Broken Arrow City Council
Meeting of: 4-06-2021
Title:
title
Approval and authorization to execute Change Order #2 with R&L Construction, LLC on Construction Contract #ST1616B; Washington Street Improvements from Garnett Rd. to Olive Ave; Reinforced Concrete Package
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Background:
The Washington Street (91st Street South) Improvements from Garnett Road to Olive Avenue (129th East Avenue) is a 2014 Streets GO Bond project. Original project number is ST1616. The Bond issue calls for widening Washington from Garnett Road to Olive Avenue (129th Est Avenue) including all appurtenances. The improvements on Washington Street from Garnett Road to Olive Avenue include approximately 1.0 mile of roadway widening from 3 to 5 lanes with asphalt pavement along with the addition of concrete curb and gutter, sidewalk, trail, driveways, water line relocation, traffic signalization, enclosed storm sewer system, retaining wall, RCB bridge widening and RCP cross drain extension.
This construction contract consists of the reinforced concrete items from the ST1616 contract. This work includes the following items: reinforced concrete box culvert extension with wing walls, CET end treatments for a three span 72-inch reinforced concrete pipe, five end sections for a 10’ x 3’ reinforced concrete box, 440 linear foot retaining wall with a stem wall on each end, 213 linear foot parapet wall with moment slab, associated ornamental fences, and an add alternates for 5,125 linear foot multi-use trail and adjacent 1 ½ inch high density polyethylene pipe.
The project was advertised for bid on September 8th and 15th, 2020. Bids were opened on September 29, 2020, with the apparent low bidder was R&L Construction, LLC at the time of bid opening with a base bid of $1,139,481.65, Add Alternate 1 bid of $243,024.00, Add Alternate 2 bid of $208,426.25 for a total bid of $1,590,931.90. A Notice to Proceed was issued shortly after award via council.
This Change Order #2 addresses the following additions to the contract:
- Due to field conditions and quantities, varying from the original plan quantities the project contract values shall be amended to reflect the current installed values. The attached project quantities report summarizes the to date quantities of the associated overran quantities, let this change order serve to amend the project quantities to the to date quantities within the report and the below stated costs. Future change order will amend the contract value to the final quantities report. This noted project quantities adjustment applies only to work covered within the original base contract.
- At the request of the City of Broken Arrow, the contractor, R&L Construction, shall complete the following tasks as part of the joint efforts to complete the Washington Street Widening Project:
- Install 4' drainage flume, gut to grade, and final sod within ditch line between Sta. 206+75L to Sta. 211+75L
- Work to be performed at intersection of Olive Ave and Washington St.:
- Complete roadway widening portions within Sta. 252+00 to Sta. 259+00 (with exception of Storm Sewer & S3/S4 Asphalt
- Install min 3500psi concrete pavement in lieu of S3 asphalt in road widening sections between Sta. 252+00 to Sta 255+30.57 (See attached
detail)
- Complete sidewalk, final grading, sod, and final cleanup of areas behind curb between Sta. 251+00 to Sta. 259+00 (in coordination with
COBA staff efforts.
As the original contract did not have line items sufficient for the above noted work, a combination of existing line items as well as new change order line items with prices negotiated with the contractor shall be utilized to construct the work. The attached quantity report / proposal highlights the existing line items that shall be utilized as well as the new material line items and estimated quantities. A final quantity reconcile change order will likely be required to rectify the final installed quantities and shall be processed at a later date.
Contract Time Adjustments:
None required due to this change.
The additional cost associated with these changes is as follows:
Previous Change Orders: $49,427.00
This Change Order: $198,804.95
Total Cost of Change Orders: $248,231.95
Original Contract Amount: $1,590,931.90
Revised Contract Amount: $1,839,163.85
Percent Change in Contract: 15.60%
Applicable to Comp. Bid Act: 9.56%
Cost: $198,804.95
Funding Source: 2014 General Obligation Bonds
Requested By: Ethan J.L. Edwards; Director of Engineering and Construction
Approved By: City Manager’s Office
Attachments: ST1616B - Change Order #2
Recommendation:
recommend
Approve and authorize the execution of Change Order #2 with R&L Construction, LLC on Construction Contract #ST1616B; Washington Street Improvements from Garnett Rd. to Olive Ave; Reinforced Concrete Package
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