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Home My WebLink About20061827 Ver 1_Site Plan_20070426 • Level S reader T e 1 ditch section to o en throat basin Size Schedule M¦¦~ Level Dim, E Dim. D Dim. C Prima Dim, B Dim. A Qutlet Ener Dissi ator F Foreba Size I~ ~ S reader 10* 1* Box Box Box Dischar a Pi 2* Weir Weir 3* 1/ 1/1,OOQ of DA Level Ground Caver Re uired Dim. F ~ ~ No. * cfs cfs Width ft Len th ft Hei ht ft Size inches cfs Hei ht ft Len th ft cfs Len th ft Width ft Stone Thickness in Len h Len h ft Width ft S reader 2* %Grass % Forest Cam . Level S reader Level S reade No.* cfs 13 ft/cfs 65 ftlcfs Len th* Len th ft * Len th ft G 2 1.54 1.50 19.5Q 20 20 ~ 21,30 2.95 4 4 4 10 2.95 2,20 4 21,33 10 4 6" class B, 22" 30 30 10 ,,~~I 20 2.78 4 4 4 8 2.71 1.75 4 17.29 10 4 3" class A, 9" 22 22 11 15 2.08 4 4 4 8 2.15 1.00 4 12.85 10 4 3" class A, 9" 20 20 10 2 10 1.39 4 4 4 6 1.5 2.00 4 8.5 6 4 3" class A, 9" 16 16 8 ~ 5 0.69 4 4 4 4 0.71 2.50 4 4.29 6 4 3" class A, 9" 12 12 5 ~ *Q10 = 7.2"Ihr storm intensity *Q1=1"/hr starm intensity * See laps for Level S reader ID number ~ *Q2 =Maximum flow from primary discharge orifice *Len h = 1 x Com osite len re uired *Q3 =Maximum flaw from secondary discharge weir *Maximum Len h er NCDENR DW = 44 ft/cfs ~ A ~ J W 2 EXTEND TO Z DAYLIGHT UZ 4 ~a ~ ~ 4" PERFORATED HDPE ~ z ~ b~ UNDER DRAIN. PIPE TO ~w ~a~~ OUTLET RIP RAP ENERGY BE SUPPLIED WITH FILTER SOCK DISSIPATOR, SEE SCHEDULE ~~~ti~ ~.o °w~ F 0 4 ~ ~ o~o~ LEVEL SPREADER LENGTH LEVEL SPREADER U ~ ~ rn LEVEL SPREADER INLET CHANNEL 4" CONCRETE LIP LEVEL SPREADER .L SPREADER LINE WITH NON-WOVEN FILTER FABRIC CONCRETE LIP i~ CRETE LIP AND CLASS A (3"DIA.) STONE, 6" THICK ~Q1~~ L~ISC~1~r;GE-ij 3' DISCHARGE STRIP rvr.iR 3" LAYER OF X57 STONE OVER NON WOVEN FILTER FABRIC 0 N FLOW BYPASS BASIN LEVEL SPRE; ° CONCRETE F -LEVEL SPREADER I #4 DOWELS ®5' O.C. CONCRETE FOOTING 8" X 16" CONCRETE 4" PERFORATED HDPE FOOTING ~ Q1 DISCHARGE UNDER DRAIN. PIPE TO ORIFICE BE SUPPLIED WITH FILTER SOCK ~ ~U LEVEL SPREADER FOREBAY LEVEL SPREADER INLET CHANNEL L i i LINE WITH NON-WOVEN FILTER FABRIC LINE WITH NON-WOVEN FILTER FABRIC AND CLASS A 3"DIA. STONE 6" THICK AND CLASS A 3"DIA. STONE 6" THICK ( } ( ) LEVEL SPREADER SECTION E INLET RIP RAP ENERGY DISSIPATOR 4'W X 6'L NO SCALE Q tl~ » General Diffuse Flow Notes 3 DIA. CLASS A RIPRAP 9" THICK 1. Diffuse flow shall be maintained into any and all riparian features outsid Features outside or offsite for the life of the project. 2. The developer, Home Owners Association, or other legal entity shall m€ entity shall maintain all diffuse flow iV features in perpetuity and shall make all necessary reports, submittals, and ~ bmittals, and repairs as should be ~ ~ 5 required by the NCDENR-DWQ. ~a Z Z N 0 SCALE 3. Diffuse flow measures shall be constructed to function as intended. Lev intended. Level spreaders shall be N level, Diffuse flow measures shall provide diffuse flow. UQ L 4. Following construction of all diffuse flow measures, the engineer shall r ~W ngineer shall make a cite inspection L to verify construction of these devices. As-built survey data will be provide will be provided by the developer, /1 C and a record drawing of constructianshall besubmitted to NCDENR-DWQ "DENR-DWQ documenting irL compliance with all approved plans. Q 5. All diffuse flow measures shall be enclosed in a 2U' maintenance easemf ~nance easement. 6. A11 requirements of the NCDENT-DWQ shall be complied with for any d with forany futwemaintenance, construction, or alteration of any diffuse flow measures. Any permits requi i permits required shall be obtained ~ ~ by the developer, Home Owners Associationm, or other legal entity having I entity having maintenance ~ responsibility for these measures. Q10 DISCHARGE ~ LL~+ LEVEL SPREADER r WEI R ~ ~ CONCRETE LIP w w F _ 00 = ° = LEUEL SPREADER LENGTH o' a= ER LENGTH ~ w Q1 DISCHARGE w 1 DISCHARGE _ ~ ~ ~ ORIFICE 0 w ~ = E" CONCRETE z SIDEWALLS ~ FLOW BYPASS BASIN Q 4'~ PERFORATED HDPE m UNDER DRAIN, PIPE TO =-y ~ ~ BE SUPPLIED WITH FILTER SOCK 6" PRECAST SLAB k.. - - - - - - - - - - - w~ do 4LF OF DISCHARGE PIPE D SEE SCHEDULE ( ) LEVEL SPREADER FOREBAY LEVEL SPREADER INLE LEVEL SPREADER ~ .4a ~ a READER INLET CHANNEL CONCRETE FOOTING I~ Z ~ MIN. SLOPE 0.5% LINE WITH NON-WOVEN FILTER FABRIC LINE WITH NON-WOVEI ~ NON-WOVEN FILTER FABRIC ~ ~ AND CLASS A (3"DIA,) STONE, 6" THICK AND CLASS A (3"DIA. 5S A (3"DIA.) STONE, 6" THICK ~ ~ [R a~ NO SCALE NO SCALE ~g J