Downstream Dumbarton Culvert Replacement Addendum 3

Location:	Virginia
Posted:	Nov 14, 2025
Due:	Nov 21, 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 3

Attachments

N1247 Addendum 3.pdf (150.34 KB)

Attachment A - ZSD37 & ZR105 Pricing Sheet - REVISED.xlsx (30.15 KB)

C091.2 - Landscaping Plan - 2.pdf (3.35 MB)

N1247 Addendum 1.pdf (325.52 KB)

Attachment M_Geotech Report.pdf (2.35 MB)

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

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

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

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

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

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

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

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

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

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

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

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

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

Attachment B - Special Conditions.pdf (352.04 KB)

Exhibi C - DOLI.pdf (712.75 KB)

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

N1247 Addendum 2.pdf (122.23 KB)


Preview Date	11/13/2025 11:43 AM
Open Date	11/13/2025 11:43 AM
Close Date	11/21/2025 2:00 PM
Posting Date	11/13/2025
Negotiation PDF	Download

Downstream Dumbarton Culvert Replacement Addendum 3

See also