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1 .;";'1 G?9o)fo(.a~'l{ }. $ 111. (jf' (?.. ~~ "!Art' o ) ~1 ~bf ('/P.)1 t(.,, ' 1 REPORT SOILS INVESTIGATION PROPOSED OAHU STADIUM, KAM HWY. IMPROVEMENT CONNECTIONS, INCREMENT I, (INBOUND LANE TO SALT LAKE BLVD.) L HALAWA, OAHU, STATE OF HAWAII.. for S"'f THE STATE OF HAWAII Dpartmnt of Acconting And GnralS rvics I _j WILSON, OKAMOTO & ASSOCIATES :Architcts \. i. ' Sptmbr 26, Projct No. 117~11. MA URSETH HOWE ~OCIA:TES Conslting Fondation Ers & Gologist.s MUNICIPAL REFERE. & RECORDS CENTER City &. y of Honoll City Hall A ', 558 s. King Strt \, Honoll. Hawaii 9i 3 " ;.,

2 MAIN OFFICE 163GM EAST EDINGER STREET. SANTA ANA. CALIFORNIA 9275 (714) WILSHIRE DL.VD., LOS ANGELES EASi THOMPSON DLVD VE:NTUBA CAL.IFOHNIA PAA GTRI!_ET, GUJTE: 115, H~NOLUL.U, HAWAII 9Ci19 MAURSETH HOWE ASSOCIATES A CORPORATION Conslting Fondation Enginrs and GologistJ (5) (1 (8.).3997i Honoll, Hawaii Sptmbr 26, 1973 JobNo Stat of Hawaii Dpartmnt of Acconting And Gnral Srvics P.. Box 119 Honoll, Hawaii 9681 Attntion: Mr. Rikio Nishioka, Stat Pblic Works Enginr Gntlmn: Th attachd rport rprsnts th data, conclsions and rcommndations of an invstigation of th sbsrfac conditions at th sit of th: Proposd Oah Stadim, Kam Highway Improvmnt Connctions,. Incrmnt I, (Inbond Lan tosalt Lak Bolvard), adjacnt to Halawa Vally Estats, H alawa, Oah, Stat of Hawaii. Th dtails and scop of this invstigation wr discssd v.rith Mr. Kn Nagai of Wilson, Okamoto & Associats, on Jn 7, Basd on th findings of this invstigation, th proposd Inbond Lan to Salt Lak Bolvard is fasibl as plannd. Th rcommndations for pavmnt dsign is basd on th sbgrad soil conditions along th xisting road,vay.. This invstigation was mad in accordanc with gnrally acc:ptd nginring procdrs and incldd sch fild and laboratory tsts considrd ncssary in th circmstancs. In th opii?ion of th ndrsignd, th accompanying rport has bn sbstantiatd by mathmatical data in conformity with gnrally accptd principls and prsnts fairly th~ dsign information rqstd by Th Stat of Hawaii.

3 11 This invstigation was prformd ndr.th sprvision of th ndrsignd. Shold yo hav any qstions or rqir any frthr information, plas do not hstiat to contact s. Vry trly yors, MA URSETH HOWE ASSOCIATES DISTRIBUTION:....,..,... ~...:. '. r... ~ ~~ \_ \. "':... c~:"~: ~::::. ~;.~ ~?....'.,.I;'"~"' ' Stat of Hawaii, DA GS (4) Wilson, Okamoto & Associats ( 1)

4 INTRODUCTION This invstigation was mad for th prpos of obtaining information on th sbsrfac soils on which to bas pavmnt dsign rcommndations. for th proposd Inbond Lan to Salt Lak Bolvard. Th spcific limits of th projct ar shown on; th Plot Plan, Plat 2 attachd to this rport. SCOPE OF WORK Th invstigation was discssd with Mr. Kn Nagai of Wilson, Okamoto & Associats, otlind in a Proposal datd Jly 3, 1973, and accptd by Prchas Ordr Nmbr 72442~ Th invstigation consistd of xcavating svn tst pits to dtrmin th sb grad soil conditions. ' Soil sampls wr takn from ths xcavations and takn to th laboratory for tsting. From ths tsts, rcommndations for th pavmnt dsign along th proposd road alignmnt wr mad. PROPOSED DEVELOPMENT It is prsntly proposd to constrct an inbond lan from Kamhamha Highway which will provid accss to th soth parking lot of Oah Stadim and to Salt Lak Bolvard, Th proposd roadway will xtnd from Station 1+ at Kamhamha Highway to Station at th proposd Salt Lak Bolvard Widning Projct. A north accss ramp, incldd in this projct, will start at Station and will branch. off from th inbond lan at Station and will contin in th maka dirction to Station , which is th qivalnt of Station of Salt Lak Bolvard.

5 2 Th profil of th road will rqir cts as dp as ft and fills of p to thr ft from xisting grond. SITE CONDITIONS Srfac From Station 1 + :JO to Statj,on th proposd roadway will b~. alignd throgh a vacant lot adjacnt to th Maka1apa Manor Hosing Dvlop mnt, and from Station to th nd of th projct, th roadway will b alignd along th xisting inbond lan to Salt Lak Bolvard. A long th th DiamondHad sid of th xisting inbond lan, thr is a slop which to drops a maximm of 32 ft at an approximat inclination of 1. 5 horizontal I 1 vrtical. A long th Ewa sid of th xisting inbond lan thr ts a vacant lot covrd with brsh, wds and rbbish. Sbsrfac Sbsrfac soil conditions nar th bginning of th projct as dis.closd by Tst Pit No. s 1 and 2, consist of clayy sand at th sbgrad lvation. Volcanic tff was ncontrd in Tst Pit No, s 3 throgh 6 at a dpth of from 2. 9 to 5, ft blow xisting grond srfac. D to th hardnss of this matrial~ pntration to th sbgrad lvation cold not b accomp~ lishd with a backho. Howvr, it is ra:sonably blivd that th tff xtnds to and blow th proposd sbgrad lvation. In th ara of Tst Pit No. 7, a silty sand was fond at sb grad lvation. No grond watr was ncontrd in any of th tst pits..

6 3 CONCLUSIONS AND RECOMMENDAT1IONS Th rcommndd pavmnt dsign for th proposd sbgrad is :basd on th Asphalt Institt Thicknss Dsign Manal, Sris No. 1 (MS 1), datd A g~st, 197. Th Initial Daily Traffic (IDT) of 11,. vhicls, takn by th City and Conty of Honoll, at Salt Lak Bolvard onapril4> 1973, and th following assmd vals, wr sd in th pav.mnt dsign~ a~ Fiv prcnt of IDT ar 3, ponds avrag, gross. wight trcks. b. Fifty prcnt of th trcks will s th Dsign Lan (havist travl lan). c. Th lgal singlaxl load limit is 24, ponds. d. Th traffic growth rat is for prcnt annally.. Th.dsign priod is twnty yars.. Traffic dsignation : Havy (DTN = 45). Th following is a smmary of tst rslts and rcommndd pavmnt s ction.s at th varios tst locations:

7 . 4 Tst Pit No. ' Soil Dscription pntration 1 & 2 Sand, clayy (SC) light brown Volcanic Tff Sand, silty (SM) blgry brown Rcommndations A. C. Bas 3" 8" 3" 3" 6" 6'' Slct Borrow " 4" Shold soils othr than thos indicatd b fond dring grading, th abov pavmnt thicknsss will b sbjct to modifications. A 11 matrials sd and work don shall conform to th City and Conty of Honoll "Standard Spcifications for Pblic Works", datd Novmbr, Tablation of th tst rslts ar prsntd in th Appndix tothis.. rport.

8 _ ~ VICINITY MAP LOCli / Cit Sit Location ~ I 4 SCALE IN FEET REFERENCE Waipah & Ploa Qadrangl USGS Topographic Srvy. ~... Datd 1959 r~~~.~~~'l INBOUND LANE, SALT LAKE BOULEVARD PLATE NO 1 MAURSETH HOWE ASSOCIATES FILE NO

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10 FIELD INVESTIGATION AND LABORATORY TESTIN_Q_ Fild Invstigation Svn (7) tst pits wr xcavatd with a backho. Blk sampis f th soil ncontrd wr takn from ach tst pit for laboratory tsting. Th locations of ths tst pits ar shown on th Plot Plan, Plat 2. Dtaild logs of th soils ncontrd ar prsntd on Plats 3 throgh 1, Log oft st Pits. Laboratory Tsting Sampls of th sbgrad soils wr tstd to dtrmin grain siz distribt.ion by mans of sivs, attrbr g limit tsts to dtrmin liqid and plastic limits, and th California Baring Ratios. Th rslts of ths tsts ar as follows: Tst Pit No. 1 & Soil Sand, clayy Volcanic Tff Sand, silty Dscription light brown blgry brown (SC) (SM) CBR@. 1'' pntration Expansion, % Moistr Contnt, o/o Dry Dnsity Liqid Limit Plasticity Indx.18. 4

11 A2 Siy A na1ysis Tst Pit No. 1 & Prcnt Passing Siv Nmbr 3" l. 5" /4" /8" # # # # # #

12 LOG OF TEST PIT NO 1 DATE Agst 18, 1973 EQUIPMENT USED. Backho ELEV OF SURFACE 48 _Q' '~ DESCRIPTION OF SOiLS... :: w > l!> w;::: I~ 1 w 5 w ~. cr: ~ z ::. 1 > ::r z :: a...j. :J ~CTO::l!)CT tu :J 1 1 W Zll)lll<!zlll>_ w. a.j:w..j r r 1/) w :: 1/) I.. 1 1/) ~ 1 1/) 1/) LL w C!o) 1/) o w o zwiilio:;llloza.o:: > <{Q.LL o.ii) QO::O.I/l a. W W LL 1/)W z. n. ~ In ~ ~ n. ~ ~, CLASSIFICATION ~ 8, i1\ FlLT : CLAY, sand, black sl. firm '' gravlly moist r (CL) i i! ~ 1 1" SAND, vry clayy, ~ gravlly ~ (SC) ~ 2 brown ~~. '" ' 3. I ~ I. End of Tst Pit@ 3. ' I 1 No Watr Encontrd! ' I ~ ~ J Rf. Elv from: Prliminary Plan bv DA GS Division of Pblic Works, Undatd INBOUND LANE, SALT LAKE BOULEVARD PLATE NO 3 MAURSETH HOWE ASSOCIATES... ~~ '. ~ ~ ' FILENO li

13 LOG OF TEST P;T NO 2 DATE Agst 18, EQUI PMENI USED B DESCRIPT~ON +' ::: \.!:>w;:: :x:~ 1 w z w w zix. 1 >::J z ::: a. 1..J :::;: ::> " ::: \.!) " > 1 v ~.._V)Ul <CzUl w. =>. t.. l. \I) J:w Li: V'l w w... c::lll ~o~ 1 ~ ::: 1/) 1w z J Ul J: c:: Ul a z o.. :;:: <( :..11)1.. W. w. 1/) ~. a.... a Ul a. U_,:,t. lll..li:.o..j :i a Ol OF SOILS CLASSIFICATION ELEV OF SURFACE 48. ' ::: w ::: :::>..J 1 1/) :i I dns (S C)... mo1s t... SAND,vry clayy, gravlly I brown I sl. > z w 1 V'l iii z.... ~. ';.. '.,: ~.. 4. B:\11 \. End of T~t Pit@ 5. ' No Watr E:ncontr~d ' :_ INBOUND LANE, SALT LAK_E BOULEVARD PLATE NO s MAURSETH HO\VE ASSOCDATES FILENO., :: \.. ' < '.... ~.. ~.. ',..

14 LOG OF TIEST PIT NO 3 DATE. Agst 18, 1973 EQUIPMENT USED E LEV OF SURFACE W..., J:~ i W a= 1 > :::~ z a:: ~ :,) ' a:: <!) " > 1 w ::::> ZV)Ul <C;Z_Ul iii' U 1 U::Vl ww a:: to~ a:: Vl zwul In:;Ul O~a. w a:: a. Ill 1 a.. a.. Ul a. "<:'.X. 1/lX..a ""' DESCRIPTION OF SOl LS t o LL... CLASSIFICATION :::..J w: c:r:: ::::> 1 1/) ~ > ',:z. w. 1.I/). iii. z CLAY: som sand with gravls (CH) brown! s 1. I moist firm. 3 VOLCANIC TUFF; with...!bl sand sams gry hard I_ I! ''. INBOUND LANE, SALT LAKE BOULEVARD PLATE NO 6 MAURSETH HOWE.. AS~OCIATES FILE N117.. o2611. :. ' : '.,.r \ ' '.. '. ; ~ ',..

15 LOG OF TEST PIT NO 4 DATE Agst 18, 19, 197'5.. EQUIPMENT USED Backho. ELEV OF SURF_ACE W+' r ::,._ :::::>cr Zllllll ll I/) zwiii 1f..:!(, DESCRIPTION... J:+' :: w w z 1 w... >:::J z cr:: ll. 1...J :: (.9 CT )1 1 w :::1 ll. <!z111 ::r:w :: iii ' 1 I/) ~ ww ozt.~ :: I/) Icr;:111 :s: tw <( wa. ll.ll w 1/) 1 a. LL 1/) w 1/) ~ Qlll... l ::E...J Ill Of SOILS CLASSIF'ICATION ~ w > cr:: z :J w...j 1 1 I/) I/) iii z ~.. CLAY; with gravls (CH) 'brown,.. s~. I firm mo1st '':. OLCANIC TUFF End of TS:: Pit@ No Watr Encontrd.. hard, INBOUND LANE, SALT LAKE BOULEVARD MAURSETH HO\VE ASSOCIATES.,.'.., :',.' 'I, /. :.... J,... PLATE NO 7

16 LOG OF rest p;y. NO 5 :: DATE Agst 18, 1973 EQUIPMENT USED Bakcho Dt::SCRIPTION +' :: z _, 1 (.!) lll +' :I: +' i w lll w ~ ~ >::J z :: ~ :> rr a. G:l!) rr >i v w :::> 1 (\. ::;:: \/) Ul <! z Ul :: ii) (. 1 \/) :I:w }: i:i:\1) ww.,.. ozt.~ o:: '.II :; 1 w <( a.ll..,.wul :I:o::Ul wa. w LL :: a. II) w II) 1 a. Ul Cl. _, Cl. '.i II) ' ~ Ql OF SOl LS CLASSIFICATION CLAY, silty.. (CH) ELEV OF SURFACE 5.' :: w > c:r:. z _,.,_... :::> w Vl \/).6 'in z :z brown 1 sl. I fir moist. '' : \: ;... ; _.... :.;'... )..VOLCANIC ''TUFF End bft.st:pit@ 3..'.No Watr Encontrd '. bl ' ::: ;,; :.. ' '. '.. '" ' '. '".: :::,.. :., ''>:. ' :. :_ ~ '. ',;... j <......'. r. :. '.\ :... :., ~::..:. : :._':_., :' '. :.. :, :.. :~ :'. : r :.... ;,...a._~'..li...'~'...;.l_; L...,..i! :.. J.... INBOUND LANE. SALT LAKE BOULEVARD~ PLATE.NO 8 MAURSETI~ HOWE ASSOCIATES FILE NO 726~11 ', :,....,_:...._,...,...

17 I DATE Agst 18, 1973 EQUIPMENT USED Backho It!) W.+' I +'. LOG OF TEST PlY NO 6 DESCRIPT~ON... : z w 1 UJ,IX 1 >:::~ z w CY.. :::>rrn:\9o >1 w ::> a. 1..J 1 z. (./) Vl <{... Vl C\. (./) rw n: iii t.. 1 ii:v1 wl;j... ~ oz~ : './') > t w zwvl Xa:Vl wa. <{ w a.. :: a..., 1 a. LL. (./) Q. w Q. _;:.., ~ OVl..Q..J l: co OF SOl LS CLASSIFICATION CLAY; with gravls. (CH} ELEV OF SURFACE 51. ' : w '>' cr. z ::l w...j 1 1 C/1 (./) in. z :.E brown I. sl. I firm moist._,. :......' : ::....., '. ~.,.;.,.. '.,...,..,.. _,.., 3. 9 t.no Wat~ Encontf!rq:... :..., ~..., ~... ' ' ',..,.....,,:';r'",.;, '' ' '. ~ '..... ::',...,,..,. ' '. '..,, '.... ' '. 't,",......, l '.. :.,,_, : A KE B_OULE VA ASSOCIATES PLATE. NO. ' :, \ h '

18 LOG OF TEST p;r NO 7 DATE Agst 18, 1973 EQUIPMENT USED Backh DESCRIPTION +' :: t5w: J:;:::... w W. J z z~... >:::~ z.o:: a j... ::> " :: t!) " >... w :::> a.. J:w ZlflUl<{zUl L ~ :;; 1/) ~ : 1/) w w ::1/l til ;: t w zwul J:o::UlOZa. <{ w a..ll. QO:::O.I/) l. w LL. 1/) a.. w a..... Ul..J.:1/. 1/). :!! ::l: (Q FILL: OF SOl LS CLASSIFICATION CLAY; sandy, gravlly (CL) SAND, vry silty.. (SM) ELEV OF SURFACE 31. ' I :: w > :: z :::> w..j... r 1/) Ill Vi z. ~ brown sl. moist. I I firm ~. ~. ;';.... '.. " End of Tst Pit@ 3.' No.Watr Encontrd... ;..,.'. :,., _;;..., ;, ;.. INBOUND 'LANE, SALT LAKE BOULEVAR,D PLATE. NO 1. MAURSETH HOWE FILE NO '!."_.. :

~ 7 c; a 6 o 7 3. REPORT SOILS INVESTIGATION MAKAKILO DRIVE V MAKAKILO, OAHU~ STATE OF HAWAII. for FINANCE REALTY COMPANY, LTD.

~ 7 c; a 6 o 7 3. REPORT SOILS INVESTIGATION MAKAKILO DRIVE V MAKAKILO, OAHU~ STATE OF HAWAII. for FINANCE REALTY COMPANY, LTD. ~ '_!. ~ 7 c; a 6 o 7 3. {~ ~ 4 \./ 1...,...A 1,o.5 H). H~ tjo 1. {1. REPORT SOLS NVESTGATON MAKAKLO DRVE V,.. l,,... ~ L MAKAKLO, OAHU~ STATE OF HAWA for _j FNANCE REALTY COMPANY, LTD. SUNN, LOW, TOM