Maribel Ruble is a Contract Specialist at Lower Colorado Regional Office. Maribel is associated with 56 contracts. Lower Colorado Regional Office has $81,861,848 in total awards. Activity spans Other Heavy and Civil Engineering Construction, Highway, Street, and Bridge Construction, and Site Preparation Contractors.
Person Profile
Contracting officer information and contact details
The Department of the Interior, through the Lower Colorado Regional Office based in Boulder City, Nevada, has issued an award notice for Architect-Engineer services focused on the replacement and demolition of MODE bridges. This project falls under NAICS code 541330 and is managed under solicitation number 140R3026R0024.
The contract is administered by the Lower Colorado Regional Office, with Maribel Ruble serving as the primary point of contact. The scope of work involves professional engineering and architectural services necessary to facilitate the removal of existing bridge structures and the design and implementation of their replacements.
The Bureau of Reclamation Lower Colorado Regional Office is soliciting quotes under solicitation 140R3026Q0127 for the procurement and delivery of pipeline components to support water pumping systems at the Planet Ranch Conservation Area and Yuma Meadows Conservation Area. This total small business set-aside under NAICS code 326122 requires a variety of materials, including 1,400 linear feet of 12-inch, 40 linear feet of 18-inch, and 700 linear feet of 24-inch HDPE pipe, as well as 40 linear feet of 12-inch steel pipe. Additional requirements include 24-inch HDPE elbows and tees, various weld-on and slip-on flanges, and installation accessories such as bolt packs and anchors. All items must meet specific performance and compatibility standards, with steel pipes adhering to NPS Standard, Schedule 40, and AWWA C207 Class B/ANSI Class 150 bolt patterns.
The government intends to award a single firm-fixed-price purchase order based on a comparative evaluation of delivery capability, past performance within the last three years, technical capability, and price. Successful vendors must deliver all materials FOB Destination to Yuma, Arizona, within 120 calendar days of the award, coordinating delivery at least two weeks in advance for arrivals between Monday and Thursday, 7 AM to 3 PM Arizona Time. Contractors are responsible for ensuring materials are boxed and palletized to prevent corrosion, deformation, and other physical damage. Invoicing must be processed electronically through the Invoice Processing Platform (IPP) and emailed to designated contract specialists using a specific subject line and attachment naming convention.
This contract is an Indefinite Delivery/Indefinite Quantity (IDIQ) award for the collection, propagation, and transplantation of native plant species under the Bureau of Reclamation’s Lower Colorado Regional Office, part of the Department of the Interior. The solicitation, issued on May 14, 2026, with a response deadline of June 15, 2026, targets contractors capable of delivering native plants across multiple formats including plugs, cuttings, bare root, and containerized specimens, with an estimated total contract value between $500 and $6,000,000 over a five-year period from September 1, 2026, to August 31, 2031. Work is performed under task orders governed by a detailed Performance Work Statement and Quality Assurance Surveillance Plan, requiring contractors to maintain strict plant health standards—100% of delivered plants must be free of disease, wilting, or insect damage, with soil moisture preserved throughout transit to meet a 95% moisture consistency threshold. Plants are shipped FOB destination, with inspection and acceptance executed by the Government at both origin and delivery sites, and acceptance is contingent on adherence to the Performance Requirements Summary and Reclamation-specific safety and health clauses.
The contract is administratively managed through a firm-fixed-price structure with electronic invoicing mandatory via the U.S. Treasury’s Invoice Processing Platform, supplemented by email submission to the Contract Specialist, Harris Abellon. Specific requirements include compliance with Department of the Interior alternate clauses covering security, liability insurance, contracting officer representative authorities, and proposal confidentiality, alongside standard FAR provisions on small business utilization, subcontracting reporting, executive compensation disclosure, and prohibitions on confidential internal agreements that inhibit whistleblower reporting. Offerors must hold a Unique Entity Identifier and provide a Small Business Subcontracting Plan if claiming small business status, and are subject to post-award re-representation obligations. Security clearances are required for personnel accessing sensitive information, and a post-award conference is mandatory involving key personnel. No pricing is specified in the base solicitation; all CLINs are to be priced at the task order level. Packaging must maintain soil moisture and incorporate anti-desiccants and ventilation without specifying MIL-STD compliance, and delivery locations are determined by task order with primary administrative oversight based in Boulder City, Nevada. The evaluation process prioritizes technical approach, followed by past performance and price, with award based on best value through a trade-off methodology, not simply the
The 7G-IMT LCB ICS Switch Lifecycle Replacement contract, identified by solicitation number 140R3026Q0115, focuses on the replacement of various Industrial Control Systems switches within the Lower Colorado Basin. This project is managed by the Department of the Interior through the Lower Colorado Regional Office, located in Boulder City, Nevada.
Classified under NAICS code 334111, the award notice was posted on August 27, 2026. Maribel Ruble serves as the primary point of contact for this initiative, which ensures the continued operational efficiency and modernization of critical infrastructure systems in the region.
The Department of the Interior, specifically the Lower Colorado Regional Office based in Boulder City, Nevada, has issued an award notice for the purchase of F4 BAT detectors. This procurement, identified by solicitation number 140R3026Q0126, falls under NAICS code 334310, which pertains to the manufacturing of signal generators and noise suppressors.
The contract was posted on August 21, 2026, and is managed by the primary point of contact, Maribel Ruble. Further administrative details and documentation regarding this acquisition can be accessed through the official government workspace via the provided system for award management link.
Department Of The InteriorNV,
USA
NAICS
334310
Audio and Video Equipment Manufacturing
PSC
5895
Communications, Detection, and Coherent Radiation Equipment
The YAO East Yard Power project, identified by solicitation number 140R3026R0014, is an award notice issued by the Department of the Interior through the Lower Colorado Regional Office. The contract falls under NAICS code 236220, which pertains to commercial and institutional building construction.
The administrative office for this project is located in Boulder City, Nevada. Maribel Ruble serves as the primary point of contact for the engagement. The official notice was posted on August 11, 2026.
Department Of The InteriorNV,
USA
NAICS
236220
Commercial and Institutional Building Construction
PSC
Z1EB
Maintenance, Repair, or Alteration of Real Property
The contract titled D--RIVERWARE SUPPORT is issued by the Lower Colorado Regional Office under the Department of the Interior, with the solicitation number 140R3026F0025 and a NAICS code of 541620, indicating it falls under Other Scientific and Technical Consulting Services. It was posted on August 4, 2026, and is categorized as a justification, suggesting it supports an existing need requiring specialized technical assistance rather than a competitive procurement. The work is expected to be performed in Boulder City, Nevada, though the exact place of performance details are unspecified beyond the agency’s office location. Point of contact for inquiries is Maribel Ruble, reachable via email at mruble@usbr.gov or phone at 928-343-8217. The contract does not specify a set-aside type, meaning it is open to all eligible contractors without restrictions based on business size or social equity categories.
The contract pertains to the renewal of a survey warranty service for fiscal year 2026 under solicitation number 140R3026Q0076, awarded by the Lower Colorado Regional Office of the Department of the Interior. The work is classified under NAICS code 811210, indicating it relates to equipment repair and maintenance services, and is managed by an office located in Boulder City, Nevada, with a zip code of 89005. This acquisition does not specify a particular set aside type, suggesting it is open to general competition without restricted eligibility based on small business or other categories.
The point of contact for the contract is Maribel Ruble, reachable via email at mruble@usbr.gov or by phone at 928-343-8217. The place of performance has not been specifically defined in the provided data, implying that services may be delivered across relevant locations tied to the Lower Colorado Regional Office’s jurisdiction. The contract was posted on May 29, 2026, and further details can be found through the provided SAM.gov link, which serves as the official portal for procurement information and award documentation.
Department Of The InteriorNV,
USA
NAICS
811210
Electronic and Precision Equipment Repair and Maintenance
PSC
R499
Professional, Administrative, and Management Support Services
The contract awards YAO 6-inch trash pumps under solicitation number 140R3026Q0055, issued by the Lower Colorado Regional Office of the Department of the Interior. The award was posted on May 8, 2026, and falls under NAICS code 332510, which corresponds to the manufacturing of water and water supply equipment. The contracting office is located in Boulder City, Nevada, with a ZIP code of 89005, and the point of contact for inquiries is Maribel Ruble, reachable via email at mruble@usbr.gov or by phone at 928-343-8217. The place of performance has not been specified, indicating flexibility in delivery or deployment locations. There is no set-aside type designated for this award, meaning it is open to all eligible contractors without preference based on small business, veteran-owned, or other socio-economic categories. The contract is related to procurement of heavy-duty trash pumps critical for sediment, debris, and water management operations in federal infrastructure or environmental projects under the bureau’s jurisdiction.
