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HomeMy WebLinkAboutC 705 Storm Sewer DetailsA A NEENAH R- 1772 -A SERIES MANHOLE FRAMES, SOLID LID 'Cl- - - s , \ti \ CONTROL JOINTS DOD 000 ` 0000 DOD 00000000 r n 0000 ODO 000D ®Op 24" min 19 0000 ODO n DODO ODD aa00oD ` ' ° 17Q % av000O0 °' CONCRETE COLLAR F ` ° , r WITHIN ASPHALT AREAS a A E TC ELEVATION 0 �_C I A SECTION "A -A" CONCRETE COLLAR 2" min. 6" min ,:. -� ASPHALT SETTING YARD SETTING SOLID LID CASTING SETTING DETAIL NO SCALE "'YATION NO FRONT STRUCTURES CASTING DESCRIPTION A" B" C" D- E" BOX INLET MANHOLE R- 1772 -A SOLID LID ® 361 251 211 7 11.751 A, A -M, B', E•, J' MANHOLE 11 • - 4" FLATTOP REQUIRE SOLID LID CASTING SETTING DETAIL NO SCALE "'YATION NO HULL UUMB CASTING iiTTIaD �ETAIL NO SCALE 5 1/4L 23.0 --1 33'6 NEENAH R -434 TC ELEVATION _ -.. 8TRUCT1Ji;Es FRM am STAIICTILIM CASTING DESOMT10N A• 8• C• C E' F' G• M SOX INLET MANHOLE R-3501 -N ROLL CURB ® 32.5 23.88 21.13 11 23.25 32.25 23.88 23.25 A -M, B•, V. J• MANHOLE•• 25.751 • - 4" FLATTOP REQUIRED 6- FLATTOP REQUIRED HULL UUMB CASTING iiTTIaD �ETAIL NO SCALE 5 1/4L 23.0 --1 33'6 NEENAH R -434 TC ELEVATION _ -.. 8TRUCT1Ji;Es SOX w" IE MAN HOLE A -M, B', E', J' MANHOLE • - 4' FLATTOP REWIRED DITCH GRATE CASTING SETTING DETAIL CA-6 NO SCALE BEEHNI I B I SECTION "A -A„ "r CONTROL JOINTS 000 000 ' 0 D 000 0000 000 d 24" min--, a 0000 000 a 0000 000 "� DOOOOD ,f CONCRETE COLLAR AS SHOWN ON r• ` .� . ,, n UTILITY PLAN A ELEVATInN CRETE 6 CASTING SETTING DETAIL CA -7 NO SCALE Y I N _ _ I OI r - ( I I I ,C � I I R C VO i @: E -I - -- - - - -- -- t -- w I I N Z I OO I I I 1 Y - I H PLAN VIEW Grooved end on outlet end Tongue end on inlet end D C _I_ B =(D -C) I .6 0 9 A T-r J 'O -Grooved (or tongue) to be the andard Reinforced ASTM Designation H some as on St Concrete Pipe C 76 Class 'A' Concrete 6 L A LONGITUDINAL SECTION I. CONCRETE IN THESE END SECTIONS SHALL BE THE SAME GRADE AND STRENGTH AS SPECIFIED FOR REINFORCED CONCRETE PIPE, ASTM DESIGNATION C 76 CLASS II. ( as set out in the Standard Spec's.) 2. REINFORCEMENT IN THE "C" PORTION SHALL BE THE SAME AS SPECIFIED FOR REINFORCED CONCRETE, ASTM DESIGNATION C 76, CLASS II FOR THE SIZE OF CONNECTING PIPE. 3. REINFORCEMENT IN THE "B" PORTION SHALL HAVE A CROSS - SECTIONAL AREA EOUAL TO THAT OF ONE LAYER OF STEEL IN THE "C' SECTION. 4. THE END OF PIPE CULVERT SHALL BE PLACED IN THE CONCRETE END SECTION SO THAT THE FLOW LINES ARE FLUSH. THE JOINT SHALL BE COMPLETELY FILLED WITH MORTAR. 5. IN 3:1 OR 4:1 FILL SLOPE, CHANGE TO THE SLOPE OF THE END SECTION IN A SMOOTH, PLEASING TRANSITION APPROXIMATELY 10' -0" IN LENGTH. 6. VARIATIONS IN DIMENSIONS - THE THICKNESS OF THE CONCRETE, THE POSITION OF STEEL, AND THE INTERNAL DIAMETER OF THE PIPE SHALL CONFORM WITH THE VARIATIONS IN DIMENSIONS AS PROVIDED IN THE SPECIFICATIONS FOR REINFORCED CONCRETE CULVERT, STORM DRAIN, AND SEWER PIPE, ASTM DESIGNATION C 76. 7. WHERE VITRIFIED CLAY CULVERT OR CAST IRON CULVERT PIPE IS USED, A " PIPE END SECTION " COMPARABLE TO THAT AS SHOWN FOR METAL OR CONCRETE SHALL BE FURNISHED AND SHALL BE AS APPROVED BY THE PROJECT ENGINNEER. B. END SECTIONS WILL BE PAID FOR AT THE CONTRACT UNIT PRICE EACH FOR ' PIPE END SECTION " COMPLETE IN PLACE AND ACCEPTED. 9. CONCRETE PIPE TOE ANCHORS SHALL BE REQUIRED ON ALL CONCRETE PIPE SECTIONS. THE COST THEREOF SHALL BE INCLUDED IN THE CONTRACT UNIT PRICE PER EACH FOR ' PIPE END SECTIONS. 10. DEBRIS GUARDS TO BE INSTALLED ON ALL OPEN ENDED INLETS AND AT ALL POND OUTFALL PIPES. CONCRETE P� C _I END SECTION PIPE ZAPz CULVERT x ------ - - - --1 \ 77771-11-1--i LI Computed length of culvert Rorop to bif O(1GHd Pay length of culvert - -1- End Skllon I on side slope when Length (D) 7 called for on plans. SLOPE DETAIL �- Diameter 11 l� II it --" 1 1/2" R 1 1/2- R J, C Class 'A' Concrete L t +ZT I SECTION A - A SECTION Y - Y ' 12" C to C J Max. Spocinq - I Bolts (See Sheet ME -1 ) H7- FRONT A x STRUCTUMB CASTING 0E91ow l N At S• C. D• E' SOX um MANHOLE R- 2560 -E2 9' - BEEHIVE ® 35.51 26.51 24.130 7 25.750 A -M, B•, E•, J• MANHOLE R -2561 9' - BEEHIVE ® 35.51 26.51 24.131 7 25.751 A -M, B•, E•, J• MANHOLE R- 2561 -A 6' - BEEHIVE ® 35.51 26.51 24.131 7 25.751 A -M, B•, E•, J' MANHOLE * - 4" FLATTOP REQUIRED BEEHIVE INLET CASTING SETTING DETAIL CA -7 NO SCALE Y I N _ _ I OI r - ( I I I ,C � I I R C VO i @: E -I - -- - - - -- -- t -- w I I N Z I OO I I I 1 Y - I H PLAN VIEW Grooved end on outlet end Tongue end on inlet end D C _I_ B =(D -C) I .6 0 9 A T-r J 'O -Grooved (or tongue) to be the andard Reinforced ASTM Designation H some as on St Concrete Pipe C 76 Class 'A' Concrete 6 L A LONGITUDINAL SECTION I. CONCRETE IN THESE END SECTIONS SHALL BE THE SAME GRADE AND STRENGTH AS SPECIFIED FOR REINFORCED CONCRETE PIPE, ASTM DESIGNATION C 76 CLASS II. ( as set out in the Standard Spec's.) 2. REINFORCEMENT IN THE "C" PORTION SHALL BE THE SAME AS SPECIFIED FOR REINFORCED CONCRETE, ASTM DESIGNATION C 76, CLASS II FOR THE SIZE OF CONNECTING PIPE. 3. REINFORCEMENT IN THE "B" PORTION SHALL HAVE A CROSS - SECTIONAL AREA EOUAL TO THAT OF ONE LAYER OF STEEL IN THE "C' SECTION. 4. THE END OF PIPE CULVERT SHALL BE PLACED IN THE CONCRETE END SECTION SO THAT THE FLOW LINES ARE FLUSH. THE JOINT SHALL BE COMPLETELY FILLED WITH MORTAR. 5. IN 3:1 OR 4:1 FILL SLOPE, CHANGE TO THE SLOPE OF THE END SECTION IN A SMOOTH, PLEASING TRANSITION APPROXIMATELY 10' -0" IN LENGTH. 6. VARIATIONS IN DIMENSIONS - THE THICKNESS OF THE CONCRETE, THE POSITION OF STEEL, AND THE INTERNAL DIAMETER OF THE PIPE SHALL CONFORM WITH THE VARIATIONS IN DIMENSIONS AS PROVIDED IN THE SPECIFICATIONS FOR REINFORCED CONCRETE CULVERT, STORM DRAIN, AND SEWER PIPE, ASTM DESIGNATION C 76. 7. WHERE VITRIFIED CLAY CULVERT OR CAST IRON CULVERT PIPE IS USED, A " PIPE END SECTION " COMPARABLE TO THAT AS SHOWN FOR METAL OR CONCRETE SHALL BE FURNISHED AND SHALL BE AS APPROVED BY THE PROJECT ENGINNEER. B. END SECTIONS WILL BE PAID FOR AT THE CONTRACT UNIT PRICE EACH FOR ' PIPE END SECTION " COMPLETE IN PLACE AND ACCEPTED. 9. CONCRETE PIPE TOE ANCHORS SHALL BE REQUIRED ON ALL CONCRETE PIPE SECTIONS. THE COST THEREOF SHALL BE INCLUDED IN THE CONTRACT UNIT PRICE PER EACH FOR ' PIPE END SECTIONS. 10. DEBRIS GUARDS TO BE INSTALLED ON ALL OPEN ENDED INLETS AND AT ALL POND OUTFALL PIPES. CONCRETE P� C _I END SECTION PIPE ZAPz CULVERT x ------ - - - --1 \ 77771-11-1--i LI Computed length of culvert Rorop to bif O(1GHd Pay length of culvert - -1- End Skllon I on side slope when Length (D) 7 called for on plans. SLOPE DETAIL �- Diameter 11 l� II it --" 1 1/2" R 1 1/2- R J, C Class 'A' Concrete L t +ZT I SECTION A - A SECTION Y - Y ' 12" C to C J Max. Spocinq - I Bolts (See Sheet ME -1 ) H7- T (min.) A x C x D x E x K Rt R2 Approx. Weight 12" 2" 5' 4' -3' 6' -2" 2' -0- 1.3 101/8- 9- 800 15" 21/4' 7' 4' -0' 6' -3" 2' -6" 1.5 121/2" 11" 1100 18' 21/2' 11" 4' -1' 6' -2" S -0' 1.8 151/2' 12' 1300 21' 2 3/4' 11' 3' -6' 6' -3' 3' -6" 2.1 16 1/8' 13" 1500 24" 3" F -0' 2' -8' 6' -3" 4' -0' 2.3 16 3/16' 14" 1800 27" 3 1/4' 1' -1' 2' -5' 6'-3'14'-6" 12 2.6 18 9/16' 14 1/2' 2100 30' 7112- V -2" 1' -10' 6' -3- 5' -0- 2.9 18 1/2' 15' 2400 33" 3 3/4" V -3' 3' -6" 8' -3' 5' -6" 3.1 23 3/4' 17 1/2' 4100 36" 4- 1' -5' 3' -1' 8' -3" 6' -0" 3.4 24 5 161 20" 4100 15 214 RCP 812 4.16 R- 3501 -N 812 811 12 26 RCP 813 - END SECTION - - - - _ 814 4.62 R -3501 -N x Tolerance i 1" PRECAST CONCRETE END SECTION ST-3A NO SCALE MINIMUM TOP OF BANK ELEVATION = 847.0 SPILLWAY ELEVATION = DETENTION LAKE SECTION (TYP) NO SCALE 100 YEAR FLOOD ELEVATION ASSUMING ZERO FLOW THROUGH OUTLET PIPE = 847.0 ---------- - - --�1 n>ir EMERGENCY SPILLWAY CROSS SECTION - POND *2 ST -68 NO SCALE E 2" of 18 d50 = 12. crushed stone RIPRAP TYPICAL RIP RAP SWALE ST_1A CROSS SECTION NO SCALE STORM SEWER NETWORK DATA TABLE STRUCTURE DATA PIPE DATA STRUCTURE DEPTH CASTING STRUCTURE SIZE LENGTH TYPE number feel Neenah US DS inches feet 2 1/2 800 - END SECTION 7 8 6 26 801 3.94 R- 1772 -A 801 800 15 394 RCP 802 3.12 R- 2561 802 801 15 220 RCP 803 - END SECTION 803 802 12 88 RCP 804 - END SECTION - - - - _ 803 4.06 f 4MI -N 805 M4 13 212 ko 806 3.67 R- 3501 -N 806 805 12 30 RCP 807 - END SECTION - - - _ _ 808 4.27 R- 3501 -N 808 807 15 195 RCP 809 3.93 R- 3501 -N 809 808 12 30 RCP 810 - END SECTION - - - _ _ 811 4.55 R- 3501 -N 811 810 15 214 RCP 812 4.16 R- 3501 -N 812 811 12 26 RCP 813 - END SECTION - - - - _ 814 4.62 R -3501 -N 814 813 21 202 RCP 815 4.24 R- 3501 -N 815 814 18 38 RCP 816 3.32 R -2561 816 815 15 157 RCP 817 - END SECTION - - - _ _ 818 5.27 R- 3501 -N 818 817 27 296 RCP 819 5.05 R- 3501 -N 819 818 27 30 RCP 820 4.47 R -2561 820 819 27 150 RCP 821 4.26 R -2561 821 820 24 86 RCP 822 4.51 R- 3501 -N 822 821 21 131 RCP 823a 4.28 R- 3501 -N 823a 812 18 30 RCP 823 3.97 R -2561 823 823a 15 130 RCP 824 - END SECTION 825 6.03 R- 1772-A 825 824 27 173 RCP 826 5.33 R- 3501 -N 826 825 27 37 RCP 827 5.12 R- 3501 -N 827 826 27 30 RCP 828 4.17 R -2561 828 827 24 147 RCP 829 4.24 R -2561 829 828 24 385 RCP 830 4.11 R- 3501 -N 830 829 21 152 RCP 831 3.55 R- 3501 -N 831 830 15 30 RCP 832 - END SECTION 833 5.07 R- 3501 -N 833 832 33 18 RCP 834 4.99 R- 3501 -N 834 833 33 30 RCP 835 - END SECTION 835 834 33 18 RCP 836 - END SECTION 837 3.96 R- 3501 -N 836 837 18 16 RCP 838 3.89 R- 3501 -N 837 838 18 30 RCP 839 - END SECTION 838 839 18 16 RCP NOTES: 1. THE DEPTH OF THE STRUCTURE IS CALCULATED FROM THE TC OR RIM ELEVATION TO THE INVERT OUT. 2. THE PIPE LENGTHS ARE FROM THE CENTER OF THE STRUCTUR TO THE CENTER OF THE STRUCTURE. 3. SEE SPECIFICATIONS FOR TYPES OF PIPES DESIGNATED OPT. (OPTIONAL). 4. SEE STORM SEWER PLAN alt PROFILES SHEETS TO CONFIRM PIPE LENGTHS AND STRUCTURE INFORMATION PRIOR TO FABRICATION. 5. ALL GRATED BOX END SECTIONS SHALL BE INDOT TYPE I AND SHALL CONFORM TO SHEET 1 GRATED BOX END SECTIONS IN THE INDOT ROADWAY STANDARDS. ST -lt STORM STRUCTURE DATA NO SCALE DIMENSIONS OF GALVANIZED STEEL END SECTIONS FOR ROUND PIPE PIPE N N NICHE$ DACE DIMENSION$ M RICFNES M DOW 11GES APPROX. SLOPE 12' Thru 24' 'A' t 1" 'B'(MAX,) 'li f 1' l t 1 1/2' w t 2' 12 16 6 6 6 21 24 2 1/2 1 Pc. 15 16 7 8 6 26 30 2 1/2 1 Pe. 18 16 8 10 6 31 36 2 1/2 1 pc. 21 16 9 12 6 36 42 2 111 1 pc. 24 16 10 13 6 41 48 1 112 1 PC. 30 14 12 16 8 51 50 2 1/2 1 pc. 36 14 14 19 9 60 72 1 112 1 Pc. 42 12 16 22 11 69 64 2 1/2 2 pc. 48 12 18 27 12 78 90 2 1/4 1 pc. 54 12 18 30 12 84 102 2 2 pc. 60 12 18 33 12 87 114 1 3/4 3 pc. 66 12 18 36 12 87 120 1 1/2 3 pc. 72 12 18 39 12 87 126 1 1/3 3 pc. 78 12 18 42 12 87 132 1 3 pc- 84 12 18 45 12 87 138 y4 1 1 16 3 pc. STD. PPE SIZE & CONK. USAGE GALVANIZED STEEL PPE Type COM- Round 11 12' Thru 24' 12 30' Thru 36' 13 42* Thru 84' 27 " -30" Ppe - kch 18'x! 1' Thru 58'x36' 12 13 65'x40' Thru 85x54' STANDARD CONNECTIONS : Type 1 Shall Be Connector lug With threaded Rod. Type 2 9*11 Be Threoded Rod With Rod Holder. Type 1 3 Shall Be Riveted Or Boned Comectan NOTE : Standard Dinensions For Galvanized Steel End Sedans For Pipe -Arch and General Construction Wes May Be Found On Misc. Stwdords Sheet E Dated Juy,1972, for The Indiana State Highway Standard Specitcotions. d: Indmopolis D.O.T. Std. plan 32 -02 Dated March, 1972 Diam. Finish Grade Lock Seom Or Rivetd Span Bockfll To Stub Shall Be Used With Outlet Elevation Std. Steel End Section Wish Rap Bolts Or Rivets 1 *.4"+ H I Q ' :, 1 L is Boll Or Weld To Slope / \ Toe Plate 1 Galvanized 10 Co. Metal (ISH1 Sm.) Steel Hal w TAI Typical Elevation skirt Lip -T-i`- 2 1/4 _ 11/4" -_ 1 121/2" I 19' CUTWASHER I I I 4R =9/16'0/16' I ` 1 � ...- - -. 13/16' t 'Dia. �i - -- - BAR I COMPACTED SUBGRADE Q I' SPHERICAL RADIUS HOOK BOLT AND NUT MATCH EXISTING GROUND SLOPE ST-50 NO SCALE MATCH EXISTING GROUND SLOPE. EXISTING SOILS 2' TYPICAL SWALE DETAIL Typical Cross Section Typical Plan Pipe Pipe -Arch With 13 Conn. o Lock Seam Or Riveted Stub NOTES: END SECTIONS AND TOE PLATE ANCHORS SHALL CONFORM TO ALL APPLICABLE REQUIREMENTS AS SET OUT IN THE STANDARD SPECIFICATIONS. IF ALUMINUM ALLOY PIPE CULVERT IS FURNISHED, KIM" ALLOT' END SECTIONS SHALL ALSO BE USED AND ALL COMPONENTS PMTS SHALL BE ALUMINUM ALLOY AS SET M THE STANDARD SPECIFICATKMIS. MULTIPLE PANEL BODIES SHALL HAVE IV SEAMS WHICH SHALL BE TIGHTLY JOINTED WITH 3/8' Da. GALVANIZED RIVETS OR BOLTS. THE TOE PLATE ANCHOR SHALL BE CONSTRUCTED OF 10 GAGE GALVANIZED STEEL AND BE REQUIRED ON ALL STEEL PIPE END SECTIONS. IT SWILL BE MATCHED- PUNCHED TO FIT HOLES IN SKIRT LIP, AND SUPPLIED LOOSE, COMPLETE WITH 3/8' Da. GALVANIZED BOLTS. COST THEREOF SHALL BE INCLUDED IN THE CONTRACT UNIT PRICE PER EACH FOR TIPE END SECTION'. EDGE OF PAVEMENT, WHERE VITRIFIED CLAY CULVERT OR CAST IRON CULVERT PIPE IS USED A "PIPE END SECTION' COMPARABLE CURB, GUTTER OR TO THAT AS SHOWN FOR METAL OR CONCRETE SHALL BE AS APPROVED BY THE ENGINEER. SIMILAR STRUCTURE END SECTIONS WILL BE PAID FOR AT THE CONTRACT UNIT PRICE FOR 'PIPE END SECTION' COMPLETE IN PLACE AND ACCEPTED. PIMPLED CONNECTION BAND MAY BE USED TO CONNECT PPE END SECTION TO HELICALLY CORRUGATED PPE. SPECIFICATION FOR HOOK BOLT AND NUT FRAME & COVER PER STRUCTURE DATA TABLE T.C. ELEVATION ASPHALTIC MASTIC RINGS CONCRETE ADJUSTING OR BUTYL RUBBER MAX) SEAL AT JOINTS 2 ECCENTRIC CONE SECTION OR 4 " ®IA, REDUCER CAP AS RE QUIRED N NOTE: 16 "O.C. MANHOLE CONFORMS MAXIMUM TO ASTM. C -478 5" MIN. MANHOLE DIAMETER SEE TABLE 0 -RING GASKET PRECAST CONCRETE SECTIONS ASPHALTIC MASTIC OR BUTYL RUBBER SEAL AT JOINTS WPIPE BENCHWAI,LS AT MIN. 112 PER FT. SLOPE REINFORCING MIN. STEEL AREA 0.12 SO. IN./FT. OF WIDTH IN BOTH DIRECTIONS. REBAR OR WIRE MESH EOUIVLENT. '_: • .. 6" 3 "T MIN, 6" OF #2 OR #8 STONE 1 NOTE: MANHOLE STEPS SHALL BE POLYPROPYLENE, POLYPROPYLENE COATED STEEL REINFORCING OR AN APPROVED NON - CORROSIVE FIBERGLASS MATERIAL. THE COPOLYMER POLYPROPYLENE SHALL MEET THE REQUIREMENTS OF ASTM D -4101 REINFORCED WITH DEFORMED 3/8 INCH MINIMUM DIAMETER REINFORCING STEEL CONFORMING TO THE REQUIREMENTS OF ASTM A -615, GRADE 60. NON- COATED CAST IRON STEPS ARE NOT ACCEPTABLE. PIPE SIZE MANHOLE DIAMETERS PIPES ENTERING LEAVING AT 0' -45' BEND 45' -90' BEND 8 " -21" 48" 48" 24" 48" 60" 27 " -30" 60" 60" 33 " -36" 60" 72" PIPE SIZE PIPE TURNS MANHOLE DIA, 24 " -33' > THAN 45' -90' 60" 33 " -36" STRAIGHT THRU 60" 42 " -48" UP TO 45' 72" 42" > THAN 45' -90' 84" 48" UP To 45' 84" 48" > THAN 45' -90' 96" 54 " -66" UP TO 60' 96" STANDARD STORM SEWER MANHOLE ST -6 NO SCALE ST-5 I NO SCALE HOOK BOLT MATERIAL SHALL MEET THE CURRENT A.S.T.M. A- 307. THREADS SHALL BE AMERICAN STANDARD COARSE THREAD SERIES, CLASS N FREE FR. BOLTS SHALL BE GALVANIZED TO MEET CURRENT A S.T.M. SPECICATION A- 157. THE THREADED PORTION SHALL NOT PREVENT TURNING THE NUT BY HAND. NUT AND WASHERS SHALL BE CARBON STEEL LOT DIP GALVANIZED TO MEET A.S.T.M. SPECIFICATION A -153. NUT THREADS SHALL BE AMERICAN STANDARD COARSE THREAD SERIES ( 1/64' Max. OVERSIZE ), CLEANED AFTER GALVANIZING TO PROVIDE M% FREE RUNNING FIT ON THE CLASS N BOLT. NUTS SHALL BE 1 1/4' ACROSS FLATS, 13/16' THICK, CURVE CROWNED TO APPROXIMATELY 1' RADIUS. ST -3 STANDARD STEEL END SECTION HAUNCHING NO SCALE (Bc /6) J J �Q m L BOX INLET SCHEDULE INLET TYPE A B MAX PIPE TYPE A • 22" 22" 15" 1 15" TYPE AM • 24' 24" 18" 18" TYPE B 30" 46" 21" 21" TYPE E • 30" 30" 21" 21" TYPE J . 24" 36" 18" 27" TYPE S 15' 61" 1 0" 1 36" • - PRECAST ADJUSTING SECTIONS AVAILABLE SEE STORM STRUCTURE TC ELEVATION DATA TABLE FOR CASTING - -- b � a Y ssD • 1 BOX INLET DETAIL MIN 6" TOPSOIL LEGEND MIN. Bc +18" Bc = OUTSIDE DIAMETER D = INSIDE DIAMETER d = DEPTH OF BEDDING ' \ MATERIAL BELOW PIPE \ DEPTH OF BEDDING MATERIAL BELOW PIPE D d MIN. �; Bc d 27" & SMALLER 3" 30" TO 60" 4" • • .\ . 66" & LARGER 6" RCP TRENCH DETAIL ST -32 NO SCALE