HomeMy WebLinkAboutCT 04-15; LA COSTA GREENS NEIGHBORHOOD 1.07; SEWER STUDY; 2005-03-08HUNSAKER
^ASSOCIATES
PLANNING
ENGINEERING
SURVEYING
IRVINE
LOS ANGELES
RIVERSIDE
SAN DIEGO
DIECO, INC.
SEWER STUDY
for
LA COSTA GREENS
NEIGHBORHOOD 1.07
in the City of Carlsbad
Prepared for:
Morrow Development
c/o Morrow Development
1903 Wright Place
Suite 180
Carlsbad, CA 92008
DAVE HAMMAR
LEX WILLIMAN
ALISA VIALPANDO
DAN SMITH
RAY MARTIN
10179 Huennekens St.
San Diego, CA 92121
(858) 558-4500 PH
(858) 558-1414 FX
www.HunsakerSD.com
lnfo@HunsakerSD.com
W.O. 2352-117
March 8, 2005
Hunsaker & Associates
San Diego, Inc.
Raymond L. IVIartin, R.C.E.
Vice President
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DB:kc mswor(i\h:\reports\2352\117 greens 1.07 sewertaOl .doc
wo 2352-117 3/8/2005
La Costa Greens, Neighborhood 1.07
Sewer Study
TABLE OF CONTENTS
SECTION
Design Criteria i
Sewer Input Data and Performance 11
Sewer Study Map ill
DB:sj msword\h:\rBports\2352\117 greens 1.07 sewer\a01.doc
wo 2352-117 3/8/2005
La Costa Greens, Neighborhood 1.07
Sewer Study
Design Criteria
Dwelling Units
Demand
Peak Factor
IVIaximum Depth
Roughness, n
21
220 gal/cap/day
2.5
0.50 diameter
0.011 for PVC
Sample Calculation
Peak Flow = Dwelling Units x Demand x Peak Factor
Peak Flow = 21 units x 220 ^^'/unitday x 2.5
Peak Flow = 11,550-V., ( 646.1of^V )
Peak Flow = 0.0179 cfs
DB:s] mswonj\ti:\reports\2352\117 greens 1.07 sewel^a01.cloc
wo 2352-117 3/8/2005
W.O.
BY:
LA COSTA GREENS
NEIGHBORHOOD 1.07
2352-117
MJ
SEWER STUDY SUMMARY
SH
DATE
OF
3/7/2005
REFER TO DWG. NO.;
LINE* FROM MH TO MH DWELUNGS
PER LINE INJJNE D.U.'S PEAK/AVC.
RATIO
PEAK DESIGN FLOW LINE SIZE
(INCHES)
DESIGN
SLOPE (S) 4i (FEET) dn/D VELOCITY
(FPS.) COMMENTS LINE* FROM MH TO MH DWELUNGS
PER LINE INJJNE D.U.'S PEAK/AVC.
RATIO MSD. CFS.
LINE SIZE
(INCHES)
DESIGN
SLOPE (S) 4i (FEET) dn/D VELOCITY
(FPS.) COMMENTS
S-1 3 2 7 7 2.5 0.004 0.006 8 2.00 0.03 0.04 1.28
s-2 2 1 8 15 2.5 0.008 0.013 8 4.73 0.03 0.05 1.95
S-3 8 7 2 2 2.5 0.001 0.002 8 2.86 0.02 0.03 0.55
s-4 7 6 7 9 2.5 0.005 0.008 8 4.36 0.03 0.04 1.64 S-5 6 5 5 14 2.5 0.008 0.012 8 5.60 0.03 0.05 1.82
s-6 5 4 4 18 2.5 0.010 0.015 8 8.00 0.03 0.05 2.34
S-7 4 1 0 18 2.5 0.010 0.015 8 3.36 0.04 0.06 1.80
S-8 1 2 BB* 2 35 2.5 0.019 0.030 8 1.47 0.07 0 10 1.64 •SEE LA COSTA GREENS NEIGHBORHOOD 1.07 BACKBONE SHEET 4
**SLOPE IS LESS THAN 2% DUE TO CONSTRAINTS WITH
CONNECTIONS TO EXISTING UTILITIES
S-9 2 BB* 1 BB* 0 35 2.5 0.019 0.030 8 1.01 0.07 0.10 1.64 •SEE LA COSTA GREENS NEIGHBORHOOD 1.07 BACKBONE SHEET 3
"SLOPE IS LESS THAN 2% DUE TO CONSTRAINTS WITH
CONNECTIONS TO EXISTING UTILITIES
S-10 10 9 10 10 2.5 0.006 0.009 8 2.00 0.03 0.05 1.30
S-11 9 8 BB* 8 18 2.5 0.010 0.015 8 2.00 0.05 0.07 1.42 •SEE LA COSTA GREENS NEIGHBORHOOD 1.07 BACKBONE SHEET 7
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