HomeMy WebLinkAbout1989-11-08 Replacement Septic System DesignPUMP STATION REQUIREMENTS
J. MANIFOLD DISCHARGE ELEVATION �'✓CO. FT J-1
ELEVATION AT PUMP FT J-2
DIFFERENCE (J-1 minus J-2) IFT (ELEV. HEAD) O
R. DISCHARGE LINE LENGTH (PUMP -TO -MANIFOLD)
DIAM INE DIAMETER (BETWEEN PUMP
�( 1.5' 12" typ.) AND MANIFOLD)
FRICTION LOSS PER 100 FT OF PIPE:
(FRICTION LOSS IN FT/100 FT, PVC)
BR'S
GPM
1.5" PVC
2" PVC
,►*tf:f
::,ram*
****:�:*
*�stf�*
3
26.6
4.21
1.25
3+10%
28.8
4.87
1.44
4
37.7
8.
2.37
4+10%
40.0
8.91
2.64
5
44.4
1 1
3.20
5+10%
53.3
---
4.50
P
INCH
�II
O �
X . FT/100 FT O
1.25 x WO x OX / 100 = HEAD LOSS DUE TO PIPE FRICTION
1.25 x •C1� x / 100 = 0 OY
1 7, C, X X
L. ADD 5.0 FT BY DEFINITION FOR LOSSES IN LATERALS/MANIFOLD
TOTAL HEAD REQUIREMENT = 5.0 + (V +(Y)
= 5.0 + ' S + _ = 2 2 FT HEAD REQ' D
MINIMUM REQUIRED PUMP RATING:
Z
L
GPM AT 1(p FT TOTAL HEAD
rv{,
1 _
SIDE 2
C. /(o
art .- ••_� �'a�v�+"�
SITE ADDRESS 7o /
j' i c K S +t `
_ INSTALLER
PRESSURE
DISTRIBUTION SYSTEM
WOFRSHEET - RESIDENTIAL
A. Number of laterals O
B. Perforation spacing ft O
C. Rock layer length f' ss 2 ft = ft O
(total length i.f end load)
(h total length if ctr load)
D. Number of spaces between perf's = C@ / OB = spaces O
E. Number of perf's per lateral = OD + 1 = perfs /lat. SO
F Total perforations = OA x V, _ _perforations
G. Flow rate per perf: If 1/4" perfs, use 0.74 gpm �^
If 7/32" perfs, use 0.56 gpm
*
H. Required flow rate = D x Go
STANDARD REQUIRED FLAW RATES (1/4" perfs, 3' spacing)
Rock Bed Length
37.5'
40.0' 1 50.0'
55.0'
163.0'
70.0'
Bedrooms
3
3+10t
4+10$
5
5+10$
Total # perfs
36
39 51
60
72
REQ'D GPM
26.6
28.R
37.7
40.0
)44.4
53.3
TO REDUCE REQ'D FLOW RATE:
1. Use 7/32" perfs instead of 1/4" (Reduce GPM by 25%)
OR
2. Reduce number of perfs by increasing spacing between perfs
(Maximum spacing allowed = 5.n') (Re -calculate A thru H)
MAXIMUM ALLOWED PERFS PER LATERAL.
End load Center load
Perf spacing, ft
Lateral diam.: 1.5"
2.0"
*
1.5"
2.0"
2.5 - - - - -
- - - - - - - - - 18
28
*
9
14
3.0 - - - - -
- - - - - - - - - 17
26
*
,*�
9
13
3.3 - - - - -
- - - - - - - - 16
25
*
*
8
13
4.0 - - - - -
- - - - - - - - - 15
23
*
8
12
5.0 - - - - -
- - - - - - - - - 14
22
*
;
7
11
SIDE 1 OF 2
500/4
Features
Pump Impeller is recessed
type — operates completely
out of volute passage giving
full opening for flow of liquids
and solids.
Motor Housing is heavy cast
iron. Stator is pressed in for
perfect alignment, best heat
transfer.
Accessories
Powerful 4110 HP Motor is
oil filled for ggood insulation and
lubrication of bearings and seal.
Overload protection built-in has
no starting switch or relay
mechanism.
Thrust Washers and Sleeve
Bearings are oil lubricated for
smooth operation, long pump life
Myers offers a wide selection of accessory items for use with
the SSM4 pumps: adjustable level controls, wet sump controls,
alarm controls, electrical control boxes and switches, heavy
duty check valves, polyethlene and fiberglass basins, etc.
O
Automatic controls Control boxy
.;,;..LJ
Rotary Shaft Seal has carbon
and ceramic faces for positive
seal. Body is stationary, prevents
string or trash from winding
on seal.
Switch Housing (SSM4A) is
completely sealed from sump
liquid, easily removed for
replacement if needed
Dimensions
Mercury Switch 20 AMP rating,
3' cylinder, 90' angle opera•
tion, polypropylene material.
Minimum recommended Tether
length is 33/4- from cord clip to
switch case (Pump Down 7.13-),
'Pump Down' can be increased
by increasing the Tether length
Performance Curve
• w=
•�. :y •+ -r1'Y LaTFJM NEIt IfIRlTit r:'��,�'• ..a..
0 20 40.' W , 111[�'100 12D -s40' 1Iq .'!0 200�220 910 t,�
.� .. a•
22
0 a
100 3
a 2
4-
0
0 S 10 15 20 25 30 35 40 45 50 55 e0
CAPOO" GAUONa PER MMUTE
Performance Table EE�
feet i 2 4 6 8 10 1 12 14 16 18 1, Z F
Total
Head I Metes I 61 112 193 241 3 05 366 4 27 498 549 E . f
gallons Per Hour 3,600 3.600 3450 3.300 3.150 2.900 2.550 1.250 1,800 1.300
Liters Per Hour 13.625 113.615 13.058 12490 11.923 10.976 9,652 8.516 6.813 4.921 2
Performance Capabilities _.
Capacities to 60 GPM 211 lPM
Heads to 24 feet 7.32 meters
Pump Down Range 7 to 14 inches 177.8 to 355.6 m
Solid Handling Capability 3/, inch dia. solids 19.1 min dia '1
Liquids Handled Fresh, drainage effluent waste lath,
Intermittent Liquid Temp. 1501 66-C
Motor Vic HP
Electrical 115/230 V., 12.0 A/6.0 A, 16, 60 HerC
Discharge Ili inch 38.1 mm
'A,froma!a MDde mwnyai pump gnatrie w" wMenf
F E MYERS. a Pentair company
400 Orange Street. Ashland, OH 44805-2285
419/2e9-1144, Telex 9e-7443
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