| Show oun G Them are arc two to HJ stems of r f 0 ton tou foi fol or macadamized moca loads tho ma mil and the tte f e They The so oo D named at or two noted c road cintI rl lI The hc macadam huM hUll tho till thOs s one hr t of ot the tho came lIme size iza Time The telford U ll n II foundation ot or larger rocks rilo before tho the smaller or 01 cr l are aro laid I Time Tho claims for tho Iho telford S soon y tom more nio Ct J j That iho tho open alien provided by h tho thin ol slon at It i the bottom botton aro 10 for rOI drain drainage I age nv 1 ei c S that thin Is IR necessary aar on soft or ot poorly drained I Int soil poll nt to tu prevent Lion tho small email fragment nt of ot 1 n stone from frono win down Into I c tho Otto Mill and the tho noil 1111 from rain working up Into tho the stone Klona anil W a 3 that t tim tho mi i 1 IH ho I cheaper linco hum tho of crushing Is III isIc Ic j for Vot l or the macadam U it III IH urged unroll f ja i the Iho drainage afforded by W b tho the I to ford Ix 11 to nn no bettor holler than thom with the tho d construction 2 that on any well drained soil Coil them Is le no ten tendency u dency doncy of or t the to work wor down or 01 orthe Ij of I tho the Hon Holl to work WOI up 1111 3 that tilo drainage II tutu macadam construction It f 1 j cheaper titan than tho 1110 telford system ru and 4 1 that minea the tho Introduction of ot the thu machine rock breaker It la Ito hiI to tu lilY lay the tho than to place ft tt thu J 1 I 1 i ts se facts from t t kollI i on Honda heads and end ayo t t 1004 1001 rime Tho nuttier author IUS K It tIn road bed bcd In III l thoroughly Vl i i 9 ariot lii Is l compound l of ot o n a I material that ibid 1 m nut not readily soften thero thoro will ssi ho bo no 11 it f A in need ot lC a II foundation t Jf H j on 1111 tho Limo othor hund limo tho in I r of or unit and cannot lie ho i t S drained IJ It II 1 may ho be j to I pro Jim provide i vide tida t foundation m w ri itoh will ir vent I tl Ht stI J Il from fron working up Into h 0 topo tono and amid th road r lII stone mono 1 1 Ii o It 1 1 t I IV V II t from forn down Into tho the soil noil ll I Macadam Insisted Inet upon a n foundation Of t small fragments under nil III cl but U od limo tho foundation only on I Aft iio cir dr circumstances lIe to It To Is duo lie tho thou credit of discover discovering vor lag ing tho the supporting power of ot a Iyer cr of ot comparatively small angular frag fragments ments of f stone As A AI wilt will bo ho seen most moat of our roads rOlliS according to this thin authority und wo vo that tho the authorities substantially Hull agree n on 01 o this point should rc r the macadam rather than tho the treatment on alt all of ot our upper ull cr anti dry dr lands land and tho the If Ir used at nt nit nil only where ro drainage la Is required or tho the subsoil 1 Is loose 1001 anti shifting If tho the observations observation of ot our reporter are correct ct then thon In tho the laying of ot time tho pavements loose rules of road road builders aro are at nt uptight naught nu In other oilier respects than those enumerated cn mor oiLed In our local articles artices For Tor largo large stones are aio being used lIROI not for tor a it toN tel fort ford foundation but In mingled with the tle smaller manlier Ono One of ot mI rules uns to exclude any nn Ln fragments weighing more than thap MX iX outlet ounces Telford limit wits was eIght ounces ounce On Second avenue pieces weighing two t pounds arc said d to ho he housed housed used it Is said Raid however t that large Irge stones may cony lOa ho bo mc used now than In lit time tho days ila at of these o great gront builders sine since tho the heavy helY rollers of It our day lay mak mako a II material difference In hl tho the nUo of the toM sCone por Today Tod time the rule Is I I th nt the tho bottom courso of a n macadam ma read roul built of o soft sort stones may be throw three or four foul Inches In fn dimensions th the j up upper upper per 11 less ios than three Inches The Thc Th top 1011 course courso must bo lie composed of rock Toek front from rom one to tWo tuo Inches In tn diameter for tor heavy and alit from to ono mOO n Inch In diameter r for tor light traffic But ButIn ButIn In no case COso Is It II permissible to largo large o flat fiat so oviln n or eight across us liS observed by our reporter with the tho r To become convinced c that t our pres present ires eat ent methods or ot city macadamizing are arc loose and unsatisfactory It Is III only necessary to cad front from any allY of the th au authorities on r |
