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5 of 23 <br /> GENERAL NOTES <br /> STRUCTURAL STEEL <br /> 1, REFERENCE STANDARDS: DESIGN, FABRICATION AND ERECTION ARE TO BE IN ACCORDANCE WITH THE LATEST <br /> EDITION OF THE AISC"CODE OF STANDARD PRACTICE FOR STEEL BUILDINGS AND BRIDGES". <br /> 2. MATERIALS: <br /> BOLTS-ASTM A307, UNLESS OTHERWISE NOTED <br /> ALL OTHER STEEL-ASTM A36(Fy=36,000 PSI) <br /> 3. ALL WELDING SHALL BE PERFORMED BY CERTIFIED WELDERS AND CONFORM TO AWS CODES D1.1 AND D1.3. <br /> WELDS NOT SPECIFIED ARE TO BE 1/4"CONTINUOUS FILLET MINIMUM. USE DRY E70 ELECTRODES.WHERE ON-SITE <br /> WELDING IS REQUIRED, SPECIAL INSPECTION IN ACCORDANCE WITH 2015 AND 2012 IBC SECTION 1705.2 IS ALSO <br /> REQUIRED. <br /> CONCRETE <br /> 1. REFERENCE STANDARDS:ACI 301,ACI 318, IBC. <br /> 2. MINIMUM CONCRETE STRENGTH (28 DAYS): <br /> FOOTINGS AND STEM WALLS 3,000 PSI-5 SACK MIX <br /> BASEMENT FOUNDATION RETAINING WALLS 3,000 PSI-5 SACK MIX <br /> SLAB-ON-GRADE 2,500 PSI-5 SACK MIX <br /> SLAB-ON-GRADE...EXPOSED WEATHERING SURFACES 3,000 PSI <br /> AIR-ENTRAINMENT 2.5%TO 5.5%FOR EXPOSED CONCRETE <br /> 3. MIXING: COMPLY WITH ACI 301. DO NOT EXCEED THE AMOUNT OF WATER SPECIFIED IN THE APPROVED MIX. <br /> PROPORTIONS OF AGGREGATE TO CEMENT SHALL BE SUCH AS TO PRODUCE A DENSE,WORKABLE MIX WHICH CAN <br /> BE PLACED WITHOUT SEGREGATION OR EXCESS FREE SURFACE WATER. <br /> 4. PLACING: COMPLY WITH ACI 301. PROVIDE A 3/4 INCH CHAMFER AT ALL EXPOSED CONCRETE EDGES, UNLESS <br /> INDICATED OTHERWISE ON ARCHITECTURAL DRAWINGS. <br /> 5. SLUMP:4 INCHES PLUS OR MINUS 1 INCH. DO NOT ADD WATER TO MIX TO INCREASE SLUMP. GREATER SLUMP, <br /> ACCELERATED SET, OR HIGH EARLY STRENGTH MAY BE ACHIEVED BY USING APPROVED ADMIXTURES. <br /> 6. CURING: COMPLY WITH ACI 301. KEEP CONCRETE MOIST FOR SEVEN DAYS MINIMUM. <br /> 7. JOINTING: PROVIDE ADEQUATE JOINTING TO MINIMIZE EFFECTS OF VOLUME CHANGE.JOINTS SHOWN MAY BE <br /> ADJUSTED AT CONTRACTOR'S OPTION WITH PRIOR APPROVAL FROM ENGINEER. <br /> 8. WEATHER EXTREMES:COMPLY WITH ACI 305R FOR HOT WEATHER. COMPLY WITH ACI-306R FOR COLD WEATHER. <br /> 9. WATER/CEMENT RATIO SHALL NOT EXCEED 0.50(BY WEIGHT),TYPICAL. <br /> 10. ALL SPECIFIED CONCRETE ANCHORS SHALL BE SIMPSON STRONG-TIE, HILTI,OR EQUIVALENT.SPECIAL <br /> INSPECTIONS REQUIRED.ANCHORS SHALL BE INSTALLED IN ACCORDANCE WITH MINIMUM EMBEDMENT, SPACING, <br /> EDGE DISTANCE,AND REQUIREMENTS PER MANUFACTURER. <br /> CITY <br /> OF EV4 Rc TT <br />