Compressed-Air Resources

OSHA 29 CFR 1910.169 CHECKED · JUL 29 2026

For covered air receivers, OSHA requires a readily visible pressure gauge, one or more spring-loaded safety valves with relieving capacity preventing pressure from exceeding MAWP by more than 10 percent, no valve between the receiver and its safety valve, a lowest-point drain, drainage frequent enough to prevent excessive liquid accumulation, and regular safety-valve testing.

Indiana 675 IAC 30 CHECKED · JUL 29 2026

Indiana does not regulate every pressure vessel. For an unfired pressure vessel installed after June 30, 1971, one exemption applies when each chamber is 15 cubic feet or less — about 112.2 gallons — the pressure-relieving devices are set at 300 psig or less, and the vessel is outside a place of public assembly. Separate thresholds apply in places of public assembly, to pre-July 1, 1971 vessels, and to chambers of 1.5 cubic feet or less.

IDHS Boilers and Pressure Vessels Section CHECKED · JUL 29 2026

IDHS stopped accepting the NBIC's streamlined routine-repair category for pressure-retaining items on January 1, 2024. Covered pressure-retaining work follows the applicable authorized-repair process rather than the discontinued routine-repair path.

Allen County Building Department CHECKED · JUL 29 2026

The Allen County Building Department publishes separate permit applications for electrical, heating/non-sanitary, and plumbing/non-sanitary work. The Building Department can be reached at 260-449-7131.

Allen County Contractor Licensing CHECKED · JUL 29 2026

Allen County states that contractors and subcontractors performing work in Allen County must be licensed.

DOE compressed-air sourcebook CHECKED · JUL 29 2026

The U.S. Department of Energy compressed-air sourcebook reports that leakage can consume 20–30 percent of air capacity and power in poorly maintained systems, while a well-maintained system should hold leakage below roughly 5–10 percent.

Compressed Air Challenge leak fact sheet CHECKED · JUL 29 2026

The Compressed Air Challenge's April 1998 leak fact sheet calculated annual costs of $523 for a 1/16-inch opening, $2,095 for a 1/8-inch opening, and $8,382 for a 1/4-inch opening using a $0.05/kWh electricity rate and an efficient compressor. The fact sheet does not disclose the exact annual hours, airflow, specific power, pressure, or shape factor behind the published numbers. Input-based examples, not Fort Wayne repair prices.

CAGI: Working With Compressed Air and Resource Library CHECKED · JUL 29 2026

CAGI states that, around typical industrial pressures, each additional 2 psig of excess operating pressure raises compressor power consumption by approximately 1 percent, that a well-designed system should have no more than a 10 percent pressure drop from compressor discharge to point of use, and defines pressure dew point as the temperature, at a stated pressure, at which water begins to condense from compressed air.

EIA May 2026 industrial electricity table CHECKED · JUL 29 2026

The U.S. Energy Information Administration's May 2026 monthly data lists Indiana's statewide industrial-sector average retail electricity price at 9.08 cents per kWh, or 1.82 times the CAC fact sheet's $0.05/kWh electricity-rate input.

I&M 2026 Prescriptive Incentives CHECKED · JUL 29 2026

For qualifying commercial and industrial customers in I&M's Indiana service territory, the 2026 Prescriptive Incentive Program lists compressed-air projects among eligible categories.

I&M 2026 Custom Incentives and Custom Program application CHECKED · JUL 29 2026

The 2026 I&M Custom Program covers qualifying compressed-air projects not eligible for prescriptive incentives. Custom projects require preapproval before equipment is purchased or installed; for projects subject to the standard Custom payback test, current terms may provide electric incentives of up to $0.07 per first-year kWh saved, cap incentives at 75 percent of project cost under the program's cost rules, require a simple payback greater than one year and no more than eight years, and set a December 15, 2026 completion deadline while program funding is available.

I&M GAST compressed-air Find & Fix case study CHECKED · JUL 29 2026

Indiana Michigan Power publishes a compressed-air case study for GAST Manufacturing: a Find & Fix study identified more than 190 leaks, more than 75 percent were reported as immediately repairable, and I&M reports estimated annual savings above 779,000 kWh and $93,500, a four-month project payback, and a $22,500 rebate. One documented project, not a promise for another facility.

OMB Bulletin 23-01 CHECKED · JUL 29 2026

The current OMB metropolitan-area delineation (OMB Bulletin 23-01) lists Allen, Wells, and Whitley counties in the Fort Wayne Metropolitan Statistical Area. A statistical boundary, not proof of provider coverage.

Atlas Copco troubleshooting guidance CHECKED · JUL 29 2026

Equipment-level inspection categories for starting, pressure, temperature, dryer alarms, safety-valve conditions, and controls, used only as equipment-level inspection-category context.

Atlas Copco compressor-parts guidance CHECKED · JUL 29 2026

Oil-separator, scavenge-system, lubricant, filtration, and oil-carryover inspection context.

Compressed Air Leak Cost Calculator: 2026 State Data

A 52-record dataset joining DOE equivalent-orifice flow, NREL control adjustment factors, and preliminary May 2026 EIA industrial electricity rates for all 50 states and D.C. Includes interactive calculator, 12 tables, provenance audit, and free dataset download.

Air Compressor CFM Calculator and Tool Air Data (2026)

A 72-record primary-source dataset of 18 pneumatic tools found at-load airflow was a median 4.29× the listed average — with paired tables, a live calculator, blasting data, altitude table and dataset download.