HomeMy WebLinkAbout; Benefit Area Fees for Sewer Master Plan 1987; Benefit Area Fees for Sewer Master Plan 1987; 1990-12-01BENEFIT AREA FEES FOR
CONVEYANCE SYSTEM IMPROVEMENTS
UPDATE TO THE DECEMBER, 1987
CITY OF CARLSBAD
MASTER PLAN OF SEWERAGE
December 1990
Wilson Engineering
Consulting Engineers
TABLE OF CONTENTS
PAGE NO.
LIST OF TABLES iii
LIST OF FIGURES v
CHAPTER 1. INTRODUCTION 1
Recommendations 1
Summary of Changes 2
CHAPTER 2. FEE AREAS 4
Vista/Carlsbad Interceptor Basin 6
Benefit Area A 6
North Agua Hedionda Interceptor Basin 8
Benefit Area B 8
South Agua Hedionda Basin 9
Benefit Area C 11
Benefit Area D 11
Benefit Area E 13
Benefit Area F 15
TABLE OF CONTENTS (Continued)
PAGE NO.
Buena/San Marcos Interceptor Basin , 16
Benefit Area G 16
Benefit Area H 18
Benefit Area I 21
North Batiquitos Interceptor Basin 22
Benefit Area J 26
Benefit Area K 28
Benefit Area L 29
Benefit Area M 29
11
LIST OF TABLES
PAGE NO.
Table 1-1
Table 2-1
Table 2-2
Table 2-3
Table 2-4
Table 2-5
Table 2-6
Table 2-7
Table 2-8
Table 2-9
Table 2-10
Table 2-11
Table 2-12
Table 2-13
Table 2-14
Table 2-15
Table 2-16
Table 2-17
Table 2-18
Table 2-19
Table 2-20
Table 2-21
Summary of Benefit Areas 2
Improvements for Benefit Area A 6
EDU Information for Benefit Area A 7
Improvements for Benefit Area B 8
EDU Information for Benefit Area B 8
Improvements to the South Agua Hedionda
Basin Interceptor System 9
EDU Information for South Agua Hedionda Basin
Interceptor System 10
Improvements for Benefit Area D 11
EDU Information for Benefit Area D 12
Improvements for Benefit Area E 13
EDU Information for Benefit Area E 14
Improvements for Benefit Area F 15
EDU Information for Benefit Area F 15
Improvements for Benefit Area G 16
EDU Information for Benefit Area G 17
Improvements for Benefit Area H 19
EDU Information for Benefit Area H 20
Improvements for Beneift Area I 21
EDU Information for Benefit Area I 21
Improvements to North Batiquitos Basin
Interceptor System 23
EDU Information for North Batiquitos Basin
Interceptor System 24
Reimbursements for the Occidental/Ponto
Trunk 25
111
LIST OF TABLES (Continued)
PAGE NO.
Table 2-22 Reimbursements for the Ayres/Batiquitos
Trunk 25
Table 2-23 Improvements for Benefit Area J 26
Table 2-24 EDU Information for Benefit Area J 27
Table 2-25 Improvements for Benefit Area K 28
Table 2-26 EDU Information for Benefit Area K 29
IV
LIST OF FIGURES
PAGE NO.
Figure 2-1 Benefit Fee Areas 5
CHAPTER 1
INTRODUCTION
The City of Carlsbad sewer capacity fee includes improvements to the Encina
Water Pollution Control Facility, the Vista/Carlsbad Interceptor, the Lake
Calavera Hills Water Reclamation Plant and the Home Plant Lift Station.
Construction of the facilities funded by the city wide capacity fee does not
provide a sewer line to each of the City's growth management zones. Thus
there are a number of conveyance facilities which will need to be funded by
more than one growth management zone.
This report provides recommended boundaries for benefit areas for facilities
recommended in the December, 1987 Master Plan of Sewerage. In most cases
these facilities will probably be built by a developer. This developer will then
be eligible for reimbursement by subsequent developers within the benefit areas
established in this report. Reimbursement fees for the Occidental/Ponto Trunk
and Ayres/Batiquitos Trunk have also been included.
RECOMMENDATIONS
Adopt the benefit areas A through M and establish an estimated cost per unit
for development of the conveyance system in these benefit areas as presented
in Table 1-1.
TABLE 1-1
SUMMARY OF BENEFIT AREAS
Area
A
B
C
D
E
F
G
H
I
J
K
L
M
Number of Future
Units
1,470
644
1,445
2,891
5,447
1,524
1,692
4,836
1,334
2,300
390
1,323
2,538
Cost per Unit, $
279
491
407
785
803
879
76
514
285
982
1,981
776
38
SUMMARY OF CHANGES
1. Provide a second fee above the city wide capacity fee to fund conveyance
system improvements.
2. Provide a fee-based system for the construction of or reimbursement for
construction of conveyance systems to each sub-basin established in the
December, 1987 Master Plan of Sewerage.
CHAPTER 2
FEE AREAS
All costs presented in this report are based on facilities recommended in the
December, 1987 Master Plan of Sewerage. Costs for these facilities have been
increased based on an ENR-CCI-LA of 5,800. Where better data is currently
available on facility costs, other adjustments have been made. The number of
units in each subbasin is also based on information presented in the December,
1987 Master Plan of Sewerage. Unit counts have been updated to reflect
current development status and projections.
Figure 2-1 shows the boundaries of the recommended fee areas. Exhibit A from
the December, 1987 Master Plan of Sewerage may be found in the pocket at the
back of this report and shows the location of the reach designations called out
in the tables in this chapter.
FIGURE 2-1
BENEFIT FEE AREAi
VISTA/CARLSBAD INTERCEPTOR BASIN
The interceptor improvements in the Vista/Carlsbad Basin are funded from the
city wide connection fee. Benefit Area A is the only benefit area in the
Vista/Carlsbad Interceptor Basin.
Benefit Area A
Benefit Area A contains sewer drainage zones 25, 2B and 7A. This benefit area
has 1,470 estimated future units and an estimated cost of trunk sewer
improvements of $410,000. The estimated fee for this benefit area is $279 per
unit. Table 2-1 provides a summary of the improvements needed for the benefit
area, and Table 2-2 provides a summary of the units by sewer drainage zone.
TABLE 2-1
IMPROVEMENTS FOR BENEFIT AREA A
Reach
VGT1A
VCT1B
VCT1C
Location
Buena Vista
Creek
Buena Vista
Creek
Buena Vista
Creek
Size>
in.
8
8
10
Length,
feet
1,500
1,000
3,000
Total Cost,
\ $
103,000
70,000
237,000
TOTAL 4*<U>00
TABLE 2-2
EDU INFORMATION FOR BENEFIT AREA A
Zone
25
2B
7A
TOTAL
Existing
...
250
362
612
Future
1,089
...
381
1,470
Total
1,089
250
743
2,082
NORTH AGUA HEDIONDA INTERCEPTOR BASIN
There are no interceptor improvements needed in the North Agua Hedionda
Interceptor Basin. Benefit Area B is the only benefit area in the North Agua
Hedionda Basin.
Benefit Area B
Benefit Area B contains sewer drainage zones 7B and 14B. This benefit area
has 644 estimated future units and an estimated cost of trunk improvements of
$316,000. The estimated fee for this benefit area is $491 per unit. Table 2-3
provides a summary of the improvements needed for the benefit area, and Table
2-4 provides a summary of the units by sewer drainage zone.
TABLE 2-3
IMPROVEMENTS FOR BENEFIT AREA B
Reach Location Size,,
in.
Length,
feet
Total Cost,
$
NAHT1A Tamarack Avenue 10 4,000 316,000
TABLE 2-4
EDU INFORMATION FOR BENEFIT AREA B
Zone
7B
14B
TOTAL
Existing
881
...
881
Future
290
354
644
Total
1,171
354
1,525
8
SOUTH AGUA HEDIONDA BASIN
The South Agua Hedionda Basin contains Benefit Areas C, D, E, and F.
Interceptor improvements are needed in the South Agua Hedionda Basin
System. These interceptor improvements will serve zones 5A, 5B, 5D, 7C, 8,
14A, ISA, 15B, 16, 24A, 24B, 24C and ISA. The South Agua Hedionda Basin
has 11,307 estimated future units and an estimated cost of interceptor
improvements of $4,600,621. The estimated fee for these improvements is $407
per unit.
Table 2-5 provides a summary of the improvements needed and Table 2-6
provides a summary of the units by sewer drainage zone. The estimated $407
per unit will be added to all benefit areas in the South Agua Hedionda
Interceptor Basin to pay for the interceptor improvements.
TABLE 2-5
IMPROVEMENTS TO SOUTH AGUA HEDIONDA
BASIN INTERCEPTOR SYSTEM
Reach Location Size,
inches
Length,
feet
Total
Cost,
$
CONSTRUCTION OF NEW INTERCEPTORS
SAH1
SAH2
SAH4
Hidden Valley Road
Hidden Valley Road
Future Cannon Road
21
21
21
2,320
2,200
3,500
481,000
456,000
560,000
LIFT STATION IMPROVEMENTS
South Agua Hedionda Lift Station
and Force Main SAH3
3,103,621
TOTAL 4,600,621
TABLE 2-6
EDU INFORMATION FOR SOUTH AGUA HEDIONDA
BASIN INTERCEPTOR SYSTEM
Zone
5A
5B
5D
1C
8
14A
ISA
15B
16
ISA
24A
24B
24C
TOTAL
Existing
...
337
66
...
2
...
502
...
...
...
1
114
...
1,012
Future
383
1,447
356
571
1,445
798
1,522
1,448
2,178
832
250
...
77
11,307
Total
383
1,784
422
571
1,447
798
2,024
1,448
2,178
832
251
114
77
12,32*
10
Benefit Area C
Benefit Area C contains sewer drainage zone 8. This benefit area has 1,445
estimated future units. There are no trunk improvements needed in this benefit
area and, therefore, the total fee per unit within Benefit Area C is $407. This
fee is based solely on the interceptor system improvements needed in the South
Agua Hedionda Interceptor Basin.
Benefit Area D
Benefit Area D contains sewer drainage zones 7C, 14A, and ISA. This benefit
area has 2,891 estimated future units and an estimated cost of trunk
improvements of $1,092,000. The estimated fee for this benefit area is $785 per
unit. Table 2-7 provides a summary of the improvements needed for the benefit
area, and Table 2-8 provides a summary of the units by sewer drainage zone.
TABLE 2-7
IMPROVEMENTS FOR BENEFIT AREA D
Reach
SAHT2A
SAHT2B
SAHT2C
Location
Future Cannon
Road
Future College
Blvd.
Future Cannon
Road
Size,
incbes
10
8
15
Length,
feet
6,300
3,000
3,500
Total Cost,
$
498,000
206,000
388,000
TOTAL t,<l&»000
11
TABLE 2-8
EDU INFORMATION FOR BENEFIT AREA D
Zone
1C
14A
15A
TOTAL
Existing
...
...
502
502
w
Future
571
798
1,522
2,$91
Total
571
798
2,024
3,393
12
Benefit Area E
Benefit Area E contains sewer drainage zones 5A, 5D, 15B, 16, 24A, 24B and
ISA. This benefit area has 5,447 estimated future units and an estimated cost
of trunk improvements of $2,155,000. The estimated fee for this benefit area
is $803 per unit. Table 2-9 provides a summary of the improvements needed for
the benefit area, and Table 2-10 provides a summary of the units by sewer
drainage zone.
TABLE 2-9
IMPROVEMENTS FOR BENEFIT AREA E
Reach
SAHT1A
SAHT1B
SAHT1C
SAHT1D
SAHT1E
SAHT1F
SAHT1G
Location
Carlsbad Raceway
Agua Hedionda Creek
Agua Hedionda Creek
Sunny Creek Road
Rancho Carlsbad,
Sunny
Creek Road
Future College Blvd.
El Camino Real
Size,
inches
8
12
15
15
15
8
18
Length,
feet
1,000
3,500
3,700
3,500
4,540
2,000
2,500
Total Cost,
$
69,000
332,000
410,000
388,000
503,000
137,000
316,000
TOTAk , 2,155,000
13
TABLE 2-10
EDU INFORMATION FOR BENEFIT AREA E
Zone
5A
5D
15B
16
24A
24B
ISA
TOTAL
Existing
...
66
...
...
1
114
...
181
Future
383
356
1,448
2,178
250
...
832
5,447
Total
383
422
1,448
2,178
251
114
832
5,628
14
Benefit Area F
Benefit Area F contains sewer drainage zones 5B and 24C. This benefit area
has 1,524 estimated future units and an estimated cost of trunk improvements
of $720,000. The estimated fee for this benefit area is $879 per unit. Table 2-
11 provides a summary of the improvements needed for the benefit area, and
Table 2-12 provides a summary of the units by sewer drainage zone.
TABLE 2-11
IMPROVEMENTS FOR BENEFIT AREA F
Reach
SAHT3A
SAHT3B
Location
Future Macario
Canyon Road
Future Macario
Canyon Road
Size,
incites
8
12
Length,
feet
1,500
6,500
Total Cost,
: $
103,000
617,000
TOTAL 720,000
TABLE 2-12
EDU INFORMATION FOR BENEFIT AREA F
Zone
5B
24C
TOTAL
Existing
337
...
337
Future
1,447
77
1,524
Total
1,784
77
l,8£t
15
BUENA/SAN MARCOS INTERCEPTOR BASIN
There are no interceptor improvements in the Buena/San Marcos Interceptor
Basin. Benefit Areas G, H, and I fall within this basin.
Benefit Area G
Benefit Area G contains sewer drainage zones 5C, 5E, 5F and 51. This benefit
area has 1,692 estimated future units and an estimated cost of trunk
improvements of $128,000. The estimated fee for this benefit area is $76 per
unit. Table 2-13 provides a summary of the improvements needed for the
benefit area, and Table 2-14 provides a summary of the units by sewer drainage
zone.
TABLE 2-13
IMPROVEMENTS FOR BENEFIT AREA G
Reach Location Size,
in.
BSM21 Camino
Vida Roble
21
Length,
feet
Total
Co$t>
1 >•
4,690 668,000
Carlsbad
Ownership, Cost,
. %
19.2
, *
128,0002
Computer runs indicate BSM2 will not exceed capacity in the future; however, monitoring
indicates future flows will exceed full pipe capacity and therefore a replacement pipe is
recommended.
Cost based on old-line ownership percent.
16
TABLE 2-14
EDU INFORMATION FOR BENEFIT AREA G
Zone
5C
5E
5F
51
TOTAL
Existing
87
...
45
881
1,013
Future
281
1,243
...
168
1,692
Total
368
1,243
45
1,049
2,705
17
Benefit Area H
Benefit Area H contains sewer drainage zones 6B, 10A, 10B, IOC, 17A, 17B and
18B. This benefit area has 4,836 estimated future units and an estimated cost
of trunk improvements of $2,484,000. The estimated fee for this benefit area
is $514 per unit. Table 2-15 provides a summary of the improvements needed
for the benefit area, and Table 2-16 provides a summary of the units by sewer
drainage zone.
18
TABLE 2-15
IMPROVEMENTS FOR BENEFIT AREA H
Reach
+
Location Size,
in.
Length,
feet
Total
Cost,
$
Carlsbad
. Ownership, Cost,
%$
LIST STATION IMPROVEMENTS
North La Costa Lift Station
Construct
Station
Force Main
—
16
—
5,000
750,000
500,000
100
100
791,000
527,000
CONSTRUCTION OF NEW TRUNK SEWERS
BSMT1A
BSMT1B
BSMT1C
BSMT1D
BSMT1E
BSMT1F
Future Carillo
Way
Serves 6B
Future Carillo
Way
Future Carillo
Way
Serves 17A
North of La
Costa
Golf Course
12
8
12
15
10
15
2,000
1,000
1,000
3,700
3,500
1,200
180,000
65,000
90,000
388,500
255,000
126,000
100
100
100
100
100
100
190,000
69,000
95,000
410,000
269,000
133,000
TOTAL 2,484,001
19
TABLE 2-16
EDU INFORMATION FOR BENEFIT AREA H
Zone
6B
10A
10B
10O
17 Ar
17B-
18B
TOTAL
Existing
126
...
...
...
...
...
...
126
Future
...
225
450
825
433
649
2,254
4,836
Total
126
225
450
825
433
649
2,254
4,962
20
Benefit Area I
Benefit Area I contains sewer drainage zone 20B and fifty percent of Zone 20A.
This benefit area has 1,334 estimated future units and an estimated cost of
trunk improvements of $380,000. The estimated fee for this benefit area is $285
per unit. Table 2-17 provides a summary of the improvements needed for the
benefit area, and Table 2-18 provides a summary of the units by sewer drainage
zone.
TABLE 2-17
IMPROVEMENTS FOR BENEFIT AREA I
Reach
BSMT2
Location
Laurel Tree
Road
Size,
in.
12
Length,
feet
4,000
Total
Cost*
$
380,000
Carlsbad
Ownership, Cost,
%
100
$
380,000
TABLE 2-18
EDU INFORMATION FOR BENEFIT AREA I
2&tt*
20A (50%)
20B
TOTAt
Existing
6
—
6
Future
756
578
1,334
Total
762
578
1,340
21
NORTH BATIQUITOS INTERCEPTOR BASIN
The North Batiquitos Basin includes Benefit Areas J, K, L, and M. These
benefit areas include zones 4A (50%), 4B, 6A, 9, 19A, 19B, 19C, 19D, 20C, 21A,
21B and 22B. Benefit Areas J, K, and L have 4,013 estimated future units and
the estimated cost of North Batiquitos Interceptor improvements is $2,095,046.
The estimated fee for these benefit areas is $522 per unit. Table 2-19 provides
a summary of the improvements needed for the North Batiquitos Basin
Interceptor System, and Table 2-20 provides a summary of the units by sewer
drainage zone. The interceptor improvements cost of $522 per unit will be
added to the fees for Benefit Areas J, K, and L.
Reimbursement fees for previously constructed facilities are also required in
the North Batiquitos Interceptor Basin. Benefit Areas J, K, L, and M have an
estimated 9,725 total buildout units and the reimbursement for the
Occidental/Ponto Trunk is estimated to be $372,127. The fee of $38 per unit
shall apply to Benefit Area M and be added to Benefit Areas J, K, and L. Table
2-21 provides a summary of reimbursements for the Occidental/Ponto Trunk.
Benefit Areas L and J have an estimated 4,916 total buildout units and
reimbursement for the Ayres/Batiquitos Trunk is estimated to be $1,060,070.
A fee of $216 per unit is added to Benefit Areas L and J for this reimbursement.
Table 2-22 provides a summary of reimbursements for the Ayres/Batiquitos
Trunk.
22
TABLE 2-19
IMPROVEMENTS TO NORTH BATIQUITOS
BASIN INTERCEPTOR SYSTEM
Reach Location Total Cost,
$
LIFT STATION IMPROVEMENTS
North Batiquitos Lift Station and Force
Main Repairs
1.984.4461
Repairs to Ayres Sewer Trunk 110.6001
TOTAL 2,095,046
From Aviara Land Associates letter to City Engineer, dated 12-27-90.
23
TABLE 2-20
EDU INFORMATION FOR NORTH BATIQUITOS
BASIN INTERCEPTOR SYSTEM
Zone
4A (50%)
4B
6A
9
19A
19B
19C
19D
20C
21A
21B
22B
TOTAL
Existing
1,090
886
407
514
...
...
...
...
...
...
...
277
3,174
Future
25
...
122
1,256
1,138
894
460
185
390
350
474
1,257
^551
Total
1,115
886
529
1,770
1,138
894
460
185
390
350
474
1,534
*,72S
24
TABLE 2-21
REIMBURSEMENTS FOR THE OCCIDENTAL/PONTO TRUNK
TRUNK
Occidental/Ponto
Reimbursement
; s
Cost,1
372,127
1 From City Engineer's memorandum, dated 7-23-90.
1979 dollars escalated to 1990 dollars.
TABLE 2-22
REIMBURSEMENTS FOR THE AYRES/BATIQUITOS TRUNK
TRUNK
Ayres/Batiquitos
1 . *
Cost,1
1,060,070
From City Engineer's memorandum, dated 7-23-90.
1979 dollars escalated to 1990 dollars.
25
Benefit Area J
Benefit Area J contains sewer drainage zones 6A, 19B, 19C, 21A and 21B. This
benefit area has 2,300 estimated future units and an estimated cost of trunk
improvements of $473,028. Table 2-23 provides a summary of the improvements
needed for the benefit area, and Table 2-24 provides a summary of the units by
sewer drainage zone. The estimated fees for this benefit area also include
North Batiquitos Interceptor improvements and reimbursements for the
Occidental/ Ponto Trunk and Ayres/Batiquitos Trunk. The estimated fee for
this benefit area is $982 per unit.
TABLE 2-23
IMPROVEMENTS FOR BENEFIT AREA J
Reach
NBT2
Location
19B, 19C
Total Cost,1
$
473,028
From estimate prepared by P&D Technologies for Aviara, dated 1-10-90.
26
TABLE 2-24
EDU INFORMATION FOR BENEFIT AREA J
Zone
6A
19B
19C
21A
21B
TOTAL
Existing
407
...
...
...
...
407
Future *
122
894
460
350
474
2,300
Tata!
529
894
460
350
474
2,707
27
Benefit Area K
Benefit Area K contains sewer drainage zone 20C. This benefit area has 390
estimated future units and an estimated cost of trunk improvements of $554,000.
Table 2-25 provides a summary of the improvements needed for the benefit
area, and Table 2-26 provides a summary of the units by sewer drainage zone.
The estimated fees for this benefit area also include North Batiquitos
Interceptor improvements and reimbursement for the Occidental/Ponto Trunk.
The estimated fee for this benefit area is $1,981 per unit.
TABLE 2-25
IMPROVEMENTS FOR BENEFIT AREA K
Reach i Location Size,
Incites
Length,
teet
Total Cost,
$
IMPROVEMENTS TO EXISTING TRUNK SEWERS
NBT3A
NBT3B
4B
Daisy Avenue
and Batiquitos
Lagoon
10
12
1,000
5,000
79,000
475,000
TOTAL 554,000
28
TABLE 2-26
EDU INFORMATION FOR BENEFIT AREA K
Zone
20C
TOTAL
Existing
...
...
Future
390
390
Total
390
390
Benefit Area L
Benefit Area L contains Basins 4B, 19A, and 19D. This benefit area has 1,323
estimated future units. This benefit area has no trunk improvements needed so
the estimated fee for this benefit area includes the North Batiquitos Interceptor
improvements and reimbursements for the Occidental/Ponto Trunk and the
Ayres/Batiquitos Trunk. The estimated fee for this benefit area is $776 per
unit.
Benefit Area M
Benefit Area M contains Basins 9, 22B, and half of 4A. This benefit area has
2,538 estimated future units. The estimated fee for this benefit area includes
only the reimbursement of the Occidental/Ponto Trunk and is $38 per unit.
29