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KALAMA VALLEY SUBDIVISION UNIT 2-A PRELIMINARY SOIL REPORT

MAUNALUA, HONOLULU, OAHU, HAWAII.· · · • TAX MAP KEY: 3-9-10: 15 & 18

FOR REFEREN~E . Rot to be taken from thiS ~ ...

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/ KAISER-AETNA . ' ~,. ..

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WALTER LUM ASSOCIATES, INc.· ·1 CIVIL, STRUCTURAL, SOILS ENGINEERS

APRIL 13, 1972

. ~ .

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. . . . '

. ·~ .·

MUNICIPAL REFERE~·· .. ·.· ~.:.DSC. ENT~R City & CR9J f Honolulu ·.· •. . .

City Hal.! Mi1t~; ~8 ~ .. (~~ng Str~et . · . . . . ~~~ .. H"·.~/B!I },~13_ :< . . .·

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WALTER LUM ASSOCIATES, INC. . CIVIL, STRUCTURAL, SOILS. ENGINEERS .

KAISER-AETNA . P. 0. Box 7534 Honolulu, Hawaii 96825

· . Gentlemen:

I ' :: ~· : .. '

.·:. '.

. WALTER LUM EDWARD WATANABE

EZRA KOIKE WALLACE WAKAHIRO

1110 WAIALAI A¥1.. ~LU, HAWAII t6116 • TE.L. 7J7·79JI

'·. ·,.

···, .. ;

. Aprill3, 1972

Subject: Kalama Valley Subdivision Unit ·2-A. Preliminary Soil Report , · (for residential development)· Maunalua, Honolulu, Oahu, Hawaii Tax Map Key: 3-9-10: 15 & 18

···In accordance with your request, soil explorations were made to determine .. general soil conditions at the proposed resident·ial· development site for Kalama Valley Subdivision Unit 2-A at Maunalua, Honolulu, Oahu, Hawaii.

Surface soils at the site may be generally described as "CH" clays mixed with cobbles and boulders. The surface clay layers were gen:erally deeper in the eastern section of the site. Lava rock was encountered in the drill holes at about 3 to 15 ft from the surfa1ce.

Cuts along the eastern part· of the site will be made partially. thru "CH" clays with cobbles and boulders and partially thru lava rock. · Slope adjustments may be required depending upon the type of material encountered out in the field·

For light residential structures, conventional slab-on-ground construction · may be used where low expansion soils are within the top 2 ft of finish ·grade, and modified foundation desigl)s will be required where expansive soils are encountered near the finish grades.

Earthwork should be dorie in accordance with the requirements of Chapter 23, 'Revised Ordinances of Honolulu, 1961 As ~ended and the recommendations contained herein.

This report includes a Boring Location Plan,. boring logs,. laboratory test results, recommendations and limitations.

EK:rmf

,,.· •.·

Respectfully submitted,

WALT.ER. LUM ASSOCIATES,

C~Q--V Ezlta Koike · Professional Engineer Hawaii No. 1450

INC.

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SCOPE . OF EXPLORATI(>N ... . ... . .. . • • • • •• · .• _ ... _ •• · ..••.•• ;~'!' ,.::, ••

PRELIMINARY FIELD EXPLORATION ···: ··. _: . -..... --~--·· · .... ·--~ ..• ::~-~- ....

LABORATORY TESTS -~ . • • • • • • , • • • · .• • . ·•. • ·• • . • • ·• · • . • •

SOIL CLASSIFICATION SYSTEM • • ·• • • . . . . . ·. . . ... . . 0 ·.· • . . . . . GENERAL SITE CONDITIONS . . . . . . . . . . . . . .. . . . . . . ' . . . . . ..

1

1

2

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2

INTERPRETATION OF. SOIL CONDITIONS • • • . • •.. • • • • • • •. • • ··• • 3 :·,

DISCUSSION AND RECOMMENDATIONS • ·• • •. · • • • • • , . • • • : ·• · • • 4

. · PROPOSED SPECIFICATION FOR EARTHWORK ..

APPENDICES:

A. LOGS OF BORINGS AND OPEN PITS · ·.•,

B. SUMMARY OF LABORATORY TEST RESULTS. -. , Tables !A. ~d IB

C. , PLASTICITY CHART

D. CBR TEST

E. LOGS OF BORINGS FROM "KALAMA VALLEY OFF-SITE IMPROVEMENTS" .. AND "BRIDGE SITE NO. ,1"

F. BORING LOCATION PLAN

G • PROPOSED SLOPE TREATMENT - Figure 1

H. PROPOSED FOOTING DETAILS - Figure 2

I. PROPOSED BOULDER FILL - Figure 3 ·::; ·.>

J. LIMITATIONS .. .. •',.

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KALAMA VALLEY SuBDIVISION UNIT 2-A .. ·•·• PRELIMINARY SOIL REPORT

MAUNALUA, HONOLULU, OAIRJ, HAWAII TAX MAP KEY: 3-9-10: 15 & 18

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SCOPE OF EXPLORATION

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The purpose of this expl()ration was todeterm:lne general soil.conditions

for residential development for the proposed Kalama Vailey Subdivision

Unit.2-A at Maunalua, Honolulu, Oahu, Hawaii~

This report includes field exploration, laboratory tests artd general

recommendations for site grading and residential foundation design· •..

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PRELIMINARY FIELD EXPLORATION . . . . .

Five exploratory borings and two open pits were made at the site •.

The locations· of these borings and open pits are shown on the Boring \ . ,·

·· Location Plan. Descript-ions of the underlying so:l.,ls ertcounter~d are

shown on the boring logs. Also attached are logs of borings previously·

made for "Kalama Valley Off-Site Improv~ents'' and "Bridge Site No. l." ·

Borings were made with 4-in. diameter augers using carbid~ dragbits.

Open pits were ~de with a caterpillar D-9 dozer with a ripper. Soil

samples were re~overed with 2 and 3-in• thin wall tube and 2-in. standard · . . .

split spoon samplers driven.with a 14Q-lb hammer falling jo inches •

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LABORATORY TESTS · .....

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· Laboratory tests included: . natural density, wa tel:! content:, unconfined

compression, torvane ·shear~ Atterberg l:l.mit, expansion and .CBR.

A list of the standard field and labo:tatory.test methods \lsed·for this

project is given in the AppendiJ:C.

'A summary of the laboratory test result.s is given .in "J:ables IA and IB •

SOIL CLASSIFICATION SYSTEM ._, __

.. . '

Soil samples were visually observed· and. subjected d:o appropriate tests

in the laboratory. Based on visual observations anc1laboratory.test data,'

the soil descriptions given on the boring iogs a.te generally made :f.1l

accordance with tl:le "Unifie4 Soil ClassificationSystem."· '·,

GENERAL SITE.CONDITIONS .'.

The project site is located on the eastern side of the floor of Kalama . . ·. . .

·valley, about 800ft south of Kalama Crater. The existing ground generally

slopes upward from Kalama Stream west to east toward .the foot· of Kalama

Ridge that forms the east boundary of Kalama Valley •

Prior to the field exploration, grass, brushand keawe tr¢es were removed •

Access roads cross the site and scattered stockpiles of soil and rubbish

were noted ort the site.

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INTERPRETATION OF :SOIL_ CONDITIONS .. :•,.

From the fi~lg ejcploration and iaboratoey testrestiltsl t:he soils ";

encountered in the borings can be generally d~$cribed as follows: .

Eas_tern Boundary

The open pits and borings along the ~a$tern boundary·or ·., .'

lower slopes of ·Kalama Ridge generally indicated ta._lus

· materia_l, "C:fl" Soils, with c.obbles and boulders to about . f

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3·5 to 12 ft underlain by si:lty sand and rock to about

15 to 17 ft, the depths dri_l.lecl •

YalleyFloor· .~ . . .

The bod.ngs 'in the floor of the valley gene~al;l,;y indicat~d ·

a surface laye:r;.: of brown ciay ("CH'' soils) with $ravei ·. '..

and boulders to about 3 to 7. 5 ft underlain with lava rock. · ._ ... ·,.

Gypsum crystals were noted in some of the soil sa:lll.ples recovered •.. 'i'

"·· · , Water was not note.d in the drill holes: during the f:J,eld exploration •.

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For more detailed descriptions of soils encountered in the drill ~ol~s·,

refet to the boring logs.

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DISCUSSION AND RECOMMENDATIONS

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The proposed plan is to grade the.site for reside~tial subdivision

development. ·

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Fills up to about 6ft :i.n height.~re proposed along the central section·

of the development. :

.Along the eastern boundary, cut slopes are proposed ~lollg the. lower

slopes of the ridge. At the lower end of natural drainage paths from .... , ..

the upper .slopes, deep deposits of expansive "CH" clays mi:ly be encountered~ . . .; .: :

•' '·

Slope adjustments and subd]:'ains liillY be required in these deposits. . . ' . .

• ! The site should be cleared and grubbed, drained and '!ocaiized soft spots

removed prior to construct:l.on of fills.

Site Grading :•.: '

The on,-site surface soils are generally'clayey, adobe or "CH".

soils, and should. generally be placed in fills away from the . . ' : .

face of slopes and preferably outside of buildingpads.· Silty

oi' sandy soils and decomposed rocks.or select borrow' soils

should be used to construct the outer sections of the slopes .

and, if ,practicable, the upper 2 to 3 ft of fills for roadways,

parking areas and building pads.

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',.·. If boulders . are to be used to construct fills~ they should

generally:be placed.at the toe of slopes and outside the

· · · building areas •

·.The construction of fills should be done ill accordance with

_Chapter 23, Revised Ordinances of Honolulu, 1961 As Amended .. ·

-and the recommendations contained herein •. The following may

be used as a guide:

·.··-

1. The area should be cleared and grubbed. Surface

vegetation and miscellaneous·debris should be

cleared and removed prior to Stte filling.

· 2. · Topsoil, stockpiled soils and loose boulders

should be either (a) stripped to· stiff natural

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.the placement of fills.

Soft pockets and pockets, of unsuitable mterial. .f .

should be excavated and backfilled with compacted. 'l .

select on~site soils.

· 3~: Hard surfaces along eXisting access roads s~ould.

be ~carified and recompacted to match the density

of the surrounding soils •.

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. ..4~ . Low spots in ._dips or natural drainageways should

. , be drained and soft spots removed. Subdrains

should be placed in a herringbone pattern along

the bottom-before the plac~ent of fills.

· The lower 2+ ft of fill over drainageways should ,

be constructed with fairly well-graded granular ·

material, .6-in. maximum size with less than about

; 15% . passing the No. 200 sieve. . \

Where fills are proposed on sidehill areas, the

gtlound at the toe of the slopeshould be b~nched

'to a generally level condition •. As the fili is.

brought up, it should be continually keyed into

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7 •. Fills. should be laid in 6.-in. compacted layers to

90% of the maximutn density determined by the AASHO.

· ·. T-180-57 .test method.

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·they should be placed along the· t.oe. of the ·fill ; ' ' ·:· .

. . ·.:. ·.-.··. .· slopes.·· The subgrade should be shaped to drain ·and ·

'covered with a layer. of .filter material. Boulders

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.. ma:y then be placed on the filter l~yer. The void

spaces'between boulders shoul~ be filled with granular

material. A ·blanket of filte:r material should be

· placed against the boulder fill before placing earth

fills behind the boulders. .See sketch on Figure 3.

Where plastic. clays, "CH", are e11.countered, slope ratios generally

._about 3 horizontai to 1 .vertical or flatter s~ould be used; other-

wise, reconstruction of the outer portions .of the slope may be

considered. Where the face of the fili slope_is adobe, the slope

height should generally be kept less than 6ft. See Figurel.

In silty or granular soils, slopes. of· about 2 .horizontal to 1

vertical or flatter may be used.

Where lav~ rock with clinker pockets are encountered, slope ratios

' ! ,, ' of about 1-:1/2 hori~ontal to 1 vez:ticalm8.y. be usedi..

For low ~uts in fairly continuous lava rock formatiO,ns, slope

rat-ios of about. 1 ·horizontal to 1 vertical may be ust!d. ·

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.. , The· cuts ..... along the. ·eastern boundary will

thru uCH" .. clays witb cobbles and boulders an4 partially

th111·1a:va rock., Allowances should be made for slope

.adjustments in this section depending on the type of'

material encountered and particularly if seepage zones,

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soft spots or expansive soil pockets aJ;"e encountered itl:

localized areas.

-~\.For protection against erosion, water should be div~rted,

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away from slopes by bents or ditches .whenever~ practicable.· ··.: ,.

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The surface of fill slopes should be compacted by cat-trackinS

with a sheepsfoot roller. ·.

, ! . Slope planting is recommended on ·cut and . fill .. slopes to

· minimize erosion.

Foundations

.. If earthwork is carried out .i

as r$~o~ended ~· the

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stiff natural

ground·and well-constructed fills should develop adequate .. ··'· bearing values. to. support the proposed light~ short-span

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residential structures.

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· .-'<:> may be used where silty· or granular soils,· or select borrow ·. · ·

.:· .. '

.. ,·· . so~ls occur within t'he top 2 ft of finish grade·.· . . .

• '~-. • ••• ; ·, t ·, •• •:. ' • • ( " •

. -~· ::;· ·:>·:··:·If slab-on-ground construction is used on clay (''CH" soils), the . · .. ,L '·' T • '; ...... .

. :• ':-' . '·.· ':; •' : ... ·footing excavations around the perimeter of the building should '·: \

' ,: I '} . . . . ;~ ·,,;·

extend 18 in. below the bottom of the footing and backfilled

with compacted, select coral or an equivalent material. The

; base :course should be placed and wetted down 48 hours before the· ·.- ... ;!

' ' •• ~-J

placement of slab on ground. See Figure 2.

' .... ,i ;· :\''•

",',) .. : ... ::.·.· Po.st~and-beam construction may be used where clayey soils,

···· .. , ,· '•·, •• I'

' •'·"":7't·' ·, '. '\: ·'.'I : '• '

t' ''-. ...

. ·.;c •. ·: .. ·: .. ·: . : .. ·~.:· ... ·

. "CH", are'neat finish grade. To minimize the effects of heave

and shrinkage of "CH" soils, excavations for .the foot bJ.ocks

should be made about 2ft deep and about 1ft 6 in._square or . ~,-;. ~-: .. .. :· ....... :, .. ' ,,· . . . ': :" . . ~- ..... '-::·:i -~ ·· >round and backfiiled with compacted, select. coral or an equiva-.

.. . ~--~ . ' .. "' ·'' p

. :.;· .··,,.

; '.' ~ . ' ,\ '. . . . ·, ·:: : lent material. -·The foot blocks may be pl_aced on top of the

... · .. . ' ...... /:'

p ··:'[{ .'

coral. See Figure 2. . . ' ~·

' ·.· . . ·.·' :: .

. · ·. '• ·,· . ,• , ~~· ·. . . .. ', · · The select coral should be well graded • from 3/4-in, <to dust

'•' ....

.~: . :. .. ·~ .... . "·:-:

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: . . ' .. . ' . '. (. ::'·

. .' ·~-~· ... :. ~- .' > r~ · ..... · ... · ,:' ··,,

!•·:.

.•''•

. ' . ~ . ·-· ..

·. '·;

.I . .',' ,,.:.

•• : : t•,'. ;· .. : ... · .. ·:

.:· , sizes with about 25% or more passing the :No. 200 si~ve •. ·:''

~-._. ' •· .' ·. .-: ~ ' ,: :·.

. The following may be used as ·a guide for foundation' design: ·•

. 1. Bearing val,ues for a given soil vary. with the

·size and. depth of footings. · For light residen­!

tial structures, beariD.g.values.of about 1500 ' ' . . ' . ·,·

. , .. ,

· ..

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. ·~· '·.

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;-, .·

' : ', --.-,:_·;·· . ' ~. '

·I·. ·.· I.

fill ilnci 2QOO p~·s.f, on stiff .. - ... ·

'•'

may be used. .. . _ .. _. .. ·:

spots or pockets of loosemat~r1,.al enc~untered

. :' ·,.in footing excavations or below a bui_lding area •

should be excavated and replaced 'With compacted·.

on-site soils or select borrow materials •. ·

Concrete slab on ground should be placed over a

-base.course of 4 in. of well-graded gravel less

. , ·than 3/4-in. and greater than 1/4-in. in s1-ze.

. L·:. \,:. · .. _ .:-

. : ;;-.If practicabie, the subg_rade should be kept ' .; !,~ _ .. ' .. ~ -

•,. -~

.higher than the lot or general finish grade.

The subgrade should be compacted and shaped to . ~ . ' '

a level surface or to drain • . .'-~ -~-

\.'

4~-'~ Buildings and structures should be placed ·.:,

'·--about 15 ft from the tops of slopes. This

distance may be reduced for lower slope heights, ., -,•

.•r,

::- .•· e.g. ' 10 ft for lQ-ft high slopes' but in no

case closer than 5 ft from the top of a slope.

'1 •• .s • . _, Construction of retaining wall on slopes should '• '.

generally be avoided.

.r-_..

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'· ,·;·.

. . .

6. ' Good surface drainage away from building

·· ...• foundat.ions should be maintained and the. site ·-'' . ' .

should be graded to prevent the ponding of ·

water. . . . : . ~ . '

.·. I ' . ' , • , ' ., ~ '·i 1:" ) 1

·. · .·.. . .· . : ··'Underground Utili ties

. I

.'-

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·.·.

.. :

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•l.;

. ·-

'···

.Underground util,.ities shouldbe placed after the fills are

constructed.

·Utility line trenches should be daylighted to drain.water,

. particularly .in the upper (eastern) sections •.

i''

Flexible connections should be used. J

.' ' .. Roadway

In general, a .tough estimate of the roadway pavement thickness

fo.r the light automobile traffic anticipated is· as follows:

1. Wearing course - 2.,..in. asphaltic concrete.

2. Base course 6-in. base course.

3. Select borrow - 6-in. select borrow.

(0 in. over rocky ground)

4. Borrow - 24-in •. borrow over clay,

"CH" soils (CBR<2,. Expansion "1 7).

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. •, ... ·

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·. . ·~ L. ·.; 1,·: ..•..

-· "• '·, ········~. ·:=~= ~::~:.::.::~·.:~:::~:.::::.:-::~' ~

.. ·.' ... field as··ground conditions are exposed at· supgrade levels •

. :-· .·.·

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,;. ..

In fill areas; the use of select _soil;s witbin the top. 3 ft

fi,nish grade may be considered to reduce. the thickness

or eliminate the_ select borrow or borrow courses.

It is reconnnended that the pavement subgrade 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 through the walls of catch .·'.

":

basins.

Unforeseen Conditions _,

'

Unforeseen or undetected condit:f,ons such· as soft spots,_

seepage water or expansive soil pockets:may occur in'loca-

lized areas and will have to be adjusted and corrected in·

the field as they are detected.·

..

l

·'

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'_.; ... u.~/~,~--·.~ II'<;;' .:_·:.•:'·'' : ' "•, .",, '• I:;'.·' .. . . . :"::···:. . . ... :. ~:·z~;'':_.>;·,-~:~. ·.· :~·:.;.-~:_·::. : ... :.<·_~;'·-~·::.·.;; ,.: ·.

, . ·· ·· ·· , . · ~ :;':!.·~.:.•_:: .. •·.·;.;_::.·:·~-'~-~-i~.:.:?f'. ,x :e L;::~ . ,., ~ . .. ' ·'·· ,..... . . ·····; ';~ ;}~~.:'']:t·:· .•• · ···· ·•·· · · /''i:j';;it'~:·j.)PaJ;~s~ SP~CrF±CATibN FOR EARTHWORK

-,..' .·., /•

.·:-,~:~?;):~~~:;;,\-:;'}·;KALAMA VALLEY SUBDIVISION .~·UNIT 2-A, :·:;.

,:-.

•' '. :~

. '.··:·.:> ... :.:-':._:(- ....... • > ' I~· ':' :>,

:-,,,. · ···.· Genetal-besc~iptio.n .

··.\ ,.

.. . Tli.is it~lli shall consist of clearing and grul;>bing~ preparing of land

to be filled, excavat:f.Iig and filling of the land, spre~di.ng, co'II,T,{)acting

. and testing of the fill, and subsidiary work necessary for grading the

site.

Clearing, Grubbing and Preparing Areas . to Hbe Filled

· VegetatiO!l a~4 rubbish shall be removed· and disposed of~ . leaving. the ·

· : disturbed area with a neat, debr:f,.s-ftee appearance.

Topsoil .and stockpiled soils shall be 0.) sttipped to. stiff natural

ground or (2) scarified and recompacted before the placement of fills.

·.Loose surface soils encountered a:t finish grade shall be. scarified and

... recompac ted.

Stockpiled, .nested and· loose boulders shall be removed and the area \1 ..

: :.: stripped . to stiff ground or scarifiE!d and reconwacted to a fairly level • ' '

· ·. condition before the placement of fillS.

'· , r· ,. ·,_:: :·

.. '', ...

'· .. · . :: -~-~:...:~~ : .

, ... ·

.,

.. ,_; ..

I·:/

· ....

• c

.· ... ':.

:, .. ·, • • ,. I • ' ~

. .... I•' •

. ·.· i

", ·.>·'

. ... ''

... :.

. ,. '• ' ' 'h ~ :~.. .

Hard surfa,ces along the. existing access roads shall ibe sca,rified down. ·. · . . '

. . ' . ' .

·. to stiff soils and recompacted to match the density of the surrounding soil· .. '• ' .. ~·

before the pl~cement; of fills •

. Where fills are proposed in sidehill areas and gullies, loose material · ..

.al,.ong the bottom and the sides shall be strippec:J 4own to stiff .natural

ground before the placement of fills.· New.fills shall be, keyed into the

sti.ff natu,:al ground!

,,_:_ ',,. ·'' ·', ... ... ,·,,

,.· .... ·. .:':··,..·,

',!1 ·.·'

, ... · ''

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.··' ·, ·r.

•: ... , ·'"· '•

·:•;._

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·.·.-·· ' .....

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,·. ··.·

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·. ·•··.

~:. <·' ~:· > > < . '. • '> ••

;:·~: .. ··:: , . . r~: : , I. ~ •• • : • .. • ,;

-.·

,. ' . ,,. ' ,-.·_,,,

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.·

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·.·.: ' ... _:._··.;· .· . .-: ,· . ·· .. : ;·

;i··

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•:: .. -·1·' ..... .···,

. " .:··:.>. .. "" ~

'' • •• ,! :.·· •• '.'

·. · .. · ·; Subd~airts. shali·b~· placed along .:th~. bottQm. q; .~·tur~l drainageways: '• :, 1.· . . .! . ' .

before the construction of fil-ls. <Th~ final locations of subdrai.ns shall

· be detei1!lined in the field a;ter clea'ring and grub,bing •. ··•

. . ;

. . .

Where fills are ~de.oii sloping areas steeper than 5 horizontal to

1 vertical, the ground at the toe of the slope SQall be benched to a.

generally level condition. As the fill is bx:ought up, it shall be conti-, ·

nually keyed into the stiff natural ground by the·cutting of: steps into

the hillside and compact~ng the. fill into these steps. Ground slopes

· which are flattel;' than 5 horizontal to 1 vertical shall be benched when .

considered necessary by the Soil Engineer. ·

Materials·· ·.'·

:· .·

Fill .material .shall Consist of selectee;! on•sit~ so1.1s or :.approved

: · · borrow soilS. The .·soils 'shall contain no. mpre 'than a trace of organic

·and deleterious matter. ' . : .

Borrow soils shall be select soils genera1lyless than 3-in. maximum ' ' . . .

size, with more than 30% fines and a plasticity irtdex. generally less than

20.

Adobe or "CH" clay .soils shall generally be .. placed· in .fills away·

1· •. ·'

... : '- '.

·:·;

. . .. " "··.· .

'. ·.·.·.

l .•

'' .. fro~ the face of slopes and putside. of building pads• ....

. .. '· ' .... ·,. ~ ..

.·l·

··: . . · o!· '.' <,

·.· '·-:· ·::_::·.;.

-.·.t: "·

!''

· .•.

.... ··. >:.,..

. v. ; ' .

. ,~.

':·, '. • ...

Fill material placed in the top 2 ft of fills shall. contain less than . ·

30% gravel.

' · Placingi Spreading and Compacting Fill Material·· .. ;

The selected fill material shall be placed. iri _:levei layers whi!ch, when

.·.·compacted,· shall not exceed. 6 inches. Each layer~ shall be· spread evenly

\.

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'• ·:

<:·.'··_._ ·' \,,

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-. ' ,'·'',

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. ·. •,

.. ~ :

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,' .. . /·. ·:: .

.. ··_,-.~.· ·.-~ · ... ' .. ·. . ...... .,_,.:.,

. ' ' ' . ~·

' ; · ... : ~ '.

.. >: ·.;:::·: ·: .· .. . ~.' ·. . ' . ·.

j, .· ,.·•. ;. ·'

···:-'." .. 1'.

. .·· . . · .. ... . " .. .· ..... · .....

and thoroughly:· blad~..:.tn:f.xed . during the ~preading. t~ 'insure uniformity of . j'

material and wat~r content within each layer. . ' . '

RockS or cobbles shall not be allowed to nest and voids between

rocks shall be carefully filled and compacted with small stones or earth •

When the water content of the fill material :f.s.well below the

optim\lm for compacting purposes, water shall be added until the water

content assures a thorough bonding.during the compacting process.

Wben the water content of the materiaL is well above the optimum

for compacting purposes, the fill material shall be aerated by blading

. '. : . : ~ · ..... · or·by.othe:t satisfactory methods until the water content is near the

"• ·.

·.- optimum. ... . ) ~ '

' . '. ~ ' '

-~' .. .'

", ' . ··'

After each layer has been placed, mi~ed and spread evenly, it shall

be ·compacted to 90% of maximum density in accordance with AASllO Test No.

.. T-180-57 or other comparable density tests~. Compaction .shall be with:

sheeps:foot rollers, multiple-wheel pneumatic-tired railers or other

. .acceptable. rollers which shall be able to compact the fill to the

.: .

·-----.·

.. ,.

\ .·.

: .. •'

· ... . . . ... ·.

".•

·:,

, , ', ~ l ... .:·. I. ·,

. ' . ~ .

·'.,•:' .. specified density. Rolling shall be accomplished while the fill materi~l: . . . ~ . . . ' ~' ,

' . . . ', ;~ ·.·is at the specified water content. The rolling of each iayer shall be

I-~ .' ' . ,, ~

'··. ).

\ .. ' ~

. ·. ;_ ' ·, ·~

... . . ' . •. .. ..... : ·' · .... :f ..

. ~; .

. ·. '

·' .·-'

.··::_;,_.· .. •'.

I . ~

· ... '··::.,: ... :·· .. ,,., ..

continuous over its entire area and the roller shall make sufficient

passes to obtain 'the desired .density.

Field density tests shall.be made to get an indication of the

compaction of the fill. where sheepsf.oot rollers are used t the soil may:

be disturbed to a depth of several inches. Density readings shall be

taken as often as necessary in .the compacted material below the disturbed

~. ! • •••

.. .' . .'.

.. ::

.. :,·\

··:·

. ~ .. ' .

'·.

1:'

,·''

. _,,

·•' .. · •. :--.· 1· ••

,•::

,-._. .

•. • J I • '!,.'

')(:

. ' :·- ~. ' :J. ·_, . 1,·· . ,\. · ..

' . : -. ' ~ ' ..

- surface •. _When:' the~e; readirtgs indicat;~ that: the' density of any layer of.

fill or portion thereof is below the required 90% density, that layer or, •.',.

. :. .. :. :.

.·•

. ' -~·.

. .

portion shall be reworked-until therequired density hasbeen obtained.

The-fill operation shall be continued in 6'-in. compacted layers, as

specified above, until the fill has been brought to ·the finished slopes · ·

·. ···:····. ·:. and grades as shown on the accepted plans.

· .. ·. !.·· -· .· .. ',• , . -~ '

:_·:~~-.·Excavation . >~· . .,:

.···;.J.•, . ·l . ".- •l.'• •••

. >.~-~- .. __ ··.· t. l

Suit;able material from excavation shall.· be .used in the' fill and ·

.... :

·. · . .- .. -': ..

.... ' ·,' -;· ·unsuitable material from excavation shall be. disposed of'· '•.! .

.', ~ ',

·· ·· .. ~.--' :. Unforeseen Conditions.

'··.·.

',\

'' '·

, .. . '

··,, .· ..... . ·· ·· .. . ' ·,.·.-,.,: ::·.

·;·_ ..... If unforeseen or undetected- critical,. soil conditions· such as soft · .. '• '. . ~

.. •: .. . · •• .. .,- .. _ '· .,

• . -· .·-.;,;•_!

•,' '

~ . ·.

.·;-.

'\•

·:.· ·,·l :.-\

..

. i . . . ·. .

·spots, seepage water or expansive clay pockets are encountered, corre~tlve

·measures shall be made. in the field! as, .they are detected •.

Rainy Weather-

Fill material shall not be placed, spread or:- rolled·: during unfavorable

·weather conditions. When the wo~k is· interi:upted; by hea,YY rain, fill

operations shall not be .resumed until.field tests'indicafe that the water·

content and density are as previously ~pecified ..

' . ·-~ . ' , ~ . '

.. .-.. · .-·.·- ,, .;

_::~' ' . ' .:, .:

~- .

.' · .. :· ,.· · .. ·.-, .. · . -:·

~,' ', I I 1 , f ', •

-.··-..... · ... :

,.,._. .-· ··.

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:~..:.

'·':' ._ .. . :

... ,. .. •.

·- ;t- _.

,.·., : .. -·-

,, ' .,; :·

··-.. i·.-· ... ' : ~ ·.·.

.. -;·

·'

•'"

':-· ;<-: : . '.

'.,.'

· ...... . .. :·

.·, "•,_. '<<> ··_;,.··.:' /,','•.

.·,- .· . . . ,.:,-1 :

.-,_: _:_._;·' ->----, .··.

·:-·-: .. ~ '•

•. f,'.

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,·.·

• ','

.. ' . , ·.' ''"'

·. :.-: . .... .

',.' • ~ \ f

r •••

'. ~ :' . :···'

..;·

,. ;' · .. · . BORING LOGS

. . •:

':'' . '.""· ..

-~: ;.·. '· ... ·

. 'L;

The stratification lines shown on each of .the: boring logs represent. the approximate boundary.between soil types and the transition may· be gradual.

SY!Ilbols

Symbols used generally o11re in accordance with·the Unified.Soil Classification System.

Where a parenthesis "(MH)" is used, the soil .sample was classified by visual observation of the sample recovered.

Where no parenthesis "Mil" is used, the soiL sample was classified from either the Atterberg limit or sieve analysis test results.

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WALTER LUM ASSOCIATES,_ INC. I 303P WAIALAE AVENUE o HONOLULU, HAWAI_I 96816 o PHONE 737-7931

Boring log KALAMA VALLEY SUBDIVISION

PROJECT UNITS 2, 3 AND 5

. LOCATION _ __:K:::a:.:l:::a:::m:.::a:.....:V:.:a::l::l::.::e:.Ey..l,._ . .:.:M:.:::a:.:::u:::n:.::a:.:l:.::u:.::a~,.....,::;O:ah:.:.u=--­Tax Map Key: 3-9-10, 15 & 18

BORING NO. __ 1:..;;;_:1;..__ Sheet No. --- of ---­

Drliler ~-\...U~ A.~'=>OC...; 11-J£.., Date JA~- 11. lj1'2.

field Party GaL-OR.Y, ~DOVIC..H "· (+-belLE.) !''

Type of Boring · ' ""Q%. fe • §.. 0 Diem. ----=~~-..,...-- J/1 ~ '

Elev. ? \ t Detuin _.....;._.;;;=~......_-HAMMER: T , D 0 ... ,_

DD~rii~I~Bi:t~~-~~-~~~~~~==~-----,-----~-----­Weighto_...,:1~4..::0::..it~---__;...--_..-------- -

Drop !>o" w- •:: ··~-;~-~ _I_

SAMPLER: '2." t;'T/l.IJDARD. <Sf'L..lJ _ 4poO!--l . Date 1.·\1 .]'1_ .

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DESCRIPTION

1f:. et.£.-\1 0 ' r;; \'-t:. 2 . ' : -~

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' WALTER LUM ASSOCIATES, INC... I

Boring LogKALAMA VALLEY suBDIVISION

PROJECT UNITS 2, 3 AND . 5

LOCATION Kalama Valley, · Ma unalua, Oahu

: Tax Map Key: 3~9-10, 15. & 18

HAMMER:

303Q WAIALAE AVENUE • HONOLULU: HAWAII 96816 • PHONE 737·7931

orE.H· PIT

of ..

DriJI~r. I<Al~ ~.·!<A l De¥. C.O • Date -JA 1-l. II : i I 17) "'1 'L ~ .. ..:_ ·

Field Party He'tE.~ Lw. WM A..:;,~oc..., 11-lc..) · Of'E.I..I "'T . I I

Type of Boring "'/P-I\ Po%.e..R . ~. 15 )I 5 ~'±-M

Elev. -.----=~-=-----D1tum __ ...;.;...;;;;..... __ _

Drill Bit

Weight~~;;;......--~----------~----------~-----~~---r-----T--~~-----r----­w.ter Level ~.,'trlc.t::;D Drop,_.....;;;=;;;...------------------- Time

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Standard : '·Penetration Test ;liU.: !!"' ,. 0: N (Blowe per foot) > 0 10 20 30 40

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••

WALTER LUM ASSOCIATES, INC. I 303Q WAIALAE AVENUE • HONOLULU, HAWAII 96816 • PHONE 737·1931

Boring log KALAMA VALLEY SUBDIVISION BORING NO. "Z.B Sheet No. --- of ----

PROJECT UNITS 2 , 3 AND 5 Drlll•r VJ · WM b.~Oc..., 11-!C... Dote Jb,\-l. l11 l"'1'2.

LOCATION Kalama. Valley, Maunalua, Oahu Field Party ~t..O~'t{:_ ~POVIC..~ ___ ;;;__;_.....;...;....;;;.=~...;;.;;===.::.L_..;;.=:=--- ~oe.u.£) 4!' Tax Map ~ey: 3-9-10, 15 & 18 Typ. of Boring AUC:.E!?- '1!'>·4=0 Diem. ___ .;..__...;... _

____ .....;;..~...;..;;;;;;,~~..;;.....-=-~::..:..J:-=::........::....:.;:.____. ~ c,; '-t. -HAMMER: Elev. _ ___;:;..::::~~~--- Datum ---==----

Drill Bit -r.c... t>~

~:i:ht __ l!.:!::.;~~~-....;..-----------~- Wotor LTr:e,..,.'_-~-:-o-:-'_J=IL.&-=P=-·1-i---11----t-lf---+1---'Z·s - 'l'' o. t>. nm~ WA\..L.. "TUee. . . . .

SAMPLER: __ ..:'2.::.."-So:::;.<;:::;..;;..-..:1:::.." .;.::·'Ei;.:.:ifA\-J~D;;;::A;:.:.K~D:;..._'5~f'l..:::.l1""--<S.=Jf'OOtJ~~--- · Dote I -n -1'1.

DESCRIPTION

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Standard j!.1~:o..:,.:, ··· Penetration Tellt 111 .., ... .,......,..

"TU~e.. ~MJ\LR Ct ..• li A. N (Biowa per foot)

"~-- li!II..O\f..6/0·&' > 0 10 20 30

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. WALTER LUM ASSOCIATES, INC. I

Boring LogKALAMA vALLEY SUBDIVISION

PROJECT UNITS 2 I 3 .AND .5

LOCATION Kalama Valley, Maunalua, Oahu

'Tax. Map ·Key: 3_...;.9-10, 15 & 18

30® WAIALAE AVENUE • HONOLULU, HAWAII 96816 • PHONE 737-7931

Of'E.\.l t'li liBI!I!iB NO. · "(. f!l SMet No. of

Drill•• KA\5t:..R 1-1.-~l Pe>J. W. Date JAN •. ll , I ~1'l.. · Field Perty }t'\E;.'1E-1< LW .u.H1 A<G<:..Oc..., ll-lC.. ) · .. --- ·-

Type ol Boring 0\'E..'N f'l1 ...,/0-'\ Diem. 16 ')t 11.1

14'~ ~ Elev. ___ ....:..;.:.....::::..---...;.._~ HAMMER:

'i" ·· uD~ril~l ~BI~t _:;:;;;==:;:==--r---'T"'"--~---Weight 10 'SLE-Dbe;.- HAMI--\E.R -· ~~~~~- Level Wf, c.f:I?-1

Drop·---===---------~~------ . - Time - -

SAMPLER: _ __:'l:..." ..:::0~. D.:;..;.,-...:114~-. :.:.;I\-I~W..;.:.~::;;::;;:l-::;..;.1U~'e'>:;.;;t...;;;;.;..· _............: .......... -- . . o. .. -: . .:.l~-..;.-l~l;...·'3_1~'2.~-'+._-_-_-_-~_-+:_-~--~--+~...-~----~-'+~~----~

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:0 Standard . . . 110 'It Sl..eD<::l e. li..: , Penetratlcm Test HibMM~

ul ! ..: N (Biowa per foot) > o 10 20 30 .. «! .. aoii-JS/o.:;

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WALTER LUM ASSOCIATES, INC. · II 303P W_AIALAE AVENUE • HONOLULU, HAWAII 96816 • PHONE 737·7931

Boring LogKALAMA VALLEY suBDI~rsroN BORING NO, ·· ·· rz. "?- · --- · -- Sheet No. of

PROJECT UNITS 2, 3 AND 5 Driller J,<.I.W!-1\ A.?50C.) lNG.. D.;. dAN ,J'T.; 1~1'L·-~: -= LOCATION

Kalama Valley, Maunalua, Oahu Field Party- 1'-i\e..._,e~-~ !<Al<..l..t-- ---- -----·--------- --------.. -..,-

_...:.;;::.=;:;,;:;;=--;..=.:=::.~-~-r-..;.;;.;;;.;;===..~--=="-=--- Ty- of Bori- AuG.~{ A4~JDiam_. 4. - ---,Tax Map Key: 3-9-10, 15 & 18 ... ..,. -

- - ~ ~4't Etev. _ Datum --~--~-

-~- __ . _ ---·- .. ____ .• _. _ ,.,,." •. ___ ___ ..... DriU 811 ,-, (... pr-:,A 6\

SAMPLER:

DESCRIPTION . I

t:U:.VA.:T to~-= -~41 J,

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. PENETRATION DATA

Standard j . . Penetration Teat ., ... '

Oil ! A: N (Blow• per foot) > 0 10 20 30 .co

. 4-C/i::. .\.;\,, 1'l ~- -=~-' t==F==t==F=t:=::¢·~~--~~ .:~ P.&... ~ HA~Me.~ . :_

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WALTER LUM ASSOCIATES, INC. II 303() WAIALAE AVENUE • HONOUiLU, HAWAII 96816 • PHONE 737-7931

Boring Log KALAMA VALLEY SUBDIVISION BORING NO. ~0 Sheet No. of ---

PROJECT UNITS 2, 3 AND 5 . _ o.m~r /I.J •. WM t.s.soc.., INC.Date ·J-61-J. 1e.. 1?1'L.

LOCATION __ ..:;K:.:a:.:1:.:a:::m:.:a:.....:.V.::a.::1.::1.:::ey~, ..:Ma:.:::.u.::n::.a.::1::.u.::a:....:...'-....;O:....:a:.:h.:...u:;,_ __ Fle_ld Pertv J~l<.Ll.ZAI<..I, (5LO~Y, R.ADOVIC.tt · . ( MOI')Il,.C') .d.."

Tax Map Key: 3-9-10, 15 & 18 Type of BorlngAUG!SR. Pl-4o Diem • .;;.;··'--....;·...;.·...IT ___ _

Datum -----------_____ ..;.;::.;;.;;...;;;;;;;.:;_.:.:.;:.~-;;,_:;,_;....:....:._-----~ Elev. * f~ 't

HAMMER: Drill 811 "T· C-. DRAG

Weight_~:."'" ____ ··----- ____ . __ ~Y!~•!~ ... ___ ~Leve_:I~~%J~.=c:..e.::::_o~~~~~~-~~--~---O_ropr ___ ..:..:::::.._ _ _.;.....; __ ....;_~-.;.;..;.....;..;.....;......;...._- ______ Time - •

SAMPLER1

-- 'l.~ '::7fL\NDAI3-D '?FL'T c;.roocl ---~::~ o ... ·:-~-..:.~~.:;.~:_ ..... ,:...:7.~~-:_-:_-:_-:_:~-:_-:_-:_-:_-:~_--:_-:_-:_-:_"1_-:_:::_-

DESCRIPTION )It ,

~L~VP.."T lOt-I-:. 1(p 't ~ e~\1..11-1 c.LA"'' ·.-. . . _ . __

-·---- --- ~/SAND 1 G~"''e.L. ~ r

. :ot'\.GAt,hc.. MA\Te~_ ·_::~~:.

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fat ~-t4 ~A. i ... ~- Q

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. PE-NETRATION DATA

.. Standard -~----=--~=_:.::~: .. : :.~::::-:-· 1..: , Penetration Teat :... ..:::::;:-.::.::.: .• ....:.....:.:.::: :: ., ..; ' .. . - ---- - -- . -------i IlL N (Blowe per foot) -- ·· -----·-- -- · -> 0 10 20 30 . 40 ----- -------------- .

'l.0/0.0' 'HAMMe~ ... -~OUNC~:.::-·

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. WALTER LUM ASSOCIATES,.INC.··. I .. 30® WA.IALAE AVENUE • HONOLULU, HAWAII 96816 • PHONE 737-7931

. . . .

B .. oring Log KALAMA.· .·VALL·EY·. suBDI.•v· I. sroN. .. ........................ · BORING NO. ~' · Sheet No. · ·--of ----

PROJECT_...-.....;;.UN.:;.; . .;;;;t;;;,r.:;.;S_._2,:.·t . .._J.;;._,;;A:.;;_,.ND.;..·._5;_____,· ------- Drnier IIJ.LUM . b.SSOL.,INC. • .;.,,;: :-;:J~t:,l;11 .. ;-t?'1"Z..~- ::.-

LOCATION Kalama· Valley

1 Mau11alua, Oahu Field ,.~;,-:~Me"/e~·\ t<.A\<.;.U_ ·_:---: .. -~--- -- ........ ·· · .. · .-:.~---=-....;:

( . . . . AUC:It:':~ACJ<.~R) . . 4'' . .. .. ... --i Ta~ Map K~y: 3-9~10, 15 &. 18 Typo of Borlno \. A~ Diem. · · · · · · · · ··· --

' . · ' · Ele·v· • ' a.. • +_. ~ Datum HAMMER:· I · · : ·· · · . _________ . Drill a1~ i•z o~~g, _.....;.. _____ _

Weight. \4o~d-· •·· --~· .. ·:·--:~-·· -··:·-·· ...... . Drop ~0~ : .. :_!1~·~-Le_val w~HC.!;;QI ·I

. ·. ,lt.''$~ •z:o.p, "T~IN ~AL.L iU~6 .. · ... ·. ~.:::..-~::.•"""-·-..;..·-+.;..·'--+---+---+· ---SAMPLERt !to';,~- rz." :2\'AHpAW SfLIT SePQN ... ~.--.~ .. Date .:.1·;..;.'.:.1·...:1~-z.:...L. ----L-----'--__. __ _,_

. PENETRATION DATA

! .:

. Jj c:

.! ~ ! Ju: .:..:

Standard . l't..'o.P. 'ft-ttN : .. 7. = I lUAU.. 1uee .... ~ ::i , Penetration fftt . .. .5AMPI..SR. : .. -_::

Ia: N (Biowa per fool) . l!;llDII-l~/0·~·~-> 0 10 20 30 40.

DESCRIPTION II. j# \.1 ~~ J to: all. :1: :;,

""1-: L.\..", I'\.~

• .. ~lot CI...J>."f f.IJ/ C::II~.A'i!.\;.1 -:~- CDbP>IJS,~NO t, :ICOOT~'.

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KA~MM · VALU.~ 7'1 ~9\\J' ~\ot'\ ~··uy\r ·12 • ._ ···:-··· ......

•· .... ~ ... - . . . . . ·. .· .. · '.' . . ~. . i

. ::~ABLE ·!£·~·:SUMMARY OF LABORA~ORY TEST RESULTS ·. . ... , .. ·

\·.

·; '·

' ' . ·'·' ·· ...... ·, . ;: \ ...

. -~ . . ; . . .

.... :: .· ·· .......

... '· .. : _:,

·.,.·. '. ;,'· '.J. :··;·.-

•••••

BORING NO. SAMPLE NO. . . . . DEPTH BELOW SURFAC~

•. •·.·

DESCRIPTION

GRAIN-SIZE ANALYSIS .~:<·<~··; : . (% Passing) · · ·

Sieve 1"

·.·· .. 1/2" .· . ,.,· .. · 114

(110 1120

··' 1140 #100 •·

11200 .. ·,

. ATTERBERG LUIITS Air Dried or Liquid Limit . Plastic Limit Plasticity Index ;

~ Dilatancy Toughness Dry Strength

UNIFIED SOIL CLASSIFICATION •·

N~\\A~M ... bl /1. "(uve.A \..

~~ ;~

1.tJ ~1 ~te '""

{;f(VI. \ <:;\(..

~He" ~GI'c-\! .. M~io. ~\blot .. · ~\..\(:;!~{ .. Mi2·

c..~ ~11

·· · . APPARENT SPECIFIC GRAVITY· . :·.

·' . ·.'

. · .. ·

.· .. ·,

·.a· ....

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

Molding Moisture, % . . . . .. , Molding Dry Density, P.C~F. Swell upon saturation, % · CBR at 0.1" Penetration·· ·, ,

. .. ·... eJ1. f, .. -~.;....;;....--.\D.~ ~· .

I·~

REMARKS: .'•, ; . : •. l. ,' • .. · .• ~-:.

: f: ... · .. , .·

.• ···.

Date ?.l;.te>•1'l, -.· . . :···

. .'.:-.:: '.. . .. ::. . ~ '/· . .' ~ ... : ., . ·: " ~ .·

.. ·

w~·t\) Ri.l.. N~1YI'tA~

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WALTER LUM ASSOCIATES, INC. I· ~ CIVIL, STIIUCTUIIAI.. SOILS ENGINEERS

.. ··.· ,;

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· TABLE.·(L ·.-.SUMMARY OF LABORATORY TEST RESULTS

BORING NO. SAMPLE NO. DEPTH BELOW SURFACE ·~ ·

DESCRIPTION

1" 1/2" . #4 1110 1120 1140 11100 11200

.. , ...

ATTERBERG LUIITS Air Dried or Liquid Limit Plastic Limit Plasticity Index~

Dilatancy Toughness Dry Strength

UNIFIED SOIL CLASSIFICATION

APPARENT SPECIF'IC GRAVITY.

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

''\.::

.. '"· Molding Moisture, % Molding Dry Density, P.C.F. Swell upon ~aturation, % : . : · CBR at 0 .1" Penetration · ··.· •.··

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WALTER LUM ASSOCIATES, INC. I _3030 WAIALAE AVENUE • HONOLULU, HAWAI.I 96816 • PHONE 737·7931

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

PROJECT _ __:KA::.:;:LAMA:.:.,:.:......:V~A=L=L=EY.:.....Q:=;:F:..;F:.:S~I:::;.:T:.:E:....:l::;MP::..:;R:;:;Q.:.V=EME:.:· =:NT:.;.;:;.;S;,.. ·Driller W. 1-L.l M A .,soc-., _JIJC.,Date A UGt • .,., , \") 1 I

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4'?>' ~ 1t HAMMER Elev. Datum -------~-

: 14-0 * CD~rll~l ~~~~~ ....:.'~·'-~· I"'=P..=~=U.~~~ :T:·:"-~· ~c,..:o~~~~-·t-l.::C:!::, ___ .---~· Weightr_~:--.,..,..-..,...;..-....;..__..;._...;.._ _______ _

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WALTER LUM ASSOCIATES, INC. I 3030 WAIALAE AVENUE o HONOlULU, HAWAII 96816 o PHONE 737·7931

Boring Log BORING NO... '2 Sheet No. of ----

PROJECT KALAMA VALLEY OFFSITE IMPROVEMENTS DriiiH \<J.L..UM A'7'70G<-,tHc... oat• AUl:I.4,SII,11.

LOCATION ,....-M~a::.u::.n:.:.a=l.;;;u.;;;a~·...;:O~a;.:.h;.;;u:;.,~,r.....:H.:.:a::.:w~a::.i::.i=-..._-.....____ Field Party 1>1A f.:SH 1 RO 1 T-s u

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WALTER LUM ASSOCIATES, INC. 3030 WAIALAE AVENUE • HONOLULU, HAWAII 96816 o PHONE 737-7931

Boring Log BORING NO, .:? Sheet No. of

PROJECT _ _.;KAL==AMA=:.:.-V.:,::AL=i.=E::.:Y:.....:O;.:F;..:F;..:S;.::I:.:T:.=E:...· -=I=MP~R!::;;;O...;.V=E::.:ME=NT~·=-S- Drllle;:='N. L.UM A77ot-.,1t-1'-. Data· A.u£:.,. 10, 1-,1 I

LOCATION_....;Ma;.;;;;;., un;;;;.:.=a=l..:;;u;.;:a:.z.,.....;:O;.;:a;;h;;;:u:J,t..·..:H:;;.;a::.;w::.;a::.;i::.i::.-'------· Field ,.,;~·M/>..E."?HIRO. KA.KU .. .<S-""'6~-~ RDTto.lt:.'l .. · . 4 .. ~ b>'

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WALTER LUM ASSOCIATES, INC. II 3030 WAIAJ,AE AVENUE • HONOLULU, HAWAII 96816 • PHONE 737·7931. .~:~ '' .,, ..

Boring Log BORING NO. 4 Sheet N_o. of

PROJECT _ _:.::IW.AMA:.=~:.:......:V:.:A.::LL==E:.:Y:.....:::O.:.F.:.F.::.S.::.IT.::.E;;;...;.;.I;;;,;;MP;;;;;..;;;R.;.;O;..;V..;;;E;_ME;;;;;.;;.;NT~S- .Drill..- W. L.UM A.??X., 1"-iC.. Date AU~. '3 I'J11

LOCATION Mauna1ua, Oahu, Hawaii Field Party GLOR.."i, "T?UI<,A."Z.AKI

· L:u4~"- \.. Ror;..R.i 4-" Tax Map Key_: 3-9- Por. 10, 15 & 18 Typo of Boring (A..Sd<el\ ~10-l Diem._.......;~-----

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H~MER: _oo~rl1~1 ~81~,-~~,~~~·~P:~:A::~~~:o::~~:e:·~~~~=o=~~~~~~~~~A~M~o~~~~--Weight __ l_4-..:._0_1t __ ,;__..;......;......;......_ ........ _...._ ........ _ _...._ - C.Or>.,_INC:!

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WALTER LUM ASSOCIATES, INC. II 3030 WAIALAE AVENUE • HONOLULU, HAWAII 96816. • PHONE 737-7931

E>"l PGE- 6\TE.. ~o. \

Boring Log BORING NO. 5 Sheet No. of ---

PROJECT KALAMA VALLEY OFFSITE IMPROVEMENT%rmer W. \..UM ~>..rno~., UlC.. Dat_e Hov.'l'1,'1"1,; W, 1111

. LOCATION Mauna1ua, Oahu, Hawaii Field Party MAE.'SUIJ::C:.O, ).t!AKI$~ I , MAilE.~ ..--~~~===:;z.-~.:::::.::.L . ...:.:::=.::~=------ . ,b.UG.t:.-R Jf I J>.U:e.R) II '

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HAMMER: Drill Bit 'T.C..; PRJI.[O. i b\P.Ho~P ~n-u:.

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WALTER LUM ASSOCIATES, INC. I 3030 WAIALAE AVENUE • HONOLULU, HAWAII 96816. • PHONE 737-7931

eR.IDG'S 51TE, No. \

BORING NO. (0 Sheet No. of ---Boring Log

PROJECT

LOCATION

KALAMA VALLEY OFF SITE IMPROVEMENTS Drlll•r W. L..Ut-1 A.~., tHL.. Date NOV. '24-. ~ '1J., • ljJ \

Maunalua, Oahu; Hawaii Field Party .MA~~-lll<O, MAii'E.?, ~POVIl.M A\Je::.e:~ I ~E-~) • I

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HAMMER: Drill 811 . 'T.C... D~ e. D\A\-'101-l'D C.O'f!.lNG

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BRIDG>E. 'Slit. No. 1 Boring Log ....,

BORING NO. I Sheet No. of __,..__,..--.-

pRQJECT KALAMA VALLEY OFF SITE IMPROVEMENTS Driller \1\J, L.UM ,A~OC..., IWC.. Date 'OU... I,~ !- 1}. 1'1 J 1 LOCATION __ ,;;.Ma:;,;;.;.;;u;.;;n;.;;a;.;;l;.;;;u;.;;;a;..:.,.....;;.O.;;;a.;;;hu~·,_H~a:;.w;.;..· a:;.i:;.i:;.__.....,.. ___ Field Party HE-'1f..~. ~IRO, MJ!..E/;o\1\T?.O, i~uK.b:z.AKI

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i e,~\DG~ SITe No.1 .Boring Log BORING NO. B Sheet No. of ----

PROJECT KALAMA VALLEY OFFSITE IM]?ROVEMENTSDrlller W. ~U\-1 A-s60~ .• H-IC.. Date Nov,ll'l ; !0, l:U-.1, 1"111

LOCATION -_...._M~a.;;;u,;:n,;:a.;;;;;.l.u;;;;.a,;:·.!.' _o;;...a;;;;h;;;;u;;;..!., ...:H::;a:;.;;~:;.;a:..:i:..:i=--_,...-..,._--.- Field Party H.A.Ul-1 I P-0, A>SA iD, MAITC.G ~(_<;'!..~~~~il-l;.) A 11 £

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WALTER LUM ASSOCIATES, INC. I CIVIL,. STRUCTURAL, SOILS E"t~yiNURS

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In general~ .. s9il format~ons are commonly errati~ •and ·rarely uniform or . .

regular. The boring l~gs indicate the approxiliUlte sqbsurface soil

conditions encountered only .at. the drill holes where the borings,: were ~

made at the times designated on the logs a]ld.may not represent conditions

at other locations.or at other.dates. Soil conditions and watet levels

may change with the passage of time and conljJtruction methods or improve-

menta at the site.

During construction, should subsurface conditions much different from

those in the boJ:,"ings be observed, encountered,. or otherwise indicated,

we should be advised immediately to review or recons~det our recommen-

datio11s in light of the new developments.

If there is a substantial lapse of time between the submission of this

report and the start of work at the site, .or if conditions have changed

· due to natural causes, plan changes,_ or constr~ction' operations at or

adjacent to the site, it is recommended that> this report be reviewed to

determine the applicability of the recommendatic:ms considering the time.

lapse and the changed conditions.

Our professional services were performed, fi~dings obtained and.

recoimnendations prepared in accordance with generally accepted engineering .

practices. This warranty iS in lieu of all o'ther warrant-ies expressed or

implied.

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