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Report (27)
4100 6975 SW SANDBURG ST#160 • • TIGARD, OR 97223 STRUCTURAL,GLC (971)371-1958 SPECIAL INSPECTION—FINAL SUMMARY LETTER December 11, 2018 Mr. Mark Van Domelen City of Tigard, Building Department 13125 SW Hall Blvd. Tigard, OR 97223 RE: Watson Residence Underpinning 13367 SW Shore Dr. Tigard, OR 97223 Permit#MST2018-00296 Dear Mr. Van Domelen: This letter certifies that we have performed special inspection of the referenced project, in accordance with Chapter 17 of the International Building Code, Special inspection has been performed on (4) push piers, as shown on the permit documents. On November 3, 2018, a representative of i.e. Structural observed the installation of (2) Foundation Supportwork Incorporated model PP288T push piers, as shown on structural drawings. All push piers reached or exceeded the specified installation pressure and the minimum penetration depth specified on structural drawings. Load testing was performed on piers(1)and(2)in accordance with ASTM method D1143 (Quick Method), and passed the creep acceptance criteria. i.e. Structural has reviewed the installation logs of the remaining piers and confirmed them to be acceptable. Special inspections have been provided to meet the requirements of the building code and do not constitute a guarantee of the installed work. It is the responsibility of the contractor to execute the work in accordance with the structural drawings, If you have any questions or need further information, please call me. Sincerely, xA .. am 7 26 Dennis Nguyen Inspector WOO . ;k ,441 r 2 I RESIDENCE: Watson i.e. PROJECT ADDRESS: 13367 SW SHORE DR.TIGARD,OR 97223 INSPECTOR:DN ' CONTRACTOR: TERRAFIRMA FOUNDATION SYSTEMS DATE: 12/3/18 MIMI PERMIT#: JOB#S101-560 Push Pier Installation Log Pier# Part Description Segment p Length(ft) Installation Pressure(psi) Depth PP288T Push Pier Lead 4' y(Jcy 4 Extension 3 / 0 UCJ 7 i5 I `'M'e10 ' f`,v 13 1 ii (UO I/ 19 22 4j `/O6 25 S3 //rev 28 31 3 ' /" 0 34 9' / 37 40 43 46 49 52 55 58 61 PP288T Push Pier Lead 4' 7 d 0 4 Extension 3' BOG 7 3' c>o 10 , �� 13 6/2 16 ffe 19 � U 22 7', /aG� 25 � , �0 6 28 3lad�� 31 i 34 0° 37 10 43 46 49 52 55 58 61 Remarks: `/ (W,•• L . Non-Compliant Items: n// A Inspector Signature: ( u�m RESIDENCE: Watson l► PROJECT ADDRESS: 13367 SW SHORE DR.TIGARD,OR 97223 INSPECTOR:DN e CONTRACTOR: TERRAFIRMA FOUNDATION SYSTEMS DATE: 12/3/18 SISSINI PERMIT#: JOB#S101-560 Push Pier Load Test Log Test#: ' �� Duration(min): Creep(in): Test Date: -1 1 0.0 (J' Pier#: I 2 0.0 0 6 Test Pressure(psi):I3 'o 3 0.0 Of Design Load(Lb): 9-7 au 4 0.0 06iJ 5 0.0 ( 6 0.0 ©i 10 0.0 0 15 20 30 40 50 60 Test#: Duration(min): Creep(in): Test Date: /1---/-3 1 0.0 (f Pier#: 2__ 2 0.0 ed Test Pressure(psi): /,t'ei 3 0.0 0 Ci Design Load(Lb): 97®c; 4 0.0 e/v 5 0.0 6 0.0 P/1 10 0.0 d / 15 20 30 40 50 60 Remarks: ri Pat Non-Compliant Items: t' 7i Inspector Signature: d....- 1.----....\\-d...