Loading...
HomeMy WebLinkAbout20170613101804743R. PROP. WORK (BY OTHERS) REF. HC#16081200R PROJECT# 00042-031 1! Site Data Table Amendment Table Name of Development: Port Crossing Rail Extension Phase II Description of Proposed Modifications/ construction includes: Date of Approval Type of Development: Proposed Construction is for Private Road and Storm Sewer and Detention Pond Legal Description of the Site: Called 18.928Acres Blueflash Express Inc. Vol. 3961, PG 259, H.C.D.R. Private 7" Concrete Roadway Construction Private Storm Sewer Address of site as assigned by the City 16085-k6rITIr, La Porte Texas 77571 i9oo ves* Farn«If Pwwovi Detention Pond Zoning of the site: LI & GC IStorm Water Lift Station Name of owner/or authorized representative National Property Holdings LP Name of developer and engineer Ward, Getz, & Associates LLP Harris County Appraisal District Property Numbers: 0440510000035, TRS 6B, 6C, 6D, 7A, 7b & 7C ABST 625 R Pearsall NAICS number for use of the property: N/A Square footage of site proposed to be developed: 824,503 SQ. FT./ 18.928 Acre FLOODPLAIN STATEMENT NO PART OF THE SITE LIES WITHIN THE FEMA IGO YR FLOODPLAIN AS DELINEATED ON FEMA FIRM MAP NO.44ZQIC0945M DATED JAN. 6, 2017._. SITE PLAN ACCURACY CERTIFICATE SITE PLAN ACCURACY CERTIFICATE 1, KEN SHEBLAK AM REGISTERED UNDER THE LAWS OF THE STATE OF TEXAS TO PRACTICE THE PROFESSION OF ENGINEERING AND HEREBY CERTIFY THAT ABOVE SITE PLAN IS TRUE AND CORRECT; AND THAT ALL BEARINGS, DISTANCES, ANGLES. CURVE RADIUSES, AND CENTRAL ANGLES ARE ACCURATELY SHOWN ON THE PLAT. z/yS//z_ TEXAS REGISTRATION NO.79787 4• City Approving Authority Certificate: Minor Development Site Plan: This is to certify that on 1 a� day of (11 1 : 20_Xl the City of LaPorte, Texas, has approved this site plan and development of _ Port Crossing Rail Extension _ in conformance with the ordinances of the City of LaPorte. Phase 11 By: /y^ Directo nning evelopment City Planner Engineering Manager Nome-� C,r�ss�n� ��;1 F�x�. �► Aj : }" (j,,4! 1� 9xg Aan W"Jasti GXP�cSs IF ANY EXISTING UTILITIES REQUIRE AN ELEVATION ADJUSTMENT DUE TO THE PROPOSED DEVELOPMENT, THOSE ADJUSTMENTS WILL BE THE RESPONSIBILITY OF THE CONTRACTOR AT THE DEVELOPER'S/CONTRACTOR'S EXPENSE. THIS PERTAINS TO STORMWATER INLETS, MAIN OR MANHOLES, WATER OR SANITARY SEWER MAIN, SANITARY MANHOLES OR CLEANOUTS, FIRE HYDRANTS OR VALVE BOXES. ALL UTILITIES WILL BE ADJUSTED IN CONFORMANCE WITH CITY SPECIFICATIONS. SCALE: 1" = 100' THE CITY WILL NOT ACCEPT MAINTENANCE OF ON SITE FACILITIES THAT SERVE ONLY ONE TRACT OR DEVELOPMENT, UNLESS IT IS DETERMINED TO HAVE OTHER PUBLIC BENEFITS, IS RECOMMENDED BY STAFF AND APPROVED BY THE PLANNING AND ZONING COMMISSION. (REF. SECTION 5.5.4 OF THE CITY'S PUBLIC IMPROVEMENTS CRITERIA MANUAL) RAIL LOGIX LA PORTE 1040 S. FM 565 BAYTOWN, TX 77523 832-373-7509 II E o E PDRT w '0 N NORTH EAST a MADISON FLINTROCK r=- D s r kkm TY 09'pp OAr�O'A6 D MS .-, a~o v�i P LK N Oy dP ZG �O N � M IN m L P Gv r9r0 0�20�ya `F' HIGHWA x 0.6 SPENCER _ A 'P9 C LA PERTE x mF C.e�gfr D DOGWOOD Pop 27,910 n= E � F IDLEWO❑D i F I MULBERRY 7y OLLINGSWOO n 4 BIRCH x H ry MESQUITE ZOZ "a N p = O 1 I W FAIRM❑NT PKWY y0 Y R o Q Q w m a o o GR w Cy t'F Porte w o Fg FFp e tery S D Sy< a GAD N Little P RFS qN Gq W LK AOq Cedar Bayou OIFC <v,A Park gjFC Bay a Forest Golf a Course SITE GAL VICINITY MAP KEY MAP NO. 580 E ZIP CODE 77507 FLOOD PLAIN NOTE & BENCHMARKS: ALL ELEVATIONS SHOWN HEREON ARE BASED ON FLOODPLAIN REFERENCE MARK NUMBER 060020, BEING A ALUMINUM DISK STAMPED RM F 216 BM-03, LOCATED ON THE FAIRMONT PARKWAY APPROX. 0.1 MILES EAST OF HIGHWAY 146. HAVING A PUBLISHED ELEVATION OF 12.97 FEET/NAVD88 (2001 ADJUSTED.) TEMPORARY BENCHMARK 'A' (T.B.A. A) 15.68' = BEING BOX CUT ON AN STORM INLET LOCATED ON THE WEST SIDE OF POWELL ROAD AT THE INTERSECTION OF POWELL ROAD AND EXPORT DRIVE. (AS SHOWN HEREON) ACCORDING TO THE FEDERAL EMERGENCY MANAGEMENT AGENCY (FEMA), FLOOD INSURANCE RATE MAP (FIRM) FOR HARRIS COUNTY, TEXAS, MAP NO.48201 C0945M REVISED/DATED JANUARY 6, 2017, THE SUBJECT TRACT APPEARS TO LIE WITHIN SHADED ZONE "X". THIS DETERMINATION WAS DONE BY GRAPHIC PLOTTING AND IS APPROXIMATE ONLY, AND HAS NOT BEEN FIELD VERIFIED. THIS FLOOD STATEMENT DOES NOT IMPLY THAT THE PROPERTY OR STRUCTURES THEREON WILL BE FREE FROM FLOODING OR FLOOD DAMAGE. ON RARE OCCASIONS FLOODS CAN AND WILL OCCUR AND FLOOD HEIGHTS MAY BE INCREASED BY MAN-MADE OR NATURAL CAUSES. SHEET NOTES: DEMOLITION KEYNOTES STORM SEWER DEMOLITION: 810 STORM SEWER TO BE REMOVED. 11 INLET / STUCTURE TO BE REMOVED. PAVEMENT DEMOLITION: 840 GRAVEL TO BE REMOVED 41 ASPHALT/CONCRETE TO BE REMOVED. MISCELLANEOUS DEMOLITION: 50 DITCH/SWALE TO BE REMOVED (MUCKED & FILLED) (TO BE FILLED IN 6" LIFTS & COMPACTED TO STANDARD PROCTOR DENSITY) 51 FENCING TO BE REMOVED. 52 ELECTRICAL TO BE REMOVED 53 TRUCK SCALE & BUILDING TO BE REMOVED LEGEND: EX/STING PAVEMENT • (CONCRETE/ASPHALT AS NOTED) PROPOSED 7"CONC. PAVEMENT 0 OF J'FF`,��\,l K.L. SHEBLAK 6/6/17 M�0 WARD, GETZ & ASSOCIATES, LLP CONSULTING ENGINEERS TEXAS REGISTERED ENGINEERING FIRM F-9756 2500 Tanglewilde, Suite 120 Houston, Texas 77063 713.789.1900 1"=100' I SL I JM SHEET C1.0 K.L. SHEBLAK 6/6/17 M�0 WARD, GETZ & ASSOCIATES, LLP CONSULTING ENGINEERS TEXAS REGISTERED ENGINEERING FIRM F-9756 2500 Tanglewilde, Suite 120 Houston, Texas 77063 713.789.1900 1"=100' I SL I JM SHEET C1.0 4 GRAVEL 4 p 4 O -------'---=----------- -- p p p------------=_-- - �ftPr = _�-4---=------------=�. ..... ..... -- o� �Q -�- - - �- - --I- o H A � V / / PROP.RIP-RAP e LLI W J I - co W E i PROP.RIP-RAP (TYP.) ---{----offF------F------+_---_-_-- v _N- }--}--}--�_- --_�'-I IF --'F--_'F'---F--'F----E'--'F_- w w �-v--v v o 0 o� Ewa �O o� ^ 6.0' CONCRETE PILOT CHANNEL to .STORM WATER LIFT STATION STORMWATER LIFT STATION PROP. MANHOLE_\ PROP.24" RCP GRAVITY OUTFALL W/ 8" RESCTRICTOR PROP.8" PVC FORCE MAIN / TOP W POND / EUW-17.0 �.M.YFaR wca, w D- 4 O v v v v __ -- DETENTION BASIN PROFILE 1� ri 4 BO% PUMPED M jj1 4 FOE 5.2 rn TOE 5.2 CROSS SECTION A -A 14 NATURAL GROUND 4 2 4 4 2 0 0 8 6 4 2 FL 4.00 FL 3.6 Ot. /+00 H.B 17.0 1 i .I' i/ i i d Z LL Ez FLOOD PLAIN NOTE & BENCHMARKS: ALL ELEVATIONS SHOWN HEREON ARE BASED ON FLOODPLAIN REFERENCE MARK NUMBER 060020, BEING A ALUMINUM DISK STAMPED RM F 216 BM-03. LOCATED ON THE FAIRMONT PARKWAY APPROX. 0.1 MILES EAST OF HIGHWAY 146. HAVING PUBLISHED ELEVATION OF 12.97 FEET/NAVD88 (2001 ADJUSTED.) TEMPORARY BENCHMARK'N (T.B.A. A) 15.68' = BEING A BOX CUT ON 0 40 80 AN STORM INLET LOCATED ON THE WEST SIDE OF POWELL ROAD AT THE INTERSECTION OF POWELL ROAD AND EXPORT DRIVE. (AS SHOWN HEREON) SCALE: 1" = 40' DETENTION SUMMARY SITE AREA = 17.00 AC OFF -SITE AREA = 2.44 AC TOTAL AREA DRAINING TO POND = 19.44 AC NOTE: DETENTION VOLUME PROVIDED IS FOR 17.00 ACRES SITE DEVELOPMENT.. 100-YR STORM PUMPED DETENTION RATE REQUIRED = 1.0 AC -FT / AC DETENTION VOLUME REQUIRED = 17.00 AC -FT DETENTION VOLUME PROVIDED = 17.00 AC -FT Q 100-YR ALLOWABLE = 3.51 CFS Q 100-YR DESIGN = 2.63 CFS 100-YEAR STORM W.S.E.L. = 16.10 FT PIPE RESTRICTOR SIZE = 8 INCH RESTRICTOR AREA = 0.349 SQ FT EXISTING CONDITIONS: DRAINAGE AREA'C1' = 5.51 ACRES EXISTING C VALUE = 0.20 TC = 10*A° t767 + 15 TC=10*(5.51)01761+15=28.51 MINS INTENSITY (2-YEAR, EXISTING) = 3.19 IN/HR EXISTING DISCHARGE RATE (Q) = 3.51 CFS RESTRICTOR SIZE 100-YEAR WSEL = 16.10 CENTER OF RESTRICTOR = 14.72 H=16.10-14.72=1.38FT. RESTRICTOR SIZE = JQ 2.25 H1'4 2.25*(1.38')"4 A = 0.768 FT PROPOSED ORIFICE DIAMETER = 8 INCHES OUTFLOW RATE PROVIDED = 2.63 CFS NAT. GRD. :V. VARIES) �3 EXIST. DITCH - EXISTING DITCH NO TO SCALE DITCH CAPACITY CALCULATIONS: A = FLOW AREA (TOP WIDTH + BOTTOM WIDTH)/ 2 X FLOW DEPTH P = WETTED PERIMETER Rh = HYDRAULIC RADIUS (A/P) N = DITCH ROUGHNESS VALUE S = FLOWLINE SLOPE Q = DITCH FLOW CAPACITY (MANNINGS EQUATION) Q = 1.486/N X (AR S" DITCH CAPACITY PRO-RATA SHARE: SITE AREA TOTAL AREA CONTRIBUTING TO DITCH FLOWS ALLOWABLE SITE RUNOFF (7 CFS X 5.51 AC/11.36 AC) 9.79 SO FT 11.51 FT 0.85 FT 0.04 0.0005 FT/FT 7.3 CFS 5.51 ACRES 11.36 ACRES 3.51 CFS ACCORDING TO THE FEDERAL EMERGENCY MANAGEMENT AGENCY (FEMA), FLOOD INSURANCE RATE MAP (FIRM) FOR HARRIS COUNTY, TEXAS, MAP NO.48201 C0945M REVISED/DATED JANUARY 6, 2017, THE SUBJECT TRACT APPEARS TO LIE WITHIN SHADED ZONE "X". THIS DETERMINATION WAS DONE BY GRAPHIC PLOTTING AND IS APPROXIMATE ONLY, AND HAS NOT BEEN FIELD VERIFIED. THIS FLOOD STATEMENT DOES NOT IMPLY THAT THE PROPERTY OR STRUCTURES THEREON WILL BE FREE FROM FLOODING OR FLOOD DAMAGE. ON RARE OCCASIONS FLOODS CAN AND WILL OCCUR AND FLOOD HEIGHTS MAY BE INCREASED BY MAN-MADE OR NATURAL CAUSES. SHEET NOTES: LEGEND: _ EX/STING PAVEMENT (CONCRETE/ASPHALT AS NOTED) 7Y 50 PROPOSED 5" CONCRETE PILOT CHANNEL EXISTING GR40E TC79.50 TOP OF CURB G79.50 GUTTER TP79.50 TOP OF PAVEMENT TG79.50 TOP OF GRATE 79.50 PROPOSED NATURAL GROUND ME79.50 MATCH EXISTING REV I DESCRIPTION I DATE T�irt��� K.L. SHEBLAK ..... ......... ..... A': 79787 :.r 6/6/17 WARD, GETZ & ASSOCIATES, LLP CONSULTING ENGINEERS TEXAS REGISTERED ENGINEERING FIRM F-9756 2500 Tangleedlde, Suite 120 Houston, Texas 77063 713.789.1900 DETENTION VOLUME & CALCULATIONS 1"=40' SL ' JM SHEET C3.0 J 0 G FLOOD PLAIN NOTE & BENCHMARKS: ALL ELEVATIONS SHOWN HEREON ARE BASED ON FLOOOPLAIN REFERENCE MARK NUMBER 060020, BEING A ALUMINUM DISK STAMPED RM F 216 BM-03. LOCATED ON THE FAIRMONT PARKWAY APPROX. 0.1 MILES EAST OF HIGHWAY 146. HAVING A PUBLISHED ELEVATION OF 12.97 FEET/NAVD88 (2001 ADJUSTED.) TEMPORARY BENCHMARK W (T.B.A. A)15.68' = BEING A BOX CUT ON AN STORM INLET LOCATED ON THE WEST SIDE OF POWELL ROAD _— AT THE INTERSECTION OF POWELL ROAD AND EXPORT DRIVE. (AS SHOWN HEREON) 0 100 200 SCALE: 1" = 100' �a z 0 _— ■'I:Q1f17F3�� N. �_ �_ r a. r•r • ::. �y � um rIm r • I M fn ®®m �� 1111 mmm 1 F 111 mm WmmmmWNWIM • , now". mmm�mw1mm i I: 1 I, WIMmmm�m�mm_mm�m�m��WN mmm 1 •I WWI, ,m�m 'I i W MY 111 www�-wmmm�� I V. m�M�� 1 1 m�mWN mmm I I I WIMWW I I W 1 11 1 if mmm-m�WlwmmMm 11 MEW I I I WWI Www :I i W MY 1 II m 1 IF mm, MR, wM 1 N. m"w 1:1 mm mm F 111 ;1 1 I I I 1 Il mm I Il. -mmwMMImmMEMO WIN m mmmm. M. . IWO 1 M.E1119-mmWW" 11, mmm-mm 11. 11 : mmm Ill U W n®© I r 1 1 m 1 1• I W 1 :1 m®m 1 1 mm©mmmmMIMI M.Www. mm®w-mmmim-1 �Wflwwwwm ®�®I ®I ®1 : ®1 1 H ®' . ®I �®� I 1 ®®I I r -®j �® 1 I: • 1 I'.. �®. ®. r1 U, www"—ww—wwW Iwwww I m®�-1iI� I \: m©mm1WimmwwWW� 1I mmI-mm�m— 1 wmmm ll IItIL'1 ©mmm. _.1 =WWWwwwwwMWIM. .1, mmmm -I/mmm 1.1 11 w"WwwwwwwW 11.: 1 I, "IM W- 1 I 1 If m 1 1. 1 I "WIM I 1:1M 'mmmmmm"mm"mmm I I mm 1 it m 1 I WIm 1 i. it Ill mw .:at\ 1 i l WIMmmmmmmm i I, "Wi 1 1 -mmmm 1' 111WWMW 1 11---------_-------_- ACCORDING TO THE FEDERAL EMERGENCY MANAGEMENT AGENCY (FEMA), FLOOD INSURANCE RATE MAP (FIRM) FOR HARRIS COUNTY, TEXAS, MAP NO.48201CO945M REVISED/DATED JANUARY 6, 2017, THE SUBJECT TRACT APPEARS TO LIE WITHIN SHADED ZONE °X". THIS DETERMINATION WAS DONE BY GRAPHIC PLOTTING AND IS APPROXIMATE ONLY, AND HAS NOT BEEN FIELD VERIFIED. THIS FLOOD STATEMENT DOES NOT IMPLY THAT THE PROPERTY OR STRUCTURES THEREON WILL BE FREE FROM FLOODING OR FLOOD DAMAGE. ON RARE OCCASIONS FLOODS CAN AND WILL OCCUR AND FLOOD HEIGHTS MAY BE INCREASED BY MAN-MADE OR NATURAL CAUSES. SHEET NOTES: DRAINAGE AREA MAP LEGEND: A 1.52 AC _ DRAINAGEAREA AREA IN ACRES DRAINAGE BOUNDARY ® y2-YEAR SHEET FLOW 100 100-YEAR SHEET FLOW REV ( DESCRIPTION ( DATE OF 'tj y '�ptE..p..'r•?9Ii11 �g;• .tPI �G[V7 K.L. SHEBLAK 4/26117 m1lY�1 WARD, GETZ & ASSOCIATES, LLP CONSULTING ENGINEERS TEXAS REGISTERED ENGINEERING FIRM F-9756 2500'1'anglmilde, Suite 120 Houston, Texas 77063 713.789.1900 \ 1"=100' 1 SL 1 JM SHEET C 4.0 P- AA N 03'p�s56r �a#°0.41' e - P Pa - - -=PRJL(BY-OTHERS) -% - lfECT�1�f4` - -74 LF 0 0.44% .P TRACT 1 Dom, 9.1321 ACRES 397,793 SQ.FT. CAU M 9.125 ACRE TRACT PORT CROSSNO LAND, LP. A RGC.F. NO, Z010696 C k. EC R E S E RI ET -t. _ _ e ---'isµio• - - CONTRACTOR TO SPOIL 22,230 CY FROM DETENTION EXCAVATION AT APPROXIMATE LOCATION (FILL TO 19.7 FT) V 1 I o PROP.STM.SWR.TY'A"INL ° pROP.STM SWF TG=t6.80 T TG=16.80 l24"t=12.00(N) 24"t=11.66(N,S) 27 PROP.24" HDPE STM.SWR. PROP.24" R( -189 LF @ 0,18%-f -241 LF v PROP.STM.SWR.TY"A"INL--'-'-PROP.STM.SV TG=16.00 TG=17.00 12" t=12.00O 15"t=11.20 a - (N 151=11.80(N) 4" 18"t-11.00(N) e , P % P -PPS= PP � PP P ® P •o G 'q PROP. RAIL EXTENSION • o (BY OTHERS) -p �'Ss � o a •q o •Pa 'e � laa n a �f. �PROP.STM.SWR.TY"A"INL 3 na----Ta-l--:l.t'.-,.-.== � TG=17.00 a _n_' a� h :_ la^ _.-�' �_._ln PROP.STM.SWR. MH vl - �.�.-'-- -/se-- ..' � .. � � � - 36"i=10.20(N) 'a- 7a� - � � a RIM=17.62 , '.?a"f •' PROP.STM.SWR.TYW'INL '�? .--' P m ,.. - 42"t-10.20(N) PROP.STM.SWR.TY"A"INL _ ( W) 442t 98N -' )-iAl . a'�. ,.:�., :, ,: �, :,•�.:,. TG=16.80 j: ;: ,�.....:.:.:.. ..:_ rv.w>�: �„ �-� _•.•...:`...•., :, � � � � � ' ,:y/'. TG=17.00. .. :• -'b 24"t=11.23(S) , °rasa' ,.. _ 42"R=10.03(S,N) .. ' Y"A"INLJ•.30'€=11.23(N) 7z•--- --^^II11--11--��77�aj�,�.:ii.��.. .' = .. ?ars,• •,. .. • • '�_" PROP.STM.SWR.TY"A„INL i'.::n ... TG=16.80 _.: 'i•' •=��� �. �._.... f&Y ,,•• I -�--*,fir a - a� ,a 1 i6� u Fsa 6.f., + ,e>•a STM.SWR.a � T PROP.30" RCP STM.SW�R---_-P'-ROOP.3/0" HDPE STM.SWR. 36"R=10.72(S) 04 PROP.36" HDPE STM.SWR. la /Rn reao PROP.-14 HDPE STM.SWR.1111 1 a6 lapo ,a.� 'r Io7B %°0 'PROP.42" HDPE STM.SWR. +�I }•+fa PROP 42" HDPE STM SW o -195 LF @ 0.15% PROP.STM.SWR.TY"A"INL -209 LF @ 0.11% -209 LF @ 0.14°/a e ' -209 LF PROP.STM.SWR.TY"A"INL F- 0.08%� - -783 LF @ 0.11 /o a l � TG=16.80 �_ 30"t-11.00(N,S) pROP.STM.SWR.TY"A"INL TG=16.80 =16.8) 36"€=10.49(S,N) �,,.- 4- n Via.--- PR P. " HDPE STM.S 26LF @ 0.1 •' 36'"t=11.00(N,S) - - 36"�.=8. � � '�' ( ' 0PROP.STM.SW "INL-I P .. PROP.STM.SWR.TY"A"INL PROP.STM.SWR.TY"A"INL _- .,8 - _- PROPTM.SWR.MH 8- ' ✓ g2 �,8 >g'-Rg9 - TG=17.00 _ PROP.STM.SWR.TY"A"INL • TG=16.80 - TG=16.80 - 4P��g=R 5(N SE) Yp`- t, -��,,{„ 12"t=10.90E () TG=16.80 " 24"t=9.55(S) 12"t=10.90(E) 12"i=10.40(E) -•a-PROP.STM.SWR.TY"A"INL- 36"t=8.15(S)- PROP.42" STM.SWR. 18"t=10.50(S) - _ v_36-'t=8.70(N) 30"t=8.83(S) 42"t=8. N TG=16.80 ° -113LF 0.10% '!'Yf'- -24"t=10.50(N) T - .E, 42"t=7.80(N,S) ' PROP.15" HDPE STM.SWR.z1 -185 LF @ 0.33% - -'+- PROP.18" HDPE STM.SWR. - -+- -CPROP.24" HDPE STM.SWR.PROP.30" --197 LF 0,23% HDPE STM.SWR. - " v -°� '' I PROP.36" HDPE STM.SWR. --210 - '�'�� �- - PROP.38" HDPE STM.SWR. " HDPE STM.SWR. 1 -196 LF @ 0.2696- @ -205 LF @ 0.13°/a`- LF 0.1 t % - @ -240 LF 0.12% @ o -1- -197 LF @ 0.1 /o l _ _ ---F- - -- i -_�-r =-:-c$�-_- !=JPROP.�2 -- -- '6 N 03'00'58" W23 1.6' -- -- -- - a PROP.STM.SWR.TY'A"INL -'-- TG=15.50 0 .8$ g pOgg�Oty�2 PROP. RCP STM.SWR. PROP.STM.SWR.TY"A"INL PROP.STM.SWR.TY"A"INL PROP.12" RCP STM.SWR. 12't=12.33(W) 1g0E{,6 -73 LF@0.44% -73 LF 0.44% TG=16.00 @ � PROP.STM.SWR.TY"A"INL 12"tTG=16.022(� 12"t=t0.75(E) 8 fNO- It TG=16.00 PROP.42" HOPE STM.SWR. 12"t=1I,22(W) -131 LF @ 0.10% 16' uE. 16' u.e. PROP.STM.SWR.MH H.O.C.. N0. H471426 H.QC.F. NO. H471426 RIM=17.30 42"t=9.67(S) 42" t=7.56(NW) PROP.12" RCP STM.SWR. -74 LF @ 0.44% ,,g i I 1tPj1tV g2, p0 Sp1013 VO CROSS SECTION D-D a A 4 NOT TO SCALE CONTRACTOR TO CLEAR AND GRUB AREA OF SPOIL PRIOR TO PLACING MATERIAL ONSITE. TOPSOIL CAN BE USED TO LINE DETENTION BASIN AS NEEDED •T � t( la, roopo a PROP.42" HDPE STM.SVA. O -95LF @ 0.11% '-FL=3.23 TOF 5 2f1 PROP.42" HDPESTM.SWR. -62LF@0,10% •� Qr, 42" t=5.20 42"1=7.45(S) 42" t=5.26(N) 1. UTILITIES SHOWN ARE APPROXIMATE, CONTRACTOR TO FIELD VERIFY EXISTING UTILITY LOCATIONS PRIOR TO CONSTRUCTION AND IMMEDIATELY NOTIFY ENGINEER OF ANY CONFLICT OR DISCREPANCIES. 2. CONTRACTOR TO COORDINATE WITH UTILITY COMPANIES FOR SERVICE ORIGINATION AND CONNECTION. 3. CONTRACTOR SHALL TAKE CARE NOT TO DAMAGE ANY EXISTING ITEMS ONSITE, 4. CONTRACTOR SHALL KEEP THE SITE CLEAN OF DEBRIS AND ANY EROSION CONTROL MEASURES ARE ADEQUATELY PLACED. 5. CONTRACTOR TO COORDINATE LOCATIONS OF UNDERGROUND IRRIGATION SLEEVING PRIOR TO PAVING. SEE LANDSCAPE PLANS. 6. CONTRACTOR TO COORDINATE LOCATIONS OF UNDERGROUND CONDUIT FOR SITE LIGHTING PRIOR TO PAVING. 7. ALL CONSTRUCTION OPERATIONS SHALL BE ACCOMPLISHED IN ACCORDANCE WITH APPLICABLE REGULATIONS OF THE U.S. OCCUPATIONAL HEALTH AND SAFETY ADMINISTRATION. COPIES OF OSHA STANDARDS MAY BE PURCHASED FROM THE U.S. GOVERNMENT PRINTING OFFICE. INFORMATION AND RELATED REFERENCE MATERIALS MAY BE PURCHASED FROM OSHA, 903 SAN JACINTO, RM 319, AUSTIN, TX. 78701. TEL: (512) 916-5783. 8. ALL SANITARY SEWERS CROSSING WATER LINES WITH A 6 INCHES TO 9 FEET CLEARANCE SHALL HAVE A MINIMUM OF 18' JOINT OF 150 P.S.I. SDR 26 PVC PIPE MEETING ASTM SPECIFICATION D2241 CENTERED ON WATER LINE. WHEN WATER LINE IS BELOW SANITARY SEWER PROVIDE MINIMUM 2 FOOT SEPARATION. 9. REFERENCE MEP PLANS FOR UTILITY CONDUIT LOCATIONS. 10. ALL STORM PROPOSED UNDER FUTURE RAIL SHALL BE RCP CONFORMING TO AREMA COOPER E80 LOADING. __j 0 100 200 SCALE: 1 " = 100' I.STM: WR. ;SLOPE INTERCEPTOR, lya les 6.46 SHEET 8.2) PRORSTM. T R. BACKSLOPE INTERCEPTOR dip TG=16.73 y9 (REF. SHEET 8.2) . FLOOD PLAIN NOTE & BENCHMARKS: ALL ELEVATIONS SHOWN HEREON ARE BASED ON FLOODPLAIN REFERENCE MARK NUMBER 060020, BEING A ALUMINUM DISK STAMPED RM F 216 BM-03. LOCATED ON THE FAIRMONT PARKWAY APPROX. 0.1 MILES EAST OF HIGHWAY 146. HAVING A PUBLISHED ELEVATION OF 12.97 FEETINAVD88 (2001 ADJUSTED.) TEMPORARY BENCHMARK 'A' (T.B.A. A) 15.68' = BEING A BOX CUT ON AN STORM INLET LOCATED ON THE WEST SIDE OF POWELL ROAD AT THE INTERSECTION OF POWELL ROAD AND EXPORT DRIVE. (AS SHOWN HEREON) ACCORDING TO THE FEDERAL EMERGENCY MANAGEMENT AGENCY (FEMA), FLOOD INSURANCE RATE MAP (FIRM) FOR HARRIS COUNTY, TEXAS, MAP NO. 48201C0945M REVISED/DATED JANUARY 6, 2017, THE SUBJECT TRACT APPEARS TO LIE WITHIN SHADED ZONE "X". THIS DETERMINATION WAS DONE BY GRAPHIC PLOTTING AND IS APPROXIMATE ONLY, AND HAS NOT BEEN FIELD VERIFIED. THIS FLOOD STATEMENT DOES NOT IMPLY THAT THE PROPERTY OR STRUCTURES THEREON WILL BE FREE FROM FLOODING OR FLOOD DAMAGE. ON RARE OCCASIONS FLOODS CAN AND WILL OCCUR AND FLOOD HEIGHTS MAY BE INCREASED BY MAN-MADE OR NATURAL CAUSES. <$� ( SHEET NOTES: I h "OP '4" STM.SWR. -62LF oN, 'E I 0 ' _ PROP. RIP-RANa (REF. SHEET 8.1) oa L6 a rPROP.24" HDPE STM.SWR. -62LF -� o PROP.STM.SWR. BACKSLOPEINTERCEPTOR TG=16.49 PROP.24" HDPE STM.SWR. ' _ (REF. SHEET 8.2) -62LF yq � ®■ GRADING NOTES: 1. ALL SPOT ELEVATIONS ARE TO TOP OF PAVEMENT UNLESS OTHERWISE NOTED. 2. ALL SIDEWALKS AND ACCESSIBLE ROUTES, INCLUDING DRIVEWAY CROSSWALKS, SHALL CONFORM TO ALL APPLICABLE AMERICANS WITH DISABILITIES ACT STANDARDS AND THE TEXAS ACCESSIBILITY STANDARDS. IF ANY DISCREPANCY IS DISCOVERED, THE CONTRACTOR SHALL NOTIFY THE ENGINEER PRIOR TO POURING ANY PAVEMENT. 3. ALL SIDEWALKS AND ACCESSIBLE ROUTES, INCLUDING DRIVEWAY CROSSWALKS, SHALL NOT EXCEED A RUNNING SLOPE OF 5% (1:20) WITHOUT A RAMP, AND SHALL NOT EXCEED A 2% CROSS SLOPE (1:50). 4. THE ACCESSIBLE PARKING AND PASSENGER LOADING AREAS SHALL NOT EXCEED A SLOPE OF 2% (1:50) IN ANY DIRECTION. 5. ALL EXISTING APPURTENANCES ON SITE SHALL BE ADJUSTED TO PROPOSED GRADE AS APPLICABLE. 6. CONTRACTOR SHALL REFERENCE GEOTECHNICAL REPORT AND ALL ADDENDA FOR BUILDING PAD LIMITS AND PREPARATION REQUIREMENTS, 7. CONTRACTOR SHALL ENSURE THERE IS POSITIVE DRAINAGE FROM THE PROPOSED BUILDINGS AND NO PONDING IN PAVED AREAS, AND SHALL NOTIFY ENGINEER IF ANY GRADING DISCREPANCIES ARE FOUND IN THE EXISTING AND PROPOSED GRADES PRIOR TO PLACEMENT OF PAVEMENT OR UTILITIES. LEGEND: EXISTING PAVEMENT CONCRETE ASPHALT AS NOTED 79.50 PROPOSED 7"CONC. PAVEMENT D077NG GRADE TC79.50 TOP OF CURB G79.50 GUTTER TP79.50 TOP OF PAVEMENT TG79.50 TOP OF GRATE 79.50 PROPOSED NATURAL GROUND ME79.50 MATCH EXISTING HIGH POINT -)--- SWALE REV DESCRIPTION DATE K.L. SHEBLAK v 9787 6/6/17 0Ll�'1 WARD, GETZ & ASSOCIATES, LLP CONSULTING ENGINEERS TEXAS REGISTERED ENGINEERING FIRM F-9756 2500 Tanglewilde, Suite 120 Houston, Texas 77063 713.789.1900 SCALE100' ( DESIGN N I J M DRAWN SHEET C2.0