STANDARD DETAILS 400 STORM DRAINAGE 410 ...... Yard Drain 459 ...... Reserved 411 ...... Reserved 460 ...... Swale Biofiltration Typical Section 412 ...... Catch Basin Type 1 461 ...... Pipe Outfall Quarry Spalls 413 ...... Catch Basin Type 1L 462 ...... Pipe Outfall Gabion Type 414 ...... Catch Basin Type 2 463 ...... Pipe Outfall Mortared Quarry Spall Mat 415 ...... Drop Inlet Type 1 464 ...... French Drain Under Road 416 ...... Drop Inlet Type 2 465 ...... Pipe and Section Trash Rack 417 ...... Reserved 466 ...... Cone Trash Rack 418 ...... Reserved 467 ...... Pipe Anchors 419 ...... Reserved 468 ...... Flow Splitter Type A 420 ...... Catch Basin Installation 469 ...... Flow Splitter Type B 421 ...... Thru-Curb Inlet Frame and Grate with Vertical 470 ...... Paved Areas and Area within the Right-of-Way Curb Installation 471 ...... Unpaved Areas Outside of the Right-of-Way 422 ...... Frame and Grate (20”X24”) 472 ...... Reserved 422A .... Frame and Grate (18”X24”) 473 ...... Reserved 423 ...... Solid Cover Rectangle 474 ...... Reserved 424 ...... Vaned-Grate Rectangle 475 ...... Reserved 425 ...... Open Curb Face Frame and Grate Detail 476 ...... Reserved 426 ...... Storm Drain Locking Manhole Frame and 477 ...... Reserved Cover 478 ...... Reserved 427 ...... Frame and Cover Adjustment 479 ...... Reserved 428 ...... Reserved 480 ...... Steep Slope Sign Installation 429 ...... Reserved 481 ...... Wetland Sign Installation 430 ...... Floatable Material Separator 6” or 8” Pipe 482 ...... Stream Sign Installation 431 ...... Floatable Material Separator 12” and Larger 483 ...... Reserved 432 ...... Reserved 484 ...... Reserved 433 ...... Reserved 485 ...... Reserved 434 ...... Reserved 486 ...... Reserved 435 ...... Oil Water Separator API Vault 487 ...... Reserved 436 ...... Oil Water Separator Coalescing Plate-Sample 488 ...... Reserved 437 ...... Oil Water Separator 489 ...... Reserved 438 ...... Reserved 490 ...... Reserved 439 ...... Control Structure 54” Diameter 491 ...... Reserved 440 ...... Control Structure 72” Dia. or Larger 492 ...... Reserved 441 ...... Restrictor Riser 493 ...... Reserved 442 ...... Reserved 494 ...... Reserved 443 ...... Secondary Orifice Detail 495 ...... Outfall to Ditch Layout Small Projects 444 ...... Shear Gate 496 ...... Outfall to Ditch Detail Small Projects 445 ...... Detention Pond with Biofiltration Swale 497 ...... Footing Drain 446 ...... Reserved 498 ...... Storm Pipe Cleanout 447 ...... Reserved 499 ...... Reserved 448 ...... Reserved T400..... Model Site Plan 3 Acres and Smaller 449 ...... Reserved T401..... Sediment Trap Earth Berm 450 ...... Reserved T402..... Riser Piping Element 451 ...... Reserved T403..... Sediment Pond with Riser Element 452 ...... Reserved T404..... Stabilized Construction Entrance 453 ...... Reserved T405..... Interceptor Ditch with Rock Check Dams 454 ...... Reserved T406..... Pipe Slope Drain 455 ...... Reserved T407..... Reserved 456 ...... Detention Pond Typical Sections T408..... Storm Inlet Protection 457 ...... Reserved T409..... Silt Fence 458 ...... Reserved 8 6" SD 7 10' PRIVATE 10' SD STUB (TYP.) SD EASEMENT EASEMENT LINE 10' PRIVATE SD EASEMENT SIDEWALK AND CURB STREET CATCH BASIN YARD DRAIN W/SOLID COVER YARD DRAIN (TYP.) STUB OUT FOR ROOF AND FOOTING DRAIN CONNECTIONS (TYP.) R.O.W. LOT LINE (TYP.) NOTE: SPECIAL CAST YARD DRAIN MAY BE REQUIRED FOR MULTIPLE PIPE CONNECTIONS. DETAIL NOTES: 4 1 YARD DRAINS TO BE CONSTRUCTED FROM CONCRETE PIPE, IN ACCORDANCE WITH ASTM C 14 UNLESS OTHERWISE SHOWN ON THE PLANS OR NOTED IN THE SPECIFICATIONS. 2 CUTOUT HOLE SIZE EQUAL TO OUTLET PIPE OUTSIDE DIAMETER PLUS YARD DRAIN WALL THICKNESS. 3 CONNECTION TO OUTLET PIPE TO BE MORTARED AND MADE FLUSH WITH INSIDE OF THE YARD DRAIN WALL. 3 2 4 CAST IRON BELL GRATE. FITS INTO BELL RECESS AND EXTENDS FLUSH WITH FACE OF BELL. THE GRATE SHALL HAVE SLOTS (HOLES) THAT CONSITUTE 1 50 PERCENT OPEN AREA FOR DRAINAGE. INLET BELL SURFACE SHALL BE FINISHED TO ASSURE NON- ROCKING FIT WITH ANY COVER. 6 5 CONCRETE 4 IN. MIN. 6 12" OR 18". 5 7 CONNECT TO CITY OWNED MAINTAINED SD SYSTEM IN THE STREET. 8 UP TO 5 CONNECTIONS PER SERVICE LINE. Standard City of Bothell Detail Approved By: YARD DRAIN 410 PUBLIC WORKS DEPARTMENT City Engineer Revision Date Feb, 2012 FRAME AND GRATE, PER STD DETAILS, 422 OR 425 OR FRAME W/SOLID COVER. NOTES: 1. AS AN ACCEPTABLE ALTERNATE TO REBAR, WIRE MESH HAVING A MINIMUM AREA OF 0.12 SQUARE INCHES PER FOOT MAY BE USED. WIRE MESH SHALL NOT BE PLACED IN KNOCKOUTS. 2. THE KNOCKOUT DIAMETER SHALL NOT BE GREATER THAN 20". KNOCKOUTS SHALL HAVE A WALL THICKNESS OF 2" MINIMUM TO 2 1/2" MAXIMUM. 3. THE MAXIMUM DEPTH FROM THE FINISHED GRADE TO THE PIPE INVERT SHALL BE 5'. 4. FRAME AND GRATE MAY BE INSTALLED WITH FLANGE DOWN OR CAST INTO ADJUSTMENT SECTION. 5. THE PRECAST BASE SECTION MAY HAVE A ROUNDED FLOOR AND THE WALLS MAY BE SLOPED AT A RATE OF 1:24 OR STEEPER. 6. OPENING SHALL BE MEASURED AT THE TOP OF THE PRECAST BASE UNIT. SEE NOTE #7 7. THE 6" ADJUSTMENT SECTION SHALL HAVE ONE #3 BAR CENTERED. THE 12" ADJUSTMENT SECTION SHALL HAVE TWO #3 BARS EQUALY SPACED. RECTANGULAR ADJUSTMENT SECTION 8. GROUT ALL JOINTS INSIDE AND OUTSIDE. #3 BAR EACH CORNER #3 BAR EACH SIDE #3 BAR EACH WAY PRECAST BASE SECTION CATCH BASIN AND ALL REINFORCING STEEL TO CONFORM TO WSDOT STANDARD PLAN B-5.20-01 Standard City of Bothell Detail Approved By: CATCH BASIN 412 PUBLIC WORKS DEPARTMENT TYPE 1 City Engineer Revision Date Feb, 2012 FRAME AND GRATE, OR FRAME & SOLID COVER. NOTES: 1. AS AN ACCEPTABLE ALTERNATE TO REBAR, WIRE MESH HAVING A MINIMUM AREA OF 0.12 SQUARE INCHES PER FOOT MAY BE USED. WIRE MESH SHALL NOT BE PLACED IN KNOCKOUTS. 2. THE KNOCKOUT DIAMETER SHALL NOT BE GREATER THAN 20". KNOCKOUTS SHALL HAVE A WALL THICKNESS OF 2" MINIMUM TO 2 1/2" MAXIMUM. 3. THE MAXIMUM DEPTH FROM THE FINISHED GRADE TO THE PIPE INVERT SHALL BE 5'. 4. FRAME AND GRATE MAY BE INSTALLED WITH FLANGE DOWN OR CAST INTO ADJUSTMENT ONE #3 BAR SECTION. HOOP FOR 6" 6" OR 12" TWO #3 BAR 5. THE PRECAST BASE SECTION MAY HAVE HOOPS FOR 12" A ROUNDED FLOOR AND THE WALLS MAY BE SLOPED AT A RATE OF 1:24 OR STEEPER. RECTANGULAR ADJUSTMENT SECTION 6. OPENING SHALL BE MEASURED AT THE TOP OF THE PRECAST BASE UNIT. 7. THE 6" ADJUSTMENT SECTION SHALL HAVE ONE #3 BAR CENTERED. THE 12" ADJUSTMENT SECTION SHALL HAVE TWO #3 BAR EQUALY SPACED. 8. GROUT ALL JOINTS INSIDE AND OUTSIDE. REDUCING SECTION TW0 #3 BAR HOOPS #3 BAR EACH CORNER #3 BAR EACH SIDE #3 BAR EACH WAY CATCH BASIN AND ALL REINFORCING STEEL PRECAST BASE SECTION TO CONFORM TO WSDOT STANDARD PLAN B-5.40-01 Standard City of Bothell Detail Approved By: CATCH BASIN 413 PUBLIC WORKS DEPARTMENT TYPE 1L City Engineer Revision Date Feb, 2012 CATCH BASIN FRAME AND GRATE OR MANHOLE RING AND COVER RECTANGULAR ADJUSTMENT SECTION OR CIRCULAR ADJUSTMENT SECTION 16" MAX 4" MIN FLAT SLAB TOP 48", 54", 60", 72", OR 96" MORTAR (TYP) STEPS SEE STD DETAIL 643 12" (TYP) 1" MIN 2 1/2" MAX 12" MAX MORTAR REINFORCING FILLET STEEL 12" 6" 6" NOTES: SEPARATE CAST IN PRECAST BASE WITH 1. NO STEPS ARE REQUIRED PLACE BASE INTEGRAL RISER WHEN HEIGHT IS 4' OR LESS. 2. THE BOTTOM OF THE PRECAST CATCH BASIN MAY GRAVEL BACKFILL FOR BE ROUNDED. PIPE ZONE BEDDING "0" RING 3. FRAME AND GRATE MAY 6" BE INSTALLED WITH FLANGE 12" DOWN OR CAST INTO ADJUSTMENT SECTION. SEPARATE PRECAST BASE 4. KNOCKOUTS SHALL HAVE A WALL THICKNESS OF 2" MINIMUM TO 2 1/2" MAXIMUM. CATCH BASIN DIMENSION TABLE 5. GROUT ALL JOINTS INSIDE AND OUTSIDE. MINIMUM BASE REINFORCING STEEL BASE 2 WALL BASE DISTANCE IN /FT IN EACH DIRECTION DIA THICKNESS BETWEEN THICKNESS THICKNESS SIZE KNOCKOUTS INTEGRAL BASE SEPARATE BASE 48" 4" 6" 36" 8" 0.15 0.23 54" 4 1/2" 8" 42" 8" 0.19 0.19 60" 5" 8" 48" 8" 0.25 0.25 72" 6" 8" 60" 12" 0.24 0.35 96" 8" 12" 84" 12" 0.29 0.39 Standard City of Bothell Detail Approved By: CATCH BASIN 414 PUBLIC WORKS DEPARTMENT TYPE 2 City Engineer Revision Date Feb, 2012 82" 36" 6" 12" 12" 6" 4" 4" C L 4" x 3" x 1/2" L Ditch A A 1 1/2" x 2'-11 1/4" ELEVATION GRATE SUPPORT-TWO REQ'D. PER GRATE 1/4" 12" 1/4" (TYP) PLAN VIEW 3" 40" (NOM) PLAN VIEW 6" (MIN) 2" TYP 1" END VIEW 39" SECTION B-B SECTION A-A 2' MIN. 1' MIN. MATERIAL SPECIFICATIONS 10 DITCH 1 LANE PRECAST CONCRETE CLASS B CAST-IN-PLACE CONCRETE CLASS C GRATE SUPPORT STEEL ASTM A36 DIKE INSTALLATION NOTES: FOR PREFERRED SLOPE 1. ANGLES SHALL BE SET SO THAT EA. BEARING BAR ON THE 8. AMOUNT, TYPE AND GRADE OF REINFORCING STEEL IS THE GRATE SHALL HAVE FULL SEATING AT BOTH ENDS. THE RESPONSIBILITY OF THE MANUFACTURER. FINISHED TOP OF CONC. SHALL BE EVEN W/ GRATE SURFACE. THE MANUFACTURER IS RESPONSIBLE FOR THE STRUCTURE UNTIL FINAL ACCEPTANCE IN PLACE WITH ALL REQUIRED 2. TOP OF INLET SHALL BE PLACED AT GROUND LEVEL TO KNOCKOUTS REMOVED. FINAL BRIDGE CONSTRUCTION IN PRESENT AN UNOBSTRUCTED DITCH OR MEDIAN SECTION. ADDITION, STRUCTURES MAY BE REJECTED BECAUSE OF 3. BEVEL OR ROUND EXPOSED CONCRETE EDGES 1/2". ANY OF THE FOLLOWING: A) FRACTURES OR CRACKS THAT EXTEND THROUGH THE 4. PIPE MAY ENTER THROUGH THE KNOCKOUTS AT ANY ENTIRE WALL FROM ANY OUTSIDE SURFACE TO THE REASONABLE ANGLE PROVIDED THE OUTSIDE OF THE PIPE KNOCKOUT OPENING. CAN BE CONTAINED WITHIN THE KNOCKOUT PROVIDED. B) ANY CONTINUOUS CRACK HAVING A SURFACE WIDTH 5. THE GRADE LINE OF THE LOWEST INLET PIPE SHALL ENTER OF 0.01" OR MORE AND EXTENDING A LENGTH OF THE STRUCTURE AT AN ELEV. EQUAL TO OR HIGHER THAN 12" OR MORE. THE GRADE LINE OF THE OUTLET PIPE. 9. GRATE SUPPORTS SHALL BE GALVANIZED AFTER FABRI- 6.