HomeMy WebLinkAbout; Bridge and Thoroughfare Benefit Dist No. 1 Eng Rpt; Bridge and Thoroughfare Benefit District No. 1; 1986-07-01CITY OF CARLSBAD
BRIDGE AND THOROUGHFARE
BENEFIT DISTRICT NO. 1
ENGINEER'S REPORT
July, 1986
PREPARED BY:
NESTE, BRUDIN & STONE INCORPORATED
Engineers Planners
Corona - Hemet - Palm Springs
Rancho California - San Bernardino - San Diego
California
NBS Project No. E68-015.010
PROJECT: BRIDGE AND THOROUGHFARE BENEFIT DISTRICT NO. 1
CITY OF CARLSBAD
TO: CITY COUNCIL
CITY OF CARLSBAD
COUNTY OF SAN DIEGO
STATE OF CALIFORNIA
I, NORMAN A. NESTE, authorized representative of NESTE,
BRUDIN & STONE INCORPORATED, the appointed DISTRICT ENGINEER,
submit herewith an Engineer's Report for the formation of a.
"Bridge and Thoroughfare Benefit District" pursuant to
Section 20.08.140 of the Carlsbad Municipal Code and Section
66484 of the Government Code of the State of California.
Said Report consists of four parts as follows:
Part I - Background for District
Part II - Map of the Exterior Boundaries of the District
Part III - Estimate of Cost of the Improvements
Part IV - Method of Fee Apportionment
Dated this day of , 1986.
NESTE, BRUDIN & STONE INCORPORATED
DISTRICT ENGINEER
Filed in the OFFICE of the CITY CLERK of the CITY of CARLSBAD
this day of , 1986.
CITY CLERK
CITY OF CARLSBAD
Page 1 of 1
ENGINEER'S REPORT
PART I
BACKGROUND FOR DISTRICT
CITY OF CARLSBAD
BRIDGE AND THOROUGHFARE BENEFIT DISTRICT NO. 1
City of Carlsbad Municipal Code, Section 20.08.140 entitled
"Bridge Crossing and Major Thoroughfares", makes provision
for assessing and collecting fees as a condition of issuing a
building permit for the purpose of defraying the actual or
estimated costs of constructing bridges or major thorough-
fares pursuant to Section 66484 of the Government Code of the
State of California.
Interstate 5 of the state highway system was constructed by
the State Department of Transportation. Three of the
interchanges were constructed to interim standards and
additional improvements to the facilities are required as
properties develop requiring increased access to the
Interstate system.
The three interchanges are:
a. Palomar Airport Road
b. Poinsettia Lane
c. La Costa Avenue
In general, the needed improvements include bridge widening,
reconstruction or construction of on/off ramps, signalization
of on/off ramps, roadway approaches, signing, striping and
appurtanent work.
The State Department of Transportation does not fund
additional improvements to these interchanges that are needed
due to increased traffic generation from development of
private lands.
The estimated construction cost of the improvements to the
three interchanges are as set forth in Part III of this
Engineer's Report.
The exterior boundaries of the District are as shown on a map
marked Exhibit "A" and being Part II of this Engineer's
Report. Properties that have been improved by the
construction of structures and/or building permits have been
issued and the issuance . of further buildings permits is
extremely doubtful, have been excluded from the boundaries of
the proposed district. Exhibit "B" to this report is the
current County Assessor's Parcel Maps for the area included
I-l
within the exterior boundaries as shown on Exhibit "A".
These maps show the individual parcels that have been
excluded from the District.
Exhibit "C" to this report is a numeric listing of assessor's
parcel numbers from the current County Assessor's roll of all
parcels included within the District.
The San Diego Area Association of Governments (SANDAG)
prepares traffic reports and analysis using projected traffic
flows based upon full development of lands within the City of
Carlsbad. These analysis were utilized to determine the
exterior boundaries of the District.
For purposes of this proposed District, the following
definitions have been used:
a. "Building Permit" means a permit required by and issued
pursuant to Chapter 18.04 of the Carlsbad Municipal
Code.
b. "Bridge" means a structure over a waterway, railway,
freeway or canyon for the purpose of conveying vehicular
traffic
c "Property" means any lot or parcel of land within the
exterior boundaries of the Proposed Bridge and
Thoroughfare Benefit District No. 1 and subject to
payment of a fee.
d. "Project" means on any property subject to payment of a
fee, any new or additional building, structure, or any
land use change which increases the number of trips
generated by the use of the lot or parcel.
e. "Trip" means an arrival at or a departure from a project
by any motor vehicle averaged over a one day period
(12:01 p.m. to 11:59 p.m.) as determined according to
the table of trip generation found in Part IV of this
Engineer's Report. In using this table, the square
footage of the building, structure or use shall include
all interior floor area of a building or structure, and
all usable ground area of a use without a structure,
except any designated open space area. Where the table
establishes traffic generation for a project on the
basis of square footage, acreage, or some other unit,
the unit establishing the greatest number of trips shall
be utilized. When a project has more than one use the
number of trips shall be calculated by adding together
all the trips generated by each use. For uses not
listed in the table the trips shall be calculated by the
City Engineer.
1-2
ENGINEER'S REPORT
PART II
MAP OF THE EXTERIOR BOUNDARY
CITY TO CARLSBAD
BRIDGE AND THOROUGHFARE BENEFIT DISTRICT NO.
The map of the exterior boundaries of "Bridge and Thorough-
fare Benefit District No. 1" is shown on Exhibit "A" attached
hereto.
II-l
ENGINEER'S REPORT
PART III
COST ESTIMATE
CITY TO CARLSBAD
BRIDGE AND THOROUGHFARE BENEFIT DISTRICT NO. 1
PALOMAR AIRPORT ROAD INTERCHANGE
Demolition
Utility Relocation/Reconstruction
Road and Ramp Improvements
Bridge and Foundation
Interchange Signals
Stripe and Sign
Traffic Safety and Control
Construction Total
Planning and Design @ 15%
Construction Services @ 18%
Subtotal
Caltrans Process @ 5%
Total Estimate
Say
$ 20,000
24,000
174,000
1,472,000
160,000
6,000
70,000
$ 1,926,000
289,000
347,000
$ 2,562,000
128,000
$ 2,690,000
$ 2,700,000
POINSETTIA LANE INTERCHANGE
Demolition
Utility Relocation/Reconstruction
Road and Ramp Improvements
Bridge and Foundation
Interchange Signals
Stripe and Sign
Traffic Safety and Control
Construction Total
Planning and Design @ 15%
Construction Services @ 18%
Subtotal
Caltrans Process @ 5%
Total Estimate
Say
III-l
$ 24,000
28,000
334,000
1,254,000
160,000
16,000
70,000
$ 1,886,000
283,000
340,000
$ 2,509,000
126,000
$ 2,635,000
$ 2,640,000
LA COSTA AVENUE INTERCHANGE
Demolition $ 28,000
Utility Relocation/Reconstruction 38,000
Road and Ramp Improvements 355,000
Bridge and Foundation 1,362,000
Interchange Signals 160,000
Stripe and Sign 24,000
Traffic Safety and Control 90,000
Construction Total $ 2,057,000
Planning and Design @ 15% 309,000
Construction Services @ 18% 371,000
Subtotal $ 2,737,000
Caltrans Process @ 5% 137,000
Total Estimate $ 2,874,000
Say $ 2,880,000
III-2
COST ESTIMATE SUMMARY
ESTIMATED
IMPROVEMENT COST
Palomar Airport
Road Interchange $2,700,000
Poinsettia Lane
Interchange 2,640,000
La Costa Avenue
Interchange 2,880,000 Total Construction Estimate $8,220,000
Contingency @ 15% 1,233,000
Total Project Estimate $9,453,000
III-3
ENGINEER'S REPORT
PART IV
METHOD OF FEE APPORTIONMENT
CITY OF CARLSBAD
BRIDGE AND THOROUGHFARE BENEFIT DISTRICT NO. 1
Funds for the construction of the bridges will be generated
by fees collected as building permits are issued for
development that does not exist today. Each type of
development or land use will create a specific number of
"trip generations" in a given 24-hour day. (See definition
of trip in Part I). Total trip generations can be predicted
based upon the City's General Land Use Plan to ultimate
development. Commercial uses such as banks, fast food
establishments, etc often generate trips in conjunction with
another trip and may be considered double counting.
Therefore, trip generations from land uses other .than
residential have been reduced in computing the Bridge and
Thoroughfare fee for those land uses.
Dividing the total daily trip generation into the dollars to
be raised and needed for construction produces the fee per
trip generation to be collected.
The fee per trip generation, as hereinafter established, for
the various land uses shall be applied to the estimated
weekday vehicle trip generation rate as established in the
following table.
Land Use
Agriculture (Open Space)
Airports
Commercial
General Aviation
Heliports
Automobile
Car Wash
Gasoline
Repair & Sales (Dealer)
Estimated Weekday Vehicle
Trip Generation Rate
2/acre
12/acre, 100/flight
4/acre, 2/flight, 6/based
aircraft
100/acre
600/site
750/station, 130/pump
60/1000 sq.ft., 400/acre,
60/service stall
IV-1
Land Use
Banking
Walk-in Bank
w/Drive-Through
Savings & Loan
w/Drive-Through
Cemeteries
Church (or Synagogue)
Commercial/Retail Centers
Regional Shopping Center
(More than 30 acres, more
than 300,000 sq.ft., w/
usually 2+ major stores)
Community Shopping Center
(10-30 acres, 100,000-
300,000 sq.ft. w/usually
1 major store and detached
restaurant)
Neighborhood Shopping Center
(Less than 10 acres, less
than 100,000 sq.ft. w/usually
grocery store & drug store)
Commercial Shops
(also strip commercial)
Grocery Store
Convenience Market
Discount
Furniture Store
Lumber/Hardware Store
Education
University (4 years)
Junior College (2 years)
High School
Elementary/Junior High
Hospitals
General
Convalescent/Nursing
Industrial
Commercial Included/
Business Park
No Commercial
Manufacturing
Estimated Weekday Vehicle
Trip Generation Rate
200/1000 sq.ft.
300 (150 one-way)/lane
60/1000 sq.ft.
100 (50 one-way)/lane
5/acre
30/1000 sq.ft., 60/acre
(triple rates for Sunday,
or days of assembly)
50/1000 sq.ft., 500/acre
70/1000 sq.ft., 700/acre
120/1000 sq.ft., 1200/acre
40/1000 sq.ft., 400/acre
150/1000 sq.ft., 1500/acre
500/1000 sq.ft.
40/1000 sq.ft.
6/1000 sq.ft., 100/acre
30/1000 sq.ft., 300/a.cre
2.5/student, 100/acre
1.5/student, 80/acre
1.5/student, 50/acre
1.0/student, 30/acre
20/bed, 20/1000 sq.ft., 200/acre
3/bed
16/1000 sq.ft., 200/acre
10/1000 sq.ft., 120/acre
4/1000 sq.ft., 40/acre
IV-2
Land Use
Industrial (Continued)
Warehousing
Storage
Science Research & Development
Library
Lodging
Hotel
(w/convention failities/
commercial)
Motel
Resort Hotel
Military
Offices
Standard Commercial Office
(less than 100,000 sq.ft.)
Large (high-rise) Commercial
Office (more than 100,000
sq.ft.)
Government (Civic Center)
Medical
Parks
City (developed)
Regional (undeveloped)
Neighborhood
Amusement (Theme)
Recreation
Beach, Ocean or Bay
Beach, Lake (fresh water)
Bowling Center
Campground
Golf Course
Marinas
Racquetball/Health Club
Tennis Courts
Sports Facilities
Outdoor Stadium
Indoor Arena
Racetrack
Theaters (multiplex)
Estimated Weekday Vehicle
Trip Generation Rate
6/1000 sq.ft., 60/acre
3/1000 sq.ft., 0.3/vault,
50/acre
8/1000 sq.ft., 80/acre
40/1000 sq.ft., 400/acre
10/room, 300/acre
10/room, 200/acre
10/room, 100/acre
2.5/military & civilian
personnel
20/1000 sq.ft., 300/acre
17/1000 sq.ft.,, 600/acre
30/1000 sq.ft.
90/1000 sq.ft., 800/acre
50/acre
5/acre (double rates
5/acre for weekend)
80/acre, 130/acre (summer
only)
600/1000 fet. shoreline, 60/acre
50/1000 fet. shoreline, 5/acre
30/lane
6/campsite
8/acre, 400/course
4/berth
40/1000 sq.ft., 300/acre,
40/court
30/court
50/acre, 0.2/seat
30/acre, 0.1/seat
40/acre, 0.6/seat
80/1000 sq.ft., 1.8/seat
IV-3
Land Use
Residential
Single Family Detached
(average 4 DU/acre)
Condominium
(or any multifamily units
less than 30 DU/acre)
Apartments
(or any multifamily units
more than 30/DU/acre)
Mobile Home
Retirement Community
Rural Estate
Restaurants
Quality
Sit down, high turnover
Fast Food (w/drive-throug)
Transportation Facilities
Bus Depot
Truck Terminal
Estimated Weekday Vehicle
Trip Generation Rate
10/dwelling unit
8/dwelling unit
6/dwelling unit
5/dwelling unit
5/dwelling unit
15/dwelling unit
100/1000 sq.ft.
300/1000 sq.ft.
600/1000 sq.ft.
25/1000 sq.ft.
10/1000 sq.ft., 60/acre
To increase fees in a bridge and thoroughfare district
requires a mailed notice and hearing. Therefore, it is
recommended to escalate the cost estimate. An inflation
factor can be applied or a total debt service can be computed
assuming long-term financing and iimnediate construction.
Utilizing the second method of long-term financing over 20
years at 7% interest will increase the project cost 89%.
Current Cost (1986)
Cost to be funded
(0.89)
Say
$ 9,453,000
8,413,000
$17,866,000
$17,870,000
A total of 510,350 daily trips generated by land use s\ibject
to fee collection are forecast within the proposed benefit
area. In order to recognize common trips (avoid "double
counting"), commercial/industrial trip generation is
discounted at 40% of residential source generation. A total
of 338,940 adjusted daily trips are then forecast.
Resultant proposed fees are then:
Residential
Commercial/Industrial
$53.00/Daily Trip
$22.00/Daily Trip
Background support data is included in the following
exhibits.
IV-4
Exhibit
ADDITIONAL EXHIBITS
D
H
K
L
M
N
0
P
Q
Total Acres by Land Use Listing
(Entire City Area)
Total Acres.by Land Use Listing
(Benefit Area Only)
Horizon Trip Analysis Listing
(Entire City Area)
Existing Trip Analysis Listing
(Entire City Area)
Future Trip Analysis Listing
(Entire City Area)
Horizon Trip Analysis Listing
(Benefit Area Only)
Existing Trip Analysis Listing
(Benefit Area Only)
Future Trip Analysis Listing
Residential Trip Analysis Listing
Future Development
(Benefit Area Only)
Commercial/Industrial Trip Analysis Listing
Future Development
(Benefit Area Only)
Mixed-Use Trip Analysis Listing
Future Development
(Benefit Area Only)
Non-Fee Trip Analysis Listing
Future Development
(Benefit Area Only)
Facility Utilization Factor
Facility Importance Factor
IV-5