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The Trans Bay Cable Project was a major HVDC infrastructure project that was completed in the San Francisco Bay Area. Patch Services provided Engineering, Technical, Owners Engineer and Project and Construction Management services. Patch was responsible for the production of Permitting documents, presentations to Governmental and Regulatory Authorities and for the production of engineering designs, analysis, and technical reviews. In addition, Patch provided technical and construction expertise and staffing required to conduct the On-Site monitoring of construction progress. The major activities and services provided throughout the project included:

-Licensing and Permitting that was required from a number of State and City     Governmental and Regulatory Agencies as well as interfacing with PG&E;

-Direct interfacing with Project Owner on issues related to Permitting   Requirements, Siting requirements, and Construction Management;

-Securing Easement Rights in San Francisco Bay from the California State Land   Agency;

-Preparation of Easement and Legal Description required for securing access   and real property rights for the Converter Stations and the installation of the   High Voltage cable across private properties;

-Development of the Projects CPM Engineering, Procurement, Material Delivery   Schedules for Material and Equipment manufactured in Europe.

-Program Management of the Project

-On Site Construction Management of the Project Converter Sites and   coordination with lenders inspection personnel for the laying of the subsea   High Voltage DC Cable.

equipments, pipes in a modern thermal po

Patch Services provided engineering and programme management support to our client as they modified their existing Cogeneration Facility by the addition of a Distilled Water Plant. This plant consisted of a Low Pressure Evaporator/Condenser, a Cooling Tower, two Heat Exchangers and a balance of pumps, valves, and instruments. The power plant fed first pass RO water to the Distilled Water Plant as fed stock and then was stored, blended, and injected into the City Non-Potable Water system in order to reduce the concentration of Total Dissolved Solids in the NPW system. Patch Services engineering and management responsibilities included:

-Design Basis Document;

-Scope of Work Document;

-Total Installed Cost Estimate and Project CPM Schedule;

-Engineering Oversight and Discipline Coordination;

-Procurement of Major Engineered Equipment;

-Site Construction Management;

-Process Flow Development;

-Piping and Instrumentation Diagram;

-Survey of Pertinent Existing Plant Equipment;

-Geotechnical Report of Pertinent Plant Area;

-Structural Steel and Reinforced Concrete Design of Equipment Foundations;

-Equipment and Fabrication Vendor Drawing Review and Approval;

-Electrical One Line and Control Schematic;

-Process Instrumentation Specifications; 

-Electrical Wire and Conduit Specifications;

-Electrical Wire and Conduit Schematic;

-Short Circuit and Arc Flash Calculations;

-Control System Software and Hardware Design;

-Instrument Loop Diagrams and Connection Details;

-Plant Systems Test, Start-Up, Training and Turn Over of Operations.

Gas turbine power plant with blue

Patch Services provided Program Management, Engineering, and Construction Management to the development of this Zero Liquid Discharge Clean Water Plant. In order to maintain it's QF status, it supplied process energy to the Distilled Water Plant described above as well as the new Zero Liquid Discharge, Clean Water Plant. The Zero Liquid Discharge Plant was required to eliminate the high TDS discharge from the Distilled Water Plant which could not be accepted or process by the local city treatment plant. Patch Services responsibilities included:

-Provide overall Programme, Project and Construction Management for this   new unite at the existing Cogeneration Facility;

-Specify and Procurement of the major engineered equipment required for the   Plant;

-Mechanical Engineering included providing Equipment List and Equipment   Datasheets, Piping and Valve Specification, Equipment Modeling, Equipment   General Arrangement, Piping Interconnection Design;

-Structural Engineering included equipment Electrical Electrical Connection   One Line Schematics, Instrumentation Specification, Steel and Concrete   Design  of Equipment Foundations, Steel Design of Equipment Platforms and   Supports, Steel Design of Piping Supports and Steel Fabricator Selection;

-Civil Design included Survey of Pertinent Existing Plant Equipment and   Geotechnical Report of Pertinent Plant area;

-Site and Area Grading and Drainage Plans required Storm Water and the   conveyance to containment areas adjacent to the Site;

-Controls support included Control System Hardware Design, Control System   Software Design, Instrument Loop Diagrams, and Connection Details;

-Electrical Engineering included Electrical Equipment One Line and Control   Schematic, Instrumentation Specifications, Electrical Wire and Conduit   Specification, Electrical Wire and Conduit Schedule, Short Circuit and Arc Flas   Calculations;

-Construction Management responsibilities included providing initial Startup   and Training and Providing Operations and Maintenance manuals.

US government building

Patch Services has the capacity and expertise to provide Programme Management and Technical Services to the United States Department of Energy as well as International Infrastructure Lending and Funding Agencies. Assignments in this area include Evaluations for the United States Department of Energy and the United States Trade and Development Agency. Typical involvement in support of DOE is the Evaluation of the Price and Schedule of Renewable Energy Projects under the auspices of DOE Loan Guarantee Program. Evaluation Reports we prepare address the Projects Management Execution Plan, Projects Estimates/Budgets and the debt-equity coverage ratios provided by the sale of energy from the Project and the overall feasibility of Construction Methods and Schedule.

Support provided to US Trade and Development Agency differs from the DOE Project Evaluations since these Projects have an International component to work. As a result, Project Evaluation and Reporting require a broader frame of reference needed to capture the Programme and Project Management being proposed for the Project in Developing Country, the certainty of the revenue stream and occasionally the political stability of the Project area. All projects evaluated for these agencies are confidential. Typical subjects reviewed and addressed are:

-Programme and Schedule Completeness;

-Project Definition and Detailed Budgets and Revenue Forecasts;

-Executed Agreements Containing Defined Financial Terms Producing Revenue   to the Project;

-Debt structure that is consistent with Revenue Production;

-The financial condition of the developer and the entity accepting the project's   output;

-Certainty of Equipment and Material supply;

-Validate pricing of the major project components;

-Proper provision for limiting environmental impacts;

-Proper consideration of worker safety requirements;

-Detailed consideration of any short or long term impacts to the local   community.

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