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CONCRETE <br />2EE SLOES <br />3). <br />e <br />IS DAMAGED, CLEAN SURFACE, AND PROVIDE A `~~ fd GO,, <br />DOWELS INTO NEW CONG REPAIR STEEL - c.~ EO `~ <br />COLUMN MEMBERS AND BASE PLATES AS <br />SPECIFIED IN SECT. 1/S-3. ~ ~ ~ P ~ 1471,6 w <br />FOUNDATION PLAN 'rFOF ~o <br />Scale : 1/4 = 1'-0" <br />HELICA! SCREW PILE INDICATED THUS INDICATES MINIMUM SERVICE LOAD <br />REQUIREMENT FOR HELICAL SCREW <br />T~T•,~ PILE, DEAD LOAD PLUS LIVE LOAO (kips) <br />l0 <br />9~ <br />GENERAL NOTES <br />REINFORCED CONCRETE <br />o, Structural concrete shat! have o minimum 28 day compressive strength of 3000 psi Type 1. <br />b, Reinforcing bons shall conform to ASTM Specification A615-79 and shall be Grade 60 <br />c, At splices, lop bars 36 diameters. At corners and intersections, make horirontal bars continuous or <br />provide matching corner bas. <br />STRUCTURAL STEEL <br />a. Structural steel rolled shapes, including plates and angles shall be ASTM A36. Tube shapes shat! conform <br />fo ASTM A500 Grade B., 46 ksi yield. <br />b, All bolts, including anchor bolts, shall conform to ASTM Specification A307. <br />G Expansion bolts called for on the drawings shot! be "WEG-IT", 'RED HEAD; or opprored wedge type, with <br />the following minimum embedmenis: 5/8" diameter bolts -2; 1/2" diameter bolts - 1-i/2~ <br />d, All welding shall 6e done by a certified welder. <br />e, All exposed structural steel shall be pointed in accordance with Twentym8e Mine Requirements. <br />TiYENTYMILE COAL COMPANY <br />RUN OF MINE COAL BELT - TOI-ER BASE REPAIR <br />RWTI COUNTY, COL(MADO <br />STUDERENGINEERING SHEET <br />11712rx STREET, P.G. BOX 773501 s - 1 <br />S7F.AhtEOATSPRINGS,C0 80477 <br />(970) 819.1181, FAX (970) 879.3660 1 OF 4 <br />