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Special Inspection Report - 24211 88th PL W Edmonds - 01.pdfCASH TECHNIC M.CARP**%--0P'0 A SERVICES Engineering Special Inspection Report Address: 2421188th PL W, Edmonds J*74tCHAEL c� VdASf�, h � �.� 50570,,,;�, Report Date: 3/8/2017 1 Dear Client, As requested, as the engineer of record, we have conducted an engineering special inspection. All installed helical piers were installed as per engineering specifications (piers 1-12). Optional piers #13 and #14 were not installed as per that option; lift of pier #12 and # 7 are limited to 1/4" and 1/16" respectively. Our detailed logs are enclosed. Regards, Cash M. Carr PE. 360-301-5671 2 Special Inspection Log Required Torque: 2500 ft-Ibs Special Inspection Pile Log Instalation Instlation Hydrolic Torque ft- Pier # Pressure psi Ibs Pile Depth ft 1 1500 5239 9.5 2 1000 3493 6 3 1000 3493 6 4 750 2619 6 5 1000 3493 6 6 1750 6112 8.5 7 1850 6461 9 8 2000 6985 6 9 1000 3493 6.5 10 1600 5588 6.5 11 1200 4192 8.5 12 900 3144 6.5 Hydraulic pressure to torque conversion PSI Ft-Ibs Conversion Factor 500 1746 3.492 1000 3493 3.493 1500 5239 3.492666667 2000 6985 3.4925 2500 8732 3.4928 3000 10478 3.492666667 3