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Home My WebLink About10-4806 W H ST DRNG IMPV------------ City of La Porte, Texas Planning Department /Engineering Division W. "H" STREET DRAINAGE IMPROVEMENTS CLP Project No. 201 O-4806 N.T.S. LOCATION MAP Not to Scale HARRIS COUNTY KEY MAP: 580E "s Louis Rigby COUNCIL Mike Mosteit Jay Martin Chuck Engelken Mike Clausen Daryl Leonard John Black Tommy Moser John Zemanek CITY MANAGER RON BOTTOMS Sheet List Table Sheet Number Sheet Title 1 COVER SHEET 2 P&P STA. 0+00 TO STA. 6+00 (NORTHSIDE) 3 HARRIS COUNTY EXPRESS REVIEW SHEET 4 DETAIL SHEET � * ...........00 ........... � j RODNEY LEE SLATON +�li SS/ONAI 1�1. Th �� F e se a peanng on this document was authorized by RODNEY LEE SLATON P.E. 90298, on 2010-4806 SHEET 1 OF 4 o W W U) ®1 21'-0" NOTE: 2'-0" 17'-0" 2'-0" s" CONIC PAVING PROP 12" X 24" TOEWALL (TYP) DRILL DOWEL HOLES INTO EXISTING CONC. _ 3 „ FIN GIRD .(APPROX 5 -0 EL = 12. 3 REINF W/ #4 PAVEMENT ON 12 CENTERS. PLACE #4 12" EW tEL = 13_33 - - - o - -- � ---- -- 24" 12" N 1 Z .. mLw a 12' � o„� 2#4 v o SECTION B - B m o 0 0 w " " ~ _ a PROPOSED OVERFLOW WEIR DETAIL o aaa-- 0 1 in REBAR IMBEDDED 24 INTO EXISTING SLOP w PAVING. BEND #4 REBAR INTO STIRRUP AROUND PROPOSED REBAR. POUR IN N PLACE. GROUT AROUND ANULAR SPACE. T W Z -I j Do W J LJ \ H wa Q ��m0-'_J 0 0 0 _J 2O Cn O_ 0 0 -Cn E-�C.J I- Cn 1- 0 UM- 5n R w w w Lx w N.T.S. L 30'-0" X;x X X <X�cXX W X X x Rx � ww w w wwwww w w w w lilw EXIST. 36" I RCP (2) W PROP. CONC. WEIR ROW -/ GAS LINE PROP. REGRADE DITCH (SEE DETAIL THIS SHEET) m EXIST. coNc. to E IST. 36" RCP AE ZONE PLAN i PARKING LOT I I i Im - - ---- ------------- ROW ----------- ----------------------- -------I- ------; F - _ > -' J i : ( ROW --------- --- \ .'-••• OH F nu OHE - ONE OHE - OHE OHE E OHE e= 01 _� ..-E....�►.... ...- �... �... I .. .�... a. „H„ . STREET EXIST. 24 RCP I I ------- - �'-�-~ ----�----- ------ - --- - -- -- -- - - - - - - - - - - t II EXIST. 24" RCP -.� - - - I II r W - - _, \`\V %� o EXIST. ASPHALT _ ------ / �y - - - -, - - - PARKING LOT - f Cn i -- --------- --•------------------------ --------------------- -------- -- I ------------------------- -----------' ROW ROW EXIST. MH ' � I CO F ROV P EXIST. 24" RCP TOP=13.86 �p EXIST. MH E 10" RCP FL=5.55 5 ( ( o ' t TOP=14.50 W 10" RCP FL=5.55 �J � E '10" RCP FL=5.85 S 8" RCP FL=5.70 0I i W 10" RCP FL=5.87 I I M STANDARD HCFCD NOTES FOR CONSTRUCTION DRAWINGS W 8" RCP FL=5.82 m N 8" RCP FL=5.87 -{ 1. Notify the Harris County Flood Control District, Property Management Department in writing at least 48 hours prior to construction. Submit the HCFCD 48 hour pre- m 0 1- CO Cn w construction notification form and a copy of the approved construction drawings to t,-I a a_j� C) m F- m 0 m W 0 v Z w 0 w � HCFCD, 9900 Northwest Freeway, Houston, Texas 77092, Ann.: Property Management > i �Y _J 0 w 0 v 0 0 � lr Of Department. � Ld H 0 Y H ~ - 2. Engineer shall submit certification letter and record drawings to the Harris County Flood o - L j t\ih Q t= 1- I� 0 v1 n Z n a- Control District, Property Management Department, requesting inspection of items N �� x x x ¢ x t in X w X X = X X X n w w V) m w 1- constructed in Harris County Flood Control District right-of-way. Prior to requesting x W NwM w W - W w W X X CO inspection the drainage right-of-way and/or easements shall be staked and flagged. w /� EXCAVATE o n r W W W N X '=w Do to X w i 3. Protect, maintain, and restore existing backslope drainage systems. 4. Backslope Swale and interceptor structure elevations and locations shown on plans are approximate. Final elevations and locations shall be field verified by the engineer prior to installation. 5. Establish turf grass on all disturbed areas within the channel or detention right-of-way, except the channel bottom and where structural erosion measures are used. Minimum acceptance criteria are 75% coverage of live Bermuda brass and no erosion or rills deeper than 4". 6. Backfill in accordance with the Hams County Flood Control District Standard Specification, Section 02313-Excavating and Backfilling, or equivalent. 7. EBGavate channel flowline to design elevation as shown on plans and downstream, as necessary, to ensure no water in storm sewer during "dry" conditions. 8. Maintain flow in channel during construction and restore channel to original condition. _ 9. Remove all excavated material from the Harris County Flood Control District or drainage Q U _ H to Z) �LW X X W 0 Cn X w w right-of-way. No fill is to be placed within a designated flood plain area without first \[�\�/� 2' - 0" obtaining a fill permit from the appropriate jurisdictional authority. 10. Obtain and comply with all applicable City, County, State, and Federal permits and appfavals, with assistance from Engineer, is necessary. PROPOSED DITCH CROSS SECTION FORTH SIDE OF WEST "H" STREET N. T. S. SCALES: 1"=30' HORIZ. 1 "=3' VERT. 18.00 I I I I --I---I -- I I I I t---I-- I I -- I---I---I I I I I -- I I f -----t I I I I --I---I I I ---j I I -- I I I I --I---I -- I I I I I ---I-- I I -- i---I---I I I I I ---I------I----I---1---1 I I I I I I I I I I -- I I I I I I I I -SOUTH 8THrtSTREETt---I-- 18.00 I I I I I I I EXIST. (:L ROADII II II II EXIS11I . EDGE II I II 16.00 ------- PROM. F--L=1-�L1I --- I ---- -- -- OF ASPHALT �oAD I III - - - - _-- - - -- - --- - - -- - -- - -- - 16.00 ISTA. d+33--II 12.33 III ---1-II1 4III -- EoXIST. CE?TERLINE 14.00 --24 -_--_•tII ----1 -Ste�8-/11II -_PROP. -�I--�II EIST. 24'I RCP - I EXI EXIST. 24, RCP T. I I I I 14.00 12.00 P-P. CONC. W IR -FL�4II I -I - -- -DITCH -- 1 I I I I I I I I I I I I I I I II II -SHE ---SE- -- I 36" RC I I I - --I-- ------ EX ST. I _ I GAS LINE 1 -I---I-- -- --_ EXI5T. GAS (LNE I 10.0010.00 8.00 I -DE-T --II I -IL I---1--4--4------4--1--4-- PROF. REdRADE -1----4---1- BITCH I I 1---1--4-4------ I EAST 24" IRCP I NOTE: -I vERIFI,,LamTi4&D 8.00 I I I I I I I I I I I I I I I I I I I I I I I ^ 1 FOR EJCIST. GA� LINES AND 8' WATERLINES 6.00 11 -- + --1_-�--fi _---I f I IrtI I I 1 I . -------t---I N a+t _---I1 --�-- I---I-- 6.00 I 4.00 cn IL I U) 4.00 6+00 5+00 4+00 3+00 2+00 1+00 0+00 P1 HCFCD UNIT NO. F216-00-00 IRREGULAR HCFCD FEE STRIP HCCF NO. J837176 HCFCD UNIT NO. F216-00-00 IRREGULAR HCFCD FEE STRIP LEGEND HCCF NO. J404285 P3 HCFCD UNIT NO. F216-00-00 PROPERTY LINES 30' HCFCD EASEMENT EOR VOL. 1841 PG. 211 HCDR TOa OVERHEAD ELEC. - ONE - ONE - ONE - - - WATER LINES- . SANITARY SEWER - - - - - - - _ _ _ _ - _ _ PHONE LINES - PHN - PHN --PHN - GAS LINES - GAS - GAS - GAS - TREE DRIP LINE - - - - - - - - - - - - - - - - - - - ASPHALT ® LIMESTONE �GRAVEL ❑ - I. CONCRETE EARTH SHELL ' GRASS _(g;: OF .. :* RODNEY LEE SLATON ......................... 90298 Ine seat appearing on this document was authorized by RODNEY LEE SLATON P.E. 90298, on 11-5- 1 G CiB `�. A CITY OF LA PORTE r am PLANNING DEPT.ENGINEERING DIV. 604 W. FAIRMONT PKVVY. A AB LA PORTE. TEXAS, 77571 281-471-5020; FAX: 281-470-5005 OWN: JR CK'D: RS APP'D: RS Scale: 1"=30' WEST "H" STREET Date: DRAINAGE IMPROVEMENTS OCTOBER, 2010 Project No.: EAST/WEST SIDES 2010-4806 STA. 0+00 TO STA. 6+00 S SHEET: 1 • PAVING DESIGN THICKNESS OF PAVING STABILIZED SUBGRADE TO A DEPTH OF ESIGN STRENGTH OF CONCRETE I PE AND PLACEMENT OF STEEL: DRIVEV(TAYS I. N OF DRIVEWAY APPROACHES PROPOSED 11. HAIR OUNTY STANDARD DRIVEWAY DETAIL RS ON S E APPARATUS AC ROAD ❑ REQUIRED A OWN ON SHEET(S) ❑ NOT REQUIRED TO _ CUR I. ISLANDS AND MEDIAN UIRE S 11. STANDARD 6" CUR PR ❑ 4" x 12" CURBING TRAFFIC I. MEDIAN CUTS I ❑ NO MEDIAN CUT OR R All ❑ MEDIAN MODIFICATIO E SH I :1. _EFT RIGHT T LANE ❑ NO LEFT / RIG RN LANE IS ' ❑ LEi /RIGHT LANE )S SH III. TRAFFIC CJROL PLAN m EXCEPT AT MEDIANS AND ISLANDS IDERATIONS S PROPOSED ,ON SHEET ❑ NO WORK E RIGHT OF WAY IS PROP THAT WOULD I FERE WITH TRAFFIC FLOW ❑ TRAM NTROL SHOWN ON SHEET IV. TRA SIGNAL ❑ NO FFIC SIGNAL IS EXISTING / PROPOSED ❑ NG TRAFFIC SIGNAL DEVICES (T.C. BOXES AN N ON SHEET I OPOSED TRAFFIC SIGNAL (BY OTHERS) RAFFIC IMPACT ANALYSIS NO TRAFFIC IMPACT ANALYSIS IS REQUIRED ❑ TRAFFIC IMPACT ANALYSIS HAS BEEN APPROVED ON I 2• IWIDENTIAL / SUBDIVISION W1J. no, . ■ • ■ ► ❑ TO DETENTION PO ❑ DETENTION POND MA BY ElTO HCFCD DRAINAGE UNIT NO. ElTO HARRIS COUNTY E DITCH ROAD NAME: ❑STATIC W.S.E. ® OU IS ❑ PROPOSED STOR ER IS SUBMERGND.A. STORM SEWE TTALL CAPACITY CATED TO TRACT FROM FROM D GE AREA MAP DATED: PREP BY: ACT UTFALL RATE: AGE SYSTEM FLOW RATE �W PRIOR TO DETENTION: LOW AFTER DETENTION (IF REQUIRED): 7. FLOOD CONTROL DISTRICT CRITERIA I. DETENTION SUMMARY STORMWATER DETENTION BASIN ROUTING TABLE DETENTION BASIN DRAINAGE AREA = _ ACRES RAINFALL EVENT PROBABILITY PRE -DEVELOPED PEAK POST -DEVELOPED PEAK DETENTION BASIN MAXIMUM WATER PEAK STORAGE STORAGE RATE RUNOFF CFS RUNOFF CFS PEAK OUTFLOW CFS SURFACE ELEVATION VOLUME(AC-FT)AC-FT PER AC 10% EXCEEDANCE (10-YEAR) N/A N/A N/A N/A N/A N/A '1% IXCEEDANCE (100-YEAR) N/A N/A N/A N/A N/A N/A ADDITIONAL CRITERIA FOR PUMPED DETENTION BASINS: i VOLUME OF PUMPED 1% EXCEEDANCE STORAGE VOLUME = —AC-FT _ % OF TOTAL VOLUME MAXIMUM DESIGN OUTFLOW VELOCITY INTO HCFCD CHANNEL = FT./SEC. DRAIN TIME FOR BASIN = HOURS BASED ON HEAD CONDITIONS. I STORMWATER DRAINAGE DESIGN REPORT REPORT TITLE N/A REPORT DATE N/A ENGINEERING FIRM N/A DATE OF ACKNOWLEDGEMENT BY HCFCD OR FLOODPLAIN ADMINISTRATOR N/A HCFCD PROJECT , STORMWATER DETENTION FOR THE PROPOSED WORK CONTAINED IN THESE PLANS IS PROVIDED BY OTHER PLANS: PLAN TITLE ENGINEERING FIRM DATE SIGNED BY HCFCD HCFCD PROJECT III II. HCFCD STANDARD NOTES: SEE SHEET 2 OF THESE PLANS. III. HCFCD STANDARD DETAILS: SEE SHEET 4 OF THESE PLANS. I' IV. REFER TO PLAN SHEETS Z 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.) I i NOTES: I I, COMPLETE ONLY IF HCFCD OR HARRIS COUNTY IS REQUIRING DETENTION. U. COMPLETE ONLY IF PROJECT HAS WITHIN IT OR IS IMMEDIATELY ADJACENT TO AN EXISTING OR ( PROPOSED HCFCD MAINTAINED CHANNEL OR DETENTION BASIN. I I III. COMPLETE ONLY IF PROJECT INCLUDES NEW OUTFACE, 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 T AN EXISTING OR PROPOSED PUSUC DRAINAGE CHANNEL OR DETENTION BASIN. I FREQUENCY (CFS) (CFS) 3XOMMERCIAL / OTHER SITE ❑ kDVEEVLEOLOPMENT AREA: ❑ RPMENT AREA (AMOUNT INCREASED IMUS AREA): II. DETENTIO UME NEW AR EAA XCRE FEET 1-1DETENTION REQUIRED EA PROPOSED VOLUME =\—EFEET III, OUTFALL DUVALL TO ❑ H.C. ROADSI TCH ❑ EXISTING H.C. M R ❑ OTHER ROADSIDE DITCH OUTFALL: ALLOWABLE OUTFALL RATE _ PROPOSED OUTFALL RATE: ❑ STORM SEWER OUTFALL CAPACITY ALLOCATED T CT FROM D. P: FROM DRAINAGE AR DATED: PREPARED BY: . _ ACTUAL OUTFALL — IV, PUMPS LT1Es VOLy Ty FLOWS: VOLUMPED: ENTITY INTO ROADSIDE DITCH OR R: PUMIONS AND OPERATING PLAN APPET V. FLOffESTRICTOR S ZE ALL PIPE SIZE TRICTOR PIPE SIZE: $" FLOOD PLAIN STATUS I. GENERAL INFORMATION FIRM PANEL(S) FOR PROPERTY: 48201CO945L FIRM PANEL(S) DATE: JUNE 18, 2007 STATUS OF PROPERTY ON MAP ❑ ENTIRELY LOCATED IN UNSHADED ZONE "X" ® LOCATED PARTIALLY IN ANY "A" ZONE OR SHADED ZONE "X", DELINATE FLOODPLAIN BOUNDARY ON CONSTRUCTION DRAWINGS (DRAINAGE LAYOUT PG. N0. 2 ) (BASE FLOOD LEVELi_ 4.20 ) ❑ LOCATED ENTIRELY IN ANY "A" ZONE OR SHADED ZONE "X", (INDICATE BASE FLOOD LEVEL ) ❑ LOCATED IN THE 10-YEAR FLOODPLAIN ❑ LOCATED IN CYPRESS CREEK LOMR 08-06-2369P (INDICATE BASE FLOOD LEVEE _) ❑ SITE REMOVED FROM FLOODPLAIN BY LOMA OR LOMR-F CASE NO. ❑ OTHER NOTE: CITY OF LA P ELEVATION INFORMATION A MINI TRATOR.RTE IS FLOODPLAIN BENCHMARK USED ® HARRIS COUNTY FLOODPLAIN REFERENCE MARK ❑ HARRIS-GALVESTON COASTAL SUBSIDENCE DISTRICT BENCHMARK (FOR COASTAL AREAS) DESCRIPTION OF BENCHMARK INCLUDING ELEVATION DATUM MAND RKER YEAR OF ADJUSTMENT pool ADD.) FLOODPLAIN REITRENCE # 060020. ELEVATION 12.97. LOCATED ON F216 BRIDGE ALONG FAIRMONT PARKWAY. 11, FLOOD PLAIN DETERMINATION BASED ON GROUND ELEVATION ❑ PROPERTY LIES ENTIRELY ABOVE THE BASE FLOOD LEVEL AND IN SHADED ZONE "X" ® PROPERTY LIES PARTIALLY OR ENTIRELY BELOW THE BASE FLOOD LEVEL III. FLOODPLAIN STORAGE SUMMARY (APPLIES ONLY TO PORTION OF LAND LOCATED WITHIN FLOOOPLAIN 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 14.2 (2001 ADJ.) 0 CUBIC YARDS B. TOTAL VOLUME OF MATERIAL PROPOSED TO BE REMOVED FROM THE FIRM DELINEATED FLOODPLAIN: i.e., BELOW ELEVATION 14.2 (2001 ADJ.) 12 CUBIC YARDS NOTES, I. COMPLETE FOR ALL PROJECTS If. COMPLETE ONLY IF PROJECT IS ADJACENT TO 100-YEAR FLOOD PLAIN IV. ❑LOMR REQUIRED I VERIFIED BY: I i T I VERSION 11.0 AUGUST 4, 2009 (CFS) (CFS) (CFS) ACRE FEET ACRE FEET 4. ❑ ICIPALI ❑ M PAL ❑ 0TH IS ❑ PPIVAT ❑ PRIVATE ❑ INDIVIDUAL ❑ OTHER: _ 5, DESCFJPTION OF PROPERTY I. LEGAL DESCRIPTION A. ACREAGE: N/A B. ❑ SUBDIVISION: N/A ❑ SURVEY & ABSTRACT: N/A C. ADJACENT ROADS: "H" STREET & SH 146 If. rRuur Vr umrtiuiII ❑ LETTER FR/slOSN NPLIANNING SERVICE IL PLATTING AND CONNA. SUBDIVISION PLAT ❑ TCEQ APPAND ❑ PROPOSED PLAT / REPLAT PERMIT FO ❑ RECORDED PLAT / REPLAT ❑ OSSF SUT PLAT NAME: _ PLAT NUMBER ❑ NO PLAT REQUIRED F FLOW B. STREETS PROPOSED ❑ PUBLIC IDENTIAL: LOTS OR ❑ PRIVATE MMERCIAL: AVERAGE DA LOW ❑ PUBLIC & PRIVATE [__1 NONE HER: III. JURISDICTIONS NOS; ❑ CITY OF HOUSTON- 1. COMPLETE FOR ALL PROJECTS ® CITY OF LA PORTE If. COMPLETE FOR ALL PROJECTS. ❑ ETD, CITY OF HOUSTON III. COMPLETE ONLY IF TCEQ DISCHARGE PERMIT IS PROPOSED ❑ ETJ, CITY OF ❑ NO ETJ 9• WORK IN HCFCD RIGHT-OF-WAY I. TYPE OF WORK TO BE PERFORMED IN CHANNEL ❑ OUTFALL ❑ UTILITY CROSSING ❑ ROADWAY BRIDGE / CULVERT CROSSING ❑ FILL ACTIVITY ❑ REHABILITATION OF CHANNEL ® MAINTENANCE ❑ TEMPORARY CROSSING ❑ OTHER 11. PERMIT ® US ARMY CORPS ENGINEERS NATIONWIDE PERMIT NUMBER(S) 7 ❑ US ARMY CORPS OF ENGINEERS INDIVIDUAL PERMITS ❑ OTHER ❑ NO PERMITS REQUIRED EXPLAIN: III. REFERENCE / BASIS OF DETERMINATION ❑ ENVIRONMENTAL CONSULTANT REPORT BY N/A REPORT TITLE REPORT DATE ❑ OTHER NOTES' I. - III. REQUIRED ON PROJECTS WITH WORK IN A HCFCD CHANNEL PLEASE REFERENCE SECTION 17 OF THE FLOOD CONTROL DISTRICT POLICY, CRITERIA, AND PROCEDURE MANUAL FOR MORE INFORMATION. IV. HCAD ACCOUNT NOS. (ALL NA V. UNOBSTRUCTED VISIBILITY EASEMENT (U.V.E.) ® REQUIRED AND SHOWN ON SHEET(S) ❑ NOT REQUIRED KEY MAP ®page(s)_ 580E *CPC 101 FORM MAY BE REQUIRED 10 SITEWORK SUMMARY HARRIS COUNTY ADMINISTRATIVE DATA (THIS SECTION TO BE FILLED OUT BY HARRIS COUNTY REVIEWER) CRITICAL FACILITY ❑ YES ❑ NO ❑ STORM WATER QUALITY ❑ DETENTION ❑ DRAINAGE SWALE ❑ CUT CU.YDS. / FILL—CU.YDS. ❑ FILL PLACEMENT —#ACRES ❑ ORGANIZED SEWER ❑ PUBLIC ❑ PRIVATE ❑ ORGANIZED WATER ❑ PUBLIC ❑ PRIVATE ❑ UNDERGROUND UTILITIES (COMBINATION WATER/SEWER) ❑ PAVING ❑ PUBLIC ❑ PRIVATE ❑ DRIVEWAY WITH CULVERT— CURB AND GUTTER— TXDOT. ❑ CULVERT_ SEPTIC ❑ NO ❑ EXISTING ❑ PROPOSED ❑ OTHER SIGN CLASSIFICATION LOCATED IN: ❑ ETJ ❑ SCENIC DISTRICT ❑ TOLL ROAD EASEMENT AUTHORIZATION ❑ LETTERS I%hwhlm RAMPS / SIDEWALK AAO CURB SIDEWALKS A. HOME BUIL B. DEVELOPER C. H.O.A. D. OTHERS _ ❑ YES ❑ NO ❑ NO ❑ YES Q YES 12 LAMKCAPING C UIRED AND SHOWN ON SHEET(S) NOT REQUIRED NOTES: A PERMIT IS REQUIRED FOR EACH SCOPE OF WORK ON SITE. A NOTIFICATION IS REQUIRED FOR EACH SCOPE OF WORK IN HC OR HCFCD ROW. REFER TO www.eng:hctx.net/permits FOR EACH SCOPE OF WORK IN HC OR IN HCFCD ROW. HARRIS COUNTY owl ROD V, 9 N 0298 DEPATMENT PUBLIC INFRASTRUCTURE-AL;o�_ EXPRESS REVIEW SHEET (. STORM WATER QUALITY I. CONST-?L(-ION PROTECTIVE MEASURES. ❑ SWPP? S,TE PLAN AND DETAILS ON SHEET(S) N/A II. APPLICABILITY FOR PERMANENT FEATURES. El. EXEMPT NEW DEVELOPMENT OF LESS THAN 5 ACRE PARCEL. ® EXEMPT REDEVELOPMENT A6Ann��o�ERPARR WHERE TOTAL IMPERVIOUS SURFACE (EXISTING PLUS PROPOSED) IS LESS THAN 1 ACRE. ❑ EXEMPT "GRAND FATHERED" BY AN EXISTING STORM SEWER LINE. ❑ STORM WATER QUALITY PERMIT REQUIREMENT FOR THIS PROJECT IS COVERED BY------------------- * *. ❑ "STORM WATER QUALITY MANAGEMENT PLAN" INCLUDED. SWQMP SITE PLAN ON SHEET(S) ----- ------ PERMANENT 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): NOIE.S I - II REQUIRED ON ALL PROJECTS, III IF NOT EXEMPT OR 'GRANDFATHERED' INCLUDE: PROJECT TITLE, HARRIS COUNTY PROJECT NUMBER, AND SWQ PERMIT NUMBER, OR THE NAME OF THE PERMITTING AUTHORITY IF OTHER THAN HARRIS COUNTY. HCPID SIGNATURE BLOCK PROJECT NAME: W. "H" STREET DRAINAGE IMPROVEMENTS WAS ACCEPTED BY THE FOLLOWING GROUPS FOR THE PURPOSES LISTED BELOW: ENGINEERING DIVISION BY INTERPOSE NO OBJECTION BY AS TO PAVING AND/OR DRAINAGE ONLY BY AS TO LOCATION OF ITEMS IN COUNTY RIGHT OF WAY A1 A?�IA;�d BY AS TO STORM WA QUALITY d L ADDITIONAL COMMENTS: DATE DATE DATE 11/t8'te. DATE HARRIS COUNTY FLOOD CONTROL DISTRICT -�1- - RJTERR�P�QSE NO OBJECTION DATE FOR ITEMS LOCATED OUTSIDE OF HCFCD RIGHT-OF-WAY APPROVED: BY DATE FOR ITEMS LOCATED WITHIN EXISTING HCFCD RIGHT-OF-WAY APPROVED: BY DATE FOR ITEMS LOCATED WITHIN PROPOSED HCFCD RIGHT-OF-WAY ADDITIONAL COMMENTS: Alb 9CfGb.Iu/tSa^t�1 THE PROJECT WAS REVIEWED, HOWEVER, THIS DOES NOT MEAN THE ENTIRE PROJECT, INCLUDING ALL SUPPORTING DATA AND CALCULATIONS HAVE BEEN COMPLETELY CHECKED AND VERIFIED. THESE DRAWINGS ARE SIGNED, DATED AND SEALED BY A PROFESSIONAL ENGINEER LICENSED TO PRACTICE IN THE STATE OF TEXAS, WHICH THEREFORE CONVEYS THE ENGINEER'S RESPONSIBILITY AND ACCOUNTABILITY. THIS DOES NOT RELIEVE ANY PARTY FROM COMPLYING WITH APPROPRIATE FEDERAL, STATE AND LOCAL ENVIRONMENTAL RULES, LAWS, AND REGULATIONS AND ANY OTHER LEGALLY ADOPTED REGULATION OR ORDINANCE RELATED TO LAND DEVELOPMENT. IF THE CITY SIGNATURES ARE REQUIRED BY ORDINANCE, COUNTY PERMITS WILL NOT BE ISSUED UNTIL SUCH SIGNATURES ARE OBTAINED. THESE SIGNATURES ARE VAUD FOR A MAXIMUM OF TWO YEARS. ENGINEER'S CERTIFICATION RODNEY SLATON A LICENSED PROFESSIONAL ENGINEER IN THE STATE OF TEXAS, DO HEREBY CERTIFY THAT THE INFORMATION PRESENTED ON THIS SHEET IS TRUE AND CORRECT TO THE BEST OF MY KNOWLEDGE AND THAT i AM NOT VIOLATING ANY PROVISION OF THE CURRENT TEXAS ENGINEERING PRACTICE ACT AND RULES CONCERNING THE PRACTICE OF ENGINEERING AND PROFESSIONAL ENGINEERING LICENSURE. ANY VIOLATIONS WILL BE FORWARDED TO THE HARRIS COUNTY DISTRICT ATTORNEY'S OFFICE FOR PROSECUTION. THE COMPLETED PROJECT CONSISTS OF DRAWING SHEETS 1 THRU 4 l TURU� � SEAL SIGNATURP DATE R E V I S I O N S DATE SHEET NO. DESCRIPTION H.C. APPROVES :,ATE 11-5-101 3 MODIFIED PER COMMENTS I REQUEST NO. 2009830 SHEET NUMBER 3 OF 4 i e �fTTT +ems• — •• -• a '•• PA, 05 mg IF RV 91WCA1, IF �� • a CHANNEL PILOT CHANNEL (SEE TABLE ONE BELOW) TOEWALL AT TOP OF CHAN LINING. (SEE TYP. CHAN LINING DET, BOTTOM WIDTH V INCHES SEE TYP. CHANNEL LINING DETAIL. SEE NOTES 1 AND 2. A. SEAL SLAB TYPE A WEE LE. SEE NOTE 5. SEE WEEP DETAILS. OHLF SECTION 2 FEET M I TOP OF BANK LINING '4N SEE NOTE 9. SECTION SECTION 8 MIN IN. •;—;-.. TYPICAL CHANNEL LINING DETAIL TYPE "A" WEEP HOLE TYPE "B" WEEP HOLE y REINF. STEEL SYMMETRICAL a ®BARS INCHES CONTINUOUS DRAINAGE GEOTEXTILE TYP. ABOUT O.C. (EACH LAYER) 4 FT. MIN. GEOTEXTILE TYP. GEOCOMPOSITE WITH 8 OZ. � - a �� ,-- Z d A a 4 � ALL AROUND - NON -WOVEN GEOTEXTILE. �Z Q" TRIM PIPE FLUSH 4 IN. DIA. PE y; \�j WITH CHANNEL 7 TYPE B WEEP HOLE. SEE WEEP HOLE DETAI TYPICAL TRAPEZOIDAL CHANNEL LINING TABLE ONE B WIDTH PILOT CHANNEL WIDTH BW FLAT BOTTOM BW _ 1 ___ 20 FT 6 FT BW > 20 8 FT i PILOT CHANNEL (SEE TABLE ONI i i zl IN. SEE TYP. CHANNEL LINING DETAIL. V; TYPE B WEEP HOLE AT FT. O.C. SEE WEEP HOLE DETAILS. ISEE DETAIL B. IN. NINE01iffix affaw 07111122 AT FEET D.C. DETAIL B SEE WEEP HOLE DETAILS. OPTIONAL KEYED JOINT. NOTE: STRUCTURAL ® BACKFILL MATERIAL TO BE . UrVAININLL_ L.IINIINU NHLr bLU I IUIN CONCRETE CHANNEL BOTTOM SEAL SLAB SEE NOTE 5. ® FT. (SEE NOTE 6) TREAD IN. 1 RISE [in �-CONCRETE LINING THICKNESS STAIR DETAIL CMG .oi��wo�ri0oo�-. NNW or, SIDE SLOPE, MIN. 41 FOOT VERTICAL !o, imp-,VSEE 5, AT TOE OF SLOPE. PF AM • i= NOTE APPLY CON 3/4 v�LLLVA ' 1UN lop & BOTT TINUOUSLY TYPE "C EP HOLE WEEP HOLE NOTES: , SECTION 1. MATERIALS: VANIZED NUTS VASHERS ON a. PIPE: 4 INCH DIA. SCH. 40 PVC d. FILTER FAB 2 X 6 IN. b. DRAIN GRAVEL: SIEVE SIZ FINER NON-W OVEN G E OR EQUIVALENT, 1 100 MIN. ADS 0. GR LACED T 70 - 100 MAX. ADS SIEVRVA_ IGH PI NO. 4N 20 - 60 WEIGHT OZ/SY _ NO. 8 0 2. CUT WEEP HOLE PIPE FLUSH WITH E SURFACE. c. HARD W OTH: MIN. OPEN MAX. OPEN 3. TYPE "A" AND "C" WEEP HOLES FOR ECTANGULA 1/8 IN 1/4 IN CONCRETE CHANNEL LINING. TO BE STAGG WEEP HOLE DETAILS PIPE OUTFACE NOTES F STING CHANNEL LINING GENERAL NOTES: 1. WHEN PLACING THROUG TING CHANNEL LINING, SAW -CUT 1 INCH EMOVE 4 FEET 1. STRUCTURAL CONCRETE FOR CONCRETE CHANNEL LINING AND NONSTRUCTURAL CONCRETE FOR SEAL SLAB 2. ALL AROUND. EXPOSE A MIN. OF 18 INCHES EL. SHALL BE IN ACCORDANCE WITH SPECIFICATION SECTION NO. 03310-CONCRETE. 2. REINFORCING STEEL SHALL BE IN ACCORDANCE WITH SPECIFICATION SECTION NO. 03310-CONCRETE. -S 3. EXCAVATION AND BACKFILL FOR CONCRETE CHANNEL. LINING. SHALL BE IN ACCORDANCE WITH SPECIFICATION SECTION NO. 02316-STRUCTURAL EXCAVATING AND BACKFILLLING. 4. RIPRAP SHALL BE IN ACCORDANCE WITH SPECIFICATION SECTION NO. 02378-RIPRAP AND GRANULAR FILL. 3/4 INCH 5. A NON -REINFORCED 4 INCH MINIMUM NONSTRUCTURAL CONCRETE SEAL SLAB WILL BE REQUIRED BENEATH THE BOTTOM OF CONCRETE CHANNELS. 6• STRUCTURAL CONCRETE GRADE BEAMS SHALL BE INSTALLED TRANSVERSLEY AT 20 FOOT MAX. CENTERS ON CONCRETE LINED CHANNELS WITH BOTTOM WIDTHS EQUAL TO OR GREATER THAN 20 FEET. 7. JOINTS: 6 IN. A PLACE CONSTRUCTION AND/OR EXPANSION JOINT IN CONCRETE LOW -FLOW AND TRAPEZOIDAL BOTTOM 1 FT. DOWELS ON SECTIONS AT 20 FOOT MIN., 60 FOOT MAX. SPACING CONTINUOUSLY THROUGH CHANNEL LINING. IN. CENTERS. B. PLACE CONTROL JOINT ON SLOPES AT 20 FOOT SPACING. 8. CEMENT STABILIZED SAND SHALL BE PROVIDED AND PLACED IN ACCORDANCE WITH SPECIFICATION SECTION NO. 02321-CEMENT STABILIZED SAND. GREASE & WRAP 0 D OF 9. DELETE 2 FT FLAT EDGE WHEN LINING IS BELOW TOP OF BANK. SEE MID -SLOPE LINING DETAIL. DOWEL WITH FE USE FILTER FABRIC. SEE 10. UPSTREAM AND DOWNSTREAM TOE WALL 3 FOOT MIN. DEPTH AT BOTTOM OF SLOPE AND 8 INCHES THIICK. PLASTIC SLE PLACE IN WEEP HOLE NOTES. 11. #4 AT 12 INCH O.C. MINIMUM OR EQUIVALENT WELDED WIRE FABRIC. CENTER 0 ANSI 0 N JOINT THIS DETAIL SHEET HAS BEEN PREPARED FOR USE ON HCFCD PROJECTS OR PROJECTS TO BE MAINTAINED BY THE HCFCD WHEN COMPLETED BY OTHERS. AN ENGINEER WHO INCORPORATES CONTINUOUS STEEL THE DETAILS ON THIS SHEET BECOMES RESPONSIBLE FOR ITS USE IN THE END PRODUCT IN ACCORDANCE WITH RULE §137.33 (b) AND (c) OF THE TEXAS STATE BOARD OF REGISTRATION FOR PROFESSIONAL ENGINEERS. FILTER FABRIC SEE WEEPHOLE NOTES. LCTION JOINT HALF JOINT (SLOPES ONLY) CONTROL JOINT X'o-&`�� t�� 11-51,G� P.E. SEAL AND SIGNATUARE J Q 0 CD z F— J 0 U LW Li z W z 0 D 0 Q � n 0 Lij Ld CU z 0 U 0 0 w o w ril w > ry 0- U w w w U Q Morris County flood Control Dishid 9900 Northwest Freeway Houston, Texas 77092 DATE: 08-31-05 SCALE: NTS SHEET NUMBER 4 OF 4