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January 3, 2025 <br />HWA Project No. 2021-159-21 <br />Geotechnical Engineering Report 32 HWA GEOSCIENCES INC. <br />Port Gardner Storage Facility <br />Area - Structure <br />Pile Cap <br />Elevation <br />(feet)1 <br />Tip <br />Elevation <br />(feet)1 <br />Pile <br />Length <br />(feet) <br />Pile <br />Diameter <br />(inches)3 <br />Down Drag <br />Loading <br />(kips)4 <br />Seismic <br />Area 20 – CS Debris <br />Removal Pipe Support -1 -22 21 8 5 <br />Area 30 - CS Vault 30-01 -5 -25 20 18 40 <br />Area 30 - Valve Vault <br />(Primary Storage, P-30-17 <br />and 18) <br />9 -30 39 18 30 <br />Area 40 – SW Treatment <br />System 8 -46 54 18 50 <br />Area 40 – SW Treatment <br />System 8 -62 70 18 50 <br />Area 40 – SW Diversion <br />Structure 9 -39 48 8 25 <br />Area 40 – SW Diversion <br />Structure Pipelines 5 to -1 -39 38 to 34 18 30 <br />Area 40 – SWVT-40-01 -1 -25 24 8 13 <br />Area 46 – CSMH-46-02 <br />01,CSMH 46-02, pipe <br />south of LS46 (P-46-19), <br />SWVT-46-06 <br />1 to -6 -25 26 to 19 18 10 <br />Area 46 – CSVT-46-04 <br />and CSVT-46-05 8 -25 33 18 10 <br />Area 60 – Effluent Pump <br />Station2 12 -76 88 18 190 <br />Area 60 – Effluent Pump <br />Station -7 -76 69 18 145 <br />Area 60 – Effluent Pump <br />Station North Pipe Tower 3 -76 79 18 210