HomeMy WebLinkAboutEngineer Certification and Engineered As-Built CRAIG R. SHORT, P.E.
•
PROFESSIONAL CIVIL ENGINEER,CUSTOM DESIGNER
P.O.Box 781
Dennis,Massachusetts 02638
Telephone(508)385-6530
Fax(508)398-3063
January 14, 1997 R ECEOVED
Board of Health JAN 1 4 1997
TOWN OF YARMOUTH HEALTH DEPT.
1146 Main Street
South Yarmouth, MA 02664
RE: 8 Duffy Road, West Yarmouth
Our File #12-702
Dear Board Members:
I have performed an on-site inspection of the septic system for the above
referenced property and find that it has been installed per the attached
"As-Built" in substantial compliance with the approved Plan with the
following notes:
1) The unsuitable material was removed around and below the
Soil Absorption System.
76 2) The bottom of the Soil Absorption System is per the approved Plan
(Elev 98.10).
3) The pump chamber design was revised as shown on the attached Plan.
4) The southerly end of the SAS was rotated about three (3) feet.
Very truly yours,
Craig R. Short, P.E.
CC: Evelyn Richardson
R. E. Larrimore
CRS/cwk
BENCHMARK 4" SCHEDULE 40 PVC PIPE
SOIL TEST
TOP OF FOUNDATION 20 FT. MINIMUM MIN. PITCH 1 /8 PER FT. CLEAN SAND
2" LAYER OF DATE OF SOIL TEST
ELEV _ £`' 10 FT. MINIMUM 2" PRESSURE PIPE
ELEV. / •7 1 /8' TO 1 /2" SOIL TEST DONE BY C.R. SHORT, P E -
�r�.,"
(ASSUMED) 2 f� U n_f 150 PSI MINIMUM V. — WASHED STONE WITNESSED BY FrTILS C rz /w rr'�r,r-:
---m c`1 l4tt, rC VENT
CONCRETE ` •$a �`��'^' s OBSERVATION HOLE ELEV.= 9f z
_ COVERS (94,8a� _ _--_ -. ' _ OBSERVATION HOLE
_ _ -�1 CU. FT. OF PERCOLATION RATE e 2 MIN./INCH AT Lf" INCHES PERCOLATION RATE
- CONCRETE DEPTH HORIZ TEXTURE COLOR MOTT. OTHER
ANCHOR
dr: 4" CAST IRON PIPE -7 6
(OR EQUAL) MINIMUM EFI- o o o
PITCH 1/4" PER FT.
" SUMP ELEV. cLl�✓ ���;__ �: o ELEV. _
FLOW.LINE
ELEV. M�N DISTRIBUTION ELEV. = r p/ (r GP -• ; ' TRENCH FORMATION S WELL �'' "''' `J
V.
CL 3/8" DRILL ZONE
/ fi
GAS HOLE BOX (ge.7o SOIL ABSORPTION In INDEx_h_4___.
ELEV. = rwf.7�f y B„„APPLE N TO BE WATER TESTED r ADJUST_ ' f -_.
C9sao ELEV. = s��o SYSTEM (SAS) o ;•'
3/4” TO 1
1/2-
CHECK
VALVE WASHED STONE Y_
LIQUID OUTLET UO BE PLACEDrON IRM 6 SE) ?,tee�C„ y USGS PROBABLE WATER TABLE ELEV. = `�'`_'_ .
• L. F"� A E f' V j
�/ E EV 9
2 1 ELEV.=
_ MIN./INCH AT INCHES
DEPTH
HOR12
TEXTURE
COLOR
MOTT.
OTHER
c>
TOTAL ESTIMATED FLOW
(_L/_'R GAL/BR./DAY X BR.)
'}
GAL./DAY
REQUIRED SEPTIC TANK CAPACITY
r`� =
GAL.
ACTUAL SIZE OF SEPTIC TANK
GAL
SOIL CLASSIFICATION
DESIGN PERCOLATION RATE
<
MIN./IN.
EFFLUENT LOADING RATE
"
GAL./DAY/S.F.
LEACHING AREA r ,k 4 /79' x C. I;
SQ. FT.
LEACHING CAPACITY (AREA X RATE)
6GAL./DAY
2 ? �4t LEACHING CAPACITY r c . _:"...'4+
r -k°'
C
DEPTH TE --� i Z_ �-J ; 4.., r w r ,r,, . 14,447
4 FEET 14 INCHES 1 500 GALLON
�;R, ,, : ; -� s c� o BOTTOM OF TEST HOLE ELEV. - < � _
5 FEET 19 INCHES
PUMP __ _ WATER ENCOUNTERED AT �- �` ELEV. _ `�
6 FEET 241NCHES SEPTIC TANK T PUMP CHAMBER CALCULATIONS
7 FEET. 29 INCHES CHAMBER
8 FEET 34 INCHES �"_ _ }-? C ELEV. AT INVERT INLET 9`�• Hv REQUIRED FLOW PER CYCLE .2.5 X -33v = t�<".S rp! •/CYCt,E C�e�t 19 F"°'''�
_._ _ _
ELEV. AT ALARM ON S 9 2.41` ' . VOLUME PER CYCLE LILT GAL./CYCLE / 7.48 CAL./CU. FT � �•�� CU. FT./CYCLE
_ ELEV. AT PUMP ON 92.VOLUME OF WATER IN PIPE 3.14 X 0.00694 X, _ FT. - •_ 7 CU. FT.
SEWAGE DISPOSAL SYSTEM PROFILE BOTTOMOFPUMP CHAMBER TOTALMP OFF_�o•�� DS HARGEhi!}� 20 CUE FTR/lz.,i-7 CU. FT./FT. +G.�''�% FT 4�.tn/siD �!r
f NOT TO SCALE BOTTOM OF OUTSIDE PUMP CHAMBER 20-0 " STORAGE CAPACITY 220 GAL./DAY / 7.48 GAL./CU. FT. / 12.,4-7 CU. FT./FT. - -"� FT.
��-----'-- '-.._ "`---I�i�f;; c+� ,���T!� •fSP�c `p _ r1�c G.l7(ysG-q,�1x z... ,y r'2 2•'
REQUIRED • PROVIDED LEGEND:
/� z / 9 {-•'� L ;� �? nXISTiNG SPOT ELEVATION 00x0 ,
— _ r
�; �, .Y Fe r -f 7 1 EXISTING CONTOUR ----00— -
'- '' FINAL SPOT ELEVATION 0 .0
FINAL CONTOUR 00
I SOIL TEST LOCATION
UTILITY POLE
TOWN WATER =W -O
50
s t/ 3 % N� Shb- �- \ 4tf
1M" .
CATCH BASIN \0J
4, f1 _ __ __. �_ _ ___ 7 {; ^; i GAS LINE G
WATER ENCOUNTERED AT ELEV. =
DESIGN CALCULATIONS
NUMBER OF BEDROOMS ( 2 , :t �
GARBAGE DISPOSAL UNIT
c>
TOTAL ESTIMATED FLOW
(_L/_'R GAL/BR./DAY X BR.)
'}
GAL./DAY
REQUIRED SEPTIC TANK CAPACITY
r`� =
GAL.
ACTUAL SIZE OF SEPTIC TANK
GAL
SOIL CLASSIFICATION
DESIGN PERCOLATION RATE
<
MIN./IN.
EFFLUENT LOADING RATE
"
GAL./DAY/S.F.
LEACHING AREA r ,k 4 /79' x C. I;
SQ. FT.
LEACHING CAPACITY (AREA X RATE)
6GAL./DAY
2 ? �4t LEACHING CAPACITY r c . _:"...'4+
r -k°'
I f I ... t•F -,,
2 .N0TES:
f � •__.� _ �. ,,,;.; �' „ . _, , 1. ALL WORKMANSHIP AND MATERIALS SHALL CONFORM TO D.E.P.
O TLE 5 N TOWN0 1 �.r 3-:: S AND
--. f 0 REGULATIONS FOR THE SUBSURFACE DISPOSAL OF SEWAGE.
I T° j E c T Ion 0 5, c t I D IS7'fi�J; E -" ^�. rF," 2. ALL COVERS TO SANITARY UNITS SHALL BE BROUGHT TO
1 r--•.+ - -` r; ,- F, r WITHIN 6 OF FINISHED GRADE.
- �t _ _.. •!7 P'�C7 (C_ .a` Al... f.� .T.�.. LSP-J'�
THE
SFCT-; Ot. 3. w1TIiSTANDINGNHS10FL0 LOADING
LUNESS THEYSYSTEM
ARESHALL
I,17 OF
UNDER OR I��ItHIN
Q ° M
- -pomp 1 i4 �: �, fr C3i�j+'` 1'+ ? , 10 FT. OF DRIVES OR PARKING AREAS. H-20 LOADING SHALL HE
`.. j 7 USED UNDER OR WITHIN 10 FT. OF DRIVES OR PARKING AREAS.
t�'
�. � _.. _. - .__-- -�_.. , ' �•- �
ANY MASONARY UNITS USED TO BRING COVERS TO GRADE SHALL
4)
BE MORTARED IN PLACE.
5. NO DETERMINATION HAS BEEN MADE AS TO COMPLIANCE WITH
I '
rt�
V _. 4 I_i�r v. Ll l�., .. .••" D1.iT j �' .•! ,..1/'.j0-R-70"UG __ f:�f?_�_APPY s,T-is--To-
OBTAIN
C To
¢ �' � [� -�GI�+TIr?NS Olh
• ---. __.. --_ d r- e�_�_. -r=j �iM -,.j --. "J: - f_. t1 �.' _.TC c. c, r.JC . '_,j _ _
}` _ N __ f✓ t` -- "_Ia -_ F OBTAIN SUCH DETERMINATION FROM APPROPRIATE AUTIIORITY.
_.L,_.i` 6. UTILITIES SHOWN ARE APPROXIMATE ONLY, EXCAVATION CONTRACTOR
'H -� I IS TO CALL "DIG -SAFE" AT 1-800-322-4844 AT LEAST 72 HOURS
kl; ` i • { ' 1/ �; 2 ° •� •� �" ` C,. A.' 7 •4c : PRIOR TO COMMENCING WORK ON SITE.
7. CONTRACTOR IS TO VERIFY GRADES AND ELEVATIONS AS WELL AS
i �• �; �' ..r �i �' { SITE CONDITIONS PRIOR TO COMMENCING WORK ON SITE.
I,, f 8. PARCEL IS IN FLOOD ZONE <- r
__ _-_ _ __ _ _ _ 9. LOT IS SHOWN ON ASSESSORS MAP AS PARCEL
10. PUMP AND ALARM ARE TO BE ON SEPERATE CIRCUITS.
• �. ' r q o / 41 C D .[•.i" 11. ALARM IS TO BE BOTH AUDIO AND VISUAL
� 1 12. SEPTIC TANK AND PUMP CHAMBER ARE TO BE ASPHALT COATED
A AND HAVE 6 ML. POLY ATTACHED frF
13. ALL UNSUITABLE MATERIAL SHALL BE REMOVED FROM UNDER AND FOR
, , A MINIMUM OF 5' AROUND LEACHING FACILITY AND BE REPLACED WITH
5
r t Fi L4.t3 Cn 4�5; S . MATERIAL AS SPECIFIEDIN 310 CMR 15.255:(3).
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f. r�.. _ ►�l: , APPROVED: BOARD OF HEALTH
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DATE AGENT
PROPOSED SEPTIC DESIGN
FOR
PROJECT LOCATION
CRAIG R. SHORT
PROFESSIONAL ENGINEER
508- P. 0. BOX 781
3$5-6530 DENNIS, MASS. 02638
DATE •,,�, -p
REVISED
. 2i
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v RE41�ED
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4- =7
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1946 . C R.11G. T, . P.E.