CR 91-135 Landfill Project Change Order
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June 12, 1991
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Council Report: 91-135
LANDFILL PROJECT CHANGE ORDER
Proposed Action.
staff recommends adoption of the following motion: Move that council
authorize Chanqe Order No. 3 as it concerns the 7th street S. Landfill
Gas Remediation, proiect 90-18.
Overview.
Associated with the landfill project was considerable dewatering of
the trenches. The Metro Waste Control Commission has required the
dewatering discharge to be placed in the sanitary sewer system. The
MWCC has further required this discharge volume to be measured and
included in the monthly Special Discharge Report to be submitted to
the MWCC.
Primary Issues to Consider.
o What are the specifics of Change Order No.3?
See the attached supplement from RCM and Associates for
description of change and justification.
~ Supportinq Information.
o Change Order No. 3
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James Gessele
Engineering Superintendent
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CHANGE ORDER NO. 3
. PROJECT:
7th Street South Landfill Gas Remediation
Hopkins, Minnesota
Date: Mav 30. 199]
OWNER:
City of Hopkins
Owner's Project No.:
90-18
TO: (Contractor): Ames Construction, Inc.
14420 County Road 5
Burnsville, MN 55337
Engineer's Project No.:
12079
Contract Date: April I, 1991
You are hereby directed to make the following change in the Contract Documents.
Description of Change:
Refer to the attached Supplement to this Change Order (12 pages).
. CHANGE IN CONTRACT PRICE
Original Bid Price
Net change from previous Change Orders No..L through No.l
Contract Price prior to this Change Order
Net increase (decrease) from this Change Order
Contract Price including this Change Order
$] .332.82] .20
(] 0.834.70)
$] .321.986.50
9.386.7 ]
$1.331.373.2]
CHANGE IN CONTRACT TIME
Original Final Completion Date for Section I
Original Final Completion Date for Section 2
Fina] Completion Date for Section I by previous Change Orders
Final Completion Date for Section 2 by previous Change Orders
Fina] Completion Date for Section 1 from this Change Order
Fina] Completion Date for Section 2 from this Change Order
Julv 8. 1991
August 1. 1991
Ju]y 8. ]99]
August J. ]99]
Julv 8. ]99]
August 1. ]99]
Engineer's Recommendation,
RIEKE CARROLL MULLER ASSOC., INC.
by ~j,)Ua-...vV date
by ~O.~date
S:/30/9/
I I
Contractor's Acceptance,
AMES CONSTRUCTION, INC.
&wner's Order,
CITY OF HOPKINS
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by
date
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SUPPLEMENT
to
CHANGE ORDER NO.3
for
7TH STREET SOUTH LANDFILL GAS REMEDIATION
CITY OF HOPKINS PROJECT NO. 90-18
RCM PROJECT NO. 12079
Date of Change Order: May 30, 1991
Descriotion of Change
Provide the dewaterin~ discharge measurement system as shown on the three (3) 8%..inch by
1 I-inch attached drawmgs. Payment for this additional work will be on a time and material
basis. The following shall be included in this additional work:
1. Discharge pipe of system shall enter existing sanitary sewer manhole through
the adjusting rings below the casting, above the concentric cone section.
2. Provide a system of pipe and 90.degree elbows to provide a horizontal
discharge at the bottom of the existing manhole.
3.
Provide a device in the weir manhole to continuously record the depth of
flow or flowrate. The power source for this equipment shall be I 10-volt AC
carried from a fused circuit in the field office by a UF cable buried 2 feet
below ground. This electric service shall terminate at an outlet mounted in a
weatherproof enclosure of adequate size to house the equipment.
4. The Owner will retain the pipe, valve, manhole, and electric cable materials.
Justification
The Metropolitan Waste Control Commission (MWCC) required the dewatering discharge
volume to be measured and included in the monthly Special Discharge Report to be
submitted to the MWCC.
Pricing Data
Attached is Serial Letter No. 20 from the Contractor with the submitted costs to install this
system including invoices from subcontractors and material suppliers. The Engineer has
reviewed these submitted costs and has determined that the cost appears to be reasonable.
Attachments to this Suoolement
1. Drawings by Engineer - 3 pages.
2. Letter from Contractor - 8 pages.
Page 1 of I
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AMES CONSTRUCTION., INC.
14420 COUNTY ROAD 5
BURNSVILLE, MINNESOTA 55331
(612) 435-1106 · FAX 435-1142
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00 rn@rnnwrnrn
MAY 7" 1991
May 6, 1991
Rick.-CmI!H~uIlM A.u.I!cbUt lIle.
Box 130 Hopkins, Minn. 55343
Rieke, Carroll, Muller, Associates, Inc.
10901 Red Circle Drive
Minnetonka, Minnesota 55343
Attention: James 8. Hammer, P.E.
Reference: Dewatering Measurement System Ames Serial letter Number 20
7th Street South landfill Gas Remediation
City of Hopkins Project Number 90-18
Hopkins, Minnesota
e Gentlemen:
As discussed, we have completed the installation of the dewatering measurement
system. This was done according io your instructions in your serial letter number 15.
The costs are summarized on the attached tabulation with the invoices also attached.
As you can see, the total cost for this work was $9,386.71. It is our request that a
change order be written for this amount.
If there are any questions, please give me a caIl.
Sincerely,
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Michael Moeller
Project Manager.
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cc: James
City of Hopkins
.An LjIUJl OpporrWlity Empl~r
OFFICES l:'t: OE:'Ii\'ER. COLORADO . PHOENIX, ARIZONA · SALT LAKE CITI', UTAH
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. Hopkins Landfill Gas Remediation
Dewatering Measurement System
Pipe Installation 4/15/91
Item Hours Rate ExtensIon
CAT 235 Backhoe 8 135 $1,080.00
Pipelayer 12 30 $360.00
Pipe Foreman 12 35 $420.00
lowboy 2.5 75 $187.50
Subtotal $2,047.50
MaterIals
Plywood $82.86
Fasteners $16.00
Concrete MH (North Star) $949.34
Pipe (Water Products) $3,395.52
ToolBox (Total TooQ $257.58
Subtotal $4.701.30
Subcontractors
Dynamic Systems $1,447.86
Electrician $336.71
. Total $8,533.37
lOOk Profrt & Overhead $853.34
Grand Total $9,386.71
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