HomeMy WebLinkAbout2021-3077.-IM\BOLTON �&MENK
Real People. Real Solutions.
March 11, 2021
Kevin Hansen, P.E.
Director of Public Works / City Engineer
Public Works Department
637 38th A venue NE
Columbia Heights, MN 55421
RE: Proposal for Engineering Services -Sanitary Sewer Analysis for Reuter Walton
Dear Mr. Hansen:
7533 Sunwood Drive NW
Suite 206
Ramsey, MN 55303-5119
Ph: [763)433-2851
Fax: [763] 427-0833
Bolton-Menk.com
We appreciate the opportunity to present this proposal for the sanitary sewer capacity analysis for the
proposed Reuter Walton development. The proposed development is located west of Central A venue,
south of 42nd Avenue, and consists of approximately 66 residential units. A food shelf is also proposed,
but the sanitary sewer flows are anticipated to be limited. Our scope and fees were prepared based on our
understanding of the project and the information gathered at our March 9, 2021 meeting. We understand
the City will forward additional information related to the site as it becomes available.
PROJECT TEAM
Our proposed team will consist of personnel familiar with sanitary sewer analyses and will be augmented
with personnel familiar with the City of Columbia Heights.
•Principal-In-Charge -Kevin Kielb, P.E. -Coordination
•Project Manager -Tim Olson, P.E. -Project Analysis, Concepts and Memorandum
•QA/QC-Todd Hubmer, P.E. -Group Discussions, Guidance and Reviews
•Design Engineer -Dallas Jones, P.E. -Modelling and Detail Analysis
SCOPE
Our analysis will focus on an 8-inch sanitary sewer line located in Jackson Street. The sewer line flows
north to 43rd A venue, where it connects to a 10-inch sanitary sewer main that flows to the west. Our
analysis will include the following tasks.
Install (2) flow meters. One in the 8-inch sanitary sewer line, just south of 43rd A venue and one in the 10-
inch sanitary sewer main just west of Jackson Street. The flow meters will be left in-place and monitored
to determine dry weather flow and wet weather flow. We anticipate up to 3 months of monitoring may be
required.
Receive record drawings for the sanitary sewer lines in the study area. Estimate sewer line capacities
based on Manning's equation.
Ballon & Menk is an equal opportunity employer.
Contract # 2021-3077
Kevin Hansen, P.E.
March 11, 2021
Page 2 of 2
Estimate flows based on City zoning maps and existing land uses. This will include dry weather flows
and wet weather flows. We will use peaking factors as the initial method of estimating wet weather flows.
Based on conversations with the City, inflow is a concern within the City. We will use conservative
peaking factors in the analysis, and augment with meter readings as they become available.
Prepare a memorandum discussing our findings.
SCHEDULE AND FEES
We will begin the analysis immediately upon receiving the notice to proceed from the City. We anticipate
4 weeks to complete the analysis. The analysis will be updated with wet weather flows if rainfall events
occur after the initial memorandum is prepared.
Our proposed fees for the project are as follows:
Personnel
Project Manager
Task Manager
QA/QC Reviews
Hours
2
16
4
Design Engineer 40
Total
Flow Monitoring ($2,500.00/Location/3 Months)
$ 390.00
$ 2,512.00
$ 960.00
$ 4,800.00
$ 5,000.00
Total Proposed Fees $13,662.00
Based on our understanding of anticipated efforts, our proposed Not-To-Exceed fees for the work are
$14,662.00.
If there are any questions related to the scope and/or fee portion of this submittal, please call me at (651)
968-7760.
Sincerely,
Bolton & Menk, Inc.
Kevin P. Kielb, P.E.
Principal Engineer
ACCEPTED BY:
r���
Project Manager
DATE: &·h-.}1
Bolton & Menk is an equal opportunity employer.
Sewershed Data
Parcels in Sewershed [1246]
-CBD[3]
-GB[28]
LB [11]
-MPLSWW[1]
-P0[3]
R-1 [92]
.. R-2A[905]
-R-2B [107]
-R-3 [45]
.,.-.. •• , ·11 ...
1•••t>�l � 1 .I • 1, ,.
j
'
U1 a,
:
0
�� r= • U1 _,,,-""""' l�.J.5.'-'·.------<1111 ________ ft
r
>;
,---------------,: 11
A.,. 'II •• ...,_ P
I,:
I I I
,;; Ii Ice
[
' I I
= :
=
J,
..,11it&. ...... 11,,.,,
I ,..J•
I • I I ·-·
I I
I I
rJ i I i ·----------------
�· ,/'
l i
/ I ..
'-4lilh Av( •,.o,\.,c . .nl ; 1tl'l /\'II'• rl�rtr"'.1 •
� I
Sewershed Data
D 12" Area
Parcels in Zone [328]
R-2A [283]
R-2B [12]
R-3 [6]
-R-4[N/A ]
ROW [27]
i ..........
.,.::;n, "'- '< t,� 1'111•�l 't, -.5th av< t-.w111,-,1,' 1.�,tl, f•s• ,.,,...r!l 1 ,,.·
..... �,. ·"· t··
.--------------,,,,.' I\!
Sewershed Data
D 10" Area
Parcels in Zone [206]
-CBD[3]
-GB[6]
LB [10]
-PO [1]
-R-2A[167]
R-2B [9]
-R-4 [5]
ROW[5]
11.n• 11