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ENGINEERING DIVISION OF PUBLIC WORKS CITY OF LAWRENCE, KANSAS

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Page 1: 1/4 PL 3/16 1 1/4-5 3/16 1 1/4-5 3/16 1 1/4-5 3/16 1 1/4-5 ... · 03-21-17. replaces all previous versions of storm sewer curb inlet details. by. date. revision. of. sheet. standard

ENGINEERING DIVISION OF PUBLIC WORKSCITY OF LAWRENCE, KANSAS

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TYPE 1
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TYPE 2
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MAINTAIN GUTTER WIDTH AND 1/2" PER FOOT SLOPE THROUGH TRANSITION
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6" MINIMUM CONCRETE APRON OVER 6" MINIMUM 3/4" CLEAN CRUSHED ROCK
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2-#4 BARS EXTEND THROUGH TRANSITIONS ONE TIED TO #4 REBAR HOOK AND ONE DRILLED INTO BOX LID
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MATCH TOP OF STEEL FRAME
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MATCH TOP OF STEEL FRAME
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MINIMUM
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CURB TRANSITION
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#4 REBAR HOOK @ APPROX. 1'-0" ON CENTER
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3/4" DIA. ROD
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1/4" PL EQUALLY SPACED @ 3'-0" MAX
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#4 REBAR HOOK (TYP.)
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1/4" PL
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L 1 1/2 X 1 1/2 X 1/4 X 2" @ EACH END AND @ EACH INTERMEDIATE PLATE
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3/16 1 1/4-5 3/16 1 1/4-5
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3/16 1 1/4-5 3/16 1 1/4-5
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STEEL INLET FRAME
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C
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C
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1/4" PL
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3/16
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TYP.
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3/4" DIA.
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TYP.
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3/16" PL
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3/16
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TYP.
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SECTION C-C
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SECTION B-B
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* NOTE: NOTE: : THE END OF THE PIPE SHOULD EXTEND A MINIMUM OF 4", UP TO A MAXIMUM OF 6", BEYOND THE INTERIOR WALL FACE.
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SIDEWALK CONNECTIONS AS REQUIRED PER NOTE 7
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TYPE I RING AND COVER
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MAINTAIN GUTTER WIDTH AND 1/2" PER FOOT SLOPE
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6" MINIMUM CONCRETE APRON OVER 6" MINIMUM 3/4" CLEAN CRUSHED ROCK. COMPACT ROCK IN 8" LIFTS AROUND ENTIRE PERIMETER TO 4" BELOW DRAIN ELEVATIONS.
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10" STEEL INLET FRAME MANUFACTURED BY SHAWNEE STEEL AND WELDING, INC. OR PRE-APPROVED EQUAL. SEE STEEL INLET FRAME DETAIL
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PLASTIC ENCASED MANHOLE STEPS M.A. INDUSTRIES PS2-PF OR APPROVED EQUAL
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#4 BARS @ 12" ON CENTER WITH #4 CORNER TIES
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#4 BARS @ 12" ON CENTER WITH #4 CORNER TIES
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ROUGH OPENING PIPE OUTSIDE RADIUS + 3"
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CONCRETE INVERT TO SPRING LINE OF PIPES
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#4 BARS @ 6" O.C.E.W.
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#4 STD HOOKS @ 12" ON CENTER ALL WALLS
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SUBSURFACE DRAIN AS REQUIRED PER NOTE 5 AND DETAIL
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*
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CONCRETE FOOTING
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TOP OF FRAME ELEVATION = RIM ELEV PER PLANS
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IJ
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MINIMUM
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4" MINIMUM
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FLOW LINE PER PLAN
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CURB INLET STAMP
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CENTERED ON INLET
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FACE OF STEEL INLET FRAME
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STAMPING TOOL TO FORM 2" HIGH LETTERS USING 1/4" DIA. ROUND STEEL ROD. STAMP CONCRETE 1/4" DEEP AFTER BROOM FINISHING.
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PLAN
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6" DIA. PVC COUPLER AND STUB OR EQUAL FITTING CAST INTO STRUCTURE WALL
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6" DIA. PERFORATED PVC DRAIN PIPE 18" LONG
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ALL FITTINGS SOLVENT WELDED
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PVC CAP
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SUBSURFACE DRAIN
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SECTION
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TYPICAL TRENCH SECTIONS
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OUTSIDE PAVEMENT
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6" TOPSOIL
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FLOWABLE MORTAR
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1:1
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1:1
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1:1
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1:1
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SUITABLE MATERIAL PLACED AND COMPACTED AS SPECIFIED.
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CONCRETE OR ASPHALT PAVEMENT
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UNDER AND WITHIN 2' OF STREET AND SIDEWALK PAVING
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DOWNSTREAM
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10' MAXIMUM
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AND BOTH SIDES OF SUMP
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CJ = SAWED OR TOOLED CONTROL JOINT 3/4" DEEP IJ = 1/2" PREMOLDED BITUMINOUS ISOLATION JOINT
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IJ
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CJ
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CJ
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IJ
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B
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B
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A
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A
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D
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D
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STANDARD CURB INLET
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PLAN
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#4 BARS @ 12" ON CENTER WITH #4 CORNER TIES
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2-#4 BARS EXTENDED THROUGH TRANSITION ONE TIED TO #4 REBAR HOOK AND ONE DRILLED 6" INTO BOX LID (EACH SIDE OF INLET)
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STEEL INLET FRAME (10" THROAT)
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ADDITIONAL #4 BARS AT 45° TO TYPICAL REINFORCING
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CENTER OF LID ALIGNED WITH STEPS AND 1'-2" OFF INSIDE FACE OF WALL
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INSIDE WALL
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OUTSIDE EDGE OF CONCRETE FOOTING
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STAMP CONCRETE PER CURB INLET STAMP DETAIL
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CURB INLET GENERAL NOTES 1. STANDARD DRAWINGS SHALL APPLY ONLY TO STRUCTURES WITHIN THE FOLLOWING LIMITS: STANDARD DRAWINGS SHALL APPLY ONLY TO STRUCTURES WITHIN THE FOLLOWING LIMITS: A. INSIDE PLAN DIMENSIONS SHALL NOT EXCEED 40 SQUARE FEET. B. WALL HEIGHT SHALL NOT EXCEED 10 VERTICAL FEET.. 2. THE MINIMUM WIDTH OF ALL STRUCTURES SHALL BE 4 FEET OR AS REQUIRED FOR PIPE CLEARANCE. THE MINIMUM WIDTH OF ALL STRUCTURES SHALL BE 4 FEET OR AS REQUIRED FOR PIPE CLEARANCE. 3. STEPS ARE REQUIRED IN ALL STRUCTURES WITH WALL HEIGHT GREATER THAN 4 FEET. STEPS ARE REQUIRED IN ALL STRUCTURES WITH WALL HEIGHT GREATER THAN 4 FEET. 4. FRAMES, LIDS, CASTINGS, STEPS, INVERT, SUBSURFACE DRAINS, PIPE CONNECTIONS AND OTHER FRAMES, LIDS, CASTINGS, STEPS, INVERT, SUBSURFACE DRAINS, PIPE CONNECTIONS AND OTHER ITEMS SHOWN SHALL BE CONSIDERED SUBSIDIARY TO EACH STANDARD STRUCTURE. 5. SUBSURFACE DRAINS ARE REQUIRED IN ALL STRUCTURES IN THE PUBLIC RIGHT-OF-WAY WITH SUBSURFACE DRAINS ARE REQUIRED IN ALL STRUCTURES IN THE PUBLIC RIGHT-OF-WAY WITH WALL HEIGHT GREATER THAN 3 FEET. ONE DRAIN PER WALL SHALL BE INSTALLED ONLY IN WALLS WHICH ARE PERPENDICULAR TO THE STREET CENTERLINE. 6. CURB INLETS WITH INSIDE PLAN DIMENSIONS EXCEEDING 25 SQUARE FEET SHALL HAVE TYPE CURB INLETS WITH INSIDE PLAN DIMENSIONS EXCEEDING 25 SQUARE FEET SHALL HAVE TYPE II RING AND COVER. CURB INLETS IN PAVED AREAS SHALL HAVE TYPE II RING AND COVER. 7. WHERE SIDEWALKS ADJOIN STORM SEWER STRUCTURES, #4 DOWELS SHALL BE PLACED 18" WHERE SIDEWALKS ADJOIN STORM SEWER STRUCTURES, #4 DOWELS SHALL BE PLACED 18" ON CENTER. DOWELS SHALL BE 18" LONG WITH 6" IN THE STRUCTURE TOP, THROUGH ISOLATION JOINT. 8. CURB INLET DIMENSIONS SHALL BE STATED AS 'LENGTH' x 'WIDTH' ON ALL CONSTRUCTION NOTES. CURB INLET DIMENSIONS SHALL BE STATED AS 'LENGTH' x 'WIDTH' ON ALL CONSTRUCTION NOTES. 9. THE MINIMUM LENGTH OF CURB INLET OPENING SHALL BE 5 FEET. THE MINIMUM LENGTH OF CURB INLET OPENING SHALL BE 5 FEET. 10. CURB INLET FRAME TOP CHANNEL SHALL BE FABRICATED FROM 0.15 MAX. CARBON, FORMING CURB INLET FRAME TOP CHANNEL SHALL BE FABRICATED FROM 0.15 MAX. CARBON, FORMING QUALITY, OR A36 HOT ROLLED STEEL PLATE. 11. ALL FLAT PLATE AND RODS SHALL BE M1020 MERCHANT QUALITY OR A36 HOT ROLLED STEEL. ALL FLAT PLATE AND RODS SHALL BE M1020 MERCHANT QUALITY OR A36 HOT ROLLED STEEL. 12. ALL CURB INLET FRAME MATERIALS SHALL BE FREE FROM RUST AND MILL SCALE. ALL CURB INLET FRAME MATERIALS SHALL BE FREE FROM RUST AND MILL SCALE. 13. ALL WELDING SHALL CONFORM TO THE PROVISIONS OF THE AWS "STRUCTURAL WELDING CODE." ALL WELDING SHALL CONFORM TO THE PROVISIONS OF THE AWS "STRUCTURAL WELDING CODE." 14. CURB INLET FRAMES SHALL BE HOT-DIP GALVANIZED AFTER FABRICATION PER ASTM A123. CURB INLET FRAMES SHALL BE HOT-DIP GALVANIZED AFTER FABRICATION PER ASTM A123. 15. CURB INLET FRAMES SHALL BE SLOPED TO MATCH THE STREET CENTERLINE GRADE. CURB INLET FRAMES SHALL BE SLOPED TO MATCH THE STREET CENTERLINE GRADE. 16. STAMPING TOOLS SHALL BE APPROVED PRIOR TO USE. A FULL SIZE FABRICATION STAMPING TOOLS SHALL BE APPROVED PRIOR TO USE. A FULL SIZE FABRICATION PATTERN MAY BE OBTAINED FROM THE PUBLIC WORKS DEPARTMENT. FOR CAST-IN-PLACE INLETS, A STAMPING TOOL MAY BE BORROWED FROM THE DEPARTMENT PER AN APPROVED SCHEDULE. 17. ALL DIMENSIONS AND SIDE SLOPES SHOWN WITHIN THE "TYPICAL TRENCH SECTION DETAILS" ALL DIMENSIONS AND SIDE SLOPES SHOWN WITHIN THE "TYPICAL TRENCH SECTION DETAILS" ARE TYPICAL. ANY DEVIATION FROM THESE DIMENSIONS MUST BE APPROVED BY THE PROJECT ENGINEER PRIOR TO BEGINNING THE TRENCHING WORK, OR AS SOON AS PRACTICABLE. 18. FLOWABLE FILL QUANTITY IS CALCULATED BASED ON A TYPICAL TRENCH SIDE SLOPE OF 1:1. FLOWABLE FILL QUANTITY IS CALCULATED BASED ON A TYPICAL TRENCH SIDE SLOPE OF 1:1. A SIDE SLOPE FLATTER THAN 1:1 (IF REQUIRED TO ENSURE STABILITY AND SAFETY OF THE TRENCHES) MUST BE APPROVED BY THE PROJECT ENGINEER IN THE FIELD PRIOR TO BEGINNING EXCAVATION FOR TRENCHES, OR AS SOON AS PRACTICABLE. THE INTENT IS TO KEEP THE FLOWABLE FILL QUANTITY TO A MINIMUM. 19. FLOWABLE FILL SHALL BE PLACED TO BOTTOM OF THE PAVEMENT, STABILIZED BASE, OR GRANULAR BASE FLOWABLE FILL SHALL BE PLACED TO BOTTOM OF THE PAVEMENT, STABILIZED BASE, OR GRANULAR BASE AS DIRECTED BY ENGINEER. 20. CONCRETE FOR INVERT AND COLLARS SHALL MEET CITY SPECIFICATIONS SECTION 2000 - CONCRETE
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FRONT VIEW
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SECTION A-A
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1 OF 2
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STANDARD END SECTION
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LJM
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03-17-15
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REPLACES ALL PREVIOUS VERSIONS OF STORM SEWER CURB INLET DETAILS
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LJM
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02-22-16
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REPLACES ALL PREVIOUS VERSIONS OF STORM SEWER CURB INLET DETAILS
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STORM SEWER CURB INLETS
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LJM
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03-21-17
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REPLACES ALL PREVIOUS VERSIONS OF STORM SEWER CURB INLET DETAILS
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BY
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DATE
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REVISION
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OF
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SHEET
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STANDARD DETAILS FOR
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2018 EDITION
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CITY ENGINEER
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DAVID P. CRONIN
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CITY MANAGER
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THOMAS M. MARKUS
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LJM
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12-19-17
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REPLACES ALL PREVIOUS VERSIONS OF STORM SEWER CURB INLET DETAILS
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LJM
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03-13-18
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REPLACES ALL PREVIOUS VERSIONS OF STORM SEWER CURB INLET DETAILS
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LJM
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04-04-18
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REPLACES ALL PREVIOUS VERSIONS OF STORM SEWER CURB INLET DETAILS
Page 2: 1/4 PL 3/16 1 1/4-5 3/16 1 1/4-5 3/16 1 1/4-5 3/16 1 1/4-5 ... · 03-21-17. replaces all previous versions of storm sewer curb inlet details. by. date. revision. of. sheet. standard

ENGINEERING DIVISION OF PUBLIC WORKSCITY OF LAWRENCE, KANSAS

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CENTERED ON INLET
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FACE OF STEEL INLET FRAME
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STAMPING TOOL TO FORM 2" HIGH LETTERS USING 1/4" DIA. ROUND STEEL ROD. STAMP CONCRETE 1/4" DEEP AFTER BROOM FINISHING.
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PLAN
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JUNCTION BOX STAMP
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STANDARD JUNCTION BOX
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TYPICAL SECTION A-A
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6" MINIMUM 3/4" CLEAN CRUSHED ROCK OVER COMPACTED SUBGRADE
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FLOW LINE PER PLAN
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#4 BARS @ 6" O.C.E.W.
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#4 STD HOOKS @ 12" ON CENTER ALL WALLS
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12" COMPACTED SUBGRADE
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#4 BARS @ 12" ON CENTER WITH #4 CORNER TIES
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* NOTE: NOTE: : THE END OF THE PIPE SHOULD EXTEND A MINIMUM OF 4", UP TO A MAXIMUM OF 6", BEYOND THE INTERIOR WALL FACE.
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*
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CONCRETE INVERT TO SPRING LINE OF PIPES
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#4 BARS @ 12" ON CENTER WITH #4 CORNER TIES
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MINIMUM
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PLASTIC ENCASED MANHOLE STEPS M.A. INDUSTRIES PS2-PF OR APPROVED EQUAL
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PRECAST STRUCTURES: CONTINUOUS PREFORMED FLEXIBLE BUTYL SEALANT
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ROUGH OPENING PIPE OUTSIDE RADIUS + 3"
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TYPE II RING AND COVER CLAY AND BAILEY 2007 OR APPROVED EQUAL
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TYPE I RING AND COVER CLAY AND BAILEY 2002 OR APPROVED EQUAL
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#5 BARS @ 6" O.C.E.W. LONGER BARS ON TOP
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CAST-IN-PLACE STRUCTURES: #4 STD. HOOKS @ 12" ON CENTER
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4" MINIMUM
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TYPICAL TRENCH SECTIONS
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OUTSIDE PAVEMENT
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6" TOPSOIL
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FLOWABLE MORTAR
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1:1
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1:1
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1:1
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1:1
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SUITABLE MATERIAL PLACED AND COMPACTED AS SPECIFIED.
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CONCRETE OR ASPHALT PAVEMENT
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UNDER AND WITHIN 2' OF STREET AND SIDEWALK PAVING
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1'-8" MINIMUM
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FLOW
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FLOW
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A
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A
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1"x1"x18" RECESSED LIFTING SLOTS (TYP.)
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W BARS
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#5 DIAGONALS
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L BARS
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PLAN
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JUNCTION BOX GENERAL NOTES 1. STANDARD DRAWINGS SHALL APPLY ONLY TO STRUCTURES WITHIN THE FOLLOWING LIMITS: STANDARD DRAWINGS SHALL APPLY ONLY TO STRUCTURES WITHIN THE FOLLOWING LIMITS: A. INSIDE PLAN DIMENSIONS SHALL NOT EXCEED 40 SQUARE FEET. B. WALL HEIGHT SHALL NOT EXCEED 10 VERTICAL FEET. 2. THE MINIMUM WIDTH OF ALL STRUCTURES SHALL BE 4 FEET OR AS REQUIRED FOR PIPE CLEARANCE. THE MINIMUM WIDTH OF ALL STRUCTURES SHALL BE 4 FEET OR AS REQUIRED FOR PIPE CLEARANCE. 3. STEPS ARE REQUIRED IN ALL STRUCTURES WITH WALL HEIGHT GREATER THAN 4 FEET. STEPS ARE REQUIRED IN ALL STRUCTURES WITH WALL HEIGHT GREATER THAN 4 FEET. 4. FRAMES, LIDS, CASTINGS, STEPS, INVERT, SUBSURFACE DRAINS, PIPE CONNECTIONS AND OTHER FRAMES, LIDS, CASTINGS, STEPS, INVERT, SUBSURFACE DRAINS, PIPE CONNECTIONS AND OTHER ITEMS SHOWN SHALL BE CONSIDERED SUBSIDIARY TO EACH STANDARD STRUCTURE. 5. SUBSURFACE DRAINS ARE REQUIRED IN ALL STRUCTURES IN THE PUBLIC RIGHT-OF-WAY WITH SUBSURFACE DRAINS ARE REQUIRED IN ALL STRUCTURES IN THE PUBLIC RIGHT-OF-WAY WITH WALL HEIGHT GREATER THAN 3 FEET. ONE DRAIN PER WALL SHALL BE INSTALLED ONLY IN WALLS WHICH ARE PERPENDICULAR TO THE STREET CENTERLINE. 6. JUNCTION BOXES WITH INSIDE PLAN DIMENSIONS EXCEEDING 25 SQUARE FEET SHALL HAVE TYPE JUNCTION BOXES WITH INSIDE PLAN DIMENSIONS EXCEEDING 25 SQUARE FEET SHALL HAVE TYPE II RING AND COVER. JUNCTION BOXES IN PAVED AREAS SHALL HAVE TYPE II RING AND COVER. 7. NO JUNCTION BOX TO BE LOCATED IN PAVEMENT WITHOUT APPROVAL OF THE CITY ENGINEER. NO JUNCTION BOX TO BE LOCATED IN PAVEMENT WITHOUT APPROVAL OF THE CITY ENGINEER. 8. ALL FLAT PLATE AND RODS SHALL BE M1020 MERCHANT QUALITY OR A36 HOT ROLLED STEEL. ALL FLAT PLATE AND RODS SHALL BE M1020 MERCHANT QUALITY OR A36 HOT ROLLED STEEL. 9. ALL WELDING SHALL CONFORM TO THE PROVISIONS OF THE AWS "STRUCTURAL WELDING CODE." ALL WELDING SHALL CONFORM TO THE PROVISIONS OF THE AWS "STRUCTURAL WELDING CODE." 10. STAMPING TOOLS SHALL BE APPROVED PRIOR TO USE. A FULL SIZE FABRICATION STAMPING TOOLS SHALL BE APPROVED PRIOR TO USE. A FULL SIZE FABRICATION PATTERN MAY BE OBTAINED FROM THE PUBLIC WORKS DEPARTMENT. FOR CAST-IN-PLACE INLETS, A STAMPING TOOL MAY BE BORROWED FROM THE DEPARTMENT PER AN APPROVED SCHEDULE. 11. ALL DIMENSIONS AND SIDE SLOPES SHOWN WITHIN THE "TYPICAL TRENCH SECTION DETAILS" ALL DIMENSIONS AND SIDE SLOPES SHOWN WITHIN THE "TYPICAL TRENCH SECTION DETAILS" ARE TYPICAL. ANY DEVIATION FROM THESE DIMENSIONS MUST BE APPROVED BY THE PROJECT ENGINEER PRIOR TO BEGINNING THE TRENCHING WORK, OR AS SOON AS PRACTICABLE. 12. FLOWABLE FILL QUANTITY IS CALCULATED BASED ON A TYPICAL TRENCH SIDE SLOPE OF 1:1. FLOWABLE FILL QUANTITY IS CALCULATED BASED ON A TYPICAL TRENCH SIDE SLOPE OF 1:1. A SIDE SLOPE FLATTER THAN 1:1 (IF REQUIRED TO ENSURE STABILITY AND SAFETY OF THE TRENCHES) MUST BE APPROVED BY THE PROJECT ENGINEER IN THE FIELD PRIOR TO BEGINNING EXCAVATION FOR TRENCHES, OR AS SOON AS PRACTICABLE. THE INTENT IS TO KEEP THE FLOWABLE FILL QUANTITY TO A MINIMUM. 13. FLOWABLE FILL SHALL BE PLACED TO BOTTOM OF THE PAVEMENT, STABILIZED BASE, OR GRANULAR BASE FLOWABLE FILL SHALL BE PLACED TO BOTTOM OF THE PAVEMENT, STABILIZED BASE, OR GRANULAR BASE AS DIRECTED BY ENGINEER. 14. CONCRETE FOR INVERTS AND COLLARS SHALL MEET CITY SPECIFICATIONS SECTION 2000 - CONCRETE
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2 OF 2
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A
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LJM
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03-17-15
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REPLACES ALL PREVIOUS VERSIONS OF STORM SEWER JUNCTION BOX DETAILS
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LJM
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02-22-16
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REPLACES ALL PREVIOUS VERSIONS OF STORM SEWER JUNCTION BOX DETAILS
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STORM SEWER JUNCTION BOXES
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03-21-17
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LJM
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REPLACES ALL PREVIOUS VERSIONS OF STORM SEWER JUNCTION BOX DETAILS
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BY
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DATE
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REVISION
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OF
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SHEET
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STANDARD DETAILS FOR
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2018 EDITION
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CITY ENGINEER
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DAVID P. CRONIN
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CITY MANAGER
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THOMAS M. MARKUS
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LJM
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12-19-17
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REPLACES ALL PREVIOUS VERSIONS OF STORM SEWER JUNCTION BOX DETAILS
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LJM
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03-13-18
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REPLACES ALL PREVIOUS VERSIONS OF STORM SEWER JUNCTION BOX DETAILS
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LJM
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04-04-18
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REPLACES ALL PREVIOUS VERSIONS OF STORM SEWER JUNCTION BOX DETAILS