AH1 Gas Fired Air Heater

Form / Attachment / Pricing Sheet

This document, "Spec Sheet Section (23 80 20.20 10)", appears to be a detailed specification for Gas-Fired Air Heaters. It outlines the technical requirements, materials, construction, performance, and testing procedures for the air heater system.

• References: Lists applicable industry standards and publications (ASME, API, NEMA, NFPA, etc.) that must be adhered to.
• Submittals: Details the required documentation and drawings that must be submitted by the contractor, including preconstruction submittals, shop drawings, product data, design data, test reports, certificates, manufacturer's instructions, and closeout submittals.
• Products: Specifies materials and equipment, including general requirements, nameplates, equipment guards, electrical work, and detailed requirements for air heaters, combustion air blowers, dampers, burners, piping, and controls.
• Performance: Outlines the required performance parameters for the air heater, including process air inlet pressure and temperature, flow rates, discharge temperature, and operational periods.
• Construction: Details requirements for outdoor installation, heater casing and insulation, supports, piping, terminals, manifolds, ladder access, heat exchangers, economizers, stacks, access doors, and fuel burning equipment.
• Controls: Specifies the electronic instrumentation and control system, including PLC functions, control enclosures, interface panels, alarm types, permissives, and burner management systems.
• Testing: Outlines factory performance test procedures, weld examination, fiber lining inspection, pressure testing, and system testing requirements.

This document is critical for bidders as it defines the exact technical specifications and requirements for the air heater system. Vendors must ensure their proposed equipment and services fully comply with all aspects of this specification to be considered compliant. It details the scope of work, performance expectations, materials to be used, safety standards, and quality control measures. Understanding these requirements is essential for accurate proposal development and successful project execution.

Statement of Work (SOW) / Performance Work Statement (PWS)

To procure a gas-fired air heater to meet Air Force Research Laboratory (AFRL) research needs for high-pressure, high-temperature air delivery simulation.

• Deliver a complete heater-burner package, fully assembled, ready for ground mounting and connection to various systems (process air intake/discharge, compressed air, electrical, natural gas, vent, control lines).

• The heater must be capable of producing 2.5-34 lbm/sec of air at 300-750 PSIG, heated from 100°F up to 250-1250°F.

• Provide commissioning and training after government installation.

• Provide Operation & Maintenance (O&M) manuals.

• Include a 1-year warranty after acceptance.

• Heater operation must be stable across specified ranges of temperature, pressure, and flow.

• Capable of continuously producing heated compressed air at specified conditions.

• Capable of daily operation and operation after up to 30 days of inactivity without damage.

• Must achieve performance at extreme outdoor temperatures.

• Not explicitly stated, but the heater must be suitable for outdoor installation and designed for a 25-year service life.

• Heater must comply with NFPA 85.

• Designed for working pressure of 500 psig and maximum operating pressure of 750 psig.

• Maximum operating period of up to 16 hours continuously.

• Must have adequate weather and corrosion protection for outdoor installation, including exposure to salt spray from nearby roadways.

• Refer to specification section 23 80 20.10 10 GAS-FIRED AIR HEATERS for full requirements and design assumptions.