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HomeMy WebLinkAbout12-4802 DRNG IMPV ARIZONA ST FROM E C TO E E STREETSCity of La Port e Texas III Planning Department /Engineering Division ARIZONA STREET FROM EAST "C" TO EAST "E" STREETS PROJECT #11111111111 2012 4802 N.T.S. ARIZONA AVENUE PROJECT LOCATION SH ?25 NORTH "P" DEER PARK � NORTH "L" ST. _ N N M POINT S NORTH "H" ST. BARB 'S CUT BLVD. SYEST AIRPORT zN SPENCER HWY. / \ W Si N P ti t i a Q� 4 FAIRMONT PARKWAY m 6 os GALVESTON y BAY WEEMS CAGE RD SHORTCRES LOCATION MAP Not to Scale HARRIS COUNTY KEY MAP: 580A MAYOR Louis R. Rigby COUNCIL Mike Mosteit Jay Martin Chuck Engelken Mike Clausen Daryl Leonard John Zemanek Tommy Moser Dottie Kaminski INTERIM CITY MANAGER STEVE GILLETT Sheet List Table Sheet Number Sheet Title 1 COVER SHEET 2 DRAINAGE AREA MAP 3 - 3a PLAN / PROFILE 4 DETAILS 5-6 STORM SEWER DETAILS 7 SW3P DETAILS 8 TRENCH SAFETY DETAILS RODNEY LEE SLATON j �1P�T F0/STERk' * The seal appearing on 2012-4802 this document was authorized by ROEY LEE P.E. SHEET 1 OF 8 P.90298, on on Arizona-"C" to "E" Streets 5-year 100-year b 84.14 125.4� d 17.8 21.8 e 0.7881 0.75I j Total @ Outtall . -- _ Area Al 2 23 - -- -- . ------ -- -- Area A3 - 1 18 _ AreaA2 1.55 Area 81 3.29 Area B2 1.49 Area C1 1.631 Area C2 1.611 L Tc Min) _.._- 26.52 �Tc(Min) 2530 Tc(Min) 25.80 Tc(Min) 27.33 Tc(Min) 29.57 Tc(Min) 25.90; Tc(Mm) _ 25:87i. I(5-year) 4.241 I(5-Year) 4.33i 1(5-Year) 4.29 1(5-Year) 4.18' 1(5-year) 4.02 1(5-Year) 4.291 11(5-year) L_ 4 29, (100-Year) 6.84 _. 11 (100-Year) 6.98 1 (100-Year) i 6.92 1 (100-Year) 6.76 1 (100-Year) 6.54 I (100-Year) 6.911 11 (100-Year) ...___.__ .. _.._ 6.91 C 0.4 C 0.85 C 0.55 C 0.64 C 0.68 C 0.7 IC ( 0.3� 3 Q(5-year) 3.78 fQ(5-Year) 4.35 Q(5-Year) 3.66 Q(5-year) 8.80 Q(5-Year) 4.08 Q(5-year) 4.89( 1Q(5-Year) 2.07; - (I Q(100-Year) 6.10 .._. IQ(100-Year) 7.00 Q(100-year) 5.90 _ Q(100-year) - 14.23 _ _ Q(100-year) 6.62 Q(100-year) 7.881 Q(100-year) 3.34 Q(5-yearcummulative) 3.78' - Q(5-yearcummulative) - 8.13' Q(5yearcummulative) 11.79I Q(5-yearcummulative) 8.80 Q(5-yearcummulative) 24.67 - Q(5-yearcummulative) 4.89� Q(5-year i 2.07i _ Q(5-yearcummulative) ( 31.63 Q(1OD-yearcummulative) - :, 10 6.• ' Q(100-yearcummulative) 13.10 _ Q(100-yearcummulative) ; 19.00 Q(100-yearcummulative) 14.23: Q(100-yearcummulative) 39.85 Q(100-yearcummulative) - 7.88 i IQ(100-yearcummulative) 3.341 Q(100-yearcummulative) 51.07 FLOOD STATEMENT THE PROJECT IS LOCATED ENTIRELY WITHIN FLOOD ZONE UNSHADED "X" PER FIRM MAP 48201CO945, SUFFIX "L" DATED JUNE 18, 2007 NAVD 1988, 2001 ADJUSTMENT RODNEY LEE SLAIUN 0 9029�8 p ' 0 do 065 The seal api5earing on this document was authorized by RODNEY LEE SLATON P.E. 90298, on 20 18 16 14 12 10 8 6 EXIST. NG PRO 430 LF— 4" RCP .. . a STM. SWR. STA. 3+61 30 8' LT 77 STA. 0+71 26 LT PROP. REMOVE & REPLACE REMOVE & REPLACE EXIST. PROD. EXIST. STM. SWR. MANF OLE W/ E C STM SWR. MANHOLE W/ YPE 1 TR = 15.17 P FL = 11.30 (S— 4") TG 14.20 FL = 11.30 (E-15") FL 110.41 (S 36") FL = 11.30 (5-15") FL 11.37 (E 15") FLOOD STATEMENT THE PROJECT IS LOCATED ENTIRELY WITHIN FLOOD ZONE SHADED "X" PER FIRM MAP 48201CO945, SUFFIX "L" DATED JUNE 18. 2007 NAVD 1988, 2001 ADJUSTMENT 20 � 18 co<E Tex sy+i RODNEY LEE SLATON ♦ 9029816 0 aw �h i�� ::�•�� The seat/ ap a In n this document was 14 authorized by RODNEY LEE SLATON P.E. 90298, on 12 F L CAD FILE y O AO ENGINEER — RODNEY SLATON, P.E. PLOT ATE 10 �t 604 W. FAIRMONT 12 11 m LA PORTE, TEXAS 77571 OWN x9 OFFICE 281-470-5060 RLS i E—MAIL slatonrQcportetx.gov CKD RLS APPD RLS 8 CITY OF LA PORTE 1"=2o' (HOR) 1"=2' VERT DRAINAGE IMPROVEMENTS ALONG Jos No_ SHEET 6 ARIZONA STREET FROM —4+00 —3+00 —2+00 —1+00 FL = 10.41 (N-24) 1+00 EAST "C" TO EAST "E" STREETS 0+00 �� W NMa w w U ( QdO Z 0= I3 • a f- � • d o:I is F=•~) Q�ry WW 0000 I� w 0) fN 5Z _ I 5/f - EXIST. 8" WATERLINE �' : 'to A n q .J r .n FVD � a / ARIZONA STREET EXIST. CONC. CURB & GUTTER �`° ' '• : ; 60' RIGHT-OF-WAY q 18"aT•'� ° _.� R I3 R( x w I 19.70' EXIST. C.I. THROAT EL= 13.92 N. RIM EL= 15.10 W. 15" R.C.P. IE= 11.45 X m T rn 1+00 AM0 BASEUN STA. 0+68, 22' LT BEGIN PROPOSED OVERFLOW SWALE FL = 14.21 (S) EXIST. C.I. THROAT EL= 14.09 N. RIM EL= 15.18 E. 15" R.C.P. IE= 11.58 W. 15" C.P.P. IE= 11.63 I 2.00' 7.00' i TB =15-89 10.70' TB = 16.20 (MATCH EXIST.) 2.05' DEPTH MATCH EXIST.) 1,74' DEPTH 1 -J 1 6 3.41 FL = 14.15 CROSS SECTION A -A 20 18 16 14 12 10 8 6 W} W<L- O z = N itco 'p Wwcc mm F U mm F r I- F- F- W N I EXIST. CATCH BASIN v >ko. x t I N. RIM EL= 14.95 FL 15" R.C.P. IE= 13.16 BUILDING 11 TIE-IN EXIST. 24'1 L TN STM. SWR. CA `r I- EXIST. 60' R.O.W. - - - - - - - IR- r i M' Z x x r - 4 ' - ' - ' - • - ' CONC. HEADWALL - - - - - - - - - - - - - - - co w GV (IV �° o PROP. REMOVE &REPLACE C6 to�- CONC. HEADWALL (SEE DET. O SHEET LLO 4). FORM AROUND r EXIST TB EXIST. STM. SWR. PIPES P co `° `n ARIZONA STREET o . n �- EXIST. 60' R.O.W. PROP. 36 STM. SWR. 2+00 3+00 REMOVE ASPAHLT (1,750 SF) EXIST. STM. M.H N. RIM EL= 14.77 N. 18" R.C.P. IE= 10.70 E. 15" R.C.P. IE= 11.37 W. 15" R.C.P. IE= 11.17 S. 24" R.C.P. IE= 10.64 FLOOD STATEMENT THE PROJECT IS LOCATED ENTIRELY WITHIN FLOOD ZONE SHADED "X" PER FIRM MAP 48201C0945, SUFFIX "L" DATED JUNE 18, 2007 NAVD 1988, 2001 ADJUSTMENT a0 r ` EXIST TOE EXIST. OPEN DITCH W/ CONC. BOTTOM u? 0 60' RIGHT-OF-WAY EXIST CL DITCH 49" P.P. EXIST TOE . . . .- '° 0J 00 n m of co v " rE 19T TB - PROP. REMOVE MH -I EXIST. 60' R.O.W. 4+00 EXIST. M.H. W/GRATE TOP 00 v AU N. RIM EL .= 14.92 Cq LO FL 24" R.C.P. IE= 9.97 STA. 3+09, 17' LT U ' -FL = 13.96 PROP. REMOVE & REPLACE EXIST. STM. SWR. MANHOLE W/ TYPE 1 JUNCTION BOX W/ TYPE "E" INLET TOP 5+00 Ci co PROP. I4'x3' STM. SWR. I EXIST. STM. M.H N. RIM EL .= 15.78 N. 24" R.C.P. IE= 9.26 E. 24" R.C.P. IE= 9.52 S. 48" C.P.P. IE= 9.23 PUBLIC WORKS TO DETERMINE BEFORE CONSTRUCTION IF I CONFLICT EXISTS WITH FEEDER LINE TO FIRE VAULT (CONTACT CURTIS HERROD 0 z a 281-471-9650) F o J Q = N uj a. 06oaU) +W� J-m� ao 11 N grn o . Nao G_ a CON HEADWALL (SEED TAIL + Z 11 EXIST. NG w EXIST. 48' STM. SWI En m o TO BE REMOVED 0.10� a ° STM. SWR= BE EMOVED PROP. 356 LF-3 " RCP LTO POP. 59 LF 3'x3' RC STM.SWR. ® 0.2 q S SWR. ®0.25q -7 STA 0+71 2 ' LT P. REMOVE & REPLACE PR EXIST. STA. 4+ 1 27' LT STM. SWR. MANHOLE W/ TIT'PLE TYPE 1 "A" POP. REMOVEMH IST. PROP. REMOVE & REPLACE E jUNCTION BOX W/ INLETTOP STM. S . MANHOLEW TYPE 1 JUNCTIONBOX W/ E "E" I LET TG 14.20 TOP FL 10.41 �EI-15)))S 36") TG = 13.84 FL 11.37 FL „ 0+00 FL = 10.41 (N-24") 1 +00 2+00 FL = 9.52 E-2499) 3+00 FL = 9.52 S-3'x3') 4+00 W. 15" C.M.P. IE= 11.43 48" C.P.P. CL D= 9. S. 48" C.P.P. IE= 9.37 E. 30" C.P.P. IE= 11.22 a L U M DETAIL 16 25 YR WSEL = 14.28' 12 - OF AO ENGINEI 10 "+ 604 W. m LA POR A 6 5+00 j RODNEY LEE SLATON r .g.:.................. a.. 90a� The sea appearing on this document was authorized by RODNEY LEE SLATON P.E. 90298, on 8., #4 @j12" 2 (MAX) --1- 5" SLOPE PAVING REINF. W/ #3 @ 12" E.W. 6 2 #4 TOE WALL DETAIL SCALE: 3/8" 5" SLOPE PAVING W/ #3 @ 12" E.W. #4X18" DOWEL @ 12" CTRS e Z cp � 2" CL MIN Uj #4 @ 12" EW 5E i #4 @ 12" C-OT 2 LAYERS #4 @ 12" EW SECTION B-B SCALE: 3/8" = V-0" 4@12" EW r TYP.) #5 @ 12 CTRS (TYP.) DRILL @ 12" (TYP.) TERNATE IN & OUT BACKFILL BEHIND HEADWALL 3 #4 #5X20" DOWEL @ 12" CTRS (DRILL & FILL W/ EPDXY MINERAL GROUT) K (SEE NOTE) \ TOP OF SLOPE PAVING LO #5 @ 12" CTRS \ (DRILL & FILL W/ \ EPDXY MINERAL GROUT) \ (SEE NOTE) x \ 4'x3' RCB 5 DOWELS @ 12" CTRS \ DRILL & FILL W/ EPDXY MINERAL GROUT) (SEE NOTE) \ cV 6 #4 I 12" 3 #4 M FILL V EPDXY MINERAL GROUT I 2 LAYERS #4 @ 12" EW COMPACTED FILL 6" (SEE NOTE) #4 @ 12" CTRS SECTION C-C 2 LAYERS #4 @ 12" EW NTS 6„ n 4'x3' RCB - r 'Will' x 8"X18" CURB 8„ 3 #4 -� 30' r / PLAN PROPOSED CULVERT HEADWALL NTS LLLVA I ION NTS TABLE OF DIMENSIONS NO. OF DIAM. PIPES OF PIPES G K X H Y W 1 4'x3' -- 25" 7'-0" 5'-6" 7'-0" 14'-0" of re�.lsl++ y(P�E i of ; •• *�1 * .......................... RODNEY LEE SLATON io ......... �.......... 90298 10 �i QFG/STF\"Q.. F 1% S/ONAL NOTE: The seal a eanng on this document was CONTRACTOR HAS THE OPTION TO USE authorized by EXPOSED REINFORCING IN LIEU OF RODNEY LEE SLATON DRILLING AND EPDXY MINERAL GROUT. P.E. 90298, on A 6.!!..._ 1 B --6 C I C MANHOLE FRAME & COVER SEE PLAN SHEET FOR - J I TTI ___ I CORNER LOCATION v � A _- A -- ------ - - - - - -- JUNCTION BOX & STORM SEWER PLAN TYPE II JUNCTION BOX STD. 32" MH COVER & FRAME (TOP OF MH FLUSH W/ PROP. TOP OF PVMT. OR FG ELEV.)(OR TYPE "E" INLET TOP) 4 - #6 ADDITIONAL GRADE RINGS CUT &/OR SPREAD TYPICAL L VARIABLE PRECAST CONCRETE REINF. AND ADD ADDITIONAL NATURAGROUND #5®12" EW CONCENTRIC CONE REINF. SHOWN. 18 TYP. PRECAST CONCRETE 1# 18" D �s RISER(S) TYP. " „ - 4 - 6 BARS FOR LINE TO PASS OVER AN 3 —6 #5O12 UI MUSTOBSTRHAVE ADQUATE COVER ANDON RATHER THAN R LJ 18 TYP#5O12 " __ _________NON __ Dee e- p OBSTRUC ION - q�r �„ SEE DETAILS THIS SHEET FLANGE #5®12Fs I " EW #5O12 FOR ADDITIONAL REINF. .t t16.1) y0� 5' MIN PIPE OPENINGS AND �s ' 6" C C 6MANHOLES CTION STEEL PIPE (TYP) (TYPICAL TRANSITION) - B (BOTH ENDS) Ti; ADDITIONAL REINFORCEMENT A © R.C. P. OPENINGS ADDITIONAL REINFORCEMENT © MANHOLE OPENINGS WELDED SECTION A- A JOINTS 2' MIN ,j (TYP.) ('� 4-45"STEEL BENDS TYPE I JUNCTION B O X JUNCTION BOX SUMMARY NOTE: 1. MATERIALS AND COATINGS TO BE TYPICAL STEEL SECTION OFFSET PIPE SIZE FLOW LINE ELEV. DIMENSION IN ACCORDANCE WITH WATER MAIN F CITY OF LA PORTS DWN: JR STATION TYPE STANDARD SPECIFICATIONS. FITTINGS 0 L a (Fl) 4 - 0 X 45' STEEL BENDS NORTH SOUTH EAST WEST NORTH SOUTH EAST WEST A B C D E F 2 RESTRAIN EXISTING PIPING BEYOND E STEEL SECTION AS REQUIRED TO PREVENT 2 - 0 BELL-FLANGE ADAPTERS U � PLANNING DEPT ENGINEERING DIV. CK'D: RS MOVEMENT. 2 - 0 SLIP-ON FLANGES 150 # �«%.%\�� 0+71 26' LT 1 18" 36" 15" 15" 10.70 10.41 11.37 11.17 6'-8" 5'-8" 8" 8" 6'-0' 5'-O" 2 - 0 INSULATED JOINT KITS Jy�PtE OF Teigsil 604 W. FAIRMONT PINUP. ' tt LA PORTE. TEXAS 77571 4+31 27' LT 1 36" 4'X3' 24" -- 9.52 9.52 9.52 -- 7'-10" 6'-10" 8" 8" 6'-0" 5'-0" 1:7 *t1 TEXAS 281-471-5020; FAX: 281-470-5005 APP D: RS *•' *a ROONEY LEE SIATON• - Scale:. OFFSET IS MEASURED TO BACK OF CURB UNLESS NOTED OTHERWISE 90296 r ARIZONA STREET NONE * OFFEST IS MEASURED TO CENTER OF JUNCTION BOX TYPICAL STEEL PIPE OFFSET tt °n FG/STER`����` �'' It �+ I' II SECTION FOR WATER MAINS tII S ,, M S/OVAL t' FRO EAST D TO �t����•� c"y Date: N.T.S. EAST "E STREETS JAN, 2012 The seal appearing on Project No.: this document was DRAINAGE IMPROVEMENTS -- authorized by RODNEY LEE SLATON SHEET: P.E. 90298, on STORM SEWER DETAILS 5 OF8 REINFORCED CONCRETE MIN. THICKNESS 6" 3/4" EXPANSION JOINT - AROUND ALL SAW —CUT EDGES MAXIMUM PAY LIMIT O.D. PIPE + 4'-0" #4 BARS @ 12" C/C. E.W. 6" : <. PIPE MIN. 1 1 /2" TYPE "D" HOT —MIX ASPHATIC CONC. ASPHALT TOPPING 12" \— BASE BASE REPLACEMENT SHALL BE CEMENT STABILIZED LIMESTONE MINIMUM 6" THICK. CEMENT STABILIZED SAND BACKFILL COMPACTED TO 95% MAX. DENSITY (1-1/2 SK/TN) EQUAL STORM SEWER BACKFILL DETAIL IN EXISTING PAVED AREA 6 IN. MIN. ALL AROUND (TYP.) EXISTING < PIPE .a 9 STORM SEWER BACKFILL DETAIL IN EXISTING UNPAVED AREA PAVED AREA 32 STANDARD MANHOLE FRAME &COVER 4" STICK—UP 6 # 4 DOWELL DITCH GRADE 4 3„ 15" 15" 12" Lq (TYP) 14" I CALLS AND I E.W. LOOR R8" ; # 4 3 LQNG VARIES 0 j 3'-0" MIN v . v , v , a0 v • v O• ROUGHEN SURFACE BY HEAVY SAND BLASTING .o• • o ADDITIONAL CONCRETE Q�P # 4 @ 12", DOWELS DRILLED & GROUTED BOTH SIDES 4" STICK—UP EXISTING SECTION CONCRETE SEWER A NOTE: MANHOLE FRAME AND COVER TO BE MABRY PATTERN NO. BF-22-17. NEENAH, OR OTHER A PROVED EQUAL. WHERE SEWER IS LOCATED IN E SEMENTS, CONTRACTOR MAY USE LIGHTWEIGHT F & C, APPROVED BY THE ENGINEER 2 3/16" L� 22° DETIAL MANHOLE FRAME AND COVER h 1 PLAN OF TYPE "E" (COVER NOT SHOWN) 32" STANDARD MANHOLE FRAME & COVER 1 " �D TYPE "E" INLET DITCH GRADE �— CONCRETE 48" AND LARGER N.T.S. �y�P�E of rex4�tt t RODNEY LEE SLATON ,....................... A. 9( ..00 ttt� o�: �:FcisrER�:�•���`�S ti AL The EN+� The seal ap eanng on this document was authorized by RODNEY LEE SLATON P.E. 90298, on la� ►-rz NOTE 1, P❑URED—IN—PLACE OR PRE —CAST MANHOLES ONLY SHALL BE USED, 2, NO BRICKS OF ANY KIND WILL BE ALLOWED IN C❑NSTRUCTI❑N OF MANHOLES OR INLETS. 3. ALL PVC PIPE SHALL HAVE RUBBER GASKET EQUIPPED BELL AND SPIG❑T J❑INTS C❑NF❑RMING TO ASTM D3212, ELAST❑MERIC SEALS SHALL BE A SINGLE D❑UBLE—SEALING GASKET SPANNING ONE FULL C❑RRUGATI❑N WITH THE LEADING EDGE BEING LOWER THAN THE SECOND EDGE TO FACILITATE PROPER J❑INING, THE GASKET MATERIAL SHALL CONFORM TO ASTM F477, 4, FOR ALL PRE —CAST AND P❑URED— IN—PLACE INLETS AND JUNCTI❑N BOXES, CENTER D❑UBLE— SEALING GASKET IN WALL AND GROUT COMPLETELY AROUND PVC PIPE, GROUT SHALL BE SMOOTH AND FLUSH WITH INNER AND OUTER WALL WHEN ENTERING AT AN ANGLE TO THE WALL OR THROUGH THE CORNER OF AN INLET OR JUNCTI❑N BOX, THE GASKET MAY BE ❑MITTED, 5, MANHOLES AND INLETS ARE TO BE PLACED HALF WAY BETWEEN THE FRONT LOT CORNERS IN MULTI LOT SUBDIVISI❑NS. L Ao CITY OF LA PORTE OWN: JR �m PLANNING DEPT.ENGINEERING DIV. CK'D: RS 604 W. FAIRMONT PKWY. LA PORTE. TEXAS, 77571 As 281-471-5020; FAX: 281-470-5005 APP'D: RS ARIZONA STREET FROM EAST "D" TO EAST "E" STREETS Scale: NONE Date: 2 Project No.: DRAINAGE IMPROVEMENTS STORM SEWER DETAILS SHEET: 6 OF 8 1. SET POSTS AT REQUIRED SPACING 2. EXCAVATE A 6"x6" TRENCH UPSLOPE ALONG THE LINE OF POSTS AND SECURE WIRE FENCE TO POSTS. (SEE NOTE 2) t I r I. —I - 6' MAX. FLOW (SEE NOTE) FLOW 3. ATTACH FILTER FABRIC TO POSTS AND EXTEND IT INTO THE TRENCH (SEE NOTE 3) 4. BACKFILL AND COMPACT THE rvnn vn-rrn �nn FLOW FLOW ALTERNATE V-TRENCH EXTENSION OF FABRIC 4' 50' 4' X RFB —X INTO TRENCH FLOW — MIN. MIN. MIN. WIN EXTENSION OF FABRIC- 11-IT IIlir INTO TRENCH FLOW— =r �r il�— 1i';•.: l J11-- 6' Z _I i >:;ii;. I ]T—lI FOUNDATION COURSE IL_ �_� N Z 6" MIN, 6" REINFORCED FILTER FABRIC— BARRIER N.T.S. GENERAL NOTES: 1. POSTS TO BE SET AT 6 FOOT MAXIMUM SPACING. - 2. WOVEN WIRE FENCE TO BE FASTENED SECURELY TO POSTS WITH .WIRE TIES OR STAPLES ADDITIONAL TIES OR STAPLES CAN BE ADDED TOL SECURE WOVEN WIRE FENCE. 3. FILTER FABRIC TO BE FASTENED SECURELY TO WOVEN WIRE FENCE WITH WIRE TIES OR STAPLES AT TOP AND MIDSECTION. ADDITIONAL TIES OR STAPLES CAN BE ADDED TO SECURE FABRIC. WHEN TWO SECTIONS OF FILTER CLOTH ADJOIN EACH OTHER THEY SHOULD BE OVERLAPPED 6" INCHES AT THE POSTS AND FOLDED. 4. CUT "D" SHAPED HOLES Y2 OF HEIGHT AWAY FROM NATURAL GROUND AND SPACED NO MORE THAN 4 FEET ON -CENTER. CONSTRUCTION NOTES: 1. 2 INCH THICK BY 2 INCH WOODEN STAKES TO BE SET AT MAX SPACING OF 16 FEET AND EMBEDDED A MIN. OF 12 INCHES. IF .PREASSEMBLED FENCE WITH SUPPORT NETTTING IS USED, SPACING OF POST MAY BE INCREASED TO 8 FEET MAX. 2. ATTACH FILTER FABRIC TO WOODEN STAKES. FILTER FABRIC FENCE SHALL HAVE A MIN. HEIGHT OF 18 INCHES AND MAX. HEIGHT OF 36 INCHES ABOVE NATURAL GROUND. 3. WHEN TWO SECTIONS OF FILTER CLOTH ADJOIN EACH OTHER THEY SHOULD BE OVERLAPPED 6 INCHES AT THE POSTS, AND FOLDED. 4. SEE STANDARD SPECIFICATION FOR FILTER FABRIC FENCE. PROFILE - CONSTRUCTION EXIT (TYPE 1 N.T.S. GENERAL NOTES: - 1. THE LENGTH OF THE TYPE 1 CONSTRUCTION EXIT SHALL BE AS INDICATED ON THE PLANS, BUT NOT LESSS THAN 50'. - 2• THE COARSE AGGREGATE SHOULD BE OPENED GRADED WITH A SIZE OF 4" TO 8". 3 THE APPROACH TRANSITIONS SHOULD BE NO STEEPER THAN 6:1 AND CONSTRUCTED AS DIRECTED BY THE ENGINEER. 4. THE CONSTRUCTION EXIT FOUNDATION COURSE SHALL BE FLEXIBLE BASE, BITUMINOUS CONCRETE, PORTLAND CEMENT CONCRETE OR OTHER MATERIAL. AS APPROVED BY THE ENGINEER. 5. THE CONSTRUCTION EXIT SHALL BE GRADED TO ALLOW DRAINAGE TO A SEDIMENT TRAPPING DEVICE. — 6 of `.. A CITY OF LA P�JRTE DWN: JR THE GUIDELINES SHOWN HEREON ARE SUGGESTIONS ONLY AND MAY BE o MODIFIED BY THE ENGINEER. �+ ' m PLANNING DEPT.ENGINEE UNG DIV. CK IRS 7 ��.ti����� OF D: THE LOCATION AND NUMBER OF CONSTRUCTION EXITS SHALL BE APPROVED ^���P�E Te�gs�e1 604 W. FAIRMONT PI WY. LA PORTE. TEXAS, 7'571 BY THE ENGINEER. *,• .*i TAs 281-471-5020; FAX: 281-• 70-5005 APP'D: RS RODNEY•LEE. SLATON - _ Saale: tir �.•• 90298 ARIZONA STREE 1• �1�oT PFc�STERF�''w.: NONE — I' SsoNAL EN S= D" TO FROM EAST Date: EAST "E" STREETS_ 012 The sealppearing on Project Project o.: No.: this document was DRAINAGE IMPROVEMENTS - authorized by -- RODNEY LEE SLATON SHEET: P.E. 90298, on - SW3P DETAILS 8 OF SPACING CLOSE SHEETING OPEN SHEETING PLAN STRINGER oo• r TIMBER TRENCH SHORING CROSS BRACE SIZE AND SPACING OF MEMBERS UPRIGHTS STRINGERS CROSS BRACESI DEPTH OF TRENCH KIND OR CONDITION OF EARTH WIDTH OF TRENCH MAXIMUM SPACING MINIMUM MAXIMUM MINIMUM MAXIMUM DIMENSIONS SPACING DIMENSIONS SPACING UP TO 3 3 TO 6 6 TO 9 9 TO 12 12 TO 15 VERTICAL HORIZONTAL FEET FEET FEET FEET FEET FEET TYPE INCHES FEET INCHES FEET INCHES INCHES INCHES INCHES INCHES FEET FEET 5 TO 10 (A) HARD, COMPACT 3x4 OR 2x6 6 2x6 4x4 4x6 6x6 6x8 4 6 (B) LIKELY TO CRACK 3x4 OR 2x6 3 4x6 4 2x6 4x4 4x6 6x6 6x8 4 6 (C) SOFT, SANDY, OR FILLED 3x4 OR 2x6 4x6 4 4x4 4x6 6x6 6x8 8x8 4 6 SHEETING (D) HYDROSTATIC PRESSURE 3x4 OR 2x6 CLOSE SHEETING 6x8 4 4x4 4x6 6x6 6x8 8x8 4 6 10 TO 15 (A) HARD, COMPACT 3x4 OR 2x6 4 4x6 4 4x4 4x6 6x6 6x8 8x8 4 6 (B) LIKELY TO CRACK 3x4 OR 2x6 2 4x6 4 4x4 4x6 6x6 6x8 8x8 6 (C) SOFT, SANDY, OR FILLED 3x4 OR 2x6 CLOSE 4x6 4 4x6 6x6 6x8 8x8 8x10 4 6 SHEETING (D) HYDROSTATIC PRESSURE 3x6 CLOSE SHEETING 8x10 4 4x6 6x6 6x8 8x8 8x10 4 6 15 TO 20 (E) ALL KINDS OF CONDITIONS 3x6 CLOSE SHEETING 4x12 4 4x12 6x8 8x8 8x10 10x10 4 6 OVER 20 (E) ALL KINDS OF CONDITIONS 3x6 CLOSE SHEETING 6x8 4 4x12 8x8 8x10 10x10 10x12 4 6- 1.TRENCH SAFETY SYSTEM TO MEET, AS A MINIMUM, THE REQUIREMENTS OF OSHA SAFETY AND HEALTH REGULATIONS PART 1926, SUBPART P AND Q. 2. THE CONTRACTOR MAY ELECT TO USE AN ALTERNATE SYSTEM TO THE TIM- DER TRENCH SHORING SHOWN IN THE .TABLE, THE ALTERNATE SYSTEN BE IT A TRENCH BOX, STEEL SHEET PILING, TRENCH JACKS OR A COMBI ATION OF THE ABOVE, MUST BE CERTIFIED BY THE CONTRACTOR'S REGISTEF"D PROFESSIONAL ENGINEER THAT IT PROVIDES EQUAL OR GREATER PRE"EC- TION THAN THE TIMBER TRENCH SHORING SHOWN ON THIS DETAIL SH ET. 3. CONTRACTOR SHALL PERFORM DAILY TRENCH SAFETY SYSTEM INSPEC'[ONS TO INSURE THAT THE SYSTEM MEETS OSHA REQUIREMENTS AND IS AF'RO- PRIATE FOR SPECIFIC SITE CONDITIONS OF THE OPEN TRENCH, INSPE:- TIONS ARE REQUIRED AFTER RAINSTORMS OR ANY CHANGE IN CONDITIONS THAT MAY INCREASE THE POSSIBILITY OF A CAVE-IN OR SLIDE, 4. IN THE EVENT THAT TRENCH UPRIGHTS CAN NOT BE PLACED BELOW 'RENCH BOTTOM AS SHOWN ON DETAIL, CONTRACTOR MUST PROVIDE ENGINEEF WITH PLANS THAT DEMONSTRATE THAT THE UPRIGHTS WILL BE BRACED AN MAINTAINED IN A VERTICAL POSITION, 5. WHERE THE TRENCH SAFETY SYSTEM CROSSES A UTILITY, THE UTILITY LINE MUST BE ADEQUATELY SUPPORTED TO PREVENT ANY DAMAGE, IN ADDITION, IN TRENCHES WITH CLOSED SHEETING, THE UPRIGHTS MUS" SURROUND THE UTILITY, OPEN TRENCH SHEETING SPACING MUST BE ADJUSTED AS TO NOT EXCEED THE MAXIMUM ALLOWED SPACING, (NO SEPARATE PAY) 6. TRENCH SHALL BE DRAINED AS REQUIRED SO WORK MAY BE ACCOMPL SHED SAFELY AND EFFICIENTLY, IF NECESSARY, INSTALL DEWATERING SYS EM TO PROVIDE A DRY TRENCH BOTTOM, DELIVER DISCHARGE FROM SYST:M TO NATURAL DRAINAGE CHANNEL OR TO STORM DRAINS, 7.IN TRENCHES FOUR FOOT DEEP OR MORE, CONTRACTOR TO PROVIDE F)E- QUATE MEANS OF TRENCH EXIT SUCH AS LADDER OR STEPS AND THE MUST BE LOCATED SO AS TO REQUIRE NO MORE THAN 25 FEET OF LATERAL TRAVEL. 8. MEASURE 'PERMANENT TIMBER TRENCH SHORING' BY LINEAR FOOT OF 1, TRENCH JACKS MAY BE USED IN LIEU OF, OR IN COMBINATION WITH, CROSS BRACES, SHORING IS NOT TRENCH PROTECTED. PAYMENT IS BY STATED SAME LINEAR FEET OF RENCH REQUIRED IN SOLID ROCK; HARD SHALE, OR HARD SLAG AD DETERMINED BY GEOTECHNICAL ENGINEER, PROTECTED EARTH CONDITIONS NOTED IN THE PROPOSAL (BID). WHERE DESIRABLE, STEEL SHEET PILING AND BRACING OG EQUAL STRENGTH MAY BE SUBSTITUTED FOR WOOD, < > DESIGNATION FOR PROPOSAL (BID) PURPOSES 9. STRINGERS AND BRACES TO BE SECURELY FASTENED, <) FROM OSHA SAFETY AND HEALTH REGULATIONS PART 1926, SUBPART P. 10. TRENCH SHORING SYSTEM HAS BEEN DESIGNED WITH NO ALLOWANCE FOR LIVE LOAD SURCHARGE, IF LIVE LOAD SURCHARGE IS ANTICIPAT:D 2, SIZE OF TIMBER MEMBERS ARE ROUGH CUT TIMBER DIMENSIONS (FULL SIZE) IT SHALL NOT BE PLACED WITHIN 2 FEET OF EDGE OF TRENCH AND :ONTRAC- TOR'S REGISTERED PROFESSIONAL ENGINEER SHALL DESIGN TRENCH :O6R- ING SYSTEM TO ACCOMMODATE THE ANTICIPATED LIVE LOAD SURCHARGE. MINIMUM 11.TIMBER SIZES ARE BASED ON STRESSES OF 1650 PSI FOR EXTREME I[BER BENCH MAXIMUM ALLOWABLE IN BENDING AND 1450 PSI FOR COMPRESSION PARALLEL WITH GRAIN, WIDTH SLOPE DETERMINED BY GEOTECHNIC, ENGINEER 12.EARTH TRENCH CONDITIONS FOR THIS PROJECT ARE ANTICIPATED TO 3E AS SHOWN IN THE GEOTECHNICAL REPORT AVAILABLE FROM ENGINEEF 13.TIMBER TRENCH SHORING TABLE SHOWN ON THIS DEATIL SHEET IS G OD FOR PIPES WITH O,D, OF UP TO 48 INCHES, THE DESIGN "ENGINEER S; ALL 1' MIN, PROVIDE SEPARATE DESIGN FOR PIPE WITH O,D, LARGER THAN 48 IN HES, 16.SLOPES FOR EXCAVATIONS SHALL BE AS FOLLOWS, A) SOLI➢ ROCK, SHALE OR CEMENTED SAND & GRAVELS = 90° B) COMPACTED ANGULAR GRAVELS = 1/2 11 C) RECOMMENDED SLOPE FOR AVERAGE SOLIDS = 1 1 a D) COMPACTED SHARP SAND = 1 1/2 1 A�' PROJECTED MAXIMUM ALLOWABLE E) WELL ROUNDED LOOSE SAND = 2 1 STRINGER SLOPE DETERMINED BY -- QQ� GEOTECHNICAL ENGINEER 16.CLAYS, SILTS, LOAMS OR NON -HOMOGENOUS SOILS' REQUIRE SHORING AND BRACING, THE PRESENCE OF GROUND WATER REQUIRES SPECIAL TREATMENT. UPRIGHT NOTE, CLAYS, SILTS, LOAMS, OR NON -HOMOGENEOUS SOILS REQUIRE SHORING AND BRACING TRENCH JAG(-1 SEE NOTE 4 MAXIMi ALLOW SLOPE (DETEI pp• BY GE UPRIGHT ENGINI STEEL SHEET PILING PENETRATION AS DETERMINED BY CONTRACTOR'S REG, PROF. ENGINEER TRENCH JACK AND STRINGER PENETRATION AS DETERMINED BY CONTRACTOR'S REGISTERED PROFESSIONAL ENGINEER UNSHORED SLOPED TRENCH ofm CITY OF LA F ORTE OWN: JR Am PLANNING DEPT.ENGINE :RING DIV. CK D: RS ofT ,,%W, 604 W. FAIRMONT I 'KWY. LA PORTE. TEXAS, 77571 281-471-5020• FAX: 281 •470-5005 APP'D: IRS RaoN ,..E98 ..::: ARIZONA STREET Scale: I A• sozsa NONE ALTERNATE SYSTEM I�f�'oT BFO/SrERE� t�,;SsoNA� ENG= FROM EAST "D" ' -O Date: n n STREETS JAN, 2012 � he e seal appearing on EASTE Project No.: this document was DRAINAGE IMPROVEMENT > __ authorized by SHEET: RODNEY LEE SLATON P.E. 90298, on TRENCH SAFETY DET AILS 8 OF 8