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HomeMy WebLinkAbout2997-12E MAIN LINE RCP OR REINFORCED MONOLITHIC ARCH. SEE NOTE 21/2 (TYP.)__�t .. 80 MIN, 3 c -,� IS�� � m 'I I EDGES ID }600 mm (24') OR OD > 1/2 MAIN LINE ID mm:(31) �1 ELEV, S ) / e E LATERAL/ USE WITH STANDARD SPECIFICATIONS FOR PUBLIC WORKS CONSTRUCTION •;'.• 45� Figures 405:28 and ' 405.2G' :show: • , .: • . CONNECTOR PIPE F OARS I5M. 05) \ f 285 Ko -C-14 Mpa L O 73 min .(31 OC L UN61STURBE6 I �Q. �• •' CONCRETE 'CRADLE: further by widening half (or :other EARTH H H 265-C-14 (450 -C -2000). - designs'may be used in urban areas where RELATIVE DENSITY constraints exist, speeds are moderate and' SEE NOTE 9 traffic volumes are relatively lows SECTION ti J (e SECTION fiN-M ROUND ( 1 SM O ISO mn a as delineate the. left -turn move and to dis- (EDGE courage through traffic from drifting into �0. (84 0 6') OC m o o `- Z TO 75.mrn , l3') R I3M (•4) CIRCULAR TIES. I IOM O 4.56 W . t- z z appropriate. On rural high-speed FOR OUTLET SEE STD. �_+- edge of traveled way at intervals meastutid from point mw -. . 03 OR •4 0.18') CATCH BASIN PLANS W w so 3Dl � 2$P 4loll CATCH BASIN FLOOR 1 O� OC TIE' BARS L) z N W 0 CONC. PIPE. I �' E AND F BARS RCP OR CSP o: •t , ,t , the through .lanes,. as in Figtu'es 405.2B BEDDING 15M 0 .75 e11n '' 1052B maybe reduced 15 to 30 kmlh for QED� � OD Is'- cross streets. :are closely spaced and 60- 9 70 113 deceleration len cannot be achieved, � (05 0 36) OC.. the :District Traffic branch should be 80 132 CASE I 90 ] 50 • SECTION C -C SEE- NOTE a L_ !' ' m -} STA. POINT n CONN C o l TABLE Igo � SEE NOTE ;3 VALVES R' I3•l MIN: 1 i l l 1 1 1 1: �� I�• ���®�®�r�c I STA: POINT B LATERAL SEE NOTE: 3 300 mm 1121). PLAN .130 375 mm (1Y1 130 � "- 450. mm (1e•1 130.1 325 mm (2I1) 130 1 SPUR IOM 0 430 .rwh 1.3 OR •4 0.180) 600.mm 124-1 140 r 67S ,mm (2T)..140 1 OC: TIE BAR .Q': 750 mm (30'1 150 1 REINFORCING STEEL I GBARS :15M .ISO mm 1.4 O 6') C. 825 mm i133') :170 r �-.� ~ 900: "nn, (36.11 :170 r 80 mm (3') .MIN. 975 mm (39.1 .180 1 SPRING LINE OUNDI . � c -,� IS�� � m bTIE' BARS � � � I EDGES ID }600 mm (24') OR OD > 1/2 MAIN LINE ID ELEV. `R Ist3 INN ELEV, S ) / E BARS oc O 80 G:BARS USE WITH STANDARD SPECIFICATIONS FOR PUBLIC WORKS CONSTRUCTION •;'.• 45� Figures 405:28 and ' 405.2G' :show: • , .: • . I F OARS I5M. 05) \ f 285 Ko -C-14 Mpa point of the approach. taper -so -that part of O 73 min .(31 OC L UN61STURBE6 I �Q. �• •' CONCRETE 'CRADLE: further by widening half (or :other EARTH H H 265-C-14 (450 -C -2000). - designs'may be used in urban areas where RELATIVE DENSITY constraints exist, speeds are moderate and' SEE NOTE 9 traffic volumes are relatively lows SECTION Z -Z (e SECTION fiN-M AMERICAN PUBLIC WORKS ASSOCIATION -SOUTHERN CAUFORNIACHAPTER' Nftq wTw rf Tme JUNCTION STRUCTURE PIPE.TO PIPE INLET STANDARD "N 600 .trim .(24') TO :750: mm.(30') . ID }600 mm (24') OR OD > 1/2 MAIN LINE ID METRlC 1331-.2 INN 1 bF2 S Fmv''we SHEET t OF 2 USE WITH STANDARD SPECIFICATIONS FOR PUBLIC WORKS CONSTRUCTION 1 ."3/29199) NOTES 1. THIS :JUNCTION STRUCTURE SHALL BE USED WHEN THE`.OU:TSIDE DIAMETER OF THE LATERAL IS' GREATER. THAN 1/2 THE INSIDE DIAMETER :D OF THE MAIN LINE; OR WHEN: -THE INSIDE DIAMETER B OF THE LATERAL :IS GREATER THAN 600 mm (2140).:, B SHALL. [NOT: EXCEED.75 .D OR 975..mm '(39'). 2. IF THE MAIN :LINE. IS A REINFORCED MONOLITHIC ARCH STORM DRAIN. 0 SHALL REFER TO THE CLEAR .SPAN OF THE ARCH. REINFORCING STEEL SHALL BE CUT AND BENT INTO THE' JUNCTION STRUCTURE. IN: THE SAME MANNER AS .FOR A PIPE, A CONCRETE CRADLE IS N0T REQUIRED FOR- A REI.NFORCEO MONOLITHIC ARCH. - 3. . STATIONS SHOWN ON THE. PROJECT DRAWINGS POP LATERALS .APPLY AT THE INTERSECTION. OF CENTER LINES: 0MAIN LINE AND LATERAL; :STATIONS SHOWN ON THE PROJECT -:DRAWINGS. FOR CATCH BASIN CONNECTOR 'P'IPES APPLY AT THE .INTERSECT.ION: OF THE INSIDE :WALL 'OF THE MAIN LINE WITH THE CONNECTOR PIPE CENTERLINE: 4. VALUES FOR- A. b. C AND D SHALL: BE SHOWN ON THE..PROJECT DRAWINGS:: ELEVATION R AND ELEVATION S SHALL. BE,SHOWN. ONLY WHEN REOUIRED PER NOTE 5. 5. d- ELEVATIONS R AND S. NEED NOT BE SHOWN. ON THE PROJECT DRAWINGS IF THE INLET PIPE IS T.0ENTER THE MAIN LINE RADIALLY'. b. ELEVATION. R .SHALL :BE .SHOWN: ON 'THE PROJECT -DRAWINGS. ONLY: IF A STUB IS TO BE PROVIDED IN THE MAIN LINE FOR FUTURE .CONNECTION: OF AN INLET PIPE. c. ELEVATION S SHALL 'BE SHOWN ON THE 'PROJECT :DRAWINGS IF .AN INLET PIPE IS TO ENTER THE MAIN LINE OTHER THAN RADIALLY; INLET .PIPE SHALL BE LAID ON :A STRAIGHT GRADE..FROM ELEVATION S TO THE: CATCH BASIN OR GRADE BREAk' IN ,LINE:: 6. THE ..INLET PIPE SHALL ENTER THE. MAINLINE RADIALLY UNLESS OTHERWI:$E INDICATED. THE INLET PIPE, MAY ENTER 'THE MAIN LINE OTHER THAN RADIALLY .IF.ANGLE •A IS GREATER THAN -45°„ B- IS LESS THAN OR.. EOU.AL TO 600 mm.(24'). AND THE. OUTSIDE DIAMETER OF THE. INLET PIPE IS LESS THAN .3 0: OTHERWISE. STANDARD PLAN 340 SHALL BE USED'4: 7. NO MORE THAN ONE OPENING SHALL. BE. MADE IN. ANY :ONE SEC:TtON OF PLPE. 8. THE. OPENINt; FOR THE BREAKOUT SHALL. BE: RECTANGULAR..AND .CUT NORMAL TO THE. P,I.PE :SURFACE WITHOUT 'DAMAGING. THE REINFORCING STEEL, THE TRANSVERSE. REINFORCEMENT OF THE MAIN LINE:'SHALL.'BE CUT AT THE CENTER OF THE OPENING AND BENT INTO THE TOP AND BOTTOM: SLABS, OF THE SPUR. 9. THE MAIN LINE SHALL BE REINFORCED WITH A. CONCRETE CRWOLE AND: .EN ' CASEMENT (AS APPLICABLE). A CONCRETE ENCASEMENT IS REOUIRED. IF .A JINT IN THE..MAIN LINE. FALLS WITHIN THE LIMITS OF THE; tR.ADLE. -TH.E CONCRETE ENCASEMENT SHALL EXTEND 300 mm (120) ABOVE THE. :TOP OF THE MAIN LINE AND TO THE. LIMITS OF THE' CRADLE. IF CONNECTING TO AN EXISTING STORM. DRAIN, PORTION -OF -CRADLE .OPPOSITE INLET MAY BE: OMITTED, 10. REINFORCING STEEL SHALL: CONFORM TO ASTM A -615M: GRADE: 100i (ASTM A. 615: GRADE 40); AND BE :PLACED 4.0. inm (1:.1/20) CLEAR. FROM. C0NCR ETE SURFACES•. UNLESS OTHERWISE SHOWN F BARS SHALL BE CARRIED. TO A POINT NOT LESS THAN J DISTANCE FROM CENTER LINE WITH .J=7DA1 + 166 trim.(6'): 11. FLOOR OF THE SPUR SHALL BE :STEEL -TROWELED TO. THE SPRING LINE OF THE SPUR. 12. DIMENSIONS. SHOWN :ON THIS:.PLAN FOR METRIC .AND ENGLISH UNITS :ARE :NOT EXACT.E4.UAL VALUES. IF METRIC VALUES ARE. USED.: ALL VALUES. USED P:OR. CONSTRUCTION SHALL :BE.METRIC ,.VALUES. EXCEPT REINFORCING: BARS: SIZES. IN ENGLISH .UNITS MAY BE SUBSTITUTED FOR METRIC BAR :SIZES.. IF .ENGLISH UNITS: ARE USED. ALL VALUES USED FOR: CONSTRUCTION SHALL BE ENGLISH UNITS: AMERICAN PUBLIC WORKS ASSOCIATION -SOUTHERN. CALIFORNIA CHAPTER . gT,wOmd p(,pN JUNCTION STRUCTURE --•- PIPE TO PIPE INLET '"EM'C 331-.2. ID > .600 mm (24') ISM a 300 mm t•4 a 12"'7 sHEEr20F2 OR ODy 1/2 MAIN LINE ID 330-C-23 t5e;0 t•J0 Ilan 6') t�11N CUT 140. 2 CUT NO. I LINE-"- 0 INEq� 90• CUT . . NO. 2 LINE 150 .mm CUT N( 6') MIN Xaa IOc ... DET -Alt wA' (SEE ROTE 10) SONO -TUBE. OR EQUAL. INTERIOR FORM CUT NO. 'Ir SAW THE 'TUBE AT AN ANGLE OF A/2 WITH THE TRANS- VERSE PLANE. REVERSE ONE ,SEwTION AND TAPE 80TH SECTIONS TOGETHER :FORMING THE DEFLECTION ANGLE A., CUT No.:2i SAW THE TUBE LONGITUDINALLY .REMOVING.A:STRIP 3.14 (Oa -D ), WIDE ON THE SIDE OPPOSITE. THE .OPEN JOINT. BEND THE :ENDS OF THE CUT TOGETHER AND INSERT THE TUBE IN THE PIPE. IN'rLrli I Oil .SURFACE OF PIPE DETAIL "B" TYPICAL .JO.INT:FOR REINFORCED. CONCRETE -:C=3250) CONCRETE N I / • INEW IDR. EXfST: PIPE FLOW . ... .. SCO ;� ••r: ir: c I ICA ISM a 300 inn, l•4 0 12') 3- 0 L T 300 mm (12•) .300 mm 021 100 mm (40) 4.50 mm (180) 300 mm 11124 123 mn (S`) 60.0 nim (20 306 mm (12') 150. mm.(611) 750 inm 001 450,mon (Ie') 175 mm 171 900 mm (361 450.mn II13.1- 225:6wh I91. 1050 mm (42') 450.MM (113') 225 nim. t9'11 1200 mm 148. 450:nirn IIt3.1` 250 nwn (101 1425 mm (5711450 rhm (lli•): 280_ mn (10') 1500 mm (60• 525 .mm (2111) 275. rrrri. {II•); 1650 illm 166' 525 'Winn_ 12111275 r1lm 111'); 1800 a►m .(72') 600 rrlin. (24. 300 mm (12') mmmmmm MM PIPE: AMERICAN PUBLIC WORKS ASSOCIATION -.SOUTHERN -CALIFORNIA CHAPTER P"OwXUTwwrTw, CONCRETE COLLAR FOR RCP � M MIX WORT@ STMI0�AR03 INC., ETRIC W� TT>� 300'mm 12' THROUGH .1$00 -mm 380-3 REV' toob USE WITH STANDARD SPECIFICATIONS FOR PUBLIC WORKS CONSTRUCTION SHEET NOTES' • 1, A CONCRETE COLLAR IS:REpUIRED' WHEkE THE CHANGE. IN GRAbE: EXCEEDS 10 PERCENT. 2. �OR CURVE JOINTS (SEE: DETAIL B:. SHEET 11 IF THE EXTREME ENDS' OF THE PIPE :LEAVE `A CLEAR. -SPACE THAT IS_:GREATER THAN 25: mm 01.- BUT IS LESS THAN 75 iltm((30) A CONCRETE COVER.. LS REQUIRED IN: ACCORDANCE WITH SUBSECTION: 306=1:2.4 OF THE 53RWC. 1F THE EXTREME E1VbS; OF, THE PIPE LEAVE A CLEAN':. SPACE THAT tS: EQU;AG OR GREATER THAN. 75 mm;(3')i• BUT LESS :THAN TO I50..Irtrt1 (6'). A CONCRETE COLLAR. IS REQUIRED.' IF' THE CLEAR. SPACE IS 150 mm (61OR GREATER, A TRANSI:TION::STRUCTUFtE IS REQUIRED. 3. CONCRETE 'COLLAR SHALL NOT BE USEDFOR A SIZE CHANGE OtV :THE MAIN LINE. 4. CONNECTOR -PIPES A WHERE :PIPES. OF DIFF;ERENT'DIAMETERS ARE JOINED WLTH A. CONCRETE COLLAR, LAND . T SHALL . BE .THOSE OF THE :LARGER PIPE. D= 01 OR D2. WHICHEVER IS -GREATER. B WHEN `01 IS EQUAL TO 'OR LESS THAN; 02. JOIN INVERTS AND WHEN 01 IS :GREATER :THAN OZ:: JOIN SO.FFIT5;. 'S': FOR PIPE LARGER TNANI800 mrn (121 SPECIAL:: COLLAR: DETAILS :ARE. REOULRED. ' 6. FOR p1PE SIZE NOT LISTED USE NEXT SIZE LARGERI,. 7, REINFORCEMENT SHALL CONFORM TO -ASTM A: 615 M (A .6 15.) GRADE 300(40). 8. WHERE: REI:NF':ORCINGISREOUIRED.THE: 61AMETER :OF THE CIRCULAR 'TIES SHALL BE 0+(2X `WALL THICKNESS) +. T.. , 9. 'REINFORCING SHALL BE.USED WHERE: THE PIPE ;DIAMETER LS ...., ... :GREATER THAN 525 mm (21'} AND ON. ALL ':PIPES :WHERE -.:THE SPACES BETWEEN THE EXTRCMEOUTER ENDS IS 75 mm I33I OR LARGER.: CIRCULAR TiESi :WHERE THE SPACE BETWEEN PIPE ENDS: EXCEEDS..T5 mm .i3'):' ._THE NUMBER OF CIRCULAR. 'TIES"SHALL BE. INCREASED TO. MAINTAIN AN .. APPROXIMATE SPACING OF :150 mm (6') 0. C. `l0:. WHERE THE P.IP.E IS $25. mm ('21') OR LESS IN: DIAMETERS AN INTERIOR FORM OF UNSEALED SONO -TUBE; OR EQUAL' SHALL BE USED TO PROVIDE.:A SMOOTH INTERIOR J0.1NT.: THE PAPER FORM'MAY 13E :LEFT IN LACE.: (SEE DETAIL. A): WHEN:'THE.'PIPE IS .600 mm. (2:4') OR LARGER A ;REMOVABLE. INTERIOR FORM SHALL .BE: U$EO.OR THE. . INTERIOR: JOINT SHALL BE COMPLETELY FILLED: WITH :MORTAR: AND :NEATLY; POINTED. !l: ::DIMENSIONS SHOWN .ON :THIS. PLAN, FOR METRICiANO. ENGLISH. UNI. ' :ARE. NOT EXACT. EOUALVAI.UESi.. IR.METRI:C VALUES: -ARE .USED, ALL VALUES: USED :FOR CONSTRUCTION :SHALL:.:: BE: METRIC. :VALUES;: EXCEPT RELNFORCLNG,.BAR : SIZES_ IN .ENGLISH UNITS MAY 8E _$UBST.ITUTED::FOR 'METRICB:AR SIZES: IF.ENGI:ISH.UNI'f.S..ARE NO. OF CIRCULAR TIES 525 mrn: (21') OR LESS ` 600 .trim .(24') TO :750: mm.(30') . situations where space .is. available, .825 :mm 13.31) TO 1425: mm (57') 4. 1 bF2 S STEP 8 SHEET t OF 2 INLET PIPE. •;'.• 45� Figures 405:28 and ' 405.2G' :show: BACKFILL. WITH I SEE NOTE 6 450 285 Ko -C-14 Mpa point of the approach. taper -so -that part of I I L (450-C-20001 O�NC ETE OR) �Q. �• •' � further by widening half (or :other COMPACT SOIL TO * ' ' .,� AD=Length ot Taper. AB a Bc _ CD = V3 AD designs'may be used in urban areas where RELATIVE DENSITY constraints exist, speeds are moderate and' , I.enGTw ol= OFFSET: traffic volumes are relatively lows REQUIRED BY (c) Bay Taper - A reversing curve along, the. (e • SPECIFICATIONS 1 o o o Is 2.25 1 a.o 0048 ' oosT "o.os7 .thin ba taper •should' be short to 'clearly . y UNDISTURBED EARTH delineate the. left -turn move and to dis- BEDbING. PER courage through traffic from drifting into a ,3.6 :13 ,:so 1.es :,.eo 30 mm(10') SPECIFICATIONS t 13•e 202527 2.68 2-84. j3.10y. 15 22.5. 30 2.91 •3.09 :3.3e I3M (•4) CIRCULAR TIES. I SFE NDTF 9 is si • se a:o :3.3 a.e . SECTION t•J0 Ilan 6') t�11N CUT 140. 2 CUT NO. I LINE-"- 0 INEq� 90• CUT . . NO. 2 LINE 150 .mm CUT N( 6') MIN Xaa IOc ... DET -Alt wA' (SEE ROTE 10) SONO -TUBE. OR EQUAL. INTERIOR FORM CUT NO. 'Ir SAW THE 'TUBE AT AN ANGLE OF A/2 WITH THE TRANS- VERSE PLANE. REVERSE ONE ,SEwTION AND TAPE 80TH SECTIONS TOGETHER :FORMING THE DEFLECTION ANGLE A., CUT No.:2i SAW THE TUBE LONGITUDINALLY .REMOVING.A:STRIP 3.14 (Oa -D ), WIDE ON THE SIDE OPPOSITE. THE .OPEN JOINT. BEND THE :ENDS OF THE CUT TOGETHER AND INSERT THE TUBE IN THE PIPE. IN'rLrli I Oil .SURFACE OF PIPE DETAIL "B" TYPICAL .JO.INT:FOR REINFORCED. CONCRETE -:C=3250) CONCRETE N I / • INEW IDR. EXfST: PIPE FLOW . ... .. SCO ;� ••r: ir: c I ICA ISM a 300 inn, l•4 0 12') 3- 0 L T 300 mm (12•) .300 mm 021 100 mm (40) 4.50 mm (180) 300 mm 11124 123 mn (S`) 60.0 nim (20 306 mm (12') 150. mm.(611) 750 inm 001 450,mon (Ie') 175 mm 171 900 mm (361 450.mn II13.1- 225:6wh I91. 1050 mm (42') 450.MM (113') 225 nim. t9'11 1200 mm 148. 450:nirn IIt3.1` 250 nwn (101 1425 mm (5711450 rhm (lli•): 280_ mn (10') 1500 mm (60• 525 .mm (2111) 275. rrrri. {II•); 1650 illm 166' 525 'Winn_ 12111275 r1lm 111'); 1800 a►m .(72') 600 rrlin. (24. 300 mm (12') mmmmmm MM PIPE: AMERICAN PUBLIC WORKS ASSOCIATION -.SOUTHERN -CALIFORNIA CHAPTER P"OwXUTwwrTw, CONCRETE COLLAR FOR RCP � M MIX WORT@ STMI0�AR03 INC., ETRIC W� TT>� 300'mm 12' THROUGH .1$00 -mm 380-3 REV' toob USE WITH STANDARD SPECIFICATIONS FOR PUBLIC WORKS CONSTRUCTION SHEET NOTES' • 1, A CONCRETE COLLAR IS:REpUIRED' WHEkE THE CHANGE. IN GRAbE: EXCEEDS 10 PERCENT. 2. �OR CURVE JOINTS (SEE: DETAIL B:. SHEET 11 IF THE EXTREME ENDS' OF THE PIPE :LEAVE `A CLEAR. -SPACE THAT IS_:GREATER THAN 25: mm 01.- BUT IS LESS THAN 75 iltm((30) A CONCRETE COVER.. LS REQUIRED IN: ACCORDANCE WITH SUBSECTION: 306=1:2.4 OF THE 53RWC. 1F THE EXTREME E1VbS; OF, THE PIPE LEAVE A CLEAN':. SPACE THAT tS: EQU;AG OR GREATER THAN. 75 mm;(3')i• BUT LESS :THAN TO I50..Irtrt1 (6'). A CONCRETE COLLAR. IS REQUIRED.' IF' THE CLEAR. SPACE IS 150 mm (61OR GREATER, A TRANSI:TION::STRUCTUFtE IS REQUIRED. 3. CONCRETE 'COLLAR SHALL NOT BE USEDFOR A SIZE CHANGE OtV :THE MAIN LINE. 4. CONNECTOR -PIPES A WHERE :PIPES. OF DIFF;ERENT'DIAMETERS ARE JOINED WLTH A. CONCRETE COLLAR, LAND . T SHALL . BE .THOSE OF THE :LARGER PIPE. D= 01 OR D2. WHICHEVER IS -GREATER. B WHEN `01 IS EQUAL TO 'OR LESS THAN; 02. JOIN INVERTS AND WHEN 01 IS :GREATER :THAN OZ:: JOIN SO.FFIT5;. 'S': FOR PIPE LARGER TNANI800 mrn (121 SPECIAL:: COLLAR: DETAILS :ARE. REOULRED. ' 6. FOR p1PE SIZE NOT LISTED USE NEXT SIZE LARGERI,. 7, REINFORCEMENT SHALL CONFORM TO -ASTM A: 615 M (A .6 15.) GRADE 300(40). 8. WHERE: REI:NF':ORCINGISREOUIRED.THE: 61AMETER :OF THE CIRCULAR 'TIES SHALL BE 0+(2X `WALL THICKNESS) +. T.. , 9. 'REINFORCING SHALL BE.USED WHERE: THE PIPE ;DIAMETER LS ...., ... :GREATER THAN 525 mm (21'} AND ON. ALL ':PIPES :WHERE -.:THE SPACES BETWEEN THE EXTRCMEOUTER ENDS IS 75 mm I33I OR LARGER.: CIRCULAR TiESi :WHERE THE SPACE BETWEEN PIPE ENDS: EXCEEDS..T5 mm .i3'):' ._THE NUMBER OF CIRCULAR. 'TIES"SHALL BE. INCREASED TO. MAINTAIN AN .. APPROXIMATE SPACING OF :150 mm (6') 0. C. `l0:. WHERE THE P.IP.E IS $25. mm ('21') OR LESS IN: DIAMETERS AN INTERIOR FORM OF UNSEALED SONO -TUBE; OR EQUAL' SHALL BE USED TO PROVIDE.:A SMOOTH INTERIOR J0.1NT.: THE PAPER FORM'MAY 13E :LEFT IN LACE.: (SEE DETAIL. A): WHEN:'THE.'PIPE IS .600 mm. (2:4') OR LARGER A ;REMOVABLE. INTERIOR FORM SHALL .BE: U$EO.OR THE. . INTERIOR: JOINT SHALL BE COMPLETELY FILLED: WITH :MORTAR: AND :NEATLY; POINTED. !l: ::DIMENSIONS SHOWN .ON :THIS. PLAN, FOR METRICiANO. ENGLISH. UNI. ' :ARE. NOT EXACT. EOUALVAI.UESi.. IR.METRI:C VALUES: -ARE .USED, ALL VALUES: USED :FOR CONSTRUCTION :SHALL:.:: BE: METRIC. :VALUES;: EXCEPT RELNFORCLNG,.BAR : SIZES_ IN .ENGLISH UNITS MAY 8E _$UBST.ITUTED::FOR 'METRICB:AR SIZES: IF.ENGI:ISH.UNI'f.S..ARE NO. OF CIRCULAR TIES 525 mrn: (21') OR LESS ` 600 .trim .(24') TO :750: mm.(30') . situations where space .is. available, .825 :mm 13.31) TO 1425: mm (57') 4. 1 bF2 S PIPE" D;I AME;TER NO. OF CIRCULAR TIES 525 mrn: (21') OR LESS ` 600 .trim .(24') TO :750: mm.(30') . situations where space .is. available, .825 :mm 13.31) TO 1425: mm (57') 4. 1500, mm '(60'} TO. 1800 mm (72') S �USED►• ALL VALUES USED :FOR CONSTRUCTION SHALL BE ENGLISHUNITS. t LATERAL/CONNECTOR PIPE CONC. PIPE, RCP OR CSP � MAIN LINE RCP C AMERICAN PUBLIC WORKS ASSOCIATION- SOUTHERN CALIFORNIA CHAPTER sTANDARDPIArI METRIC:: ::380 - 3 CONCRETE COLLAR FOR RCP- :300 mm 12" THROUGH 1800trirri�SHEET20F2 SHEET 2 OF 2 CASE I PLAN 265 K C-14 Mpo �� I laso-�-2oo�t • CONC. 6NCA8 MENT, r SEE NOTE S �6 • SEE -NOTE 3 5 rrlln 1/ ' ! I SEE NOT 4 LI CASE 2 (SEE NOTES 9 t3 10) 100 vAelee W% MAINLINE RCP �0���, . 1 2 1 5 mn 11/2'1 MIN. I SHEET 2 OF 2 situations where space .is. available, SEE NOTE 4. I18 1 o. REDOING OF uclan areas :with high traffic spet;ds STEP 8 SHEET t OF 2 INLET PIPE. •;'.• 45� Figures 405:28 and ' 405.2G' :show: BACKFILL. WITH I SEE NOTE 6 450 285 Ko -C-14 Mpa point of the approach. taper -so -that part of I I L (450-C-20001 O�NC ETE OR) �Q. �• •' � further by widening half (or :other COMPACT SOIL TO * ' ' .,� AD=Length ot Taper. AB a Bc _ CD = V3 AD designs'may be used in urban areas where RELATIVE DENSITY constraints exist, speeds are moderate and' , I.enGTw ol= OFFSET: traffic volumes are relatively lows REQUIRED BY (c) Bay Taper - A reversing curve along, the. (e • SPECIFICATIONS 1 o o o Is 2.25 1 a.o 0048 ' oosT "o.os7 .thin ba taper •should' be short to 'clearly . y UNDISTURBED EARTH delineate the. left -turn move and to dis- BEDbING. PER courage through traffic from drifting into a ,3.6 :13 ,:so 1.es :,.eo 30 mm(10') SPECIFICATIONS t 13•e 202527 2.68 2-84. j3.10y. 15 22.5. 30 2.91 •3.09 :3.3e CASE I . noranall used: Where's ace is restricted is si • se a:o :3.3 a.e . SECTION B=B appropriate. On rural high-speed FOR OUTLET SEE STD. highways, a 36 In length is considered ap- edge of traveled way at intervals meastutid from point propriate. CATCH BASIN PLANS (d) Deceleration Lane Length'- Design speed way. (2) Where edge of traveled way is a curve, neither base line so 3Dl � 2$P 4loll CATCH BASIN FLOOR intersection "should be :the basis for O� :: •.:'' . y 1000 90 MIN. desirable that deceleration take place en- •y CONC. PIPE. BA CKt` ILL ; Table 405:213 • RCP OR CSP Deceleration Lane Lane Length •t , ,t , the through .lanes,. as in Figtu'es 405.2B BEDDING and:: 405X, :design speeds in Table '' 1052B maybe reduced 15 to 30 kmlh for QED� � OD Is'- cross streets. :are closely spaced and 60- 9 70 113 deceleration len cannot be achieved, � -- the :District Traffic branch should be 80 132 CASE I 90 ] 50 • SECTION C -C SUIT PLAN CASE 3 SADDLE CONNECTION E z c � CLASS C MORTAR STA. - SECTION AMERICAN PUBLIC WORKS ASSOCIATION -SOUTHERN CALIFORNIA CHAPTER PROMULOA,T:D8Y,11E JUNCTION STRUCTURE -PIPE TO PIPE STArM��c LAN P" e"cW°`�"S �"'10ARDS1NC•' . iD < 600 mm (24")] 332 -1 GREE7rBOOK COMMITTEE ' REV. 190 USE WITH STANDARD SPECIFICATIONS FOR PUBLIC WORKS CONSTRUCTION GENERAL NOTE I. DIMENSIONS SHOWN ON THIS. PLAN FOR METRIC AND ENGLISH UNITS ARE NOT EXACT EQUAL VALUES. IF METRIC VALUES ARE USED, ALL VALUES USED FOR CONSTRUCTION SHALL BE METRIC VALUES. IF ENGLISH UNITS ARE USED. ALL VALUES USED FOR CONSTRUCTION SHALL BE ENGLISH UNITS. NOTES CASE 1 AND .CASE 2 I. IF ANGLE A IS LESS THAN 450 OR IF D IS LARGER THAN 600 rltm (245). THEN ANOTHER STANDARD STRUCTURE SHALL BE SPECIFIED. 2. THE OUTSIDE DIAMETER OF THE INLET PIPE SHALL NOT EXCEED ONE-HALF THE INSIDE DIAMETER OF THE MAIN LINE. 3. THE INLET PIPE SHALL ENTER THE MAIN LINE RADIALLY. 1F THE INLET PIPE. CANNOT ENTER. RADIALLY. THEN ANOTHER STANDARD STRUCTURE SHALL. BE SPECIFIED. 4. THE SIZE OF THE OPENING INTO THE MAIN LINE SHALL BE THE OUTSIDE DIAMETER OF .THE INLET PIPE PLUS 30 mm (I') MINIMUM TO 75 mm (3") MAXIMUM. 5. ALL CONNECTOR PIPES FOR. CASE 2 SHALL BE ENCASED. IN CONCRETE IF LAID WITHIN THE MAIN LINE EXCAVATED TRENCH OR IF LAID ON FILL WHICH HAS NOT BEEN DENSIFIED. �fi. BURN OR CHIP END. OF CONNECTOR .PIPE FLUSH WITH INNER SURFACE OF MAIN LINE. ROUND EDGE OF CONCRETE. PIPE OR RCP. 7. ALL CSP AND FITTINGS SHALL BE .GALVANIZED. t3. STATION SPECIFIED ON THE PROJECT DRAWINGS APPLIES AT THE INTERSECTION OF- THE INSIDE WALL OF MAIN LINE AND THE CENTER LINE. OF INLET PIPE. 9. CASE 2 SHALL NOT BE USED TO' CONNECT TO THE FLOOR OF'.A . GRATING CATCH BASIN WHERE THE GRATE WILL BE SUBJECT TO VEHICLE TRAFFIC.. 10. FOR .CASE 2,' NOT MORE THAN 3.5 m x(12') OF INLET PIPE SHALL BE LOCATED WITHIN THE MAIN LINE: EXCAVATED TRENCH. CASE 3 II. CONNECTIONS TO PIPES 525 mm (21') OR LESS IN DIAMETER 2 taper. This design should be used: in all SHEET 2 OF 2 situations where space .is. available, a ► usually in:rural and semi` -rural areas or in BayTaper for .Median . uclan areas :with high traffic spet;ds STEP 8 SHEET t OF 2 o rani S elm WITHOUT JUNCTION STRUCTURES OR .PRECAST Y BRANCHES SHALL BE. MAGE WITH SADDLES. 12: THE OUTSIDE DIAMETER: OF THE INLET PIPE SHALL NOT EXCEED ONE-HALF THE INSIDE DIAMETER OF THE MAIN LINE. 13. TRIM OR CUT SADDLE TO FIT SNUGLY OVER THE OUTSIDE OF THE MAIN LINE SO ITS AXIS WILL BE ON THE LINE AND GRADE OF THE CONNECTOR PIPE. 14. THE OPENING INTO THE PIPE SHALL BE CUT AND TRIMMED TO FIT THE SADDLE SO THAT N0 PART WILL PROJECT WITHIN THE' BORE OF THE SADDLE PIPE. 15. THE CONNECTOR PIPE SHALL BE SUPPORTED AS SHOWN IN 'CASES I AND 2: AMERICAN PUBLIC WORKS ASSOCIATION -SOUTHERN CALIFORNIA CHAPTER STANDARD PLAN JUNCTION STRUCTURE -PIPE TO PIPE METRIC 17 [ID <_ 600 mm (24" 332 -1 SHEET 2 OF A LOCATION TIE at D mml1 21 2 A LOCATION TIE at D mml1 21 taper. This design should be used: in all SHEET 2 OF 2 situations where space .is. available, a ► usually in:rural and semi` -rural areas or in BayTaper for .Median . uclan areas :with high traffic spet;ds STEP 8 �o • o A I o rani S elm I Figures 405:28 and ' 405.2G' :show: Traffic Stripe or Curti' I f tQQEd a of traveled w - - deceleration .):ane begintling at the 2L3. ease t;ne parauel.to traveled way o' point of the approach. taper -so -that part of I I the `deceleration takes lace in the throw A ®i traffic lane.. Figure 405s2C is shortened (1): Edge o1 traveled way • el© f - - - - further by widening half (or :other - - - - -; appropriate '. fraction) on.each side. Th ase AD=Length ot Taper. AB a Bc _ CD = V3 AD designs'may be used in urban areas where A8'& C'O' are Parabolic cuives constraints exist, speeds are moderate and' , I.enGTw ol= OFFSET: traffic volumes are relatively lows TAPER -meters DISTANCE (c) Bay Taper - A reversing curve along, the. (e • DletRr►Ce From Point 'A' . 3.0 m 3.9 m 0.6m 1 o o o Is 2.25 1 a.o 0048 ' oosT "o.os7 .thin ba taper •should' be short to 'clearly . y a:o as A.0 Daae oso7 ;o.22s . delineate the. left -turn move and to dis- ,:s e.75 9.0 oa23 o..ss o sol e' B s :12 0.75 a. aeo s' courage through traffic from drifting into a ,3.6 :13 ,:so 1.es :,.eo 30 mm(10') c' 12 is : 24 .225 2.475 :270 C' t 13•e 202527 2.68 2-84. j3.10y. 15 22.5. 30 2.91 •3.09 :3.3e gth urban areas, -len s of lg.m and 27 m are /4')R (TTP.) 1 899 mm(35 3/801 r 3 )RN,rM CONNECTOR PIPE OR OPTIONAL SUII16RA1>E MONOLITHIC A8�N CON�CTION -SECTION A -A CUT BEND AND .WELD SURFACE FLOWLINE ANGLE TO MAINTAIN, FINISHED SURFACE GRATING IN PLANE OF S.nrMl/4')R FINISHED SURFACE (TYPICAL) �A SURFACE FLOWLINE 2-L 102 mmx76 mmx13 men1575 mm r4-tGRATINGS AND 65 51Is 5/Ine JI ADD36602nm(2'- 2) PEREACH S MODIFIED FRAME ' ADDITIONAL GRATE I t PLAN ' g� M OPTIONAL ROUGHENED + CONSTRUCTION JOINT .� •.. (TYPICAL) �` OPTIONAL 9UBORADE SECTION B -B STRUCTURAL DATA WALL AND SLAB DIMENSIONS AND REINFORCEMENT REQUIREMENTS N0. OF MAX REINFORCEMENT GRATES V t FOR • WALLS AND SLABS 2-3 1.2 m(4') 150 mm{6') 2-3 2.4 m(81) 200 mm(8') NOT REQUIRED 2-3 3.0 m110') 250 rnr11(10-) 2-3 3.5 m(121) 250 mm(10") REQUIRED 4-6 1.2 m(4') 150 mm(6.1 NOT REQUIRED 4-6 2.0 m(7') 200 mm(88) 4-6 2.4 m(8') 200.mm(8'). REQUIRED 4-6 3.8 m(121) 250 mm(10') 7-9 1.2 m(4') ISO mm(60) NOT REQUIRED 7-9 .1.8 m(6') 200 mm(e') 7-9 2.4 m(8') 1200 mmte•) 7-9 3.9 m(121) 250 mm(10') )9 1.2 m(4') 150 mm(60) REQUIRED �9 2.4 m(e') 200 rnlil(8') )9 3.3 m(12') 2 AMERICAN PUBLIC WORKS ASSOCIATION -SOUTHERN CALIFORNIA CHAPTER pRoeluuArEoarTMe STANDARD PUBLIC , GRATING CATCH BASIN -ALLEY COMMrrrEE VYORK58TAN0ARO8MC.1984 tiREENBOOK TRANSVERSE .30572 Rte'' � USE WITH STANDARD SPECIFICATIONS taper. This design should be used: in all SHEET 2 OF 2 situations where space .is. available, a ► usually in:rural and semi` -rural areas or in BayTaper for .Median . uclan areas :with high traffic spet;ds SP @@d-ehan9 a Lanes and/or volumes. Width ot�speed-Change Lane Figures 405:28 and ' 405.2G' :show: Traffic Stripe or Curti' alternate desig>.s foreshortened with the f tQQEd a of traveled w - - deceleration .):ane begintling at the 2L3. ease t;ne parauel.to traveled way o' point of the approach. taper -so -that part of I I the `deceleration takes lace in the throw A ®i traffic lane.. Figure 405s2C is shortened (1): Edge o1 traveled way • el© f - - - - further by widening half (or :other - - - - -; appropriate '. fraction) on.each side. Th ase AD=Length ot Taper. AB a Bc _ CD = V3 AD designs'may be used in urban areas where A8'& C'O' are Parabolic cuives constraints exist, speeds are moderate and' , I.enGTw ol= OFFSET: traffic volumes are relatively lows TAPER -meters DISTANCE (c) Bay Taper - A reversing curve along, the. 18 � �� �o•. �'- oc'- left: edge. of the traveled way directs traf- DletRr►Ce From Point 'A' . 3.0 m 3.9 m 0.6m fic into the left -turn lane: The lenith of- o o o Is 2.25 1 a.o 0048 ' oosT "o.os7 .thin ba taper •should' be short to 'clearly . y a:o as A.0 Daae oso7 ;o.22s . delineate the. left -turn move and to dis- ,:s e.75 9.0 oa23 o..ss o sol e' B s :12 0.75 a. aeo s' courage through traffic from drifting into a ,3.6 :13 ,:so 1.es :,.eo 30 mm(10') FOR PUBLIC WORKS CONSTRUCTION SHEET 10F 2 NOTES: 1. ALL CURVED CONCRETE SURFACES SHALL BE FORMED BY CURVED FORMS. AND SHALL NOT BE SHAPED BY PLASTERING. 2. TWO GRATINGS ARE REQUIRED UNLESS .OTHERWISE SHOWN ON THE PROJECT PLANS. 3. FLOOR OF BASIN SHALL BE GIVEN A STEEL TROWEL FINISH ANO SHALL HAVE A LONGITUDINAL. AND LATERAL SLOPE OF I=12 MINIMUM AND .1= 3. MAXIMUM. SLOPE FLOOR FROM ALL DIRECTIONS TO THE OUTLET. .4. DIMENSIONS= V, =THE DEPTH AT THE INVERT OF THE INLET. NOTED ON THE PROJECT PLANS. W 1308 mm(4'-3 I/21) FOR TWO GRATINGS(; ADD 660 mm(2'-2") FOR EACH ADDITIONAL GRATING. A THE ANGLE. IN DEGREES, INTERCEPTED 8Y THE CENTERLINE OF THE CONNECTOR PIPE .AND THE CATCH BASIN WALL TO WHICH THE CONNECTOR PIPE IS ATTACHED. 5. PLACE. CONNECTOR. PIPES AS INDICATED ON THE PROJECT PLANS. UNLESS OTHERWISE SPECI- FIED. THE CONNECTOR PIPE SHALL 8E LOCATED AT THE DOWNSTREAM END OF THE BASIN. WHERE THE CONNECTOR PIPE IS SHOWN AT A CORNER. THE CENTERLINE OF THE PIPE SHALL INTERSECT THE INSIDE CORNER OF THE BASIN. THE PIPE MAY BE CUT AND TRIMMED AT A SKEW NECESSARY TO INSURE MINIMUM 80 mm(30) PIPE EMBEDMENT. ALL AROUND. WITHIN THE CATCH BASIN WALL. AND 75 mm(3") RADIUS OF ROUNDING OF STRUCTURE CONCRETE. ALL AROUND. ADJACENT TO PIPE ENDS. A MONOLITHIC. CATCH BASIN CONNECTION SHALL BE USED TO JOIN THE CONNECTOR PIPE TO THE CATCH BASIN WHENEVER ANGLE 'A' 15 LESS THAN 70 DEGREES OR GREATER THAN 110. DEGREES. OR WHENEVER THE CONNECTOR , P.IPE IS LOCATED . IN A CORNER. THE OPTIONAL USE OF A .MONOLITHIC CATCH- BASIN CONNECTION IN ANY CASE IS PERMITTED. MONOLITHIC CATCH BASIN CONNECTIONS MAY BE CONSTRUCTED TO AVOID CUT- TING STANDARD LENGTHS OF PIPE. 6. STEPS SHALL BE LOCATED AS SHOWN. IF THE CONNECTOR dIPE INTERFERES" WITH THE STEPS. THEY SHALL BE LOCATED ON THE OPPOSITE .WALL. STEPS SHALL BE SPACED 300 mm(12') APART. THE TOP STEP SHALL BE 175 mm(7') BELOW THE TOP OF THE GRATING :AND. PROJECT 65 rtIm (2-I/24). ALL OTHER STEPS SHALL PROJECT .130 mm(3•). T. THE FOLLOWING STANDARD PLANS ARE INCORPORATED HEREIN= 308 MONOLITHIC CATCH BASIN CONNECTION 309 CATCH. BASIN REINFORCEMENT 311 FRAME AND GRATING FOR CATCH BASINS 635 STEEL STEP 636 POLYPROPYLENE PLASTIC STEP . 6. DIMENSIONS SHOWN. ON THIS PLAN FOR METRIC AND ENGLISH UNITS ARE NOT EXACT EQUAL VALUES. IF METRIC VALUES ARE USED, ALL VALUES USED. FOR CONSTRUCTION SHALL BE METRIC VALUES. Fa(CEPT.REINFORCING BARS .SIZES IN ENGLISH UNITS MAY BE SUBSTITUTED FOR METRIC BAR SIZES. IF ENGLISH UNITS ARE USED. ALL VALUES. USED FOR CONSTRUCTION SHALL BE ENGLISH UNITS. AMERICAN PUBLIC. WORKS ASSOCIATION -SOUTHERN CALIFORNIA CHAPTER STANDARD PLAN METRIC GRATING CATCH BASIN -ALLEY (TRANSVERSE) 305-2 HIGHWAY DESIGN MANUAL 400-17 Novelriber 1, 2001 isEltble 4054 Parabolic Curb Flares Commonly Used QX ----+ O =Length of flare in meters 13 u1>e Y=. W X 2 W =Maximum -offset in meters w -. 2 O =Distance along fuse line In meters O=Offset from baseline in meters . O is shown in table thus 'I D12.`fOIII/1►/►'il���l;iya�);ZH►%�►�:�1�- taper. This design should be used: in all SHEET 2 OF 2 HIGHWAY DESIGN MANUAL 400-17 Novelriber 1, 2001 isEltble 4054 Parabolic Curb Flares Commonly Used QX ----+ O =Length of flare in meters 13 u1>e Y=. W X 2 W =Maximum -offset in meters w -. 2 O =Distance along fuse line In meters O=Offset from baseline in meters . O is shown in table thus 'I D12.`fOIII/1►/►'il���l;iya�);ZH►%�►�:�1�- Novemtxt•1,20U1 taper. This design should be used: in all Table. 405.2A situations where space .is. available, a ► usually in:rural and semi` -rural areas or in BayTaper for .Median . uclan areas :with high traffic spet;ds SP @@d-ehan9 a Lanes and/or volumes. Width ot�speed-Change Lane Figures 405:28 and ' 405.2G' :show: Traffic Stripe or Curti' alternate desig>.s foreshortened with the f tQQEd a of traveled w - - deceleration .):ane begintling at the 2L3. ease t;ne parauel.to traveled way o' point of the approach. taper -so -that part of I I the `deceleration takes lace in the throw A ®i traffic lane.. Figure 405s2C is shortened (1): Edge o1 traveled way • el© f - - - - further by widening half (or :other - - - - -; appropriate '. fraction) on.each side. Th ase AD=Length ot Taper. AB a Bc _ CD = V3 AD designs'may be used in urban areas where A8'& C'O' are Parabolic cuives constraints exist, speeds are moderate and' , I.enGTw ol= OFFSET: traffic volumes are relatively lows TAPER -meters DISTANCE (c) Bay Taper - A reversing curve along, the. 18 � �� �o•. �'- oc'- left: edge. of the traveled way directs traf- DletRr►Ce From Point 'A' . 3.0 m 3.9 m 0.6m fic into the left -turn lane: The lenith of- o o o Is 2.25 1 a.o 0048 ' oosT "o.os7 .thin ba taper •should' be short to 'clearly . y a:o as A.0 Daae oso7 ;o.22s . delineate the. left -turn move and to dis- ,:s e.75 9.0 oa23 o..ss o sol e' B s :12 0.75 a. aeo s' courage through traffic from drifting into a ,3.6 :13 ,:so 1.es :,.eo the :left -turn lane. Table 405.2A 'gives c' 12 is : 24 .225 2.475 :270 C' offset data for desi of ba to rs. In � 13•e 202527 2.68 2-84. j3.10y. 15 22.5. 30 2.91 •3.09 :3.3e gth urban areas, -len s of lg.m and 27 m are •+e.a 24.78 39 2:95 IM .3.54 . noranall used: Where's ace is restricted is si • se a:o :3.3 a.e . and: speeds are low;..a •1$'m bay taper is No'rEs • appropriate. On rural high-speed (1) 'rtie table gives offisets from; a base line parallel to the highways, a 36 In length is considered ap- edge of traveled way at intervals meastutid from point propriate. "A". Add 'B" for measurements trvm edge of traveled (d) Deceleration Lane Length'- Design speed way. (2) Where edge of traveled way is a curve, neither base line of :the roadway approaching � the nor taper between. B & C will be n tangent. Use intersection "should be :the basis for proportional offsetsfrarri B to C. (3) The offset' "E" is usually 0.6 m along edge of traveled determining deceleration lane length: Itis ;vgy for curbed medians; Use -"E" _ 0 m for striped desirable that deceleration take place en- medians. tirely off the through .traffic lanes.: De- " celeration lanes lengths are given in Table Table 405:213 • 4052131; -the bay taper -letigth is included: Deceleration Lane Lane Length Where partial deceleratiori.is permitted on the through .lanes,. as in Figtu'es 405.2B Design Speed Length to and:: 405X, :design speeds in Table Stop (m) 1052B maybe reduced 15 to 30 kmlh for QED� � a lower entry speed. In urban areas where 50 75 • cross streets. :are closely spaced and 60- 9 70 113 deceleration len cannot be achieved, � the :District Traffic branch should be 80 132 consulted for guidance. 90 ] 50 • X100 169 !' ' Iiiilf�i)Hili-/®®�:�=:�•�---®--�-.�-. I ' 1 i l l 1 1 1 1: �� I�• ���®�®�r�c 11 �-®® 400-10 :HIGHWAY DESIGN MANUAL Novemtxt•1,20U1 taper. This design should be used: in all Table. 405.2A situations where space .is. available, usually in:rural and semi` -rural areas or in BayTaper for .Median . uclan areas :with high traffic spet;ds SP @@d-ehan9 a Lanes and/or volumes. Width ot�speed-Change Lane Figures 405:28 and ' 405.2G' :show: Traffic Stripe or Curti' alternate desig>.s foreshortened with the f tQQEd a of traveled w - - deceleration .):ane begintling at the 2L3. ease t;ne parauel.to traveled way o' point of the approach. taper -so -that part of I I the `deceleration takes lace in the throw A ®i traffic lane.. Figure 405s2C is shortened (1): Edge o1 traveled way • el© f - - - - further by widening half (or :other - - - - -; appropriate '. fraction) on.each side. Th ase AD=Length ot Taper. AB a Bc _ CD = V3 AD designs'may be used in urban areas where A8'& C'O' are Parabolic cuives constraints exist, speeds are moderate and' , I.enGTw ol= OFFSET: traffic volumes are relatively lows TAPER -meters DISTANCE (c) Bay Taper - A reversing curve along, the. 18 � �� �o•. �'- oc'- left: edge. of the traveled way directs traf- DletRr►Ce From Point 'A' . 3.0 m 3.9 m 0.6m fic into the left -turn lane: The lenith of- o o o Is 2.25 1 a.o 0048 ' oosT "o.os7 .thin ba taper •should' be short to 'clearly . y a:o as A.0 Daae oso7 ;o.22s . delineate the. left -turn move and to dis- ,:s e.75 9.0 oa23 o..ss o sol e' B s :12 0.75 a. aeo s' courage through traffic from drifting into a ,3.6 :13 ,:so 1.es :,.eo the :left -turn lane. Table 405.2A 'gives c' 12 is : 24 .225 2.475 :270 C' offset data for desi of ba to rs. In � 13•e 202527 2.68 2-84. j3.10y. 15 22.5. 30 2.91 •3.09 :3.3e gth urban areas, -len s of lg.m and 27 m are •+e.a 24.78 39 2:95 IM .3.54 . noranall used: Where's ace is restricted is si • se a:o :3.3 a.e . and: speeds are low;..a •1$'m bay taper is No'rEs • appropriate. On rural high-speed (1) 'rtie table gives offisets from; a base line parallel to the highways, a 36 In length is considered ap- edge of traveled way at intervals meastutid from point propriate. "A". Add 'B" for measurements trvm edge of traveled (d) Deceleration Lane Length'- Design speed way. (2) Where edge of traveled way is a curve, neither base line of :the roadway approaching � the nor taper between. B & C will be n tangent. Use intersection "should be :the basis for proportional offsetsfrarri B to C. (3) The offset' "E" is usually 0.6 m along edge of traveled determining deceleration lane length: Itis ;vgy for curbed medians; Use -"E" _ 0 m for striped desirable that deceleration take place en- medians. tirely off the through .traffic lanes.: De- " celeration lanes lengths are given in Table Table 405:213 • 4052131; -the bay taper -letigth is included: Deceleration Lane Lane Length Where partial deceleratiori.is permitted on the through .lanes,. as in Figtu'es 405.2B Design Speed Length to and:: 405X, :design speeds in Table Stop (m) 1052B maybe reduced 15 to 30 kmlh for QED� � a lower entry speed. In urban areas where 50 75 • cross streets. :are closely spaced and 60- 9 70 113 deceleration len cannot be achieved, � the :District Traffic branch should be 80 132 consulted for guidance. 90 ] 50 • X100 169 �7 PERMIT N0.08 -03=N -MC -0483