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HomeMy WebLinkAboutMISSISSIPPI LAND COMPANY 146 PROJECT SITE PLAN (2)■ 47 L.F. OF 12" H.D.P.E @ 0.32% INLET A INLET B TG 16.60 TG 16.60 FL 14.24 ( FL 14.09 I 113 L.F. OF 12"i' H.D.P.E @ 0.32-1. ! 53 L.F. OF 12" H.D.P.E @ 0.34% W 6" RESTRICTOR AT END OF PIPE OUTFALLTO 0. EXISTING INLET INLET C FL 13.35 (W) TG 16.60 FL 13.73 ADJUST EXIST. - INLET TO FL 13.35 a 0 15' 30' 60' T 1 INCH = 30' FT. z fI E "T TYLER STREET � \ 60' ROW STORM SEWER LAYOUT - 01 SCALE 1"- 40' HYDRAULIC CALCULATIONS FOR THE PROPOSED BITE I 1 146 La Porte Project No. 07-0009 Lot + M 10 Prepared By: Phil Johnson ( ' ' ' 'I Rational Method for runoff : Q = CiA ------ -------------------- --------------------- C = 0.8 for concrete and 0.2 for landscape areas I =6.55 and A is in acres therefore Q is in cubic feet per second (cfs) Lot 2 Lot 31 I Manning's Equation: Q = A1.486/NR2/3S1/2 (for sizing pipes) Q (cfs), A (area of pipe in sq ft), R (hydraulic radius in ft), S (slope in ft per ft) LiQ hLi •> I NUMBER INLET/MH C I A Q G o �Fl CCAUTION Let 3 Let ao - EXISTING GAS LINE A Inlet 0.8 6.55 0.1901 1.00 B Inlet 0.8 6.55 0.1115 0.58 C Inlet 0.8 6.55 0.1614 0.85 INLET to INLET QT DIA. TYPE A N R S Q V(F/S) a° n L y r I I " `° A B 1.00 12 PVC 0.785 0.011 0.2500 0.0032 2.382 3.03 . B C 1.5F 12 PVC 0.785 0.011 0.2500 0.0032 2.382 3.03 C OUT 2.13 12 PVC 0.785 0.011 0.2500 0.0034 2.455 3.13 ORIFICE DETERMINATION °` ' _, ^, 9 ' l OWNERS - COX GREGORY ' Pipe to 146 Inlet Outlet Pi 023-201-074-0027 DEVELOPED Q=0.65* 7.1469* 0.482 - 2.239 cfs 14 21OPED "t 9 OI 1811 T:18 .00 TC TC 18.10 h=16.99-(14.44+0.17) - 2.71 (for 4" i pipe) 17. ,; in TP 17�50 .*30 rTP 170 TP 17.6Q h=16.99-(14.44+0.25) = 2.30 (for 6" pipe) i h=16.99-(14.44+0.33) = 2.22 (for 8" pipe) - " Q=CA(2gh)0.5 .........io .... L<t N SET CK 7 Where: Q is orifice flow, cfs - (Allowable) C is orifice coefficient (use 0.6 a/o 0.8) ,Y, a TP - 17.2T - A is orifice area, sf ;' ,- x A' \ T� 7.30... . , g is Gravitation constant, 32.2 ft/sec2; ( .: C3 .,INLET SEE DETAIL - h is head on orifice measured from the centerline; THIS S INLET B 221 Q C 2gl/2 h(feet) h1/2 Calculated A D(inches) Use f 2.239 0.6 8.025 2.71 1.646 0.28 7.20 6" Res. I TP 9 7 TP,17 63 i 18 .; s 2.239 0.6 8.025 2.30 1.517 0.31 7.50 6" Res. 2.239 0.6 8.025 2.22 1.490 0.31 7.56 6" Res. ( I I P 1 2 b 10'` 2.239 0.8 8.025 2.71 1.646 0.21 6.23 6" Res. % I 8 C,4 ) TC_17 B 2.239 0.8 8.025 2.30 1.517 0.23 6.49 6" Res. s _ -,2io _. . "1 TP 17.3 2.239 0.8 8.025 2.22 1.490 0.23 6.55 6" Res ' 6' P 18 10 P 18.10 DETENTION SUMMARY '10' I 4 W 45' 4 4 , . TOTAL ACRES IMPROVED: 0.457 AC o U I --` 8'00TP 1 . ALLOWABLE RUNOFF: 0.65 (TXDOT) TP Y7.50 I I PROPOSED RUNOFF: 0.90 "t II Cq O 4 O TOTAL DETENTION REQUIRED: 6,424.00 CU. FT (PER HYDROGRAPH) ' ( r _ 1-" a I _ PROPOSED ' I ETC 17.80 TOTAL DETENTION PROVIDED: 6,994.00 CU. FT ( ' - ' I BUILDING : TP 17.3 . WATER LEVEL FOR DETENTION: 17.80Lot ?'! 5,220 SQ. FT_ 0. I ' PIPE SIZE & LENGTHS: 12" @ 213 L.F. 12 TBt eLe, ' j + ,v, J de. 3 FF 18.30 6 USE A 6" MIN. FLOW RESTRICTOR ( I I BFE 18.30 I ( 7 ,) 1 WATER VOLUME CALCULATIONS FOR THE PROPOSED SITE INLET C 22' Lot 13 SEE DETAIL TOP OF WATER = 17.80 "CAUTION EXISTING GAS LINE �j THIS SHEET � c TOP OF INLET = 16.60 o �5_.. a. x_18- END AREA DISTANCE SUM OF STATION CUT FILL IN STATIONS AREAS " " P 17.85 ' 'a TP 18.10 3>+ILACk N .3 0 0 29 130 154 173 198 TOTAL CU 0.405 14.54 11 4 TC 18.00 TC 17.80 - 35.90 Lot ,5 TP 17.50 TP 17.30 ` 0.585 34.84 TIC 18.10 T SETBACK 23.65 ( ; TP 17.60 0.220 11.96 I _._---__-- --- _-OWNERS - GARCIA JESSE T 30.73 0.090 7.11 ( I ' ' ( ... 023-201-074-0017 DEVELOPED 48.27 Lot ,c 0.240 24.64 54.40 0.190 26.08 82.85 0.250 20.71 8; n �y PROP. 1" WATER METER W/ B. FLOW PREVENTOR FT OF WATER = 6,994.03 ' T l E,�T AD4,11 r )Y STREET bEE� FOR DOMESTIC SERVICE (RPM 60' R01r PROP. 1" TS&V TAP & BOX ON EXISTING 2" W.L. PROPOSED 6" SAN. SWR TAP TO EXIST. 6" SAN � SWR LINE 3 EXIST. HYDRANT 1 PROPERTY LINE 7REAA 0 ' c I i AREA B ap A- 0:1115 w I Q- 0.58 I i � ' PROPERTY LINE sa7� era "6Ec MdILLiS�`c 1 m �`'` �a�t-Gsry-•`i. v Sl 96 } pj 5..}`'- 34 asW y CITY OF LA PORTE KEY MAP PG: 540-X ZONING (GC) GENERAL COMMERCIAL HCAD #023-201-074-0019 & 0025 80 DRAINAGE AREAS - 02 TYPE OF DEVELOPMENT: OFFICE SCALE 1" - 40' - KEYNOTES DESCRIPTION OF LAND: LOT: BLOCK: SDDDMSION: OPROPOSED 6" CONCRETE ON 6" OF COMPACTED/PREPARED 1 19-24, 8 25-26 74 TOWN OF LA PORTE SUBGRADE @ 6%LIME BY DRY WEIGHT. RECORDATIDN: CWNTY: - HARRIS ' 30' WIDE COMMERCIAL DRIVEWAY W/ 15' RADI ADDRESS: CITY: IFNDER: - OPROP. 2 RETURNS. 6" CONCRETE; 6" COMPACTED/PREPARED SUBGRADE 311 STATE HWY 146 LA PORTE _ Y @ 6% LIME BY DRY WEIGHT. (TXDOT PERMIT #07-0462). PVRCHASER�OWNER: MISSISSIPPI LAND COMPANY, INC MTLE COMPANY: CONTRACTOR TO PROVIDE TXDOT WITH A TRAFFIC CONTROL - PLAN PRIOR TO CONSTRUCTION. r 3 PROPOSED 6" CONC. CURB (TYP.) FLOOD STATEMENT: 4 END 6" CONC. CURB (2" TAPER TYP.) THIS SITE LIES IN ZONE "AE", DESCRIBED AS A O PROPOSED TRASH ENCLOSURE W/ T' CONCRETE PAD. TRASH SPECIAL FLOOD HAZARD AREA SUBJECT TO q ENCLOSURE TO BE W TALL CHAIN LINK FENCING WITH INUNDATION BY THE 1%ANNUAL CHANCE FLOOD PRIVACY SLATS AND TWO 4'-6" GATES. EVENT, AS SHOWN ON F.E.M.A. FLOOD INSURANCE s. r. ar it 6 PROPOSED 4' X 4° SIDEWALK (TYP.) RATE MAP NUMBER 48201 CO945 L DATED JUNE 18 ! PROPOSED 4" PARKING LOT MARKINGS (TYP.) O7 ' 2007. �'`y � l �, I� � COLOR TBD BY OWNER. ✓ • e ..• '! I O PROPOSED WHEEL STOP PARKING BLACKS (4 TYP.) - 9 PROPOSED ONE STORY METAL BUILDING. REGISTERED ENGINEER• O9 FF. ELEVATION 18.30. RE: GENERAL NOTE #9 10 PROPOSED SAMPLE WELL & 6 C.O. I PHILLIP E. J HN e O SON , A LICENSED N II 14 •in 0 I� PROFESSIONAL ENGINEER IN THE STATE OF TEXAS �� 1 1 PROPOSED 1" WATER METER DO HEREBY CERTIFY THAT THE INFORMATION ;. • ( 12 NEAREST EXIST. FIRE HYDRANT LOCATED AT THE NORTHEAST PRESENTED ON THIS MINOR SITE PLAN TRUE AND CORNER OF WEST TYLER STREET AND NORTH 11TH STREET N APPROX 210' NORTH THEN 201' FROM THE NORTH WEST CORRECT TO THE BEST OF MY KNOWLEDGE. I PROPERTY CORNER. 0 I 11 13 NOT USED LANDSCAPING REQUIREMENTS: a. ! y~!' PROPOSED TXDOT FLEXIBLE DELINEATORS @ 5' CENTERS IN 14 TOTAL DEVELOPED SITE AREA: 15,220.0 SQ. FT. P. • MIDDLE OF GORE AREA FOR 175' AS PER TXDOT PERMIT TOTAL ROOFED OVER IMPROVEMENTS: 5,220.0 SQ. FT. • #07-0462. (35 TYP.) N R15' M.E.(23 • ' I!I LEGEND 19894.0 SQ. FT. - 5,220.0 SQ. FT = 14674.00 SQ. FT ♦ 14674.00 SQ. FT X 0.06 = 880.44 ' REQUIRED LANDSCAPING: 880.44 SQ. FT. M HP,. ( a > • ~` 6" CONCRETE PAVING PROVIDED LANDSCAPING: 935.19 SQ. FT. 4 14,210.00 SQ. FT. 18 40 I M.E. TP 18.21'aa e jl _ PARKING REQUIREMENTS: T � I! 4 CONCRETE PAVING 18.54 . i ,; ,! 464.00 SQ. FT. (SIDEWALK) PARKING SPACE ARE: 4(MIN) +4/ 1000 SQ. FT. OFFICE + i / 1.5 NON r Ij G'K OFFICE a; •i W W PROPOSED GROUND COVER RIV M E.G. • i I W " W 935.19 SQ. FT EMPLOYEES: SHALL BE DETERMINED WHEN LEASED TP18112 •i ',j i V PROPOSED 6' CONC. CURB EMPLOYEE COUNT: PRIOR TO CHANGE OF OCCUPANCY, OWNER MUST II I • i I� 636.50 L.F. COORDINATE WITH CITY OF LA PORTE REGARDING ' � j . I PROPOSED LIVE OAK TREE PARKING DEVELOPMENT. N 16 C �" ✓' 4 ! '' �� - 30 GALLON, 2." MIN. CALIPER, 4' TALL (7 TYP.) PARKING PROVIDED: 90° - 10' X 18' = 21 SPACES W/ CURB _ lLL !' PROP. INDIAN HAWTHORN SHRUB 90' - 10' X 20' = 3 SPACES W/ CURB STOPS 5 GALLON, 18" TALL (73 TYP.) NOTES: 90' - 16X 20' = 1 H.C. SPACE W/ CURB STOP! 3 ��- ' I PROPOSED 12" H.D.P.E STORM LINE _ 1. MIN. 10' SEPARATION BETWEEN SANITARY LINE AND WATER LINE. "OUTFALLAALI��,, m E 3HEE'T sve PROPOSED 6" SANITARY SEWER LINE 2. USE CITY OF LA PORTE STANDARD PROTECTION REQUIREMENT AT I T TH III I Dv PROPOSED 1" DOMESTIC WATER LINE WATER LINE - SANITARY SEWER CROSSING. TEL PROP. TELEPHONE LINE (OVERHEAD) 3. THE LOCATION OF THE SANITARY AND WATER LINE HAVE BEEN OBTAINED FROM BLOCK MAPS PROVIDED BY THE CITY OF LA PORTE. E PROP. ELECTRICAL LINE (OVERHEAD) THE SIZE OF THE SANITARY LINE IS PROBABLY 6 INCHES AND THE SIZE OF THE WATER LINE IS PROBABLY 2 INCHES. cns NOT PROPOSED PROPERTY CORNER T SIGN FIRE HYDRANT WATER METER GUY WIRE % WATER VALVE © MAILBOX 15.55 SPOT ELEVATION • MANHOLE FL=12.39 FLOWLINE ELEVATION POWER POLE T.B.M. TEMPORARY BENCHMARK THIS IS TO CERTIFY THAT THE CITY OF LA PORTE, TEXAS HAS APPROVED THIS SITE PAN AND DEVELOPMENT OF MISSISSIPPI LAND CO. IN CONFORMANCE WITH THE LAWS OF VE STATE OF TEXAS AND THE ORDINANCES OF THE, u ft OF i BY . ^ 'b?REcToR711A PGRTE PLANNING DEPARTMENT 4. PROPOSED SAN. SWR. LINES TO BE 6" PVC @ 0.47% W/ 4" FEED TO BUILDING. i 5. PROPOSED SAN. SWR. LINES TO HAVE C.O AT EVERY BEND. MAXIMU DISTANCE BETWEEN C.O. NOT TO EXCEED 90'. 6. PROPOSED DOMESTIC WATER LINE TO BE 1" WITH 1" FEED TO BUILDING. 7. NO IRRIGATION METER PROPOSED. 8. NO GAS SERVICE PROPOSED. 9. PROJECT SHALL CONFORM TO THE MINIMUIM EXTERIOR BUILDING DESIGN STANDARDS - 100 % bIANSONRY AND/ OR GLASS PRODUCTS.