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Edgewater Creek Bridge Replacement November 2023 139 Table 2.1. B: Unfactored Service Lateral Loads (per bearing) 1 Substructure Wind (kips) Wind on Live (kips) Centrifugal Force (kips) Braking Force (kips) Abutments 8.25 2.45 0.0 0.28 2 Expansion, contraction and imposed rotations as shown on the plans or in 3 the table below (creep and shrinkage shall be taken as zero unless noted 4 below): 5 6 Table 2.1. C: Expansion/Contraction and Imposed Rotations (per bearing) 7 Substructure Thermal Expansion & Contraction Dead Load Rotation (rad) Live Load Rotation (rad) Displacement (in) Max. Force (kips) Abutments ± 1.1 14 0.000 0.006 8 Lateral force-deflection characteristics as shown in Table 2.1.D (pre-9 approved suppliers): 10 11 Table 2.1. D: Force Deflection Characteristics (per bearing) 12 Substructure Test Displacement (inches) Keff (kip/in) EDC (kip-in) Abutments ± 10.1 8.5 800 13 Materials 14 A. Steel reinforcing plates shall, as a minimum, conform to ASTM A1011 15 Grade 36. Minimum reinforcing plate thickness shall be 11 ga. 16 B. Internal or external load plates shall, as a minimum, conform to ASTM 17 A1011, Grade 36. 18 C. The purity of lead shall be established from a sample of lead used in the 19 isolators and shall demonstrate a minimum of 99.9% purity. 20 D. All elastomer in the bearings shall be a minimum of Grade 3 Natural 21 Rubber. 22 E. Results showing performance within the stated parameters shall be 23 provided for each elastomer formulation used in the isolators. Tests 24 performed within the previous 12 months are acceptable for the 25 following tests: 26 a) Compression Set (ASTM D395) at 70°C for 22 hours: 27 Maximum permissible set = 40% 28 b) Bond Strength (ASTM D429, Method B): 29 Minimum bond strength = 40lb/in, 100% rubber tear 30 c) Heat Resistance (ASTM D573) at 70°C for 7 days: 31 Maximum permissible change in tensile strength = -25% 32 Maximum permissible change in ultimate elongation = -25% 33 Maximum permissible change in durometer hardness = +10% 34 d) Ozone Resistance (ASTM D1149) 35 Representative strips of material shall be prepared in accordance 36 with ASTM D1149, Method B1. The tests shall be performed at a 37 concentration of 50±5 parts per hundred million, at 20% strain after 38