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Home My WebLink AboutZ-4411-C Map 10ti - Universal Soil Loss Equation Design Soil Loss Equation A = 300(K)(LS)(C)(P) K - Mountainburg 0.17 Cornasaw 0.32 Initial Soil Loss Equation 0.24 K - Mountainburg 0.17 LS - 2.81 (9.47 for 500') Cornasow 0.32 C - 0.02 (Crushed Stone at 240 tons/acre with <21% slopes limited to 300') _ 0.24 P - 0.6 LS - 2.81 (9.47 for 500') A = 300(0.24)(2.81)(0.02)(0.6) = 2.43 tons/acre/year < 5.0 allowable G - 10 EXIST INLET"„", ..,,, „ ... CONSTRUCT Jt P _ 1.0 Const Period Soil Loss Est. 0.6 tons/acre/year '•""""' "• Pre. Development Soil Loss Est. 202 tons/acre/year ••••.,, " " •"• acre Post Development Soil Loss Est. 2.43 tons ar d.,,,,, A 300(0.24)(2.81)(1.0)(1.0) 202 tons/acre/year P / /ye "••••O' Erosion Control Notes_ 1. Contractor will be responsible for obtaining the Grading Permit Contact Melvin Hall or Steve Loop at the City of Little Rock Public Works Department - 371-4461 µ 2. For Erosion Control, stake Hay Bales and Slit Fence in Place - - .d'e••e prior to construction. 3. All disturbed areas shall be Fertilized, Seeded, and Mulched \�/) REM VE EXIST 18" FES (or Landscaped) as soon as practical. O L N" �• - - - - - CON TRUCT J CTION BOX 4 of Startrofl Construcll boc Final Pad and shall be pes seeded omplete withiwithin 90 nys 20CO RUCT NC B FL -4 .5 Days thereof. Final Landscaping shall be in place within 60 Days of the completion of Paving. L-44 ,�• 4 a RGQ I` 5. Total Cut/Fill Is <3000 Cubic Yards. (This volume is for Public Works use only. The Contractor shall be responsible for the dirt work calculations.) 6. Total Disturbed area is 3.3 Acres. 450 Developer: Schickel Development Co. ;'+f 11601 Pleasant Ridge Road ,f+ Little Rock, Arkansas 72212 •• Contact: Lou Schickel (501) 225-7807 Contractor' 45� ,s Name \jA', 'f ° � Address+ City, State Zip Code Contact: \jam i \Cp VIS N 40 +a •'`� 4 6 6 CONSTRUC JU CA Q6 FL -434. _;_r O 7 6 6 J T 5 LO 3D ati,w ''p S _6 STAKE HAY BALES AND SILT FENCE AS SHOWN. � C�I 4 (o 4 n 6 \ I EXI 4 , FL 427.4 4 4 REMOVE EXIST 36" FES ICONSTRUCT SURFACE I LET TOP -435.0 ,THROAT -x+34.0 FL -430.4 i 20 0 20 Scale 1" = 20 ft Slit Fetal Fill Bury ny of 9t Felty tdrle ]' kk the Ijteatd Tem Y-0"' \\ i �' * 'barf. asps at it ah Fens Fabric \ Btry of MI FIM 1meb bNs the V*L\ Tarp Y-4lI1IMt� BM wl1 15" RCP X 192 LF 0 RE IST 12" FES`� CONSTRUCT N BOXY ` •�••-�Z 488.9 190 �•,,,y,,,, 6 0 ADO .Op �.�0 Note: This contract shall include all grading work and erosion NOTE: AFTER COMPLETION OF GRADING, control measures. All other storm drainage and unlit} work shown ALL DISTURBED AREAS ARE TO BE Filter Fabric - Use Staples on this plan is not part of this contract. SODDED AND MULCHED. or wire rings to attach Fabric to wire Wire Mesh with Nor, -Reinforced Filler Fabric OFFSITE GRADING PLAN r] Bockfill with 75 Ib. ,� 20 SCALE Revised Minkrurn Rip -rap on both sides of Height ae directed Filter Fabric on $uAac< by Engineer In Field ©wa=1DA Tss9mc PLEASANT RIDGE Date 4_21_97 �•Nor. Vert. CNIL ENGINEERING, LAND PLANNING & DEVELOPMENT, SURVEYING Scale 401 VICTORY STREET LITTLE ROCK, ARKANSAS 72201 11"=20' SECTION VIEW U i1r 1Er/ u Sheet I I or 1 2 Survey By: Drsem By Checked By I Approved By. CHECK DAMS LITTLE ROCK, ARKANSAS Job Na 97-0081