CR 01-97 Approve Change Order No. 1 Parking Lots 500 & 600 and 10th Ave & 11th Ave N Imp CP 98-12
C\IY OF
m
August 1,2001
HOPKINS
Council Report 2001-97
Approve Chan~e Order NO.1 - Parking Lots 500 & 600 and 10th Avenue and
11t Avenue North Improvements - City Project 98-12
Proposed Action
Staff recommends adoption of the following motion: Move that Council approve
Chanae Order NO.1 as it relates to Parkina Lots 500 & 600 and 10th Avenue and
11th Avenue North Improvements. City Proiect 98-12.
Overview
Construction is well underway on this project as 11th Avenue North and the west
side of parking lot 500 (Driskill's, Boston Garden, etc.) should be paved and
, reopened by Monday, August 6, 2001. Unfortunately, many unknown conflicts,
problems, and issues have surfaced during construction of this improvement
project. These unknowns have necessitated changes to the plans and added
costs to the project. Change Order No. 1 represents the added project costs of
the necessary changes. Staff is now requesting formal approval of Change
Order NO.1 in the amount of $37,971.16.
Primary Issues to Consider
. Nature and Cost of Change Order Items
. Project Budget
. Staff Recommendation
Supportina Information
. Change Order No. 1
. Engineer's Description and Reasons for Change Order
~~
Steven G. Bot
Assistant City Engineer
Financial Impact: $ 37.971.16
Related Documents (CIP, ERP, etc.):
Notes:
Budgeted: Y/N l Source: CBD Fund. Uti!. PIR. SA
Council Report 2001-97
Page 2
Analvsis:
. Nature and Cost of Change Order Items
Utilitv Conflicts
Unknown utility conflicts constitute a majority of this change order.
These underground conflicts arose while attempting to install the
storm sewer improvements on the project. The project area is
cluttered with underground utilities (electric, phone, cable, water,
sewer, etc) and installation of a vast underground storm sewer
system proved to be extremely difficult in this area.! While these
improvements will do wonders for maximizing flood reduction
potential in the area and will greatly improve the previously
inadequate area drainage, they were difficult to install and changes
had to be made to avoid the conflicts. In total, the storm sewer
revisions account for $24,279.16 of Change Order No. 1 which
includes replacement of a drainage structure in Lot 600 that was
determined to be in unsatisfactory condition and needed
replacement. These additional storm sewer costs are proposed to
come out of the storm water utility fund.
Pedestrian Safety Issues
Business and property owners on the project brought up various
pedestrian safety concerns after the construction had begun. To
address these concerns, seven additional pedestrian ramps are
included with this change order as well as replacement of additional
sidewalk to remove a trip hazard. The additional cost of addressing
these pedestrian safety concerns is $2,127.00 which is included
with Change Order NO.1.
Drainaae Problems
The drive between Driskill's and Richards Liquor needed to be
redesigned in order to prevent water from running toward the
service door located on the east side of Driskill's building. The
changes involved replacing the sidewalk and curb & gutter on the
island separating the east access of Driskill's and Richards Liquor.
This additional project cost amounts to $4,223.50 of the change
order.
Council Report 2001-97
Page 3
Electrical LiQhtinQ Problems
Necessary electrical lighting changes amount to $7,341.50 of
Change Order NO.1. These additional costs include replacement
of two unsafe parking lot light bases and additional conduit wiring to
correct a fouled wire that was causing two streetlights to be
inoperable
. Project Budget
The budget remains at $639,824.40 as reported on May 15, 2001
at time of contract award. The change order amount is within the
100/0 project contingency reserved for necessary and unknown
additions to the contract.
. Staff Recommendation
Staff has examined Change Order No. 1 as recommended by the
City's consulting engineer RLK - Kuusisto L TO and recommends
approval due to the unknown conflicts, problems, and issues for
which this change order is based.
CHANGE ORDER
No. 1
DATE OF ISSUANCE 7-25-01
OWNER City of Hook ins
CONTRACTOR DMJ
Contract: 9812
Project: . Hopkins Lots 500 & 600
OWNER's Contract No. 2000-411m
ENGINEER RLK Kuusisto Ltd.
EFFECTIVE DATE 7-25-01
ENGINEER's Contract No. 9812
You are directed to make the following changes in the Contract Documents:
Description: See attachment
Reason for Change Order: See attachment
Attachments: (List documents supporting change)
CHANGE TN CONTRACT PRICR:
CHANGE IN CONTRACT TIMES:
Original Contract Price
$_472,597.00
Original Contract Times:
Substantial Completion:_ August 31, 2001_
Ready for final payment_September 21,2001
(days or dates)
Net Increase (Decrease) from previous Change
Orders No._l_to_l_:
$_37,971.16
Net change from previous Change Orders No. 1 to
No._l_: -.-
Substantial Completion:_21
Ready for final payment_21
( days)
Contract Price prior to this Change Order:
$_472,597.00
Contract Times prior to this Change Order:
Substantial Completion:_August 31, 2001_
Ready for final payment: September 21, 2001
. (days or dates)
Net increase (decrease) of this Change Order:
$_37,971.16
Net increase (decrease) this Change Order:
Substantial Completion:_ 21
Ready for final payment:_ 21
(days)
Contract Price with all approved Change Orders:
$_510,568.16
Contract Times with all approved Change Orders:
Substantial Completion:_September 21, 2001
Ready for final payment;_October 12,2001
(days or dates)
Date:
APPROVED:
By:
OWNER (Authorized Signature)
CHANGE ORDER
No. 1
DATE OF ISSUANCE 7-25-01
OWNER City of Hopkins
CONTRACTOR DMJ
Contract: 9812
Project: Hopkins Lots 500 & 600
OWNER's Contract No. 2000-411m
ENGINEER RLK Kuusisto Ltd.
EFFECTIVE DATE 7-25-01
ENGINEER's Contract No. 9812
Description: Utility Conflicts, Additional Depth for Pipe Installation, Additional Bid
. Items Associated with Driskill's East Access, Additional Bid Items Associated with
Alterations on Storm Sewer System (phase 1), Additional Structure for Phase 5 Sewer
Installation, Replacement of Two Light Bases on the East Side of Lot 600, Replacement
of Sidewalk in Front of Cobblestone Family Center, Additional Pedestrian Ramps in Lots
500 & 600, and Additional Electrical Installation on 11 th Ave. for Two Existing Light
Bases.
Reasons for Change Order:
Utility Conflicts: The underground telephone vault location was too close to proposed
structure location causing a design change and the stormseptor structure to be relocated.
The relocation of the structure required the stormceptor to be lowered two feet in order to
clear existing fiberoptic ducts. Also the 10" PVC storm sewer roof drain installation plan
Was changed in order to avoid fiberoptic ducts.
The following is a description of the line items associated with utility conflicts. The
excavation crew spent 12 hours attempting to install STMH-13 in the original proposed
location. Exploratory dig was required to find an unknown blind connection at STMH-
14. Three hours were used to modify the sewer structure for the 12" PVC pipe and the
24" RCP connecting into the structure. A 4' 72" barrel section was also required to
modify the storm structure for the new location. It was necessary to lower the existing
watermain (in 11th Avenue) in order to install the 24" RCP leading from the stormceptor
to the STMH. Due to conflicts with the telephone conduit, a change of the 10" PVC
sewer system installation created 3 additional conduit crossings from the original bidding
plan. A 27" manhole was installed in order to provide access to the 10" PVC system for
maintenance.
Additional Depth for Pipe Installation: The storm sewer system was lowered one foot
on the final plan compared to the plan used for bidding. This changed increased the cost
of excavation $3.00 per linear foot of pipe installed.
.
Additional Bid Items Associated with Driskill's East Access: The drive between
Driskill's and Richards Liquor was redesigned in order to prevent water from running
toward the service door located on the east side of Driskill's building. The changes
involved replacing the sidewalk and curb & gutter on the island separating the east access
of Driskill's and Richards Liquor. The change also required replacing approximately 90
SY of bituminous surface.
Additional Bid Items Associated with Alterations in Storm Sewer (Phase 1): The
quantities of existing bid items were changed due the change in the storm sewer design.
An additional manhole structure was required in order to change the location of the
STMH on 11 th Ave. Additional 10" PVCwas required to install the new sewer system
containing three additional crossings.
Due to the restricted area on the site, additional bid items were required to install the 24"
RCP leading from the stormceptor to the STMH in 11 th Ave. Sidewalk and curb & gutter
on the west side of 11 th Ave. needed to be removed along with a sign in order to install
the STMH structure. A light base relocation was required at the comer of Y2 Main and
11 th Ave. in order to install 24" RCP. .
Additional Items Associated with Additional Structure in Storm Sewef (Phase 5)
Lot 600: An existing storm structure located in the alley south of lot 600 was chosen to
be replaced do to the unsatisfactory condition of the structure. This was a concern before
the project was bid out, but the contractor was required to look at possible repairs versus
replacement.
Replacement of Two Light Bases on the East Side of Lot 600: Under the direction of
Vem Pankratz, City of Hopkins, two additional light bases are to be replaced due to their
unsatisfactory condition. The bases are old and are structurally unsafe. Also the new
light bases will be raised up in order to prevent the light polls from being hit by vehicles.
Replacement of Sidewalk in Front of the Cobblestone Family Center: The sidewalk
leading to the north entrance from the alley is cracked and creating a trip hazard. The
sidewalk along the building and the drive apron next to the entry sidewalk is being
replaced, so the entrance was scheduled to be replaced.
Additional Pedestrian Ramps in Lot 500 & 600: Additional pedestrian ramps were
added to the project at the request of the property and business owners in the area. Two
additional pedestrian ramps were added to Lot 500 on the island separating the parking
lot and 1 oth Ave. Five pedestrian ramps were added on the north side of lot 600.
Additional Electrical Installation on 11th Ave. for Two Light Bases: Under the
direction of Vem Pankratz, City of Hopkins, Conduit was installed leading to two more
existing light bases. The changed was made to correct a fouled wire that was causing two
lights to be inoperable.
City of Hopkins
Lots 500 & 600, 10th and 11th Avenues
City Project Number 98-12
Utility Conflicts
Item Description Quantity Unit Unit Price Sub Total
STMH-13 Attempt to install STMH-13 12 HR $ 250.00 $ 3,000.00
Total $ 3,000.00
STMH-14 Exp"loratory Dig to find Blind Connection 3 HR $ 250.00 $ 750.00
STMH-14 Knockouts for 12" PVC & 24" RCP 3 HR $ 100.00 $ 300.00
STMH-14 Setting Base & Lower Depth 2 HR $ 400.00 $ 800.00
STMH-14 4' 72" Barrel Section 1 LS $1,100.00 $ 1,100.00
Total $ 2,950.00
Stormceptor 2' 72" Barrel Section 1 LS $ 800.00 $ 800.00
Stormceptor 2' Additonal Excavation 1 LS $2,450.00 $ 2,450.00
Total $ 3,250.00
Watermain Parts and Materials 1 LS $1,594.41 $ 1,594.41
Watermain Labor, building and installing section 6 HR $ 400.00 $ 2,400.00
Watermain Labor, Coordination with City 1 HR $ 100.00 $ 100.00
Total $ 4,094.41
27" MH 27" Manhole, access to 10" PVC 1 EA $1,260.00 $ 1,260.00
Total $ 1,260.00
Conduit Crossings Additional 3 conduit crossings, 10" PVC 3.75 HR $ 225.00 $ 843.75
Total $ 843.75
Grand Total $15,398.16
Additional Depth for Pipe Installation
CB 6-STMH-13 IAdditional Excavation Costs
I 389 I LF I $ 3.00 I $ 1,167.00
(Estimated) Total $ 1,167.00
City of Hopkins
Lots 500 & 600, 10th and 11th Avenues
City Project Number 98-12
Additional Bid Items Associated with Driskill's East Access
Item Description Quantitv Unit Unit Price Sub Total
Remove C & G Island infront of Richards Liquor 75 LF $ 4.00 $ 300.00
Remove Sidewalk Island infront of Richards Liquor 35 SY $ 6.00 $ 21 0.00
Remove Bituminous Access between Driskill's and Richard's 90 SY $ 2.25 $ 202.50
Install C & G Island infront of Richards Liquor 75 . LF $ 10.00 $ 750.00
Install Sidewalk Island infront of Richards Liquor 35 SY $ 38.00 $ 1,330.00
Install Bit Wear (2") Access between Driskill's and Richard's 90 SY $ 4.00 $ 360.00
Install Bit Base (2") Access between Driskill's and Richard's 90 SY $ 4.00 $ 360.00
R & R picnic table Island infront of Richards Liquor 1 EA $ 50.00 $ 50.00
Install Ped Ram p Island infront of Richards Liquor 1 EA $ 241.00 $ 241.00
Install CL 5 Agg Access between Driskill's and Richard's 30 Ton $ 14.00 $ 420.00
Grand Total $ 4,223.50
Additional Bid Items Associated with Alterations in Storm Sewer (Phase 1)
MH-11 48" structure 10' north of stormceptor 1 EA $1,500.00 $ 1,500.00
1 0" PVC 3 additional conduit crossings 40 LF $ 17.00 $ 680.00
24" RCP Stormceptor to STMH-13 32 LF $ 39.00 $ 1,248.00
Salvage Sign NE corner of Art Center 1 EA $ 140.00 $ 140.00
Remove Light Base 11th Ave and 1/2 Main 1 EA $ 350.00 $ 350.00
Install Light Base 11th Ave and 1/2 Main 1 EA $ 820.00 $ 820.00
Remove C & G 11th Ave. STMH-13 and CB-15 30 LF $ 4.00 $ 120.00
Remove Sidewalk STMH-13 sidewalk on west 11th Ave. 24 SY $ 6.00 $ 144.00
Install C & G 11th Ave. STMH-13 and CB-15 30 LF $ 10.00 $ 300.00
Install Sidewalk STMH-13 sidewalk on west 11th Ave. 24 SY $ 38.00 $ 912.00
Grand Total $ 6,214.00
Additional Items Associated with Additional Structure in Storm Sewer (Phase 5) Lot 600
C B-5A I Block structure in alley south of lot 600 I 1 I EA I $1,500.00 I $ 1,500.00
Grand Total $ 1,500.00
. .
City of Hopkins
Lots 500 & 600, 10th and 11th Avenues
City Project Number 98-12
Replacement of Two Light Bases on the East Side of Lot 600
Item Description Quantitv Unit Unit Price Sub Total
Remove Light Base ITwo lights on east side of lot 600 1 2 1 EA 1$ 350.00 1 $ 700.00
Install Light Base ITwo lights on east side of lot 600 1 2 1 EA 1$ 820.00 1 $ 1,640.00
Grand Total $ 2,340.00
Replace Sidewalk in Front of Cobblestone Family Center
. Remove Sidewalk 1 North entrance T 10 1 SY 1$ 6.00 1 $ 60.00
Install Sidewalk 1 North entrance 1 10 1 SY 1$ 38.00 1 $ 380.00
Grand Total $ 440.00
Additional Pedestrian Ramps in Lots 500 & 600
Install Ped Ramp ITwo Ped Ramps East side of Lot 500 T 2 1 EA 1$ 241 .00 I $ 482.00
Install Ped Ramp 1 Five Ped Ramps Lot 600 1 5 1 EA 1$ 241.00 I $ 1,205.00
Grand Total $ 1,687.00
Additional Electrical Installation on 11 th Ave for Two Light Bases
Install 21/2" Conduit PVC conduit 270 LF $ 7.25 $ 1,957.50
Install #4 Wire Electrical wire in conduit 810 LF $ 1.20 $ 972.00
Remove Sidewalk Sidewalk around light base 38 SY $ 6.00 $ 228.00
Install Sidewalk Sidewalk around light base 38 SY $ 38.00 $ 1,444.00
Connect to LB Connect to existing LB on 11th Ave. 2 EA $ 200.00 $ 400.00
Grand Total $ 5,001.50