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HomeMy WebLinkAboutC5.1_Storm Water Details V1n l APPROVED SAND/GREASE TRAP (IS=WC SD-6211) OR SEDIMENT MANHOLE ('SPWC SC-6'1) 18' DIA. CORRUGATED HD'E� IF NS-AI-LED WITH CHAMBERS/2' RING &� OR PVC PIPE PERFORATED TER CHIPS, INSTALL WOVEN COVER PER PERFORATON SCHEDULE GEO-EXTILE TO SEPARATE CHIPS ISPWC SO-617 AND DRAIN ROCK (Typ) F REES & 5-:RUBS ARE NOT PERMITTED OBSWELL BE TOP OF SEEPAGE � WELL BED _LEV EOTCVI PER <_- EE COVEP FI EV EST -CU 6AFFI E NOTES \: SEE 8 NO-E 1inn 11 IF,! �ti VARIES -SEE PLAN SFE_T yOF 18" SOLO �- WALL PIPE ✓ITHAL ASTM C33 5_Ff ASTfJ C ? 4' OF ? PIPE BEDD NO J -CFILLER SAND_: FILTER SAND NONWOVEN FILTER FABRIC. OVERLA' - RAN_ITICN 5-� IN� -MAX HSGW MINIMUM CF 1-FT TOP ANC RED NON- ER=ORATED ELEVATION SIDES ONLY -C RERFOEATED P PE SECTION NOTES: N.T.S. 1. BMP 1-4 CR VEGETATED PRE-REATMENT IS REQUIRED. 2. CC TACT DESIGN PROFESSICNA'_ FOR SEEPAGE ZED REDESIGN IF GROUNDWATER IS ENCOUNTERED ABOVE MAX HSGa REVATON 3 ALL VAUL 5 MANHOLES & SAND AND GREASE FEARS _HAL'_ BE HS25 OR GREATER LOAD RATED 4. SEF'AGE BFD SHALL 3E 54CWN ON BOTH PIAV AV ROFILE VIEWS 5 OPTIONAL -(AMBERS PER VIAN'JFAC URERS SP_ IFCA IONS 6. ALL GEOTEXTILE SEAMS SHALL O'JERLAI ' FOOT M NIVLM 7 EL IN > EL. ECTiCM PERFORATICNS IN 18 'ERE PIPE 8. MAXIMUM BED LENGTH IS 40C-FT BETWE-N MANHOLES 9 BED WDTH SHALL REMAIN CONSTAN- 10. WATERTIGHT CONNECTION REQUIRED 11. HIGH FLOW BYPASS PRE ON'." NEEDED I= 0100 VELOCITY THROUGH STRUCTURE > 0.5 FPS COVER NOTES: FOR SEEPAGE BEDS OUTSIDE PUBLIC RIGHT-OF-WAY: 1. A MINIMUM 1.5-FT COVER FROM TOP OF BED TO FNISH GRADE IS REQUIRED FOR SEEPAGE BEDS IN PUBIC RIGHT-OF-WAY: 1. A MINIMUM 1.C-FT COVER FROM TOP OF BED TO PAVEMENT SUBGRADE IS REQUIRED BACKFILL OVER RED TO SJBGRADE WITH 6°-B" MINUS PTRUN WCVEN GEOTEXTILE FABRC REQUIRE] OVER -OP 0= BED —TOP OF BFD UNDER SIDEWALK SHALL 3E MIN 1.0-FT BELOW PAVEMENT SUBGRADE 2. IF < 1.0-FT COVER FROM TOP OF BED TO SUBGRADE, ANGULAR ?" TO 2" ROCK IS REQUIRED WITH MINIMUM 50% SINGLE FRACTURED FACE IN ''LACE OF 2" CRAIN ROCK. FULL ROADWAY SECT'�ON IS REQJRED OV-R S-EPAG- REDS. SEEPAGE BEDS SHALL NOT EXTEND ABOVE SUBGRADE 4, THE DESIGN PRCFESSIONAL IS S01-F_" RESPCNSI31 E -OR ASSESSING THE BEARING RESISTANCE OF THE SUBGRADE SOILS AND DETERMINING THE DEPTH CF FOJNCATION S-ONE SEE BMP 20 SHEET 2 OF 3 -OR ADDITIONAL NOTES 2C 17 SEEPAGE BED WITH STANDARD DRAWING ACHD STCR MWATFR DESIGN GUIDELINES OPTIONAL CHAMBERS BMP 20 SHEET 1 OF 3 ENCLOSE TOP & SIDES OF ROCK WITH NON WOVEN GEOTEXTILE FABRIC 1-FT MIN TEL 6" MIN TYP 18" DIA. HOPE OR PVC PERFORATED PER -INCLOSE TOP & SIDES OF ROCK WNH NOWOVEN FILTER FABRIC 1 SCHEDULE BELOW SEE COJEP. NOTES OPTIONAL STORMWATER STORAGE ­1 GH r°SK-, ------- CHAMBERS ' SHAPE & SIZE VARY PER MANUFACTURERiB WOVEN GEOTEXTILE BETWEEN •• ; 1 CHIPS AND 2" DRAIN ROCK -72" DIA. HOPE OVERLAP WOVEN AND NON OR PVC WOVEN GEOTEXTILE A MIN OF PERFORATED 1-FT ON ALL SIDES - PER SCHEDULE 13ELDVV SEE NOTE 11 1 J 1 _ J- 1 .5-FT '-' 1.5-FT ASTM C33 'JJIDTH VARIES STATER PER PLAN SAND 15' MPX WIDTH OPTIONAL CHAMBER STANDARD SECTION SECTION A -A N.T.S. N.T.S. OBSERVATION WIDTH WELL #1 AS 145 � aS ' 4S � A5 4S. I A A q 18" PERT PIPE 12' PERF PIPE WQ BYPASS SEE NOTE 11 y OBSERVATION PERFORATION SCHEDULE B WELL #2 3/8" PERFORATIONS IN VALLEYS ACROSS STREET OF CORRUGATED PIPE. 5 EA ON 'WITHIN SIDEWALK 18", 8 EA ON 12" OBSERVATION WELLS: 2 REQUIRED PER BED PLAN N.T.S. REQUIREMENTS FOR FACILITIES IN RIGHT-OF-WAY 1. BED IS LIMITED TO AREA WITH IN 5-FT OF CURE FACE UNDER ROADWAY; 2. NO GREATER THAN 10-FEET IN DEPTH TO THE BOTTOM OF THE ROCK; 3. MAY NOT EXTEND OUTSIDE OF THE RIGHT-OF-WAY (MAY NOT ENCROACH ON PRIVATE LOT IN AN EASEMENT); 2017 SEEPAGE BED WITH STANDARD DRAWING ACHD STORMWATER DESIGN GUIDELINES OPTIONAL CHAMBERS BMP 20 SHEET 2 OF 3 Property Test Method English Tensile Strength Grab ASTM D-4632 120 Ibs Elongation ASTM D-4632 50% Puncture ASTM D-4833 65 Ibs Trapezoidal Tear Strength ASTM D-4533 50 Ibs UV Resistance Apparent Opening Size AOS ASTM D-4355 70% ASTM D-4751 70 US Std. Sieve Permittivity ASTM D-4491 1.50 sec-1 Water Flow Rate ASTM D-4491 120 gpm/ft2 Woven Fabric Property Test Method English Tensile Strength Grab ASTM D-4632 Min 250 Ibs Puncture Strength or CBR Puncture ASTM D-4833 or ASTM D-6241 Min 125 Ibs or Min 950 Ibs UV Resistance ASTM D-4355 Min 80% Apparent Opening Size AOS ASTM D-4751 70 US Std. Sieve Water Flow Rate ASTM D-4491 Min 18 pm/ft Percent Open Area CW-02215 Min 4% GEOTEXT LE REQUIREMENTS NOTES: 1. NONWOVEN OR MONOFILAMENT WOVEN GEOTEXTILES ARE REQUIRED. SLIM FILM OR SLIT TAPE GEOTEXTILES ARE NOT APPROVED FOR DRAINAGE APPLICATIONS. rOBSERVATION 11 ILL #i I ON OPPOSITE SIDE OF STREET IN SIDEWALK OR /l MIN 50' DISTANCE ewc SD PIPE ® ® MAINTF_NANCE DIVERSION STRUCTURE WITH ACCESS TO ® RAISED INVERT OR WEIR WALL STRUCTURES HIGH FLOW BYPASS PIPE -WO PIPE, SEE NOTE 11 ON BMP 20 PERF TOP HALF PLAN -SEEPAGE BED OUTSIDE ROADWAY SI7E 777 3ED N.T.S. r OBSERVATION WELL #1 ON OPPOSITE SIDE OF STREET IN SIDEWALK OR r N N 50' , TANOT �ldewc a HI FLOW BYPAS PIPE— SD PIPE ® © SF N0�1 ON 0P (1 of Z) P€$TFIPE Sidewalk !R" PERT FEET A WO PIPE, DIVERSION STRUCTURE WITH PERF TOP HALF RAISED INV OR WEIR WALL PLAN -SEEPAGE BED UNDER SIDEWALK N.T.S. 2017 SEEPAGE BED WITH STANDARD DRAWING ACHD STOFRONTER DESIGN GUIDELINES OPTIONAL CHAMBERS BMP 20 SHEET 3 OF 3 WELL SECTION GRADE WELL COVER IN SIDEWALK 1 a' PLAN VIEW CONCRETE COLLAR NON -TRAFFIC AREAS 3 PLAN VIEW CONCRETE COLLAR -TRAFFIC AREAS z+' SECTION CONCRETE COLLAR IDAHO STANDARDS I GROUND WATER I STANDARD DRAWING FOCONSBTRUCTTIIONKS L OBSERVATION WELL N0 SD-627 t Of2 LEGEND 1O WELL COVER, 8' SIAM. WATERTIGHT GALVANIZED STEEL COVER AND CANISTER. O PVC CAP, GASKETED (WATERTIGHT). JO CONCRETE (COLLAR). CLASS 3000 (ISPWC SECTOR 703). 3/4' MINUS CRUSHED AGGREGATE FOR BASE (ISPWC SECTION 802) OR MATERIAL REQUIRED FOR STORM DRAINAGE FACILITY (1. E. 3' DRAIN ROCK, FILTER SAND). O PVC PIPE, 4' DIAMETER ASTM D-3034 SDR 35. O6 2 - STAINLESS STEEL HOSE CLAMPS AT 3" SPACING. SECURE GEOTEXTILE IN PLACE. \'/ FILTER SAND (ISPWC SECTION 801), U PERFORATED PVC PIPE, ASTM D-3035 SDR 35 WITH 6 - 3/8- DIA, HOLES AT 3' ON CENTER. (9) DRAINAGE GEOTEXTLE, TYPE I (ISPWC SECTION 2060). 10 PVC CAP. SOLVENT WELDED OR GASKETED (WATERTIGHT). 11 (2) p4 REBAR HOOPS WTH N4 VERTICALS. 12 NO. 12 AWG, GALVANIZED FINDER WIRE. Q3 THREE 6" DIAMETER COILS. NOTES: OA WELLS ARE FOR OBSERVATION OF GROUNDWATER LEVEL NEAR STORM DRAINAGE FACILITIES. (B) LOCATION OF GROUNDWATER OBSERVATION WELLS SHALL BE A-PROVFD HY ENGINEER. oI z IDAHO STANDARDS GROUND WATER STANDARD DRAWING FOCONSTTRUCTTION s OBSERVATION WELL N0 SD-627 z GFz NOTE: SEAL —ENGINEER BENCHMARK: SHEET NO, WORK CONTAINED WITHIN THESE PLANS SsioNA�e CITY OF MERIDIAN, ID SHALL NOT COMMENCE UNTIL AN F� •PLANNING C5.1 Know what's below. ENCROACHMENT PERMIT AND/OR A Q�o���IsrfgF0 B BLAINE A. WOMER •SURVEYING SEE SHEET WOODCREST TOWNHOMES SUBDIVISION GRADING PERMIT HAS BEEN ISSUED, P A CIVIL C 1.0 Call before you dig No. 17011 CIVIL ENGINEERING ENGINEERING STORM WATER IMPROVEMENT PLANS FILE NO. .PUBLIC woxxs DRAWING STATUS 9y9TF �oP�� W STORM WATER DETAILS N1420004 FOR AGENCY REVIEW MARK I BY I DATE AI DATE O11F FF �yj� Boise, ID 83706, 4355 W. Em .Id Sheet, Sint. 145 • 1-208-593-7555 SCALE: ENGINEER REVISIONS COUNTY W N H: V: