HomeMy WebLinkAbout03/07/2011 Work Session CITY OF COLUMBIA HEIGHTS Mayo,
Gu, l,. Peterson
Councilm embers
RoberiA. trilliums
590 40"' Avenue NE, Columbia Heights, MN 55421 -3878 (763)706 -3600 TDD (763) 706 -3692 Bruce Min nick,
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Visit our website at www.ci.coluinbia-heimhtsann.us Uo,xw Schmitt
City Manager
Wul[er R. Fells(
ADMINISTRATION
NOTICE OF CITY COUNCIL MEETING
to be held in the
CITY OF COLUMBIA HEIGHTS
as follows:
Meeting of: COLUMBIA HEIGHTS CITY COUNCIL
Date of Meeting: MONDAY, MARCH 7, 2011
Time of Meeting: 7:00 P.M. (following HRA meeting)
Location of Meeting: CONFERENCE ROOM 1
Purpose of Meeting: WORK SESSION
1. Discuss HRA appointments
2. MSC Garage - Main Floor Report (structural and protective coating)*
3. 6 Cities WMO status*
4. Gateway Pedestrian Bridge: Kimley -Horn CO #1 for Construction Engineering Services*
5. Capital Equipment Replacement: Pelican Street Sweeper*
6. Update on boiler grant and replacement
7. Items from February 28, 2011 City Council meeting
a. City hall renovation bid process
b. Cost of contract cleaning of buildings versus employee cleaning
c. Red Wing rental inspection challenges — EDA*
d. Letter from resident — 4618 Fillmore Street — tent in yard*
e. Discussion of executive session items out of executive session
* attachment
The City of Columbia Heights does not discriminate on the basis of disability in the admission or access to,
or treatment or employment in, its services, programs, or activities. Upon request, accommodation will be
provided to allow individuals with disabilities to participate in all City of Columbia Heights' services,
programs, and activities. Auxiliary aids for handicapped persons are available upon request when the
request is made at least 96 hours in advance. Please call the City Clerk at 763 - 706 -3611 to make
arrangements. (TDD /706 -3692 for deaf or hearing impaired only)
CITY COUNCIL LETTER
Work Session of: March 7, 2011
AGENDA SECTION: WORK SESSION ORIGINATING DEPARTMENT: CITY MANAGER
NO: PUBLIC WORKS
ITEM: REVIEW OF CONDITION STUDY BY: Kevin Hansen By:
FOR GARAGE FLOOR DATE: March 3, 201 DATE:
Background:
The City has routinely spot repaired the garage floor and applied a protective epoxy coating to preserve the structural integrity of
the concrete slab on a regular basis, at approximately 5 -year intervals. A protective coating was last applied in 2006 following
completion of the MSC Renovation Project and prior to that in 2000. Continued floor maintenance work has been budgeted for
in the 2011 Public Works Central Garage budget.
Analysis /Conclusions:
The Municipal Service Center was constructed in 1971 for Public Works operations. The building's main floor is used for
parking of light duty vehicles and equipment repair. At the time of construction the concrete floor was not coated with a
protective traffic coating. It is believed that within a few years following construction, a protective coating was applied and has
since been redone on approximately 5 -year cycles to preserve the integrity of the reinforced floor.
In the last couple of years the concrete surface has experienced significant spalling, delamination, and deterioration of the
reinforcing steel (where visible). Since the floor is nearing 40 years of service, staff contracted with Stork Twin City Testing to
conduct a condition analysis (report attached). The primary purpose was to analyze the floor for:
• Conduct a condition analysis ofthe concrete slab, including concrete strength
• Perform a salt analysis by testing concrete samples for chloride impact to determine corrosion impacts
• Perform a delamination survey
• Provide a structural analysis of the floor system by reviewing the original design plans and test results
• Develop a recommended repair plan
The report details the process, testing and analysis that may be summarized as follows:
• Concrete Slab (pages 5 and 6): The concrete was tested in three areas and was found to have good compressive strength.
The floor slab was designed with minimal thickness range of 7 to 8 -1/2 inches. Through repairs in the last 15 years,
staff has found actual slab thickness to be 5 inches in isolated areas.
• Salt Penetration (page 5): As the slab is reaching 40 years of use in a salt environment (i.e., plow trucks), it is expected
to find chloride in the concrete. Chloride testing found excessive values in two of the three test areas.
• Delamination /Spalling (Page 4): Delamination /spalling was found throughout the top surface ofthe slab and in isolated
areas of the underside.
• Structural Analysis (page 5 -6): Normally, structural ratings for structural decks are provided on the design plans. Our
record drawings do not provide any load ratings. Stork Twin City Testing used the available plans to perform a
structural analysis of the deck system -- vertical columns, support beams, and the concrete deck. Their analysis
concluded that the system is not sufficient to support the wheel loading of the heaviest equipment used by the City,
such as the fire engines, vactor, and frontend loaders. Staff has subsequently implemented weight limits for vehicles on
the main floor.
COUNCIL ACTION:
CITY COUNCIL LETTER
Work Session of: March 7, 2011
AGENDA SECTION: WORK SESSION ORIGINATING DEPARTMENT: CITY MANAGER
NO: PUBLIC WORKS
ITEM: REVIEW OF CONDITION STUDY BY: Kevin Hansen BY:
FOR GARAGE FLOOR DATE: March 3, 2011 DATE:
Page Two
Stork Twin City Testing recommends concrete slab repairs consisting of reinforcing steel replacement and concrete repairs,
followed by a 3 -coat type epoxy traffic coating. Due to the impact of weight limitations on equipment maintenance and
repairs, staff also recommends an analysis be evaluated to determine the most cost effective way to strengthen at least a
portion of the slab to allow heavier equipment access.
Staff has budgeted $70,000 in the 2011 Central Garage budget for this work.
Recommended Motion: Move to accept the MSC garage floor condition study report by Stork Twin City Testing and
authorize staff to seek bids for concrete repairs and protective slab surface coating for the MSC main floor.
COUNCIL ACTION:
�����"
��������� Stork Twin City Testing Corporation
Materials Tech
Material Testing Non-Destructive Testing
January 7, 2011 Product Evaluation Construction Materials
662 Cromwell Avenue
Ms. Kathy Young St. Paul, Mwsy114
City of Columbia Heights USA
637 38 Avenue NE
Telephone : (651) 645-3601
Coumb He MN 55421 Telefax : (651) 659-7348
RE: 2010 Condition Study for the
Columbia Heights Maintenance Garage
Columbia Heights, Minnesota
BCG Project No. R788-10-1
TCT Project No. TCTUUD511DP
Dear Ms. Young:
This report presents the 2010 Gondition Study performed by TCT-BCG Engineering consulting team for
the Columbia Heights Maintenance Garage, located in Columbia HmiQhto, Minnesota. The purpose nfthe
report is to provide a written report summarizing the condition of the gara to provide a maintenance
plan for planning and budgeting maintenance and repair items, and to provide a structural analysis of the
existing structure.
It has been a pleasure to provide our engineering services to you for this report. Should you have any
questions regarding this report please call Mark at (651) 659-7447, or Dan at (612) 789-6696, extension
17.
Sincerely,
Twin City Testing — Buildings Consutting Group, Inc.
HEREBY CERTIFY THAT THIS PLAN, SPECIFICATION,
OR REPORT WAS PREPARED BY ME OR UNDER MY
DIRECT SUPERVISION, AND THAT | AM A DULY
LICENSED ENGINEER UNDER THE LAWS OF THE
Daniel E. Popp|e[, P.E. STATE OF MINNESOTA.
Senior Engineer
BuDdings Consulting Group, Inc.
Lewis Y. Ng, P.E.
� \
Buildings Consulting Group, Inc.
Mark ~~a'g''^ P.E. DATE: January 7, 2011 REG.NO.1O929
Senior P 'mot Engineer
Twin City Testing
Information and statements in tAs report are derived from matenal. blibibfgron and/or specrficahons furntshed by the °bent .d bnblde any encessed rrInhect wartarAtes to tbe fitness of the roatenal tesied
aneyzed for any partl,,tAar purpose or use "Ns ceArficate or reoOft ib ble COnfident■at property of .r dient and may plat be used far advelising purposes This certficam cA report strati not be repArdoted
except n AA+ Aftout wAtten appovat th. laboratory .d snall ,goed or othervAse approved Dy autflo,ved staff ry,embe,A only The veccAding faise fiAtitoEss or fraudulent statemeAts entnes tnA,
the Si S Deportment of Commerce under tile Export Adronstration Ad and the Export Adm€M Reguiations The delartment of Commerce's poor wigten awava! is requAed for Ule expod or 88-expoOtm-
trarlsfer of such fechnfcal mformaton to any foretgn person foreign entty or forego organtzaten kbfibbler irt Ghe thAted States or abroad EAR-CONTRa LED DATA
Stork Twin Cy Testing u"p°mtioois=" operating unit w Stork Materials Technology ex. Amsterdam, The Netherlands, which °° member m the Stork Group.
2010 Condition Study and Structural Analysis of the
Columbia Heights Maintenance Garage
Columbia Heights, Minnesota
BCG Project Number: R788 -10 -1
TCT Project Number: TCT005110P
January 7, 2011
TABLE OF CONTENTS
secfaon Description peke Number,
1. Introduction 1
2. Project Description 1
3. Condition Study Procedures 1
A. Background information Review 1
B. Field Observations 2
C. Delamination Survey 2
D. Chloride Ion Testing 2
E. Rating Definitions 2
4. Structural Analysis 3
A. Field Measurements 3
B. Reinforcing Steel Layout Survery 3
C. Concrete Coring and Compressive Strength Testing 3
D. Structural Calculations 3
5. Condition Study Results 4
A Structural Systems 4
1. Structural Slab System 4
2. Concrete Beams and Columns 4
B. Waterproofing Systems 4
1. Floor Coating System 4
2. !Drainage and Drainage Fixtures 4
C. Chloride on Test Results 5
6. Structural Analysis 5
A. Field Documentation 5
B. Concrete Coring and Compressive Testing 5
C. Structural Analysis 6
7. Repair Cost Analysis 7
8. Conclusions and Recommendations 7
A. Condition Study Conclusions 7
B. Structural Analysis Conclusions 8
Condition Study and Structural Analysis of the
Columbia Heights Maintenance Garage
January 7, 2011
Page 1 of 8
20 40 condition , dy and Structural Analysis of the
co umbia Heights maintenance Garage
bi
I Minnesota ,\
Iwo project Number R788.4e.1
TOT ProjOct Nuinber TCT O1 1
IN .
Twin City Testing, Inc. (TCT) along with its restoration
engineering consultant Buildings Consulting Group, Inc. (BCG),
referred to as the TCTBCG team in this report, was retained by
the City of Columbia Heights to perform a condition study and
structural analysis of the Columbia Heights Maintenance
Garage, located in Columbia Heights, Minnesota.
The City of Columbia Heights is interested in determining the
current condition of the Maintenance Garage Supported Slab
and approximate budget needs for a repair and maintenance
program to address the deterioration that is present and to
protect the structural elements from ongoing deterioration and
major repair programs in the future. The general objectives of
this condition study are:
• To assess the current conditions of the structural and
waterproofing components of the maintenance facility
garage.
• To evaluate repair and protection options and their
associated costs to determine a cost effective repair
strategy.
• To provide a structural analysis of the structural slab and
support members to evaluate the load carrying capacity.
PROJECT
The Columbia Heights Maintenance Facility was constructed in
1973 and consists of one structurally supported level. The total
area of the structurally supported level measures approximately
210 feet by 110 feet. The supported level utilizes a mild steel
reinforced cast -in -place concrete slab with mild steel reinforced
concrete columns and beams.
Ongoing maintenance has been performed in the past
consisting of isolated concrete patching and applying an epoxy
floor coating system.
CONDITION STUDY PROCEDURES
Our engineering services for the condition study of the
maintenance garage, included the following:
Background Information We reviewed original design plans as made available to us.
Review We discussed maintenance records with the garage
operator's/building engineering /maintenance staff to familiarize
Twin City Testing — Buildings Consulting Group, Inc.
Condition Study and Structural Analysis of the
Columbia Heights Maintenance Garage
January 7, 2011
Page 2 of 8
ourselves with the structural repair /maintenance records in
order to reduce the number of assumptions to be made.
Field Observations Observations were performed to document the condition,
extent, and location of concrete deterioration. Observations
were made using the terminology outlined by ACI Committee
report #201.1R.
This phase of work included a visual review of:
• Structural components such as structural deck ceilings,
beams, columns, and walls
• Waterproofing components such as expansion joints,
traffic coating, and joint sealants.
• Drainage items, such as surface drainage profile,
drainage fixtures and pipes.
Delamination Survey A delamination survey was performed using the chain drag
method on the topside of the structural concrete slabs to locate
areas with internal delaminations. All hollow sounding areas
will be circled with chalk marks on the concrete floor surface for
temporary identification.
The remaining structural elements such as ceilings, beams,
walls and columns were sounded with a hammer as required.
The underside of the beams and structural slab were sounded
from a hydraulic lift that was available on site.
Chloride Ion Testing Concrete dust samples were taken from three locations to
measure the water - soluble chloride -ion content in the stabs.
Samples were taken using a 1/2" diameter rotary percussion
drill at intervals of W' to 1-1/2", and 1-1/2 to 2-1/2" from the slab
surface. A total of two concrete dust samples will be taken at
each location. We patched the sample locations with a
cementitious grout at the completion of our fieldwork.
The water - soluble chloride ion content of the concrete dust
samples was tested using FHWA RD -77 -85 procedures by
Twin City Testing.
The test results of the chloride ion contents were reviewed to
evaluate the potential of future reinforcing steel corrosion and
their impact on repair options.
Condition Study Rating A scale of excellent to poor is used to describe the general
Definition condition of the structure. These descriptions as used in this
report are defined in the following paragraphs.
Excellent These structural components are in a like
new" condition, and are performing as
intended.
Good These structural components are slightly
distressed but are performing as intended.
Fair These structural components exhibit notable
Twin City Testing — Buildings Consulting Group, Inc.
Condition Study and Structural Analysis of the
Columbia Heights Maintenance Garage
January 7, 2011
Page 3 of 8
dimtrems, but are performing adequately
although not as originafly intended.
Poor These structural components are significantly
detohonated, and are not performing as
intended.
Our engineering services for the structural analysis of the
maintenance garage, included the foliow
Field Measurements Performing fiefd documentation of the as-bulit Jayout and sizes
of the concrete columns and beams and verifying the structural
components with the original design drawings.
Reinforcing Steel Layout Performing field documentation using a pachometer to identify
Survey the existing reinforcing steel Iayout in the structural slab at the
topside and underside of the structural slab. The reinforcing
steel layout was identified in two bays on the slab underside
and three beam lines on the topside otthe slab.
Concrete Coring and Three 4" diameter core samples were taken from the structural
Compressive Strength s!ab for laboratory testing. The core Iocations were repaired
Testing with a concrete patch material.
Tvvin City Testing obtained and tested the core samples to
document their compressive strength. The resufts were used to
identify the existing c sive strength of the concrete to be
used in the structurat anatysis.
Structural Calculations Structural calculations included calculations of the concrete
e|mb, typical beams and columns to judge the structural
capacity. The analysis used the strength and test data
obtained from the condition study as well as information
contained in the original pians and specifications.
Our work did not include structural calculations to verify the
original design or as-built capacity of the entire parking
structures except the structural components indicated.
Twin City Testing — Buildings Consulting Group, Inc.
Condition Study and Structural Analysis of the
Columbia Heights Maintenance Garage
January 7, 2011
Page 4 of 8
cto4twoott STUDY RESULTS
Our condition study results are summarized below.
STRUTURAL SYSTEMS
Structural Slab S stem The structural slab system consists of cast-in-place one-way
concrete slab with mild reinforcing steel. The concrete slab
displayed concrete spalling/delamination distress throughout
the structurally supported floor slab. The spalling/delaminations
were typically located along the beam lines at the topside of the
slab where the top reinforcing steel is located. The
- ' delaminated area was estimated to be about 5% of the total
3.4.1tN, area.
The concrete slab displayed isolated concrete sparring distress
Floor Delamination on the underside of the slab. Past repairs to the underside of
the slab had been performed and consisted of shotcrete
concrete repairs. The most extensive locations of concrete
spalling were located below the entrance and exit lanes and at
isolated drain locations.
„ -
Slab Underside Spelling
Concrete Beams and Columns The concrete beams and columns consisted of mild reinforced
cast-in-place concrete members. The columns and beams
were in good condition with isolated concrete spalling present
throughout the underside of the structural slab.
WATERPROOFING
Floor Coating System The structural slab had an epoxy type floor coating system
applied to the surface of the concrete stab. In general the
coating was performing adequately. The coating appeared to
be a one-coat system and the coating had been re-applied
every 5 to 10 years.
Drainage and Drainage The drainage of the supported slab was good, positive drainage
Fixtures was present throughout the maintenance garage. Drains were
present in the middle of every bay between beams. Most of the
drains were located along the mid-line of the slab, however, a
54,41.
Line of drains were also present at the west parking stall bays
as well as in the wash bay.
Itt;01
,1;-
The drains and piping were in good condition and consisted of
- , cast-iron drains with a mixture of original cast-iron piping as
w ell as PVC rep p sec
Typical Drain System
Twin City Testing — Buildings Consulting Group, Inc.
Condition Study and Structural Analysis of the
Columbia Heights Maintenance Garage
January 7, 2011
Page 5 of 8
HL RIDE ION "PEST ES
The chloride ion testing results are shown in Table 1 below.
Table 1: Chloride on Test Results
2010'1 ifater
Sample =..Description D p a.:.. Sotuble Chl de-:
:...
e1�ir
'/2" to 1'/2" 1910
1 Grid C.8, 3 - - - --
1'/2" to 2'/2" 450
2 Grid B, 4.3 ' /z to 1' /z 660
_ __
11/2" to 214" 330
' /z" to 1' /z" 87
3 Grid I, 4
1'/" to 2'/2" 50
*Chloride Ion Content is expressed in parts per million (mg/kg)
The threshold value for increased potential for corrosion
occurring in a concrete encased slab is approximately 300 parts
per million. The chloride ion level in the concrete slab from the
'/" to 1'/2" depth has exceeded the threshold value in two of the
samples. The reinforcing steel is generally located at
approximately 2" from the top of the slab, the chloride ion levels
at the 1'/2" to 2'/2" depth were above the threshold value for
corrosion in two samples.
STRUCTU NALYtS " "..
Field Documentation Field documentation was performed and included verifying the
sizes and spacing of structural support members including
beams and columns. The size and spacing of beams and
columns matched the original design drawings.
The reinforcing layout for the structural slab was also verified
using a pachometer (reinforcing steel bar locator) to identify the
as -built layout of the top and bottom steel in the structural slab.
The reinforcing steel layout was reviewed at three locations on
the topside of the slab as well as three locations on the slab
underside. The location of the reinforcing steel corresponded
with the structural drawings.
Concrete Coring and Concrete cores, 3" in diameter, were removed from the
Compressive Testing structural slab at three locations to attain the in place concrete
compressive strength to be used in the structural analysis.
The compressive test results were as follows:
Twin City Testing — Buildings Consulting Group, Inc.
Condition Study and Structural Analysis of the
Columbia Heights Maintenance Garage
January 7, 2011
Page 6 of 8
• Core #1 — 6380 psi
• Core #2 — 5700 psi
• Core #3 — 6010 psi
The average concrete compressive strength used in our
analysis was 6000 psi. The original design strength as shown
on the structural drawings was 4000 psi.
Structural Analysis A structural slab analysis was performed to determine the as-
built capacity of the structural slab, typical beam and typical
columns. The structural drawings by Frank Horner Co., dated
May 1, 1972, were reviewed to determine the original design
Toads and reinforcing steel layout. The design loading for the
structural slab was not provided on the drawings.
Our analysis of the structural support system utilized the field
collected data as well as the design drawings to determine the
capacity of the structural elements. We analyzed the structural
elements using code required live loads as well as the axle
loads for the equipment that is serviced in the maintenance
garage.
Our review of the structural slab consisted of applying a uniform
live load on the parking garage slab and superimposing axial
loads for the heavier vehicles in the garage. Based on our
analysis the existing slab is not sufficient to support the heavy
wheel loads associated with the heavy commercial vehicles,
such as the front end loader, vector truck, plow trucks and
water truck. The concrete slab span length of 20 feet and the
minimal slab depth of 7" to 8-W controls the maximum load
carrying capacity of the slab and its inability to support the
heavier applied loads.
We analyzed the structural beams as a continuous member as
it is shown on the structural drawings. Based on the reinforcing
steel layout in the beams the capacity of the beams are capable
of only supporting the concrete dead load as well as a uniform
live loading condition of 65 pounds per square foot. The code
required live load for a parking garage is 50 pounds per square
foot. However, the beams were not capable of supporting
the axial loads of the front end loader or single axle dump
trucks.
We also analyzed the beams in the way that they are likely
performing, as a three bay beam with the fourth beam acting as
a simply supported beam. The minimal amount of top steel
over the column support at Grid 3 leads us to believe that this
scenario is how the structural beams are truly acting. Based on
this analysis the structural beams are capable of supporting a
100 psf live Toad in addition to the axial Toads from the heavier
vehicles in the garage.
Our analysis of the columns indicates that they are sufficient to
support the loads applied to the garage structural members.
Twin City Testing — Buildings Consulting Group, Inc.
Condition Study and Structural Analysis of the
Columbia Heights Maintenance Garage
January 7, 2011
Page 7 of 8
REPAIR COST ANALYSIS
Based on the amount of concrete distress present in the
maintenance garage, a medium term type of repair program
was evaluated.
This repair option is the recommended amount of required
repairs to keep this facility in compliance with current building
codes along with installation of protective waterproofing
measures such as installation of a traffic membrane.
Accordingly this repair option is considered pro - active.
The service life for "Medium -Term Repairs" is estimated
between 10 and 15 years. This means this type of repair
program will be required every 10 to 15 years. The estimated
costs for these repairs are shown in Table 2.
Table 2 — Medium Term Repair Budget
Item No Description Estimated Price
1 Contractor's Overhead & Mobilization $14,000
2 Concrete Repairs and Reinforcing Steel $26,000
3 Concrete Underside Repairs $23,000
4 Application of Traffic Coating on Slab $50,000
5 Floor Drains and Piping $7,000
6 Miscellaneous Repairs $5,000
7 Subtotal $126,000
8 Contingency Budget $13,000
9 Professional Design Services $13,000
10 Recommended Repair Budget $152,000
(1) These items are based on 2010 construction cost trends and do not include
provisions for inflation, financing costs, and other related cost factors.
CONCLUSIONS AND RECOMMENDATIONS Condition Study Conclusions Based on our condition study, the maintenance garage is in fair
to good condition. Widespread concrete delaminations were
present in the structural slab, particularly along the beam lines.
This distress is caused by water and deicer salt infiltration
causing corrosion of the embedded reinforcing steel.
Repairs to the concrete slab and supporting members are
recommended in the next year to maintain the condition of the
maintenance garage. The repairs should include concrete slab
repairs to address topside concrete delaminations along the
structural beam lines, replacing significantly deteriorated
reinforcing steel and installing a new concrete repair material.
Underside concrete repairs to the concrete slab and supporting
members should be addressed with a concrete repair material
Twin City Testing — Buildings Consulting Group, Inc.
Condition Stu of the
Columbia Heights Maintenance Garage
January 7.2D11
Page 8of8
from the underside of the structural slab or as a full depth
concrete slab repair.
Upon completion of the concrete napsirs, a new traffic coating
system should be installed to the concrete slab that would
include a three coat system. The existing epoxy coating
system appears to be performing adequately, hwvvevor, epoxy
material is brittle and is prone to cracking which allows water
and salt penetration in the concrete slab. We recommend a
three coat system that would include a urethane base cnet,
urethane wear coat and epoxy top coat. The urethane base
coat would provide a waterproofing layer that would have
increased flexibility characteristics over a complete epoxy
system.
We recommend that a medium term repair approach be
performed to address the deterioration in the maintenance
garage. The budget recommended for the repairs is estimated
at $1 52,000, including contingency and engineering fees.
Structural Analysis The structural analysis resuits indicate that the structural slab is
Conclusions not sufflcient to support the wheel loads associated with the
heavy equipment that is housed in the maintenance garage.
We recommend that the heavy vehicles be prohibited from
parking on the structural slab as the analysis indicates that the
concrete slab is severely over-stressed. Particulariy due to the
|omdedp|owtruckm.fruntmnd|omdmrandxectortruuk.
The existing slab can be strengthened in a number of ways
including:
• Slab Replacement — Increasing the slab thickness and
reinforcing steel area to increase the slab capacity.
• Supplemental Supports — Decreasing the slab span by
installing supplemental steel beams.
• Carbon Fiber Reinforcement and Slab Repairs —
Increasing the slab capacity with a combination of
increased top steel reinforcement at beam lines and
carbon fiber reinforcement on the slab underside.
The costs associated with the strengthening of the siab was not
anm|yzad, hmwaver, a ball park figure for complete slab
replacement would be $700,000 to $900,000.
We recommend that a slab strengthening option be reviewed to
determine a more accurate cost estimate for strengthening the
structural slab and determine the most cost effective
strengthening option.
Twin City Testing and Buildings Consulting Group, Inc. are
available to perform the structural slab strengthening review
and the design of the Medium Term Repairs.
Twin City Testing — Buildings Consulting Group, Inc.
3
CITY COUNCIL LETTER
Work Session of: March 7, 2011
AGENDA SECTION: WORK SESSION ORIGINATING DEPARTMENT: CITY MANAGER
PUBLIC WORKS
ITEM: SIX CITIES WMO - RESOLUTIONS (2) BY Kevin Hansen BY: ',9 /, �
TERMINATING MEMBERSHIP IN THE SCWMO AND DATE: March 3, 24 DATE: /
REQUESTING THE MISSISSIPPI WATERSHED
MANAGEMENT ORGANIZATION EXPAND THEIR
BOUNDARIES TO INCLUDE A PORTION OF THE CITY
OF COLUMBIA HEIGHTS
Background: (The 6 Cities WMO was previously discussed with the Council on August 2 " and March I 2010, and
February 7 2011).
The Six Cities Watershed Management Organization (SCWMO) was formed on December 30, 1983 through a Joint Powers Agreement
under the authority conferred to the member parties in 1982 through the Metropolitan Surface Water Management Act. The cities are
comprised of Blaine, Columbia Heights, Coon Rapids, Fridley, Hilltop and Spring Lake Park. Approximately 90 percent of the land area
of Columbia Heights is in the Six Cities WMO. See attached location map.
The WMO Plan was last updated and approved by all member cities in 1998. As required by Minnesota Statutes, the WMO must update
its plan at least every ten years, and make any necessary changes to the JPA.
The SCWMO primary purpose was to manage water quantity and quality issues. In recent years the regulations governing WMO's have
changed requiring a higher level of management to remain compliant with current water quality rules. These changes have resulted in
increased financial obligations for the operation of the SCWMO and its related programs. The SCWMO has been drafting a plan to
comply with the required higher levels of compliance, and in doing so, realizes that 1) substantial funding is necessary to operate at this
level and to provide the required level of service to Columbia Heights residents, 2) the SCWMO will have to provide staffing in order to
meet these requirements, and 3) the administration of the SCWMO will require a large amount of reorganization to provide the
necessary direction to meet these requirements as mandated.
The SCWMO currently does not have legislative authority to levy to provide funding for operating the SCWMO, and while this was
investigated, it was determined that obtaining this legislative authority is highly unlikely in the near future.
Analysis /Conclusions:
The Board of Soil and Water Resources (BWSR) has been contacting WMO organizations to review 2007 legislative changes with the
WMO Boards. These changes are focused on monitoring the performance and activities of local water management entities and
establishing Plan standards. BWSR has clearly indicated that the WMO will need to have significant modifications to the plan based on
2007 legislation and their interpretation of the Rules (Statute 103B and MN Rules 8410).
The WMO completed an update (3 generation) to the Six Cities Water Management Plan at the end of 2009. An updated plan requires
that the Joint Powers Agreement, JPA, also be amended. The Plan provides that the Six Cities WMO has historically left planning and
financing capital improvements up to the individual member cities. The WMO instead has focused on water quality initiatives,
promoting educational resources and opportunities, and storm water boundary issues involving more than one member city. Major
capital improvements were identified in the proposed 3rd Generation Plan in the Cities of Blaine and Coon Rapids, and to a lesser extent
in Fridley related to Springbrook.
The City of Blaine informed the SCWMO in July 2010 that it is their intent to petition to withdraw from the SCWMO and will not
be signing a new JPA, without a provision that allows member Cities to withdraw from the WMO. This presents a significant
complication in the moving forward under the original premises of the WMO. The reasoning Blaine has indicated is financial. One
of the components of the new plan is incorporating a 10 -year Capital Improvement Plan (CIP) into the plan. Significant
improvements were identified involving Blaine. Blaine's position is to petition Coon Creek Watershed District to incorporate all of
the Blaine area into the watershed district. This is contrary to the original formation of the WMO by keeping costs low and surface
water improvements at the local level for responsibility. Blaine represents 15.75% of the annual SCWMO budget. Additionally, it
CITY COUNCIL LETTER
Work Session of: March 7, 2011
AGENDA SECTION: WORK SESSION ORIGINATING DEPARTMENT: CITY MANAGER
PUBLIC WORKS
ITEM: SIX CITIES WMO - RESOLUTIONS (2) BY: Kevin Hansen BY:
TERMINATING MEMBERSHIP IN THE SCWMO AND DATE: March 3, 2011 DATE:
REQUESTING THE MISSISSIPPI WATERSHED
MANAGEMENT ORGANIZATION EXPAND THEIR
BOUNDARIES TO INCLUDE A PORTION OF THE CITY
OF COLUMBIA HEIGHTS
Page Two
is unknown at this time if Blaine's request would follow municipal boundaries or watershed (drainage area) boundaries — involving
the City of Coon Rapids. It was suggested at the last board meeting to organize a joint meeting with all member cities along with
elected officials to discuss the continuation of the WMO further.
On October 7, 2010, SCWMO staff received a letter from the Board of Water and Soil Resources (BWSR), the state agency regulating
watershed districts and watershed management organizations. The letter was in response to a September 14, 2010 workshop that
discussed the operation and plan status of the SCWMO. The letter was from Jim Haertel, BWSR Metro Region Supervisor. In his letter
Mr. Haertel notes the three options available for the Six Cities Board to consider. These include 1) continue operating as a JPA WMO
with five or fewer cities, 2) continue operating as a JPA WMO only if special levy legislation is attained, and 3) dissolve the JPA and
discontinue the SCWMO completely and join an adjacent water management organization.
Subsequent to Blaine petitioning to withdraw, the Cities of Coon Rapids (November) and Fridley (January 2011) have indicated
their intent to withdraw from the 6 Cities WMO. This removes approximately 74% of the funding for the WMO (see attached
member City funding breakdown). It is now no longer feasible, financially and logistically, to operate the SCWMO — essentially
forcing the disbanding of the organization.
As State law (Statute 103B) requires all land area to be in a WMO or Watershed District (WD), staff recommends petitioning to be
included in another existing Mississippi WMO or WD as follows:
➢ Abandon the WMO and incorporate the land area into adjacent watershed districts: In the SCWMO area in Columbia Heights,
our land area would be best suited geographically for incorporation into the Mississippi WMO, along with SCWMO land area
in Hilltop and the southern part of Fridley. The Mississippi Watershed Management Organization boundaries include the
Mississippi River as it runs through Minneapolis, as well as the land that drains to the river. The MWMO contains portions of
the cities of Lauderdale, Minneapolis, St. Anthony, St. Paul, and the Minneapolis Park and Recreation Board. The WMO
operates under a JPA, similar to the SCWMO, but is the only WMO in the State that has taxing authority, similar to a
Watershed District (WD).
Attached is a spreadsheet showing tax impacts for the Mississippi WMO for a range of home values (provided by the MWMO). Using
$150,000 as a median value, the Mississippi WMO would add $29.07, annually, to the properties' taxes (using 2010 data).
The attached resolution makes a request to the MWMO to move the former area of the SCWMO to their WMO. Upon each
respective board approval of the request they will then petition the Board of Water and Soil Resources to approve a change in their
boundaries. In addition, the MWMO is requested to amend its JPA for the purpose of inclusion of the respective portion of the
City of Columbia Heights. Upon their approval, a JPA will be presented for the City Council's approval. The cities of Blaine,
Coon Rapids and Fridley have taken similar action for their respective boundary changes. The City of Spring Lake park has
indicated they are taking action for a boundary change to the Coon Creek Watershed District. Staff believes the MWMO will
provide added levels of service, funding, opportunity, and improvements that the SCWMO would be unable to provide in
managing water quantity and quality issues. Each agency has existing staff, program and project budgets, and improved access to
outside funding to serve member communities. I have also attached a map that shows the boundary change that Fridley has already
enacted by resolution.
CITY COUNCIL LETTER
Work Session of: March 7, 2011
AGENDA SECTION: WORK SESSION ORIGINATING DEPARTMENT: CITY MANAGER
PUBLIC WORKS
ITEM: SIX CITIES WMO - RESOLUTIONS (2) BY: Kevin Hansen BY:
TERMINATING MEMBERSHIP IN THE SCWMO AND DATE: March 3, 2011 DATE:
REQUESTING THE MISSISSIPPI WATERSHED
MANAGEMENT ORGANIZATION EXPAND THEIR
BOUNDARIES TO INCLUDE A PORTION OF THE CITY
OF COLUMBIA HEIGHTS
Page Three
At the February 10 regular SCWMO meeting, the Board voted to disband and dissolve. To effect this the SPA for the SCWMO
must also be dissolved by all member cities. The second resolution, prepared by the Board attorney, accomplishes this. Each Board
member was requested to bring the Official City action back to the March 16 SCWMO meeting.
Recommended Motion: Move to adopt Resolution 2011 -09 being a resolution requesting that the Mississippi Watershed
Management Organization expand its boundaries to include a portion of the City of Columbia Heights, currently in the Six
Cities Watershed Management Organization lying south of the City of Fridley.
Recommended Motion: Move to adopt Resolution 2011 -10 being a resolution to terminate the City of Columbia Heights'
membership in the Six Cities Watershed Management Organization.
Attachments: SCWMO Boundary Map
MWMO Tax Impact
Resolutions (2)
COUNCIL ACTION:
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The rate is the same for all property types. The rate is applied to the local tax capacity of the property which is arrived at
by applying class percentages to the property according to type. For single family residential properties under an assessed
value of 500,000, the local tax capacity is 1% of the assessed value.The final rate for 2010 for the MWMO was 1.938 %.
Final rate for 2011 will be available in late February. (Per Henn County Tax Accounting Supervisor, 1/14/2011 email.)
For taxes payable in 2010, the median taxable values by munic for residential property (type R or RL) in the Middle
Mississippi WMO are: Minneapolis $172,700 (sample size 28,900) and St. Anthony $232,000 (sample size 1,187) (Per
Hennepin County Taxpayer Services, 1/14/2011)
MWMO Certified Levy To Change
2010 2011 2010 to 2011
$ 4,850,000 $ 4,850,000 0%
Local Tax
Assessed Capacity is 1% of
Value Assessed Value Rate 2010
1% 1.938%
$ 100,000 $ 1,000 $ 19.38
$ 105,000 $ 1,050 $ 20.35
$ 110,000 $ 1,100 $ 21.32
$ 115,000 $ 1,150 $ 22.29
$ 120,000 $ 1,200 $ 23.26
$ 125,000 $ 1,250 $ 24.23
$ 130,000 $ 1,300 $ 25.19
$ 135,000 $ 1,350 $ 26.16
$ 140,000 $ 1,400 $ 27.13
$ 145,000 $ 1,450 $ 28.10
$ 150,000 $ 1,500 $ 29.07 Columbia Heights Median Value
$ 155,000 $ 1,550 $ 30.04
$ 160,000 $ 1,600 $ 31.01
$ 165,000 $ 1,650 $ 31.98
$ 170,000 $ 1,700 $ 32.95
$ 172,700 $ 1,727 $ 33.47 Minneapolis Median Taxable Value
$ 175,000 $ 1,750 $ 33.92
$ 180,000 $ 1,800 $ 34.88
$ 185,000 $ 1,850 $ 35.85
$ 190,000 $ 1,900 $ 36.82
$ 195,000 $ 1,950 $ 37.79
$ 200,000 $ 2,000 $ 38.76
Coon Rapids
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0 \ G1519100010 \watershUlprojects‘Six_Cay_Watershed_ to MWMO mxd - Map Date February 4 2011
RESOLUTION NO. 2011-09
REQUESTING THE MISSISSIPPI WATERSHED MANAGEMENT ORGANIZATION TO
CONSIDER AMENDING ITS JOINT POWERS AGREEMENT TO INCLUDE
MEMBERSHIP OF THE CITY OF COLUMBIA HEIGHTS AND EXPAND ITS
BOUNDARIES TO INCLUDE A PORTION OF THE CITY OF COLUMBIA HEIGHTS
CURRENTLY IN THE SIX CITIES WATER MANAGEMENT ORGANIZATION
WHEREAS on December 22, 1983, the Columbia Heights City Council entered into a Joint Powers
Agreement with the cities of Blaine, Coon Rapids, Fridley, Hilltop, and Spring Lake Park for the
purpose of organizing a watershed management organization to be known as the Six Cities Watershed
Management Organization, and
WHEREAS on July 25, 1994, the Columbia Heights City Council authorized execution of a Restated
Joint Powers Agreement that revised the original Joint Powers Agreement to bring it into compliance
with statutory changes, and
WHEREAS the City of Columbia Heights is considering the possibility of withdrawing from the Six
Cities Watershed Management Organization (SCWMO) and requesting an existing watershed
management organization to expand its boundaries to include certain property within the City of
Columbia Heights legally described within the SCWMO and lying south of the municipal boundary of
with the City of Fridley and shown on the attached map, and
NOW, THEREFORE, BE IT RESOLVED that the City of Columbia Heights, Anoka County,
Minnesota, hereby requests the Mississippi Watershed Management Organization amend its existing
Joint Powers Agreement to include the City of Columbia Heights as a member with representation, and
further requests the Mississippi Watershed Management Organization expand its boundaries to include
the portion of the City of Columbia Heights currently within the SCWMO and lying south of the
municipal boundary with the City of Fridley as described above. It is understood that this request is
contingent upon the withdrawal of the City of Columbia Heights from the SCWMO, and
BE IT FURTHER RESOLVED that after approval of the board of the Mississippi Watershed
Management Organization to expand its boundaries to include the above described property within the
City of Columbia Heights, that the City Council of the City of Columbia Heights requests the
Mississippi Watershed Management Organization to petition the board of Water and Soil Resources
(BWSR) to approve a change in the boundaries of the Mississippi Watershed Management
Organization to include the area currently within the SCWMO and lying south of the boundary with
the City of Fridley in the Mississippi Watershed Management Organization.
Offered by: CITY OF COLUMBIA HEIGHTS
Seconded by:
Roll Call: BY
Mayor Gary L. Peterson
Patricia Muscovitz, CMC
City Clerk
RESOLUTION NO. 2011 -10
DISSOLUTION OF SIX CITIES WATERSHED MANAGEMENT ORGANIZATION
WHEREAS, the City of Columbia Heights has been a member of the Six Cities Watershed
Management Organization since the adoption of the original Joint Powers Agreement creating
that Watershed Management Organization on December 30, 1983, and
WHEREAS, the City of Columbia Heights has now determined that the City will be better
served by dissolving the Six Cities Watershed Management Organization and transferring the
territory which was previously in the Six Cities Watershed Management Organization to a
different Watershed Management Organization.
NOW, THEREFORE, BE IT RESOLVED that the City of Columbia Heights hereby terminates
its membership in the Six Cities Watershed Management Organization Joint Powers Agreement
and requests that pursuant to that Agreement, the Six Cities Watershed management
Organization be dissolved within the next ninety (90) days.
Passed this day of , 2011
Offered by:
Seconded by:
Roll Call:
Mayor Gary L. Peterson
Attest:
Patricia Muscovitz, CMC
City Clerk
9
CITY COUNCIL LETTER
Meeting of 03/07/11
AGENDA SECTION: CONSENT AGENDA ORIGINATING DEPARTMENT: CITY MANAGER
NO: PUBLIC WORKS
ITEM: APPROVE AMENDMENT NO 1 TO THE BY K. Hansen Mg. BY:
PROFESSIONAL SERVICES AGREEMENT WITH DATE: 03/02/11` v' .r DATE:
KIMLEY -HORN FOR THE GATEWAY PEDESTRIAN
BRIDGE
Background:
The City Council awarded the Construction Engineering services for the Gateway Pedestrian Bridge at their March 22 °d , 2010 regular
meeting. A QBS, or Qualification Based Selection process was used for the basis of award. The Construction Engineering includes the
following services:
1.0 Overall Project Management
2.0 Construction Inspection
3.0 Materials Sampling and Testing - Field Sampling and Testing
4.0 Contract Administration
5.0 Construction Surveying
6.0 Project Closeout
The Council authorized the Construction Engineering by Kimley -Horn at a negotiated cost of $229,966.
Analysis /Conclusions:
The construction on the bridge is now nearing completion at over 90% complete. Remaining work includes lighting, ornamental railing
and restoration. As previously reported to the Council, ornamental railing issues arose during installation causing delay. The project
initiation was also delayed approximately 6 weeks due to receiving Federal Funding authorization. The Project had an original
substantial completion date of September 3` 2010. The actual substantial completion date was October 19 2010, following the
delayed award.
Additional work was performed by the Construction Engineer during construction for coordination and approvals with MnDOT for:
revisions to the traffic signals for pedestrian crossings, coordination with Xcel for additional lighting related to the pedestrian crossing,
and clarifying additional design issues from MnDOT or from City staff. Additional material testing was also perfomed due to existing
soil conditions at the Helix and the number of actual concrete pours. The additional work tasks have been identified with associated
consultant costs that are outside the scope of the original professional services agreement dated March 22 2010 with an outline of each
work task and associated cost provided below:
Additional consultant services during construction:
1. Coordination /Approvals with MnDOT and Xcel $1,575
2. Additional Materials Testing $6,688
3. Design Modifications $2,540
Additional construction services performed to date: $10,803
Additional services necessary to complete project:
a) Site Inspection and Project Closeout $22,493
b) Material Testing $550
c) Electrical $890
d) As -Built Surveying (Record drawings) $5
Additional construction services to complete project: $29,109
COUNCIL ACTION:
CITY COUNCIL LETTER
Meeting of 03/07/11
AGENDA SECTION: CONSENT AGENDA ORIGINATING DEPARTMENT: CITY MANAGER
NO: PUBLIC WORKS
ITEM: APPROVE AMENDMENT NO. 1 TO THE BY: K. Hansen BY:
PROFESSIONAL SERVICES AGREEMENT WITH DATE: 03/02/11 DATE:
KIMLEY -HORN FOR THE GATEWAY PEDESTRIAN
BRIDGE
Kimley -Horn
Page 2
A copy of the proposal letter for the outlined contract amendments to Kimley -Horn's design services is attached detailing the scope of
work for each item. The additional cost of $39,912 for a revised contract amount of $269,878. The additional work has resulted from
either MnDOT traffic management reviews (for TH 65), coordination issues with ISD 13 for pedestrian crossing or staff requested
changes or additions. Public Works staff is of the opinion that the additional work is necessary for the Gateway Pedestrian Bridge
project and recommends approval of the change order in the amount of $39,912.
Recommended Motion: Move to authorize Amendment No. 1 in the amount of $39,912 to Kimley -Horn for the Gateway Pedestrian
Bridge as detailed in the attached letter dated February 28 2011 for a revised professional services agreement of $269,878; and,
authorize the Mayor and City Manager to amend the agreement for the same.
KH:jb
Attachment: Kimsey Horn Letter dated February 28` 2011
COUNCIL ACTION:
E =" Kimley -Horn
and Associates, Inc.
Mr. Kevin Hansen, PE
Director of Public Works •
City of Columbia Heights Suite 236N
St. 2550 P University l Minnesota
Avenue West
637 - 38th Avenue NE
St. Paul, Minnesota
Columbia Heights, MN 55421 55114
March 3, 2011
Re: Gateway Pedestrian Bridge over TH 65
Columbia Heights, MN
Request for Supplemental Services
Dear Mr. Hansen:
As you are aware, construction of the pedestrian bridge has taken longer than the
time allocated in the original schedule. Specifically, the original date of
substantial completion for the project was September 3, 2010 with a final
completion date of October 29, 2010.
The actual date of substantial completion was October 22, 2010 which is day of
the initial opening of the bridge. Final completion of the bridge will occur in late
spring, 2011 pending resolution of the bridge railing issue.
Due to the increased length of construction, we have spent more time on the
construction administration and inspection that originally anticipated in the
contract. The estimated fees to complete the project is $29,109.00. A summary of
estimated additional time is provided in the attachment to this request.
In addition to the extended duration of construction activity, we have also
expended more effort in material testing on the project. Material testing
originally was budgeted at $15,200 and thru January 31, 2011, $21,888 has been
spent. This increase in material testing is due to the need for soil testing and over
excavation of poor soils in one area of the project and also due to significantly
more concrete pours than originally anticipated in the original estimate.
We respectfully request consideration of this request for a supplemental
agreement by the City of Columbia Heights for this additional work. If this is
acceptable to the City, we will prepare a supplemental agreement.
TEL 651 645 4197
FAX 651 645 5116
An Affirmative Action Equal Opportunity Employer
Mr. Kevin Hansen
March 3, 2011
Page 2
We look forward to working with you and City Staff to complete this project.
Very truly yours,
KIMLEY -HORN AND ASSOCIATES, INC.
d i, '.. - �(
D. Pertzsc'h, P.E.
Project Manager
Cc: Matt Jensen
Jon Horn
Enclosure
49th Ave. and Central Ave. Pedestrian Bridge Kimley -Horn
Construction Phase Services - Additional Services and Associates, Inc.
Estimated Fees and Expenses March 3, 2011
1. Fees to Finish
Task Task Project Team KHA
No. Description PM Sr. Eng Analyst Tech Admin Total
A Railing Installation 0 4 0 8 0 12
B Concrete Pavement 0 4 0 8 0 12
C Punchlist 2 8 0 24 2 36
D Record Drawings 2 16 0 20 0 38
E Surveying 0 0 0 4 0 4
F Material Testing 0 0 0 2 0 2
G Coordination /Project Management 6 0 0 0 3 9
H Contract Administration 0 2 0 0 1 3
I Project Closeout 5 12 0 10 3 30
J Railing Modifications /Contractor Documentation 4 20 0 4 1 29
K Electrical Work 0 2 0 10 0 12
Total Hours 19 68 0 90 10 187
Hourly Rate $145.00 $130.00 $92.50 $100.00 $62.50
Total Labor $2,755.00 $8,840.00 $0.00 $9,000.00 $625.00 $21,220.00
Expenses @ 6% $1,273.00
Total Estimated Fees $22,493.00
2. Materials Testing (Braun Intertec)
Task Task Project Team Braun Intertec
No. Description PM Sr. Eng Analyst Tech Proj. Asst. Total
A Soil Testing See attached sheet for additional list of tests $0.00
B Concrete Testing See attached sheet for additional list of tests $500.00
C Reporting /Project Management $0.00
Total Hours 0 0 0 0 0 $500.00
Hourly Rate $125.00 $99.00 $92.50 $70.00 $50.00
Total Cost $0.00 $0.00 $0.00 $0.00 $0.00 $500.00
Continegency (10 %) $50.00
Total Estimated Fees $550.00
3. Surveying (Rani)
Task Task Project Team Rani
No. Description PLS Survey Mgr Survey Crev, Tech Admin Total
A Record Drawings 0 9 18 17 2 46
B Control Survey 0
C Bridge /Structure Staking 0
D Utility /Pavement Staking 0
E As -built Survey 0
Total Hours 0 9 18 17 2 46
Hourly Rate $140.00 593.00 5150.00 $81.00 $81.00
Total Labor $0.00 $837.00 $2,700.00 $1,377.00 $162.00 $5,076.00
Expenses $100.00
Total Estimated Fees $5,176.00
4. Electrical (M -P Consultants) M -P
Task Task Project Team Consultants
No. Description PM Sr. Eng Analyst Tech Proj. Asst. Total
A Site Visit/Punchlist 6 $0.00
Total Hours 6 0 0 0 0 $0.00
Hourly Rate $140.00 $99.00 $92.50 $70.00 $50.00
Total Cost $840.00 $0.00 $0.00 $0.00 $0.00 $840.00
Expenses $50.00
Total Estimated Fees $890.00
1 $29,109.00.,
K: \TWC_Civil \City \COLUMBIA_HEIGHTS \BRIDGE 02005 CA \DOGS \CONTRACT\EXCEL \CH PEd Bridge Estimate Fees.xls Page 1
s
CITY COUNCIL LETTER
Meeting of: 03/07/11
AGENDA SECTION: BID CONSIDERATION ORIGINATING DEPARTMENT: CITY MANAGER
NO: PUBLIC WORKS
ITEM: CAPITAL EQUIPMENT REPLACEMENT OF BY K. Hansen :'.�, cClanahan BY: ,,`.`�
THE ELGIN PELICAN STREET SWEEPER FROM THE DATE: 03/02/1 A DATE:
STATE OF MINNESOTA PURCHASING CONTRACT
Background:
Unit #0004 is an Elgin Pelican Street Sweeper that was purchased in 1999 for $110,115. The Elgin Pelican three- wheel high
dump sweeper with a 3.5 cubic yard hopper can off load into a dump truck. The unit is 12 years old and has 4,219 hours of
recorded operation with an odometer reading of 18,802 miles. Since 2000, which is as far as the electronic maintenance records go
back, $102,500 has been spent on repairs. The Shop Supervisor completed a complete inspection of the Pelican along with the
local factory authorized repair service, MacQueen Equipment. The shop supervisor has rated the mechanical condition as poor.
Based on the sweeper inspection, $7,500 worth of mechanical repairs and $18,000 for the conveyor system rebuild is currently
needed to operate the sweeper in 2011. This unit was scheduled for replacement in 2005, but was delayed for budgetary and
mechanical reasons. The 2011 Capital Equipment Replacement budget allocated $185,000 split evenly between the Street
Department and the Storm Water Department for the replacement of the Elgin Pelican Street Sweeper.
Analysis /Conclusions:
Public Works has historically performed street sweeping operations using two sweepers. The goal has been to sweep all of the
streets at Least four times, and alleys and parking lots one time during the year. Additional sweeping is done after storm events and
to prepare areas for street patching. In accordance with NPDES best management practices, streets that have low areas and areas
that drain directly into lakes and ponds are swept first.
Street cleaning has the greatest potential for reducing storm water pollution in the urban environment and it can do so at a relatively
affordable cost. That's because most of the rain that falls on impervious surfaces goes onto pavement that is directly connected to
an urban storm water collection system. Sweeping also prolongs the operational efficiency of structural based devices, such as
storm water retention ponds, and reduces the ongoing maintenance they require.
Staff had previously discussed downsizing from two sweepers to one sweeper, but has reevaluated our practice. Recent publicized
studies on the effectiveness of various types of street sweepers and the recent mandates of National Pollutant Discharge
Elimination System (NPDES) Phase I and II storm water permits and the increasing need for practical total maximum daily load
(TMDL) implementation plans make it clear that sweeping deserves a more central role. In fact, street sweeping should be an
important part of the management strategies for any urban storm water NPDES driven runoff program or TMDL implementation
plan.
Studies have shown that mechanical broom sweepers like the Elgin Pelican that the city currently owns have a pickup efficiency of
approximately 20% to 30 %. To meet the requirements of the change in storm water rules, sweepers that pick up even the finest
particulate fractions have entered the market. Regenerative air and vacuum sweepers like the Elgin Crosswind the city owns have
pickup efficiencies that range from 60% to 90% of fine particulates, increasing pollutant removals.
National and local studies have shown the least cost per pound of pollutant removed during some seasonal conditions are actually
achieved via tandem sweeping — which combines a mechanical broom sweeper followed by a regenerative air or vacuum sweeper.
The mechanical sweeper is very good at picking up heavy debris and the regenerative air sweeper excels at picking up medium to
light debris and particulates. A mechanical sweeper is also much more effective at picking up larger street surface material from
construction sites, such as millings or tracking resulting from vehicles or equipment passing through or leaving active construction
COUNCIL ACTION:
CITY COUNCIL LETTER
Meeting of: 03/07/11
AGENDA SECTION: BID CONSIDERATION ORIGINATING DEPARTMENT: CITY MANAGER
NO: PUBLIC WORKS
ITEM: CAPITAL EQUIPMENT REPLACEMENT OF BY: K. Hansen & L. McClanahan BY:
THE ELGIN PELICAN STREET SWEEPER FROM THE DATE: 03/02/11 DATE:
STATE OF MINNESOTA PURCHASING CONTRACT
Continued - Elgin Pelican Street Sweeper Replacement
Page 2
projects. A regenerative air is more effective during fall leaf pickup operations. Due to their effectiveness, the sweepers will often
be used in tandem in spring and fall operations. Staff recommends, after evaluating our own practices and reviewing national and
local studies of sweeping practice and effectiveness, to replacement Unit # 0004 Elgin Pelican street sweeper with the purchase of
one new, Elgin Pelican street sweeper and further recommends disposal of Unit #0004 Elgin Pelican street sweeper via trade -in.
Staff also obtained pricing for a lease option on the sweeper. Attached is the lease - pricing sheet from the vendor for a 3, 5 and 7-
year lease arrangement. The Finance Director has prepared an analysis of purchase vs. lease scenario summarized in the attached
memo.
Recommended Motion: Move to purchase off the State of Minnesota Purchasing Contract the capital equipment replacement of
the Elgin Pelican Street Sweeper from MacQueen Equipment, Inc. of St. Paul, Minnesota, in the amount of $183,223 less a trade
in allowance of $17,500 for a total purchase price of $165,723, plus tax, with equal funding provided by the Street and Storm
Sewer Capital Equipment Replacement Funds.
COUNCIL ACTION:
CITY OF COLUMBIA HEIGHTS
DATE: MARCH 1, 2011
TO: KEVIN HANSEN
CITY ENGINEER
PUBLIC WORKS DIRECTOR
FROM: WILLIAM ELRITE
FINANCE DIRECTOR
RE: PURCHASE VS. LEASE OFA STREET SWEEPER
First, leasing is a very viable, cost - effective alternative when lease or bonding interest rates are
less than the interest rate the City receives on investments. With the current economy that is not
the situation. Currently lease rates are running from 4.5% to 6.5 %. This is significantly higher
than what the City is receiving for interest on investments. Currently, even long -term
investments are at or under 3% in earnings. Subsequently, the City is better off from a financial
stand point to utilize our Capital Equipment funds to purchase the sweeper rather than leasing it.
The chart below summarizes the three lease alternatives that we received from MacQueen
Equipment. It reflects the annual lease cost for a three -year, five -year, and seven -year lease
along with the total cost of leasing over that period of time compared to the outright purchase
cost of $165,723. The final column shows the savings to the City by purchasing. It should be
noted that this savings would be slightly offset by interest earnings if we did lease the equipment
and invested our capital funds. However, that offset or interest earnings would be less than one -
third of the savings.
Lease Annual Total Savings
Number lease lease Purchase by
of years cost cost cost purchasing
3 65,160 195,481 165,723 29,758
5 40,454 202,270 165,723 36,547
7 29,997 209,980 165,723 44,258
If you need any additional information or would like any further calculations please let me know.
WE:slh
1103011PW
MacQueen
Attachment: Equipment Lease Esti■
MacQueen Equipment, Inc.
Distributor of Municipal & Contractor Equipment
595 Aldine St.
Saint Paul, MN. 55104
800 - 832 -6417
651- 645 -5726
651- 645 -6668 Fax
City of Columbia Heights
Attn: Lauren McClanahan
Re: Elgin Eagle Sweeper Lease
Below is an outline of the sweeper lease agreement
The lease would be 36 month /60 month/84 month periods shown below with
annual payments at delivery and the beginning each year at the anniversary
date of delivery.
The sweeper would carry a one year factory warranty on the sweeper and
manufactures warranty on Sweeper and John Deer engine.
Lease proposal.
Payments includes all taxes and fees
36 month lease @ $65,160.23 per year
60 month lease @ $40,453.91 per year
84 month lease @ $29,997.16 per year
Sweeper to include:
Elgin Pelican NP high dump sweeper with all standard equipment
Dual Gutter brooms
AM/FM radio,
Heated remote control mirrors
Auto lube
Bostrom air ride seat
John Deere engine and Hydraulic shutdown
Battery Disconnect
Spare drive and guide wheel
Dual strobe lights with guards
Rear flood light, arrow board, LED lights on sweeper
This proposal is valid for 60 days
Bill McCarthy
2/24/2011
1c
To: Mayor and City Council March 2, 2011
Walt Fehst
From: Scott Clark, Community Development Director
Re: Red Wing
Councilmember Nawrocki asked staff to review "an article about Red Wing that
was in the paper regarding housing inspection ". The article and subject centered on a
court case that was filed on September 28, 2010 with the Court of Appeals of Minnesota.
The bottom line was that the Court upheld the right of the City to continue their rental
inspections as is (the appellants argued that the City needed probable cause to enter a
unit). The Supreme Court has agreed to hear this case, McCaughtry v. City of Red Wing,
this spring. I would suggest if Council has more detailed questions they should address
these to the City Attorney.
TO: Mayor Peterson and the City Council March 2, 2011
FROM: John Larkin
RE: 4618 Fillmore and "The Tent"
We received a complaint that someone was living in a tent at 4618 Fillmore.
An inspection was completed and orders were written to the owner to have this corrected.
Currently, if the violations are not corrected, the property will come to Council on March
28, 2011 for approval of the abatement.
On Wednesday March 2, 2011, I spoke to the owner of the property, Patricia Porter, and
the owner of the tent, Dale Gausted. They both informed me that Dale was no longer
living in the tent.
I spoke to Dale about the tent being used as a storage shed, and he assured me that he will
remove the tent, and the items stored inside.
I will follow up on Friday March 4` and hope to be able to report that all violations have
been corrected.
John
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