HomeMy WebLinkAbout2. C ollector Street Reconstruction and / or Resurfacing Assessment .e •..
' CITY OF ROSEMOUNT
POLICY: Collector street Reconstruction &/or Resurfacing Assessment
RECOMMENDED BY: Staff
PRESENTED TO COUNCIL: Apri1 3 , 1990 ADOPTED BY COUNCIL:
Purpose:
The purpose of this policy is to pravide a rational and equitable
method of assessing abutting and benefited property to help finance
the reconstruction and resurfacing of city collector streets. �,
Collector streets shall be defined as streets that collect traffic from
local and feeder streets and connects with arterials. Collector
streets will generally haue average daily traffic volumes of between
1, 000 and 10, 000 trips per day. Collector streets provide some access
to abutting property, but more importantly enable maderate quantities
of traffic to move expeditiously between local streets and the major
street (arterial) network.
Backqround:
Many of the city streets are approaching the end of their design life.
The Public Works Department has completed a Pavement Management System
for about 30 miles of older streets, including collector streets.
This consisted of taking an inventory of the streets and rating their
condition. Streets with a rating of less than or equal to 8 . 0 (on a
scale of 1b=excellent and 1=poor) are candidates for complete
reconstruction.
Unless a collector street was a county road that was built entirely
with county funds prior to 1980 and turned back to the city, then
property along that collector street would have paid for its
construction. Payment would have been made either of two ways. One
way would have been through speeial assessments, if the city contracted
to construct a collector street. The other way would have been with
the purchase of a lot, if the developer installed collector streets
under a private contract.
Streets have service lives nq different than vehicles or appliances,
so they also have to be replaced when they wear out. State law allows
a 20 year life for bituminous surfaced streets. This is consistent
with the actual service life of a bituminous surfaced street, which by
industry standards is between 20 to 25 years. As a result', streets
meeting or exceeding the 20 year life that need to be reconstructed can
be financed using special assessments. In order to borrow money under
the sgecial assessment section of State law -- Chapter 429 - the minimum
that must be assessed is 20% of the amount borrowed. Usually 25-30$
of the amount borrowed is assessed to insure meeting the 20� minimum
rule.
If collector streets need reconstruction priar to reaching their 20
year life span, then it would be appropriate to prorate the assessable
cost. For example, should a 15 year old street require reconstruction,
then the amount of assessable cost would be 15/20 or 3/4ths of the
total assessable cost.
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' Collector Street Reconstruction Assessment Policy
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Rationale:
RECONSTRUCTION
CITY COLLECTORS
(1) Assessable costs for recanstruction would inGlude all costs
of reconstructing a 32 foot wide bituminaus surfaced
residential urban section (concrete curb & gutter) and a 24
foot wide bituminous surfaced rural section (with 4 ft gravel
shoulders and ditches) .
COUNTY ARTERIALS/COLLECTORS
.� Assessable costs for reconstruction would include 75� of
residential ectuivalent casts for two lane or faur lane
undivided countv roads and 50� of costs of four lane divided
countv roads. The residential ecruivalent would be a 32 foot
wide bituminous surfaced residential urban section (concrete
curb & crutter) for streets within the urban service area or
a 24 foot wide bituminous surfaced rural section twith 4 ft
gravel shoulders and ditchesl for streets outside the urban
service area.
RESURFACING & MISC. REPAIR
(1) Subgrade correction work shall be assessed because it should
have been done at the time of initial construction.
(2} 50� of the costs of miscellaneous preparatory work for the
overlay and 50% of the overlay cost shall be assessed.
(3) Pavement cut-outs �shall be considered as maintenance and not
assessed.
�
(4) Replacement of sections of cancrete curb & gutter shall be
considered as maintenance and not assessed. '
summarv•
(1) Assessment Area
(a) The assessment area for collector street reconstruction
or resurfacing shall include property within the general
district it serves, as shown in Exhibi,t A, dated March
1990. These collector street service districts were
determined using the following criteria:
1. District shall include all property within a maximum
distance of 1/2 mile of the collector street, or 1/2
the distance between parallel collector streets,
whichever is less.
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� Collector Street Reconstruction Assessment Policy
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2 . Property with the potential of lying within two
districts shall be included entirely within one ar the
other or split between the two. It is not the intent
of this policy that property be assessed more than its
full RES share for collector streets.
3 . When property lies within overlapping districts, the
property will be included w hin the district for the
collector street that is �clos to the property,
Distance shall be measured from the approximate center
of the property to the nearest collector street
following existing public streets.
(2) Assessment rate determination.
(a) The assessment rate shall be based on a single family
residential equivalent unit as shown in the` following
table:
RES
Zonina Unit Units
SF detached {R-1,RR,RL) per platted lot 1
SF attached (R-2) per dwelling unit 1
MF residential (R-3 ,R-4J per dwelling unit 2
Commercial (C-1, C-2 ,C-3 ,C-4) per acre (2 . 5x20) 50
Industrial (IG, IP,WM) per acre (2 .5x2) 5
Institutional (PUB) per acre (2 . 5x2) 5
For example, a development with 24 single family lots would have
24 RES units as would a development with 24 single family attached
units, such as four-plexes. However, a development with a 48 unit
apartment building would receive 96 RES units. To determine RES
units for commercial zoned property containing 1O acres one would
_ multiply the 50 RES units/acre for commereia� property by 10,
which would result in 500 RES units.
,
For agricultural zoned properties the Public Works Department
would estimate the number of units per acre based on the
Comprehensive Guide Plan�.' s underlying use.
Agricultural (R-1) per acre (2 . 5) 2 , 5
Agricultural (RR) per acre (5 ac min. ) 0.2
Agricultural (RR) per acre (10 ac. min.) 0.1
Agricultural (R-2) per acre (4 . 0) 4
Agricultural (R-3) per acre (6,0) 6
Agricultural (R-4) per acre (10. 0) 10
For example, agriculturally zoned property with a Comprehensive
Guide Plan Use designated as single family detached (R-1) wi11
have its RES units determined based on 2. 5 units per acre. If the
underlying use is rural residential {RR) , then the RES units would
be based on the minimum lot size, which would be either 5 or 10
acres depending upan the location.
(2) Funding tor street reconstruction and resurfacing that does
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� Collector Street Reconstruction Assessment Policy
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not meet the criteria for 100% assessment will be funded by
line item amounts in the City Five (5) Year CIP Program.
Alternative funding methods will be investigated as they
become available for this type of need.
(3) Assessments for homesteaded residential or agricultural
property in amounts over $5, 000 shall be spread over 15
years, otherwise, the assessments shall be spread over 7
years.
3
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� . Collector Street Reconstruction Assessment Policy
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RESIDENTIAL EQUIVALENT TABLE
BASED -0N TRIP GENERATION
BY DWELLING TYPE
Dwellinq Type Trit�s/DU DU Ac Tri�s/Ac R�S
5ingle Family 10 2 . 5 25 1. 0
Multi-family (R-2) 6 6 36 1.4
Apartments (R-3 ,R-4) 6 10 60 2.4
Commerical x x 500 2fl. 0
Industrial x x b0 2.4
Institutional x x 55 2. 2
All numbers derived from Transportation and Traffic Handbook, 2nd
Edition, by the Institute of Transportation Engineers.
According to the table single family dwelling types generate 25 trips
per acre, which for purposes of establishing RES units wi11 equal 1. 0.
The remaining RES numbers were obtained by dividing the Trips/Acre
number by 25. For the table in the policy text, these RES numbers were
rounded to the nearest whole number.
c:�word\strasst.pol April 12 , 1990
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