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January 3, 2025 <br />HWA Project No. 2021-159-21 <br />Geotechnical Engineering Report 29 HWA GEOSCIENCES INC. <br />Port Gardner Storage Facility <br />Table 2. Required Ultimate Axial Pile Capacity – Proposed Pile-Supported Areas <br />Area - Structure <br />Pile Cap <br />Elevation <br />(feet)1 <br />Tip <br />Elevation <br />(feet)1,4 <br />Pile <br />Length <br />(feet) <br />Pile <br />Diameter <br />(inches)5 <br />Required <br />Ultimate Axial <br />Capacity <br />(kips) <br />Static Seismic <br />Area 10 – CS Vault <br />10-01 8 -25 33 8 902 55 <br />Area 15 – CS <br />Manhole 15-01 -3 -50 47 8 902 55 <br />Area 15 – CS <br />Manhole 20-01 -2 -22 20 8 902 55 <br />Area 20 – CS Debris <br />Removal 4 -20 24 8 902 55 <br />Area 20 – CS Debris <br />Removal Pipe <br />Support <br />-1 -22 21 8 902 55 <br />Area 30 - CS Vault <br />30-01 -5 -25 20 18 450 400 <br />Area 30 - Valve <br />Vault (Primary <br />Storage, P-30-17 and <br />18) <br />9 -30 39 18 450 400 <br />Area 40 – SW <br />Treatment System 8 -46 54 18 450 400 <br />Area 40 – SW <br />Treatment System 8 -62 70 18 450 400 <br />Area 40 – SW <br />Diversion Structure 9 -39 48 8 902 55 <br />Area 40 – SW <br />Diversion Structure <br />Pipelines <br />5 to -1 -39 38 to 34 18 300 250