc stunr. lic shall� hu�reccr. <br />�curk tlic Pil in such a a•ay thal indicidual lu:ids do nut <br />�:�ry• Frcally (ruw thc accrn8c Gradin� nvailable in thc <br />deP��cil. and hc shall ncoiA ur �e;�slc m:�terial that is <br />dcsiFnalcd by tlm Enginccr as unsuitablc tor Ihc �pecilicd <br />cln�s nf bank run grn�cl. Thr Cuntraclm• shall makc . s <br />man5' mocc. uf IondinF equiprocnt u•ithin thc siKcilicd <br />pil arca as nmY be necessary lo tultill the above repuire- <br />menL <br />:6 ;.07 13ANIC RUN GRAV6[. FRO\l SOURCES <br />PItOVIDEU i3Y TIIE CONTRACTOR <br />When bank nri Graccl is (urnished tmm sourres pro- <br />�9dcd b>' the Conlracloq lhe m�lcrial shall bc produced <br />tram appro��ed suurces in accordance w'�lh Seclion 22. <br />Thc grading ind quclily shall bc ns speciiicd in Scction <br />2G-2.01. <br />IIank rtm gr. Vcl Inr uses othcr than thc support of <br />porlland ecmenl conerele pavement shall meel the ro- <br />quiremcnts of Secliun ?ti-2AI and shall mcet the foltaw- <br />ing additionat requiremcnU lhrrclo: <br />SWtilomelcr resistancc value <br />(Section 6) ..............�....68 minimUm <br />Swcll nressw•c (Seclion G)........ 0.3 Psi maximum <br />1f bank run 6raecl from sourccs furntshed Uy thc <br />Catlraclor has lowcr resisimuc valuc or Lighcr swcll <br />pmssure it may be uscd i[ approved by thc Engineer, <br />p�rovided U�al the thickncss o[ crushed surfacing is in- <br />crcascd uecr lbat sho�vn on lhc pians by such an ar.iount <br />as the En�inecr deMrmines necessary to compensale for <br />lhe lower ca7urs. The Uank run gravel shall Ue decre�std <br />in thickness by an amount equal lo thc required in- <br />creased lhickress ot cru=hed sw�facing. Tho vo'ume ot <br />cruFhcri surincin� reqwicd to cor.�persetc for resistance <br />valuc In�rcr llmn, np ywcl] prcssurc higher lhan thzt <br />specilicd aboec, shall Le mca;ur�d for payment as�"Bank <br />Run Gravd, Class A ar Ch�ss B" and nnt,as ctushed <br />surtacinti. All cos15 (ncurrcd t;mrefar sha!1 6e induded <br />by thc Can(ractor in his unil cnntract pricc [or "Bank <br />Run Gravcl, C!ass A or Class }3". <br />If, as an aitcrnalc ln sourc:�� i'+rovided in ll�c speclal <br />provisions, thc Cantractor slmll rL^ct to furnish br.nk run <br />gravcl f�'�m mmlhrr �mirce in ��'���ch thc malr.rial has a <br />lower resistance vnlur or higher sadl pre,sure lhan that <br />in the desi�nated source, lhe thickness o: crushed sw'fac- <br />ing and bar.k run P.ravcl shall bc :�djusted lo compcnsatc <br />thc Inr:rr valucs as oWlined in lhe preccdin� paragraph. <br />lVhcn the Cuntractor (m�nishos lhe sourcc, hc shalt <br />removc lhc matcri�ls in such manncr that all parts o[ <br />lhc pit �vill bc drained to a natural drainagc cauesc at its <br />norm�t v�alcr Iccel. <br />2G-3 COKSTRUCTiON DP.TAIL,S <br />26-SAl iiE�70VAL OP OVERUURilF.N <br />Aeforc �ny of lhr 6an1: run !;r„vet malerial is tc- <br />mnved, lhc sile chall Lc �dcared :d.d 1;rubbed and aR <br />debds shall bc disposed o[ 6y lhc ::antrnctnr. 1'he entire <br />arcu fram which 6ank :un i;ra��cl is to bc inken sholl be <br />stripped of carlh :md oth�r man•rial tmsuilablc as 6ank <br />run •�r.�ecl. All �rvcrl�urricr mai;�rials shall hc cnnvcYcd <br />�y lLc Cnnlractnr al a Inccl:nn i��hich �vill msurc ngainst <br />it bccmninl: ��ixcd u•Ilh lhc scicctcd malcrinl. <br />2G-1.0"_ PRF;1'AIiATION OF ROADI3F.D <br />79+c surfacc ��t thc m:idbc<I upon whfch bank run <br />I:rnecl is ln 6r pl, evd sh:Jl Le cum�,:irtnl nx sp����ilicd In <br />SrClinn 15-2.111, Subqr:�d�' fnf Rusn \i:drfiblti. All IppgC <br />stones shali bc rcmuved fram lhe .':�irL•sc nf lhl` ruadhed. <br />2f.-;{,OJ COY.S'I'I:UCI'ION U� COUItSF.S <br />'Phc L:nd� nm 1:�':ivrl m:di�ri:il shali iic i:nifnrmly <br />