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a <br />MANHOLE RING & COVER TO BE <br />DEETER NO. 1030 OR EQUAL, WITH <br />MACHINED EDGES & MINIMUM WEIGHT <br />r- x <br />I Q <br />z S MAN <br />O / <br />m <br />D <br />z <br />m <br />"too, <br />ml <br />3" <br />20000;051 <br />SEE STANDARD PLAN NO. 130 -A <br />FOR DETAIL OF RING & COVER & <br />PLAN VIEW <br />USE ADJUSTING RINGS OR <br />2 <br />TO 5 CENTERS OF BRICK <br />IN <br />ADJUSTING RING TO GRADE <br />MANHOLE NOTES <br />I. <br />ALL MANHOLES RINGS TO BE SET IN MORTAR <br />2. <br />INSIDE DIAMETER OF MANHOLES TO BE 4' -0' FOR PIPE <br />2' -0" <br />THROUGH 24', 5' -0' FOR PIPE 27' THROUGH 38', k 6' -0' <br />6" <br />FOR PIPE 42' THROUGH 48' IN SIZE. <br />3. <br />12' MINIMUM THICKNESS ADJUSTING RINGS UNDER MANHOLE <br />RING IS <br />EELS H� IS LOCATED IN ROADWAYS, <br />AREAS. SI <br />4. <br />PRECAST MANHOLE CIRCULAR SECTIONS TO BE PER A.S.T.M. <br />C- 478 -68• <br />::. 5. <br />MANHOLE STEPS IN PRECAST MANHOLES TO BE GROUTED <br />MATH EXPANDING GROUT. <br />6. <br />MANHOLE INVERTS SHALL BE POURED CONCRETE • <br />USE DEFTER NO. 7. <br />EXCEPT FOR DROP ASSEMBLY, THE CONSTRUCTION OF DROP <br />MANHOLES INCLUDING MATERIALS SHALL BE SIMILAR TO <br />1603 IRON STEPS <br />THAT FOR A STANDARD MANHOLE <br />OR EQUAL : ': JIM= <br />10 <br />I Q <br />w <br />CL <br />a >- z <br />oQQ <br />z V) <br />0ww <br />w <br />x U � <br />z <br />O <br />J V) X <br />Li Q Q- <br />.. . ...... ....... <br />Slf <br />6 <br />TT <br />I :::::. :::::::NOTO SCALE <br />::::T:::: :::::: <br />"T "= 6" FOR 4' DIAMETER MANHOLE <br />"T "= 8" FOR 5" DIAMETER MANHOLE <br />CITY OF GRAND ISLAND NEBR, <br />ENGINEERING DEPARTMENT <br />Im <br />w <br />J <br />m <br />Q <br />w <br />w <br />N <br />II <br />* ALL CONCRETE TO <br />- CONFORM TO DIVISION <br />_ II CONCRETE PAVING <br />SPECIFICATIONS. <br />STRAP DROP STRUCTURE <br />TO MANHOLE WALL AT <br />3' -0" INTERVALS <br />WITH STAINLESS STEEL <br />ANCHORS a STRAPS. <br />1. D. <br />I.D. <br />"A" <br />INCOMING <br />DROP <br />PIPE <br />PIPE <br />MINIMUM <br />4" <br />4" <br />2' -0" <br />6" <br />6" <br />2' -0" <br />NOTE: <br />DROP PIPE ANY LARGER <br />THAN 6" CAN ONLY BE <br />INSTALLED IN A MANHOLE <br />WITH PERMISSION OF THE <br />PUBLIC WORKS DEPT. <br />MANHOLE SIZE MAY VARY. <br />DATE-4 -23 -91 INSIDE DROP MANHOLE PLAN <br />DRN, BY. P.S. PRIVATE SERVICE LINES 129 -A <br />