SDD 8d17 Manholes, Manhole and Inlet Covers INLET COVERS MANHOLE COVER MANHOLE
26 " CASTING ID 24" 7" NUMBER 21 " 3" TABLE OF OPENING DIMENSIONS 1" 24 " 1" 1" PIPE SEWER 2" 4 " 6" " COVER 2" 4 " 1" 1" 3 " 4 " TYPE DESCRIPTION OPENING 'E' 'F' 2" 2" 6" 1" 1 " " 2 " "Q" ROUND 2'-2" DIA. " 1" 13" 22 " E E 8" "W" CURB BOX 1'-8" X 2'-6" 1" 1 " 1" 5" 7 " "X" INLET 1'-10" X 2'-6" 22" 3 " 1 " 2" 22 " "R" CURB BOX 2'-0" X 2'-1" 4" 25" 2" ' 'A . " " IA 25 " MANHOLE STEPS D 5" 2" 4" 32" 2" SECTION C-C 19 " D 31" IR E O F C T F IO GENERAL NOTES L O 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) STRUCTURE FOOTINGS ARE TO BE GRADE A CONCRETE OF THE THICKNESS TYPE "C" PERMAGRIP 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. MANHOLE COVER OR BRICK OR GRATE...... 145 LBS. 'E' CHIMNEY BLOCK " GUTTER ELEVATION PRECAST CONCRETE FLAT SLAB TOPS MAY BE USED ON THE STRUCTURES. B SEWER 'F' OPENING " CEMENT THE TOPS SHALL BE INSTALLED ON A BED OF MORTAR. 24" NOTE: 7" " 25 " " 2 " LETTERS MORTAR ON CURB PLUG USED IN PLACE RAISED " HIGH BLOCK OR PRECAST REINFORCED BASES SHALL BE PLACED ON A BED OF MATERIAL AT 6 " 6 " " 8" BRICK OF CURB BOX IN ABSENCE 12" LEAST 6" IN DEPTH, WHICH MEETS THE REQUIREMENTS FOR GRANULAR BACK- 6 " " MAX. MIN. 1" OF CONC. CURB. FILL TO (8) 1" DIA. VENT HOLE FILL. THIS BEDDING SHALL BE COMPACTED AND PROVIDE UNIFORM SUPPORT 1" TOP WITH CONCRETE. " FOR THE ENTIRE AREA OF THE BASE. 1 " 1 " 7" 2 " (2) 1" OPEN PICK HOLE VARIABLE SET FRAME ELEVATION 0.03 FT. LOWER THAN ELEVATION INDICATED " 13" TO 16" " " " 24" ON THE PLANS. 1 " " 25" 'B' " 6" 26 " 'A' THE CONTRACTOR MAY FORM AND POUR MONOLITHIC CONCRETE INVERT PRO- 1