HomeMy WebLinkAboutAS-Built DrawingsE
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PRESSURE DOSE TRANSPORT PIPE. INSTALLED 1.25 SCHD-40
2.0' MIN. DEPTH OF BURY. INSTALLED AT MIN. 2.5% TO
ALLOW DRAIN BACK TO TANK.
x
PROPERTY LINE
1 INSTALLED 1/14" BALL VALVE FLUSH ASSEMBLY ON y,r
TERMINAL END OF EACH DISTRIBUTION LATERAL
THAT EXTENDS VERTICALLY THROUGH CHAMBER
ENDCAP PENETRATION, HOUSED IN 10" VALVE BOX 1
(TYP. EA. ROW).
INSTALLED 4" RISER PIPE INSPECTION PORTS ON EACH x
CORNER CHAMBER ENDCAP OF THE BED (TYP.).
x
EXISTING FENCE
INSTALLED CHAMBER END CAP
ON ALL END CHAMBER ROWS
ABSORPTIONITREATMENT FIELD W/ PRESSURE DOSED SAND FILTER BED
INSTALLED 30 QUICK-4 PLUS CHAMBERS IN 3 ROWS WITH 10 CHAMBERS PER ROW FOR A
TOTAL ABSORPTION AREA OF 563 S.F. THE CHAMBERS WHERE INSTALLED AT LEVEL GRADE.
THE BOTTOM OF THE BED WAS EXCAVATEDTO MIN. DEPTH OF 3.5 FEET WITHIN THE NATIVE
GRAVELY LOAMY SAND & BACKFILLED WITH 24-INCH SAND FILTER LAYER AND BACKFILLED
WITH 12" NATIVE COVER OVERTOP OF CHAMBERS.
Ix
1 1/4" PVC SCHD-40 CUSTOM PERFORATED PIPE DISTRIBUTION LATERALS. DRILLED 3/16-INCH DIA.
ORIFICES EVERY 2.5-FEET ALONG THE PIPE; PLACED ON THE TOP OF THE ABSORPTIVE SAND
SURFACE SECURED W/ WIRE STAPLES.
ORIFICES ORIENTED BETWEEN THE FIRSTAND LAST UPWARD (12 O'CLOCK) CHAMBERS. FIRST
AND LAST 3/16" ORIFICES ORIENTED DOWNWARD AT BOTH ENDS OF DISTRIBUTION LATERAL.
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1
x
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x
GRAPHIC �CALE
10 ❑ 5 1D 2D
j IN FEET j
finch =10 ft.
1250 Gallen Top Seam - 2CP
IUOT W"H, with High Head Pump
47'
• - Tap
DESIGN NOTES 4•�� �` f
View
• Design per performance test per ASTM �` �,= •- �.
C1227
■ Top surface area 56.25 ft'G1rrAmW
• f c 0 28 days; concrete - 6.000 PSI
Min. 60'
Installation:
■ Tank to be set on 5" min. sand
bed or pea grovel 7Ml[
• Tank to be bockfilled uniformly on
all sides in lifts less than 24" and
1
mechanically compacted-i -:
■ Excavated material may be used for
bockfill, provided large stones are
removed 24" Minimum
4 Excavation should be dewatered and Riser Height
tonk filled with water prior to being
put in a"ce for installation wrth Who to uickDbraortnect
water table less than 2' below grade
■ Meets C1644-06 for reailient PWW BsIl Vfadlle
connectors
■ Inlet and Outlet Identifled above pipe BOA
■ Delivered complete with internal piping Dbdmp
How
Control Panel to be mounted in sight •K• = . _..' ' r ' ..
line of tank
bw
• 4' Maximum bury depth t 1 �Rub ,
ALLOWABLE BURY
(Based on Water Table)
WATER TABLE
ALLOWABLE
EARTH FILL
1'-a"
6, 0,
2' 0'
3'-0"
DRY
4' - O`
PLnp
EpMws Ta dicta hVrL' m Ott
e crtvkft 111IN III twlrlftp. Der K
noun tp srtd smrt-W proasdirasj
•Ser►ft cw"11:s ammillift Ibrffmd?benertos• � y
Digging Specs Invert Dimensions Net Capacity Net Weight
Min.
13' Long x 7' Wide Inlet Outlet Length Width Height Inlet Side Outlet Total Lid Tank Totol
56' below inlet $ " $4'arT 136' 60" 92' 843 gar 415 gal 1259 gai 3120 Ibs 10800 Ibs 14200 Ibis
0 VALLEY
PRECAST, Inc.
Buena Vista, Colorado
Phone: 7'19-3954764
Fax: 7�19-395-3727
Website: www.valleyprecast.oam
Email: tantdesk@valleypre�toom
I
OWTS. SEE SHEET C-2.0 10'
r-0.6 PP-2
]13
INSTALLED 2-COMPARTMENT 1250-GALLON CONCRETE SEPTIC TANK
(VALLEY PRECAST ITEM # 1250t-2CP-HH)
INSTALLED WITH (2) 24" DIA. BY 24" DEEP RIBBED PVC RISERS W/ LIDS AT
THE SURFACE. INSTALLED ORENCO SIMPLEX EFFLUENT PUMP ASSEMBLY.
(PVU57-1819-L) W/P300511 PUMP), W/ 1.25" DISCHARGE ASSEMBLY.
DEPTH TO TOP OF TANK FROM PROPOSED GRADE IS APPROX. 1.75'.
INSTALLED UNDERGROUND ELECTRICAL & CONTROL
WIRES IN CONDUIT FOR PUMPS
ORENCO (MODEL 5-1) PUMP CONTROL PANEL
]13 ETC ET[ ETC
1-BEDROOM
DWELLING
r+•s
cr.,
FEE: + 0.5' ABOVE FIG,v -
%V)-- 2-WAY CLEAN OUT
4" SCHD-40 GRAVITY SEWER
1.25" PRESSURIZED PIPE INSTALLED @ 2%
MANIFOLD PIPE.
12,235 sq. ft. 0.280 acres
6129
5128 - - - -----------
1 61-29
WIRE
FENCE
6128
xx x
CONNECT 1.25" TRANSPORT LINE
TO 1.25" PRESSURE MANIFOLD. TRANSPORT PIPE INVERT MIN.
2" HIGHER THAN INVERT OF MANIFOLD TEE CONNECTION. USE
45°OR 22,5' FITTINGS.
1.25" SCHD-40 PVC PRESSURE MANIFOLD W/ INDIVIDUAL
1.25" TEES OR ELBOWS TO 1.25" CUSTOM PERFORATED
DISTRIBUTION PIPE
CHAMBER END CAP
- ` - l
a. F.
i-12'�
ROCKFORD DITCH
LATERAL SYSTEM
RECEPTION No.
23639
6227
x
TYPICAL YARD LANSCAPED OR AGGR ATE PAVED SURFACE
FACE
6' MIN.
EXCAVATED MATERIAL COMPACTED
TO 90% STANDARD PROCTOR
4"TVl
SUITABLE BACKFILL OR CLASS 6 ROAD BASE
4" T!�q
TRENCH CROSS-SECTION FOR
SDR-.35 HDPE OR SCHED-40 PIPES
N.T.S.
SEED AND MULCH FINISH SURFACE
CROWN FIELD TRENCH TO (MAINTAIN SUITABLE VEGETATIVE COVER
DIVERT SURFACE WATER
TOPSOIL 1.25" SCHD-40 PVC
r- EXISTING GRADE �DISTRiBUTION MANIFOLD
' Design Calculations OWTS GENERAL NOTES:
Design Calculations OWTS 1. THE OWTS A5 SHOWN ON THE PLAN AND THE DETAILS WERE DESIGNED BY 50PRI5 ENGINEERING.
Installation of an OWTS with a minimum 3-bedroom capacity. 2. THE PROPOSED LOT CONDITIONS AND SURVEY INFORMATION BY SOPRIS ENGINEERING AND OTHERS
From County adopted State Regulation 3, THE EXISITNG LOT CONDITIONS PER COUNTY GIS DATA BASE, AERIAL MAPPING, LIDARTOPOGRAPHY AND SURVEY
_ Minimum population based on 3 bedrooms = 6 persons. INFORMATION BY 50PR15 ENGINEERING
-_ First 3 bedrooms (2 persons/bedroom) Over 3 bedrooms (1 person per bedroom)
ti Gallons per day per person =75 gal/person/day, No peaking factor 4. PRIMARY OWNER NAME AND ADDRESS: MACE, DAVID DYLAN
Max. Design flow (Qd)gallons/day = (# of people) x (avg. flow)gal/person/day. 88 CEDAR ST
CAR.BONDALE. CO 81623
Design flow Qd - 6 75=450 gpd
I
5.
LEGAL SUMMARY: COOPERTON TWNSTE. BLOCK: 9 LOT: 15 AND 16 INCLUDES LOT D
Septic Tank Design: Used a 1250 gallon, two compartment septic tank with a bio-tube dosing assembly in
WATER SERVICE PIPE
the second chamber.
6.
SITE ADDRESS: 88 CEDAR 5T, CARBONDALE, CO 81623
Sub Surface Conditions and Testing:
7.
Parcel Number: 23932940901E
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Subsurface soil investigations and USDA soil texture method tests were performed by Sopris Engineering on
S.
GARFIELD COUNTY PERMIT#: SEPT-6424 ISSUED 09/20/2020
April 6, 2020. The soils in the area of the proposed absorption field were sampled and characterized by
5
application of the USDA soil texture method test. The soils were tested to determine the hydraulic loading
9.
CONTRACTOR:
rate and to confirm the appropriate absorptive surface level suitable for an intermittent sand filter
w
w treatment system in native soils. The soils below nil to 3 inches of topsoil consist of medium dense gravelly
loamy sand to sandy loam material to 0.3 to 4 feet belowthe surface. The soil appears to be consistent
across the site.
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The native soils sampled from 1-2 feet below the surface are characterized as a soil type 1 consisting of
loamy sand to sandy loam texture with moderate granular structure. Soils below 2 feet are increasingly
rocky becoming R-1 soils with more than 30% rack content smallerthan 3/4". This soil has an effective
loading rate for conventional soil treatment of 0.8 Gal/S.F./day, for a level 1 conventional treatment system.
Due to limited area, rock content and to provide optimal treatment an intermittent sand filter is
recommended. No free water was encountered in excavations on site. Groundwater levels are expected to
be below 10 feet from the existing surface grades.
A The soils are suitable for the installation of a sand filter treatment bed system that was fully pressure dosed
and utilize 24-inches of washed concrete sand.
Intermittent Sand Filter Treatment Unit/Absorption System Design:
I
The treatment/absorption field was designed based on utilizing the effective Long Term Acceptance Rate
(LTAR) for an intermittent sand filter treatment system utilizing pressure dosed distribution laterals and
_
gravelless chamber units as distribution spray shields. The new treatment system consists of a fully pressure
dosed sand filter Treatment bed System with a 24-inch layer of filter sand (ASTM-33, "Washed ASTM-33
Concrete Sand").
I, .. GRAVEL"
.:.
DRIVEiAIA -
~'
Long Term Acceptance Rate (LTAR)
Considering the application of the new state regulation 43:
Receiving Wastewater Treatment Level 1; loading rate for sand filter is (0.8 gal./S.F./day) for the minimum
µ.
=- '-
24' depth of secondary sand treatment media;
__ - .: .; •.. _ :
Loading factors; (Table 10-2, pressure dosed application bed = 1.0)
EXISTING
A(sf) = Qd.: A = Area;
C12 CMP
UULVERT
•}
LTAR LTAR = 1.0 Gal/S.F./day for secondary sand, ASTM-33, "Concrete sand"
ti _ _
-
Qd = flow (gal/day) = 450 gpd
LF.1=1.0 pressure dosing
0-c
A(sf) = 450 gpd x 1.0 = 562.5 S.F.
0.8 Gal/S.F./day
Excavated a single 47' by 12' bed to a maximum 3.5' depth below finish grade. Backfilled with 36-inches of
ASTM-33, concrete sand. Installed 3 rows of custom perforated 1.25-inch distribution lateral on top of sand
layer in the bed and cover with 10 Quick-4 Plus chambers per row for use as pressure dose spray shields, as
delineated on the plan.
x
W W
Pump Selection for a Pressurized System - sinale family Residence project
Mace Residence 88 Cedar, 1450 gpd. P3011. PDSF
Param4tQrs
and
DiscnargeAasemblySize
1.25
Inches
Tran s port Len gth
11
feel
Transport Plpe Class
40
Transport Llne Size
1.25
Indies
DlstntwbngvatveModel
None
Max Elevation Lift
5
feel
Manl101dl-eng1l
a
feel
s5p
Manifoldpipe Class
40
Manlfolit Pipe Sim
1.25
Inches
NumGer gf Laterals per Cell
3
Lateral Lengm
42
feet
LatefalPipe Class
40
Lateral Pips Size
1.25
Inches
Dnace Sire
3116
Inches
0r04,eSpacng
2.5
feel
Residual Head
2.5
Zel
xoe
FTowMeter
None
Inches
'Ad"sFnchanLosses
0
feet
CdtCGEdilan5
Cxp
MlnlmumFlow Rate Per Onflce
0.69
gpm
F
Numb er of Orifices per Zone
51
Tow now Rate per zone
35.6
gpm
rd4
NumiFef of Lffieral s per Lane
3
L7
%FIpwDllfereniallstLasfOrlgce
5.2
9G
E
Tranaporl Velocity
7.7
Tpa
Frictional Head Losses
a
Loss through Olscharge
9.9
feel
h
Loss In7ranspofl
1.7
feet
Lassmroughvatre
TO
feet
rid
Loss In Mangold
0.3
feet
Loss In Lalarals
0.3
feel
Loss through Flowmeter
0.0
feel
'Atld-on'Frlctieo Losses
(.t]
feet
Pipe Volumes
Vol of Transporl Line
0.9
gals
Vat of Manifold
0.6
gals
da
vat or Lalerals per zone
9.8
pats
Total volume
113
gals
Minimum Pump Requirements
Deslgn Row Rate
35.0
gpm
TnlalOynamicHead
10.7
feet
12" - 38'
MIN. - MAX.
0.5' (TYP.)
24"
u
UNDISTURBED EARTH -
SCREENED BACKFILL:..-'-,:1 COSTUME PERFORATED PRESSURE PIPE WITH
NATIVE SOIL y 24" [ •''.:. ORIFICES AT 12 O'CLOCK
1.25" TEE CONNECTION
SECURE PIPE WITH PUSH IN INTERMITfENTSAND FILTER LAYER EFFECTIVE 5f2E
r STAPLES,` ..: Q.ZS-0.6 MM, WITH UNIFORM. CO€F.=<4.0 U5€
QUICK-4 INFILTRATOR I -
/ CONCRETE SAND-ASTM-33
OR EQUAL BIO DIFFUSER /\///�\/\ / MACHINE COMPACT AND LEVEL TOP SURFACE
SPRAY SHIELDSL Z
PRESSURE DISTRIBUTION 12'-MIN•
PIPE CONNECTED THROUGH END CAP NOTE: NATIVE GRAVELLY LOAMY SAND SOIL
CUSTOM PERFORATED DISTRIBUTION WITH COBBLES
THE INTERMITTENT SAND FILTER BED MUST BE LEVEL, INSTALL CHAMBERS WITH INLET AND
LATERAL PIPE END CAPS OVER SAND LAYERT FOR USE AS SPRAY SHEILDS. INSTALL INDIVIDUAL
DISTRIBUTION LATERALS TO THE HEAD OF EACH CHAMBER ROW FROM A MAINIFOLD
SCARIFY/TILL BOTTOM SURFACE AND CONNECTING EACH CHAMBER ROW. CUSTOM PERFORATED PIPE TO BE LAID ON TOP OF
EXCAVATION SIDE WALLS THE SAND LAYER WITH ORIFICES ORIENTED UPWARD EXCEPT THE FIRST AND LAST ORIFICES
TO BE ORIENTED DOWNWARD. INSTALL A 4" VERTICAL INSPECTION RISER FROM THE
MOLDED CUT OUT ON THE LA5T CHAMBER IN EACH ROW. INSTALL A BALL VALVE AT THE
END OF THE DISTRIBUTION LINE ACCESSIBLE FROM THE INSPECTION PORT TO ALLOW
FLUSHING OF THE LINE. THE VALVE IS CLOSED FOR NORMAL OPERATION.
P T�S'�SU�T �D���Td I �1/_T_r�'1�1� _�TTT����T r���_�']� T1LTT1R <y �'YT�'-11�
26 30 39
Net Discharge (gpm) R
MACE 88 CEDAR EFFLUENT DISCHARGE TO SAND FILTER BED
DOSING CALLS
TOTAL VOL 1.25" TRANSPORT PIPE
0.7
GAL
SU M TOTAL PI PE/DRAIN BACK VOL
0.7
GAL
VOL 1.25" MAINIFOLD PIPE
0.5
TOTAL VOL 1.25" DISTRIBUTION LATERALS
8.0
VOL TO DELIVER 4X DISTRIBUTION LATERALS
32.1
GAL
TOTAL VOL All PIPES, + DRN BACK
8.7
GAL
TOTAL VOL PER PUMP CYCLE (4X LAT VOL)
40.9
VOL 2ND COMP 1200 GAL TANK GAL
416.0
gal
DOSING COMPARTMENT STAGE VOL GAL/IN
8.5
GAL/IN
ON/OFF FLOAT SPREAD SETTING
4.8
IN
MIN DESIGN PUMP DISCHARGE RATE
35
GPM
PUMP RUN TIME
1.2
MIN
MIN PUMP THE TO DELIVER DOSE
0.9
MIN
PUMP TIME TO FILL PIPES
0.2
MIN
DEMAND DOSE FLOAT LEVEL SETTINGS 1000 GAL SECOND COMP
TANK
BIO TUBE FILTER (PVU57-1819-L W/P300511 PUMP)
FLOAT / LL BELOW TOP OF TANK
DEPTH LL FIR BOT
FLOAT FR TOT
STAGE ABOVE BOTTOM INT TANK
IN
IN
HIGH LIQUID LEVEL INV IN
49
64.0
3RD FLOAT HL ALARMIOVERRIDE
46.0
18.0
2ND FLOAT PUMP ON
43.0
21.0
1 ST FLOAT REDUNDANT OFF
38.2
25.8
Orenco 'Systi wW
Incorporated
rairnKl'?4 dry lk y zlr
IYfi.W Lbn Srnrrawr�
Syevm U_•.e -
hmn tm.e
6yenrcy, Parr 0
0.s9n Pent C)
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i OPRIS ENGINEERING, LLC.
CIVIL CONSULTANTS
502 MAIN STREET
CARBON DALE_ CO 8 162 3
(970) 704-0311
FAx: (970}7fl4-0313
DESIGNED BY
PER
11/26124
DRAWN BY
PER
04/17/20
CHECKED BY
YTN
12/17/24
DATE: DEC 31, 2024
JOB NO. 19219.01
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DATE REVISION
TITLE.
OWTS
AS -CONSTRUCTED
PLAN
DRAWING NO.
C-1.0