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pe-1885t5 FUTURE AQUI SI TIN' 2. WARNING - THE USE OF SILTY LOAM IS PROHI BOTTOM MATERIAL. TYPICAL 208" POND NOT TO SCALE 1: ,5 * EASEMENT POND 'A' SCALE 1 " = POND BOTTOM ELEV = 2034,32 POND BOTTOM AREA = 372 S.F PERIMETER = 85.9 L.F. POND BOTTOM DIMENS I ON TABLE POINTS LENGTH AHD 30.97 -- 10' CH D 14' n DRAINAGE EASEMENT f I BOUND RY OF FLAT OTTO AREA 1 SAX. DRAINAGE' STRIGTUR SPOKANE COUNTY TYPE "2" INLET TOP OF 4' WIDE APRON, SLOPE 2% FROM CENTER TO THE SIDES. GU I I ER FLOWLINE CURB INLET TYPE "B" CURB AND GUTTER DRA TOP OF BERM ELEV.= TOP OF CURB ELEV. + .20 FT. 1.5 SOD ON TOPSOIL, SOD INSTALLED CONCURRENT WITH OCCUPANCY OF ADJACENT HOUSE PROVIDE FILTER FABRIC (AMOCO 4545 OR EQUAL) BETWEEN THE NATIVE SOIL AND THE WASHED DRAIN ROCK AND BETWEEN THE WASHED DRAIN ROCK AND THE DRYWELL BARREL. NAVD'88 DATUM NAVD 88 BASED ON A FOUND CH " >ELED " + AT EASTERLY RETURN ON TO =' OF CURB AT 23RD AND BURNS. ELEVATION = 2055.19 REQUIRED '208 VOLUME = 213 C.F. PROVIDED "208' VOLUME = 264.5 C.F. MINIMUM BERM ELEV. 2035.59 POND BOTTOM LOCATION TABLE (241H. AVENUE STATIONING & OFFSET) PO NT STATION 9+75,40 9 +75.40 9+88.40 19 +86.40 OFFSET 40 70,9' 70.9' 40' NAGE TRACT AS SHO GRATE ELEVATI BITED AS POND N ON PLANS TYPE "1" AND PLAT BOUNDARY (TYP) NOR AL GUT R LINE PON (TYP) D LET P NOTE: TESTING IS REQUIRED AS PART OF THE FINAL INSPECTION FOR THE TOPSOIL SINCE THE DRYWELL GRATE IS GREATER THAN 0.5' ABOVE THE SOD. ONE TEST EACH FOR CATION EXCHANGE CAPACITY AND SOIL ORGANIC MATTER SHALL BE PERFORMED FOR EACH GRASSED PERCOLATION AREA 1500 S.F. OR LESS. AN ADDITIONAL SET OF TESTS MAY BE REQUIRED FOR EACH ADDITIONAL 2000 S.F. OR FRACTION THEREOF. TESTS SHALL BE PERFORMED ON A WELL -MIXED COMPOSITE SAMPLE CONSISTING OF THE TOP 6" OF SOIL FROM AT LEAST FOUR CORES UNIFORMLY DISTRIBUTED OVER THE PERCOLATION AREA. IF THE AVERAGE CATION EXCHANGE CAPACITY IS 15 MILLIEQUIVALENTS /100g OR MORE OR THE SOIL IS 2% ORGANIC CARBON OR MORE THE SOIL WILL BE CONSIDERED SUITABLE FOR STORMWATER TREATMENT. B S.,ALE 1" _= 10' POND BOTTOM ELEV = 2051.00 POND BOTTOM AREA = 750 S.F. PERIMETER = 119.7 L.F. POND BOTTOM DIMENSION TABLE POINTS LENGTH 2" TOPSOIL ON GRADED POND BOTTOM GRADED POND BOTTOM 1.37' BELOW EDGE OF ASPHALT 6' -0" SIDE A SEC. 26, T. 75 N SPO E COHN GRASS SEE 10' UTILITY EASEMENT REQUIRED '208 VOLUME 169 C,F. PROVIDED '208 VOLUME = 502 C.F. MINIMUM BERM ELEV. = 2052.32 POND BOTTOM LO... (BURNS ROAD STATIONING POINT STATION 13 +©4.67 3 +22.52 3 +22.55 +04.70 D: 90 LBS. / ACRE BOUNDARY OF FLAT BOTTOM AREA CATION TAE3LE & OFFSET) OFFSET 52.16' RT. ..............:.. 52.14 R 94.14' Ri ............. 94.16' Ri ANTING STRIP WITH STRUCTURE GRASS SEEDING NOTE: EXCAVATION AND EMBANKMENT BANKS AND ALL DISTURBED AREAS WILL REQUIRE STABILIZATION WITH HYDROSEI=DING METHODS. THE SEED MIXTURE SHALL CONSIST OF THE FOLLOWING GRASS SPECIES: 10% ELKA PERENNIAL RYE 20% DURAN HARD FESCUE 45% COVAR SHEEP / FESCUE 15% REUBENS CANADIAN BLUEGRASS \- DRAINAGE EASEMENT FERTILIZER: 16- 16 -16- TIMED RELEASE AT 300 LBS. / ACRE ALL SEEDING OF SLOPES SHALL BE PERFORMED IN ACCORDANCE WITH W.S.D.O.T. STANDARD SPECIFICATIONS SECTION 8 -01, AND APPENDIX "E" OF THE SPOKANE COUNTY GUIDELINES FOR STORMWATER MANAGEMENT. MODU NOT TO SCALE A. A DOTT 7' -0" PLANTING STRIP HIGH BERM RETAI NOT TO SCALE CONCRETE APRON 4" THICK P.C.C. TOP OF DACE ELEV. =VARES MODULAR BLOC.. RETAINING WALT. 8 "H x 12 "D X POND F3TM ELV, 203' NOT TO SCALE �4 TYPE DRYWELL WITH TYPE: 4 METAL FRAME & SOLID LID PER SPOKANE COUNTY STANDARD PLAN B - -1A AND B -15. STA 19 +69, 24.5' LT, RIM ELEV =2034.56 27 L.F. OF 12" PVC S= 0.0182 FT. /FT. IE(N) =2031.76, IE(S)= 2031.2.6 RETAI NES "-\ NING W ALL CROS GROUND SLOPE FINISH GRADE WALL FOUNDATION SHALL EXTEND 30 INCHES BELOW POND FINISH GRADE FOR FROST PROTECTION. G WALL AND POND SECTION TOP OF BERM ELEV.= TOP OF CURB ELEV. + .20 FT. 1.5" SOD ON TOPSOIL, SOD INSTALLED CONCURRENT WITH OCCUPANCY OF ADJACENT HOUSE NOTE: WARNING - THE USE OF SILTY LOA IS 'PROHIBITED AS POND BOTTOM MATERIAL. r)TH • 1" 'T K 'RIC MATCH TO EXISTING POND 2034.32 NOT TO SCALE DRAINAGE TRACT A SHORN ON PLANS NOTE TYPICAL '208 POND WITH NOR AL GUTTER INE CONSTRUCTI D OTES: 0 NOT USED 0 NOT USED ®CONCRETE INLET TYPE 1 WITH TYPE 2 STANDARD PLAN B -5, 8 -11 AND B -1 STA 19+73.5 52' LT TYP) 2" TOPSOIL ON GRADED POND BOTTOM TYPICAL "208" POND -TYPE " 1" AND "2 I PLANTING STRIP ET AL FRAME AND ATE PER SPOKANE COUNTY GRATE . TYPE B DRYWELL WITH TYPE: 4 META FRA E & GRATE PER SPOKANE C B-1A AND B -15. STA 1 +92.37, 21.63' RT, RIM ELEV= 2051.66. ()MODULAR LOCK RETAINING WALL, SEE DETAILS B AND C, THIS SHEET. DRAINAGE EASE ENT AS SPECIFIED ON PLAN DRAINAGE' ST UTUR ►UTTER CONCRETE APRON 4" THICK' P.C.C. TOP OF BERM ELEV. TOP OF CURB ELEV. .20 FT. 1.5 SOD ON TOPSOIL, SOD INSTALLED CONCURRENT WITH OCCUPANCY OF TYPR, ADJACENT HOUSE ORGAN CARBON TESTING IS REQUIRED FOR THE TOPSOIL IF THE DRYWELL GRATE IS GREATER THAN .5' ABOVE SCD THE USE OF SILTY LOAM IS PROHIBITED AS A POND BOTTOM MATERIAL. PROVIDE FILTE FABRIC (AMOCO 4545 OR EQUAL) BETWEEN E NATIVE SOIL AND THE AS IED DRAIN OCK AND BETWEEN E WASHED DRAIN ROCK AND THE DRYWELL BARREL. GRATE ELEVATION PROPERTY UNE BACK OF CURB FACE OF CURB EDGE OF PAVEMENT 6, 0 "► IDE ALK GRADED POND BOTTOM 0.84' BELOW EDGE OF ASPHALT SPOKANE COUNTY TYPE "2" INLET SECTIONAL VIEW DRAINAGE STRUCTURE EVE H YDROSEE SIDE SLOPES TOP OF 4' WIDE APRON, SLOPE 2% FROM CENTER TO THE SIDES. D PE NO AI OR R W . 2" TOPSOIL ON GRADED POND BOTTOM PLANTING STRIP APP OVAL UNDER ROUND SERVICE ALERT NUMBER ONE CALE 456.8000 CALL TWO BUSINESS DAYS BEFORE YOU DIG Old H GRADE FOND BOTTOM 1.34' BELOW EDGE OF ASPHALT O TY STAN DA PLA GUTTER FLOWLINE CURB INLET T " "CUR AND GUTTER GUTTER FLO LI N E CURB INLET TYPE CU GUTTER CONCRETE APRON 4" THICK P.C.C. 0 0 z 0 z 2 Z 0 0 U 0 4 2 AR HI'C'EC:'e°£LIRL PIE RINI3 PLANICII U LAN SCAPE ARCHITECTURE LAND SURVEY! NEI EXPIRES 9/24/ EPAI ED UNDER THE UIRECT SUPERVISION OF TODD R. WHIP L.E WASHINGTON REGI "T"I A7"ICIN NEC a S46.2 FOR AND 13N BEHALF OF i L..0 ASS ICIAT ES T EST 7TH AVENUE SUITE ZUEJ SF NE WASHINGTON 99204 P 509 455 6840 F5094 .8 6E144 PRO T :802' DRAWN BY: DESIGNED SIGNED CY: CHECKED BY: SHEET 3 SKM aNR