Show ASPHALT ON OLP OLD MACADAM olt oil GRAVEL BASES tn in 1910 grand rapids MI mchlpin chigin its first concrete pavement over an old macadam hue base in spite of the ever increasing traffic it 1 has had to bear be ar the Iii Is in I 1 v ap sas sacs city edgille T r bulge in 1920 tie the city decided to lay a three inch asphalt pavement on the better class of glaiel streets bising the existing roadway as a linse base the nie old streets aare ere constructed of six ax inches of bank tramel topped with six hi inches of keened cree ried grai glaiel el in INT 1920 grind rapids blurts ws abt TO miles or of p roia A which wre viere almost amp Impi v isable able feord the de clown tit of chuck holes they child not the increased automobile and maintenance cost cast was prolix p jtb ittie ath e to remedy the situation four streets of the abbe tape vere nere covered with a three inch asphalt top in vera vcra tp vi el conlu las a s tor for the asphalt top tip the s and thoroughly ehly rolled it 11 i then allow cloned pd tit ury arv ond the a ns 1 aalt Is tipp tippled Jed is on a cone concrete r tae bate the rimel bise arr ans no ap expansion or at 0 anny rate thre th re Is no movement print enough to taie tai e cracas and thus develop de elop imperfect ons in the anhalt top in 1 FI I the narcis of ashai that chand O and rapids has laid on this tre of 0 ate rot one opening ha has developed from a bice crack abere i otter points in farr ol of this ann 1 drw of pien paNe nent Trient which should riot not I 1 K fox er looked consider I 1 UP cost of this pavement nent and speed it iii ln si i rp ro I 1 the tapa pet s need ll ye p e pared for tye tre a helt top and A ith but slight income t if nee nce to the pi blie there is I 1 no chelm cla in whiting niti ting tor for curing find and t ie T 0 I 1 permitted to dr arc e on 01 the pravel bi ine bie e as soon boon as t N i dry arid d until the Is applied rn in vee ee eq e u I 1 in tax ero eco essential the e perier c 2 of orand crand C rand lipids in R ovar t T its cli roid base bae s q of interest to LID e een te rn cl counts count and tate which Is public funds for roul or for artt tt paving |