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R E V I S I O N S D A TE DESCRIPTION V BY • A P P R O V E D /$/$/sc* f f d f U '/ A//a/, [) ? /zrJ — ? --"? ? ? f c — ? \ t ? 10(7$ / £ * ~ ' 7 T - -i— 3 “ * t jr X r L t L A P P R O V A L S O FFIC E EN G IN EER FIELD EN G IN EER CITY EN G IN EER I) C2 {i. I u v WHEN MANHOLE IS IN PAVED STREET,RAISE MANHOLE FRAME TO PAVEMENT GRADE AND EXTEND PAVING TO FRAME. /PAVEMENT GRADE / STANDARD MANHOLE COVER AND / f FRAME. SEE STANDARD DRAWINGS s-uo a s-in. PAVEMENT 5 — *? REINFORCED WITH 1/4” ROUND STEEL WOUND SPIRALLY ON CENTERS. % A i 1 • F = - V V z f 0 « A — 5 £ > • P "cm • V •0 0 = ., . . - J •* ^ 2 - 0 0 B 0* SET RING IN THICK BED OF NEAT CEMENT MORTAR. r t B 8II INVERT rt£) =0' MAX SLOPE OF REDUCER TO BE 4;9 CMl CM i ------MW 4*-00 r* n •i CO II &2 •c l a s s "a " CONCRETE t i CEMENT IN PLACE WITH NEAT CEMENT MORTAR. RISER PIPE Q— REDUCER CONE STEPS -SHAFT PIPE ALL JOINTS SHALL BEMADE WITH NEAT CEMENT MORTAR. s:"*> • ‘at' • L A 1 . 3> TYPE B = 3 " SECTION A - TYPE A = 5 " 6" MIN. GRAVEL BASE AFTER ERECTION, THE CONCRETE SURFACES SHALL BE DRY AND CLEAN AND GIVEN TWO COATS OF NO. 5 0 BITUMASTIC OR EQUAL. NO THINNER SHALL BE USED, THE FIRST COAT SHALL BE ALLOWED TO DRY 2 4 HOURS BEFORE APPLYING THE SECOND COAT. SECTION C-C -I L NOTE: CAST 5 /8 " ROUND GALVANIZED IRON STEPS IN WALL A MAXIMUM OF ii 15 APART. SEE DETAIL. 10” MIN. NOT TO SCALE STEP VITRIFIED CLAY PIPE MAY BE LAID THROUGH THE MANHOLE AND USED FOR THE INVERT. THE TOP OF THE PIPE SHALL BE BROKEN OUT TO A NEAT LINE AT TOP OF BASE. PLAN B-B INVERT SHALL BE TRUE TO GRADE AND ALIGNMENT AND FINISHED WITH A SMOOTH SURFACE. WHEN MANHOLE FORMS THE JUNCTION OF SEWERS A N D /O R AN ANGLE IN MAIN ALIGNMENT, SPECIAL CARE SHALL BE USED IN FORMING THE CHANNELS TO FACILI­TATE THE FLOW OF SEWAGE. SPECIFICATIO N R E F E R E N C E DRAW N BY J |V\uLLt^ C H E C K E D B Y ./Ci* FIELD B O O K S _______ CITY EN G R . CONCRETE SEC. 5 4 GALV. | MISC. METAL S EC: 2 7 SEC. 2 6 C I T Y O F L A S V E G A S E N G I N E E R I N G D E P T . STANDARD CONCRETE SEWER M ANHO LE^ TYPES ABB D A T E ... S C A L E D R A W I N G N O . S - I I 4 L I E T Z H I S T O P F L I G H T 2 8 0 1 1 -8 3 /