About: The Firm
Quantum is a multi-disciplinary firm, specializing in municipal public works projects. The principals and the senior staff possess years of experience in management positions with large public agencies, consulting firms, and private industry. The experience of our professional staff is extensive and we are well prepared to take complete responsibility for the planning, design, management and construction oversight of any project.
For the past sixteen years we have served more than thirty municipalities throughout Southern California. Among the local agencies that we have worked for are Compton, Hermosa Beach, Redondo Beach, West Covina, Carson, Burbank, Newport Beach, La Puente, Norwalk, San Marino, Thousand Oaks, Azusa, Lawndale, Gardena, and the County of Los Angeles.
Quantum has provided services that produced outstanding projects. Outstanding projects do not happen by chance, they require experienced, professional management, technical expertise and commitment. The professionals at Quantum Consulting, Inc. are dedicated to providing the necessary excellent service.
Our list of representative client cities includes Compton, Hermosa Beach, Redondo Beach, West Covina, Carson, Burbank, Newport Beach, La Puente, Norwalk, San Marino, Thousand Oaks, Azusa, Lawndale, Gardena and County of Los Angeles.
Management Services
Construction Management and Inspection
Quantum Consulting has provided Construction Management and Inspection services to numerous local agencies in Southern California in recent years. The following projects are examples of such project completed in recent years:
- Carson On-Call Construction Management and Inspection Services
- City of Lawndale, On-Call Public Works Inspection Services
- Charles B. Hopper Park Project
- Gardena Citywide Street Overlay
- Loma Area Sewer and Street Improvements
- Hemingway Park Aquatic Center
Project Management Services
Quantum Consulting has provided Program Management and Project Management Services to numerous local agencies in Southern California. The following projects are samples of such services completed in recent years:
- City of Carson, Community Center Roof & HVAC
- City of Culver City, City Hall
- City of Lawndale, Hawthorne Boulevard Revitalization Project
- City of Hermosa Beach, Utilities Under-grounding Project
- City of Lawndale, City Hall
Municipal & Design Services
City Engineering Services
Quantum Consulting has years of experience in providing general City Engineering Services to Cities throughout Southern California.
- City Engineer service
- Engineering counter services
- Engineering plan check services
- Engineering staff support
- Facilities Operations and Maintenance
- Grants procurement and administration
- Geographic Information Systems (GIS)
- Construction Management and Inspection
- Project Management
- Miscellaneous infrastructure design
Client Cities
In recent years Quantum Consulting has provided City Engineering services to the City of Azusa, the City of Lawndale and the City of Gardena.
Infrastructure Master Planning
Quantum Consulting has provided Infrastructure Master Planning Services to numerous cities in Southern California. Among the recent projects completed are the following:
- Compton Water Master Plan
- Compton Sewer Master Plan
- Azusa Sewer Master Plan
- Azusa Pavement Management Plan
- Gardena Sewer Master Plan
- Gardena Pavement Management Plan
Civil Engineering Design
Quantum Consulting has completed numerous designs for municipal capital improvements projects.
- Water Infrastructure Design
- Compton Water Bond Improvements - Provide full PSE for over 25 miles of water main replacement.
- Compton Well 21 - Provide full PSE for new potable water well.
- Roadway Design
- Hawthorne Boulevard Revitalization Project, Lawndale - Design of streetscape and pedestrian amenities along Hawthorne Boulevard from Redondo Beach Boulevard to Rosecrans Avenue.
- Washington Boulevard, Commerce - Design for the reconstruction of Washington Boulevard in the City of Commerce.
- Sewer Infrastructure Design
- Compton Sewer Bond Improvements - Provide full PSE for more than 15 miles of sewer replacement and lining.
Architectural Design
Quantum Consulting has completed numerous architectural designs for municipal capital improvements projects.
- Azusa City Hall Renovations - Provide designs for renovations to the existing Azusa City Hall building to accommodate more effective space utilization.
Projects
Civil and Transportation Design
Quantum Consulting is currently under contract with the City of Compton Municipal Water Department to design $44 million in water system improvements. These improvements had been identified in a Water Master Plan that Quantum Consulting had previously prepared for the City. The work includes over 25 miles of new water mains, water main replacement, inplace lining of structurally sound pipe, new valves and connections, and a new municipal water well which includes well development, complete new well facility design, water treatment system with new building and SCADA. of the 25 miles of water main projects which were divided into six (6) projects (JN 110W, JN 115W, JN 120W, JN 130W, JN 165W, and JN 170W) which are listed below, the designs have all been completed, four of the projects have been successfully constructed, the fifth is nearing construction completion with the new pipelines placed into service as they are installed, tested and disinfected. The sixth project is approved, signed and is ready to be bid. These projects were located in various locations in the City of Compton to upgrade the system, increase flows and pressure and increase fire services.
These projects included pavement replacement or restoration, temporary service to all customers, extensive coordination with the Municipal Water Department and continued construction support to maintain water and other services and to upgrade the water system.
The design of the new municipal well with development, treatment, pumping, facilities and interconnection pipeline is 90% complete and awaiting facility approval by the city.
Quantum prepared bid ready plans, specifications and estimate. Deisng services included field survey, utility coordination and establishment of design criteria, pipeline alignment and pipe sizing to balance the system. Projects totaled 25 miles of pipeline. Roadway restoration designs were included in the project design. Quantum also proved engineering support during bidding and construction. Existing Transite and deteriorated cast iron pipes were designed to be replaced and upgraded with new ductile iron pipes varying in sizes from 8 inch to 16 inches. Total bond funding of $44 million for the water system improvement projects. Each of the water main replacement projects was designed to be interconnect various portions of the Municipal Water System and on completion of the various projects to improve flows to several underserved areas. Additional fire hydrants were added throughout each of the projects to upgrade fire safety for the City.
Bid ready plans, specifications and estimates were prepared by Quantum. Design services included field survey, methodology evaluation, establishment of design criteria; utility coordination and design of additional pipelines in new alignments to upgrade the water system in lower pressure/ underserved portions of the project area. Methods of in-place lining or the type and condition of existing pipe were evaluated and cement mortar lining was determined to be the most suitable. Design also included access locations and valve replacement design to provide upgrade of the in-place lined system of pipes. Quantum also provided engineering support during bidding and construction.
Design services included site survey, well development, and interconneciton pipeline to two existing water mains, utility coordination and establishment of design criteria, complete pumping system design, pipe design and sizing potable water extraction and pumping facilities and flow control system, chlorination facility with new building plus instrumentation, control (SCADA) and electrical systems including new building for the Municipal Water Department. Project is deisnged and awaiting for final implementation by the Municipal Water Department.
Quantum Consulting completed the design of more than $6 million for the citywide water and sewer improvements for the City of Azusa including main replacement, storage tanks, pump station, lining, etc. These improvements had been identified in a Sewer Master Plan that Quantum Consulting had previously prepared for the City. The construction of this phase of our design work has been completed.
Quantum Consulting is currently proving design services for the citywide sewer improvements for the City of Gardena to include main replacement and in place lining. These improvements have been identified in a Sewer Master Plan that Quantum Consulting had previously prepared for the City. The design work has been completed for the first year in excess of $1.3 million worht of construction.
Quantum Consulting recently completed a contract with the City of Compton Public Works Deparment to design $20 million in sewer system improvements. Quantum prepared bid ready plans, specifications and estimate. Sewer projects were citywide and locations varied from being in easements in backyards of residential properties to being in residential collector and arterial streets. Some locations, proposed sewer pipes connected to Los Angeles County Sanitation District trunk lines. The work included design of five (5) sewer main replacement projects (CIP 10-04, CIP 10-05, CIP 10-18, CIP 10-20, and CIP 10-21) four of which averaged nine thousand (9000) linear feet if extra strength vitrified clay pipe and one 8 miles of in place CIPP sewer line restoration, for a total of over 15 miles of sewer pipe replacement, upgrade and reline. Roadway restoration designs were included in the proeject design. Pipes designed range in sizes from 8" to 21". The replacement desins included extensive trench paving replacement due to marginal soils conditions for deep trenching.
Quantum provided design for the construction of VCP sewer main, instrallation of manholes, re-establishment of sewer laterals. Quantum prepared final plan, specs and estimates. We also provided engineering support during bidding and construction. Quantum provided construction documents interpretation and consultation during th bidding phase of the project. Assisted the City in preparing bid addenda as required to provide clarification to the contract documents and responses to Request for Information (RFI) and Request for Clarification (RFC). Provided shop drawing review of Contractor's submittals, provided change order review and met with City to discuss change orders and construction issues. Prepared record drawings for the project based on the "markups" provided by the Contractor or City and verified by Consultant during construction.
Quantum provided design services and construction inspection for the intersection improvements at the Foothill Boulevard/ Alameda Street in Downtown Azusa. This work involved a new predeestrian island, a new crosswalk, access ramps and a new pedestrian actuated traffic signal.
Quantum provided engineering design services for this project. Quantum prepared plans, specifications and engineer's estimate (PS&E) including sidewalk improvements, ADA access improvements, curb and gutter, removal and replacement of tree, striping, pavement design services for this projecy. The total length of this project was over 4000 LF. The total amount funded for this project was $256,000.
Quantum Consulting prepared complete project plans, specifications and estimate for reconstruction with Proposition 42 funding of approximately four thousand (4,000 LF) feet of roadway and pedestrian improvements. Design included paving section, striping, curb and gutter, sidewalk, approaches, cross gutters, and ADA ramps to provide a complete municipal roadway restoration from Alameda St. to Long Beach Blvd. Project construction has been completed and the project accepted.
Quantum Consulting prepared complete project plans, specifications and estimate for reconstruction of through alley and tee configured alleys with local business pedestrian alley access, five roadway alley approaches, gutters, sidewalk, and ADA access replacements to provide a complete improvement of the existing facilities. Design included the detail drawings for the pedestrian improvements replacement, and other details to complete the work.
We completed the Citywide Sidewalk and Pedestrian Safety Improvements design and construction management for the City of Lomita. Quantum provided engineering design, construction management and inspection services for this project. The work consisted of concrete sidewalks, curb ramps per ADA, curb and gutter, removal and replacement of trees, intersection striping and signage installation at various locations throughout the City of Lomita. The construction cost for this project was $220,000. On behalf of the City of Lomita and the City Council, we received a letter from the Public Works Director informing us that they are very pleased with the work that our team has done on this project.
Quantum provided design and construction inspection services for new sidewalk and pedestrian access improvements along Alosta Avenue and Fenimore Street in conjunction with landscape architects and irrigation consultants design. Project coordinated student pedestrian flow from local college, parking requirements of retail center fronting Alosta and residential access for new condominium development on Fenimore.
Quantum provided concept design services for a SRTS project application for the City of Azusa. The proposed improvements included access ramps, new sidewalk, fencing, crosswalks, and traffic signals. This safe route to school design includes configuration of flood control crossing facility, new dryscaped pedestrian walkway from high traffic areas, pedestrian crossing facilities and access to local school by off street routing.
Quantum provided design and construction inspection for new sidewalk improvements with landscape reconfigurations on the Citrus Avenue frontage of the Citrus Crossing retail center development.
Quantum provided engineering design services for this project. Quantum prepared plans, specifications and engineer’s estimate (PS&E). This project included removal and construction of paving, sidewalks, driveways, spandrel and curb and gutter.
Quantum Consulting provided project management, preliminary design and drainage study services for the Vermont Ave Storm Drain Restoration project. This project consisted of restoring of the four 60 year old 72” Corrugated Metal Pipes (CMP) on Vermont Ave just north of Artesia Blvd. This project was an emergency restoration project due to several inches of subsidence on Vermont Ave.
On-Call Engineering Services
Quantum Consulting has been providing on-call engineering services for the City of Gardena for the past three years. During this time we have provided public works inspections for all public and private facilities within or affecting the right of way, including pavement rehabilitation, drainage, sewer and water facilities, traffic control. This work included public outreach to assure coordination with residents and businesses to maintain access to individual properties during construction. Each individual project was completed on time and within budget.
Quantum Consulting provided on-call engineering services including plan check, construction management, and public works inspection services for the City of Azusa for a period of two years. During this time we provided inspections for all public and private facilities within or affecting the right of way, including pavement rehabilitation, drainage, sewer and water facilities, traffic control. This work included public outreach to assure coordination with residents and businesses to maintain access to individual properties during construction. Each individual project was completed on time and within budget.
Quantum Consulting provided on-call public works inspection services for the City of Lawndale for a period of five years. During this time we provided inspections for all public and private facilities within or affecting the right of way, including pavement rehabilitation, drainage, sewer and water facilities, traffic control. This work included public outreach to assure coordination with residents and businesses to maintain access to individual properties during construction. Each individual project was completed on time and within budget.
Quantum Consulting provided on-call public works inspection services for the City of Compton. During this time we provided inspections for all public and private facilities within or affecting the right of way, including pavement rehabilitation, drainage, sewer and water facilities, traffic control. This work included public outreach to assure coordination with residents and businesses to maintain access to individual properties during construction. Each individual project was completed on time and within budget.
Quantum Consulting provided services for various projects throughout the City. This work included public outreach to assure coordination with residents and businesses to maintain access to individual properties during construction. Each individual project was completed on time and within budget.
Architectural and Engineering Design
Quantum Consulting provided A/E design services and program management for the conversion of an un-used city building into offices for the Public Works Department and the Transportation Department and the complete renovation of the City Hall main building and executive offices.
Quantum Consulting has provided architectural and engineering design and construction management for a replacement restroom facility at Arthur Johnson Park that just finished construction. Bid ready plans, specifications and estimate were prepared by Quantum.
Quantum Consulting was responsible for all aspects of this project that included re-roofing a community center building. The entire HVAC mechanical system was also replaced. Quantum Consulting prepared the architectural plans, specifications and estimates (PS&E) for the project, and provided project management, construction management and inspection services to the City of Carson.
Quantum has provided design services for a replacement 10,000 square foot vehicle maintenance and storage facility that is currently finishing construction. Bid ready plans, specifications and estimate were prepared by Quantum.
Project and Construction Management and Inspection
Quantum Consulting provided construction management and inspection services to the City of Azusa for the 600 acre Rosedale mixed use project in the foothills of Azusa. Inspection included rough grading, final grading, drainage improvements, new roadway and street construction, new pedestrian facilities, new underground utility improvements, and two new public parks. This work included construction of a new railroad bridge and Palm Avenue extension with traffic calming and intersection with Old Foothill Boulevard. This work also included careful monitoring of the approved SWPPP’s and application of BMP’s around the development site during the course of construction. Work on this project slowed due to the unfavorable housing market conditions. Douglas Preble, Jerry Ichien, and John Soufiani were involved in this work. The approximate construction value of the work Quantum inspected was $30,000,000. Our services commenced in 2005 and concluded when construction was suspended in early 2009.