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Open Bids and Requests for Proposals


The Mountains Recreation and Conservation Authority (MRCA) is currently accepting bids from weed abatement contractors for brushing of numerous parcels in Los Angeles County. Sealed bids will be accepted until 2 p.m. on May 17, 2023, at King Gillette Ranch, located at 26800 Mulholland Hwy, Calabasas, CA 91302. All sealed bids will be opened and publicly read at that time. This is a public works project as defined in Labor Code 1720 and will require prevailing wages if bids exceed over $15,000.00. At the time of bid submission, and at all times during the term of the contract agreement, the weed abatement contractor shall hold a CSLB C-61/D-49 license issued by the state of California. The deadline for all questions will be May 11, 2023 by 5 pm submitted in writing to Leigh Croley at: leigh.croley@mrca.ca.gov and any clarifications to questions will be provided in writing and posted herein by May 12, 2023.

Bid package- Mulholland May 2023


The Mountains Recreation and Conservation Authority (MRCA), a local public agency exercising joint powers, is seeking bids from licensed contractors for work located at 570 West Avenue 26, Los Angeles, CA 90065. The work for includes but is not limited to the installation of approximately 550 linear feet of 10′ wrought iron fencing, installation of approximately 90 linear feet of wrought iron fencing atop the existing wall, one (1) single wrought iron rolling gate, one (1) two-panel telescoping wrought iron gate, and two (2) pedestrian access gates. Reconstruction of sidewalk, curb, and planters may be needed for installation. Additional improvements include but are not limited to gate automation and a keypad control access system. This is a public works project as defined in Labor Code 1720 and must be performed in accordance with the requirements of the California Labor Code. All services must meet and comply with local and state laws and regulations.

There is a mandatory job walk for bidders on Monday, May 1, 2023, at 11:00 am at the project site. Sealed bids will be accepted until 11:00 a.m. on Tuesday, May 16, 2023, in the main office of the Mountains Recreation and Conservation Authority at 570 W. Avenue 26, Suite 100, Los Angeles, CA, 90065, and will be opened and publicly read at that time. To receive the bid documents, please send an email request to MRCA Project Manager, Sofia Aleman (sofia.aleman@mrca.ca.gov). All questions should be submitted via email listed above to the Project Manager by 5:00 p.m. on Friday, May 5, 2023. Any clarifications will be provided in writing by Tuesday May 9, 2021.



Mountains Recreation and Conservation Authority (MRCA, siglas en inglés), una agencia pública local que ejerce poderes conjuntos está buscando ofertas de contratistas con licencia para un trabajo ubicado en 570 West Avenue 26, Los Angeles, CA 90065. La obra incluye, entre otros, la instalación de aproximadamente 550 pies lineales de cercas de hierro forjado de 10 pies, la instalación de aproximadamente 90 pies lineales de cercas de hierro forjado de 10 pies, una puerta rodante, una puerta telescópica de dos paneles, y dos puertas de acceso peatonal. Reconstrucción de acera y el bordillo puede ser necesaria para la instalación del cerco. Las mejoras adicionales incluirán, entre otras, la automatización de puertas y un sistema de control al acceso. Este es un proyecto de obras públicas tal como se define en el Código de Trabajo 1720 y debe realizarse de acuerdo con los requisitos del Código laboral de California. Todos los servicios deben cumplir con las leyes y regulaciones locales y estatales.

Hay una caminata de trabajo obligatoria para los oferentes el lunes 1 de mayo de 2023 a las 11:00 a.m. en el sitio del proyecto. Las ofertas selladas serán aceptadas hasta las 11:00 a.m. el martes, 16 de mayo de 2023 en la oficina principal de Mountains Recreation & Conservation Authority (MRCA, siglas en ingles) en 570 W. Avenue 26, Suite 100, Los Ángeles, CA, 90065, y serán abiertas y leídas públicamente en ese momento. Para recibir los documentos de la oferta, envíe una solicitud por correo electrónico a Sofia Aleman (sofia.aleman@mrca.ca.gov). Todas las preguntas deben presentarse por correo electrónico antes de las 5:00 p.m el viernes 5 de mayo de 2023. Cualquier aclaración se proporcionará por escrito a partir del martes 9 de mayo de 2023.

Disadvantaged Business Participation

Diversity, inclusion, equity, and relevancy are essential to MRCA’s ability to achieve protection of Southern California’s open space and recreation resources. The MRCA recognizes that there is a fundamental right of all people to equitably access Southern California’s rich environmental resources and participate in decisions that affect these resources. The historic pattern of environmental burdens borne disproportionately by disadvantaged communities can be altered through deliberate practices that increase inclusion and participation. MRCA’s purchasing power can be used to promote environmental equity, diversity, and inclusion in all forms.

In 2017, MRCA’s Governing Board adopted an Outreach and Advertising Policy for contracts and established a target participation rate for disadvantaged business enterprises of 20%.

Short List for Professional & Architecture/Engineering Services

In October 2020 MRCA conducted a Request for Statements of Qualifications for Professional Services. The next RFQ cycle for Professional Services will occur in 2023. Six firms were selected for a two-year contract for on-call services, subject to Governing Board approval:

Geotechnical Engineering On-Call Services:  Gorian & Associates*

Civil Engineering, Topographic Surveying and Mapping On-Call Services: Moran Consulting Corporation*

Architecture On-Call Services: office42 architecture*

Environmental Consulting and CEQA On-Call Services: Rincon Consultants, Inc.

Construction Management On-Call Services: TELACU Construction Management

Mechanical, Electrical, and Plumbing Engineering On-Call Services: Turpin & Rattan Engineering, Inc.*


Fifty-three firms, listed below, were deemed to have demonstrated competence and qualifications, and were placed on a short list. This list will be used to solicit proposals for specific projects as opportunities arise.

Architecture and Planning

BOA Architecture*

Duvivier Architects*

Levin & Associates Architects*

office42 architecture*

Swift Lee Office, Inc.*


Civil Engineering, Topographic Survey, and Mapping

Albert A. Webb Associates


Hunsaker & Associates Irvine, Inc.*

KOA Corporation

Moran Consulting Corporation*

P A Arca Engineering Inc.*


Uniplan Engineering, Inc.*

VCA Engineers, Inc.*


Environmental Consulting

ECORP Consulting, Inc.

Fehr & Peers

Rincon Consultants, Inc.

Ruth Villalobos & Associates*

SWCA Environmental Consultants

UltraSystems Environmental Inc.*

Wildscape Restoration*


Construction Management and Cost Estimating

Atlas Project Support*

Berg & Associates, Inc.*


Dabri, Inc.*

EQS Consultants, Inc.*

GK & Associates*

Griffin Structures

Knowland Construction Services*

RWBID Design + Constuction*

TELACU Construction Management


Geotechnical Engineering

Fenagh Engineering & Testing

Geocon West, Inc.

Gorian & Associates*

Shannon & Wilson

Multi-Discipline Engineering

Turpin & Rattan Engineering, Inc.*

Coffman Engineers, Inc.


Landscape Architecture

Architerra Design Group

Duane Border Design



Kounkuey Design Initiative (KDI)




rhaa Landscape Architecture and Planning*

RJM Design Group, Inc*

SALT Landscape Architects*



Thomas Sabin Studio

Withers & Sandgren, Ltd*



BlueGreen Consulting

*Firms that self-reported a disadvantaged business certification (including small business enterprise, minority business enterprise, woman-owned business enterprise, and disabled veteran business enterprise.