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EDWARD WATANABE WALTER LUM ASSOCIATES, INC. CIVIL, STRUCTURAL. SOILS ENGINEERS u : aoao WAIALAE AVE., HONOLULU, HAWAII 9681& •

6ro.d.\n, fe.rm\ ~ tJo. S4\3l.-

EZRA KOIKE

FOR REFERENCE December 22, 1969

. Rot to be taken ·from this room

MR. EUGENE LEUCHT-. Daniel, Nann;:· Johnson & Mendenhall of Hawaii 1240 Ala Moana Boulevard Honolulu, Hawaii 96814

Dear Mr. Leucht:

RE: Chinese Cultural Plaza Beretania,, .. ,River, Kukui and Maunakea Streets Honolulu, Oahu, Hawaii Tax Map Key: 1-7~05

Preliminary Soil Explo:tation

In accordance with your request., seven borings ·,wer;e ·made to explore the .subsoil conditions i;or site grading ;~rtd foundations for light, short­span buildi:ngs at the site of the proposed Chinese Cultural Plaza, Honolulu~ Hawaii. ·The site is bounded by Beretania; River, Kukui and Maunakea Streets. , .

PRELIMINARY~· FIELD EXPLORATION AND LABORATORY TESTS

Borings were made with 3 and 4-in. diameter augers using tungsten carbide . drag bits. Soil samples were recovered with 2..,.in. thin wall tubes and a 2-in. standard split spoon sampler driven with a 140-lb h~er falling 30

·. inches. Continuous penetration tests were made by driving a 2-in. dia­meter point.with a 140:..lb haliUner falling 30 inches.

··. Laboratory tests included: natural water content, Atterberg limits,· gradation, unconfined compression and torvane shear •

QENERAL SITE AND SOIL CONDITIONS

At the time of the field exploration, the sitewas fairly l,.evel with a slight slopedown toward the west. A 6 to 8-ft embankment sloped down­ward toward the site from the sidewalk along Beretania and Maunakea · Streets. The area· has been recently cleared •

. ~~-·

MUNICIPAL ~EFERE~ RECORDS CENTER

.. · .·

· City Hall. ' x, 558 ~- K!ng Street . Ho . • Hawa1_1 9f.l'313 ;:,~.

L .• ·· .. , . '•

. C!ty~& ~ ~f Honolulu . .

--- ... ------- -·

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~ . . .

. •

·,_·-

~m. EUGENE LEUCHT, December 22, 1969 2

A recently constructed storm drain crosses under the center of the site from Maunakca Street to River Street. An old drainage channel had pre­viously crossed di~gonally thru the northeast section of the site from

·Kukui Street to Nuuanu Stream. Thechanp.el has been backfilled. ·Nuuanu Stream is Ewa of and parallel to River Street.

' The soils·encountered in the borings may be generally described as follows:

A surface layer of about 3 ft of medium stiff clayey silt followed by soft organic silt with traces of sand to about 28 to 55 ft. Below that was loose to medium dense silty sand to about 40 to 60 ft, the depths drilled.

Rocky material was encountered at about 59-ft depth in Boring No. 2. Resistances to penetration tests were no_ted at about 51-ft depth in Boring No. 3, and about 37 ft in Boring No. 5.

Water was encountered betw~en 4 to 6-ft depths in the borings during the .. . field exploration.

For more detailed descriptions of the soils encountered in the borings, refer t.o the boring logs.

DISCUSSION AND RECONMENDATIONS

It is assumed that the site will be graded and that fills of up to about 10 ft iri thickness may be placed in low spots near Beretania Street.

The preliminary plan generally indicated one to 4-story structures along Beretania, River and Kukui Streets with a parking area in the central part of the site that fronts op. Maunakea Street.

Site_ Gt!iding

Site grading, particularly construction of fills, should be done as soon as practicable and prior to the sta:rt of any· building construction.

Because of the soft layer below the surface crust, settlements .will occur with the placing of fill loads at the surface • In general, settlements of about 1.5 ft to 2 ft or more may occur from about a 10-ft filL However, tnuch of the settle­ments would occur withii). the first year of the fill construc-tion. l

. ' ·: ":·

t a­, __ .'_

~m. EUGENE LEUCHT, December 22; 1969

Settlement gages should be installed to monitor the performance of the fills. After the fills are in place, surface construction should be delayed as long as practica­ble. Surface structures may start when settlement gages show negligible rates of settlement.

All grading should be done in general conformance with the requirements of Chapter 23, Revised Ordinan~es of Honolulu, 1961 As Amended and as reco~ended below: ·

1. After clearing and grubbing, all topsoil and stockpiled soils should be stripped to stiff natural ground or scarified and recompacted before the placement of fills. Soft pockets should be excavated and re­placed with select soils to match the density of the surrounding soi1.

2. All hard surfaces such as driveway pave­·ments or slab on ground should be removed and the area scarified and recompacted to match the density of the surrounding soil.

3. All fills should be constructed in approximately level layers starting at the lower end. and working upward.

4 •. All fills should be iaid in 6-in. compacted layers with a relative density of at least 90% of AASHO T-180-57 density. Fills should be placed in thin uniform lifts.

Foundations

For long-span or heavy type structures, additional explorations should be made at each site for the particular structure after the site has been graded. Because of the soft subsoils, pile foundations may be required for the heavier structures.

Building footings over the newly constructed box culvert may · cause differential settlement problems and should be avoided if pract;Lcable.

'.· ..

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3

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1-IR. EUGENE LEUCHT, December 22, 1969

Buildings constructed on shallow footings over the old stream bed may settledifferentially and damage the superstructure. To minimize damages from differentiai settlements, the old stream bed should be located and surcharged with about 10 ft of fill for about 3 months. Foot:tngs over the stream bed should be continuous, deep grade-beam type footings that can span over soft spots that may go undetected.

For light, short-span, fairly flexible str.uctures, spread or continuous footing foundations may be considered. For shallow spread or continuous .footings, the following suggestions may be used as a guide:

· ...

1. Surface structures should start after the general grading and underground utility con­struction work has been completed. Surface structures should start preferably after the settlement g~ges show negligible rates of settlement.

. 2. Buildings should be placed at higher levels than the·surrounding ground to allow for some sett~ement and future drainage condi• tions.

3. Footings should be located on compacted fill or on the stiff surface crust as close to the surface as practicable.

4. The footings should be well tied together ·with deep (2 to 3ft), well-reinforced grade

· · .. beams, particularly around the perimeter of the building to minimize differential settle­ments •.

5. All soft pockets encountered at thebottom of footing excavations should be removed and backfilled with select material.

.6. Good surface drainage away from the building should be maintained •

. ·-.· ...

..... _-

4

· .. ·:

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~IR. EUGENE LEUCHT, December 22, 1969

. · ....

7. For the above conditions, for footings placed on the surface of well compacted fills, bear­ing values of about 2000 p.s.f. may be used. Minimum footing widths of about 3 ft should be used for individual spread footings and 2 ft for continuous footings •

8. Slab on ground should be placed after the struc.ture is constructed and should be sepa­rated from grade beams, walls and columns.

For slab on ground, a base course of 4 il). of well-graded gravel less than 3/4 in. and greater than 1/4 in. is recommended. The sub­grade should be. compacted and shaped to a level surface or tQ drain if practicable and should generally be kept slightly higher than the finished grade outside.

Underground Utilities

Underground utilities should be placed after the fi.lls are constructed and before the start of building construction.

Flexible connections are reconuuended.

Driveways. and Parking Lots

In general, a rough estimate of the pavement thickness for the light traffic anticipated is as follows:

1. Wearing c~urse - 2-in. asphaltic concrete.

2. Base course 6-in. base course.

3. Subbase course 12-in. subbase course over a prepared subgrade.

No subgrade material may be required if select material is used for the top one to 2 ft of fill for the parking area.

Local adjustments can be .made in the field as various soil condi.tions. are encountered at s4bgrade level.

5

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~ffi. EUGENE LEUCHT, December Z2, 1969

The subgrade should be compacted and shaped to drain. To ·. avoid the ponding of water and softening of the subgrade

at low points, weep holes should be placed at subgrade levels thtu the walls of catch basins which are placed in these low areas •.

6

If any co'Qstruction work requiring dewatering or subsurface disturbances are done near the site in the future, additional settlements may occur.

If unforeseen or undetected conditions such as soft spots are detected ·in localized areas, they will have to be adjusted and corrected in the

._field as they are detected •

Attached are the bol'ing logs, laboratory test results and the Bor.ing Location Plan.

EK:vi-

Respectfully submitted,

WALTER tOM ASSOCIATES, iNC.

Cr, J:.jz.__ Ezra Koike Professional Engineer Hawaii No. 1450

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BORING LOGS

Svmbols

Symbols used gener\}lly are in accordance with the Unified Soil . · .. Classificat-ion System.

\~here· a parenthesis '1 (~m) 11 is used, the soil sample was classified by visual observation of the sample recov~red.

'''here no paretlthesis ''l-ll111 is used, the soil sample was classified from either the Atterberg limits or sieve analysis test results.

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r .. :, -WALTER LUM ASSOCIATES fJ 303P WAIALAE AVENUE • HONOLULU, HAWAII 96816 •

Boring Log BORING NO. Sheet No. --- of ----

PROJECT ___ G.::::;.~I-...:.\.:...:IN,...:..::f:_.!:;,.:S.:::...:E,:;__:C::::::;.:.:lJ::::.:L.:::::..::'f...=U:;,.:RA,:.....::;;;..:;l-=-...:f_l.A=.:,:,:V\.::::. Drill•r W~l..TC!'' ... LUM J-.1-,i.,oc_. Date Nov. 10 i p, 1%1

LOC.AT. ION ~ON~.-..,L-UL.U. ~IA\V"ll Field Party M.&V+liiZ.Q, f(AK.U. LIJ~..Jit-J& · /~C...<>i<-L-) A"

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Drill Bit T.C... DRJ·.G Weight, _ __;,l4-..;..· ·-=a;...* ______ _.,.. ___ ........ __ _

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Time

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l~ J DESCRJPTION

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WALTER lUM ASSOCIATES 0 3030 WAIALA£ AVENUE • HON.OLULU, HAWAII 96816 o

Boring Log PRoJecr ___ .::::c.~~~:.!..!l N.,.:..:D:::::-;:.;;~~E,::=......::c:::.::u::....:c:::.!:r-!:u:::..:.rz..:::'?_A:...:.L=-:F;...:L:::::A=..:-:z.:=-~A.:.-· . LOCATION __ ~:...:1..=0..:.1-.:.:;~0:..l-~U:...;l-::.· ..;:\,J:-.:-•:....-..,;-·~:...;;I.:...f....;.;.W..:.·":.......:...11;._ ____ _

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BORING NO. '2. Sheet No. of --­

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WALTER LUM ASSOCIATES [j 3030 WAIALA£ AVENUE • HONOLULU, HAWAII 96816 •

Boring Log -2.. BORING NO. .._} Sheet No. of ---

PROJECT Cl-.l!N'E-'5E.. CULtURAL fLA"Z..A Driller WAL1f:..I'Z. LUH A.l:hOL, Dele NOV. II~ J'l, lll~j LOCATION ___ I-;..;I.::;O_N~D-"-I,....::;U,.,;:L;..::U~,.....:.:.~.:.;.A_;.W~/:>...;;,:l...:.l ___ __,..--...- Field Parry M.b.KAULb., WOOD~, f..lh.-?.1-llDI-.

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Weight._.....:.:.l40....;....::_· ~----------------- __ ........____,.....,..,..--...,----.-------,----.---Water level <D.s·

Time 10:~0 At1 3011

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DESCR.IPTION

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WALTER lUM ASSOCIATES D 3030 WAIALA£ AVENUE • HONOLULU, HAWAII 96816 •

Boring Log 4 BORING NO. Sheet No. of ----

PROJECT __ _:C:::..U:...:.:.:.\N.:.:~:=s~--:...::C..:::---=CU..::.:..:L:~:ru-=-::,;;RA~::.=L::........:F...:LA=..:.U=;.._ Drillrr WA.Ll'DZ WM t..e:~c.. Dare ~ov. II~ 11. Jljl.'l

lOCATION __ ....:....:W:..::O~N..:..O;;_;:L::.:U~L:..;:U::;_:,......;.I-I..:..A::..:..::W~A...;.;.I:...:.I""' .. ...._..._........,.---- Field Party "-''bE":~llt<:o, WI-liNG, f.-lt..)(J:...ULb ,_IJA"',.~I-tl~ N.o(,£..1.(. ~ C.D•-1'1. f'U.I. 11 • · J •0

'Tt-·u<. ~ I --, :" 05 Type or Boring (CU.UD{!-". ~!':>· ~G: 4 ~~t.e)Diem_. "" 1!. '2.. ______ .:....;,_:.:.;....:,_....:.......:...;.;.....:~;_,..,,.._\-------- Elev. 1'~ ~- Datum -

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DESCRIPTION

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PENETRATION DATA

-&1)..1'\DJ>..~D '2" ~ ~· C1.D • PE-N&~iiON "T>!IN \Vt.LL.. -re.-:.1 TUee. -»~~f'Le;;?.l>

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WALTER LUM ASSOCIATES 0 3030 WAIALAE AVENUE • HONOLULU, H.AWAI.I 96816 •

.

BORING NO. 5 Sheet No. of ---

__ _;;:;..;_:...:...:....;..::;;;,...,:;;_;;;__.::;...::::...:::;.:..~.....;.:...,..:.=~!...f..=L:.;.A...;7.~A Driller WALTE.F:. l-UM M?OC.. Da.l.e NOV. l~, I'T(..t

Field Party HAKAVLA. 1 1-H\171-llDA, LUNING _ _....:.:.;:...;;,;.;:~.::;...::;..,::.....:.,_....:....;.~....:....:::::...:..:. ____________ Type of Boring AV6E~( ~) Di.am. 4-"

Elev. B' ± .X. Datum ----==;;.._ __ _

DESCRIPTION

· STiff; .MOTTl-C.D e>~OWN C,J..A'JE.'f ~11,...1 w;c..oJU.\...1

DE-C-DMf'O~~D RO(...I<., (. WQOP

V~'f ~FT, P_..~ c..ru-'1 ">11-"f"/ ~y

V~R't ~OFT, Ob.~K G-fU."/ C..~'/~'1 -=-1\...-"T "'/o!>OMe.

. ~IVE.~ Gaf'AV~l.-

VE:-R.Y SOFT, DARK. c,.~"f­. e.~OW"-1 I ~>-l-ID'/ ~t(...T ··· Wjo!>Ol'-1e.. s..\G.\..J- F~MEJJT~ . . ' O~IC.. MAiiE.R.

ME-DIUM t>E.l-1!>11'1 O~~to'. ?->~OWN "=::ll,...T'f E.t>.NC>

14h~D, M 011' \..CO B~OWN GJJ..'IE-'1 .;11,...1 w;~oMe.

. I"IU-c."T'I.J ~c:c JC.C'C.I<.

E,HD D'F ~0~11-lC.. IS 4-1 • &'

'* e:.L.e.V.b.Tl oN EhTl MA'TE:.t7 rrwM f'L.Oi rL.AN

- -- •••• c ••• ,.---~ ··- -· ... ·•.

0 z

"i "'

5·A

6~8

s-c.

5-D

5-E.

6-F

5-G

5il

s-l

Drill Bit T.C.. DR,b.b

Water level '=>·~· Time IO'.OSt.l-'.

Dete 11- 1~-t~~

! .: .. ,; ~

c ,; ..

~~ >'-c • ...: ...: 0:..:

~·est ,&"': ~ g .,; ... .J:.,;

.A. l:A. ~ ..: .acn..: 3: ~ Q ~ .!J

- 4~ - - -~

- 1~ - - -

- 41 - - -

- 8G» - - -

.. 1& - -- ··-

3~ ------ - - ..

f.,O .. ----·· ··--·-·- -

- 11 - ' - -

- ~l. - - -

PENETRATION DATA

5TAIJOA~P

I f'!;:NeTAATION le;€:11

Blowa Pllf' foot 0 10 20 30 .co

lzA

~e ow :dE f:. 1.& FT.

, 1.e I.OY.. ~ r :.li:. FT. .

'Ll LO~ j5f ~FT.

0 ze ~y. ~p 1$. 1.; FT.

~ 1.~ LO~ 5P f.t., 1.5 fT.

~ IZJ

- I v·· v v 1/ I. . / 'T~

. ~ :

..... '

..

WALTER LUM ASSOCIATES[) 3030 WAIAlAE AVENUE • HONOlUlU, HAWAU 96816 • PHON_E 737-7931

Boring Log BORING NO. (;, Sheet No. --- of

PROJECT ___ C.~~1:..:.1;..;N:...::E-::...:::::5...::E-::::· __;::::C:...::U::..:t..:::....T:....U.=:...:....R,..:...A...:...:L:........r...f....:.:L::..:A...:...::7::.:A~ Drlll•r WALTE.K LUH A'''r.OC. Da•• IJO\I. 10, 11lo4

LOCATION 1--lONOL.-\.JL-W, __ HAWAIJ Field Party MAl<. AULA, LUNING . - AU/"..Er:' ( HOf'oiV!. ) ,.,,

TM J<.: I -1- 0 e, Type of Boring - U 1'\.HIHUTt:tV-N Diem. ----=OJ;..._ __ _

-----------~~~.:......:.....~~----~--------HAMMER:

Elev. Delu.rro T.C.. D~,A&

Weight_--!..,;1 4:l..o::=.....~~> ___ - ____ ......__........_ __ .._ -----~---,.----...-----.----,.---Drill 811

Water level 4-.0' :;z,_ 0" Drop---~~----~------~---~-~----~-~---

n" STAN....,A..'""D c;:.pL_IT ~_I"OON SAMPLER_: __ _:t...=--~-·~:.::,....~··';:.:;..-=.:-=-:.~..;;;.:..;:;..;:;;.:~---------

DESCRIPTION

; :

...

'* tU-eVob-iiON E.~TtMJ!o.TE.-D F~ f'U'T P\-~N

lP-D

·. i i

''·

" c!..; v --..:

~

--

-

-

Time

Date

.:

~ l~

4-1

SD

II

S&

6:10AM 11-11'-G.'l

! _PENETRATI.ON DATA ..

STA"DA~D I c

" .. > ..

&..; ...: ..: o: u.: FE. t-15. TRATIO~

~ ~ II! '":ili u! n::'5r

81-a Per Foot ~ .... D. .n D. a ;) .!: 0 10 20 30 .. o

- - ,.. ....,

- - - ~ '!> E !.D"- s f ~R Fl.

- - - v __ /

..,. - - l • e 1..0"- 1'1: '-'~ o.e; FT.

-.. -· -·· ··--·· . -~ ..... ··-·--·~······--· ... ·-------····-- ··---··--··· --.- ~ ------·--·----:-·:~ :·-

-:;,"\. 'lo,;.

..

WALTER LUM ASSOCIA.TES [] 3030 WA.I.Al.AE AVENUE • HONOlUlU, HAW.AU 96816 •

Boring Log ...., BORING NO. I Sheet No. o.f ----

PROJECT CWI N E..SG CUL:TUML fLALA Driller WA\.:fUZ LUM J,/)':JOC,. Date NOV, 10 t. II I~ t,'\

LOCATION \-IONOL..ULU 1

\-lAWAI\ field Perty MJ-.Kt-.JJL.A r LUI>.llH6, 1-\,V:;)l-l!D..&. WOOD I t>c:.Kc...l:.) · · ,,

11'1 }<.: I-/- 05 Type of Borin; AUbCKI.... A.C...F:.- Oiam .• __ ._....::,4.:~-------------~~~-~~~~------~~------

HAMMER:

DESCRIPTION

VCR'/ o!>Of"T, t>RoWN · CJ,,.A:r C.'/ oS I '-: 1 ""/ c..o JUl. L.. ,

M&1"''- t. pe-e.. ~OC..K.

VU:.'i l-Oot> C., DJ>.l'l<- C:>l~ "'/ 611-'1')' C>,AI4D ~"bOMC... ~lYE.$ .. _.;..~ E:.L,.. 1 ~1-lE..L..L-FF-AC:>KE..l-41?, ~ O~ANIC.. ~11£,R

: V~'/ -!>O'fT; PJ>.Rt<- C:.F.l>-'1 ~1'-T'I c..t...A'/ w;~,.,.\-10, ~~ F~c-t-1~141~, ~ Or::.C:ot>-t•UC.. l"\b.ii E. I'

1 ·.

.,_ ..

,o

4 1 "'

1·C...

1·D

1·E.

1·f

1·C..

..

Elev. __________ ....._ Oetum __ _;.;. ___ _

Drill Blr 'T. C.. • U F../...6

Water level_~c?>;.;..O::.....;..' -4---+----+--~--­Time ~;~0 A.M 0110 "-lfl• bL\

! PENETRATION DATA

• -=-jJ>.Hr:;:ot-RD '1.!' o.o. c .. > .. ~ c Aj PE-HE.-1AA1ION i~IN W/1.1-L.. a..:

~ll'! ...: ~ o:~ 1E6T iUeE. u 1"~'":~<1 ;a: a a: 81-• Per Foot •o et-r.IW6/ o.&' :c: & a. ..D a. ~ .! 0 10 20 30

'" Y,.o'

40 n.

- ,4- 0.& Fj.

'I.S

f>'Z. I"'T.

,0. \.( ·'; . . ··.­'-··.,

-~·-· .. . ..

··---.-

)

CU1NE...5~ CULIURAL.. PLA"ZA

TA..BLE I A. - SUMMARY OF LABORATORY TEST RESULTS

BORING NO. SA£'1PLE NO. DEPTH BELOW SURFACE

DESCRIPTION

GRAJ)ING ANALYSIS (% Passing)

Sieve 1" %" 114 #10 /1:2.0 #40 //100 11200

. -ATTERBERG I,.IMITS Air Dried or Natural Liquid Limit Plastic Limit Plasticity Index

Dilatancy Toughness Dry Str.ength

~

'e> ~-<n.E>'

OLIVE.. ~<.oWN W..'IE.'! o!>ll.T "'jo~. 1"\JJlE-r<.. ~C.OUL.

NATURAL

17

. ME:.PlUM

ME-rllLtM

MEDIUM

UNIFIED SOIL CLASSIFICATION MI-t

SPECIFIC GRAVITY

· EXPANSION AND CBR TESTS (Surcharge-51 P.S.F.)

.Molding Noisture Content, "'% .·Molding Dry Oensity, P. C. F •. Swell upon saturation, % CBR at 0.1" Penetration

COMPACTION TEST (l\ASHO T-180-57 ~thod___) Dry to Wet or Wet to Dry Max. Dry Density· (P.C.F.) · Optimum Moisture (%)

3 :'? p:· 1-l

f"J.S'-rz.(,,'E;> ,4.:::; - .d.G,. ;:,'

DARK GaM"! t e>l'oWN 51 l.T1 CJ..J,.'f "1 C. RA.VE.t.., -GA. I-I D, <!>UE.t.L F~cNl~ 4 o~.Mt..rT~

J::!ATU~l- NATUT'Z6.J..:

Bl IOO.

(.,~ tDO

1!2 4-0

GUI"!:S QUlc..K.-1-lSD.

'OtdGI-I"T -e>U &'1-lT· .ME.O,

SL-l&I-IJ ?Lib i-II

M~ M\.! -. oH

/

5 5 c 6

to·:. 11. ::; '00'-'31.5.' DJ..i'ZK· M~"" '/ C.I.A'f£.."1 ~1..1

uJO<. y.,~N "/<!>OM'£:;-~1\1€-R M':b.VS\..

-&11..1""1 6N4D

100.0. 100.0

j~.3 .. 100.0

~A.-"' 100.0

~~-4- qj.'l S&,-, ~~-I

- "'14 .. 0 130.4-

A-'2.4 57./i:,

~0-4- 4S .•. S

NA.TU~L !:l~TUI"AL

(o']_ C.8 '0.1.. ~:2 '2.\2 1'25

cSl.tliC..K..·.ME-0. QUtc..K.· }'1-e..J:),

ME..Dtut-1 !:::!E.PIUM

<Z=>Ubl-IT '5\..lbl-ll

oM €>M

WALTER LUM ASSOCIATES

CML. STRUCTURAL. SOILS ENGINEERS

. . _;_, ___ _._:. _____ .. ·•·--.·~- :.:. ~--- .. -~:..·'·· • ·..-·.~ · .. : •-:-·.,..·.,-.,-r:.:..•.,..., ··•:;;.~,,,..·..:_-•-;.·r..·:··.-·~ :.·-~ ·.-~c:•.:·;.· .. , ... :_ .· ..... --

o.;.:

t(

~-

JOB: C~INE.5E:. CULTURAL pt_,A:t.p..

LOCATION: HOt.JOL.lJL\J J I-lAWAII

80

.· "A I LiNE ~ v

... v / ,

CH j/ v

70

60

';0

/ .3-H v •. :3 B

40

CL / c ..

v .5-C.

• 5-C,

/ ... ...

l7 •S-F

/ MH & )H

30

20

.. ..

/· CL -ML/

v MI. 0

0 10 20 30 40 50 60 70 80 . 90 100 110' 120 . 130

Liquid Limit o,

. P L A S T I C I T Y .. C H. A R T

.... ~ -:·:

·. ' . :.

WAiTER LUM ASSOCIATES, INC. R • CIVIL. STRUCTURAL. SOILS -~NGINEERS I

f'· .·· :.e LIMITATIONS

In scncral, soil formations are commonly erratic and rarely uniform or

re&ular. The borings indicate the subsurface soil conditions encountered

only at the drill holes where the borings were made. During construction,

· should subsurface conditions much different from those i,n the borings ·

be .observed, encountered, or otherwise ind~cated, we should be advised ·· .. '

.. ·_.

;,; .

-·:.-· .. ,_

. ~ ' .

immediately to review or reconsider our recommendations in light of the

new developments. The owner, architect, or ,engineer should make certain

that the recommendations are incorporated into the plans and are properly

carried out dur'ing construction.

.·.·.:.

_.· ·:.·.

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