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HomeMy WebLinkAboutADVANCE AUTO PARTS SITE PLAN (2)I • YTEEL. 2 SUBDIVISION DRAINAGE I. DESIGN THICKNESS DRAINAGE SYSTEM TYPE II. STABILIZED SUBGRAD III. DESIGN STRENGTH OCON Psi ❑ STORM SEWER IV. TYPE AND PLACEME II--EN TO BE COMPLETED ONLY IF AVING IS TO BE A PTED BY HARRIS COUNTY ROADSIDE DITCH •, L�,IIVV DRIVEWAYS VJI I. NUMBER OF DRIVEWAY APPROACHES PROPOSED: 1 ❑ CITY HOUSTON II. HARRIS COUNTY STANDARD DRIVEWAY DETAIL APPEARS 11 OTHER ON SHEET 2 NOTES: I - II TO BE COMPLETED ONLY IF PROJECT ENTAILS CONSTRUCTION OF DRIVEWAYS AT TIME OF DEVELOPMENT FIRE APPARATUS ACCESS ROAD ' ❑ REQUIRED AND SHOWN ON SHEET(S) X NOT REQUIRED DUE TO CITY OF LA PORTE CURBING I. ISLANDS AND MEDIANS REQUIRE STANDARD 6" CURBING II. ❑ STANDARD 6" CURBING PROPOSED ❑ 4" x 12" CURBING PROPOSED ❑ 6" OR 4" x 12" ALLOWED EXCEPT AT MEDIANS AND ISLANDS TRAFFIC CONSIDERATIONS 1. MEDIAN CUTS X NO MEDIAN CUT OR RELOCATION IS PROPOSED ❑ MEDIAN MODIFICATIONS ARE SHOWN ON SHEET II. LEFT HAND TURN X NO LEFT TURN LANE IS PROPOSED ❑ LEFT TURN LANE IS SHOWN ON SHEET ill. TRAFFIC CONTROL PLAN X NO WORK IN THE RIGHT OF WAY IS PROPOSED THAT WOULD INTERFERE WITH TRAFFIC FLOW ❑ TRAFFIC CONTROL SHOWN ON SHEET IV. EXISTING TRAFFIC CONTROL ❑ DEVICES SHOWN ON PLANS (T.C. BOXES AND LOOPS) NOTES: I - III TO BE COMPLETED FOR ALL PROJECTS 6, STORM WATER QUALITY I. CONSTRUCTION PROTECTIVE MEASURES. X SWPPP SITE PLAN AND DETAILS ON SHEET(S) _. ❑ TO DETENTION ND ❑ DETENTION POND AINT ED BY ❑ TO HCFCD DRAINAG CH UNIT NO. _ ❑ TO HARRIS COUNTY DSIDE DITCH ROAD NAME: ❑STATIC W.S.E. ® OUTF LL IS _ ❑ PROPOSED STORM WER IS SUBME ED )RM WATER 2UTFALL CAPACIT/ACATED TO TRACT FROM D. . MAP: FROM OE AREA MAP DATED: PREPAR ACTUALYDUTFALL RATE: n FREQUENCY (CFS) (CFS) LOW PRIOR TO DETENTION: FLOW AFTER DETENTION (IF REQUIRED): I - IV REQUIRED ON ALL SUBDIVISION TYPE PROJECTS INCLUDING MANUFACTURED HOME PARKS. 11. APPLICABILITY FOR PERMANENT FEATURES. EXEMPT NEW DEVELOPMENT OF LESS THAN 5 ACRE PARCEL. ❑ EXEMPT REDEVELOPMENT OF A 5 ACRE OR LARGER PARCEL WHERE TOTAL IMPERVIOUS SURFACE (EXISTING PLUS PROPOSED) IS LESS THAN 1 ACRE. ❑ EXEMPT "GRAND FATHERED" BY AN EXISTING STORM SEWER LINE. ❑ "STORM WATER QUALITY MANAGEMENT PLAN" HAS BEEN/WILL BE INCLUDED IN A SEPARATE SUBMITTAL ENTITLED________________________________ ❑ "STORM WATER QUALITY MANAGEMENT PLAN" INCLUDED. SWQMP SITE PLAN ON SHEET(S) ----- --------------------------- Ill. STORM WATER QUALITY FEATURES. ❑ VEGETATIVE CONTROLS USED: (FILTER STRIP, GRASSY SWALE, URBAN FORESTRY) DETAILS AND CALCULATIONS APPEAR ON SHEET(S) ____--_____- ❑ POND STRUCTURE USED (WET, DRY, WETLANDS) DETAILS AND CALCULATIONS APPEAR ON SHEET(S) ______-_____ ❑ HYDRODYNAMIC TYPE SEPERATOR MODEL: _________________________ ❑ OTHER(S): II- 11 REQUIRED ON ALL. PROJECTS, III IF NOT EXEMPT OR 'GRANDFATHERED" 9, WHEEL CHAIR RAMPS / SIDEWALK WHEEL CHAIR RAMPS PROPOSED YES X NO ❑ SIDEWALKS PROPOSED YES X NO ❑ NOTE: IF A MAJOR CATEGORY ON THIS SHEET IS NOT REQUIRED FOR THE PROJECT, "X" THROUGH THAT ENTIRE SECTION. CATEGORY (6) MUST BE COMPLETED. 3. SITE DRAINAGE (OTHER THAN SUBDIVISION TYPE PROJECTS) I. PROPOSED DRAINAGE AREA X NEW DEVELOPMENT AREA: 0.6536 AC. ❑ RE —DEVELOPMENT AREA (AMOUNT INCREASED IMPERVIOUS AREA): II. DETENTION VOLUME (DRY BASF NEW AREA 0•6536 Ac• X 0.65 = 0,4248 ACRE—FEET DETENTION REQUIRED ( EXEMPT 0.162 Ac—Ft.) PROPOSED VOLUME = 0.2426 ACRE FEET ( SEE SPENVER HWY. DESIGN DA MAP ATTACHED) III. OUTFALL OUTFALL TO ❑ ROADSIDE DITCH X STORM SEWER ❑ OTHER STATIC W.S.E. ® OUTFALL IS _ ROADSIDE DITCH OUTFALL: ROAD FRONTAGE X 0.0088 = __(CFS) ALLOWABLE OUTFALL PROPOSED OUTFALL RATE: R STORM SEWER OUTFALL CAPACITY ALLOCATED TO TRACT FROM D. A. MAP: _ 1_96 (CFS) FROM DRAINAGE AREA MAP DATED: 7/26/91 PREPARED BY: STEFFEK & VAN DE WIELE INC. SPENCER HWY. PROJECT) ACTUAL OUTFALL RATE: 1.38 6" RESTICTOR (CFS) IV. PUMPED DETENTION FACILITIES VOLUME THAT GRAVITY FLOWS: 4 _ ACRE FEET VOLUME THAT IS PUMPED: _ Y ACRE FEET ENTRANCE VELOCITY INTO ROADSIDE DITCH OR STORM SEWER: PUMP SPECIFICATIONS AND OPERATING PLAN APPEAR ON SHEET V. FLOW RESTRICTOR SIZE OUTFALL PIPE SIZE: 24" RESTRICTOR PIPE SIZE: 6" VI. ❑ PROPOSED STORM SEWER IS SUBMERGED NOTES I. REQUIRED FOR ALL PROJECTS OTHER THAN SUBDIVISION TYPE PROJECTS. DEVELOPMENT AREA INCLUES ALL AREA WHERE BUILDING, PAVING OR GRADING WILL OCCUR. AREAS NOT INCLUDED BUT WITHIN THE PROPERTYS BOUNDARIES MUST BE DELINEATED AS A 'NO WORK" AREA ON THE DRAWINGS. II. - V. REQUIRED WHEN PROPOSED FACILITY WILL INCREASE THE AMOUNT OF RUNOFF INTO A COUNTY DRAINAGE DITCH, ROADSIDE DITCH OR STORM SEWER. IF ANALYZED AND THE RECEIVING DRAINAGE STRUCTURE HAS CAPACITY IN THE FULLY DEVELOPEDCONDITION OF THE AREA IT SERVES, NO DETENTION IS REQUIRED. 7. FLOOD CONTROL DISTRICT CRITERIA 1. DETENTION SUMMARY STORMWATER DETENTION BASIN ROUTING TABLE DETENTION BASIN DRAINAGE AREA = ACRES RAINFALL EVENT PROBABILITY PRE -DEVELOPED PEAK RUNOFF CFS POST -DEVELOPED PEAK RUNOFF CFS DETENTION BASIN PEAK OUTFLOW CFS MAXIMUM WATER SURFACE ELEVATION PEAK STORAGE VOLUME AC -Ft STORAGE RATE AC -FT PER AC 10% EXCEEDANCE (10-YEAR) 1% EXCEEDANCE (100-YEAR) AUDIIIUNAL CRITERIA FOR PUMPED DETENTION BASINS: VOLUME OF PUMPED 1% EXCEEDANCE STORAGE VOLUME = __AC -FT % OF TOTAL VOLUME MAXIMUM DESIGN OUTFLOW VELOCITY INTO HCFCD CHANNEL = CFS DRAIN TIME FOR BASIN = HOURS BASED ON STORMWATER DRAINAGE DESIGN REPORT REPORT TITLE REPORT DATE ENGINEERING FIRM DATE OF ACKNOWLEDGEMENT BY HCFCD OR FLOODPLAIN ADMINISTRATOR HEAD CONDITIONS. STORMWATER DETENTION FOR THE PROPOSED WORK CONTAINED IN THESE PLANS IS PROVIDED BY OTHER PLANS: PLAN TITLE' ENGINEERING FIRM DATE SIGNED BY HCFCD HCFCD STANDARD NOTES: SEE SHEET OF THESE PLANS. HCFCD STANDARD DETAILS: SEE SHEET OF THESE PLANS. IV. REFER TO PLAN SHEETS FOR EXISTING AND PROPOSED RIGHT OF WAY DELINEATION AND COMPLETE RECORDING INFORMATION TO INCLUDE CLERK'S FILE NUMBERS, TYPE OF ESTATE (e.g., DRAINAGE EASEMENT, FEE STRIP, ETC.) AND GRANTEE (e.g. COH, HCFCD, PUBLIC, TXDOT, ETC.) NOTES: I. COMPLETE ONLY IF HCFCD OR HARRIS COUNTY IS REQUIRING DETENTION. 11. COMPLETE ONLY IF PROJECT HAS WITHIN IT OR IS IMMEDIATELY ADJACENT TO AN EXISTING OR PROPOSED HCFCD MAINTAINED CHANNEL OR DETENTION BASIN. III. COMPLETE ONLY IF PROJECT INCLUDES NEW OUTFALL, BACKSLOPE INTERCEPTOR OR OTHER RELATED WORK WITHIN AN EXISTING OR PROPOSED HCFCD MAINTAINED CHANNEL OR DETENTION BASIN. IV. COMPLETE ONLY OF PROJECT HAS WITHIN OR IMMEDIATELY ADJACENT TO IT AN EXISTING OR PROPOSED PUBLIC DRAINAGE CHANNEL OR DETENTION BASIN. q , WATER AND WASTEWATER I. TYPE OF SERVICE PROPOSED X MUNICIPALITY: ❑ MUNICIPAL UTILITY DISTRICT: ❑ OTHER DISTRICT: ❑ PRIVATE WATER AND WASTEWATER SYSTEMS ❑ PRIVATE WATER SYSTEM AND INDIVIDUAL OSSF ❑ INDIVIDUAL WATER WELL AND OSSF ❑ OTHER: ❑ NO UTILITIES ARE PROPOSED IL PROOF OF CAPACITY BS LETTER FROM DISTRICT AUTHORIZING SERVICE AND CONNECTION ❑ TCEQ APPROVAL FOR WATER SYSTEM AND PERMIT FOR WASTEWATER SYSTEM. ❑ TCEQ APPROVAL FOR WATER SYSTEM AND OSSF FEASIBILITY REPORT ❑ OSSF FEASIBILITY REPORT WHICH CONSIDERS INDIVIDUAL- WELLS III. AMOUNT OF FLOW ❑ RESIDENTIAL: ❑ COMMERCIAL: ❑ OTHER: NOSES I. COMPLETE FOR ALL PROJECTS If. COMPLETE FOR ALL PROJECTS. III. COMPLETE ONLY IF TCEQ DISCHARGE PERMIT IS PROPOSED $, FLOOD PLAIN STATUS 1. GENERAL INFORMATION FLOOD PAIN ADMINISTRATOR — CITY OF LA PORTE FIRM PANEL(S) FOR PROPERTY: 48201CO490L FIRM PANEL(S) DATE: JUNE 18. 2007 STATUS OF PROPERTY ON MAP X LOCATED IN UNSHADED ZONE "X" ❑ ENTIRELY LOCATED IN SHADED AND UNSHADED ZONE "X" ❑ LOCATED PARTIALLY IN ZONE "AE" DELINEATE ON CONSTRUCTION DRAWINGS (DRAINAGE LAYOUT) ❑ LOCATED ENTIRELY IN ZONE "AE" (INDICATE BASE FLOOD LEVEL ON CONSTRUCTION DRAWINGS) ❑ OTHER ❑ SITE REMOVED FROM FLOODPLAIN BY LOMA OR LOMR—F CASE NO. FLOOD HAZARD RECOVERY DATA ❑ FLOOD HAZARD RECOVERY DATA AVAILABLE AND UTILIZED (PROVIDED INFORMATION BASED ON 1973 AND 2001 ADJUSTMENTS). ❑ FLOOD HAZARD RECOVERY DATA NOT AVAILABLE. ELEVATION INFORMATION BENCHMARK USED ❑ FEMA RM benchmark ❑ HARRIS—GALVESTON COASTAL SUBSIDENCE DISTRICT BENCHMARK (FOR COASTAL AREAS) X OTHER DESCRIPTION OF BENCHMARK INCLUDING ELEVATION, DATUM AND YEAR OF ADJUSTMENT R M 20225 ON UNDERWOOD ROAD SOUTH OF SPENCER HIGHWAY ON INLET EAST SIDE OF UNDERWOOD BETWEEN MONTGOMERY ND CATLM ELEVATION 21.94, NAVD 1988, Loot ADJUSTMENT II. FLOOD PLAIN DETERMINATION BASED ON GROUND ELEVATION ❑ PROPERTY LIES ENTIRELY ABOVE THE BASE FLOOD LEVEL AND IN ZONE "X" (SHADED OR UNSHADED) ❑ PROPERTY LIES PARTIALLY BELOW THE BASE FLOOD LEVEL (MUST BE DELINEATED ON TOPOGRAPHIC SURVEY) III. FLOODPLAIN STORAGE SUMMARY (APPLIES ONLY TO PORTION OF LAND LOCATED WITHIN FLOODPLAIN AS DELINEATED BY FIRM PANEL). A. TOTAL VOLUME OF MATERIAL PROPOSED TO BE PLACED WITHIN THE FIRM DELINEATED FLOODPLAIN (FILL, BASE, CONCRETE, ASPHALT, ETC.): i.e., BELOW ELEVATION (19 ADJ.) CUBIC YARDS B. TOTAL VOLUME OF MATERIAL PROPOSED TO BE REMOVED FROM THE FIRM DELINEATED FLOODPLAIN: i.e., BELOW ELEVATION (19 ADJ.) CUBIC YARDS NOTES I. COMPLETE FOR ALL PROJECTS II., COMPLETE ONLY IF PROJECT IS ADJACENT TO 100-YEAR FLOOD PLAIN IV. ULUMR REQUIRED VERIFIED BY: HAIZRI S COUNTY PUBLIC INFRASTRUCTURE DEPARTMENT LOTS OR UNITS AVERAGE DAILY FLOW 5, DESCRIPTION OF PF OPERTY 1. LEGAL DESCRIPTION / PLAT NAME (PRO 1 OSED OR RECORDEDI: LOT 5 .GRY SUDMSION RE —PLAT ( NOT FILED OR RECORD ) ❑ NEW PLAT LOCATED IN THESE SURVEYS: XREPLAT OF KNOWN AS RECORDED....Y SUBDIVISION OR ;ESERVE 11. ADJACENT ROADS _ SPENCER HIGHWAY 111. JURISDICTIONS ❑ CITY OF HOUSTON X CITY OF LA PORTE ❑ ETJ, CITY OF ❑ UTILITY DISTRICT: ❑ OTHER: IV. HCAD ACCOUNT NOS (ALL) 127-254-001-0001 E: N.QTES: L, III., IV., COMPLETE FOR ALL PROJECTS I COMPLETE ONLY IF PROJECT IS LOCATED ADJACENT TO A F IBLIC OR PRIVATE ROAD. HCPID SIGNATURE BLOCK PROJECT KNOWN AS: ADVANCED AUTO PARTS BY YBARRA INVESTMENTS INC WAS ACCEPTED BY THE FOLLOWING GROUPS FOR THE PURPOSES LISTED BEL011 ENGINEERING DIVISION BY INTERPOSE NO OBJECTION DATE BY AS TO PAVING AND/OR DRAINAGE ONLY DATE N /bttitar l i (.Va /Z 3 07 A5 lU LOCATION OF ITEMS IN COUNTY RIGHT OF WAY 11DATE BY NO ! 5 wo, STORMAS TO WA7BR QUALITY (( �W DATE HARRIS COUNTY FLOOD CONTROL DISTRICT INTERPOSE NO OBJECTION BY i�02.2u1ew Q.9GO DATE &&,7107 FOR ITEMS LOCATED OUITS@12 OF HCFCD RIGHT-OF-WAY/ APPROVED: � FOR ITEMS LOCATED WITHIN EXISTING HCFCD RIGHT-OF-WAY DATE APPROVED: BY / DATE FOR ITEMS LOCATED WITHIN PROPOSED, HCFCD RIGHT-OF-WAY ADDITIONAL COMMENTS: THE PROJECT WAS REVIEWED, HOWEVER, THIS DOES NOT MEAN THE ENTIRE PROJECT, INCLUDING ALL SUPPORTIN DATA AND CALCULATIONS HAVE BEEN COMPLETELY CHECKED AND VERIFIED. THESE DRAWINGS ARE SIGNED, DATED AND iEALED BY A PROFESSIONAL ENGINEER LICENSED TO PRACTICE IN THE STATE OF TEXAS, WHICH THEREFORE CONVEYS Tt ; ENGINEER'S RESPONSIBILITY AND ACCOUNTABILITY. THIS DOES NOT RELIEVE ANY PARTY FROM COMPLYING WITH ANY OTHER U ',ALLY ADOPTED REGULATION OR ORDINANCE RELATED TO LAND DEVELOPMENT. IF THE CITY SIGNATURES ARE REQUIRED' M ORDINANCE, COUNTY PERMITS WILL NOT BE ISSUED UNTIL SUCH SIGNATURES ARE OBTAINED. THESE SIGNATURES ARE VALID F IR A MAXIMUM OF TWO YEARS. ENGINEER'S CERTIFICATION �t1Lfl+t � f 0. 1, H. CARLOS SMITH A LICENSED PROFESSIONAL 'r '. ENGINEER IN THE STATE OF TEXAS DO HEREBY CERTIFY THAT THE INFORMATION PRESENTED ON THIS SHEET IS TRUE AND CORRECT TO THE BEST OF Y#S MY KNOWLEDGE. THE COMPLETED PROJECT CONSISTS OFDRAWING SHEETS 1 THRU SEAL SIGNATURE DATE R E V I S I O N S DATE SHEET NO. DESCRIPTION A( <NOWLEDGMENT 10-07-2007 1 SECTION 3, 6. 8 AND SIGNATURE BLOCK H. CARLOS SM11 10-07-2007 2 MINOR DEVELOPMENT SITE PLAN H. 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F-F U V) =F=F-L,< U<0 U d�w Moo �N W 3Z D: N w JI d to N O U0OiNS 4W❑ Z=0_Z i U m UzO: rz ONE OONtn O V)00( 0 - Z wZMW zO ~ ! O w w z �� NNWo IJ m : OwCni w 0 3:Uj3: pU 3wtEJ voi O Z w N Z } W W W U Q N Q� 1 Q D-W: Z x fn» ' ? Om Z !n U F- J wt p ZNO W V) o W O Q to ir F-m I 01W0 Fx.. WOO -1 H N t F- U w w U .-UHL Q CV(}n C¢J IM Fx--=ti a 0 1. SET POSTS AT REQUIRED SPACING AND DEPTH. EXCAVATE A 6" x 6" TRENCH UPSLOPE ALONG THE LINE OF POSTS. 2" x 2" WOODEN POST "____�OR EQUIVALENT. EXTENSION OF FABRIC INTO TRENCH. FILTER FABRIC FLOW COOMPACTED 6. I— MIN. OF 6" I 2. ATTACH FILTER FABRIC TO POSTS AND INSTALL IT INTO THE TRENCH. BACKFILL THE TRENCH AND COMPACT THE EXCAVATED SOIL. POST EXTENSION OF FABRIC INTO TRENCH. FILTER FABRIC FLOW 1z y POST tK�l;• 1: T:L� 1 � ���ill GENERAL NOTES: 1. SET POSTS AT 4—FEET MAXIMUM SPACING. IF FACTORY PREASSEMBLED FENCE WITH SUPPORT NETTING IS USED, SPACING OF POST MAY BE INCREASED TO 8 FEET MAXIMUM. 2. WHEN TWO SECTIONS OF FILTER FABRIC ADJOIN EACH OTHER, OVERLAP 6 INCHES AT THE POST, FOLD TOGETHER, AND ATTACH TO THE POSTS. 3. REMOVE SEDIMENT DEPOSITS WHEN SILT DEPTH REACHES ONE—THIRD OF THE HEIGHT OF THE FENCE. FILTER FABRIC FENCE X� FF X SYMBOL 1. SET POSTS AT REQUIRED SPACING AND 2. SECURE MESH FENCING TO POSTS DEPTH. EXCAVATE 6" x 6" TRENCH UPSLOPE ALONG THE LINE OF POSTS. 2"x2" WOODEN POST OR EQUIVALENT z �0 I I o Z M EXTENSION OF FABRIC 3. ATTACH FILTER MATERIAL TO WIRE FENCE AND INTO TRENCH. EXTEND IT INTO THE TRENCH. BACKFILL AND WIRE COMPACT THE EXCAVATED SOIL. FILTER FABRIC FLOW — COMPACTED 6" BACKFILL MIN. ALTERNATE V—TRENCH EXTENSION OF FABRIC INTO TRENCH Wif FILTER FABRIC FLOW _ COMPACTED BACKFILL P!� GENERAL NOTES: 1. SECURELY FASTEN MESH FENCING TO POSTS WITH STAPLES OR TIE WIRES. 2. SECURELY FASTEN FILTER FABRIC TO MESH FENCING. 3. WHEN TWO SECTIONS OF FILTER FABRIC ADJOIN EACH OTHER, OVERLAP 6 INCHES AT A POST, FOLD TOGETHER, AND ATTACH TO A POST. 4. REMOVE SEDIMENT DEPOSITS WHEN SILT REACHES ONE—THIRD OF THE HEIGHT OF THE FENCE IN DEPTH. REINFORCED FILTER FABRICBARRIER X � RFB � X REVISIONS SYMBOL OqTE NatitE 7,_02, MESH OR FILTER FABRIC '-0" 5 0 �4,_0„� I I °I I I 4�_0„ 1 "I I 1 USE 1 /2 IN BOLTS TO 7' — 0" " SECURE SIGN AND PLEXIGLAS TO POSTS (3 PER POSTS) 4 IN x 4 IN PRESSURE 2' - 6 " TREATED POST I II --- LEFT SIDE NOTE: - CONSTRUCT IN ACCORDANCE WITH HCFCD SPECIFICATION SECTION 01580 — PROJECT SIGNS. i II 11 u u FRONT SWPPP / BMP SIGN AND CONSTRI. WOOD OR METAL POST SITE NOTICE HOLDER DETAILS INLET EXTENSION OF FILTER FABRIC INTO TRENCH. WIRE FILTER FABRIC POST FLOW m//�V z A A COMPACTED SOIL REINFORCED FILTER FABRIC BARRIER WOOD OR METAL BEAM MIN SECTION A -A PLAN SEE REINFORCED FILTER FABRIC BA)EREQUIREMENTS R DETAIL FOR REINFORCED FILTER FABRIC BARRI L VARIES 1/3 L INTERCEPTOR STRUCTURE AND NOTES: INLET PROTECTION (SEE DETAIL D').. 1. FOR SOD ROLLS, 24 INCHES W )E, BACKSLOPE SWALE TWO ROWS STAGGERED SOD PANELS TYP. PLACE STAPLES ON 24 INCH CI NTERS NEAR THE EDGES. STAGGER STELES ON OPPOSING SIDES. PLACE AC )ITIONAL 50 FT. 20 n I_ INTERVALS I f�„I 20 50 FT. 1 Fj; I INTERVALS I STAPLES IN CORNERS AT ENDS OF ROLL �UJ I r AS NEEDED-r ' r-� -r"AS NEEDED' AND ONE IN MIDDLE AT BOTH I NDS OF ROLL. PROP. TOP OF SLOPE 2. PROVIDE STAPLES PER SPECIFIC %TION SECTION NO. 02922—SOD. SEE DETAIL "A" 3. SOD ROLL AS SHOWN IN DETAIL "C" EQUIVALENT TO TWO ROWS OF ;OD PROP. TOE PANELS. OF SLOPE _ IJ STAGGERED MIN. TWO ROWS 1 ' - 6" SOD PANELS (TYP.) PLAN 24 IN. 24 IN. SI D RO .LS 1 6SN STAGGERED SOD p p p p SoPANELS (2 MIN.) z p p p p p "U" Sao STAPLES CSN HOLDER Sao 0o p p N "U" STAPLES � � "U" c p p pppfff STAPLES ►� 12 IN. 24 IN. 45' SEE DETAIL B . U STAPLES DETAIL "A" DETAIL "B" PROP. TOE OF DETAIL "C" SLOPE OR NORMAL MPX WATER SURFACE 20 PROP. TOP OF SLOPE FOUR ROWS 20 F� MPX SOD PANEDLS MPX. TWO ROWS STAC 3ERED 20 F� SOD —sgssoo SOD PANELS SOD SEE DETAIL "A"FLOC �� FLOW HYDRO MULCH SLOPE WHERE NO BACKSLOPE SWALE BETWEEN SOD ROWS EXISTS OR FOR PAVED CHANNEL, PLACE A DOUBLE ROW OF SOD PANELS AT TOP OF SLOPE. DETAIL "D" SECTION INTERCEPTOR STRUCTURE soo IP D & INLET PROTECTION SYMBOL SYMBOL DETENTION POND &e BERM SODDING EXISTING GROUND 50'PUBLIC MIN. � RIGHT—OF—WAY 8" MIN. PERMEABLE, SEPARATION GEOTEX1LE GRADED TO PREVENT, FABRIC FOR FULL WIDTH AND LENGHT OF EXIT RUN—OFF FROM LEAVING SITE PROFILE PROVIDE APPROPRIATE TRANSITION BETWEEN STABILIZED CONSTRUCTION ENTRANCE AND PUBLIC RIGHT—OF—WAY 50'-0" MIN. 7 EXISTING GROUND PUBLIC RIGHT—OF—WAY SANDBAGS PLACED SNUGLY AROUND INLET F� EXISTING CONCRETE CURB AND PAVEMENT PLACE BAGS SNUG AGAINST CURB —EXISTING INLET SEE CONSTRUCTION HP IDBOOK SECTION 4.3.4 FOR SANDBAG DESIGN AND IAINTENANCE REQUIREMENTS O� F� GENERAL NOTES: 1. BAGS OR WATTLES CAN BE USED FOR THIS APPLICATION. 2. PROVIDE WOVEN OR UNWOVEN GEOTEXTILE FILTER FABRIC FOR BAGS. 3. PROVIDE COARSE SAND AND AGGREGATE MIX FOR FILL MATERIAL FOR BAGS USE ONLY PARTICLES CONSISTING OF CLEAN, HARD, DURABLE MATERIALS FREE FROM i DHERENT COATINGS, SALT, ALKALI, DIRT, CLAY, LOAM, SHALE, SOFT OR FLAKY MATERI LS, OR ORGANIC. AND INJURIOUS MATTER. 4. REMOVE SEDIMENT DEPOSIT WHEN THE SEDIMENT HAS ACCUMULATED TO Ot,:—THIRD THE HEIGHT OF THE BARRIER. INLET PROTECTION BARRIERS FOR STAGE 11 INLETS IPB SYMBOL CONSTRUCTION HANDBOOK= H. CARLOS SMITH STORM WATER MANAGEMENT HANDBOOK FOR CONSTRUCTION ACTIVITIES PREPARED' BY ENGINEERS AND SURVEYORS, INC. Cl CITY OF HOUSTON, HARRIS COUNTY, AND P.O. Box ;ze EX N. 7571HWY146 HARRIS COUNTY FLOOD CONTROL DISTRICT, L) 71-422 TEXAS 81) 4 2001 EDITION. PH. (280 471-4226 FAX (281) 471-4228 No. �5A4�'+ P""ESTORM WATER POLLUTION PRE /ELATION PLAN HA RRIS COUNTY aanwN er sNEEr oEscRrnal: roe No N.C.F.C.D. DETAILS 3642-07 CKa BY. RL-, NWE SWPPP ED DI DEEDI D D DEPARTMENT 783 n f Q� aM N.T.S. � SN7Nb. f X Y� l0f 1 1 /01 /01 4 OF 4 STAKE WATTLE OR WEIGH DOWN COARSE AGGREGATE — 3" TO WITH SANDBAGS 5" GRANULAR FILL (BROKEN PLAN VIEW INLET CONCRETE IS NOT PERMITTED) 4" II I I FLOW _ II IIIII ( II II 4" INLET MWOOD ETAL POST 2,-0" // Iillillilllllilll ) I " GENERAL NOTES: / r''. „ \ �/ / :N,:: A A WOOD OR 1. MINIMUM LENGTH IS AS SHOWN ON CONSTRUCTION DRAWINGS OR 50 FEET, WHICHEVER IS MORE. • METAL BEAM ��\ /`�/ ;y�,;•;• 2. CONSTRUCT AND MAINTAIN CONSTRUCTION EXIT WITH CONSTANT WIDTH ACROSS ITS LENGTH, INCLUDING ALL POINTS OF INGRESS OR EGRESS. 3. UNLESS SHOWN ON THE CONSTRUCTION DRAWINGS, STABILIZATION FOR OTHER AREAS WILL HAVE THE SECTION A —A SAME AGGREGATE THICKNESS AND WIDTH REQUIREMENTS AS THE STABILIZED CONSTRUCTION EXIT. 4. WHEN :SHOWN.lON THE CONSTRUCTION DRAWINGS, WIDEN OR LENGTHEN STABILIZED AREA TO WATTLE STAKED ACCOMMODATE`A.:TRUCK WASHING AREA. PROVIDE OUTLET SEDIMENT TRAP FOR THE TRUCK WASHING WITH 2 STAKES PER AREA. . BALE OR WEIGHTED WITH SANDBACS 5. PROVIDE PERIODIC::TOP DRESSING WITH ADDITIONAL COARSE AGGREGATE TO MAINTAIN THE REQUIRED DEPTH OR WHEN SURFACE BECOMES PACKED WITH MUD. PLAN 6. PERIODICALLY TURN AGGREGATE TO EXPOSE A CLEAN DRIVING SURFACE. NOTE: 7. ALTERNATIVE METHODS OF CONSTRUCTION INCLUDE TYPICALLY STRAW BALES ARE NOT RECOMMENDED FOR INLET PROTECTION BARRIERS. —CEMENT STABILIZED SOIL: COMPACTED CEMENT STABILIZED SOIL, LIMESTONE AGGREGATE, OR OTHER FILL MATERIAL IN AN APPLICATION OF THICKNESS OF 8 INCHES. —WOOD MATS: OAK OR OTHER HARDWOOD TIMBERS PLACED EDGE TO EDGE AND ACROSS SUPPORT WOODEN BEAMS WHICH ARE PLACED ON TOP OF EXISTING SOIL IN AN APPLICATION THICKNESS OF 6 INLET PROTECTION BARRIERS INCHES. —STEEL MATS: PERFORATED MATS PLACED ACROSS PERPENDICULAR SUPPORT MEMBERS. FOR STAGE I INLETS IPB STABILIZED CONSTRUCTION ACCESS SYMBOL SC