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/ --- \:; ' (J ? 1' 3 () \f-0 FINAL COMPACTION REPORT WAIPUALANI SUBDIVISION LOTS 1 TO 67 KAHALUU, OAHU, HAWAII W.O. 979-20 JULY 12, 1982 Prepared for: RICHARD M. SATO & ASSOCIATES ©[ !D) JUL 12 \982 RICHARD M. SATO & ASSOC., INC GEOLABS-HAWAII 2006 KALIHI STREET HONOLULU, HAWAII -<"f\11D·J I . \4 J I h \-i ., s

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Page 1: scholarspace.manoa.hawaii.edu...A summary of the compaction test results are also attached. During the grading period, the on-site soil ~as tested prior to being used in the fill~

/

---\:; '

~~

(J ? 1' ~ 3 () \f-0

FINAL COMPACTION REPORT

WAIPUALANI SUBDIVISION

LOTS 1 TO 67

KAHALUU, OAHU, HAWAII

W.O. 979-20 JULY 12, 1982

Prepared for:

RICHARD M. SATO & ASSOCIATES

~ ~ ©[ n"~ !D) JUL 12 \982

RICHARD M. SATO & ASSOC., INC

GEOLABS-HAWAII

2006 KALIHI STREET

HONOLULU, HAWAII

-<"f\11D·J I . \4 J

I h ~· \-i ., ~0 s

Page 2: scholarspace.manoa.hawaii.edu...A summary of the compaction test results are also attached. During the grading period, the on-site soil ~as tested prior to being used in the fill~

I I I I I I I I I I I I I I I I I I I

CW ASSOCIATES. INC. dba:

GEOL A B S- :H: .A "W .A. I I Geology Soils and Foundatio'n Engineering

2006 Kalihi Street • Honolulu, Hawaii 96B19

Richard M. Sato & Associates 2 0 6 5 S • King Street , S u~ t e 3 0 6 Hbnolulu~ Hawaii 96814

Attehti6rt: Mt. D~niel Miyasato

Subject: Final Compa~tion Report Waipualani Subdivision L6ts 1 to 67 Kahaluu, Oahu, Hawaii

Gentlemen:

July 9, 1982 w.o. 979-20

• (BOB) B41,-$064

Ftom July 8, 1981 to May 17~ 1982, we ha~e petiodic~lly inspected the earthwork and grading operations performed by Okada Trucking at the above referenced project. This report summarizes ou~ inspection and compaction tests p~rformed at the subject lots.

The grading operations consisted of cuts and fills generally less than 10 to 20 feet. The soils encountered at the cut pad fini~hed grade generally consisted of brown and mottled reddish brown clayey $ilt which, according to our field observations and laboratory testing, could provide adequate support for the proposed single family residences.

However, during site grading, expansive clay soil was also noted. near the finished grade level in cut Lots 4, 5 and 6. It was gray in c9lbt and appeared to be concentrated within a strip about 20 feet wide, southeast (matJka) of Road "A" • Isolated pockets of tbe gray clay were also .noted in some of the other cut lots and eXcavated fill material but they did not appear to be as extensive as Lots 4, 5 and 6. Additional expansive soil pockets may be located at the final grades durin~ the time of individual lot regrading artd residential construction, therefore, a soils engineer's service (inspection and consultation) would be reqtJir~d.

Page 3: scholarspace.manoa.hawaii.edu...A summary of the compaction test results are also attached. During the grading period, the on-site soil ~as tested prior to being used in the fill~

I I I I I I I I I I I I I I I I I I I

w.o. 979-20' 7 ... 9 .. 82 Page 2

The existing soil has a high natural moisture content of about 55 to 65%. Laboratory swell tests indic~te tbat the soils will generally exibit low swell potential at this ~oisture content. How~vet, if allow~d to dty, the soil could become highly expansive. A copy of the laboratory swell test results is att~cbed for your reference.

It is our understanding that the lot.s will be sold "as is" and that the developer had decided to let the ~ndividual lot buyers bandl~ the expensive clay either by over-excavation and replace­ment or special foundation desig~. It should be noted that the clay soil condition ~ay still ex.ist in the lots, therefore, each purchaser should be advised to hire their own soils engineer to check the design and construction of any planned development~

During the fill placement operatjons, periodic field density tests-were done in accordance with the American Society for Testing Materials (ASTM) Test Designation D-1556 (Sand Cone Method). It is our opinion that the fill lots have been com­pacted adequately. A summary of the compaction test results are also attached.

During the grading period, the on-site soil ~as tested prior to being used in the fill~ The maximum soil density and optimum moisture tontent was established in our laboratory in accor­dance with ASTM D-1557 test designation, and the results are as follows:

Type

on: .. Site Material Hl

H2

#3

Soil Description

Brown Clayey Silt

Brown Clayey Silt with weathered gravel

Brown Clayey Silt with weathered gravel

GEOLABS•HAWAII

Maximum Density

(pcf)

86.0

88.0

89.0

Optimum Moisture . t% j -

34.5

30.0

33.0

Page 4: scholarspace.manoa.hawaii.edu...A summary of the compaction test results are also attached. During the grading period, the on-site soil ~as tested prior to being used in the fill~

I I I I I I I I I I I I I I I I I I I

w.o. 979-20 7.,.9-82

House Foundations

Page 3

RECOMMENDATIONS

·To m~nimize the effects of slope creep and erosion, slab-s should be set back away from the tops of slopes a minimum distatice of 6 feet. Also, post footings located close to the tops of slope5 shoUld be embedded a suf£icient depth to obtain a minimum horizontal set-back distance of 6 feet from the slope face. Post footings, 4 feet or more ~way from the tops of tb~ slopes, should be placed a minimum of 12 inches below the level finish grade.

Slab-on-grade should be placed over a 4-inch l~yer of capillary­break cushion fill (13 fine aggregate is recommefided). The thickened edge ar6und the slab-on~grade should extend downward a QJinimum of 12 inc.hes below the adjacent ground surface.

The subg~ade should b~ kept moist artd protected from drying prior to concrete placement. Subgrade should be compacted to a minimum of 85% of its maximum dry· dens~ ty.

Site Gtadifig

Subsequent to completion of lot grading, utility trenches withifi the lot pad should be properly backfill.ed afid tompatted under the observations of a soils engineer.

This office assumes no responsibility for any alteratiofis made to slopes or pads on the subject lots subsequent to the is5uance of this report without our knowledge and written approval•

Should you have any questions concerning the above contents, please feel free to contact us.

Respectfully submitted,

C.W. ASSOCIATES INC. dba GEOLABS•HAWAII

By QQP ~(hvv~~{~-Clay~ns. M1mur~.E.

BYKW: CSM: cw

Enclosure: Summary of Density Tests (5) Summary of One-Inch Ring Swell Tests (1) Site Plan (1)

GEOLABS-HAWAII

Page 5: scholarspace.manoa.hawaii.edu...A summary of the compaction test results are also attached. During the grading period, the on-site soil ~as tested prior to being used in the fill~

-- . W • 0 ~ -- N-0 ~ 9'79-20 --- -OWN-ER SUMMARY OF DENSITY TESTS OKADA TRUCKING CO.

i~lNTROL OF COMPACt EO FILL PAGE 1 --·_oF·--s -- __ -~-08 _ WAIPUALANI SUBDIVISION.

ELEV. s MAX. TEST EST DATE TEST w ...JDC: >-

NO. LOCATION FT. caMP. DRY DRY . .... REMARKS ...J~ ><>-,.....

I REQ'D DENSITY _..,~ DENSITY ~O:V1 ..... - cz P.C.F. 0 P.C.F. . LU

:E ~ c ..

II 7~15,..81 Lot 48 153 85 86 39.0 74.6 86.7 Pass -2 II II 52 1S3 II II 41.9 73.8 85.8 II

l II " 49 ~53 II " 38.1 74.8 87.0 "

I; 7-20-81 " 51 ~59_ II " 34.0 77.6 90.0 II - - ~- - ··--·-··- -·-- ~- - --

II " 47 152 II II 37.0 72.2 84.5 " J• ---- - . - --- -

II " 49 ~51 " II 4~.0 81.5 94.7 II

~ 7-~2.,.81 " 50 ~58.7

,, " 28.2 80.6 90.0 " ------ ------ -·· -- ----- ------ - --- ·- --. - ------

-. ---- ----

7-,23-81 " 47 ~58.5 II " 30.1 80.3 93.4 II

I 7..,.24..,.81 II 53 ~55.0 ii " 29.2 80.4 93.5 " -- - .. --- - ·--

~0 II II 54 ~57 .o II " 28.5 8~.2 95.6 "

t7-2S}-81 " 54 56.5 il " 26.1 77.2 89.8 II. 1 ------

ll} -- " "· 51 55.5 " " 30.2 74.4 86.5 " 13 t7-31-81 " 54 59 " " 28~0 84.2 98.0 "

--4 " " 49 54 " " 31.0 74.5 87.0 " .. --- -- --- .. - -------

Js II " 50 62 " " 40.0 98.2 100+ " -----· . - ---- ------ .. -

16 " il 46 53.5 " " 30.0 74.2 86.0 " (7

-. --. -- --- ·-

" " so 62 " " 40.0 75.3 87.5 " ' '

'8 ~-10-81 il 51 156 " 88 27.0 80.4 91.3 Pass ---- ... -- -- - - --- --- . - -- ---- -- --- ··- --

19 " " 53 157 " " 29.8 78.5 89.1 " -· ----- -- --·- ---- --------- - --- -- --- ..... . ._ -- '""" ---.---.

Fail'; see 0 s-14-81 " 46 154 " " 42.85 68.6 78.0 #24 ---------- . --

..

1 II " 54 157 II " 25.0 82.1 93.0 Pass

- 2 " " 52 157 " " 27.0 80.9 91.9 " - .

13

-··- -- --- ----

" " 48 lSS " " 25.0 78.8 89.5 " ---- '

I GEOLABS-HAWAII

Page 6: scholarspace.manoa.hawaii.edu...A summary of the compaction test results are also attached. During the grading period, the on-site soil ~as tested prior to being used in the fill~

SUMMARY OF DENSITY TESTS W.O. NO~ 979.,20 OWNER OKAnA TRHC.KTNC: · r.o

~pNtROL OF_ COMPACTED __ F I_LL PAGE 2 OF·. 5 --JOB ·wAIPUALANI_ .SUBI:UVlSION -- ··--- ..

EST DATE TEST ELEV. I MAX. "' TEST D' > I NO. LOCATION FT. COMP. DRY ...lj: DRY . .... REMARKS ...1 -_ ><>1-f REQ'D DENSITY .-..cnll.rt DENSITY -~ex: en u.. ..... cz

P.C.F. i P.C.F. . . LIJ lloll c

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

Pass; Retes 14 8-:J4-8_1 Lot 46 .. 154 85 88 29.0 83.9 95.3 #20 .. -- . .. - - ----- . -

t: 8-18-81 II 47 157 II II 31.1 78.2 92.1 II . ---

... - .Fail; see II II 52 159 II II 26.7 74.0 84.0 #27

17 Pass; Retest 8'-21-81 II 52 159 II II 34.7 78~2 88.8 #26

28 II II 52 159 II II 31-.l 81.3 92.3 Pass ----- . -- - . - .. -· --- -- . - - ... - --. ·---- -

19 --- -···-

8-24-81 II 66 158 II II 44.0 76.0 86.0 II

'0 8-26-81 II so 159 II II 44.8 72.8 82.7 Fail; see

#35

rt: It II 66 159 II II 35.8 75.1 85.3 Pass

. . .. ---- ------ - .. - - ------ . - ..

1! II 65 159 II i1 36.6 75.0 85.2 II

13 8-27-81 II 49 157 .II II 43.0 78.9 89.6 II

8-28-81 II 47 158 II II 48.0 77.9 8S.o II 34

• __ ,.. ------- .. --- -- -- -- --- ----· ----- ---

Pass; Retest II .II 50 159 II ,., 40.0 74.9 85.0 #30

.... - .. Fail; see

t6 8-31-81 II 65 160 II II 43.0 53.0 61.0 #37 ... . -· Pass; Retest

37 II II 65 160 II II 47.56 77.8 88.0 #36 ----. ... ---- - --·- ... . ..

ts II i1 63 160 II n 49.6 77-.3 87.8 Pass -· ---- --- -- ·- "'- ..

39 9 .. 1-81 II 48 159 II II 38.5 75.2 85.4 II

..

'Lo II II 46 159 II II 41.4 79.13 89.9 II

..

r-1 9-3-81 II 51 161 II II 37.5 80.0 90.1 II

.. •..

42 II II 53 161 II II 31.8 85.9 97.6 II

-- . -- ---- . --- ..

1143 9-4-81 II 66 164.5 II II 49.7 71.6 81.4 Fail; see #45 FajJ; see

144 II II 64 161.7~ II II 45.4 70.8 80.4 #46

45 9-8-81 66 164 II 30.04 78 .. 9 88.9 Pass; Retest

II II #43 .. - --- - - --- - Pass;· Retest

II - II . 64 161 II II 33.9 79.9 9Q.7 #44 ----- -. .. -

I GEOLABS-HAWAII

Page 7: scholarspace.manoa.hawaii.edu...A summary of the compaction test results are also attached. During the grading period, the on-site soil ~as tested prior to being used in the fill~

-- -~ - ·- - .. -- ·-- . -- . --- ------ .. '

1 SUMMARY OF DENSITY TESTS W.O. ~0. 979--20 OWNER OKADA TRUCKTNf.-ro·· . t ~NTROL OF . COMPACTED_ fl.LL_ _PAGE 3 OF JOB

-s WAIPUALANI SUBDIVISION -· --- --

I EST -. ·-

DATE TEST ELEV. s MAX. ..., tEST >-c: NO. ·LOCATION FT. caMPi DRY :H~ DRY ...... REMARKS ><>-

I. REQ.'D DENSiiY - "'lt4t DENSITY -~a:: V) u.- cz P.C.F. i P.C.F. LIJ

lt4t c ....

17 9-8-81 Lot 46 161 85 88 37.5 75.1 85!3. Pal?~ ... -----~

48 " " 47 161 " " 41.0-. 76.6 87.0 " -··

L -. -- ..... -- - -- "

Fail; see ~-9-81 " 50 162 " " 55.4 69.0 79.0 #50

--· -· .. --- ---- ----- · Pass; ·Retest

IO ~-10-81 " 50 162 " ,,

29.6 81.2 92.3 #49

• .. ---- - - --- . --- . - . -- - - ----- .. . --

51 9-11-81 " 54 165 " " 49.5 79.9 ' 90.8 Pass

rt2 Fail; see

" " 48 - 1~ .. 2 ,.,

II _QQ.O 7~.0 81.8 #53 - . -- ------ ·pa.ss; Retest

~3 ~-14-81 " 48 162 " " 43.9 79.5 90.4 #52 -. - .

-- --- ------- ----

54 " " 46 .1,61 " li 43.7 76~4 86_~~ P~ss

lis 9-15-81 " 66 165 " II 43.34 75.3 85.7 II - . --- -- -- - . ·-·- - ---- ... --- -------.. ,. ---- --- --- -· ··Fail;see

~ 6 " il 94 165 II II 44.25 69.3 78.7 #57 --- - - -- --- --- ---

17 Pass; Retest

" " 64 1,65 II II 41.5 77.1 87.0 #56 . --- - .

~8 Road "A" Station FaU; see

II 100+00 165 ,, II 36.7 74.4 84.6 #59 -- . . ... - -- .

.Pass;· Retest

~ 9-16-81 II 165 II II 35.3 94.0 90.0 #58

-- -- -

II Lot 12 '116 II II 39.34 85.1' 96.0 Pass

11 II II 9 115 " '

II 4~.6 82.9 94.2 II

Fail; see 62 9-17-81 II 52 167 II II 56.19 64.0 72.7 #78

I~ - ... -- .. ---· -- --··· -- ...•.. -- --- ..

-- -

II II 1 1.70 Jl II 43.42 75.5 85.8 Pass . -

~: " II 3 170 " " 44.0 76.2 86.6 " . -

----- - .. - .. -- -· ".

II II 13 117 " II 49.56 82.8 94.1 "

16 ---- -F~il; see 9-21-81 li 66 l67 II " 54.3!) 6l.O 69.0 #68 ----

. - - ...

•: " " 66 167 II " 50.0 64.0 73.0 " il

--- - ------ ...

9-22:-81 .11 66 167 II II 47.4 73.8 84 .. 0 Pass w/ Add. Rnllinu

19 II II 53_ l63 II II 37.8. 84.5 96.0 Pass '' .. - ----- -- ----

I GEOLABS-HAWAil

Page 8: scholarspace.manoa.hawaii.edu...A summary of the compaction test results are also attached. During the grading period, the on-site soil ~as tested prior to being used in the fill~

- -· ---- . . W.O. NO. 979;;.~0 OWNER OKADA TRUCKING CO. SUMMARY OF DENSiTY TESTS ffNTRQL OF CQMPACTED FILL PAGE 4 OF 5 J-OB . WAIPUALANI SUBDIVlSrdN

- . - --· .. --·· --- ...

1EST DATE TEST ELEV. I MAX. L&.l TEST ~~ >-

NO. LOCATION FT. COMP. DRY DRY .. 1- REMARKS ...... ><>--

I REQ'D DENSITY . Men li-t DENSITY CCC::Vl

P.C.F. u.i P.C.F. ::ECZ L&J

li-t 0 .. .. .. -··

-·-

Fail; see lo . 9-22-8 Lot 2 171 85 88 52.2 68.3 77.6 #71 - ---- ... -· .. ---··· -- --

71 II II 2 171 II II 41.3 77.8 88.4 Pass

12- . --. - ..

Fail;· see 9-23-81 Lot 12 & 13 117 II II 33.9 63.8 72.5 #75

.3 II .II 14 117.1 ,, II 46.8 62.5 71.0 II II

-~4 ~-24-81 " 15 117.1 II II 40.2 65.3 74.2 Fail; see

rls - ··- ... lt76

Fail; see II " . 12 & 13 . 117 II II 42.4 10.4 80.0 #79

.. ·-

~6 II II 15 117.1 II " 39.5 74.7 84.9 Pass w/Add.

I Roll inu

77 II II 9 116 II II 33.0 75.3 85.6 Pass

Js ------ . . . . . --- --- ·-· --- ---- ---- ... . .. --- --- ---- - - ··-

'Pass; ·Retest 9-25-81 II 52 167 II II - 46.4 78.1 88.8 #62 .-

Pass; Retest

1 9 9-29-81 II 10 12~ II " 38.7 76.5 87.0 #72, 75

----·. --- --- ..

0 II II 13 121 II II 40.0 58.0 66.0 Fail; see #82

... --- - -- -· ------ ... ----- --- ... -- --- - ----

Jl_ 9-30...:81 " 65 170 .II ,, 50.4 67.8 77.0 II II

.. - -. -·- -- ---Pass; Retest

2 II II 13 121 II II 51.3 75.6 85 •. 9 #80

~ ----- -· . - -- - -- -- --.-.---

3 0-1-81 II 65 170 II II 35.4 77.0 87.6 Pass ... -- -- .. .. ..

~4-II II 13 & 14 123 II II 57.9 69.3 78.8 Fail; see

.. -- ----- ---. #87 Fail; see

ri: 0-6-81 II 9 125 II II 62.1 59.5 67.6 #86

h 0-7-81 :pa:ss; Retest

" 9 125 II il 47.8 76.6 87.0 #85 •· ... - -·

i?ass; Retest

~: II II 13 & 14 123 II II 45.8 75.;4 85.7 #84 J - .. ..

~o...:8-8I II 10 126 II II 43.7 79.4 90. Pass . - -- ... 19- ,, II 14 126 II II 46.9 78.3 89. II

I

-: 0..-15-81 II 9 129.4 II II 40.6 79.4 89.7 " - I

.. , II 9 129.C " ·" 45.2 80.3 90.7 " --- Fail; see t2 .0-20-81 " 9 130.( " " 32.1 72.0 81,9 #93 --

I GEOLABS-HAWAII

Page 9: scholarspace.manoa.hawaii.edu...A summary of the compaction test results are also attached. During the grading period, the on-site soil ~as tested prior to being used in the fill~

-

SUMMARY OF DENSITY T£STS W.O. NO. 979-:-2Q ·--- 0 WN.E R OKADA TRUCKING co. .ONTROL OF COMPACTED FILL PAGE s OF 5 JOB WAIPUALANI SUBDIVISION I

-· - - ..... - ------ . --- - ....... -

EST DATE TEST. ELEV. s MAX. .... ~ TEST >-NO. LOCATXON· FT. COMP. .DRY DRY . ..... REMARKS ....i3 ><>--

I REQ'D DENSITY -- "'~ DENSITY ~O:V) LL.~ cz:

P.C.F. i P.c.F. LIJ ~ c

--- -- ·--- .. ------ . ---

13 Pass; Retest 10-20-8 . Lot 9 11.30* 85 88 35.9 84.2 __ 95 • .7 Jt92. ----- Fail; see

94 12-8-81 II 13 ~19 ._!) __ - II II 42.9 66.0 75 #~7

Is ·-- ---· - ---- ----- - - ·- -- .. --- --------. -- . _________ _. . - .

12-9-81 II ~0 23.4 " 89 . 31.3 78.2 87.9 Pass ·--

Fa:l.1; see ~6 II II 12 29.0 " II 44.9 67.1 75.4 #102

• - --IPail; see

97 II II 13 19.5 ti " 45.3 63.4 71.2 #100

l8 12..-15-8 II 10 22.5 II ti 47.8 62.6 70.3 Fail; see #100

- ..... - .. - --- . ------ -- -- -- ---- . - -- ---- -· -

19 II II 10 22.5 II .II 53.6 62.1 69.8 " II

Pass w/ Add. 100 ~2-16-81 II 10 22.5 II II .42.1 75.3 84.6 ~glling - ---- ------. - .. - ... ----- -

(o1

-

11.2-17-81 it i1 26.0 II ,, 35.1 75.1 84.4 II II

------ --. . - -·· ·Pass; Retest

~ 02-3-8-82 II 12 29.0 II II ~3.) 77.7 87.3 #96

--- --- --. - --

03 4-12-82 II 12 31.0 " II 32.0 78.5 88;2 Pass -- ----- - . -~- ---

--·

.04 __ II II 17 39.0 II " 31.4 77.5 87.1 "

. --- --.--- --. -·-- -· ------ - -- -

105 4-27-82 ft 11 F.G. " " 33.4 78.2 87.9 "

lo6 -- . -- --- --- -- - -·· ···- ------- -- -.- ·-.

4-~0-82 II 12 II II " 34.1 79.5 89.4 II

-- - .

107 II " 14 " " " 32.1 80.3 90.3 " - -- -----

108 " " 15 " " II. 33.1 78.7 88.4 ti

(og ----- --. --·rl -- ------- -----

" " 13 II II II 31.4 81.8 91.9 II .. - - --------

- --· -. --- -

I I

I

II I I

I ! I

·- --- . ----. -·- --· - - .

--- --- ""T --

II I - -- -

I * FINISH GRADE GEOLABS-HAWAI I

Page 10: scholarspace.manoa.hawaii.edu...A summary of the compaction test results are also attached. During the grading period, the on-site soil ~as tested prior to being used in the fill~

I - ;\ \

I SUH~lARY_QJ P_!{j:_-INCH RING SWELL Tf:STS

WAIPUALANI SUBDIVISION ----------------------

I Initial .Air Dried Final Soil Dry Moisture Moisture fo.loisture Ring

. Location Depth !)escription Density .Content <:;o.nte]}t CQntent S~ell

I (Feet) (pcf) (%) - C%r ·· (%) (%)

Lot 5 Surface Gray Clay 64.8 55.6 15.7 . 94.5 21.4 (remol cied) (7-day) -

I " S1,1rface " " 62.9 55;6 41.6 58.8 3.3

I (i day)

" Surface " " 64 •. 4 55.6 37.4 56.3 5.8 (2 day)

·I Lot 6 Surface Gray Clay 59.5 67.5 (no air dry) 71.4 1.2 (natural)

I " Surface " " 64.2 67.5 46.0 59.3 3.7 (1 day)

I " Surface " " 63.6 67.5 37.0 S6.S 3.9

" Surface Mottled Gray 59.2 64.1 (no air dry) 67.2 0.2

I and .Brov-11 (natural)

I " Surface " ,, 59.3 64.1 55.2 66.1 2.2

(1 day)

" Surface " ... 57.5 64.1 48.0 66.5 3.5

I (2-day)

" Surface Gray Clay 71.~ 44.7 (no air dry) 60.2 10.2 ......._,

I (remolded)

,, Surface " " 69.3 36.2 (no air dry) 64.2 17.0 -I

-------------~--~-~-----I.

I ...

l\'.0. 979-20 JA.'·.WARY 1982

I I I GEOLABS-HAWAII

Page 11: scholarspace.manoa.hawaii.edu...A summary of the compaction test results are also attached. During the grading period, the on-site soil ~as tested prior to being used in the fill~

,.i

i -,)' / ,

/ .,.,

. ..)', ,.., . ./' ,.., ........ ;.,/""

o-·,. E!'.lcr. 1\t:L •Y1_;,

) l'l, [) F f "1 C: : \J ~: r: F ! ~It;

4f~e;~c,. /

RICHARD M. SATO & AssociATEs. INC .• 2~JL!s k~G s~ RO~o3f.~o'JlZuLu. HAWAII 96826 • PHONE 955·4441

July 13, 1982

Construction Section Division of Engineering Department of Public Works City & County of Honolulu 650 South King Street Honolulu, Hawaii 96813

Attention: Mr. John Lee

Subject: Waipualani Subdivision Kahaluu, Oahu, Hawaii TMK: 4~7-32: 17

Based upon on-site inspection on June 25, 1982, we certify that the Grading Work was done in accordance with the approved grading plans.

Should you have any qlJestions, please do not hesitate to call.

Very truly yours,

RICHARD M. SATO & ASSOCIATES, INC.

/MHA'4-• 1yas~:~

DSM/cf

tc: Okada Trucking Co., Ltd. Ken Uyeda

CONSULTING ENGINEERS o CIVIL & STRUCTURAL ASSOCIATES. DAVID M. YAMAMOTO. DANIELS. MIYASATO

Page 12: scholarspace.manoa.hawaii.edu...A summary of the compaction test results are also attached. During the grading period, the on-site soil ~as tested prior to being used in the fill~

, _ __,.-...-j ~.

.·' \

\

RICHARD M. SATO & ASSOCIATES, INC. • 2065 S. KING ST. RM. 303 • HONOLULU, HAWAII 96826 • PHONE 955-4441

July 13, 1982

Construction Section Department of Public Works City & County of Hono 1 ul u 650 South King Street Honolulu, Hawaii 96813

Attention: Mr. John .Lee

Subject: Waipualani Subdivision Kahaluu, Oahu, Hawaii IMK: 4-7-32:17

Transmitted herewith in accordance with the Grading Ordinance, is one set of Final Compaction Repor.:t prepared by Geolabs,..Hawaii, dated July 12, 1982.

This concludes the grading reqyi rements for the subject project. We trust that this meets with your approval.

Should you have any questions, please do not hesitate to call.

Very truly yours,

Daniel S.

DSM/ct

Enclosure •t'

cc: Okada Trucking Co., Ltd. Ken Uyeda

CONSULTING ENGINEERS o CIVIL & STRUCTURAL ASSOCIATES DAVID M YAMAMOTO. DANIELS MIYASATO

Page 13: scholarspace.manoa.hawaii.edu...A summary of the compaction test results are also attached. During the grading period, the on-site soil ~as tested prior to being used in the fill~

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Page 14: scholarspace.manoa.hawaii.edu...A summary of the compaction test results are also attached. During the grading period, the on-site soil ~as tested prior to being used in the fill~

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GENERAL LAYOUT BY RICHARD M.

a · HYDRAULIC SATO a ASSOCI-

JUNE 1981.

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Page 15: scholarspace.manoa.hawaii.edu...A summary of the compaction test results are also attached. During the grading period, the on-site soil ~as tested prior to being used in the fill~

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