HomeMy WebLinkAbout3184; CANNON ROAD WEST; EXECUTIVE SUMMARY; 1989-04-01t o
feet
800
OS
BRIDGE
PUMP STATION
:
I
-I 7_77 _•c-, .
LAGOON EDGE ALIG
14,
NMENT\ -- -
_.-
\\\
. 1T
:17 T1
CANNON ROAD ALIGNMENT
\\
\
\\ • \• •\ \ -----PROPOSED SEWER LINE
FIGURE 3. PROPOSED ROUTES OF CANNON ROAD AND THE SEWER LINE
I al 1w to 11
R-1739
. " PROS AND CONS FOR PROPOSED -
CANNON. ROAD'VPUMP STATION :
FORCE MAIN ALTERNATIVES
LAGOON iEDGE ALIGNMENT (LEA)
PROS " CONS
Pump'.stationVconstuctidn" 1., Environmental 'irpacts will
costs will be $500,000 (12%) require some mitigation
:lessthanCRA. 2.Force main breaknear lagoon.
By year, 15,, annual operating' V would allow'iess'respónse
V and'maintenance costs will'*.be time and fewer containment
$400,000 (43%) per year less: options. • V
V
than 'CPA. V V V V
V 3• Force main location does not
3. By yeâr15, total costs will- allow for easy access for
V V
V be $21,900, 00& (?5%) "less necessary maintenance. V
than CPA costs 4 Proximity to wetlands holds
.4. Lower operating pressure - V the potential' for adverse,
V
V
than CPA (46,,,, psi vs. V77 psi), impacts to 'sensitive
resulting' in: less -likelihood '. resources and would be
Of pipeline failure., •V .,inconsistent with those .
5. Lbwer horsepower required , policies df:the Agua V V
(75 'Hp vs.. 130 Hp). Hedionda Land Use Plan. V
6 V
Special surge control not V
5 Longer force main than CPA
required... V'V V
' '
V V (4500 ft vs.' 2000 ft).
4Continuously rising force 6.'May'be V difficult construction
main would allow force main ., due to high. water table.
air injection for odor.- V
control."
Redubed.length of -.30-inch .. '
'. .• " ' ' sewer by 1,100 feet V
V V , , •'V" , 'V
'
- :. .
V V .
. 'V• ,\ V V 'V. V ' V •' • V
V V ,' .' '
'' . - V •?' ,
I ,
4
I
V
V 'V •' ' V 'V V
*
kf
LUKEDUDEK
PROS AND CONS FOR PROPOSED. .
CANNON ROAD PUMP STATION . •:.
FORCE MAIN ALTERNATIVES -. S
CONTINUED
CANNON ROAD ALIGNMENT (CRA)
PROS CONS.'..
1. Alignment in road, reducing Pump station construction
alignment impacts. -costs will be $50001000 (14%)
.2. Shorter force main than LEA ..' higher thànLEA.
(2000 ft vs. 4500 ft).. . By year: 15, annual operation
Force main break in Cannon and maintenance- costs will be
Rd. would allow more response'.:$400,000,'(76%) more per. year.
time and containment options than LEA. .
than LEA. .. . -.. 3.. By year 15, total costs will
Continuously rising force be $2,900,000 ..(34%) .inorethan
would allow force main air . LEA costs.
injection for odor control. 4. Higher operating pressure
(77.psi.vs. 46 psi) thanLEA,
increases the risk of
S .- . . . accidental breakdoins and
- . : potential Impacts to the
Iagoon at the pump end of
line
-5
.• 5. Higher hOrsepower required
- • - (130 Hp vs. 75Hp).
.:,6. Additional surge control -
-: - - • - •- -_ may be required.
- - S -• - - 5 7.- Indreaed length of O-inch-
S sewer by :I100 feet.
LUKE DUDEK
• .• o'-• .. . -
.. .• . '•N I 0 S .0 .0
u0..
/
001%
000c
.- j- • . • . .
. . . -• .
• - .- ooe : S I
• . - . .1'.. 001'
• ..
- 5 . 0091 U -z
- . . - - 001*
61
.: • • .000*
.. 1.
0091
'--.5 • .5-•
• • -- ,• .
- U
= -' -IS .
wi
::o:
0091
ma I
• . .• : .: 009g 0 •
- _.•-_,
• SI, • 00,9.: :
x.
0019 ..
0009
• . - - - '-• - - - 0091
• - . .. - . . - 008 g
• . - . • S. 'J. U
• -- . . • 0001 . - - U
• - 95 - j
009
.5
r , . - 'e0• 0 -
. •
. -- -
I
005
16.
00*
'C
1-009
0 -0 0' 0 0 • 5'. - 0 5'.. N' . .. -.
• • 0 0 0 0 0 — — —. . — — S • •N .0
S ', . -- 0095
- p
0'
61
0009
I .' •-- -
- ' • 009* 0 't 'I
0 ' I Sce U' P -
p ' 10099
U 5 91
S 0
- - '
, -.i• 9 ,' - :
S U • 009*
1 U •
• ' - 'OOO*
0091
'5_ I S 0051
'S
-V S - - . - .• 00*9
S.
'p 0091
0009
H : — . • 00*1
I' - I
S 'S 00
,
91
0009
9. I 'u-'- • - - 0099
-s: ' '
0009
0091
0091
\ . 00*1 U \
0091
.:
It 0001
- -- . 00*
\-
\
- . - 0 • - .
009
00*
001
0
0 0 0 0
. . ANNUAL 0 & M COSTS
ENERGY .& MAINTENANCE
0.9 -.
•A
N .
N
A
L
0.7 C
.0
S
TM0.6 ____________________________
SI
L -.
L. 0.5 .
.
0.4
R
E
0.3
D
0
L
L 0.2—
A •
•R
S 0.1
• 0.0 _____________________________________________
1. 2 3 4 5 6 7 8 9 10 11 12 13 14 15
. YEAR ..
. .
. _I Lagoon • Cannon Rd. •
• Cannon Rd.
. Lagoon Cannon Rd. Increment
Tota' Operation & Maintenance:
Present worth C $1,091,300 $1,936,400 $845,100 more
CLsmJtative future money spent $2,867,400 $5,087,100 $2,219,700 more
•
. •
. LUKE-DLiI)EK
CITY OF CARLSBAD
SOUTH AGUA HEDIONDA
(CANNON ROAD) PUMP STATION
FORCE MAIN ALTERNATIVE ANALYSIS
LAGOON EDGE CANNON RD INCREMENTAL DIFFERENCE
DESCRIPTION ALTERNATIVE ALTERNATIVE FOR CANNON ROAD
Force main discharge et (ft) 87 170 83 more
Force main Length (ft) 4500 2000 2500 tess
Wet weLL water surface et (ft) 0 0 0 same
30" gravity Line Length (ft) 0 :.11.0,01 1100 more
Maximum TDH (ft), C = 120 106 179 73 more
TotaL Operation & Maintenance
Present worth $1,091 300 $1,936,400 $845 100 more
Cumulative future money spent $2,867,400 $5,087,100 $2,21.9,700 more
TotaL CapitaL cost
Present worth $4 138,400 $4,707,500 $569,100 more
CumuLative future money spent $5,692,500 $6,380,000 $687 500 more
Grand total: . . . . .
Present.worth . $5,229,700 . . . $6,643,900
.
$1.,414.;200 more
CumuLative futur.e money spent $8,559,900. $11,467,100 . . $2,907,200. more
LUKE-DLJDEK