HomeMy WebLinkAboutImprovement & Topo Planw
a
car
co
0
N
0
0
N
h
N
N
-a
0
i
h
Cl
3
0
m
L,
0
0
Ln
'r0 ,'I -
0
i
to
0
0
N
V)
w
0
0L
0
0
J
i
a_
0
I'— � - �___ - �L_ - �__ - � <,: I
SEE So?'
N
W
F..
2
2�EEP 2-ESj-' PIS AND PERCOLA�1"ON TEST RESuLT-S'
ALL SOIL DATA WAS TAKEN FROM REFERENCE MAP 4.A.
DEEP TEST PITS WERE RECORDED BY ROBERT RUSSO OF CLA ENGINEERS, 11-30-04.
PERCOLATION TEST WAS PERFORMED BY CLA ENGINEERS ON 6-16-05.
TEST PIT j 132
0"- 3" TOPSOIL DARK BROWN FINE SANDY LOAM
3"- 54" SUBSOIL STRONG BROWN STONY SANDY LOAM
NO GROUNDWATER, LEDGE 0 54" NO MOTTLING
TEST PIT j 133
0"- 3" TOPSOIL DARK BROWN FINE SANDY LOAM
3"- 40" SUBSOIL YELLOW BROWN SANDY LOAM W/ MOTTLES
40"- 69" GRAY SANDY TILL
NO GROUNDWATER, NO LEDGE, MOTTLING 0 28"
TEST PIT j 134
0"- 4" TOPSOIL DARK BROWN FINE SANDY LOAM
4"- 41" SUBSOIL YELLOW BROWN SANDY LOAM W/ MOTTLES
41"- 72" GRAY SANDY TILL
NO GROUNDWATER, NO LEDGE, MOTTLING 0 28"
TEST PIT j 135
0"- 4" TOPSOIL BROWN FINE SANDY LOAM
4"- 25" SUBSOIL STRONG BROWN STONY SANDY LOAM
25"- 76" GRAY SANDY TILL BOULDERS
NO GROUNDWATER, NO LEDGE, MOTTLING 0 25"
PERC TEST #9
DEPTH = 24"
RUE ffEAl
10:22
12"
10:25
13-1/2"
10:28
15-1/4"
10:31
16-1/2"
10:34
17-112"
10:37
18-1/2"
10:40
19-1/4"
10:43
20"
10:46
20-3/4"
10:49
21-1/2"
10.52
22"
10:55
22-1/f "
10:58
DRY
PERCOLATION RATE 0 24" DEPTH = 6.0 MINUTES/INCH
SYLWITARY D ES_TC�W CR_RrER_TA_
PROPOSED 4 BEDROOM HOUSE
DESIGN PERCOLATION RATE = 6.0 MINUTES/INCH
LEACHING AREA REQUIRED = 660 SF EFFECTIVE
DESIGN: 1,250 -GALLON CONCRETE SEPTIC TANK (MINIMUM) AND 1 ROW OF 112' OF 4' WIDE,
8' LONG, 12" HIGH CONCRETE LEACHING GALLERIES WITH 1' OF APPROVED AGGREGATE
SURROUNDING ALL SIDES.
LEACHING AREA Phi'0 DED. i i 5' „ 5.9 SF L" = 66{4.4 SC
100% RESERVE AREA PROVIDED
-MISS CAI CU1111-1110iv
HYDRAULIC GRADIENT = 10.0%
DEPTH TO RESTRICTIVE LAYER = 25"
HYDRAULIC FACTOR = 28
FLOW FACTOR FOR 4 BEDROOMS = 2.0
PERCOLATION FACTOR FOR 5.1-10.0 MINUTES/INCH = 1.2
MLSS REQUIRED = 67.2'
MLSS PROVIDED = 110'
10' TO TOP
OF EMBANKMENT -
4'x 8°x 12"
HIGH CONCRETE
LEACHING GALLERIES
APPROVED
AGGREGATE
TO FAWN'S
MEADOW ROAD
SUR-VEY J OSES
\ \ \ \ 1. THIS SURVEY AND MAP HAVE BEEN PREPARED PURSUAI tT TO THE REGULATIONS OF CONNECTICUT STATE AGENCIES
SECTIONS 20-300b-1 THROUGH 20-300b-20AND THE "STANDARDS FOR SURVEYS AND MAPS 1N THE STATE OF
CONNECTICUT" AS ADOPTED FOR USE BY THE CONNECTiCUT ASSOCIATION OF LAND SURVEYORS INC. ON SEPTEMBER
\ \ \ 26TH 1996. IT IS AN "IMPROVEMENT LOCATION AND TOPOGRAPHIC SURVEY" BASED ON DEPENDENT RESURVEY AND
\ \ \ \ \ CONFORMS TO HORIZONTAL CLASS A-2 AND TOPOGRAPHIC CLASS T-2 ACCURACY STANDARDS. IT IS INTENDED TO BE
\ \ \ \ USED FOR SITE DEVELOPMENT.
\ \ \ \ \ 2. PROPERTY LINES, BUILDING SETBACK LINES, EASEMENT ? INES, LIMIT OF INLAND WETLANDS AND NORTH ORIENTATION
\ \ \ \ \ \ \ WERE DERIVED FROM REFERENCE MAP 4A. TOPOGRAPHY WAS DERIVED FROM REFERENCE MAP 4A AND LIMITED
\ \ \ \ \ \ \ \ \ TOPOGRAPHIC FIELD SURVEY.
\ \ \ \ \ \ \ \ \ 3. THE SUBJECT PROPERTY LIES WITHIN R-120 ZONE (CLOISTER DEVELOPMENT), HAVING THE FOLLOWING DIMENSIONAL
REQUIREMENTS:
\ \ \ \ \ \ \ r MINIMUM LOT SIZE 80,000 SQ. FT.
t \ \ \ \ \ \ MINIMUM LOT FRONTAGE 150 FEET
MINIMUM FRONT YARD 45 FEET
MINIMUM SIDE YARD 18.75 FEET
\ \ \ \ 1 \ \ \ MINIMUM REAR YARD 45 FEET
4. REFERENCE MAP:
\ \ \ \ \ A. RESUBDIVISION PLAN, FAWN'S VIEW, LYNCH HILL ROAD, MONTWLLE, CONNECTICUT, PREPARED FOR STONEHENGE
PILLARS, LLC, JUNE 2005, REVISED TO JANUARY 13, 2006, SHEETS 1 THROUGH 16, PREPARED BY CLA
ENGINEERS, INC.
5. THIS SITE IS LOCATED IN AN R-120 ZONE AND IS PARY OF AN APPROVED CLUSTER SUBDIVISION WHERE THE BUILDING
SETBACKS ARE REDUCED BY 25% OF THE REQUIRED R-120 SETBACK REQUIREMENTS AS INDICATED ABOVE.
WF#49F / // l l WF,447F
gti ��, \ \ I � \ \ \ ` I
WFI15 OF
\
LOT \ \ t t I INLAND WETLANDS
(SEE SURVEY NOTE 12) \ \ \ \
LOT 7/ / ! I I AREA: 10.301 1• ACRES
448,740± S. F. t� I I I t J
INV 335.0± WITH
/ / I PERFORATED END ` \ WF#51 F - -_
IX CAP
17'-4" PVC I t \ \ -
/ / t FOOTING DRAIN ` \ _ \ \
CZ
OUTLET PIPE - rd,
\ \ \
/ \ S - 0.1± \ \ ---------- \ \\ \ \
30'-4" PVC
j \ 342 SCHED 40
S= 114 IFT
/ - \ 'PROPOSED 1,250
GALLON SEPTIC TANK \ \ � � ' 8\
GARAGE \ \ INV 335.25 IN , = -33® \ \ SEDIMENT \ PROPOSED CLEARING \ \
FF 345.20 3 \� INV 335.00 oUT\ % \ FENCE \ \ LIMIT (TYP) \
v PROPOSED 4
3 4 -5-. _0j / BEDROOM HOUSE
X FF BSMT 337.0 337.7 \ \
F
¢Ol 66' S13'0937"W
i ♦ 17'
N75'16'09"E i 41.
25.35'
4'
N 13'09'37"E ♦♦
41.35' ♦
\ ♦ 1
LIMIT OF DRIVEWAY EASEMENT
/(�SEpE REFERENCE MAP 4.A.)
-�♦r,
lT yr)
FINISHED GRADE
LOAM AND SEED,
GRADE TO PREVENT PONDING
- FILTER FABRIC
24" MIN. TO MOTTLING/OR GROUNDWATER
48" MIN. TO LEDGE/ROCK
4'x8'xI2 " H_TGH COXCRETE l EACH-TwG G -Al -E ERY
NOT TO SCALE
joun rtrs
L.L.C.
LAND SURVEYING - HISTORICAL LAND RECORD RESEARCH
COMMERCIAL & RESIDENTIAL DEVELOPMENT
P.O. BOX 184
179 PACHAUG RIVER DRIVE
GRISWOLD, CONNECTICUT 06351
TELEPHONE (860) 376-2006
FAX (860) 376-5899
O 2009 BOUNDARIES LLC
THIS DRAWING IS THE PROPERTY OF BOUNDARIES LLC AND HAS BEEN SPECIFICALLY
PREPARED FOR THE OWNER OF THIS PROJECT, AT THIS SITE, AND IS NOT TO BE
DUPLICATED OR USED IN PART OR WHOLE FOR ANY OTHER PURPOSE, PROJECT, LOCATION
OR OWNER WITHOUT THE EXPRESSED WRITTEN CONSENT OF BOUNDARIES LLC.
i
i
i
� LOT 1o\
BOTTOM OF ALL
-LEACHING GALLERIES
_ - ELEV 327.50
D -BOX
-348 \ \ (ASSUMED DATUM) ``� r i "'� \
/ \ `� � � � INV 328.17 INS \
INV 328.00 OUT
APPROXIMATE \ �' \ - - - \ \ �` \ \ 1009 RESERVE
\ LOCATION OF
AREA
\ EXISTING TREELINE
Xr I TTW T TT A I-rM APC
- '• 4
sp -
FILTER FENCE ` -_ __-----
W
a
J
Roaktand
LOCATION MAP
SCALE: 1 "=1000'
CEWEAAI WOTTS
1. THIS SEPTIC SYSTEM INSTALLATION INCLUDING ALL MATERIALS (PIPING, SEPTIC TANK, STONE, FILL, ETC.) USED
FOR THIS SEPTIC SYSTEM SHALL CONFORM TO THE CURRENT EDITION/REVISION OF THE 'TECHNICAL
STANDARDS FOR SUBSURFACE SEWAGE DISPOSAL SYSTEMS" REVISED JANUARY 1, 2009 OF THE CONNECTICUT
PUBLIC HEALTH CODE BY THE STATE OF CONNECTICUT DEPARTMENT OF PUBLIC HEALTH.
2. THE PROPOSED HOUSE SEWER FROM THE BUILDING TO THE SEPTIC TANK SHALL BE SCHEDULE 40 PVC
ASTM D 1785/ASTM D 2665 OR APPROVED EQUAL AND INDICATED IN TABLE NO. 2 OF 'TECHNICAL
STANDARDS FOR SUBSURFACE SEWAGE DISPOSAL SYSTEMS" ALL OTHER SEWER PIPE FOR THIS SEPTIC
SYSTEM SHALL BE 4" PVC ASTM D3034, SDR 35 WITH RUBBER COMPRESSION GASKET OR BELL AND SPIGOT
OR APPROVED EQUAL
3. THERE ARE NO WELLS (POTABLE, GEOTHERMAL, OR IRRIGATION) WITHIN 75' OF THE PROPOSED SEPTIC
SYSTEM. THERE ARE NO SEPTIC SYSTEMS WITHIN 75' OF THE PROPOSED WELL.
4. THERE SHALL BE NO STUMPS OR BOULDERS BURIED WITHIN 50' DOWN GRADIENT OF THE SEPTIC SYSTEM.
SHOULD ANY SIGNIFICANT VARIATIONS FROM THE TEST HOLE DATA BE ENCOUNTERED DURING EXCAVATIONS
(LEDGE, GROUNDWATER, MOTTLING, SOIL TYPE, ETC.), THE DESIGN ENGINEER SHALL BE NOTIFIED PRIOR TO
INSTALLATION OF THE SEPTIC SYSTEM.
5. ALL EXISTING UTILITIES ARE APPROXIMATE ONLY. THE CONTRACTOR SHALL VERIFY ALL UTILITY LOCATIONS
AND ELEVATIONS PRIOR TO ANY CONSTRUCTION. CONTRACTOR SHALL CONTACT "CALL -BEFORE -YOU -DIG" AT
1-800-922-4455 AT LEAST 48 HOURS PRIOR TO ANY EXCAVATION.
6. THE PROPOSED FILL FOR THIS SEPTIC SYSTEM SHALL MEET THE FOLLOWING SPECIFICATIONS:
A. 1007. OF FILL SHALL PASS THROUGH A 3" SIEVE.
B. MAXIMUM % OF GRAVEL (BETWEEN #4 & 3" SIEVE) = 457..
C. GRADATION OF FILL WITHOUT THE GRAVEL SHALL MEET THE FOLLOWING CRITERIA:
SIEVE SIZE % PASSING (WETS % PASSING (DRY,
#4 100% 100%
# 10 70 - 1007. 70 - 1007o
#40 10 - 507.* 10 - 75%
#100 0 - 207. 0 - 5%
#200 0 - 5% 0 - 2.5%
D. * PERCENT PASSING THE #40 WET SIEVE CAN BE INCREASED TO NO GREATER THAN 75% IF THE
PERCENT PASSING THE #100 SIEVE DOES NOT EXCEED 107. AND THE #200 SIEVE DOES NOT EXCEED 5
E. PERCOLATION RATE AFTER PLACEMENT AND COMPACTION SHALL- BE FASTER PIAN OR EQUAL TO 10.0
MIP.,UTES/INCE'.
A WET Or? DRY SI/:VE ANALYSIS MAY BE EQUlRLf.' PP,iOR TO FILL rLACEMENI TO 'VEF;IF" THAT IT MEETS
THESE SPECIFICATIONS, THE FILL SHALL BE APPROVED BY THE UNCAS HEALTH DISTRICT OR DESIGN
ENGINEER PRIOR TO ITS PLACEMENT ON SITE.
7. APPROVED STONE AGGREGATE MEANS CRUSHED OR BROKEN STONE, OR CRUSHED AND UNCRUSHED GRAVEL
MEETING THE GRADATION FOR NO. 4 (1114" STONE) OR NO. 6 (3/4" STONE) AGGREGATE PER DEPARTMENT OF
TRANSPORTATION FORM 816 SPECIFICATION M.01.01 (OR LATEST SPECIFICATION), AND THE 140 AND #200
SIEVE GRADATION STIPULATED IN SECTION V111 A, BASED ON A WET SIEVE ANALYSIS. STONE AGGREGATE
SHALL BE FREE OF SILT, DIRT OR DEBRIS, AND SHALL SHOW A LOSS OF ABRASION OF NOT MORE THAN 50
% USING AASHTO METHOD T-96, AND WHEN TESTED FOR SOUNDNESS USING AASHTO METHOD T-104 NOT
HAVE A LOSS OF MORE THAN 15% AT THE END OF 5 CYCLES.
NO. 4 AGGREGATE NO. 6 AGGREGATE*
SIEVE SIZE 9 PASSING % PASSING
2 INCH 100% N/A
1.5 INCH 90 - 100% N/A
1 INCH 20 - 55% 100%
3/4 INCH 0 - 15% 90 - 100%
1/2 INCH N/A 20 - 55%
3/8 INCH 0 - 5% 0 - 157.
#4 N/A 0-5%
#40 0 - 37. 0 - 3%
#200 0 - 1.57. 0 - 1.59
* NO. 6 AGGREGATE IS ONLY APPROVED TO BE USED FOR LEACHING TRENCHES AND PROPRIETARY
SYSTEMS ONLY.
8. NO DEVIATION FROM THE APPROVED DESIGN PLAN SHALL BE ALLOWED WITHOUT PRIOR APPROVAL FROM THE
UNCAS HEALTH DISTRICT AND THE DESIGN ENGINEER.
9. THE SEPTIC TANK SHALL BE PRECAST CONCRETE UNLESS OTHERWISE AUTHORIZED BY THE DESIGN
ENGINEER.
10. SITE PREPARATION PROCEDURE FOR THE INSTALLATION OF THE PROPOSED SEPTIC SYSTEM:
A. STRIP ALL TOPSOIL, VEGETATION AND ORGANIC MATERIAL IN THE AREA OF AND 5' SURROUNDING THE
PRIMARY LEACHING GALLERIES.
B. USING A HEAVY RAKE OR EQUAL, THOROUGHLY SCARIFY AND ROUGHEN UP THE EXPOSED SUBSOIL.
PREVENT ANY VEHICULAR TRAFFIC, BACKHOE, TRUCKS, ETC. FROM SMOOTHING/COMPACTING THIS
EXPOSED SUBSOIL.
C. PLACE AND COMPACT SELECT FILL MATERIAL MEETING SPECIFICATIONS INDICATED ABOVE (NOTE #6) IN
LIFTS OF NOT GREATER THAN 12" IN THE AREA OF THE PROPOSED LEACHING GALLERIES UP TO AT
LEAST THE ELEVATION OF THE TOP OF THE LEACHING GALLERIES.
D. PERFORM AT LEAST 1 PERCOLATION TEST ON PLACED FILL. FILL MUST HAVE A PERCOLATION RATE
EQUAL TO OR FASTER THAN THAT AS INDICATED IN NOTE #6.E. 1F PERCOLATION RATE IS SLOWER
THAN THAT RATE, ALL FILL SHALL BE REMOVED AND REPLACED WITH ACCEPTABLE FILL MEETING
PROPER SPECIFICATIONS.
E. INSTALL SEPTIC SYSTEM PER PLAN USING APPROVED STONE AGGREGATE AS INDICATED IN NOTE #7.
F. COVER SYSTEM WITH A MINIMUM OF 8" OF LOAM IN LAWN AREAS, GRADE TO PREVENT PONDING AND
SEED WITH GRASS TO STABILIZE. THE FINISHED GRADE 10' FROM ANY PART OF THE PROPOSED
LEACHING GALLERIES SHALL BE AT LEAST THE SAME ELEVATION AS THE TOP OF THE RESPECTIVE
LEACHING GALLERY.
G. CLEANOUT MANHOLES AT THE INLET BAFFLE AND AT THE OUTLET FILTER OF THE SEPTIC TANK OR
ASSOCIATED RISERS AT THESE LOCATIONS IF REQUIRED SHALL BE LOCATED AT A DEPTH NOT GREATER
THAN 12" BELOW FINAL GRADE.
11. FOR EXACT HOUSE DIMENSIONS, SEE BUILDING PLANS.
12. BENCHMARK TO BE LOCATED IN THE AREA OF DEVELOPMENT PRIOR TO THE START OF CONSTRUCTION.
13. PRIOR TO CONSTRUCTION, THE HOUSE, WELL, AND SEPTIC SYSTEM SHALL BE STAKED OUT BY A LICENSED
LAND SURVEYOR.
II
±
UTILITY POLE
MORE OR LESS
BSMT
BASEMENT
SANITARY
vel ont-nrILL
_
GRAPHIC SCALE
��..
T`M PROTE!A410 C,i��OJN
SAN.
FT
FEET
INV.
INVERT
. ,
20 0 10 20 40 80 - - -
- - -
-AND-
REC.
RECOVERED
ELEV.
ELEVATION
EXCAVATE
6"x 6" TRENCH : >'-., , .1:
IN FEET)
//////■■�/
OPO R.APHIC SURTEY
PVMT.
PAVEMENT
W�
WITH
FLOW
)'
:� :
( - - _
I.
:, _
I inch = 20 ft.
7YP.
TYPICAL
BUILDING SETBACK UNE
: T_ EXISTING GRADE
PREPARED FOR
PVC
S. F.
POLYVINYL CHLORIDE
SQUARE FEET
_
EXISTING CONTOUR
12" MIN.
SloEW E P111
m_
PROPOSED CONTOUR
DEPTH UNDISTURBED
'TO MY KNOWLEDGE AND BELIEF THIS MAP IS SUBSTANTIALLY CORRECT AS NOTED HEREON."
FF
FINISHED FLOOR
�-
PERCOLATION TEST
GROUNDa
23 FAWN'S MEADOW ROAD LOT #8
DEEP TEST PIT
1P
IRON PIPE
MONTVILLE, CONNECTICUT
345.0
X
PROPOSED SPOT GRADE
MON.
MONUMENT
SED1 M �E� E NCE D EJ .Vl
7(7234
L-
NOT TO SCALE
.
SCALE. 1 "-20' JUNE 2009 JOB I.D. NO. 06-1450-L0T7y8
SEAN T. t3P(7p<; S. LICENSE N0. DATE