Supply the existing generator
A double-wall steel tank with 110% secondary containment provides 252 gallons of working capacity. Dedicated supply and return piping connects it to the existing generator.
Emergency generator · Diesel AST · Remote fillIndoor fuel storage.
Diesel AST for Emergency Power — New York
Indoor fuel storage.
Outdoor delivery access.
A 280-gallon double-wall diesel tank serving an existing emergency generator, with a remote fill point, contained exterior fill piping and high-level warning at the delivery location.
Suffolk County, New York
Construction complete · SCDHS final approval
280 galDiesel AST nominal capacity
Double wallUL 142 steel tank
Remote fillOutdoor delivery connection
ApprovedSCDHS final construction approval
01 / Existing facility integration
Connect the tank to the generator—and the delivery point.
The facility needed to replace its existing diked diesel aboveground storage tank serving an emergency generator. Its installation required a coordinated route between the indoor equipment and an accessible outdoor fill point.
ZE provided design and permitting for the replacement diesel AST. The fueling-system design drawings addressed the tank arrangement, generator supply and return piping, remote filling, venting and monitoring.
02 / The defining design workINDOOR STORAGE REMOTE FILL MONITORING & PROTECTION
Coordinate the indoor and outdoor parts of the fuel system.
The design connected a compact indoor tank installation with the equipment needed for outdoor fuel delivery, while retaining the existing emergency generator.
Contain the exterior fill route
The outdoor fill connection includes a five-gallon spill container. Steel primary fill piping runs within fiberglass secondary containment outside, transitioning to single-wall piping inside the building.
Warn at the delivery point
The design combines overfill prevention, tank-level and interstitial monitoring, and an exterior audible/visual high-level alarm positioned near the fill connection.
03 / Constructible connectionsResolve the details
Resolve the details
at the building wall.
The fueling-system drawings coordinated fill and vent routes with wall penetrations, pipe supports and the indoor tank location. Normal and emergency venting, an anti-siphon valve on the supply line, anchoring and grounding were included in the installation details.
These connections demonstrate how emergency-generator fuel storage requires the same attention to containment, delivery access and monitoring as other facility fueling systems.
Generator fuel connectionsDetail the supply
Detail the supply
and return piping.
The design connects the replacement diesel AST to the existing emergency generator through dedicated supply and return lines. Tank connections, valves and the piping route were addressed in ZE’s fueling-system design drawings.
Completed, inspected and approved.
Suffolk County Department of Health Services issued a Permit to Construct for the new indoor diesel tank and subsequently granted final construction approval after the project was completed and inspected. County-approved as-built plans document the completed arrangement.
ZE provided fueling-system design and permitting. The plans carry certification by a professional engineer licensed in New York. Installation and county inspection were performed by others.
Project details
- Location
- Suffolk County, New York
- Facility / industry
- Emergency generator fuel systems
- ZE role
- Fueling-system design and permitting only.
- Services represented
- Generator fuel storage design; indoor diesel AST; remote fill; monitoring; permitting
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Talk with ZE about tank layout, remote filling, containment and monitoring.