This Subcontract opportunity from Texas was posted on October 9, 2026. The submission period has ended. Browse the details below for market research, or find similar active opportunities.

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Environmental GIS Specialist

Closed

State & Local

Submission Closed11/05/2026, 04:00:00 PM CST

Contract Overview

Solicitation details, issuing organization, response deadlines, documents, and interested companies for this government contract opportunity.

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NAICS: 541370

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Gitga'at First Nation

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DEADLINE

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DEADLINE

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STCHARLESIYC425 - IYC - St. Charles

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Site Surveying and LayoutThe Site Surveying and Layout subcontract, issued by the City of Uvalda in Georgia, requires a provider to perform site surveying and establish lot corners and boundaries for prime contractors. The selected contractor will be responsible for providing critical survey information and identifying lot corners to ensure the correct placement of work, while maintaining close coordination with the Engineer and the Contract Administrator. Key deliverables include the submission of detailed survey reports and the physical marking of site boundaries. This opportunity falls under NAICS code 541370 and was posted on November 12, 2026. Interested parties must submit their responses by the deadline of December 14, 2026. The project is managed through the state of Georgia's procurement system to ensure precise land layout and boundary verification for managed projects.

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GIS Specialist (Historic Preservation)This subcontract opportunity is for a GIS Specialist specializing in Historic Preservation to support prime contractors on projects for the Walker County Board of Commissioners in Georgia. The selected provider will be responsible for performing digital mapping and data entry, specifically entering surveyed resource data into the GNAHRGIS web-based database and utilizing ArcGIS to produce detailed survey maps. A critical component of the role is ensuring that all data point documentation is accurate to meet the review standards of the Georgia Historic Preservation Division. The contract deliverables include fully populated GNAHRGIS database entries and completed project maps. Interested parties should note that the solicitation was posted on November 12, 2026, with a response deadline of December 15, 2026. The work falls under NAICS code 541370, focusing on survey and mapping services.

Walker County Board of Commissioners

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2027-01 Historic Resources Survey Phase 3

Solicitation # 2027-01

Walker County, Georgia, is seeking proposals from consultants to conduct an intensive historic resources survey of approximately 523 to 600 parcels in the unincorporated southeastern portion of the county. The project focuses on cataloging buildings and structures constructed before 1985, including monuments, bridges, and fortifications. All work must adhere to the Secretary of the Interior's Standards for Archaeology and Historic Preservation, the National Register Bulletin, and the Georgia Historic Resources Manual. The project is financed via a Historic Preservation Fund Grant from the National Park Service and administered by the Georgia Historic Preservation Division. Proposals must be submitted in a sealed envelope to the Walker County Government office by 2:00 p.m. on December 15, 2026. Submissions must include two written copies and one electronic copy on a flash drive, with a maximum page limit of 35 pages. Required documentation includes proof of SAMS.GOV registration, a Unique Entity ID, a project team list, and a budget demonstrating the project can be completed within the maximum allotted $33,633. Selection is based on professional qualifications, technical competence, ability to meet schedules and budgets, past performance, project understanding, and quality assurance processes. Contractors must comply with federal and state non-discrimination laws, including the Americans with Disabilities Act and the Civil Rights Act of 1964.

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DEADLINE

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Public Works, Engineering

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Geological & Geophysical Field StudiesThis subcontract for Geological and Geophysical Field Studies involves performing soil surveys and geophysical studies for prime contractors working on Georgia Department of Transportation interstate maintenance projects. The scope of work includes conducting geological mapping and soil survey studies to evaluate foundations and subgrade using specialized soil boring equipment and geophysical survey tools. The selected provider must hold the necessary geological and geophysical study certifications to deliver comprehensive soil survey reports and site assessments. This opportunity is categorized under NAICS code 541370, with a response deadline set for December 9, 2026.

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Ground Penetrating Radar (GPR) & 3-D GPR Testing & AnalysisThis subcontract involves providing specialized subsurface imaging of pavement for prime contractors working on Georgia Department of Transportation interstate maintenance projects. The scope of work includes the collection of field data using GPR and 3-D GPR systems, followed by the processing of radar imagery to detect subsurface anomalies, determine layer thickness, and identify voids. The selected provider must meet GPR Testing and Analysis Lead qualifications to ensure technical accuracy. Final deliverables for the project consist of comprehensive subsurface imagery, detailed thickness maps, and formal GPR analysis reports. The solicitation was posted on November 12, 2026, with a response deadline of December 9, 2026.

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DEADLINE

Multi-Sensor Sewer Inspection and CCTV AssessmentThis subcontract for the City of Columbia in South Carolina involves providing pre-rehabilitation and final inspections of sanitary sewer lines for prime contractors. The scope of work includes CCTV inspections following NASSCO PACP/LACP formats, sonar assessments, and multi-sensor inspections for pipes with a diameter of 36 inches or larger. The selected contractor is responsible for delivering comprehensive condition assessment reports along with supporting digital videos and photographs. To ensure quality and technical proficiency, the contract requires operators to possess a minimum of 250,000 linear feet of NASSCO experience. This project falls under NAICS code 541370, with a response deadline set for December 15, 2026.

City Of Columbia

POSTED

about 18 hours ago

DEADLINE

in about 1 month

AI Contract Overview

This subcontract opportunity for an Environmental GIS Specialist involves providing geospatial mapping and data management services for prime contractors working on City of Houston projects. The selected provider will be responsible for creating GIS maps for permitting and NEPA documentation, as well as formatting digital log and boring information. All deliverables must strictly adhere to the City of Houston IDM, Chapter 13 standards for geospatial data. The project requires the delivery of digital GIS maps and datasets under NAICS code 541370. Interested parties must submit their responses by the deadline of November 5, 2026. This engagement supports infrastructure and environmental efforts within the City of Houston, Texas.

General Info

Environmental GIS Specialist for City of Houston projects; deadline November 5, 2026.

Agency

Texas → City of Houston

NAICS

541370 - Surveying and Mapping (except Geophysical) Services

Place of Performance

TX, USA

Set-Aside

NONE

Documents

This scope was carved out of PES-2026-0016.

The full solicitation package (11 documents), including the RFP, is on the prime solicitation, not on this scope.

View the prime solicitation

Professional Environmental Consulting Services

AI Contract Breakdown

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Timeline

PhaseClosed

PostedOct 9

subcontract

Response DeadlineNov 5

Deadline has passed

Submission Closed

11/05/2026, 04:00:00 PM CST

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Organization & Contact Information

AgencyTexas → City of Houston

ContactsNo contacts available

OfficeN/A

Organization / AgencyTexas → City of Houston

Office AddressN/A

ContactsNo contact information available

Full Description

Provides geospatial mapping and data management for prime contractors on City of Houston projects. Creates GIS maps for NEPA and permitting documentation and formats digital boring and log information. Must meet City of Houston IDM, Chapter 13 (Geospatial Data Deliverables) standards. Delivers digital GIS datasets and maps.