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HomeMy WebLinkAbout2456-91 z o� PIPE SEAT LEVEL. i� SEE NOTE 18 N DI F OPTIONAL OUTSIDE F :� EDGES TO BE EDGE OF CONCRETE II 3/4' 39' GRADE ROUNDED 12 1/2' D 'BARS g� a I/// TO 3' R _ 3. Oc 71 14' R 102' 15 1/2' 51' 24 93 TIE BAR 16- j R=ID OF SPUR C + 1 tC ARS I 17' _57' 60' ' MANHOLE SHAFT PER STD. 126'7' 63' 66' 1 5•x2' PIPE 4-•6. E BARS A'. 17 I/2' 17 1/2' P I2'-4•'2'-4• 72' 11' 3'-3* LONG. SEE NOTE 2 OMIT THIS STEP L_ 4-•4 H BARS C: •3 TIE BAR 3' -O' LONG D BARS - SEAT 4 -0 3' OC. ♦. � I SHAFT PER STD. 16' FOR PAVED SEE NOTE 9 w a i DETAIL •NM 3-•4 J BARS 4'-t' (RINGS AND COVER NOT SHOWN) F F LONG 3' OC CON' T. (SEE NOTE I) . GRADE POINTS. ADD' L. BARS 6' OC STEPS M T 3'-6' TO INSIDE EDGE OF SEE NOTE 4 W 01 AN MANHOLE. SEE NOTE 2 z o� PIPE SEAT LEVEL. i� SEE NOTE 18 N TABLE OF VALUES FOR F MANHOLE FRAME F 'L E BARS -1 F STREET AND COVER PER 78' II 3/4' 39' GRADE STD. PLAN 630 12 1/2' 42' 7 I/2' 90' 13 1/4• 45' 7 3/4' 71 14' 3'� R 102' 15 1/2' 51' 24 108' 16- 54' 9 114' 1 D 15 ARS I 17' _57' 60' ' MANHOLE SHAFT PER STD. 126'7' 63' 66' 1 5•x2' PIPE �'' CID 17 I/2' 17 1/2' �" P I2'-4•'2'-4• 72' 11' OMIT THIS STEP C: IN PAVED STREETS MANHOLE J _ PLAN 324 SEAT 24' W SHAFT PER STD. 16' FOR PAVED E BARS w °D TIE BARS N 9' L S' . GRADE POINTS. STEPS M T 3'-6' T SEE NOTE 4 W TIE BAR q. SECTION B -B ROUND F 'J BARS • EDGES SPRING LINE 7' TO 3'R a ___ - 5'x2' PIPE SEAT INLET CONCRETE RINGS STREET GRADE •46118' OC Z W PER STD. To.j BOTH WAYS. T -T-' ELEVATION APPLIES AT PLAN 324 5'x I• RING SEAT TO BE USED WHEN D2 IS THIS POINT OMIT THIS H BARS 60' OR OVER OF INLETS STEP IN z SEE TABLE SECTION A -A PAVED STREETS - o VARIABLE n 5 "' 5'• E BARS H BARS _ 24' ROUND EDGES •3 OR •4 61 TIE BARS 16' FOR PAVED F F J BARS I /a' STREETS. 2' -2' TABLE OF VALUES FOR F D F D2 F 36' I 6 1/2" 78' II 3/4' 39' 7' 84' 12 1/2' 42' 7 I/2' 90' 13 1/4• 45' 7 3/4' 96' 14' 48' 8' 102' 15 1/2' 51' 8 1/2- 108' 16- 54' 9 114' 16 1/2' 9 I/4• 120' 17' _57' 60' ' 9 1/2' 126'7' 63' 66' 1 10' 10 1/4' 132' 138' 17 I/2' 17 1/2' 69' 10 3/4' 144' ' IS' 72' 11' OMIT THIS STEP FOR UNPAVED ROUND STREETS EDGES TO 3'R W SECTION C -C TABLE OF VALUES FOR M (SEE NOTE II ' SE C T I 0 N A -A PAVED STREET UNPAVED STREET --r- - - --r - - - MAX. MIN. MAX. MIN. '- ; 2_-10 1/2' 3-- -_1 ' C -C 111 8 1/2' 16' IS• AMERICAN PUBLIC WORKS ASSOCIATION -SOUTHERN CALIFORNIA CHAPTER �aTm K>1rr THE ArwA-Aac JOINT COOPERATIVE32�-a CoEE MANHOLE PIPE TO PIPE MAIN LINE I D = 36" OR LARGER STANDARDP`M PLAN 21-10 1/2' 3'-6* USE Wml STANDARD SPECIRCATIONS FOR PIALIC s CONSTRUCT1011 N. OTES I . WHEN DEPTH M FROM STREET GRADE TO THE TOP OF THE BOX IS LESS THAN 2'-10 1/2" FOR PAVED STREETS OR Y-60 FOR UNPAVED STREETS. CONSTRUCT SHAFT PER SECTION C -C AND DETAIL 'N•. DEPTH M MAY BE REDUCED TO AN ABSOLUTE LIMIT OF 6" WHEN LARGER VALUES OF M WOULD REDUCE H IN SECTION C -C TO 3'-6" OR LESS. 2. H (IN SECTION A -A AND B -B) SHALL NOT BE LESS THAN 4'-0'. BUT MAY BE INCREASED PROVIDED THAT THE VALUE OF M SHALL NOT BE LESS THAN THE MINIMUM SPECIFIED AND THAT THE REDUCER SHALL BE USED. FOR H (IN SECTION C -C) SEE NOTE 1. 3. L SHALL BE 4'-0' UNLESS OTHERWISE SHOWN. L MAY BE INCREASED OR LOCATION OF MANHOLE SHIFTED TO MEET PIPE ENDS. BUT ANY CHANGE IN LOCATION OF THE SPUR MUST BE APPROVED BY THE ENGINEER. 4. T SHALL BE 8' FOR VALUES OF H UP TO AND INCLUDING 8' -0' AND 10' FOR VALUES OF H OVER 8' -On. 5. STATIONS OF MANHOLES SHOWN ON PROJECT DRAWINGS APPLY AT CENTER LINE OF SHAFT. ELEVATIONS ARE SHOWN AT CENTER LINE OF SHAFT AND REFER TO THE PROLONGED INVERT GRADE LINES. SEE NOTE 3. 6. REINFORCEMENT SHALL CONFORM TO ASTM A 615. GRADE 40. AND SHALL TERMINATE 1 1/2' CLEAR OF CONCRETE SURFACES UNLESS OTHERWISE SHOWN. 7. FLOOR OF MANHOLE SHALL BE STEEL TROWELED TO SPRING LINE. S. BODY OF MANHOLE SHALL BE POURED IN ONE CONTINUOUS OPERATION EXCEPT THAT A CONSTRUCTION JOINT WITH A LONGITUDINAL KEYWAY MAY BE PLACED AT SPRING LINE. 9. THICKNESS OF THE DECK SHALL VARY WHEN NECESSARY TO PROVIDE A LEVEL SEAT BUT SHALL NOT BE LESS THAN 8" 10. STEPS SHALL CONFORM TO STANDARD PLAN 635 OR 636. UNLESS OTHERWISE SHOWN. STEPS SHALL BE UNIFORMLY SPACED 14' TO 15. OC. THE LOWEST STEP SHALL NOT BE MORE THAN 24' ABOVE THE LEDGE AT THE SIDE OF THE MANHOLE. NOTES WHEN DEPTH M FROM STREET GRADE tO THE TOP OF THE BOX IS LESS THAN 2'-10 1/2' FOR PAVED STREETS OR 3'-6' FOR UNPAVED STREETS. CONSTRUCT MONOLITHIC SHAFT PER SECTION C -C AND DETAIL 'N'. SHAFT FOR ANY DEPTH OF MANHOLE MAY BE CONSTRUCTED PER SECTION C -C. WHEN DIAMETER DI IS 48. OR LESS. CENTER OF SHAFT MAY BE LOCATED PER NOTE 2. 2. CENTER OF MANHOLE SHAFT SMALL BE LOCATED OVER CENTER LINE OF STORM DRAIN WHEN DIAMETER DI IS 48' OR LESS. IN WHICH CASE PLACE E BARS SYMMETRICALLY AROUND SHAFT AT 45• WITH CENTER LINE AND OMIT J BARS. 3. L AND P SHALL HAVE THE FOLLOWING VALUES UNLESS OTHERWISE SHOWN ON THE PROJECT DRAWINGS: A. D2=960 OR LESS. L=5' -G". P=50 B. D2 OVER 960, L= 6' -0'. P=80 L MAY BE INCREASED OR LOCATION OF MANHOLE SHIFTED TO MEET PIPE ENDS. WHEN L GREATER THAN THAT SHOWN ABOVE IS SPECIFIED. D BARS SHALL BE CONTINUED 600C. 4. STATIONS OF MANHOLES SHOWN ON PROJECT DRAWINGS APPLY AT CENTER LINE OF SHAFT. ELEVATIONS ARE SHOWN AT CENTER LINE OF SHAFT AND REFER TO THE PROLONGED INVERT GRADE LINES. 5. REINFORCEMENT SHALL CONFORM TO ASTM A 615. GRADE 40. AND SHALL TERMINATE 1 1/2' CLEAR OF CONCRETE SURFACES UNLESS OTHERWISE SHOWN. 6. FLOOR OF MANHOLE SHALL BE STEEL TROWELED TO SPRING LINE. 7. BODY OF MANHOLE SHALL Bf POURED IN ONE CONTINUOUS OPERATION EXCEPT THAT A CONSTRUCTION JOINT WITH A LONGITUDINAL KEYWAY MAY BE PLACED AT SPRING LINE. S. THICKNESS OF THE DECK SHALL VARY WHEN NECESSARY TO PROVIDE A LEVEL SEAT BUT SHALL NOT BE LESS THAN THE TABULAR VALUES FOR F SHOWN ON TABLE SM. 1. 9. D BARS SHALL BE •4 FOR D2=39* OR LESS. •5 FOR D2=42" TO 84' INCLUSIVE AND •6 FOR D2=90' OR OVER. 10. CENTER LINE OF INLET PIPE SHALL- INTERSECT INSIDE FACE OF CONE AT SPRING LINE UNLESS OTHERWISE SHOWN. 11. STEPS SHALL CONFORM TO STANDARD PLAN 635 OR 636 UNLESS OTHERWISE SHOWN. STEPS SHALL BE UNIFORMLY SPACED 14' TO 15" OC. THE LOWEST STEP SHALL NOT BE MORE THAN 24' ABOVE THE INVERT. 12. THE FOLLOWING CRITERIA SHALL BE USED FOR THIS MANHOLE: A. MAIN LINE = 36' INSIDE DIAMETER OR LARGER. EXCEPT IF MAIN LINE RCP DOWNSTREAM OR MANHOLE IS 36' TO 42' INSIDE DIAMETER AND MAIN LINE RCP UPSTREAM IS 33' OR LESS STANDARD PLAN 321 SHALL BE USED. OR- LESS 11. THE FOLLOWING CRITERIA SHALL BE USED FOR THIS MANHOLE: A. MAIN LINE = 33' INSIDE DIAMETER OR LESS. (EXCEPTION - IF THE MAIN LINE RCP DOWNSTREAM OF THE MANHOLE IS 36' TO 42' INSIDE DIAMETER AND THE MAIN LINE RCP UPSTREAM IS 33' OR LESS.) STANDARD PLAN 320 OR STANDARD PLAN 322 IS NOT APPLICABLE WHERE THE MAIN LINE CONDUIT IS LESS THAN 36" IN DIAMETER. B. SEE SECTION A - A. THE MAXIMUM SIZE LATERAL THAT MAY BE CONNECTED TO THIS MANHOLE IS SUCH THAT THE DISTANCE FROM THE OUTSIDE (TOP) OF THE LATERAL TO THE BOTTOM OF THE 8' THICK TOP OF THE MANHOLE CHAMBER. MEASURED VERTICALLY FROM THE END OF THE RCP. SHALL BE A MINMUM OF 6'. C. IF THE SIZE OF THE LATERAL IS SUCH THAT THE ABOVE-SPECIFIED MINIMUM DISTANCES CANNOT BE MAINTAINED, THEN ONE OF THE FOLLOWING ALTERNATE SOLUTIONS MUST BE USED. I. PROVIDE A SPECIAL STRUCTURE. 2. PROVIDE TWO STANDARD STRUCTURES. CONSISTING OF THIS MANHOLE PLACED UPSTREAM OR DOWNSTREAM FROM THE APPLICABLE JUNCTION STRUCTURE OR TRANSITION STRUCTURE. 12. MANHOLE FRAME AND COVER SHALL CONFORM TO STANDARD PLAN 630 UNLESS OTHERWISE SHOWN. 13. MANHOLE SHAFT SHALL CONFORM TO STANDARD PLAN 324 UNLESS OTHERWISE SHOWN. 14. WHERE A MANHOLE SHAFT - 36 -INCH WITHOUT REDUCER IS SPECIFIED REFER TO STANDARD PLAN 336. 15. WHERE A PRESSURE MANHOLE SHAFT - WITH ECCENTRIC REDUCER IS SPECIFIED REFER TO STANDARD PLAN 328. 16. WHERE A PRESSURE MANHOLE SHAFT - 36 -INCH WITHOUT REDUCER IS SPECIFIED REFER TO STANDARD PLAN 329. THE FOLLOWING STANDARD PLANS ARE INCORPORATED HEREIN. - 324 MANHOLE SHAFT - WITH ECCENTRIC REDUCER 326 MANHOLE SHAFT - 36 -INCH WITHOUT REDUCER 328 PRESSURE MANHOLE SHAFT - WITH ECCENTRIC 329 PRESSURE MANHOLE SHAFT - 36 -INCH WITHOUT REDUCER 630 24 -INCH MANHOLE FRAME AND COVER 633 36 -INCH MANHOLE FRAME AND COVER 635 STEEL STEP _ 636 POLYPROPYLENE PLASTIC STEP THE OUTSIDE DIAMETER OF THE LATERAL MUST BE LESS THAN OR EQUAL TO 1/2 THE INSIDE DIAMETER OF THE MAIN LINE. IF THE UPSTREAM AND DOWNSTREAM DIAMETERS OF THE MANHOLE ARE NOT THE SAME. THE GOVERNING INSIDE DIAMETER OF THE MAIN LINE SHALL BE CONSIDERED TO BE THAT WHERE THE EXTENDED CENTER LINE OF THE LATERAL ENTERS THE MANHOLE. C. IN NO INSTANCE SHALL THE INSIDE DIAMETER OF THE LATERAL TO THE MANHOLE BE GREATER THAN 300. 13. MANHOLE FRAME AND COVER SHALL CONFORM TO STANDARD PLAN 630 - UNLESS OTHERWISE SHOWN. 14. MANHOLE SHAFT SHALL CONFORM TO STANDARD PLAN 324 UNLESS OTHERWISE SHOWN. 15. WHERE A MANHOLE SHAFT - 36 -INCH WITHOUT REDUCER IS SPECIFIED REFER TO STANDARD PLAN 326. 16. WHERE A PRESSURE MANHOLE SHAFT - WITH ECCENTRIC REDUCER IS SPECIFIED REFER TO STANDARD PLAN 328. 17. WHERE A PRESSURE MANHOLE SHAFT - 36 -INCH WITHOUT REDUCER IS SPECIFIED REFER TO STANDARD PLAN 329. THE FOLLOWING STANDARD PLANS ARE INCORPORATED HEREIN: 324 MANHOLE SHAFT - WITH ECCENTRIC REDUCER 326 MANHOLE SHAFT - 36 -INCH WITHOUT REDUCER 328 PRESSURE MANHOLE SHAFT - WITH ECCENTRIC 329 PRESSURE MANHOLE SHAFT 36 -INCH WITHOUT REDUCER 630 24 -INCH MANHOLE FRAME AND COVER 633 36 -INCH MANHOLE FRAME AND COVER 635 STEEL STEP 636 POLYPROPYLENE PLASTIC STEP A hl 19 14 EDGES TO BE ROUNDED TO 3'R f A �g �-- R x 1 D OF SPUR ALL STEEL 1 •4 O 4' OC +C + i- 0 N OPTIONAL BOTTOM GRADE POINTS. SEE NOTE S TABLE VI Mo_ ' ' SECTION SDE T A I L "N" PLAN 21-10 1/2' 3'-6* B (RINGS AND COVER NOT SHOWN@ PLAN SEE NOTE I (SHAFT NOT SHOWN) STREET GRADE MANHOLE FRAME STREET GRADE AND COVER PER CONCRETE RINGS STD. PLAN 630 PER STD. PLAN 324 5'x1' RING 24. SEAN OMIT THIS STEP C: IN PAVED STREETS MANHOLE J _ 24' W SHAFT PER STD. 16' FOR PAVED °D PLAN 324 STREETS. 2' -2' 9' L S' FOR UNPAVED M T 3'-6' T W STREETS m r©© • 7' a ___ - 5'x2' PIPE SEAT = Z W To.j LX 3'-6' T ROUND EDGES 1/2' > cn OF INLETS n _ ROUND EDGES I /a' INLET ELEVATION SECTION C -C APPLIES AT THIS POINT SECTION A -A STATION LINE 3' r 0' T T ;D r� STEPS T 1$• T + i- 0 N OPTIONAL BOTTOM GRADE POINTS. SEE NOTE S TABLE VALUES M (SEE NOTEM SECTION PAVED STREET UNPAVED STREET MAX. MIN. MAX. MIN. -A 21-10 1/2' 3'-6* _A C -C 11' 8 1/2' 16' IS' AMERICAN PUBLIC WORKS ASSOCIATION - SOUTHERN CALIFORNIA CHAPTER PROMUL0A1lD /Y lIM A/IrA-AAtiC ''°"'T E MANHOLE PIPE TO PIPE (ONE OR BOTH MAIN LINE ID'S 33" OR SMALLER srmD °P` w 321-0 USE WITH STANDARD SPECIFICATIONS FOR PUBLIC WORKS CONSTRUCTION t TOP Of BEDDING B UNLESS BACKFILL AS SPECIFIED OTHERWISE NOTED IN THE - > SPECIFICATIONS W EXCAVATED BANK OR SHEETING BEDDING B SEWING A Z KWING MATERIAL •ELOW BOTTOM OF IN RCP SHALL BE 1/120' FOR PIPES 39' AND LARGER IN DIAMETER. AND 40 FOIA ..- RCP LESS THAN 39' IN DIAMETER. IN NO CASE SHALL IT BE LESS THAN EXCAVATION TO THIS 1' BELOW ANY BELL OR COLLAR 4' MIN. LIME PERMITTED CASE 3 REINFORCED CONCRETE 227ts= CASE 3 BEDDING a BACKFILL AROUND RCP (LOAD FACTOR 1.8) (s) W AT SPRING LINE SMALL NOT BE LESS THAN TME FOLLOWING i' FOR RCP 60' OR LESS IN DIAMETER. 100 FOR RCP 630 TO 108' INCLUSIVE IN IAMETER. ANO IY FOR PIPf� LARGER THAN 100' IN DIAMETER. THESE IMENSIONS MAY INCLUDE THE THICKNESS OF ANY $MEETING. lb) ERE COVER IS 10' -0. OR LEEESS. W MEASURED AT THE TOP Of THE RCP MAY sE ANY DIMENSION GREATER THAN THE ABOVE SPECIFIED MINIMUM. UNLESS THERWISE SPECIFIED ON THE PROJECT DRAWINGS. (e) WHERE COVER IS GREATER THAN 10'-0'. W MEASURED AT TOP OF PIPE SMALL MOT BE GREATER THAN 10' FOR RCP 109' IN DIAMETER OR LESS. OR I2' FOR RCP OVER 108' IN DIAMETER UNLESS THE CONTRACTOR AT HIS OWN EXPENSE PROVIDES CASE I BEDDING OR STRONGER RCP.. THESE DIMENSIONS NCLUpDE THE THICKNESS OF ANY SHEETING. (6) SCREED BEDDING A TO FIT CURVATURE AND GRADE OF RCP. TYPE OF SCREED AND THE METHOD OF USE TO BE APPROVED BY THE ENGINEER. NOTE 1. USE CASE 3 FOR RCP. CASE 2 FOR VITRIFIED CLAY. PLASTIC AND S. WHERE CALLED FOR BY THE DEPARTMENTS STRUCTURAL DESIAN PLAIN CONCRETE PIPE UNLESS OTHERWISE SPECIFIED OR SHOWN CN MANUAL. OR WHERE SPECIFIED ON THE PROJECT DRAWINGS. THE PROJECT DRAWINGS. CONCRETE SHALL BE 420-C-2000. 2. FOR RCP 27' IN DIAMETER AND LARGER. BEDDING A SMALL SE COM- 6. CONCRETE BACKFILL SMALL BE POURED FROM WALL TO WALL OF POSED OF SAND. 3/4' OR 1/2' CRUSHED ROCK. NO. 3 OR 4 CONCRETE THE TRENCH AND FROM THE BOTTOM OF THE TRENCH TO A MINIMUM AGGREGATE OR GRAVEL OR OTHER GRANULAR MATERIAL AS SPECIFIED DEPTH OF 4. OVER THE TOP OF THE PIPE. AND SHALL HAVE A SAND EOUIVALENT VALUE OF NOT LESS THAN 20 UNLESS OTHERWISE APPROVED BY THE ENGINEER. 7. CONCRETE BACKFILL SMALL SE PROVIDED FOR RCP law IN DIAMETER OR LESS WHERE THE COVER IS EOUAL TO OR LESS THAN 240. FOR 3. WHERE RCP SMALLER THAN 27' IN DIAMETER IS USED. THE REOUIRE- RCP GREATER THAN 21' IN DIAMETER BUT LESS THAN 39- WHERE MENTS IN NOTE 2 SHALL BE MET EXCEPT THAT A GRADATION NO THE COVER IS LESS THAN 15' AND FOR RCP 39' OR GREATER WHERE COARSER THAN NO. 4 CONCRETE AGGREGATE OR NO COARSER THAN THE COVER IS LESS THAN 12'. CONCRETE BACKFILL SHALL BE IN 1/2' CRUSHED ROCK SHALL BE USED. ACCORDANCE WITH NOTES S AND 6. 4. BEDDING B SMALL BE COMPOSED OF SAND OR OTHER GRANULAR •. 3 -EDGE BEARING TEST LOAD FACTOR * 1.0. MATERIAL AND SHALL HAVE A SAND EOUIVALENT VALUE NOT LESS THAN 20 AS SPECIFIED IN SUBSECTI306-1.2.1 AS AMENDED UN- LESS OTHERWISE APPROVED BY THE 'NGINEER AND SHALL BE COW PLETED PRIOR TO PLACING THE BALANCE OF THE BACKFILL. THE MAXIMUM ROCK SIZE FOR BEDDING B SHALL BE 4• IN THE GREATEST DIMENSION. NESTING OF ROCKS WILL NOT BE PERMITTED. LOS ANGELES COUNTY DEPARTMENT OF PUBLIC WORKS STANDARD PLAN PIPE BEDDING IN TRENCHES 3080-0