HomeMy WebLinkAboutCT 73-18; RANCHO DEL PONDEROSA UNIT 4; COMPACTION TEST RESULT; 1977-03-14·I!on<.l~rosu 1l01l~CS, eCorpo rtl'lcd
(I r()J cc L No '. 77-105-8 F
,March 14, 1977
Fill was placed, compac ted arid tested on £111 and <;:ut":'fill Lo t's 241
'through 249, 252 through '259, 262 through 265, 268, 271, 277 t:hrough
289, 294'; 295, 296 and 3)1 through 318. The grading operation
essentially consisted of the removal and recompaction of alluvial or
loose surface, soil's on Lots 241 through 248, 253 through ,257, 262
through 265; 268, 277 through 283, 2,85 through 289, 294, 295, 296 and
3,13 through 318. Alluvial soil was 110texcavated from the area of Lot'
252, a pro'posed park site, and this lot' was raised approximately 2.5
above design grades wi~h compac:'ted and tested fill.
~ the site gra9.ing progressed, the compac tion 'procedures were obs'e-rv~d,
and field density tests were made to determine the relative compaction
of the fill in plac'e,. Field observations and field density test results'
indicate that t;he fill has been compacted to 90 pe~cent or more of
maximlllll labo,ratory density. The approximate locations of field density
tests and the limits of compacted fill have been recorded on a copy of
the grading plan for reference. The ,results of fiel~ density tests and
of relative compaction, expressed as a percent of maximlllll laboratory
density, are given on the attached forms.
Laboratory t'ests to determine moisture-density relationships, maxim'Urn
dry density" optimum moisture content, grain size distribution,
plasticity charac ter istics, and strength and swell charac t~ristics were
performed on re,presentative samples of the material used for fill. The
results of laboratory tests are given on the attached forms.
FINISH GRADE SOIL CONDITIONS
Fill Lots
Laboratory tests and visual inspection indicate that nonexpansive fill
was placed within 2 feet of rough g'rade on all, fill and cut .... fill Ip,ts
no ted herein.
A visual inspection of cut and the cut portion of cut-f.ill Lots 239,
2'40, 241, 250; 251, 253, 260, 261, 262, 265, 266, 267, 268, 269 'through
277, 289 through '293, 295 through 311, 318, 3'19 and 32'0 at completion o:f
grading, indicates that potentially expansive soil is not evident at
rough grade'surface.
•
WOPDWARD7ClYDE CONSULTANTS
Po nd ClYOfHl 1I0mM! Aw orpo rn t('(1
ProJ ec t No. 77-1~8F
Milrch 1L" 1977
FOUNDATION RECOMMENDATIONS ALL LOTS
(l) Foundations for single or two-story residential struc tures
pla.ced on nonexpansive undisturbed soil or nonexpansive' .properly
compacted fill may be designed for bearing pressures' of 2,000 and 4,000
psf (dead plus live loads) at· a depth of 12 inches belo~ c'ompacted fiJI
or undisturbed cut lot grade, respective-1-y. Soil bearing pressures of
2,500 and 5,000 psf are recommended for fill and undisturbed natural
sands·tone, respectively, at a depth of 18 inches. Footings sho\lld have
a minimum width of '12 in-c·hes. These pressures may be increased b-y one-
third for loads that incl'ude wind or seismic forces.
(2) Structures that will .not to.lerate· differential settlements
(such as ··foundations,. swimming pools, concrete decks, walls, etc.)
shol,lld not be· located within 5 feet of the top of a ·slope. -Footings
located closer' than 5 feet. from the to.p of a slope shQuld be extended in
depth until the outer bottom edge of the footing is.5 feet hOrizontally
from the outside face of'the slope'. .
LHUTATIONS
Except for Lot .252, the elevations o.f compaction tests shown as finished
grade (FG) tests correspond to the elevations shown on the grading plans
for "Garlsb-ad Tract 73-18 (Rancho Del Ponderosa) Unit No.4," dated July
22, 1976, prepared byR::L<;k Engineering Company, San Diego,_ CalifQrnia.
Elevations and locations shown in this report are based on field surveys
established by others. •
This report covers the fill placed under our observation during the
dates specified herein. Additional fill pl.aced a.fter these dates" as
well as the backfill in utility trenches. located within 5 feet of a
building and greater than 12 inches deep, or any trench 5 feet or more'
from a building and in excess of 5 feet in depth, should -be 'compacted
. under the observation of this office and tested to aSS"llre compliance
with the earthwork specifications for the project. This office should-
be contacted at least 24 hours prior to backfilling operations. Utility
service trenches within 5 feet of a building that are perpendicular to
, the building ,footings and are less than 12 inches wide and less than 2
feet deep are not subj ect to this recommendation.
WOODWARD·CLYDE CONSULTANTS
i I
1 l.
Pontleros:r 11011100, eorpor.'IlLeJ
project No. 77-105-HF
March 14, 1977
The inspections 0"£ foundatio,n preparation, types of materials .nnd soU
placement. and compaction, as well as tests of compaction made during' the
period of our I'ervices on the subject site, were in ,accordance wJth the
, local acceptable standards for this period. The conclusions or opinions
drawn from the' tests and sit~ inspections apply only to our work with
-res.pect to' grading, and represent conditions at the date of our .final
inspection. '
We will accept no -responsibility for any subsequent chang'es made to the
site. by others, or by uncontrolled ac,tion of water, or 'by failure of
o.thers to properly repair damages caused by uncontrolled action of
water.
Richard P. While, R. E.21992
JLH/ RPW / EKP / Um
Attachments
(2) Ponderosa Hom'es -Irvine
'(4) Ponderosa Homes -San'Diego, .Atte~tion: Sheila Allen
•
WOODWARD·CLYDE CONSULTANTS
PLASTICITY CHARACTERISTICS
Liquid Limit, %
Piasticity'l ndox, %
NP
150 , 1\
1\ 1\ ZERO AIR VOIDS CURVES
\ 1\ \ 2.80 SG
H-ttrt \\=\--2.70 SG
t-HI\t---\:i, =\:\~i\'---2.60 SG
140 t-t--tr-~\t.\---2.50 SG \ 1\ , \
\ \ [\
1\ !\ ' \.
-17 ·-~-\I\ '
130 I-. V \ \1\.
\:" \
Maximum Dry
Density, pcf
Optimum Moisture
Content, %
\~\ \ \
15 16 17
117.5 121 01131.0'.
12.5 12.5 .. 9.0
I I MOISTURE CONTENT, %
sr1
10 20 30
LABORATORY COMPACTION TEST
~!
f' SILT & CLAY
100 '" ..
\\ 16 -,..-\\ II 1-
15 ~'..'
];
~. a:
~ t--
~ ·20
I o
1000
I
100
I I I I I
10 1.0 0.1
GRAIN SIZE, mm
MECHANICAL ANAL YSIS
--=:::
0.01 0.001
--------.----------~~--~--~~--~
DIRECT SHEAR TEST DATA 16
Dry Density, .:.....pc.:...f ____ --I __ -+-..!..:l O~9~f-_.:...j
Initial Water Content, % 1 ~~~-~-~~~~--~
Final Water Content, % 15 ~~~-----I----+-~~-4f--4
Apparent'Cohesion, pst 570 ~~~--~--4-~~----4
Apparent Friction Angle, degrees 20
SWELL TEST DATA
• Initial E>ry Density, I5cf ~~------.~----~--~---~
Initial Water Content, % ~~~---~----4----4----4
. Final Dry Density, pef ~~-------+---+----+---I
. Final Water Content, % ~~~~--+~--+----4-~
~~?_ad~,~ps~f ___________ -+ ____ +-__ -+ __ ~I
Swell, percent:...-. _______ --L._......:..I-_~ _ ___'
. SAMPLE LOCATION
15 Lot 314 Fill Area
,16 Lot 391 ·Fil1 Area
17 LaDue1a Ln Opp Lot 208
40 LABORATORY COMPACTION
TEST METHOD: ASTMD 1557-70 A
FILL SUITABILITY TESTS
RANCHO DEL PONDEROSA UNIT 3, 4, AND 5
DRAWN BY: mrk I CHECKED ~Yr"f"1 PROJECT NO:7?_?111F. T DATE: 3-1-77 I FIGURE NO:
WOODWARD·Cl YDe CONSULTANTS
• e:OMPACIION TEST RESULie
@
JO. NAME RANCHO DEL PONDEROSA UNIT 4 DATE REPORTI!:O
r~/\HCII. 14
J08 NUMBER 77-105-8F
CATES COVERED JAN 21 -FEB 2 PAGE: 1 .0 I!" 1
MOISTURIE I'IEL.D LA.ORATORY .. IE ..... TIVIE
R!'TIE.T L.OCATION EL.ItVATION CONTENT DIEN.IT'( DIEN.ITV COMt"ACTIDN
DATE nST ';' Or" 'U.S. DENS.
NUMIliItR Or" OI'TItBT ~ DR'(WT. I>CI' !'Cl' -------
JAN 21 JACARANDA AVE: --S-l Opp LOT 316 138'" 11 .7 110.0 . 121.0 91. 0
S-2 OPP LOT 317 .1421 . 10.5 115.3 1-21 :0 95.3
JAN'24 EL RASfRO LANE: -.--S-3 OPP LOT 287 156 1 9.9 110.7 121.0 9l.4
S-4 OPP LOT 264 160 I 10.5 112.2 121.0 92.7
JAN 26 EL RASTRO LANE: --S-5 OPP LOT 280 170 I . 15.6 110.2 116.5 94.7
S-6. OPP LOT 278 174.' 12.3 106.3 116.5 91. 6
S-7 OPP LOT 280 1741 13.0 • 104.9 115.0 92.2
SOMBORSA STREET:
S-8 OPP L.OT 256 1721 11. 1 106.9 115.0 93.0
S-9 OPP LOT 255 1771 11.7 105.1· 115.0 91. 5
S-10 . OPP . LOT 254. 181 1 11. 7 104.2 115.0 90.6
JAN 28 SQt'1BROSA STREET: --S-l1 184 1 12.3 110.2 116.0 95.1 .Opp· LOT 257
S-12 OPP .LOT 253 191 1 13.6 108.1 116.0 93.3
JAN 31 LA SELVA WAY: --S-13 182 1 11.7 1 Q·7. 3 115.0' OPP LOT 246 93 .• 4
S-14 . OPP LOT 246 187 1 14.:3 105.2 1.15.0 91. 5
S-15 OPP LOT 244 197 1 13.6 10418 115.0 91.0
S-16 OPP LOT 246 190 1 . 11 .7 106.6 115.0 92.5
LOS PINOS CIRCLE:
S-17 OPP LOT .260 166 1 13.0 11 O. 3 . 117.5 94.0
FEB 2 LOS PINOS CIRCLE: ---S-18 OPP LOT 259 174' 13.0 11 0.1 11 7".5 93.8
S-19 STA 29+00 180 1 1'3.0 111.0 117.5 94.5
S-20 'STA 28+10 "91 1 1'3.0 107.0 116.0 92'.3
eCOMPAC"fIOI·..J 'rES, RESUL •
(j)
...)
JOB NAME RANCHO DE PONDEROSA UNIT 4 DATE REPORTED '~~ARCI:I 14
Jo. NUM.rm 77-105-8F
DATU COVERED JAN 21 -JAN 26 PAGE: 1 OF .5
MO'STUIIK P"KLO LA.OR·ATORY IIKLATIVI:
nST IIItTItST LOCAT'ON ELEVATION C::ONTItNT DItNS'TY D'1=N.'TY CONrACTION OATil 'lit DIlYWT. rep' rep. fl. Or' ~D. DEN_. NUM.ltft OP' OP'TEST --
JAN·21 1 LOT 316 134 1 9.9 112.8 122.0 92.4 --2 317 138' . '1.0.5 . 113.0 122.0 92.7
3 315 138' 11. 1 114.0 122.0 93.4
4· . 316 ·142 ' .. 11. 1 114.2' 122.0 93.6
5 314 1421 10.5 114.3 122.0 93.7
dAN 24 6 LOT 295, 140 1 10.5 113.3 122.0 93.0 --7 -294 145' 11.7 113.0 122.0 92.6
8 . 287 148 1 13.0 109 .. 2 . 121.0 90.4
9 287 153 1 11. 7 109.7 121.0 90.7
10 288 158' 10.5 11 0.:3 121. 0 91.3
11 28'6 158 1 11 .1 109.9' « 121. 0 90.8
12 289 162' 12.3 '. 108.9 121. 0 ·90.0
13 287 162 1 11 .7 110.0 121. 0 91. 0
14 285 162' 1 L 1 110.0 121.0 91.0
15 288 166' 11. 1 109.2 ,12·1'.0 90.3
JAN 25 . 16 LOT 286 . 166 1 10.5 112.2 121.0 92.S' --17 284 164 1 11 . '1 109.8 121'.Q 90.7
18 263 160' 11 .1 111. 3 121.0 92.0
19 ,'264 165' 10.5 111.0 121 .0 9l. 7
2.0 262 165' 11. l 110.3 121.0 91. 2
21 281 162' 11.7 111.0 121.0 91.8
22 283' 163' 10.5 112.8 121.0 93.1
23 284 167' 9.9-112.'0 121. 0 92.-S
JAN 26 24 LOT 282 167' --10.'5 112.1 121 .. 0 92.6
25 280 167' 1.1'.1 113,8 121.0 94.0
26 279 171 ' 9.9 113.8 121. 0 94.0
27 281 171' 10.5 112.7 121.0 93.0
28 278 175 ' 11. 1 11 0.0 118.5 92.8
29 280 175' 10.5 110.0 118.5 92.8
30 279 178' 10.5 ' 112.7 118.5 95.0
31 256 166' 11. 1 111. 2 121. 0 92.0
32 257 171' 11 .1 110.9 121. 0 91. 6
... e:OMPACTION T~ST RESUL1'e ®
JOB NAME RANCHQ DEL PONDEROSA UNIr NO. 4 DATE REPORTIl:C MM~CH 14
,JOB NUM81!:R 77-105'-8F
OATES COVERED ,JAN 27 -,3'1 PAGE 2 01" 5
MOlaTUIIIC .. tItLD LAaOIl ... TOIIY IIICLATtVII:
DATI: naT IIItTEST ' LOCATION ELEVAT'ON CONTENT DENSITY DENnTY .COM,.AcTION
NUM.':" OP' OI"TIt.T 'Mo DIIY·WT. I/'CI" PC,' % 0" LA •• DEN •• ---
JAN 27 33 LOT 255 171 .0' 9.9 113,. 1 121.0 93.5
34 LOT 258 175.0' 11.1 112.6 117.5 95.7
35 LOT 256 175.0 1 10.5 113.7 117.5 96.6
36 LOT 259 179.0' 9.9 113.3 117.5 96.4
37 LOT 257 1'79.0' 11 .1 110.3 117.5 J 93.8
38 LOT 255 179.0' ' 11 .1 111. 5 117 .. 5 93.9
39 LOT 254 183.0' 13.0 105.9 115.0 92.1
40 LOT 256 183'.0' 13.6 104:2 115.0 90.6
JAN 28 41 LOT 258 183.0 ' 11. 7 . 106.5 117.5 90.6
42 LOT 257 185.0' , 12.3 107.6 117.5 91. 5
43 LOT 255 186.0 ' 1'2.3 108.7 117.5 92.5
44 LOT 253 187.01 13 :6 109.0 118.5· 92.0
191 .0' 14.3 • 45 LOT. 254 107.0 118.5 90.3
46. ' LOT 271 194.0' ,13.0 108.5 118.5 91. 5
47 LOT 256 'FG , 89 .1' 1'3.0 110.6 117.5 94.0
48 LOT.246 172.0 ' 11.7 106.7 117.5 90.7
JAN 31 49 LOT 246 176,0' 13.6 104.5 115.0 91.0
50 .LOT 247 180'.0 ' .11. 7 . 106.0 115.0 92. 1
51 LOT 245 185.0' . 13.0 106.0 115.0 92.1
, 52 LOT 244 190.0'. 12.3 ·105.2 115.0 91.5
53 LOT 246 190.0' 12.3 105'.9 115.0 92.1
,54 LOT 248 194.0' 12;3 106.0 115.0 92.2
55 LOT 245 19.4.0' 14.·3 104.9 115.0 91.2
56 LOT 243 198.0 ' 13.0 -106.0 115.0 g2.2
57 . LOT 242 202.0' 12.3 . 107.2 117.5 91.3
58 . .LOT 244 FG 200.6' 13.0 107.0 117,5 91.0
59 LOT 248 197.0' 11 .7 109.2 117.5 93.0
60 '. LOT 243 FG 204.1' 12 :3 107.2 117.5· 91.3
~ • _COMPACTION TES'r RESULe ~
JOB NAMIt DATil: REPCmTll:O M/\I<CH 14
RJ\NCHO DEL PONDEROS/\ lJN~T NO. ~,
JOB NUMBER 7.7-10S-8F
DATES COVER EO PAGE: 3 0,.. 5 FEB 1-3
MOI.TUft. "II!:L.D &.A.OltATO"Y IIIE&.ATIVIE
DATil: 'I'1ItaT ftIl:TII:.T, 1.0CATIOH EL.!;VATIOH CONT.NT DIEN.ITY OIl:N.ITY' COMPACTIOH
HUMaEIt 01' 01' TCST '110 DIIYWT. PCI' PC" % 0,. &.A •• DENa. ---... -------
FEB 1 61 ,LOT 241 206'.0 I 13.0 105.7 115.0 91.9
62 LOT 241 209.0' ' 13.0 107.8 115.0' 93.7
63 LOT 268,' 175.0' 12.3 1.06.0 115.0 92.3
64 LOT 268 ,180.0 ' '11 .7 105.0 ' 116.5 90.0
65 LOT 268 184.0' II .1 105.9 116.5 90.9 , 66 LOT 277' FG 182.9' 12.3 108.5 : 116.5 93.2
67 'LOT 311 FG 146,1' 12.3 106.2 116.5 91.3
68 LOT 312 ' FG 146.6 1 11 .7 106.0 , 115.0 92.3
FEB .2 69 LOT .313 FG 147.11 '11 .7 i11.5 116.5 95.7
70 LOT 314 FG 147.5' '13.6 106.9 ,116.5 91.7
71 LOT 315 FG 147.'9 I 11. 7 108.5 116.5 93.2
72 LOT 316 FG 148.11 12.3 "'107.7 116.5 92.4
73 LOr 317 FG 148.0' 11 .7 106.5 115.0 92.6 74 LOT 318 FG 147'.21 13.0 105.9 115.0 92.0
75 LOT 296 FG 147.8 1 13.0 105.0 1) 5.0 91.4 76 LOr 295 FG 148.21 13.0 106.9 115.0 92.9
77 LOT 294 FG 148.0' 11 .7 108.7 115.0 94.'4 78 LOT 289 FG 166.6' 14.3' 105.0 115.0 91.4
FEB 3 79 ' LOT,288 FG 167.2 13.6 105.5 "'5.6 91.6
80 LOT 287 FG 167.8 13.6 104.8 115.0 91.0
81 LOT 286 FG 168.4 13.0 ' 105.7 115.0 91. 9 82 LOT 285 FG 169.0 14.9 105.0 115.0 91.0 83 LOT 284 FG 169.7 13.0 . 108.2 115.0 !J4.1 84 'LOT 283 FG 171. 1 13.0 105.3 115.0' 91.5
85 LOT 282 FG 173.6 13.0 105.5 115.0 91.6
86 LOT 281 FG 176.4 12.3 106.1 115,0 90.5
87 LOT 280 FG 178.5 12'.3 ' 1-08 . .0 15.0 91.8
88 LOT 279 FG,178.7 11 .7 108.1 ]15.0 91.9
,.
.. .;11-e:OMPACT10N TEST RE'SUL • @
Joe NAMe: RANCHO DEL PONDEROSA ~NIT NO., 4 D_A-re: REPO'H'Ii:D ' I~ARCH 14
Joe NUMBER 77-1 05-8F
OA,ns COVERED FEB 14-15 PAGE: 4 0" 5
NO'.TUIU' ' P'11tL.D L.Aa6"ATO"Y "CL.ATIYC
DATI: TIItsT "I:TE.T L.OCATION EL.EVATION CONTENT DENSITY OItN •• TY COM .. ACTION
NUM.it" 01' Ol'TItST ~ D"YWT, PCI' PC" % 01' L.A., D~N •• ---'
FEB 14 89 LOT 278 FG 181. l' '13.0 107.8 117.5 91.6
90 LOT 268 FG 186,.-5 I 12.3 107.9 117.5 91. 7
91 LOT 262 FG 167.2' 12:.3 106.5 115.0 92.-5
92 LOT 263 FG 167.7 ' 15.6 104.9 115.0 91.3
93 LOT 264 FG 168.4 ' JT.7 107.2 115.0 93.3
,94 LOr 265 : FG 169.1 I 13.0 105.4 115.0 91 .5
95 LOT 259 FG 186.6 ' 13.6 '104.8 115.0 91.2
96 LOT 258 FG 186.9 ' 12.3 106.3 115.0 92.5
97 LOT 257 FG. 187.6 11. 7 105.0 ·115.0 91.1
98 LOT 256 FG-189.1 11 .1 107.0 115.0 93.2
99 LOT ,25'5 FG 191.0 1.1 .7 104.2 115.0 90.6
100 LOT 254 FG 193.3 11. 7 105. 1 115.0 91.5
101 LOT 253 FG 194.5 13.0 'J06.1 115.0 92.4
102 LOT-271 FG 198.2 12,.3 105.5 115.0 94, 7
103 ,LOr 248 FG 199.2 12.3 106.9-115.0 92.9
104 LOT 247 'FG 196.0 13 .0 104.3 115.9 90.7
'FEB 15 105 LOT 246 FG 193.1 13.6 104.6 115.0 90.9
106 LOT 245 FG 197.1 .11.7 106.2 116.0 91.6
107 LOT 242 FG 207.7 13.6 ' 104.8 116.0 90.2
108 LOT 241 FG211.2 13.0 105.4 116.0 90.9
•
-=OMPACTION T~Sl' RESULT.
RANCI~ DEL PONDEROSA UNIT NO. 4 DATE.REPORtED r~arch H, 1977
J08 NUM!SER 77-105-8F
OATIS COVI!:REO PAGE 5 01" 5 FEB 24
MOI.TUIII: P'IELD !:.A.OIIATORY .. "LATIVIt
DA.TII: ,...T IIETII:.T LOCATION ELEVATION CONTENT DEN.ITY DEN.ITY COMI'''CTION
NUMa"" OP' OP'TIt8T '110 IlRYWT. I'CP' I'CI' ''/0 OP' LAS. DEN •• ---------
PiEB 24 109 LOT 252 189 I. 12.3 107.7 116,.5 92.4
110 LOT 252 19"5 I 13 .0 106.1 116.5 91.1'
111 LOT 249 FG 201 .21 13.0 106.5 116.5 91 .4
112 LOT 252 FG 207.5' 11 .7 . 107.9 116.5 92.6
113 LOT 252 FG 192.5. 11 .7 107.0 11.6 . 5 . 91 . 8
•
•