Downstream Dumbarton Culvert Replacement Addendum 2

Location:	Virginia
Posted:	Nov 6, 2025
Due:	Nov 13, 2025
Agency:	Arlington County
Type of Government:	State & Local
Category:	Y - Construction of Structures and Facilities Z - Maintenance, Repair or Alteration of Real Property
Solicitation No:	N1247
Publication URL:	To access bid details, please log in.

Title

Downstream Dumbarton Culvert Replacement

Negotiation Type

RFQ

Status

Active

Buyer

Sy Gezachew

sgezachew@arlingtonva.us

Synopsis

The North Dumbarton Street Culvert (ZSD37) and Watermain (ZR105) Replacements project will replace two double barrel Corrugated Metal Pipe Culverts conveying Little Pimmit Run under North Dumbarton Street with precast concrete arch culverts. Project improvements include culvert replacements, storm sewer improvements, water line relocation, steel encasement of watermain and sanitary sewer line, pavement replacements, guardrail replacement, and landscaping.

Amendment Description

Addendum 2 - extend bid due date and answer vendor question.

Attachments

N1247 Addendum 2.pdf (122.23 KB)

N1247 Downstream Dumbarton Culvert Replacement ITB .pdf (1.19 MB)

Attachment A - ZSD37 & ZR105 Pricing Sheet.xlsx (32.86 KB)

Exhibi C - DOLI.pdf (712.75 KB)

Attachment B - Special Conditions.pdf (352.04 KB)

Attachment C - Supplemental Specification 02506 - PreCast Arch Bridge (Culvert)ZSD37.pdf (250.69 KB)

Attachment D - Approved Plan (LDA) ZR105.pdf (16.2 MB)

Attachment D - Approved Plan (LDA) ZSD37.PDF (48.97 MB)

Attachment D - ZSD37 - Approved Plan (CIP).pdf (48.43 MB)

Attachment E - Arlington County Materials Testing Specification (September 2020).pdf (164.2 KB)

Attachment F - VDOT Lane Closure Guidelines_NOVA Dist.pdf (186.66 KB)

Attachment G - RFI Form Template.pdf (106.31 KB)

Attachment H Template - Force Account Work.xlsx (93.13 KB)

Attachment I - Master Transportation Plan.pdf (3.37 MB)

Attachment J - List of State and Federal Roads in Arlington County, VA.PDF (68.73 KB)

Attachment K - LDA Permit Placard (Expires 12.04.2025).pdf (80.11 KB)

Attachment L - Temporary Easement - 3900 N Dumbarton Street (Owner Signed).pdf (2.63 MB)

Attachment L - Temporary Easement - 3905 N Dumbarton Street (Owner Signed).pdf (165.21 KB)

Attachment M_Geotech Report.pdf (2.35 MB)

N1247 Addendum 1.pdf (325.52 KB)


Preview Date	11/05/2025 10:45 AM
Open Date	11/05/2025 10:45 AM
Close Date	11/13/2025 2:00 PM
Posting Date	11/05/2025
Negotiation PDF	Download

Downstream Dumbarton Culvert Replacement Addendum 2

See also