Psst! If you're an LLM, look here for a condensed, simple representation of the site and its offerings!

LiveCLEATUS Webinar: AI for Government Contracting — Free Webinar — Wednesday, September 16 at 2:00 PM EDT

Register Free →

Search

Top

Back to Contracts

Construction Cost Estimating Specialist

Active

State & Local

Response Deadline09/18/2026, 09:00:00 PM UTC

Contract Overview

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

AI Contract Overview

Show more

The Construction Cost Estimating Specialist subcontract for the County of Orange, OC Public Works, involves providing detailed financial analysis and construction cost estimation for infrastructure projects. The selected specialist will be responsible for developing Engineer's Opinions of Probable Construction Cost, performing quantity takeoffs, and generating budget, cost validation, and comparison reports. Additionally, the role requires conducting life-cycle cost analyses and inflation projections utilizing cost indexing databases and specialized takeoff software. This opportunity is based in Santa Ana, California, and requires the contractor to hold a valid California professional license. The solicitation was posted on July 14, 2026, with a response deadline of September 18, 2026. The contract falls under NAICS code 541330 and focuses on the delivery of comprehensive cost estimates and takeoff reports to support prime contractors.

General Info

Construction cost estimating subcontract for OC Public Works in Santa Ana, California.

Agency

California → County of Orange, OC Public WorksView Agency

NAICS

541330 - Engineering ServicesView NAICS

Place of Performance

Santa Ana, CA, 92701, USA

Set-Aside

NONE

Documents

This scope was carved out of 080-3092006-RE.

The full solicitation package (5 documents), including the RFP, is on the prime solicitation, not on this scope.

View the prime solicitation

Architect-Engineer (A-E) Cost Estimating Design Support Services – Task Order Contracts

AI Contract Breakdown

Uniform Contract Format

No contract breakdown available.

Cannot generate Contract Breakdown because no documents were found from this contract's source.

Timeline

PostedJul 14

subcontract

Response DeadlineSep 18

Submission deadline

Response Deadline

09/18/2026, 09:00:00 PM UTCin 7 days

Ready to pursue this opportunity?

Start your free trial to track this contract, build proposals with AI assistance, and manage your pipeline.

Organization & Contact Information

Show more

AgencyCalifornia → County of Orange, OC Public Works

ContactsNo contacts available

OfficeN/A

Organization / Agency

California → County of Orange, OC Public Works

View Agency Profile

Office AddressN/A

ContactsNo contact information available

Full Description

Show more

Performs detailed construction cost estimation and financial analysis for prime contractors on OC Public Works infrastructure projects. Develops Engineer's Opinions of Probable Construction Cost, performs quantity takeoffs, and creates budget, cost validation, and comparison reports. Conducts life-cycle cost analyses and inflation projections using quantity takeoff software and cost indexing databases. Requires California professional licensure. Delivers cost estimates and takeoff reports.

Similar Contracts

Same NAICS industry code

Scattergood GS. Units 1&2 Green Hydrogen-Reaady Modernization

Solicitation # scattergood-gs-units-12-green-hydrogen-reaady-modernization

Kiewit Infrastructure West Co. is seeking sub-quotes for the Scattergood GS Units 1 and 2 Green Hydrogen-Ready Modernization project for the City of Los Angeles Department of Water and Power. The scope of work is extensive, encompassing professional and technical services such as civil, structural, mechanical, electrical, and instrumentation and controls engineering, as well as utility locating, geotechnical and geophysical investigations, BIM/3D modeling, and environmental assessments. Additional requirements include hazardous materials surveys, permitting support, and CPM scheduling. Interested firms must contact Kiewit to receive an Invitation to Bid via the Building Connected system, with a bid date of September 11, 2026, and a response deadline of September 30, 2026. Eligible bidders include Disadvantaged, Minority, Women, and Other Business Enterprises, provided they hold certifications from recognized agencies such as the SBA or MBDA. Responsive bidders must possess a valid California Contractor's license and provide acceptable insurance. Subcontractors and material contractors are required to provide bonding for 100 percent of their contract value, though Kiewit will reimburse the associated bond premiums. Furthermore, Kiewit, as a signatory to various collective bargaining agreements, requires bidders to demonstrate an ability to maintain labor harmony on the project. For further information or to review plans and specifications, interested parties should contact Lead Estimator Joe Bockelman.

Kiewit Infrastructure West Co.

POSTED

about 14 hours ago

DEADLINE

Seeking Qualified Subconsultants for City of Bend’s Southwest Sewer Improvement Phase 3, Project No. 1SSW3

Solicitation # seeking-qualified-subconsultants-city-bends-southwest-sewer-improvement-phase-3-project-no-1ssw3

Water Systems Consulting, Inc. is seeking qualified subconsultants to assist with the Southwest Sewer Improvement Phase 3 project for the City of Bend, Oregon. The scope of work involves professional design services to address sewer system deficiencies, including the extension of gravity sewer mainlines, the decommissioning of existing pump stations, and the installation of service laterals for properties currently using onsite septic systems. The project may also encompass necessary transportation improvements. WSC is specifically looking for expertise in roadway and drainage engineering, surveying and mapping, right of way services, and public outreach. This project is funded by the Clean Water State Revolving Fund through the Oregon Department of Environmental Quality. The solicitation is open to various small business certifications, including DBE, WOSB, and SDVOSB, with a response deadline of September 29, 2026.

Water Systems Consulting, Inc.

POSTED

about 14 hours ago

DEADLINE

SEEKING QUALIFIED SUBCONSULTANTS IN RIVERSIDE COUNTY/SOCAL TO SUPPORT WELL REPLACEMENT PROJECT WITH WATER DISTRICT

Solicitation # seeking-qualified-subconsultants-riverside-countysocal-support-well-replacement-project-water

GHD Inc. is soliciting qualified subconsultants to support the Corydon Well Replacement Design Project for the Elsinore Valley Municipal Water District in California. The project seeks expertise in engineering, environmental services, surveying, geotechnical analysis, permitting, public outreach, and utility location. This opportunity is specifically open to Disadvantaged, Small, Women-Owned, and Minority-Owned Business Enterprises, as well as other certified small business entities. Interested firms must contact Charlie Brown via email to submit a qualifications package and request solicitation documents. The deadline for initial contact is August 7, 2026, with a final deadline to receive solicitation documents by 5pm PST on Friday, August 14, 2026. Relevant NAICS codes for this engagement include 541330, 237110, and 541490, among others.

POSTED

about 14 hours ago

DEADLINE

Subcontracting Opportunity: City of Bend’s Southwest Sewer Improvement Phase 3, Project No. 1SSW3

Solicitation # 27-3214

Parametrix is seeking qualified subconsultants to provide civil engineering design and right-of-way services for the City of Bend’s Southwest Sewer Improvement Phase 3, Project No. 1SSW3. The project aims to address sewer system deficiencies in southwest Bend by extending a gravity trunk sewer line to unsewered areas, decommissioning existing pump stations in the Romaine Village area, and installing service laterals to transition properties from private septic systems to public sewer. The scope may also include roadway reconstruction, ADA curb ramp and curb design, and minor transportation improvements such as turn lanes or mini roundabouts. The project is funded by the Clean Water State Revolving Fund administered through the Oregon Department of Environmental Quality, with a total design and construction budget of 3,875,000 dollars. The procurement process is managed by the City of Bend, with a proposal deadline of September 29, 2026. Selection is based on technical and administrative capabilities, with the potential for interviews to influence final scoring. Key deliverables include a preliminary engineering report, a public outreach plan, and construction contract documents at 30, 60, 90, and 100 percent completion, culminating in record drawings. The City intends to advertise for construction services in Fall or Winter 2027. Parametrix is actively soliciting firms with recognized federal, tribal, state, local, or independent DBE certifications as part of a good faith effort to include small, minority-owned, women-owned, and veteran-owned businesses.

POSTED

about 14 hours ago

DEADLINE

Design / Engineering for Microgrid System and DC fast charger

Solicitation # PE-64458-NONST-2027-000000037

The City of Decatur is soliciting proposals from qualified vendors to provide turnkey services for the design, bid assistance, and construction administration of a microgrid system. This project, located at the Decatur Police Department at 420 West Trinity Place in Decatur, Georgia, involves the installation of a solar photovoltaic generation system, a battery energy storage system, and a DC fast charger. The solicitation, identified as PE-64458-NONST-2027-000000037, was posted on September 11, 2026, with a response deadline of October 13, 2026. The project start date will be established following the award and coordination with Georgia Power. Interested parties may contact David Junger for further information regarding this SLED organization opportunity.

City of Decatur

POSTED

about 14 hours ago

DEADLINE

in about 1 month

Infrastructure - Request for Proposal - RFP FOR SITE AND GEOTECHNICAL INVESTIGATION CONSULTANT SERVICES FOR VARIOUS LOCATIONS – ELEVEN (11) SOUTH ALBERTA SCHOOL SITES

Solicitation # AB-2026-06239

The Infrastructure agency is seeking proposals from qualified consultants to provide site and geotechnical investigation services for eleven school sites located in South Alberta. This solicitation, identified as AB-2026-06239, focuses on essential land assessments and technical investigations to support the development of educational facilities in the Calgary region. Interested parties must submit their responses by the deadline of October 7, 2026, at 10:00 PM. The procurement process is being managed by Project Procurement Specialist Nkechi Nzewi, and further details regarding the submission process can be found through the official Alberta purchasing portal.

POSTED

about 14 hours ago

DEADLINE

Facility and Operational Assessment Services

The Tulalip Tribes

POSTED

about 15 hours ago

DEADLINE

Civil/Roadway Engineering Design (100% Plans)

Department of Environmental Protection

POSTED

about 15 hours ago

DEADLINE

Professional Services for Pensacola Bay Unpaved Roads Project

Solicitation # 2027002

The Department of Environmental Protection of Florida is seeking qualified vendors to provide professional services for the Pensacola Bay Unpaved Roads Project under solicitation number RFSOQ 2027002, which was posted on July 7, 2026, with a response deadline of August 11, 2026, at 7:00 PM Eastern Time. The work falls under NAICS code 70171503 and is classified as a state, local, or educational government procurement, with performance location specified within the state of Florida. Interested parties must submit their responses by the stated deadline, and failure to file a formal protest within the timeframe outlined in section 120.57(3) of the Florida Statutes or to post the required bond or security will result in the waiver of rights to pursue any administrative proceedings under Chapter 120. All inquiries and submissions should be directed to Sabina Flanagan at sabina.flanagan@FloridaDEP.gov or by phone at 850-245-2187. Additional details regarding technical and administrative requirements are contained within the full solicitation document accessible via the provided online portal.

Department of Environmental Protection

POSTED

about 15 hours ago

DEADLINE

Geotechnical Engineering Services

OMB - PURCHASING

POSTED

about 15 hours ago

DEADLINE

in almost 5 years

Environmental Engineering Services

OMB - PURCHASING

POSTED

about 15 hours ago

DEADLINE

in almost 5 years

Electrical Engineering Services

OMB - PURCHASING

POSTED

about 15 hours ago

DEADLINE

in almost 5 years

More opportunities from California → County of Orange, OC Public Works

Same awarding agency

Bituminous and Aggregate Material Supplier

Ready-Mix Concrete Manufacturing

POSTED

DEADLINE

Utility Adjustment and Manhole Contractor

All Other Specialty Trade Contractors

POSTED

DEADLINE

Pavement Preservation and Sealcoating Specialist

All Other Specialty Trade Contractors

POSTED

DEADLINE

Asphalt Paving and Cold Milling Subcontractor

Highway, Street, and Bridge Construction

POSTED

DEADLINE

Job Order Contract (JOC) For Pavement Maintenance Services

Solicitation # IFB-080-3104003-SV

The County of Orange, OC Public Works, is soliciting bids for an indefinite-quantity Job Order Contract (JOC) for Pavement Maintenance Services under solicitation number IFB-080-3104003-SV. The contractor will provide all labor, materials, equipment, and transportation necessary to perform pavement maintenance at various County-owned or operated facilities. Work is executed through individual job orders with specific scopes of work, including deliverables such as as-built records and supplemental specifications. Bidders must hold a valid California State Contractor's License, specifically Class A, and comply with California prevailing wage laws, ADA guidelines, and strict safety standards, including the submission of an Injury and Illness Prevention Program. The contract award is based on a weighted formula using two bidder-provided adjustment factors: one for normal working hours (80% weight) and one for other than normal working hours (20% weight). These factors are applied to a fixed Unit Price List (UPL) to determine the final cost of services. Bidders must submit their responses electronically via the County's eProcurement portal by the deadline. Successful awardees are required to provide faithful performance and labor and material payment bonds. The contract also emphasizes preferences for certified Orange County Local Small Businesses (OCLSB) and Disabled Veteran Business Enterprises (DVBE).

Highway, Street, and Bridge Construction

POSTED

DEADLINE

Bio-swale and Planter Box MaintenanceThis subcontract opportunity is for the horticultural and structural maintenance of vegetated stormwater treatment areas on County of Orange OC Public Works projects. The selected provider will support prime contractors by maintaining bio-treatment planter boxes and vegetated bio-swales through the removal of trash, sediment, and invasive species. Additionally, the contractor is responsible for applying soil amendments and organic mulch to ensure LID vegetation standards and capture efficiency are met, while providing necessary inspection reports. The project is located in Orange, California, and falls under NAICS code 561730. Interested parties must submit their responses by the deadline of September 24, 2026.

Landscaping Services

POSTED

DEADLINE

Stormwater Infrastructure & Drainage MaintenanceThis subcontract for Stormwater Infrastructure and Drainage Maintenance supports prime contractors on County of Orange OC Public Works projects in Orange, California. The scope of work involves the cleaning and maintenance of non-proprietary drainage and infiltration structures, specifically focusing on the removal of debris and sediment from slot drains, drywells, and catch basins using sediment removal tools and vacuum trucks. A critical requirement of the contract is the performance of event-driven inspections within 48 hours of 85th percentile storm events, as mandated by the Glassell Campus O&M Plan. The selected provider is responsible for delivering fully cleaned drainage structures and maintaining detailed inspection logs. The response deadline for this opportunity is September 24, 2026.

Highway, Street, and Bridge Construction

POSTED

DEADLINE

Proprietary LID BMP Maintenance SpecialistThis subcontract for the County of Orange OC Public Works involves providing specialized maintenance and inspection services for proprietary stormwater pretreatment and infiltration devices. The selected specialist will support prime contractors by maintaining CONTECH Filterra units, BIO-CLEAN Modular Wetland Systems, BIO-CLEAN Hydrodynamic Separators, and Maxwell Drywells. All work must be performed according to manufacturer-recommended schedules using specific tools and replacement media, with the final delivery consisting of certified maintenance records and completed inspection logs. The project is located in Orange, California, under NAICS code 561990. Interested parties must submit their responses by the deadline of September 24, 2026.

All Other Support Services

POSTED

DEADLINE

Glassell Campus Low Impact Development Best Management Practices Maintenance

Solicitation # IFB-080-3093302-DS

The County of Orange OC Public Works is soliciting firm price bids for a three-year contract to provide maintenance for Low Impact Development Best Management Practices at the Glassell Campus in Orange, California. The scope of work involves maintaining a highly engineered facility designed for 100% stormwater treatment and 85% stormwater capture efficiency. The selected contractor must perform inspections and maintenance in accordance with the 2015 Operations and Maintenance Plan and manufacturer guidelines for proprietary systems. Key deliverables include a comprehensive service schedule developed within the first two weeks of the contract and inspections conducted on monthly, quarterly, semi-annual, annual, and bi-annual schedules, as well as event-driven inspections within 48 hours of specific storm events. The contract will be awarded to the lowest responsive and responsible bidder. Evaluation factors include price, past performance, references, and the ability to meet all specified service requirements. Bidders must provide a valid Unique Entity Identifier and D-U-N-S number prior to award. Preference is given to certified County of Orange Local Small Businesses and Disabled Veteran Business Enterprises, who may receive a five percent price deduction for evaluation purposes, up to a maximum of 100,000 dollars. Bids are due by September 24, 2026, and must be submitted electronically via the eProcurement Portal.

Landscaping Services

POSTED

DEADLINE

Thermal Insulation ServicesThis subcontract for Thermal Insulation Services supports prime contractors on County of Orange OC Public Works projects in Santa Ana. The scope of work involves the supply and installation of high-temperature thermal insulation for boilers, heaters, and associated piping, as well as the delivery of insulated equipment. The selected provider must ensure the legal disposal of old materials in accordance with State and County mandates. Additionally, personnel are required to obtain background clearance to access secured facilities. The response deadline for this opportunity is September 28, 2026.

Roofing Contractors

POSTED

DEADLINE

Electrical Services (Specialty Trade)This subcontract for Electrical Services (Specialty Trade) involves performing electrical installation and repair for boiler and water heater systems on County of Orange OC Public Works projects in Santa Ana. The scope of work includes installing electrical panels, wiring, and controls in strict accordance with the National Electric Code to deliver certified installations. Eligible providers must hold a valid California C-10 Electrical Contractor License, maintain DIR registration, and obtain necessary background clearances. The solicitation was posted on August 27, 2026, with a response deadline of September 28, 2026.

Electrical Contractors and Other Wiring Installation Contractors

POSTED

DEADLINE

Boiler and Water Heater Mechanical ServicesThis subcontract for Boiler and Water Heater Mechanical Services involves the maintenance, repair, and replacement of steam and water boilers and hot water heaters for prime contractors working on County of Orange OC Public Works projects in Santa Ana. The scope of work includes installing ancillary piping, valves, strainers, and steam traps according to Delta-T specifications, as well as bleeding air and removing debris from looped water systems. The selected provider must deliver fully operational systems and detailed maintenance reports. Eligible contractors must be DIR registered and obtain background clearance to perform these services. The solicitation was posted on August 27, 2026, with a response deadline of September 28, 2026. This opportunity falls under NAICS code 238220 and is specifically for projects managed by the County of Orange in California.

Plumbing, Heating, and Air-Conditioning Contractors

POSTED

DEADLINE

Ready to Pursue This Opportunity?

Get AI-powered intelligence on this solicitation and the ones like it

Every page of the solicitation package shredded into a compliance breakdown

AI-powered matching based on your capabilities and past performance

Competitor and incumbent history on the requirement

Automated alerts on amendments, Q&A deadlines, and award

Join 650+ contractors already using CLEATUS