HomeMy WebLinkAbout400.6 DocuSign Envelope ID:345B681 D-914F-4F2D-AB59-7C192D3B78A3
EXISITNG PIPE ;tiF.�..:.� , • �;:�.:• •' ' 4r f
; • !':r'_�• >'� OPEN PIPE CHANNEL
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I a. ..I .S �•'' PRECAST SADDLE
r.y. •':• P `: D e . ••. •i•' : X MANHOLE SECTION
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ie"MIN. •' NEW PIPE
•
CAST-IN-PLACE CONCRETE BASE "P: .;'•�.� '•D . , '%;v.•• y' (4)-4"(W) X 8"(H) X 16"(L)
UNDER PRE-CAST SADDLE r.'x;::'. i • .': :•: SOLID CONCRETE BLOCKS
MANHOLE SECTION "' "•' ':' '
"p• (MINIMUM)
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TOP VIEW
- PRECAST SADDLE
DIAMETER VARIES
MANHOLE SECTION
BUILD THE CHANNEL FLUSH WITH
BOTTOM OF PIPE AND SHELF AT
•
REMOVE UPPER HALF OF THE SLOPE = }" PER FOOT OR 2%
EXISTING PIPE (PVC PIPE ONLY) (TYP.)
SHELF AND CHANNEL SHALL NEW PIPE
BE 3000 PSI CONCRETE
CAST-IN-PLACE CONCRETE
e. BASE POURED 4" ABOVE THE
18. e • _'_e C)
OLID CONCRETE )BLOCKS
1 w (MINIMUM 12" THICK)
••" 4"MIN.' • '
zz" _ s •.. .' i..l 7 t. .•. / •.. (4)-4"(W) X 8"(H) X 16"(L.
• '.;., � lar'MIN. a.".
SOLID CONCRETE BLOCKS
414. Oti. 7,/e..."1,/1 '/.O/L�/*0��.%11 (MINIMUM)
•
r•.• �t i•,'• r•.. tom•.. i•.•. 1 i4. ♦••� 4.','•. 24 1 i•.#.
CAST-IN-PLACE CONCRETE N-COMPACTED SUBGRADE WITH 6"
BASE POURED 4" UNDER CRUSHED ROCK OR ADDITIONAL
SEWER MAIN AT A MINIMUM OF FOUNDATION ROCK TO SUPPORT
10" THICK STRUCTURE.
NOTES:
1. EXISTING PIPE SHALL BE SUPPORTED AT ALL TIMES.
2. NO WEIGHT OF THE PRECAST MANHOLE UNIT SHALL BEAR ON THE EXISTING PIPE.
3. CAST-IN-PLACE BASE SHALL BE 3000 PSI COMMERCIAL CONCRETE.
4. PRECAST MANHOLE SECTIONS SHALL BE INSTALLED IN ACCORDANCE WITH THE STANDARD PLAN FOR THE SPECIFIED MANHOLE
SIZE AND TYPE.
5. PRECAST MANHOLE SECTIONS SHALL HAVE THE INTERIOR SURFACES FACTORY-COATED (SEALED) WITH A HIGH SOLIDS URETHANE
COATING; WASSER MC-SHIELDCOAT 100 OR APPROVED EQUAL; COLOR SHALL BE WHITE.
6. THE PRECAST MANHOLE SECTION SHALL SIT ON (4)-4"(W) X 8"(H) X 16"(L) SOLID CONCRETE BLOCKS PLACED ON COMPACTED
SUB-GRADE.
7. THE UPPER HALF OF THE EXISTING PIPE (PVC PIPE ONLY) SHALL BE REMOVED WHILE THE BOTTOM SHALL REMAIN AS THE
CHANNEL OF THE NEW MANHOLE.
8. THE CAST-IN-PLACE MANHOLE SHALL NOT BE INSTALLED OVER A BELL SECTION OR JOINT OF THE SEWER MAIN. THE MINIMUM
• DISTANCE FROM THE OUTSIDE WALL OF THE MANHOLE AND A BELL SECTION OR JOINT SHALL BE 2'.
oT Y 0, STD.PLAN-400.6
PUBLIC WORKS SADDLE MANHOLE �R85�'D``9"e�""
+
DEPARTMENT WITH CAST-IN-PLACE BASE Martin Pastud@ 6/2020 1 12:5
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