2010-00733 (New structure) - Laserfiche WebLink

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Project Number: 10.xxxxx Date: xx-xx-xx J Sheets: 2 of 2 5201 East River Rd Suite 308 Minneapolis,MN 55421 Tel 763-571-2500 Faz 763-571-1168 www.ultelg.com SCOPE SCOPE INCLUDES DESIGN AND DETAILING OF A BOULDER RETAINING WALL WITH MAXIMUM EXPOSED HEIGHTS OF x'-x". ALL CONSTRUCTION IS TO BE DONE IN ACCORDANCE WITH STANDARD INDUSTRY PRACTICE AND THE REQUIREMENTS OF THE CODE. NOTES 1. THE FOOTING BOULDERS ARE TO BE BURIED INTO VIRGIN MATERIAL OR ENGINEERED FILL AS SHOWN IN THE WALL SECTIONS ALONG THE ENTIRE LENGTH OF THE WALL. 2. GRADE AT BASE OF WALL SHALL BE RELATIVELY LEVEL(2% MAX. GRADE). 3. INSTALL SMALL ROCKS BETWEEN LARGER BOULDERS TO PROVIDE A SOLID WALL AND TO PROVIDE SUPPORT FOR THE DRAINAGE MEDIUM. 4. DEPENDING ON THE DRAINAGE MEDIUM AND ON-SITE MATERIAL, THE CONTRACTOR MAY INSTALL FILTER FABRIC BEHIND THE DRAINAGE MEDIUM IN FRONT OF THE BACKFILL TO ENSURE THAT THE BACKFILL MATERIAL DOES NOT WORK OUT INTO THE DRAINAGE MEDIUM (OPTIMAL FOR A GRAVEL DRAINAGE MEDIUM) OR BETWEEN THE BOULDERS AND DRAINAGE MEDIUM (OPTIMAL FOR A SAND DRAINAGE MEDIUM). 5. THE DRAINAGE MEDIUM IS TO BE COMPACTED OVER THE FULL HEIGHT OF THE WALL AND CAPPED WITH A 6"THICK CLAY LAYER. PROPER COMPACTION PROVIDES FOR SOLID PACKED MATERIAL, WHICH TENDS NOT TO SHIFT BEHIND THE WALL. 6. INSTALL DRAINTILE AT THE BASE OF THE WALL. DRAINTILE IS TO DRAIN TO DAYLIGHT AT EACH END OF THE WALL AND INTERMEDIATELY USING WEEPS SPACED AT NO GREATER THAN SIX FEET ON CENTER OR AS REQUIRED. DRAINTILE AND DRAINAGE ARE ESSENTIAL TO KEEP THE FLUID PRESSURE REDUCED BEHIND THE WALL. 7. WALL LAYOUT, PROPERTY BOUNDARIES, GRADING, EXCAVATION, AND DRAINAGE IS BY OTHERS. 8. FINISHED GRADE BEHIND TOP OF WALL SHALL BE LESS THAN 10% MAX. SLOPE. MATERIALS BACKFILL: CLAY ON-SITE (EQUIVALENT FRICTION ANGLE =xx°) DRAINAGE MEDIUM: 100%SAND OR GRAVEL MATERIAL(NO FINES)