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Home My WebLink About3799-8ICement grout d f UJ PI <I E: UJ of IV2 "xIV2 -xl/4 %JI Angle V4 V (/ 'Steel Plate DETAIL -PLATE STIFFENER 8` 8. Mtn Mn Conc. collar C.S.P P ' ° R.C.P. m ,r -- a- 17- C% _C m E ALTERNATE JUNCTION Tef on tape 2/2 "x2/2_ -x%" Sti, bar (typ) Scarf -.and '- __� we - '�. M L % -x% " Spacer Y2 " Allen bolt HOLD-DOWN Ring O.D. q5 • (TYprn' places Y2 - std. pipe or mild steel bar -x2- Wlde C.S.P. O.D. I 1� Maa4tch atop plate NOTES: BOTTOM VIEW I. Riser pipe shall extend to "Elev. A". CAGE RETAINER RING 2. Elevation *A, DI , .D2 , LI , L2 ore shown on plans. 3. Corrugated steel pipe shall conform to AASHTO M-36. 4. Grate assembly shall be galvanized after fabrication. 5. For Dl =54" and larger, weld I%2 "x1Y2 "xl/4 " angles to plate with I" welds at 6" O.C. 6. n=number of bars on grate assembly. 7. Gauge of pipe for diameter D2 shall be some as for riser. B. Riser and stub shall be shop fabricated and galvanized after welding. 9. The following shall be stencilled using 2 inch high letters and black paint on the face of the curb adjacent to the inlet (either side) and on the Top .of the inlet: NO DUMPING DRAINS TO OCEAN - (See note 5) '' '/4" Hole, "H.D.", See Stiffener equally spaced Detail next page Center of hole 1 to be I" from O.D. of plate, j DTYpI D, + s� BOTTOM VIEW TOP PLATE See detail for Locking Devices Elev. A Grading at lip, unless otherwise shown on plan. J slope to drain - I Conc. slab ELEVATION � <n places V2 Standard galvanized connection band. C.S.P. _,R.C.P. D, RISER DIAMETER C.S.P. GAUGE 18"-27" 1 16 30"-39" 14 42"-48" 12 51"-66" 10 DI A: 5 1. 0 n" Hp' 18" 400 9 2 24"-27" 300 12 30"-33" 1 240 15 3 36"-39" 200 18 42"-45" 16.50 22 4 48"-51" 14.50 25 54"-57" 130 28 60"-6 3" 111.501 31 66" 10.5 ° 34 ry pack ORANGE COUNTY ENVIRONMENTAL MANAGEMENT AGENCY STD. PLA" I •ORANGE COUNTY ENVIRONMENTAL MANAGEMENT AGENCY Approved Approved.13 iY7 WL Zoun, Dlr or of Pr bllc Works f WL Zoun, D! for of Public Works Adopted: Res. 77-92 Revlsed-. Res. 96-546 [/! Adopted: Res. 77-92 Revlsed: Res. 96-546 INLET TYPE V SH7.2 of 2 INLET TYPE N 4"x 53" DIAM. STL. PLATE 1/4 "x 6" STL. BAN D NICOLON MIRAFI 140N FILTER FABRIC CONST 3" THICK A.C. SLOPE PROTECTION ELEV. A: 5 1. 0 Di: 48" D2: 30" Li: 10.83' L2: 2.5' 1/4 x 6 1/4 11 x 2" STL. BAR 6 O.C. Z LIJ N a. PIPE RIM N 49.0 FL ^' 6" x 12" 12" OPENING (TYP 2' 2' 48"' DIAM. 2' 2' C.S.P. MODIFIED "TYPE V" INLET DETAIL 8A PIPE k laid lengthwise and mortared nside edge of R.C.P. groove copping at en o Alpe SECTION or end of pipe (if broken) II Dll 1 Cement grout capping • _ i ` Brick 8i mortar closure DOUBLE COURSE 4" x 8" ELEVATION PIPE CLOSURE -TYPE "B" (Brick and Mortar) NOTE: I. Type "B"closure for I'D" not larger than SAN SERNARDINO COUNTY FLOOD CONTROL DISTRICT 36° unless approved or specified by the • REVISIONS owN. BY DATE Engineer. 2.See specifications for additional information. C. L. 5-9-63 L SCALE: 1 "= 2' GRADE SURFACE TO DRAIN 51.0 FS -CONST 3" THICK A.C. SLOPE PROTECTION NOTES: FABRICATE WELDED ASSEMBLY WITH MODIFICATIONS AS SHOWN HEREON. CONSTRUCT STRUCTURE PER O.C.E.M.A. (O.C.P.F. & R.D.) STD. PLAN 1305. WRAP W/NICOLON MIRAFI 140N FABRIC AND SECURE WITH CHICKEN WIRE. JI L. DHIVV � ,r RECO LDRAWINU THESE RECORD DRAWINGS HA\/E BEEN PREPARED, IN PART, ON THE BASIS OF INF`:HMATION COMPILED AND FURNISHED BY OTHERS. THE ENGINEER WILL NOT BE RESPONSIBLE FOR ANY ERRORS OR OMISSIONS WHICH HAVE BEEN INCORPORATED INTO THE DOCUMENTS AS A RESULT THEREOF. STD. PLAN 130.5 SHT. I OF 2 AMERICAN PUBLIC WORKS ASSOCIATION - SOUTHERN CALIFORNIA CHAPTER STANDARD PIAN 300-2 CONCRETE COLLAR FOR RCP 'ISM '-100 MM O 300 mm(+4012') EACH WAY 5 mm(I/4•)R �_ W ASSEMBLY STREET, GUTTER. OR LOCAL- OEPRES- SION SURFACE 3: m. OPE �� -... I I GREENBO1964 AfTTEE 1500 mm (609 TO 1800 mm (72') 00-2 300-2 FLOW LINE cr•: 3 IRm REV' 1M FACE PLATE USE WITH STANDARD SPECIFICATIONS FOR PUBLIC WORKS CONSTRUCTION ((TYP) E SPECIFICATIONS I I UNDISTURBED EARTH BEDDING. PER SCORING LINE SPECIFICATIONS CURB LINE c N a N t o ! 12 I FOR OUTLET SEE STD. f F EXTRA 15M(•41 + STEPS r -CATCH BASIN FLOOR a O� ION 2 SIDES OF MANHOLE FRAME t _ W. AND COVER (44) MIN. I I300 Min 75 mm mm300 CATCH BASIN E (12')MA)L 3')R I MANHOLE FRAME E I I W^ y AND COVER- W w M y O. st __ - Z OZ E_ -io OPTIONAL SUBGRADE CONNECTOR PIPE OR MONOLITHIC d U -� a3 zoo CATCH BASIN B CONNECTION �� STEPS a II o.c ov SECTION A -A A --1 I N V f Q I \ 100 mm 200 mm(8') IOM(°41 `R 1 u �r -90° m Ix C Q 10 DOWEL (TYP.) -•- PLAN P DOWEL DETAIL AMERICAN PUBLIC WORKS ASSOCIATION - SOUTHERN CALIFORNIA CHAPTER STANDARD PIAN 300-2 CONCRETE COLLAR FOR RCP STANDARD PIAN PROMULGATED TTHECURB PUBLIC WORKS STANDARDS INC. OPENING CATCH BASIN METRIC GREENBO1964 AfTTEE 1500 mm (609 TO 1800 mm (72') 00-2 300-2 USE WITH STANDARD SPECIFICATIONS FOR PUBLIC WORKS CONSTRUCTION REV' 1M SHEET 1 OF 2 USE WITH STANDARD SPECIFICATIONS FOR PUBLIC WORKS CONSTRUCTION NOTES I. WHERE THE BASIN IS TO BE CONSTRUCTED WITHIN THE LIMITS OF EXISTING OR PROPOSED SIDEWALK OR IS CONTIGUOUS TO SUCH SIDEWALK. THE TOP SLAB OF THE BASIN MAY BE POURED EITHER MONOLITHIC WITH THE SIDEWALK OR SEPARATELY, USING THE SAME CLASS OF CONCRETE AS IN THE BASIN. WHEN POURED MONOLITHICALLY. THE SIDEWALK SHALL BE PROVIDED WITH A WEAKENED PLANE OR A 25 mm(I-) DEEP SAWCUT CONTINUOUSLY AROUND THE EXTERNAL PERIMETER OF THE CATCH BASIN WALLS. INCLUDING ACROSS THE FULL WIDTH OF THE SIDEWALK. SURFACE OF ALL EXPOSED CONCRETE SHALL CONFORM IN SLOPE. GRADE. COLOR, FINISH. AND SCORING TO EXISTING OR PROPOSED CURB AND WALK ADJACENT TO THE BASIN. 2. ALL CURVED CONCRETE SURFACES SHALL BE FORMED BY CURVED FORMS. AND SHALL NOT BE SHAPED BY PLASTERING, 3. FLOOR OF BASIN SHALL BE GIVEN A STEEL TROWEL FINISH AND SHALL HAVE A LONGITUDINAL AND LATERAL SLOPE OF 1:12 MINIMUM AND 1:3 MAXIMUM, EXCEPT WHERE THE GUTTER GRADE EXCEEDS 8 PERCENT, IN WHICH CASE THE LONGITUDINAL SLOPE OF THE FLOOR SHALL BE THE SAME AS THE GUTTER GRADE. SLOPE FLOOR FROM ALL DIRECTIONS TO THE OUTLET. 4. DIMENSIONS: B = 970 mm(3' -2') V = THE DIFFERENCE IN ELEVATION BETWEEN THE TOP OF THE CURB AND THE INVERT OF THE CATCH BASIN AT THE OUTLET = 1.35 m(4.51). VU = THE DIFFERENCE IN ELEVATION BETWEEN THE TOP OF THE CURB AND THE INVERT AT THE UPSTREAM END OF THE BASIN. AND SHALL BE DETERMINED BY THE REQUIREMENTS OF NOTE 3. BUT SHALL NOT BE LESS THAN CURB FACE PLUS 300 mm(120). V, = THE DIFFERENCE 1N ELEVATION BETWEEN THE TOP OF THE CURB AND THE INVERT OF THE INLET, NOTED ON THE PROJECT PLANS. H = NOTED ON THE PROJECT PLANS. W = NOTED ON THE PROJECT PLANS. A = THE ANGLE, IN DEGREES, INTERCEPTED BY 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 BE 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(W) PIPE EMBEDMENT. ALL AROUND. WITHIN THE CATCH BASIN WALL. AND 75 mm(36) 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' IS LESS THAN 70 DEGREES OR GREATER THAN 110 DEGREES, OR WHENEVER THE CONNECTOR PIPE 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 PIPE INTERFERES WITH THE STEPS. THEY SHALL BE LOCATED AT THE CENTERLINE OF THE DOWNSTREAM END WALL. STEPS SHALL BE SPACED 300 mm(129 APART. THE TOP STEP SHALL BE 175 mm(72) BELOW THE TOP TO THE MANHOLE AND PROJECT 65 mm(2-1/21. ALL OTHER STEPS SHALL PROJECT 130 mm(5'). 7. DOWELS ARE REQUIRED AT EACH CORNER AND AT 2 m(79 ON CENTER (MAXIMUM) ALONG THE BACKWALL. 8. THE FOLLOWING STANDARD PLANS ARE INCORPORATED HEREIN: 308 MONOLITHIC CATCH BASIN CONNECTION 309 CATCH BASIN REINFORCEMENT 310 CATCH BASIN FACE PLATE ASSEMBLY AND PROTECTION BAR 312 CATCH BASIN MANHOLE FRAME AND COVER 635 STEEL STEP 636 POLYPROPYLENE PLASTIC STEP 9. 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, 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 STANDARD PIAN 300-2 CONCRETE COLLAR FOR RCP CURB OPENING CATCH BASIN SHEET 2 OF 2 .. r 380 c 2 L JTW C 1, 6637 Cry11. �P q4FOFCAI�� W t sem' lf1t.� 6elz i. 15M O 300 mm (04 O 12' L/2. (TYP.)-1.--.L .s•'' rte. ~ N I / :W OR • :IST. FLOW o �` NFB, 9 I ! Top FLOW 15M 0 300 mm (94 O 12') -- 3-15M (a4) CIRCULAR TIES, SEE NOTE 9 150 mm 6') MIN CUT NO. 2 CUT NO. 1 LINE q N 90, CUT NO. 2 LINE 150 tnm CUT N( 6') MIN 3.14 (Do - DETAIL 'A' (SEE NOTE 10) SONO -TUBE. OR EQUAL. INTERIOR FORM CUT NO. 1: SAW THE TUBE AT AN ANGLE OF A/2 WITH THE TRANS- VERSE PLANE. REVERSE ONE SECTION AND TAPE BOTH SECTIONS TOGETHER FORMING THE DEFLECTION ANGLE A. CUT NO. 2: SAW THE TUBE LONGITUDINALLY REMOVING A STRIP 3.14 (DO -D ) WIDE ON THE SIDE OPPOSITE THE OPEN JOINT. BEND THE ENDS OF THE CUT TOGETHER AND INSERT THE TUBE IN THE PIPE 330-C-23 (560-C-3250) CONCRETE 25 mm (10) (TYP.) D L T 300 mm (120) 300 mm (120) 100 mm (46) 450 MM 081' 300 mm (12')' 125 mm (54 600 mm (240) 300 mm (IF) 150 mm (67 750 mm (300) 450 mm (18') 175 trim (71) 900 mm (368) 450 mm (180) 225 mm (90) 1050 mm (42') 450 mm (IB') 225 mm (9') 1200 mm (48.) 450 mm (18') 250 mm (109) 1425 mm (57.1 450 mm (180) 250 mm (100) 1500 mm (60' 525 rnm (211 275 mm (Q-) 1650 mm (66. 525 mm (21.1 275 nm (II') 1800 mm (720) 600 mm (24. 300 mm (12') �- INTERIOR SURFACE OF PIPE DETAIL 'B" TYPICAL JOINT FOR REINFORCED CONCRETE PIPE AMERICAN PUBLIC WORKS ASSOCIATION - SOUTHERN CALIFORNIA CHAPTER PRWORKS11T�gy THEDARDS CONCRETE COLLAR FOR RCP STANDARD PLAN PUBLIC ° INC. 300 mm 12" THROUGH 1800 mm 7211 380 c 2 REV' 1998 1500 mm (609 TO 1800 mm (72') SHEET 1 OF 2 USE WITH STANDARD SPECIFICATIONS FOR PUBLIC WORKS CONSTRUCTION NOTES I. A CONCRETE COLLAR IS REQUIRED WHERE THE CHANGE IN GRADE - EXCEEDS 10 PERCENT. 2. FOR CURVE JOINTS (SEE DETAIL B. SHEET 0 IF THE EXTREME ENDS OF THE PIPE LEAVE A CLEAR SPACE THAT IS GREATER THAN 25 mm (I'). BUT IS LESS THAN 75 mm(W) A CONCRETE COVER IS REQUIRED IN ACCORDANCE WITH SUBSECTION 306-1.2.4 OF THE SSPWC. IF THE EXTREME ENDS OF THE PIPE LEAVE A CLEAR SPACE THAT IS EQUAL TO OR GREATER THAN 75 mm (3'). BUT LESS THAN 150 mm (62). A CONCRETE COLLAR IS REQUIRED. IF THE CLEAR SPACE IS 150 mm (60) OR GREATER. A TRANSITION STRUCTURE IS REQUIRED. 3. CONCRETE COLLAR SHALL NOT BE USED FOR A SIZE CHANGE ON THE MAIN LINE. 4. CONNECTOR PIPES A. WHERE PIPES OF DIFFERENT DIAMETERS ARE JOINED WITH A CONCRETE COLLAR. L AND T SHALL BE THOSE OF THE LARGER PIPE. D=DI OR 02. WHICHEVER IS GREATER. B. WHEN DI IS EQUAL TO OR LESS THAN Q2. JOIN INVERTS AND WHEN DI IS GREATER THAN D2. JOIN SOFFITS. 5. FOR PIPE LARGER THAN 1800 mm (720) SPECIAL COLLAR DETAILS ARE REQUIRED. 6. FOR PIPE SIZE NOT LISTED USE NEXT SIZE LARGER. 7. REINFORCEMENT SHALL CONFORM TO ASTM A 615 M (A 615) GRADE 300(40). 8. WHERE REINFORCING IS REQUIRED THE DIAMETER OF THE CIRCULAR TIES SHALL BE D+(2X WALL THICKNESS) + T. 9. REINFORCING SHALL BE USED WHERE THE PIPE DIAMETER IS GREATER THAN 525 mm (21') AND ON ALL PIPES WHERE THE SPACES BETWEEN THE EXTREME OUTER ENDS IS 75 mm (30) OR LARGER. CIRCULAR TIES= PIPE DIAMETER N0. OF CIRCULAR TIES 525 mm (210) OR LESS 3 600 mm (24') TO 750 mm (30') 3 825 mm (33') TO 1425 mm (57-) 4 1500 mm (609 TO 1800 mm (72') 5 WHERE THE SPACE BETWEEN PIPE ENDS EXCEEDS. 75 mm (39. THE NUMBER OF CIRCULAR TIES SHALL BE INCRW. TO MAINTAIN AN APPROXIMATE SPACING OF 150 mm (69) O.C:' �' =- 10. WHERE THE PIPE IS 525 mm (21') OR LESS �`p1AMETER AN INTERIOR FORM OF UNSEALED SONO -TUBE OR EQUAL/SHALL BE USED TO PROVIDE A SMOOTH INTERIOR JOINT. THEI`RAPER FORM MAY BE LEFT IN PLACE (SEE DETAIL A). WHEN :THEA` P IPE I S .600 mm (240) OR LARGER A REMOVABLE INTERIOR FOUSHALL"BE USED OR.THE INTERIOR JOINT SHALL BE COMPLETELYFILLED WITH MORTAR AND NEATLY POINTED. t ' - II. DIMENSIONS SHOWN ON THIS PLAN FORETRIC Na.ENGLISIJUNITS ARE NOT EXACT EQUAL VALUES. IF ME' E=�1RE. USED. ALL VALUES USED FOR CONSTRUCTION SHALL' •ICNALUES. EXCEPT REINFORCING BAR SIZES IN ENGLISH UNITS MA -SUBSTITUTED FOR METRIC BAR SIZES. IF ENGLISH UNITS ARE USED. ALL VALUES,'. -USED FOR CONSTRUCTION SHALL BE ENGLISH UNITS. j AMERICAN PUBLIC WORKS ASSOCIATION - SOUTHERN CALIFORNIA CHAPTER STANDARD PLAN c 2 SHEET20172 300 CONCRETE COLLAR FOR RCP380 mm 12" THROUGH 1800 mm 72" E LATERAL/CONNECTOR PIPE I (i. MAIN LINE RCP 49$ I CONC. PIPE, RCP OR CSP O' CLASS C 15 mm (I/2' MIN. tia MORTAR I ca SEE NOTE 4 � -� i -•�.�_ I +B BEDDING OF R INLET PIPE �4ga V BACKFILL WITH °� '" 4'' SEE NOTE 6 AYA45° 265 Kq-C-14 Mpo 1 -100 v 4. CASE I PLAN ..a; .... -CRETE PRUC OMULGATED BY THEDARDS COC OR sTANAETR�c LAN PU6GREENRKSSTAMMITTEINC.. OREENHOI COMMITTEE rip <_ 600 mm (24IT L COMPACT SOIL TO REV. 1998 SHEET 1 OF 2 USE WITH STANDARD SPECIFICATIONS FOR PUBLIC WORKS CONSTRUCTION RELATIVE DENSITY REQUIRED BY SPECIFICATIONS UNDISTURBED EARTH BEDDING. PER SPECIFICATIONS CASE I SECTION B -B FOR OUTLET SEE STD. CATCH BASIN PLANS r -CATCH BASIN FLOOR O� 265 Kg -C-14 Mpo (450-C-2000) CONC. ENCASEMENT, SEE NOTE 5 , /Sp _ SEE NOTE.3 5 mm (1/2' MIN / SEE NOT -- - 1 LB>450 - -- CASE 2 (SEE NOTES -9 a 10) 1/2 OD MIN. CONC. PIPE. BACKFILL RCP OR CSP r� BEDDING OD CASE 1 SECTION C -C "Ao.re TO SL DNS PLAN CASE 3 SADDLE CONNECTION SECTION IRTAR AMERICAN PUBLIC WORKS ASSOCIATION - SOUTHERN CALIFORNIA CHAPTER PRUC OMULGATED BY THEDARDS JUNCTION STRUCTURE - PIPE TO PIPE sTANAETR�c LAN PU6GREENRKSSTAMMITTEINC.. OREENHOI COMMITTEE rip <_ 600 mm (24IT L 332 -1 REV. 1998 SHEET 1 OF 2 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 I AND CASE 2 I. IF ANGLE A IS LESS THAN 450 OR IF D IS LARGER THAN 600 mm (240), 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. IF 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 (31 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. 6. 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. S. 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 (121 OF INLET PIPE SHALL BE LOCATED WITHIN THE MAIN LINE EXCAVATED TRENCH. CASE 3 11. CONNECTIONS TO PIPES 525 mm (211 OR LESS IN DIAMETER WITHOUT JUNCTION STRUCTURES OR PRECAST,Y BRANCHES SHALL BE MADE 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 NO 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 PIAN METRIC 3322- 1 SHEET 2OF2 JUNCTION STRUCTURE - PIPE TO PIPE ID < 600 mm 24") J:\126-2023�stotTn�sd09.dwa. 5/17/2005 12:06:28 PM. DJ