Light Pole Tenon and Slip-Fitter Interfaces: RFQ Inputs Before Fabrication

Use the current pole schedule and the selected luminaire’s mounting information as the starting point. A supplier can price a proposed pole-top configuration against confirmed project inputs, but a photo cannot establish the socket, tenon geometry, fastener arrangement, luminaire mass, projected area, wiring, photometric performance or approval requirements. Keep confirmed choices separate from equipment that is still being selected.

For a wider project context, the buyer can also review the site’s engineering guidance and match the requested pole family to the current roadway light-pole range. Those links do not replace the issued project documents; they help the RFQ describe the correct product and review stage.

The drawing set should show the pole point, top mounting concept, intended luminaire direction, any adapter or bracket, cable path, connector/access requirement and the relevant revision. If the luminaire has not been selected, show a controlled placeholder rather than drawing a final-looking interface from a catalogue image. This lets procurement obtain a useful budgetary response without causing the manufacturer to fabricate an unapproved geometry.

A clear drawing lets different teams use the same reference. Procurement can request pricing, the pole supplier can identify the supplied interface, and the contractor can see which field activities remain outside the manufacturer’s scope. It also gives the reviewer an efficient way to compare revisions before a release decision.

The following table is intentionally practical. It does not prescribe a universal design. It shows the information that prevents a quote from silently substituting an assumption for a controlled project input.

Scenario 1: a contractor has selected an LED roadway luminaire and its manufacturer data identifies a compatible slip-fitter range. The RFQ can include the luminaire data sheet, pole height, arm or top-mount concept, orientation on the plan, expected quantity and access requirements. The supplier then assesses a proposed pole-top interface against those inputs. The project team still confirms the final equipment, electrical connection, structural loading and authority approvals. Each party sees what has been supplied and what has not.

In this scenario, a buyer gets a clear commercial response because the requested hardware and the exclusions are both visible. The purchase order can refer to the approved drawing revision instead of a loosely described “standard” arrangement.

Scenario 2: the owner wants a new roadway pole package quoted before the luminaire tender is awarded. The RFQ should say that the luminaire selection is open, attach a design envelope only if one is officially issued, and request a controlled top arrangement or a documented hold point. Do not name a tenon from a street photo or ask for a universal size. When the final luminaire is chosen, the responsible project team can compare its interface and loading data with the approved pole drawing before release.

A controlled open item is better than false certainty. It keeps the project moving while protecting the buyer from receiving hardware or a pole top that cannot be used with the final approved project package.

The physical interface is a small part of a larger equipment decision. The pole top must accommodate the mounting concept and the intended direction, while cable routing and access must remain practical for the selected fixture. A slip-fitter range or mounting description is useful input, but it is not a substitute for the current luminaire data and approved project review. The supplier should not silently convert a visual similarity into a final top configuration.

The goal is not to overload an RFQ with calculations owned by another discipline. It is to preserve the information path from the project documents to the supplied pole interface. If the issued package cannot provide a value yet, name the missing document, the responsible reviewer and the point at which the item must be confirmed.

When bids are compared, request the same status statement from every supplier: selected equipment, controlled placeholder or excluded luminaire interface. That prevents one bidder from assuming a basic top while another carries an adapter or access provision. The purchase order should identify the associated drawing revision and any conditions that must be cleared before release. This is especially important when pole manufacture begins before the lighting package is finalized.

A transparent response will identify what is confirmed, what is conditional and what has been excluded. That gives the buyer an actionable clarification list and reduces the risk that the lowest apparent price is based on an incomplete interface.

The cleanest workflow is: issue the layout and pole schedule; identify selected versus pending luminaires; define mounting and orientation on a reviewable drawing; clarify cable, connector and access needs; agree supply boundaries; then release the top interface after the relevant review. This sequence is faster than changing a completed shaft because a late luminaire requires a different adapter, direction or cable route. It also makes drawing comments traceable instead of turning them into verbal shop-floor instructions.

State whether the pole supplier is providing only the pole top, a tenon, an adapter, a bracket, a cable route provision or another defined package. State separately who supplies the luminaire, performs lighting design, confirms electrical protection and accepts installation. An RFQ that says only ‘LED light pole’ hides the decision that matters: the mounting and loading interface between equipment supplied by different parties.

This same discipline is useful across a B2B light-pole package. The Knowledge Center contains related purchasing and engineering topics, while the RFQ should remain specific about the current project rather than copying a generic checklist.

Before fabrication, compare the layout, pole schedule, luminaire data or placeholder, pole-top drawing, direction of aim, adapter information, cable/access notes, finish and approvals. If the luminaire changes, check the interface again rather than assuming a visually similar fixture is compatible. Put unresolved items in the drawing register and leave them open until the responsible party resolves them. That is how a buyer keeps a late equipment decision from becoming an avoidable production change.

When the inputs are ready, send the document set through the RFQ form with quantities, destination, preferred delivery timing and the latest drawing revision. That gives the commercial and engineering review a single, traceable starting point.

These sources provide public roadway-lighting context. They do not replace the governing project specification, authority requirements or responsible engineering review.

• FHWA Freeway Management and Operations Handbook: Roadway Lighting
• U.S. Department of Energy: Solid-State Lighting