HomeMy WebLinkAboutEngineer PlanGENERAL NOTES: 0
A. CONTRACTOR SHALL NOTIFY "DIG -SAFE' AS REQUIRED PRIOR TO THE START OF ANY
EXCAVATION WORK. CONTRACTOR IS RESPONSIBLE FOR PROTECTING UTILITIES WITHIN THE WORK AREA P LA N
WORK AREA DURING CONSTRUCTION. PROPOSED PAVEMENT SAWCUT
(SEE NOTE #13)
B. CONTRACTOR TO VERIFY EXISTING CONDITIONS, INCLUDING ELEVATIONS OF EXISTING BUILDING SCALE: 1 " = 10' �p
SEWER, AND REPORT AND DISCREPANCIES TO THE DESIGN ENGINEER PRIOR TO THE SETTING �� s C�, 10
OF ANY SEWAGE DISPOSAL SYSTEM COMPONENTS. Existing Leaching Catch Zv ti
C. CONTRACTOR SHALL DETERMINE THE LOCATION OF EXISTING UNDERGROUND U11UTIES PRIOR TO / Ba'sin
EXCAVATION. "PROPOSED 19' X 16' X 0.5 `
f PRESSURE DOSE LEACHING FIEL)
D. ALL CONSTRUCTION SHALL CONFORM TO THE STATE SANITARY REGULATIONS (310 CMR 15.00) TO REPLACE EXISTING LEACH FIELD /
AND ALL OTHER APPLICABLE LOCAL, STATE, AND FEDERAL CODES AND REGULATIONS. IN SAME FOOTPRINT (SEE DETAIL)
E. PROPERTY IS LOCATED WITHIN FLOOD ZONE AE EL=11 PER FEMA MAP PANEL 25001CO589J. °
PROPOSED PRESSURE
''TREATED 6"X6" EDGING
SEWAGE DISPOSAL SYSTEM NOTES: (SEE -NOTE #12�` ° ° � SP
_ ° �' �
1. H-20 RATED COMPONENTS SHALL BE REQUIRED IN ANY AREAS SUBJECT TO VEHICULAR Q
LOADING AND AS REQUIRED ON THE PLAN. <
° °
2. THE DESIGNER WILL NOT BE RESPONSIBLE FOR THE SYSTEM AS DESIGNED UNLESS �+ ° ° \�
CONSTRUCTED AS SHOWN. ANY CHANGES OR DEVIATIONS FROM THIS PLAN MUST BE
APPROVED IN WRITING.
3. ALL GRAVITY SEWER PIPE SHALL BE 4" DIA. SCN 40 PVC UNLESS OTHERWISE NOTED. THE /*/ / 9X5 ° .� a r a° / � \�V Existing Septic Tank
MINIMUM SLOPE OF 4" DIA. SCH 40 PVC SHALL BE 0.01 FT/FT. /* J Q ° (See Note #6)
Q \
4. SOIL ABSORPTION SYSTEMS MUST BE VENTED WHEN DISTRIBUTION LINES EXCEED 50 FEET IN /" x 9xg (mL� 5� IQG \\� J \mil a
LENGTH, WHEN LOCATED IN AREAS SUBJECT TO VEHICULAR LOADING, AND WHEN PRESSURE
DOSED. I 5P`' min) ° ° . e
5. FINISHED GRADE SHALL BE A MAXIMUM OF 36" AND A MINIMUM OF 9" OVER THE TOP OF ALL °
SYSTEM COMPONENTS. ° 4
° ,t5
6. ALL SEPTIC SYSTEM COMPONENTS, FOR UNIT #3, SHALL BE PUMPED DRY REMOVED, AND AREA " g°
FILLED IN WITH CLEAN SAND. / / / //
/
7. CONTRACTOR SHALL PROTECT ALL EXISTING SEPTIC COMPONENTS FOR UNIT 01. CONTRACTOR ��\ ��\ ° ``K PROPOSED PRESSURE
SHALL EXPOSE THE EXISTING LINE FROM THE SEPTIC TANK TO LEACH PIT, PRIOR TO THE ° Lo,L
INSTALLATION OF ANY NEW SEPTIC COMPONENTS, TO CONFIRM THERE ARE NO CONFLICTS WITH�ofk�rg / TREATED 6" X6" EDGING
THE NEWLY PROPOSED SEPTIC INSTALLATION. IF THE EXISTING LINE IS IN CONFLICT WITH THE 9 �ed� (SEE NOTE #12)
PROPOSED SEPTIC DESIGN THE CONTRACTOR SHALL NOTIFY THE ENGINEER AND LINE WILL BE Po
RELOCATED AS NEEDED.
x \ 00�,5 /
8. COMPONENTS TO BE PROVIDE WITH WATERTIGHT ACCESS COVERS RAISED TO WITHIN 6' OF 9x5 /� 2 6EOR /
GRADE WHERE REQUIRED. /
9. PRIOR TO FINAL INSPECTION BY THE ENGINEER AND THE BOARD OF HEALTH ALL SYSTEM
COMPONENTS MUST BE INSTALLED INCLUDING ALL ACCESS COVERS WITH RISERS. N
10. SOIL REMOVAL: ALL OF THE EXISTING LEACH FILED, CONTAMINATED SOIL, FILL, AND SUBSOIL PROPSOED NT
/`
(B LAYER) SHALL BE REMOVED FROM THE FOOTPRINT OF THE LEACH FIELD ONLY PER / ���� r.-
YARMOUTH BOARD OF HEALTH REQUIREMENTS) DOWN TO THE CLEAN SAND LAYER, LAYER C1. / Existing, Septic Tanks
AREA TO BE BACKFILLED WITH CLEAN "TITLE 5" SAND AND COMPACTED TO MINIMIZE SETTLING. / w/ Timber Wall Around
CONTRACTOR TO NOTIFY TOWN AND/OR ENGINEER TO VERIFY SOIL REMOVAL AS REQUIRED.
11. PROPOSEDLINER: INSTALL A 40 mil HDPE LINER FROM EL=8.7± TO EL=3.7 AS SHOWN ON
L / f
PLAN AND SAS DETAIL
12. CONTRACTOR SHALL INSTALL 6" X 6" TIMBER EDGING ALONG AREAS OF RAISED PAVEMENT TO / /
ACCOMMODATE PROPOSED GRADING REQUIRED AS PART OF NEW LEACH FIELD INSTALLATION.
TIMBER EDGING SHALL HAVE AT LEAST (1) ROW BURIED BELOW GRADE AND ROWS SHALL BE
CONNECTED BY 10' TIMBERLOCK SCREWS INSTALLED 6" ON CENTER. EDGING SHALL BE
INSTALLED TO ALLOW FOR GRADING TO DIRECT STORMWATER AWAY FROM BUILDING AND INTO
EXISTING GREEN AREAS/CATCH BASINS. PUMP CHAMBER FLOAT D ETA I L
13. EXISTING PARKING LOT TO BE SAW CUT AND REMOVED AS NEEDED FOR SEPTIC INSTALL NOT TO SCALE
PARKING LOT SHALL BE REINSTALLED WITH AN 8" PROCESSED GRAVEL SUBBASE AND PAVED /�• _ ___
T 2 5 ASPHALT JOB MIX FORMULA d�
WITH 3 (DONE IN TWO 1.5 UFIS) USING MASSDO #1 --
�� OUTLET INVERT EL=6.85 �
PUMP NOTES & REQUIREMENTS:DETAIL OF VENT ACCESS CAP
Storage Volume Alarm
1.) ALARM SHALL -BE A RED WARNING LIGHT WITH AUDIBLE ALARM LOCATED WITHIN THE } (28-3/4" = 323 Gallons) 6" NOT TO SCALE
BUILDING AS SHOWN ON THE PLAN. // Pump On i
2.) THE CORDS FOR THE FLOATS -SHAL-I-BE-ONE-CONTINUOUS-PIECE- FROM -THE -PUMP --C13AMBER Cycle Volume (4-1!/4" = 48 Gallons)
TO THE DISCONNECT PULL BOX. THE CORDS SHALL BE ENCASED IN 3" ELECTRICAL CONDUIT. 48"
Pump ON/OFF /f Finish Grade
3.) ALARM AND PUMP TO BE WIRED TO DIFFERENT CIRCUITS. /
15" Sump 9" DIA. H-20\
4.) ALL PUMP, WIRING, ALARM, AND FLOAT INSTALLATIONS SHALL CONFORM TO MASSACHUSETTS CAST IRON CLEANOUT COVER
STATE PLUMBING AND MASSACHUSETTS STATE ELECTRICAL CODES AS WELL AS TO �-' 1" Screw -on Cap
MANUFACTURER'S SPECIFICATIONS.
5.) PUMP SHALL BE LIBERTY LE41 A SERIES PUMP (OR EQUAL) MEETING MAXIMUM pip FLOAT NOTES: 1" PVC Access Pipe
REQUIREMENTS OF 21.1 GPM AND 9.4' OF TOTAL DYNAMIC HEAD. INSTALLER TO VERIFY PUMP
WITH MANUFACTURER FOR FLOW AND TDH.
6.) 28 J"" FROM PUMP ON FLOAT TO INLET INVERT PROVIDES 323 GALLONS OF STORAGE. 1. FLOATS SHALL BE SECURED TO THE DISCHARGE LINE,
INSTALLED ON A FLOAT TREE, OR PROVIDED WITH A
\\eAB�E WEIGHT. r -` � 3/4"-1-1/2" Stone Base
PUMP DOSING CALCULATIONS:
- =---- Fill \
1. DETERMINE VOLUME OF EFFLUENT TO BE PUMPED TO LEACHING
FIELD:
DAILY FLOW = 220 GALLONS
NUMBER OF DOSES -PER DAY = 10 DOSES
NUMBER OF GALLONS = 220/10 - 22 GPD
DRAIN BACK VOLUME:
2" FORCE MAIN = '14 GALLONS
PUMPING VOLUME - DOSING'VOLUME + DRAIN BACK VOLUME
PUMPING VOLUME = 22 GALLONS + 2 GALLONS = 24 GALLONS (min)
2. DISCHARGE RATE:
18 TOTAL PERFORATIONS (INCLUDING VENTS) x 1.17 GPM/,PERF.
2.5' HEAD = 21.1 GPM
2. \ FLOATS SHALL BE INSTALLED SO THAT THEY ARE
1" Distribution Lateral
DEEP OBSERVATION HOLE LOGS
NO SCALE
DEEP OBSERVATION HOLE 1, EL. = 9.0±
DEPTH FROM
SURFACE
SOIL i
HORIZON
SOIL
TEXTURE
SOIL COLOR
MUNSELL
0" = 20"
FILL
- - -
- - -
20"-- 33"
B
LOAMY SAND
10 YR 5/8
// 33" - 1001
C1
MED-COARSE
10 YR 8/6
SAND
DATE OF TESTING: C 11 /2/22
PERCOLATION RATE: LESS THAN 2 MIN/IN H-IP_ERC IN C1 LAYER IN TP#1)
WITNESSED BY: KEITH E. FERNANDES, PE, DIG -IT CONSTRUCTION, LLC.
JAY GARDINER, ASSISTANT HEALTH DIRECTOR, YARMOUTH HEALTH DEPARTMENT
GROUNDWATER STANDING ® 88" BELOW GRADE (EL=1.67) IN TP#1
USE A LOADING RATE OF 0.74 GPD/SF FOR SIZING OF SOIL ABSORPTION SYSTEM.
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k;I,,r
SYSTEM DESIGN CALCULATIONS. ofCreativeEdge
^�Sa'•on
DESIGN FLOW: Cape Cod Irish
EXISTING 2 BEDROOM DWELLING AT 110 GAL PER DAY PER BEDROOM = 220 GPD V+11age
220 GPD 200% 440 GALLONS - USE 2000 (2) COMPARTMENT MONO SEPTIC TANK/PUMP CHAMBER (1500 lomama's NY
-GAtLON-SEPTIC TANK & 500 PUMP CHAMBER) CO,Bagels-Coffee House
SAS AREA: A 19' L X 16' W. X 0.5' D. LEACHING FIELD CAN LEACH:
Vt = [(19 X 16)] X 0.74 GPD/SF-= -225 GPD
A GARBAGE DISPOSAL IS NOT PERMITTED WITH THIS DESIGN:, Cape Share Inn `?
INSTALL: _ f l arkers Fiver Resort
ONE (1) -12000 GALLOWLOW PROFILE SEP11C TANK/PUMP CHAMBER (USE ACME/SHOREY STPC202LP) ` LOCUS
YANK__$HALL BE WATERPROOFED ON THE EXTERIOR k'.: _R•,_
ONE (1) - 19' X 16' X 0.5' LEACHING FIELD
ONE (1) - LIBERTY LE41A 4/10HP PUMP WITH CONTROL PANEL, FLOATS, AND ALARM ndominiun4s
NOT TO 'SCALE
ENTIRE PROPERTY IS LOCATED WITHIN PLAN BOOK 357 PAGE 4
�ASSESSORS' MAP 33 PARCEL 77-C2
AN AE FLOOD ZONE (EL-11) PER
FEMA MAP PANEL 25001 CO589J J LEGEND
32 - EXISTING CONTOUR
x12.34 EXISTING SPOT GRADE
24x5 PROPOSED SPOT GRADE
-w-w- WATER SERVICE LINE
=E ® TEST HOLE / BORING LOCATION
ST SEPTIC TANK
\` \\'(�. DB DISTRIBUTION BOX
�OV
ai - SAS - SOIL ABSORPTION SYSTEM
FENCE
�••r�N, -e-6- GAS LINE
TUPALO TREE
#° 5
' KEY MAP `''
BENCHMARK SP OAK TREE
CL/CL CATCH SCALE: 1" - 30' +s, HYDRANT
BASIN RIM t�?o /'� Q WATER GATE
EL = 8.2± sEPN , C 3 5 D4 GAS VALVE
(NAVD88) �P SP UTILITY POLE
PROPERTY LINE INFO:
1. PROPERTY LINES AND BUILDING LOCATIONS PER
CONDO SITE PLAN DATED 7/31 /1981 ON FILE AT THE
BARNSTABLE COUNTY REGISTRY OF DEEDS.
EXISTING SEPTIC INFO:
1. EXISTING SEPTIC COMPONENTS FOR LOTS 3-10 PER
PLAN BY BSC GROUP DATED 9/25/2014 ON FILE AT
THE YARMOUTH BOARD OF HEALTH.
2. EXISTING SEPTIC COMPONENTS FOR UNIT #1 PER
SEPTIC INSPECTION REPORT DATED 1-25-16 BY B&B
EXCAVATION ON FILE AT THE YARMOUTH BOARD OF
HEALTH.
3. EXISTING SEPTIC COMPONENTS PER AS -BUILT PLAN
BY DIG -IT CONSTRUCTION DATED 3/30/23.
SECTION A -A'
CROSS-SECTION OF DELIVERY LINE / MANIFOLD CONNECTION
NOT TO SCALE
4" PVC PERFORATED VENT PIPE (TYPICAL)
, /-2- 4' 4' 4' 2'-7'
2" MANIFOLD, CAPPED
ACCESSIBLE FROM THE OUTLET MANHOLE COVER. -1/4" Vent Hole with "ORENCO" Shield
�!I 90' Bend
1 /4" Perforation ® 5&7 O'CLOCK
Leach Field .
BUOYANCY CALCULATIONS,
2000 GALLON SEPTIC TANK/PUMP CHAMBER
3. TOTAL DYNAMIC HEAD: 9.4 FT. 4" SCH.
(Based On Edimated Seasonal
Fsf = (13' X T X 1s') 62.4 LB/CF High Groundwater EL=4.2)
4. PUMP MUST BE CAPABLE OF PUMPING AT LEAST 21.1 GPM = 10,789 Ibs (Passsiveive 40 PVC Vent/Pipe
4"
INSPECTIONN PVC PORT ( Vent) by "Sweet Air" CALCULATION
AGAINST A TOTAL DYNAMIC HEAD OF 9.4 FT Fw=_ TANK WEIGHT + SOIL COVER
33,500 lbs. (Per. Spec) � W/ 18" PIECE OF #4 REBAR /
RAISE TO WITHIN 3" OF GRADE Vent Access Cap / DEPTH TO WATER TABLE (111212022) EL=1.67
SCHEMATIC FLOW PROFILE. FwI = 33,500 tbs >� Fe = 10,789 Ibs PIPE SHALL BE PERFORATED at end of each Lateral MIW-29
r WITHIN FIELD (SEE DETAIL) APPROPRIATE INDD( Will:
EXISTING
2" DELIVERY LINE
'
WATER LEVEL RANGE ZONE A(0-21
RAISE COVER
Proposed' EL=9.5 (min)
CURRENT DEPTH TO WATER LEVEL. (11/2022): 9•4
TO GRADE WITH H-20
CONCRETE RISERS AND MIN.
/\
/
WATER LEVEL aoJusTMENr: `25' *SEE VARIANCE REQUEST
24' H-20 CAST IRON COVER
-�
min
„
9 Pro
posed
ESTIMATED DEPTH TO WATER LEVEL EL=4.2t
2" Mtnifold to be below
€ 8.7±j
1" Distribution Lot erals
„
(9 Min - 36" Max)
laterd invert as shown.
\
FINISH GRADE=9 (min)
LAYER
OF FILTER FABRIC
�\
\ /
THRUST BLOCKS TO
--
8.5±
BE INSTALLED
AT EVERY BEND
3/4" - 1-1/2" STONE
Check
Valve
Delivery
Line
8.30
(
1 I
�2*
7.8± A '
DROP:Y min. Gate Valve
_•;
t f
3' max.
- -'
Pitch 2' dia.
19' Distribution Lateral
*4.1'±
- *SEE VARIANCE REQUEST
10'
3/8" Bleeder
_
Force Main
Back to the
ONE (1) 19 x 16 x 0.5
-�
Hole
6.85
Pump Chamber
*�
CLASS 150 Pressure Pie with
p
LEACH FIELD
_
EL=3.7± ESTIMATED SEASONAL HIGH
1±
Pitch 2" dia.
1 CF of concrete behind bends for
*
•p'
GROUNDWATER - PER VARIANCE REQUEST
*SEE N0�
GAS BAFFLE
Force Main
thrust blocking (Typical)
)-�-
EL=1.7± OBSERVED GROUNDWATER
Back to the
Pump Chamber
2 Delivery Line to 2 an -
IN TEST PIT #1 11/2/2022
`
(4) 1" Laterals with 1/4" Burr -free Perforations I(see
I
s.e5
I
SAS detail for spacing)
2.3±
PROPOSED 2000 GALLON
I 13'±
_
Drilled at the 5:00 and 7:00 positions Each 1/4"
��
LOW PROFILE 2 COMPARTMENT
1/4" Vent Holes drilled below 90' bend at each end
r
SEPTIC TANK/PUMP CHAMBER
of each Lateral
(H-20)
TANK SHALL BE WATERPROOFED ON THE OUTSIDE
LATERALS (TLDISTRIBUTION
561s
FLOOR PLANS:
1. FLOOR PLANS TO BE PROVIDED SEPARATELY.
PASSIVE VENT LINES:
THREE (20'±) OF SCHEDULE 40 PVC PIPE
PIPE SHALL BE PERFORATED WITHIN FIELD
AND SOLID OUTSIDE OF FIELD. LINE SHALL
BE VENTED WITH A "SWEET AIR" (MUSHROOM CAP)
2" MANIFOLD
N�
5
NUMBER PERFORATIONS PER LATERAL = �'
2 OUTSIDE LATERALS WITH 5 (INCLUDING VENT) A N.
(2) MIDDLE LATERAL WITH 4 (INCLUDING VENT)
PERFORATION SIZE = 1 J4" '
PERFORATION SPACING - SEE SAS DETAIL
LATERAL LENGTH = 19'
NUMBER OF LATERALS =4 PROPOSED FLOW BARRIER
LATERAL DIAMETER = 1' N (SEE NOTE #11)
PERFORATIONS SHALL B; DRILLED AT 5:00 & 7:00 O'CLOCK
OVER THE COUNTER VARIANCE
REQUEST
LOCAL UPGRADE APPROVALS:
310 CMR 15.403
VARIANCE: 310 CMR 15.212 -1b (Depth to Groundwater)
*1.) Separation from bottom
of Leach Field to High
Groundwater -not 5'
'
4' held
1' Varian
VARIANCE: 310 CMR 15.211:
=. SETBACKS
**1.) Separation from Leach
Field to Leaching Catch Basin
Not 25'
( 14' held11'
---.-_
variances
**2.) Separation from Septic
Tank to Leaching Catch Basin
Not -10'-
6' held
4' vaHand
**3.) Separation from Leach
Field to Crawl Space Not 10'
9' held .
�' 1' variance
VARIANCE: 31)0 CMR 15.103:
- 3b3
*1.) Reduction in Estimated
Seasonal High Groundwater
Adjustment - 2.5' Required
2 held
`0.* varian ecec
NOTES:
*SAME VARIANCES REQUESTED THAT WERE GRANTED FOR
THE UPGRADE OF UNIT #2 SAS IN 2023
**HOLDING SAME SETBACKS AS EXISTING LEACH FIELD
PROPOSED VENT
SAS DETAIL
5'
SCALE: 1 " = 10'
15 5
PERFORATION AT VENT ACCESS CAP
(SEE DETAIL)
Perr �EEva$ rfftwand
AIR OF SEPTIC SYSTEM
ON� ,due u Local septic variances.
(Board of ilealth rev iew and approval is required for
any future- ad ditionstrenovation -to Iterations to
selvage facilities and/or structures/dwelling.
Yarmouth Ifealth Department
A ROVED
..�1e _ :•.,,, ale
a f
/3', L� tiy1! Jai ., •4�l4
RECr,_-'1VED
APR 0 2 2024
HEAt,TH DEPT.
J" PERFORATIONS
PROPOSED INSPECTION PORT
DIG -IT
" CONSTRUCTION, LLC
PO BOX 268 SOUTH DENNIS, MA 02660 PHONE:
508-432-1635 www.digitconstruction[Ic.com
CLIENT:
785 ROUTE 28 LLC
176 SUDBURY LANE
HYANNIS, MA 02601
SITE: UNIT # 3
785 ROUTE 28
YARMOUTH, MA 02673
TITLE:
SEPTIC SYSTEM UPGRADE PLAN
SCALE: DATE: DRAWN: CHECKED:
AS NOTED 4/2/2024 KEF KEF
PROJECT NO: DRAWING NO: REVISION:
7022 7022-SAS.dwg N/A
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