HomeMy WebLinkAboutBLD1991-00320IA
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DRAINFIELD NOTES: j ')
(PRESSURE) )IQ� /
The system must conform to Jefferson Cc" Aeallh Deparinsent ngolanow and "AA t
standards for pressure distribution. /
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This system is designed to accommodate ¢allons per day.
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This system is not designed for a garbage disposal.
Topography and stub .,It elevulions are based on assumed data
If a change is planned that will affect or alter the sewage system plan, call 4734491.
If a stubout irupection by the designer is rcqulrcd prior to releasing the Installation permll.
If plumbing statical is not available or clearly marked an additional Inspection may be
required, for an additional cost.
A septic lank or wet well located under a driving surface must meet D.O.T. II-1.0 loading
standards
SRa — MAY. SOLIDS \ V• S ERE — 1150 PIN
The building sewer line must meet ASTNI D-3034 standards - - - -- -
a
No excavation or wit moving in the dralnneld oreas
r.
Dralnneld lines will be L" plastic pipe pressure rated (class) installed level,
following contours. Trench installation mast follow french detail. m
If laterals are manlfolded in the middle, the first orfflce on colter side of the manifold will
be one-half the orifice spacing. s a
r
Dralnlines most be covered by approved synthetic niter fabric a
Encroachment of improvements In the primary or reserve drainneld areas nwy cause the °
site to be unusable. .
If sewer lines and water lines cross, the water one must be Is Inches above the sewer line
d ased 1 another i The crossing must be at the middle of lire encased pipe °
i,
41111
PERFORATED
PLASTIC PIPE
WASHED GRAVEL -
an enc n a o P pe.
section.
Sewer lines under roads must be encased in pipe with a crush strength of at least low LEGEND
pounds. — )' PERF. PVC PIPE
Pressure testing of the dreinneld system is required for PAC-TECII approval. Arrangements — -_. — RESERVE AREA
must be made to provide water and power to the system for testing. Verification of distal
head will be made by measurement or arince discharge.-}i-'F+44 TIGHT LINE
The pump will be a HYDR-0-MATIC �"- or equivalent. Wei well capacity will be �_� SEPTIC TANK
,x 000 ¢ullons. Pump controls will be set to doseZ 2 S canons per cycle at O SOIL L O G
2 cycles per day. The high water line alarm will activate when �ullons have
accumulated 0 BENCH MARK
The pump must be protected by a screen with foe following specifications: hi" mesh, non PUMP PRESSURE LINE
corrosive material, at least 12 sq. f. of surface area, does not Interfere wllh switches or F 70) 1 ¢nun a L.rrrr ,.. r-, ,
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Site conditions are marginal. The proposed sewage
disposal system is designed to accommodate sewage
flows based on these conditons. Life of the disposal
system is not known. Pac — Tech cannot provide any
guarantee. Do not install system when moisture
content is above the soil's plastic_ limit.
J
TRENCH DETAIL
FOR PRESSURE DISTRIB`JTION
N. T. S.
Pressure Calculations
Ileadloss' (C-u )
Elevation From To I—
Transport Pipe ��})�� Class 27a
= S-/ '
Manifold Pipe Class<l-1l
Lateral Pipe / "�/,L' Class:!-0
Dislal (lead
Total Friction Loss
= 1=
Flow:
Dose Volume to beallom; per dose, At 2
doses per day. Pump Tank e�lty, is , 0 ¢alions.
Flow to serve all laterals Is ^ _;tallon.s per minute.
Alarm set to activate at 300 ¢.Ilona.
if
200 pipe i� I
Ivert (steel) 3 feet dealt
`1�- istio9 Sewage
SYstem (To Be Abandoned)
f J'y _--.--- —fix, sting P02P Tang
(To Be Abandonedl
/O_�
ing Septic Tank -�. F .g. O
"IFg Three
Bedraart Residence
/ a r3 t-1, = too
C/ too IZr�A�Z+ARP
11'Or- OF 3Ah K
11 0-12'
Brown
Loamy Sand (Fill)
41
D-14'
Dark
Brown
Gravelly Sandy Loam (Fill)
12-24'
Dark
Brown Gravelly Sandy Loam (Fill)
14-32'
Blue
Silty
Clay (Fill)
24-40'
Tan Gravelly Sandy Loam (Fill)
32-48'
Very
Dark
Brown Silty Loam
40-48'
Very
Dark Brown Silty Loam
48-56'
Blue
Clay
48-54'
Blue
Silty Fine Sand
East
end of
hole shoved cobble (Fill) at
16-30'
2) 0-20'
Brown
Loamy Sand (Fill)
20-28'
Dark
Brown Gravelly Sandy Loam (Fill)
51
0-6'
Brown
Loamy Sand (Fill)
28-42'
Very
Dark Brown Silty Loam
8-20'
Dark
Brown
Gravelly Sandy Loam (Fill)
42-56'
Blue
Clay
20-42'
Very
Dark
Brown Silty Loam
42-51'
Blue
Clay
3) 0-26'
Brown Loamy Sand (Fill)
East
Side
of Hole 12-30' Cobbles (Fill)
26-34'
Dark
Brown Gravelly Sandy Loam (Fill)
34-43'
Very
Dark Brown Silty Loam
61
0-24"
Dark
Brown
Gravelly Silty Loam (Shalel(Fill)
43-53'
Blue
Clay
24-40
very
Dark
Brown Silty Clay Loam
40-48'
Blue
Clay
7)
0-6'
Very
Dark
Brown Silty Loam (Fill)
6-36'
Dark
Brown
Gravelly Silty Loam (Shale)(Fill)
36'
Very
Dark
Brown Silty Loam
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