Ayres Knowledge Center Scour Evaluation: Bridges with Unknown Foundations | Page 40

SCOUR EVALUATION – PHASE 3 / OFFICE REVIEW REPORT 5. SCOUR IMPACT ASSESSMENT FOR STRUCTURAL STABILITY BASCULE PIER - [53] 18" SQUARE a.* Foundation Type PRESTRESSED CONCRETE PILES (PILE GROUP) 88.3 FT b.* Reported Design / Constructed Embedment 69.7 FT c.* Estimated Embedment After Scour * Condition(s) reported for is (were) based on the BASCULE PIER 17 (1-W per PLANS) PHASE 2 SCOUR EVALUATION REPORT 6. ITEMS EVALUATED ■ Material Scourability: b. ■ Pile Compression Capacity: c. ■ Pile Response to Lateral Loads: d. ■ Do results of analysis indicate foundation instability? a. BASED ON BORING LOG, GEOTECHNICAL ASSESSMENT AND PHASE 2 SCOUR EVALUATION REPORT BASED ON FB-DEEP BASED ON FB-MULTIPIER (VERSION 4.17) Yes (Phase 4 Recommended) 4/25/2013 FINAL Supplementary Report ■ Page 12 of 12 No 62-0144.00 BRIDGE NO 794004 Page SR-37