DRAFT Statement of Objectives.pdf

DRAFT

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Statement of Objectives

AEDC- New Arc Heated Test Facility Exhaust System

1. Program Objectives AEDC conducts high temperature materials testing in arc heaters that share a common infrastructure. This project is to design a system that will pull exhaust vacuum to those heaters. This effort will design, build, and install the exhaust equipment necessary to achieve the needed AEDC capability.

The minimum success criteria are to provide a solution that will meet the performance envelope of the sub atmospheric heaters, as well as the runs per year requirements to meet the planned growth in testing capacity.

2. Contract Objectives

At a minimum, the contract shall define the following:

2.1. Work to be Performed

Specific, performance based, quantitative terms of the work to-be-done. In the form of a

Statement of Work (SOW) to satisfy the requirement in accordance with (IAW) SOO

Attachment 1- Technical Requirements Document – Arc Heated Test Facility Exhaust

System.

2.2. Milestones

Planned, significant events scheduled to occur at specific times in performance of the SOW, throughout a time-period not exceeding 30-months, to include all deliverables.

2.3. Data Deliverables

Tangible or intangible data items produced as a result of the work performed, and their anticipated delivery date, method of delivery, format, and quantity.

2.4. Data Rights

The Government shall receive Unlimited Data Rights to all technical data and reports (i.e., data deliverables) produced in performance of the SOW.

3. Quality Control Plan (QCP)

Development and maintenance of a quality control plan to ensure the requirement is met in accordance with the contract and design documents. Development and implementation of procedures to meet milestones. Development and implementation of procedures to ensure appropriate corrective action is taken when milestones are not met.

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4. Program Management Objective Allow offerors the maximum flexibility to innovatively manage schedule, performance, risks, warranties, subcontracts, and data so that it satisfies the user’s performance requirements (see

SOO Attachment 1). Clear government visibility into the schedule, performance, and risks shall be maintained.

5. Facility Background A vacuum system is required for sub atmospheric heater operations to provide the required maximum exhaust capability for proper nozzle flow stream in the test cell. Process air is evacuated from the test chamber. The process air then traverses the air cooler for removal of residual thermal energy. From the cooler, the air is ducted to the exhaust system which provides the necessary suction. NOx mitigation to reduce total effluent and/or stack NOx concentration may be required between the cooler and the stack exit depending on the state emissions license. Use of water spray banks and introduction of mixing air are two strategies successfully used to reduce effluent concentrations in the legacy AEDC vacuum plants.

Figure 1 Shows the interfacing systems. Section 6 provides the Critical Performance

Parameters of the subject system. Section 7 details the requirements on the interfacing systems that are under concurrent design by others.

Figure 1: Interface Drawing

6. Performance Parameters The following is a list of the critical performance parameters (PPs) required to meet the objective of the AEDC-New Arc Heater Facility Exhaust System.

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IRA# 6296 Distro Statement A: Approved for public release: distribution.

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6.1. Exhaust System Requirements

6.1.1. Provide an independent exhaust plant which provides vacuum at a flow rate of 1-

30 lbm/s at 0.5 measured after the cooler to allow for complete expansion of the nozzle free jet.

6.1.2. The system shall be able to turn over from a previous test configuration in 8 work hours to meet the test pace.

6.1.3. The maximum temperature of process air entering the exhaust system is 120F.

6.1.4. The flow out of the exhaust system shall not exceed OSHA hazardous air emissions standards for personnel safety at any distance from the out-flow from ground level to 100 feet in elevation.

6.1.5. The exhaust system shall create vacuum using a steam ejector with an on-demand boiler system,

6.1.6. The exhaust system shall not be dependent upon steam accumulators during normal operation. Accumulators are acceptable if they are required to keep the system safe during a failure condition.

6.1.7. The boiler system shall be capable of moving from standby to full capacity in 45 minutes.

6.1.8. The boiler system shall be capable of long periods of standby.

6.1.9. The boiler and ejector systems shall be designed such that loss of a single boiler unit or ejector train shall result in no more than a 25% loss in capacity.

6.1.10. The boiler system shall include a feed water conditioning system which meets the

American Society of Mechanical Engineers (ASME) and American Boiler

Manufacturer Association (ABMA) recommendations.

7. INTERFACING SYSTEMS

7.1. Natural Gas System

7.1.1. The natural gas system is capable of providing 100 Mcf/day with 24 hours/day availability.

7.2. Cooling Water System Requirements

7.2.1. Cooling water systems shall be able to turn over from a previous test configuration in 8 hours to meet the test pace.

7.2.2. Strained raw water flow of 20,000 gpm will be available during operation.

7.2.3. Supplied raw water will be strained by 1/8” mesh filters. If additional filtering is required for boiler and/or heat exchanger operation it is the responsibility of the contractor to supply additional filtering.