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Mechanical Mastication and Pile Construction

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State & Local

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This subcontract for Mechanical Mastication and Pile Construction involves performing mechanical thinning and fuel reduction for prime contractors on vegetation management projects within Tuolumne County, California. The scope of work includes masticating and chipping dead standing snags and down material up to 20 inches in diameter, mulching material into the soil to a depth of 6 inches, and constructing machine piles with minimum dimensions of 10 by 10 by 10 feet. To execute these tasks, the contractor must utilize tracked carrier units equipped with boom-mounted masticating heads capable of operating on slopes ranging from 0 to 45 percent. The final deliverables consist of treated acreage featuring processed mulch and completed piles. Interested parties must respond by November 14, 2026.

General Info

Mechanical thinning and pile construction subcontract in Tuolumne County, California, due November 14, 2026.

Documents

This scope was carved out of RFP-2025-0153.

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

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Mechanical Site Prep: Cherry West Item 1

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Organization & Contact Information

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AgencyCalifornia → County Administration Office
ContactsNo contacts available
OfficeN/A
Office AddressN/A
ContactsNo contact information available

Full Description

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Performs mechanical thinning and fuel reduction for prime contractors on Tuolumne County vegetation management projects. Masticates and chips dead standing snags and down material up to 20" diameter, mulches material into soil to 6" depth, and constructs machine piles minimum 10'x10'x10'. Requires tracked carrier units with boom-mounted masticating heads capable of 0-45% slopes. Delivers treated acreage with processed mulch and constructed piles.

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More opportunities from California → County Administration Office

Same awarding agency

NAICS: 115310
New
SLED
Mechanical Site Prep: Jawbone Creek Item 2
Solicitation # RFP-2025-0154
Tuolumne County is soliciting proposals under RFP-2025-0154 for the Cherry West Project, which involves fuels reduction and mechanical site preparation across approximately 796.26 acres within the Stanislaus National Forest. This effort is part of a broader Master Stewardship Agreement with the USDA Forest Service and the Yosemite Stanislaus Solutions Collaborative to restore forest and watershed health. The scope of work specifically includes mastication, chipping, and piling across several designated units, with a total acreage breakdown including units K018A, K018B, L001, L002, and L003. The contract is awarded based on best value, considering price and the qualifications of the proposer. Selected contractors must adhere to California Labor Code prevailing wage requirements and provide detailed project schedules, mobilization plans, and equipment specifications. Payment is contingent upon Forest Service acceptance, with full payment triggered only if inspection results show 95 percent or more of the work is complete. Contractors are responsible for strict fire safety compliance, including obtaining permits for burning or welding, and must submit employment-outcome reporting regarding wages and training. Proposals must be submitted electronically via the County's procurement portal by November 13, 2026.
Support Activities for Forestry

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NAICS: 115310
New
SLED
Mechanical Site Prep: Cherry West Item 1
Solicitation # RFP-2025-0153
The County of Tuolumne is soliciting proposals under RFP-2025-0153 for the Cherry West Project, which involves mechanical site preparation and fuels reduction on approximately 535.90 acres within the Stanislaus National Forest. This effort is conducted under a Master Stewardship Agreement with the USDA Forest Service on behalf of the Yosemite Stanislaus Solutions Collaborative to enhance forest and watershed health. Authorized activities include mastication, hand thinning, chopping, piling, and the creation of fuelbreaks. The initial contract term is two years, with the possibility of two three-month extensions. Priority units M014A and M014C must be completed between June and October 31, 2027, with at least 50 percent of all awarded acres finished by that date and all remaining work completed by October 31, 2028. Qualified proposers must have at least three years of experience in forested environments, hold a valid DIR registration number for prevailing wage compliance, and be licensed to practice in California. Award decisions are based on the most advantageous proposal considering price and other factors. Payment is contingent upon Forest Service acceptance, with full payment granted for work that is 95 percent or higher complete; work below this threshold may receive no payment or a reduced price. Contractors are required to submit a progress schedule, traffic control plan, and erosion control measures within 10 days of the Notice to Proceed. Additionally, the contract mandates strict adherence to fire safety plans, environmental protections for streamcourses, and detailed employment outcome reporting.
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