SDD 8d17 Manholes, Manhole and Inlet Covers INLET COVERS MANHOLE COVER MANHOLE 24" 26" CASTING ID 7" 24" NUMBER 21 " 3" TABLE OF OPENING DIMENSIONS 1" 1" 1" " PIPE SEWER 2" 4" 6" COVER 2" 4" 3" 4" 1" 1" TYPEDESCRIPTION OPENING 'E' 'F' 2" 2" 6" 1" 1 " " 2 " "Q" ROUND 2'-2" DIA. " 1" 13" 22 " E E 8" 7" "W" CURB BOX 1'-8" X 2'-6" 1" 1 " 1" 5" "X" INLET 1'-10" X 2'-6" 22" 3" 1 " 22 " 2" "R" CURB BOX 2'-0" X 2'-1" 4" 25" 2" ' " " 'A . IA 25" MANHOLE STEPS D 5" 2" 4" 32" 19" 2" SECTION C-C D 31" IRE OF CT F IO GENERAL NOTES LO N TYPE "R" W STRUCTURE WALL THICKNESS 'X' TO BE 8" BRICK, 6" CONCRETE BLOCK, SHOWING SPECIAL GRATE NO. 1 6" GRADE A CONCRETE OR 5" PRECAST REINFORCED CONCRETE. (TO BE NOTED AS R-1 IN DRAINAGE TABLE) TYPE "C" PERMAGRIP STRUCTURE FOOTINGS ARE TO BE GRADE A CONCRETE OF THE THICKNESS 21 " " FLUSH LETTERS SHOWN IN THE DETAIL OR 5" PRECAST REINFORCED CONCRETE. 1" A A SURFACE DESIGN 1" B HALF SECTION D-D REINFORCEMENT FOR 5" PRECAST REINFORCED CONCRETE SHALL BE 6" X 6" 1" 1" (APPROX. WEIGHT - 510 LBS.) W16 X W16 WELDED SREEL WIRE FABRIC AND SHALL BE EMBEDDED 2" CLEAR. NEENAH FOUNDRY CO. FACE OF CURB FRAME................... 245 LBS. C FACE OF CURB C (INLET COVER "W") " CURB.................... 120 LBS. (INLET COVER "R") PRECAST INLET UNITS AND BASES SHALL CONFORM TO THE PERTINENT " REQUIREMENTS OF AASHTO DESIGNATION M 199. 145 LBS. MANHOLE COVER OR 'E' BRICK OR " GRATE................... CHIMNEY BLOCK B GUTTER ELEVATION PRECAST CONCRETE FLAT SLAB TOPS MAY BE USED ON THE STRUCTURES. SEWER 'F' OPENING " CEMENT THE TOPS SHALL BE INSTALLED ON A BED OF MORTAR. 24" NOTE: 7" " 25 " " 2 " LETTERS MORTAR ON BLOCK OR 6" 6" CURB PLUG USED IN PLACE " RAISED " HIGH 8" PRECAST REINFORCED BASES SHALL BE PLACED ON A BED OF MATERIAL AT 6" OF CURB BOX IN ABSENCE " 12" BRICK LEAST 6" IN DEPTH, WHICH MEETS THE REQUIREMENTS FOR GRANULAR BACK- MAX. MIN. 1" OF CONC. CURB. FILL TO (8) 1" DIA. VENT HOLE FILL. THIS BEDDING SHALL BE COMPACTED AND PROVIDE UNIFORM SUPPORT 1" " 1" 1" TOP WITH CONCRETE. 7" 2" FOR THE ENTIRE AREA OF THE BASE. (2) 1" OPEN PICK HOLE VARIABLE SET FRAME ELEVATION 0.03 FT. LOWER THAN ELEVATION INDICATED " " 13" TO 16" " " 1 " 24" ON THE PLANS. " " 25" 'B' 6" 26 " 'A' THE CONTRACTOR MAY FORM AND POUR MONOLITHIC CONCRETE INVERT PRO- 1 16" 2 ' VIDED THE PIPE ENDS ARE EXTENDED INTO THE M.H. AND NOT TERMINATED SECTION A-A 'X GRATE FOR TYPE SECTION B-B " 23 " DEPTH AS SHOWN 'X' WITHIN THE M.H. WALLS. 22 " " ON PLANS "R" INLET COVER SPECIAL CURB PLUG "P" " MANHOLE STEPS 'A' DIA. (GRATE...................150 LBS.) R (CURB PLUG..............85 LBS.) A 9 STEPS MEETING THE FOLLOWING REQUIREMENTS SHALL BE INSTALLED IN ALL D (TO BE USED UNLESS OTHERWISE NOTED IN DRAINAGE TABLE) (TO BE NOTED AS R-P IN DRAINAGE TABLE) . STRUCTURES OVER 5 FEET IN DEPTH; 16 INCH C-C MAX. SPACING; PROJECT 6 A MINIMUM CLEAR DISTANCE OF 4 INCHES FROM THE WALL AT THE POINT OF 6 " 16" 'H' = 9" FOR 6" CURB ’G’ = 13 " FOR 6" CURB EMBEDMENT; MINIMUM WALL EMBEDMENT OF 3 INCHES IN PRECAST MANHOLE 'H' = 11" FOR 8" CURB ’G’ = 15 " FOR 8" CURB AND 6 INCHES IN 8 INCH BRICK OR 6 INCH BLOCK MANHOLE; TREAD OF STEP 20 " D CL D 2 7" 'C' SHALL HAVE A NON-SKID SURFACE AND BE FLANKED BY CLEATS, WITH A MIN- 1 " 26 " 2 4" 4" 31 " 37 " " IMUM OF 10 INCHES CLEAR BETWEEN CLEATS, TO PREVENT FOOT SLIPPING 21 " " SLOPE " OFF THE EDGE CLEATS SHALL BE A MINIMUM OF INCH HIGH BY INCH 29 " 2" PER FT. 2" 12" 'C' DIA. WIDE HAVING A MINIMUM THICKNESS OF INCH. STEPS SHALL BE CAPABLE 1" 1" R TYPE "Q" OF SUPPORTING A CONCENTRATED LOAD OF 300 LBS. FERROUS METAL STEPS 'H' GRADE A CONCRETE NOT PAINTED OR TREATED TO RESIST CORROSION SHALL HAVE A MINIMUM (APPROX. WEIGHT - 290 LBS.) OMIT CONCRETE BLOCKS AND 'G' FOOTING CROSS SECTIONAL DIMENSION OF 1 INCH. 10" 8 " FILL IN SPACE AROUND PIPE 3 " WITH BRICKWORK. 3" " 5 " SOLID ALUMINUM STEPS SHALL HAVE A MINIMUM CROSS SECTIONAL DIMENSION SECTION E-E OF 0.75 INCH. ALUMINUM SURFACES TO BE EMBEDDED IN CONCRETE SHALL BE 27" 3 " 6" GIVEN ONE COAT OF SUITABLE QUALITY PAINT, SUCH AS ZINC CHROMATE 30 " 19 " PRIMER CONFORMING TO FEDERAL SPECIFICATION TT-P-645 OR EQUIVALENT. STEPS OF APPROVED POLYPROPYLENE PLASTIC COATED REINFORCING BAR WILL 37" 31 " BE ACCEPTABLE. DEPTH AS SHOWN 'X' 'A' DIA. 'X' (APPROX. WEIGHT - 670 LBS.) ON PLANS FRAME................... 350 LBS. TABLE OF DIMENSIONS D 5" PRECAST REINF. CONC., D 45 MORTAR TYPE "W" CURB BOX............. 135 LBS. TYPE 'A' 'B' 'C' 12" CONC., 12" BRICK OR 12" CONCRETE BLOCK BEVEL GRATE................... 185 LBS. OVER 12' 11 3'-6" 2'-8" 12" - 36"* " CEMENT DEPTH ALTERNATE GRATE ** SLOPE " MORTAR ON 12 4'-0" 3'-8" 12" - 42" BLOCK OR 31 " 23 " (FOR EXPRESSWAY RAMPS) PER FT. 13 5'-0" 5'-8" 42" - 48" CL BRICK 29 " 21 " 'C' S TYPES "W" & "X" MANHOLES, 1" 5" 1 " 14 6'-0" 7'-8" 54" - 60" 2 6 . - D 2" 3 " 1" MANHOLE & INLET COVERS * 12" - 21" FOR PRECAST MANHOLES . 12" 'C' DIA. 17 D ** 12" - 24" FOR PRECAST MANHOLES 6" . STATE OF WISCONSIN D 8 THE FIRST STEP SHALL BE PLACED GRADE A CONCRETE 27" 19 " 16" ABOVE THE BENCH. FOOTING DEPARTMENT OF TRANSPORTATION 8 D 30 " 22 " SECTION E-E . 37" 28 " APPROVED D 17 TYPES 11, 12, 13 & 14 4/12/2011 /S/ Jerry H. Zogg . TYPE "X" DATE ROADSIDE STANDARDS DEVELOPMENT D - (APPROX. WEIGHT - 470 LBS.) ENGINEER . 6 FHWA S Version 6 Standard Detail Drawing 8D17 April 27, 2011 Manholes, Manhole and Inlet Covers References: FDM 13-25-30 Neenah Foundry Company Catalog “Construction Castings” Bid items associated with this drawing: ITEM NUMBER DESCRIPTION UNIT 611.0225 Manholes Type 11 ......................................................................................... EACH 611.0230 Manholes Type 12 ......................................................................................... EACH 611.0235 Manholes Type 13 ......................................................................................... EACH 611.0240 Manholes Type 14 ......................................................................................... EACH 611.0555 Manhole Covers Type Q ................................................................................ EACH 611.0657 Inlet Covers Type W ...................................................................................... EACH 611.0663 Inlet Covers Type X ....................................................................................... EACH 601.0648 Inlet Covers Type R ....................................................................................... EACH Standardized Special Provisions associated with this drawing: STSP NUMBER TITLE NONE Other SDDs associated with this drawing: NONE Design Notes: This SDD replaces SDD 8M3-5. It is for use in Milwaukee County only. This includes the City of Milwaukee and other communities in Milwaukee County. When special grate No. 1 is needed for Type R Inlet Covers, bid as Type R but show as R-1 in drainage table. Special curb plug “P” should be shown as R-P in drainage table, but is bid as Type R. Contact Person: Rodney Taylor (608) 261-8207 .