HomeMy WebLinkAboutEngineered Plan - 2009ACCESS COVERS MUST BE WITHIN INSPECTION 9' MINIMUM,
6. OF FINISH GRADEPORT 3' MAXIMUM COVER I N VER T E E VA T1 ONS : DES I GN CR I TER IA: GENERAL NOTES
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FIRST 2' TO INVERT OUT SEPTIC TANK: 97.65 DESIGN FLOW j
BE LEVEL MIN 2' OF PEASTONE INVERT /N DIST, BOX: 97,67 3 BEDROOMS AT 1/0 G.P.D. PER I. THIS PLAN IS FOR THE DESIGN AND CONSTRUCTION
OR F I L TER FABRIC INVERT OUT DIST. BOX: 97.5 BEDROOM EQUALS 330 G.P.D. OF THE SEWAGE DISPOSAL SYSTEM ONLY.
4" DrAM PIPE 14'27' 3/4' - 1 I/2 DIA. INVERT IN LEACH CHAMBER: 97,23
1.2 197 07 l0- �' DOUBLE WASHED STONE Bp'TpM OF LEACH CHAMBER: 96.4 NO GARBAGE GRINDER 2. VERTICAL DATUM IS'ASSUMED, FOR BENCH MARKS
v GAF / J °a 96.4 ADJUSTED GROUND WATER: N/A SET, SEE $I TE PLAN.
BAFFLE -1 SEPTIC TANK.REOUIRED:
3 OUTLET S HIGH CAPACITY INFILTRATOR OBSERVED GROUND WATER: N/A
EXISTING CHAMBERS W/3.5'f STONE AROUND 330 G.P.D. X 200% - 660 GAL. 3, ALL CONSTRUCTION METHODS AND MATERIALS AND
D -BOX BOTTOM OF TEST HOLE fl: 90.3
1000 GAL !0'r x 38'1 x l0'd SEPTIC TANK PROVIDED: 1000 GAL. EXISTING MAINTENANCE OF THE SEPTIC SYSTEM SHALL
,
SEPTIC .TANK 6- CRUSHED STONE OR _
CONFORM TO MASS. D.E.P. TITLE 5 AND LOCAL
COMPACTED BASE SOIL ABSORPTION SYSTEM REQUIRED: BOARD OF HEALTH REGULATIONS.
DESIGN PERC RATE ( 5 MIN/ 1 NCH
PROF I L E: NOT TO SCALE SOIL TEXTURAL CLASS - 1 4. ALL SEPTIC SYSTEM COMPONENTS L OCA TED UNDER
EFFLUENT LOADING RATE - 0.74 GPD/SF AREAS SUBJECT TO VEHICULAR -TRAFFIC OR GREATER
330 GPD / 0.74 GPD/SF - 446 S.F. REOUIRED THAN 4' IN DEPTH SHALL BE CAPABLE OF WITH
STANDING H-20 WHEEL LOADS.
EW I PROVIDED: 5 HIGH CAPACITY INFILTRATOR
CHAMBERS W/3.5'* STONE AROUND. A-460 S.F. 5. ALL SEWER PIPE SHALL BE SCHEDULE 40 PVC.OR
460 S.F. x 0.74 - 340 GPD APPROVED EQUAL.
F 6. SEPTIC TANK AN DO
- X SHALL BE REINFORCED
Ew2+`oGF°�\TC SOIL TEST PIT DA TA® PRECAST CONCRETEORAPPROVED POLYETHYLENE.
INDICATES V INDICATES BOTH SHALL BE WATERTIGHT, D -BOX SHALL BE WATER
PERCOLATION OBSERVED TESTED FOR LEVEL WHEN THERE IS MORE •THAN ONE
Ew 31` TEST — GROUNDWATER OUTLET.
TP l 7. BEFORE CONSTRUCTION CALL "DIG -SAFE'.
HORIZON TEXTURE COLOR 1 -888 -DIG -SAFE AND THE LOCAL WATER DEPT,
/ 0' 101.3 FOR LOCATION OF UNDERGROUND UTILITIES,
FILL
8. EXISTING SAS TO BE PUMPED DRY, REMOVED WITHIN
� 5' OF NEW SAS AND: REPLACED. WITH CLEAN SAND.
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44' ........................................ 97.6
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5 HIGH CAPACITY \ ff olcq \
INFILTRATOR CHAMBERS /. `c DATE: MARCH 5, 2009
W/4STONE AROUND y� /`. ����y TEST BY: STEPHEN HAAS
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WITNESSED BY: AMY VONHONE w'` -�_ ,'�'. -. . �. ..� - -
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TOP OF qqr �, ,�. PERC RATE: C 2 MIN/INCHC.
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UNDERGROUND ELECTRIC - Y ca rmo u t h p o r t,
UNDERGR D ELE RC ` MA O 2 6 � 5
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PROPOSED CONTOUR.:
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S' A P JOB NO: ;; 09 — 009 FIELD , CFW/EEK CAL C: SAH/CFW CHECK . CFW : DRN. :SA
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