Addendum No. 1 - Tucker Ave. Stormwater Improvements (Web Copy).pdf

DEPARTMENT OF PUBLIC WORKS COUNTY OF FAIRFAX

& ENVIRONMENTAL SERVICES VIRGINIA

UTILITIES DESIGN & CONSTRUCTION DIVISION

ADDENDUM NO. 1

TUCKER AVENUE NEIGHBORHOOD STORMWATER IMPROVMENTS

PROJECT NO. SD-000032-074

This Addendum consists of a total of four (4) pages including the attached documents listed herein.

This Addendum is supplementary to the Contract Documents for TUCKER AVENUE NEIGHBORHOOD STORMWATER IMPROVMENTS, Fairfax County, Virginia.

All changes, additions or deletions included herein as Addendum No. 1 shall become a part of the Contract Documents as if originally called for in the Drawings, Specifications and Form of Bid.

1. Advertisement for Bid:

REPLACE: Advertisement for Bid, in its entirety

WITH: Revised Advertisement for Bid (pages 3-4 of this addendum), which includes additional instructions for attending the bid opening either in person or virtually via MS Teams.

2. Bidder Questions:

1) The plans or specifications provide the detail for the asphalt section. I see the typical section of roadway, but it doesn’t seem to provide the asphalt depths.

Please provide the asphalt depths for the different streets.

• In locations where asphalt replacement is proposed, the contractor is to match the existing asphalt depths. If depths vary, the thickest depth must be matched. (FYI: An older 2019 Geotechnical Engineering Report will be provided separately from this addendum, which contains some additional borings that were not carried over to the 2021 Geotechnical Engineering Report, which was already provided to the bidders. The Geotechnical Engineering Reports are for the Bidders’ INFORMATION ONLY.)

2) Please provide the depth of the existing pavements for the different roads.

• Existing asphalt depths are variable throughout the neighborhood and are not known for all locations. The contractor is to investigate and confirm depths during demolition.

3) Plan 4 of 104 shows two different hatch patterns for Full Depth Removal and Replacement and other that call for Full Depth Removal, but it doesn’t call for Replacement. Please clarify if both have to be replaced.

• Areas with the hatch pattern labeled as “FULL DEPTH ASPHALT REMOVAL AREA” are not to be replaced.

4) Please provide a Pipe trench detail showing restoration as well for the Storm Drainage and the Sanitary Sewer.

• Refer to VDOT details PB-1 and LUP-OC-NOVA special provisions for utility trench details. For sanitary sewer, refer to Fairfax County Plate 19- 10 for a trench detail.

5) Is there any additional environmental consideration about the observation wells other than the one shown on plans and the green technical specifications?

• The purpose of the observation well is to provide underground access for maintenance and to allow for the County to perform future assessments of the performance of the system, such as checking the length of time for the system to drain after a rainfall event. There are no additional environmental considerations.

Bidders are required to acknowledge receipt of all Addenda on Page B-2 of the Form of Bid, Section B. Failure to indicate receipt of any Addenda may be cause for rejection of Bid.

END ADDENDUM NO. 1

COUNTY OF FAIRFAX, VIRGINIA

By: _______/s/____________________________________________ Vincent Martucci, Director, Utilities Design & Construction Division Department of Public Works and Environmental Services

Dated: __2/8/2024___

DEPARTMENT OF PUBLIC WORKS COUNTY OF FAIRFAX

AND ENVIRONMENTAL SERVICES VIRGINIA

UTILITIES DESIGN AND CONSTRUCTION DIVISION

12000 Government Center Parkway, Suite 463 Fairfax, Virginia 22035 Telephone: 703-324-5111 FAX: 703-324-3943

ADVERTISEMENT FOR BID

TUCKER AVENUE NEIGHBORHOOD STORMWATER IMPROVEMENTS

PROJECT NO. SD-000032-074

Sealed bids are hereby solicited for construction of a stormwater conveyance improvement project, located in Fairfax County’s Dranesville District near 6602 Tucker Ave., McLean, VA 22101. The project will improve stormwater drainage conditions and infrastructure, reduce localized flooding and erosion, improve water quality, and protect the adjacent Pimmit Run Stream. Work includes, but is not limited to: the installation of approximately 6,300 LF of storm sewer, as well as stormwater management underground chambers, swales, and bioretention; installation of approximately 1300 LF of sanitary sewer including lateral connections; utility relocations; site rehabilitation including pavement trench patching, milling and overlay, curb and gutter; and landscaping.

Only firms that have been pre-qualified will be eligible to submit bids for this project.

Bids received from those that have not been pre-qualified will not be considered.

This is a LUMP SUM price Contract. Contract length is 630 calendar days.

Bids will be received in the office of the Director, Utilities Design and Construction Division, Department of Public Works and Environmental Services, 12000 Government Center Parkway, Suite 463, Fairfax, Virginia until 10:00 a.m., prevailing local time, Wednesday, February 14, 2024. Bids received after that time will not be accepted. Bids will be opened publicly and read aloud at 10:05 a.m., Wednesday, February 14, 2024, in the Fourth Floor Conference Room, Suite 463, 12000 Government Center Parkway, Fairfax, Virginia 22035-0056.

Attendees to the bid opening will wait outside Suite 463 and be escorted to the bid opening venue prior to bids being opened. Attendees shall abide by social distancing guidance provided by DPWES representatives during the bid opening. Please note that bid-room capacity rules will be respected, and all those arriving to witness this event may not be allowed inside the bid-room. This event shall conclude immediately following the opening of the bid packages. Attendees who wish to observe this event in a virtual setting may do so by joining on their computer or mobile device using Microsoft Teams:

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Meeting ID: 295 815 386 20

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All bidders shall comply with Article A-21, Fairfax County Construction Safety Resolution. Bidder’s request for determination of eligibility to bid must be received by the County no later than fourteen (14) days before bids are due in accordance to Article A-18.E of Section A, information For Bidders.

A Mandatory Pre-Bid Conference will be held on, Tuesday, January 30, 2024, at 10:00 a.m. in the Fourth Floor Conference Room, Suite 463, 12000 Government Center Parkway, Fairfax, Virginia 22035-0056. All bona fide bidders are required to attend. Failure to attend the Pre-Bid Conference will result in rejection of the bid.

Bidding Documents in the form of electronic files in “pdf” format will be available Thursday, January 18, 2024, and may be obtained by using the Commonwealth of Virginia electronic procurement portal at https://eva.virginia.gov/. Solicitation information will also be available online at the following Fairfax County website:

https://www.fairfaxcounty.gov/publicworks/capital-projects/solicitations-and-bid-advertisements.

All questions concerning the project shall be submitted in writing to the Director, Utilities Design & Construction Division, Department of Public Works and Environmental Services, 12000 Government Center Parkway, Suite 463, Fairfax, VA 22035-0056, or by emailing DPWESCAPUDCDStormwaterInquiry@fairfaxcounty.gov,and to be given consideration, must be received at least seven (7) days prior to the date fixed for the opening of the bids.

This office is the only point where information will be disseminated.

Bid Security must accompany each proposal in accordance with Information for Bidders. No bid may be withdrawn for a period of sixty (60) days after the opening thereof.

The procedure specified under Section 2.2-4330(A) (i), VA Code Ann. shall apply: “… the bidder shall give notice in writing of his claim of right to withdraw his bid within two (2) business days after the conclusion of the bid opening procedure; . . .”.

The Board of Supervisors of Fairfax County, Virginia reserves the right to reject any and all bids, waive informalities and irregularities in bidding and to accept bids which are considered to be in the best interest of the County.

To request this information in an alternate format, please contact Jeremy Peyton, Utilities Design and Construction Division, Department of Public Works and Environmental Services, at 703-324-2433, TTY 711 or email Jeremy.Peyton@fairfaxcounty.gov.

COUNTY OF FAIRFAX, VIRGINIA

By: ______/s/_________________________ Vincent Martucci, Director, Utilities Design and Construction Division

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