07120156 SIGNET
Testing Labs, Inc.
i -
February 18,2011
FlawM
COPY TO:
CUPERTINO BLDG INSP DEPT
10300 TORRE AVENUE
CUPERTINO, CA 95014
PROJECT: 46225652 VILLA SERRA APARTMENTS BLDG 76
20800 HOMESTEAD ROAD x
CUPERTINO, CA 95014
PERMIT NO: 07120156
CONTRACT NO:
SUBJECT: WEEKLY SUMMARY OF SPECIAL INSPECTIONS&TESTING
Special inspections were performed for the above referenced project. The inspections were performed as described
in the attached report(s)as of week ending 02/11/2011.
SPECIAL INSPECTION REPORTS
02/09/11:WITNESS DOWEL/ANCHOR INSTALLAT 02/10/11:CONCRETE SAMPLING ONLY
CTR REPORTS
01/11/11: CIP CONCRETE COMPRESSION TEST
The work completed or in progress for this report is in accordance with the approved plans,specifications,and/or
any approved change orders. This is a progress report of our special inspections&testing. A final report will be
issued upon request at the completion of the special inspection/testing requirements provided that all outstanding
issues have been resolved and/or corrected.
Respectfully submitted,
Signet Testing Laboratories,Inc.
Michael Everson
Division Manager
TO: PROMETHEUS REAL ESTATE GROUP I CC: CUPERTINO BLDG INSP DEPT
CC: 'FILE COPY
3121 DIABLO AVENUE HAYWARD,CA 94545 MAIN:(510)887-8484 FAX:(510)783-4295
SIGNET
Testing Labs, Inc.
DATE: �, (C) DSA FILEIAPPL.NO. n n n n n n n
PROJECT N0. ' ? ` Y�S Z - OSHPD N0.
PROJECT: 0 t l�� �r-�- PERMIT NO. Ute ) Z`d
LOCATION: 20 C7(}� �AtM1L'���s�e� XJP WEATHER: TEMP:
REBAR-+ ❑ TENDON ❑ TENDON STRESSING
Inspected the placement of REINFORCINGS-TEEL/TENDONS/AB'S/HD'S/TIE DOWNS for the following location:
^-__--
❑ Observed post-tensioning operations, measured and recorded elongations of tendons for the following location:
CONCRETEIP ❑ Pc ❑ PT ❑ SHOTCRETE ❑ NS GROUT
❑ Inspected the batch plant operations. Batch Plant/Location:
Observed placement of CONCRETE/SHOTCRETE/NON-SHRINK GROUT at the following location:
❑ Cast f set(s)of compressive strength samples. Mix# 't��S�L-1 Total cu. yds. placed
Slump(s): %Air: Unit wt(s):
❑ Show up/Stand by time. Job Canceled/Delayed due to:
❑ All non-compliance items were brought to the attention of: at the job site.
NOTES:
To the best of my knowledge, the above WAS/WAS NOT performed in accordance with the approved plans, specifications, and regulatory requirements.
❑ Except As Noted
Superintendent/Representative: Inspector/Technician:
v
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3121 Diablo Avenue 1417 No.Market Blvd. #1 520 Mercantile Dr' e#A 1320 Simpson Circ "�le 0 Metropan Dr. #205
Hayward CA 94545 Sacramento CA 95834 Cotati CA 94931 Anaheim, CA 92806 San Diego CA 92108
(510)887-8484 (916)568-5858 (707)665-3950 (714)399-1500 (619)682-3820
�S I G NE T SIGNET TESTING LABS,INC
-Testing Labs, Inc. 3121 DIABLO AVENUE
HAYWARD,CA 94545
PHONE(510)887-8484
FAX(510)783-4295
CONCRETE COMPRESSION TEST REPORT
PROJECT NO.: 46225652 PERMIT#: 07120156
PROJECT: VILLA SERRA APARTMENTS BLDG 76 APPL#:
LOCATION: 20800 HOMESTEAD ROAD File No:
CUPERTINO,CA 95014
MIX DATA
Lab Number 109029 Aggregate Size 1.00
Material Type 3111-CIP CONCRETE COMPRESSION TEST Cement factor 6.50
Supplier STAR Spec Strength 3000 psi at 28 Days
Admixture WR Spec.Slump
Mix number F6534WRP Spec.Air Content
SAMPLE DATA(ASTM C31)
Set number 1 of 1 Slump(ASTM C143) 4.00
Sample Date 01/11/2011 9:59 am Ambient Temperature 52
Fid Inspector ROBERT BIGFORD Sample Temperature(ASTM C1064) 67
Ticket 235349 Air content(ASTM C1 731C231)
Truck 76 Unit Weight Fresh(ASTM C138)
Placement Location: BLDG.#76 NEW STAIR FOUNDATIONS ON THE WEST SIDE OF THE BLDG.
Comments:
TEST DATA(ASTM C39)
SAMPLE TEST AGE DIMESIONS(in.) AREA LOAD CORR CURE FRACTURE TYPE COMPRESS
NO DATE (sq in) (Ibs) FACT TYPE STR(psi)
1 01/18 07 6.00 x 12.00 28.27 59250 1.00 LAB 4-SHEAR 2,100
2 02/08 28 6.00 x 12.00 28.27 135500 1.00 LAB 4-SHEAR 4,790
3 02/08 28 6.00 x 12.00 28.27 138750 1.00 LAB 4-SHEAR 4,910
Average 28 day Compressive Strength: 4,850
4 H
MATERIAL 21 WAS ❑ WAS NOT SAMPLED IN ACCORDANCE WITH THE APPROVED PROJECT DOCUMENTS.
MATERIAL 0 MEETS ❑ DOES NOT MEET THE APPROVED PROJECT DOCUMENTS.
RESPECTFULLY SUBMITTED,
SIGNET TESTING LABS,INC
4��
02/14/11
Concrete Lab Manager Date