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This Solicitation opportunity from California was posted on September 29, 2025. The submission period has ended. Browse the details below for market research, or find similar active opportunities.

Landslide Repair on Round Mountain Road

Closed
25040State & Local

Contract Overview

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

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NAICS: 237310
New
International
Conservation Work and Access Road Improvement of Shahr-e Gholghola to Chehel Dukhtaran Ancient Qalah and Access Road Improvement of Zargaran Bala and Zargaran Payeen Valley in Bamiyan, Afghanistan Aziz Ur Raman Tanha - [email hidden]
Solicitation # AFG26ITB009
UNESCO is soliciting bids for a large-scale works project in Bamiyan province, Afghanistan, focused on preserving heritage properties and upgrading informal settlements in Sayed Abad, Zargaran Bala, and Zargaran Payeen villages. The scope of work includes the conservation of the Ancient Qalahh of Chehel Dukhtaran, improvement of access roads from Shahr-e Gholghola to the Qalahh, and the installation of drainage systems. Key construction activities involve stone masonry, Plain Cement Concrete (PCC), boulders, and Reinforced Cement Concrete (RCC). The project is supported by the government of Italy and implemented through UNESCO and UN-Habitat. The contract will be awarded to the lowest priced technically qualified bidder based on criteria including technical capacity, experience, and compliance with specifications. The performance period requires commencement within 45 days of site access, with substantial completion expected within four months. Financial terms include a potential 20% advance payment, with progress payments submitted monthly and final payment processed 30 days after the issuance of a Certificate of Substantial Completion. Contractual obligations include a 10% performance guarantee valid for 12 months post-completion and a 12-month defects liability period. Liability insurance must cover the contract value plus 10%. For delays, liquidated damages are set at 0.35% of the contract price per calendar day, capped at 10%. Bidders must submit their proposals in PDF format via email by November 29, 2026, ensuring all files are under 10MB per email and avoiding third-party file-sharing tools.
UNESCO

POSTED

about 24 hours ago

DEADLINE

N/A
NAICS: 237310
New
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Salem Twp- T-16 Culvert Washout Replacement
Solicitation # 49913
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Washington County, OH - Engineer

POSTED

1 day ago

DEADLINE

in 16 days
NAICS: 237310
New
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KTA 8297
Solicitation # 8297
KTA Contract 8297, managed by the Kansas Turnpike Authority, involves the installation of an Ultrathin Bonded Asphalt Surfacing (UBAS) overlay on I-35, including interchanges, from mile marker 112 to 132 in Lyon County. The scope of work encompasses UBAS, commercial grade asphalt patching and surfacing, patching of the I-35 mainline, and the milling and inlaying of the outside shoulder. Key deliverables include the installation of specific pavement markings, such as 12-inch white chevron lines and 6-inch yellow edge lines, and the implementation of comprehensive work zone traffic control. Performance is scheduled in phases, with asphalt patching and commercial grade paving starting no earlier than April 12, 2027, and UBAS and remaining work commencing after May 31, 2027. The contract will be awarded to the lowest responsible bidder based on the summation of unit prices multiplied by approximate quantities. Bidders must provide a statement of financial condition unless pre-qualified by the Kansas Department of Transportation or the Authority, and must submit a bid bond of 5 percent of the bid. The contractor is required to provide certificates of insurance for Workers' Compensation, Employer's Liability, and Comprehensive Public Liability and Property Damage Insurance. All work must adhere to the 2015 Standard Specifications for State Road and Bridge Construction and KDOT Construction Manual standards, with strict prohibitions against making turnarounds through the barrier wall.
Kansas Turnpike Authority

POSTED

1 day ago

DEADLINE

in 2 days

AI Contract Overview

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This contract involves the reconstruction of a roadway affected by a landslide on Round Mountain Road in California. The scope of work includes stabilizing the area by rebuilding the roadway with class II aggregate base and hot mix asphalt concrete, ensuring a durable and safe surface. Additionally, the project requires replacing an existing culvert, a flume downdrain, and a delineator to restore proper drainage and safety features. The project is managed by Kern County and is valued between $500,000 and $1,500,000, with a solicitation posted on September 29, 2025, and a response deadline of October 22, 2025. Interested parties can contact Kern County via email or phone for further details and access project information through the provided online portal.

General Info

Place of Performance

CA, USA

Set-Aside

NONE

Documents

1
PDF, High priority: read this firstitb
High

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Timeline

2 updates
PhaseClosed
Posted

Solicitation

Notice updated

Response deadline changed from Sep 19, 2024 to Oct 30, 2024. The notice title changed. NAICS code changed from 922160 to 335132. The notice description changed. The point of contact changed.

Notice updated

Response deadline changed from Oct 30, 2024 to Oct 22, 2025. The notice title changed. NAICS code changed from 335132 to 237310. The notice description changed. The point of contact changed.

Response Deadline

Deadline has passed

Submission Closed

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Organization & Contact Information

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AgencyCalifornia → Kern County
Contacts1 person available
OfficeN/A
Organization / AgencyCalifornia → Kern County
Office AddressN/A

Full Description

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The work to be performed consists, in general, of reconstruction of the roadway and landslide with class II aggregate base and hot mix asphalt concrete, replacing existing culvert, replacing existing flume downdrain, and replacing existing delineator.

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Solicitation # PLD24-00004
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DEADLINE

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