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20061 20062 20082 20 (3) r D&M CONSULTING ENGINEERS, INC. Geotechnical/Environmental/Materials Testing A URS CORPORATION COMPANY November 14, 2001 Permits: 20061, 20062, 20082, 20106, Project No.: 0001437 20125, 20129, 20130, 20133, 20135, 20136 Prometheus Real Estate Group, Inc. 350 Bridge Parkway Redwood City, California 94065 ATTENTION: Ms. Christine A. Weaver SUBJECT: Progress Report No. 21 for Construction Observations and Materials Testing (Special Inspection) Services; Lake Biltmore Apartments, 10159 South Blaney Avenue, Cupertino, California Ladies and Gentlemen: As requested, D&M Consulting Engineers, Inc. (dba D&M/Tcrratech) is providing construction observation and materials testing (Special Inspection) services for the subject project. Specific items observed and/or tested for the subject project are presented on our technician's daily field report (attached). These observations and/or tests have been performed as requested, in general accordance with the requirements of the project plans, the project structural test and inspections schedule, and the requirements set forth in the Uniform Building Code. Our services performed during the period of October 26, 2001 through November 8, 2001 are listed below. Laboratory test results are reported under separate cover as the tests are completed. Our services during the identified time period included: • Witness installation of epoxy-set anchor bolts. The work observed during the reporting period was, to the best of our knowledge, in conformance with approved project plans and applicable standards of workmanship at the time of completion. OPEN EXCEPTIONS March 22, 2001- Due to clearance issues, holes for two epoxy-set holdown. bolts were drilled slightly off vertical. The holes broke through the side of the stem wall above the slab. This requires the review of the project engineer. December 18, 2000 — Shear wall, floor and roof diaphragm nailing incomplete. Work was reported to have been reinspected by the city building inspector on or about January 26, 2001. 0001437(50R0412)gr Page I or 2 Copyright 2001 D&M Consulting Engineers,Inc. November 14,2001 3194 De La Cruz Blvd., Suite 19 Santa Clara,California 95054 408 297 6969 Tel 408 297 7716 Fax L • • November 26, 2000 — One epoxy-set anchor bolt had embedment limited to 9 inches due to conflict with reinforcing steel. Project plans indicate 16 inch embedment requirement. This requires engineer's review. LIMITATIONS As our client, please recognize that construction monitoring is a technique employed to reduce the risk of deviations from the approved plans from becoming incorporated into the completed project without appropriate engineering review and approval. Provision of construction monitoring by D&M/Terratech's field personnel is not insurance, nor does it guarantee construction of any type. Even with diligent monitoring, some construction defects may be missed. In all cases, the contractor shall retain sole responsibility for the quality of work, for adhering to plans and specifications and for repairing defects, deficiencies or omissions, regardless of when they arc found. We have performed our services in a manner consistent with the standard of care and skill ordinarily exercised by firms of our type practicing under similar conditions at this same time and locality. However, we do not undertake the guarantee of construction nor production of a completed project conforming to the project plans and specifications. No warranty is expressed or implied. Our services were limited to those documented in our attached reports. We appreciate the opportunity to work with you on this project. If you have any questions concerning our observations or test results, or require additional information, please do not hesitate to contact us at your earliest convenience. Sincerely, D&M CONSULTING ENGINEERS, INC. A URS CORPORATION COMPANY Gregory J. ZP.E. President/Principal Engineer Attachments: daily field report (2 pages) cc: Trident Construction City of Cupertino 0001437(50R0412)gr Page 2 or ? November 14,2001 Cupyrighi 2001 D&M Consulting Engineers,Inc. D&M CONSULTING ENIGMEERS, INC. • Geotechnical/EnvironmentaMaterials Testing A URS CORPORATION COMPANY DATE: "- 'L—�� /i DSA FILE/APPL. NO. PROJECT NO.: /eI 3 7 r OSHPD NO. PROJECT NAME C� /-51L't`�C'_ PERMIT NO. LOCATION:a.,,-,,[, Sr,.�:1 // �_ec /t��r»�zCi NfEATHER: _-----_-- iEIAP _— T, —s.� t-h Jt 'SY:R�SffiRw^w+e.i.twner=.a.+•rvy+g�' ❑ PROOF LOAD ❑ TORQUE ,1K WITNESSING ❑ Testing was performed on the following items. All tests were performed with the following calibrated equipment: RAM: GAGE: TORQUE WRENCH: RAM: GAGE: TORQUE WRENCH: LOCATION OF TEST TYPE/SIZE Ot LOAD It, GAGE PSI e u TESTED TOTAL or Ft Lbs GAGE I ACC. I REJ, RETEST I -,L I i I C n Type epoxy/grout used:�•%����% `h z _ Method of application /cleanln /`<G �«_��_ 715 Visua Inspection was performed on' n �.L-(T�-:,–" e Wit` 3 ❑ Show up/Stand by time. Job Canceled/Delayed due to: ❑ All non-compliance items were brought to the attention of: at the job site. ❑ NON-CO!VIPLIANC E REPORT ATTACHED ❑ ADDITIONAL TESTS TTACI{Elj NOTES: ----/CJ.3.-- - 10 the best of my knowletlg C, the ahoy : WAS WAS NOT performed in accordance with the approved plans, Specitication S. and regulatory requirements. Superintendent/Representative: Inspector: I rirr ir• 6mt�t ....... !i1 t'iri-S.J I' 7hrrndr Un�,a+ if •Jlnrm» t. !�; l.;J.11: 7e!• LIr1.Y: .'. - '7/olidU07i-I • rD_Vj ,-` 74S! FhF4a;M . w JiDN .yup: ,U%Ul lU:J1 r.iA UDU V<u � nLv,vc tt rc lcnJV:v V;,,vu< , Rinne & Peterson sip.,jcrc-,,AL Nf INEEI+ SFGU UO. -- tJ. Jure 5 a I9+ i � I — , I - - ._- - - of 6"t � _ rq m ; I I -- D&M CONSULTING • 3194 0 I;A CRUZ BLVD, SUITE 18 ENGINEERS, INC . SANTA CLARA CA 95054 CONCRETE COMPRESSION TEST REPORT (408) 297-6969 PROJECT NO. : 0001437 RPT TO: PROMETHEUS REAL ESTATE GROUP * PROJECT DETAIL INFORMATION CHRISTINE WEAVER LAKE BILTMORE APTS-24 NEW UNIT 350 BRIDGE PARKWAY 10159 SOUTH BLANEY AVE . REDWOOD CITY CA 94065 CUPERTINO CA PERMIT # : 20061 / APPL # . ________________________ MIX DATA =________----------__------------- Lab Number 7072 Mix number : 1458 Sample date 10/16/01 Size agg : I" Material type CIP CONCRETE COMPRESSION TEST Spec Strength : 3000psi @ 28 Days Supplier RMC Cement factor: 5 . 00 sack Admixture WR ________________________________ SAMPLE DATA =________________________________ Set number : 0002 Slump, ASTM C143 6 . 00in Cast time : 11 : 25am Air temp 68deq F Fld Inspector : FRANK NISHIURA Mix temp 70deg F Ticket/Truck 16128786/ 787 Air content, ASTM C173 Test tech Fresh unit wt, ASTM C138 : pcf Dry unit wt, ASTM C567 pcf PLACEMENT LOCATION : BUILDING 20 FOOTINGS __________________________________ TEST DATA =________________________________ SAMPLE TEST AREA LOAD CORR CURE FRAC COMPRES NO DATE AGE DIMENSIONS (in. ) (sq in) (lbs) FACT TYPE TYPE STR (psi) -------------------------------------------------------------------------------- 00086 H 6 . 00 x 12 . 00 26 . 27 L 00087 10/23/01 7 6 . 00 x 12 . 00 28 . 27 79530 L 2810 00088 11/13/01 28 6 . 00 x 12 . 00 28 . 27 109930 L 3890 00089 11/13/01 28 6. 00 x 12 . 00 28 . 27 112150 L 3970 Avg = 3930 Samples MEET specified 28 - day strength requirement at 28 days . Comments : Samples tested in accordance with ASTM C39 ---------------------------------= LEGEND =___________---------_______________ Curing type : L = lab, F = field Fracture types : A=cone, B=cone and split, C=cone and shear, D=shear, E=columnar cc : PROMETHEUS REAL ESTATE GROUP Respectfully submitted, RMC LONESTAR D&MCE SANTA CLARA DIVISION CITY OF CUPERTINO BLDG. DEPT . *FILE COPY* - ' Gregor —J . , P,,E/ 11/14/01 President D&M CONSULTING • 3194 0 LA CRUZ BLVD, SUITE 18 ENGINEERS, INC. SANTA CLARA CA 95054 CONCRETE COMPRESSION TEST REPORT (408 ) 297-6969 PROJECT NO. : 0001437 RPT TO: PROMETHEUS REAL ESTATE GROUP * PROJECT DETAIL INFORMATION CHRISTINE WEAVER LAKE BILTMORE APTS-24 NEW UNIT 350 BRIDGE PARKWAY 10159 SOUTH BLANEY AVE . REDWOOD CITY CA 94065 CUPERTINO CA PERMIT # : 20062 / APPL # . MIX DATA ------------------- ---------------------------- Lab Number : 7071 Mix number 1458 Sample date : 10/16/01 Size agg 1" Material type : CIP CONCRETE COMPRESSION TEST Spec Strength: 3000psi @ 28 Days Supplier : RMC Cement factor: 5 . 00 sack Admixture : WR SAMPLE DATA ----------- Set number : 0001 Slump, ASTM C143 6. 00in Cast time : 9 : OOam Air temp 65deg F Fld Inspector : FRANK NISHIURA Mix temp 67deg F Ticket/Truck 16128740/ 744 Air content, ASTM C173 Test tech Fresh unit wt, ASTM C138 : pcf Dry unit wt, ASTM C567 pcf PLACEMENT LOCATION : BUILDING 19 FOOTINGS ________________________ TEST DATA =________________________________ SAMPLE TEST AREA LOAD CORR CURE FRAC COMPRES NO DATE AGE DIMENSIONS (in. ) (sq in) (lbs) FACT TYPE TYPE STR (psi) -------------------------------------------------------------------------------- 00090 H 6 . 00 x 12 . 00 28 . 27 L 00091 10/23/01 7 6. 00 x 12 . 00 28 . 27 72150 L 2550 00092 11/13/01 28 6. 00 x 12 . 00 28 . 27 106390 L 3760 00093 11/13/01 28 6 . 00 x 12 . 00 28 . 27 110890 L 3920 Avg = 3840 Samples MEET specified 28 - day strength requirement at 28 days . Comments : Samples tested in accordance with ASTM C39 ---------------------------------= LEGEND =_________------- ------------------- Curing type : L = lab, F = field Fracture types : A=cone, B=cone and split, C=cone and shear, D=shear, E=columnar cc: PROMETHEUS REAL ESTATE GROUP Respectfully submitted, RMC LONESTAR D&NICE SANTA CLARA DIVISION CITY OF CUPERTINO BLDG. DEPT . *FILE COPY* �—Gregory JJ RHPr P 11/14/01 President D&M CONSULTING • 3194 OLA CRUZ BLVD, SUITE 18 ENGINEERS, INC . SANTA CLARA CA 95054 CONCRETE COMPRESSION TEST REPORT (408) 297-6969 PROJECT NO. : 0001437 RPT TO: PROMETHEUS REAL ESTATE GROUP * PROJECT DETAIL INFORMATION CHRISTINE WEAVER LAKE BILTMORE APTS-24 NEW UNIT 350 BRIDGE PARKWAY 10159 SOUTH BLANEY AVE . REDWOOD CITY CA 94065 CUPERTINO CA PERMIT # : 20082/20062 / APPL # __________________ MIX DATA Lab Number : 7074 Mix number : 1438 Sample date 10/24/01 Size agg 1" Material type : CIP CONCRETE COMPRESSION TEST Spec Strength: 2500psi @ 28 Days Supplier : RMC Cement factor: 4 . 50 sack Admixture : WR ________________ SAMPLE DATA Set number 0001 Slump, ASTM C143 3 . 75in Cast time 9 : 15am Air temp 58deg F Fld Inspector FRANK NISHIURA Mix temp 62deg F Ticket/Truck 13108032/ 719 Air content, ASTM C173 Test tech Fresh unit wt, ASTM C138 : pcf Dry unit wt, ASTM C567 pcf PLACEMENT LOCATION : BUILDING JJ PERMIT # 20130 BUILDING MM PERMIT # 20106 SLAB ON GRADE ---------------------------------------------- TEST DATA --------------------------------- SAMPLE TEST AREA LOAD CORR CURE FRAC COMPRES NO DATE AGE DIMENSIONS (in . ) (sq in) (lbs ) FACT TYPE TYPE STR (psi) --------- ---------------- ----------- 00098 H 6 . 00 x 12002827L 00099 10/31/01 7 6 . 00 x 12 . 00 28 . 27 51960 L A 1840 00100 11/21/01 28 6. 00 x 12 . 00 28 . 27 L A 00101 11/21/01 28 6 . 00 x 12 . 00 28 . 27 L A Comments : Samples tested in accordance with ASTM C39 _____------ LEGEND Curing type : L = lab, F = field Fracture types : A=cone, B=cone and split, C=cone and shear, D=shear, E=columnar cc : PROMETHEUS REAL ESTATE GROUP Respectfully submitted, RMC LONESTAR D&MCE SANTA CLARA DIVISION CITY OF CUPERTINO BLDG. DEPT. *FILE COPY* egory J. uf, E. /01/01 President D&M CONSULTING 3194 IOLA CRUZ BLVD, SUITE 18 ENGINEERS, INC. 0 SANTA CLARA CA 95054 CONCRETE COMPRESSION TEST REPORT (408) 297-6969 PROJECT NO. : 0001437 RPT TO: PROMETHEUS REAL ESTATE GROUP * PROJECT DETAIL INFORMATION CHRISTINE WEAVER LAKE BILTMORE APTS-24 NEW UNIT 350 BRIDGE PARKWAY 10159 SOUTH BLANEY AVE . REDWOOD CITY CA 94065 CUPERTINO CA PERMIT # : 20082/20062 / APPL # . __________________________________ MIX DATA ---------------------------------- Lab Number 7073 Mix number 5423 Sample date 10/23/01 Size agg 3/8" Material type : CIP CONCRETE COMPRESSION TEST Spec Strength : 3000psi @ 28 Days Supplier RMC Cement factor : 6. 00 sack Admixture -------------------------------= SAMPLE DATA =______- Set number 0001 Slump, ASTM C143 2 . 50in Cast time 9 : 35am Air temp 67deg F Fld Inspector FRANK NISHIURA Mix temp 67deg F Ticket/Truck 13107932/ 738 Air content, ASTM C173 Test tech Fresh unit wt, ASTM C138 : pcf Dry unit wt, ASTM C567 pcf PLACEMENT LOCATION : 6 CONC COLS BUILDINGS 18 & 19 ___ TEST DATA SAMPLE TEST AREA LOAD CORR CURE FRAC COMPRES NO DATE AGE DIMENSIONS (in . ) (sq in) (lbs) FACT TYPE TYPE STR (psi) ------ --------------------------------------- - 00094 H 6 . 00 x 12 . 00 28 . 27 L 00095 10/30/01 7 6. 00 x 12 . 00 28 . 27 64530 L A 2280 00096 11/20/01 28 6 . 00 x 12 . 00 28 . 27 L A 00097 11/20/01 28 6. 00 x 12 . 00 28 . 27 L A Comments : Samples tested in accordance with ASTM C39 ------ ____________________________________ --------- ----------- Curing type : L = lab, F = field Fracture types : A=r_one, B=cone and split, C=cone and shear, D=shear, E=columnar cc: PROMETHEUS REAL ESTATE GROUP Respectfully submitted, RMC LONESTAR D&MCE SANTA CLARA DIVISION CITY OF CUPERTINO BLDG. DEPT . *FILE COPY* G goryJ. Ruf, P. E . 11/Ol/O1 President