Public Display Sourcing

A city show is among the largest single orders in this trade, and it is the one where buying has least to do with browsing a catalogue. A municipality writes a tender, a licensed display company wins it, and where the award window is short, the shells that go up were specified and stored before anyone knew who would win.

That inversion is the subject of this page. A municipal fireworks tender runs on two clocks at once — procurement and supply — and they are rarely the same length. Where they overlap decides whether you can bid the show in the brief or only the show you already hold.

A fireworks barge mid-river at dusk, one shell lifting from the racks as a gold burst opens above a stone bridge and brick waterfront
A civic show is dated years ahead; the order that supplies it usually goes in a season before the tender that pays for it.

The short answer

  • The buyer is rarely the user. A city contracts; a licensed operator receives, stores and fires. Who may lawfully sign for the container decides whether the sale can happen at all.
  • The bid document is the specification. Calibre ceiling, shot count, duration and effect mix become contractual the moment you win — and they were written before you ordered.
  • Award-to-show can be shorter than order-to-magazine, which runs about ten to sixteen weeks as a planning range. Where it is, the show is supplied from standing stock rather than from a fresh order — so do that subtraction before you bid.
  • The label is a deliverable. Classification, net explosive content and category wording are what the fire authority and the magazine actually read on site.

A factory can make the documents and the goods agree. It cannot hold your licence, permit or insurance.

Who Actually Buys a City Show — and Who May Lawfully Take Delivery

Start with the consignee, because in this trade the consignee is a legal question before it is a logistics one. A municipal display normally involves three separate parties, and first-time bids often collapse the first two into one:

Three parties, three different documents

  1. City Owns the event, the site and the budget. Writes the specification. Usually holds no explosives licence at all, and in the United States needs no federal one to take delivery. State and local requirements are separate and still apply.
  2. Display company Wins the contract, receives and stores the product, fires the show. Holds the explosives licence or permit, the operator qualification, the magazine and the insurance.
  3. Supplier Manufactures or imports. Produces classification, net explosive figures, packing data and label artwork. Holds none of the permissions above and cannot obtain them for anyone else.

Settle in writing which entity is importer of record, which signs at the magazine and which fires the show — on a municipal tender they are often not the same, and the tender documents are usually silent on all three.

In the United States the line is drawn in regulation. Display fireworks are defined at 27 CFR 555.11: aerial shells containing more than 40 grams of pyrotechnic composition excluding the lift charge, salutes containing more than 2 grains (130 mg) of explosive material, and other display pieces beyond the limits set for consumer fireworks. The Department of Transportation classifies them as UN0333, UN0334 or UN0335. Anyone engaged in the business of importing, manufacturing, dealing in, receiving or transporting them must first hold a federal explosives licence or permit from ATF for that specific activity. A user permit is applied for on ATF Form 5400.16. There is also a narrower instrument, the Permit, User Limited on Form 5400.21, which is written for the organisation that fires once a year rather than the one that trades: it is valid for a single purchase transaction, so a second purchase means a second application.

Then comes the asymmetry that surprises people, and the part most often repeated wrongly. Federal explosives regulations generally do not apply to explosive materials delivered to an agency of the United States, or to a State or its political subdivision (§ 555.141). A city can therefore receive display fireworks without holding a federal licence.

Every contractor then asks whether that status covers them too, and the answer is a conditional yes rather than a flat no. ATF's published position is that the exemption reaches contractors and subcontractors where the explosives operations are performed exclusively under a current, valid contract with the exempt government body. Two boundaries in the text itself decide how far that actually gets you. The paragraph a city relies on, § 555.141(a)(3), covers transportation, shipment, receipt and importation — storage is not in it; the paragraph that does reach storage, (a)(5), runs to federal agencies and the military rather than to a municipality. And ATF treats operations conducted before the contract is issued, including during the bidding process itself, as outside the exemption entirely, which matters if your bid involves holding or demonstrating product.

So “is the city exempt” is the wrong question. The two useful ones are whether every operation you are about to perform sits inside the four corners of a contract that already exists, and whose magazine the product sleeps in between delivery and show night. The second usually settles it, because a season's stock is never inside a single event contract. Read § 555.141 and confirm your own position with ATF before you rely on it.

The European mechanism differs in form and matches in consequence. Directive 2013/29/EU defines a person with specialist knowledge as someone authorised by a Member State to handle or use category F4 fireworks, T2 theatrical articles or P2 articles on its territory, and each Member State runs its own identification and authorisation procedure, which it must report to the Commission. Article 7(3) then closes the commercial loop: manufacturers, importers and distributors shall not make available on the market category F4 fireworks except to persons with specialist knowledge. Professional product in Europe is not merely harder to buy. Selling it to an unauthorised buyer is the seller's breach as well as the buyer's.

Elsewhere the pattern repeats with local vocabulary: a national or provincial explosives authority licences the operator, a fire or civil-defence authority permits the event, and the two approvals stay separate. Chile illustrates a market that is professional-display-led rather than retail-led, where the operator qualification is the gate; our Chile DGMN and polvorista guide sets out how the import side works, and supplying Chile's display market follows a municipal award through the tender, the purchase authorisation and the show permit. For the event-permission half of the same split, the Saudi event pyrotechnics permit guide follows a permission to import and a permission to fire through two different offices.

The Bid Document Writes Your Purchase Order

Most buying guides assume you choose product and then find a use for it. Public work runs the other way: you commit to a description of a show in a document, competitors are compared on that description, and if you win it becomes a contractual obligation. Every line of it is a purchase instruction issued before you have a purchase order.

So read the tender in the order that constrains you, not in the order it is printed. The site comes first, because it converts directly into a calibre ceiling. Where NFPA 1123 applies, the minimum radius of the display site for aerial shells is 70 ft per inch of internal mortar diameter, and the code's table stops at 12 inches: anything larger requires the approval of the authority having jurisdiction. A 12-inch finale therefore asks for roughly 840 ft of clear radius before anyone discusses effects. The full clearance ladder, including the metric equivalents and the EU consumer benchmarks, is in our guide to sourcing by event type; this page assumes you have already used it to fix a ceiling.

Then the rest of the brief resolves in a fixed order, and each step closes options for the next:

  1. Usable radius → the largest calibre you may fire, which caps the visual scale of everything you promise.
  2. Duration and shot count → the quantity of product, and therefore whether this is a part-container or a full container purchase.
  3. Effect mix and any noise limits → which articles, and how many suppliers can actually provide them.
  4. Firing method → electric or manual, pre-wired racks or site-assembled, which changes crew hours as much as it changes product.
  5. Documentation and insurance clauses → what has to exist on paper before the goods can be accepted or the show approved.

The step people skip is the third. A brief that specifies a signature effect (a particular colour, a specific pattern shell, a timed sequence) can quietly reduce your supply base to one factory, which converts a commercial preference into a single point of failure on a date that cannot move. When a tender asks for something unusual, price it, then ask what the fallback article is and whether the evaluators would accept it. Writing that fallback into your own bid is cheaper than discovering it in week ten.

Bidding in the next quarter? Send the site radius, the show duration and the effect brief before you submit. We can return classification data, net explosive content and carton figures for the articles you intend to name — so the bid quotes product that exists. Request tender specification data →

Two Clocks: Award Date and Order-to-Magazine

The structural problem, stated plainly. A procurement calendar sets the tender clock: budget approval, publication, question period, bid deadline, evaluation, award, sometimes a standstill period before signature. Manufacture, dangerous-goods shipping and licensed storage set the supply clock. Neither knows the other exists, and the second is often longer than the gap the first leaves you.

Tender clock

Procurement drives it

Publication, questions, bid deadline, evaluation, award, signature. Then the show date, which was fixed long before any of it.

  • Award to show8 weeks–4 months
  • FixedShow date
  • ControlAlmost none
Slips late, not early
Supply clock

Physics and paperwork drive it

Specification freeze, production, Class 1 booking, ocean leg, clearance, road move into an approved magazine.

  • Range10–16 weeks
  • TriggerFrozen spec
  • ControlWhen it starts
Predictable if started early

The only clock you can move is the second one, and the only way to move it is to start it before the award.

Award-to-show windows vary far more than the supply side does. We have quoted against tenders that left four months and against tenders that left eight, and only the tender's own procurement timetable tells you which one you are looking at. The supply clock is steadier, though it is not a single queue. It has five legs, and two of them run at the same time:

Planning ranges for the legs between a frozen fireworks specification and product in a licensed magazine
Leg Planning range What actually sets it
Specification and artwork freeze 1–3 weeks Your own decisions plus, for private-label product, approval rounds on printed cartons
Production 4–8 weeks Order size, calibre mix and where you sit in the season's queue. The same order is not the same lead time in March and in September
Class 1 booking (parallel) Book 4–6 weeks before sailing; 8–10 in peak dangerous-goods windows Carrier dangerous-goods approval for your UN number, division, compatibility group and net explosive quantity on that service. If it fails, it adds a sailing
Ocean leg 2–3 weeks to the US West Coast; 4–6 weeks to the US East Coast and North Europe Direct versus transshipment matters: every hub is another terminal that must accept an explosives box. Suez-linked services running via the Cape add roughly two to three weeks. The variance is broken down in our shipping time guide
Clearance and inland move 1–3 weeks Import authorisation in hand, inspection where the destination requires it, and a permitted road move into an approved store — ordinary warehousing cannot lawfully receive this cargo

Chain the sequential legs (freeze, production, sailing, clearance, inland move) and the working figure is ten to sixteen weeks from frozen specification to product in your magazine on a European or North American lane. Do not add the booking row into that total; book it during production. Read the band as a middle rather than a guarantee: a West Coast delivery on a standard-season order sits at its short end, while a Cape-routed North European sailing can leave it. Two situations sit outside it altogether. A first shipment into a market where the import authorisation is still being obtained is better planned at three to five months, as our import walkthrough sets out, and a large multi-calibre display container with custom pattern shells runs to the longer factory lead time set out in our professional aerial shells guide. These are planning ranges from our own lanes rather than commitments; the booking side is walked through in the dangerous goods process guide.

One worked example, three ways to arrive

Ordered before the RFP

In the magazine about ten weeks before the show — in time to bid when the tender appears.

The tender itself

In this example the award lands eight weeks before the show; on other tenders it lands four months out.

Ordered on the award

Reaches the magazine six weeks after the audience has gone home — no leg compresses far enough to close that.

If you do not already hold the stock, bid the show you can supply rather than the one the brief describes.

The Standing Specification: How Annual Shows Are Really Supplied

Once you accept that the clocks do not align, the sourcing model changes shape. You stop buying for a show and start maintaining a capability to bid. In practice that means a standing core list: a fixed set of calibres, effects and cake formats with known classification and packing data, carried across seasons instead of reinvented after each award.

The core list should be built from what recurs rather than from what impresses. Most municipal programmes are, structurally, the same show with a different finale: an opening sequence, two or three body segments at mid calibre, a small number of large single shells for accents, and a finale that consumes a disproportionate share of the product. Freeze the first three of those across years and let the finale carry the novelty. That keeps your quotations fast, your inspection criteria stable and your loading plan reusable, which is the same logic behind treating the container as a planning unit in our MOQ and mixed container guide.

Two consequences change how you talk to a factory. A standing list turns a series of one-off enquiries into an annual framework with call-offs, which is a materially different commercial conversation: better pricing, priority in the production queue, and a supplier who already knows your carton and label requirements. Our supplier sourcing guide covers how to qualify a manufacturer for that kind of relationship. Sports venues have to run this model in a harder form, because their consumption depends on results rather than a calendar — how that is sized is set out in our stadium and sporting-event sourcing guide.

Consistency also becomes a specification in its own right. When a city compares this year's show with last year's, batch-to-batch variation in break diameter, colour or timing reads to the client as declining quality, even where every article is within tolerance. Ask for the same batch where volume allows it, record lot numbers against your own show files, and on a large enough programme verify before shipment rather than on site. Our pre-shipment inspection guide sets out what proof-firing can and cannot demonstrate.

Inventory Is a Licence Question Before It Is a Warehouse Question

The standing-stock model has one hard constraint, and money is not it. Lawful storage caps a purchase more often than container economics or budget do.

In the United States display fireworks are explosive materials, so they belong in an approved magazine under the storage requirements of 27 CFR Part 555, and ATF's tables of distances govern the quantity permitted at a single location: distances to inhabited buildings, public roads and railways, not floor area available. Two magazines on one site are not automatically twice the capacity, because separation between them counts too. In the EU, category F4 stock sits under national explosives storage law rather than under the pyrotechnics directive, and the authority that licences a store is not always the one that authorises the person with specialist knowledge. Establish which is which early; they keep separate queues. In hot climates the temperature envelope matters as much as the security envelope, as our warehouse temperature guide sets out.

The buying consequence is concrete: split the container against magazine capacity before you split it against price. A full mixed container that cannot be lawfully received in one delivery is not a saving, it is a scheduling problem with a demurrage clock attached. Where capacity is genuinely short, two arrangements work: staged deliveries against a single order, or storage through a licensed third party. Both have to be agreed while the order is being placed, not when the vessel arrives.

The Document Pack a Tender Actually Consumes

Public procurement runs on documents, so be precise about which ones a factory can produce and which ones it categorically cannot. Getting that boundary wrong wastes the weeks you least have to spare.

What a manufacturer or exporter can put in your hands: per-article classification with UN number, division and compatibility group; net explosive content per unit and per carton; carton dimensions, weights and cube for the loading plan; packing lists and the dangerous-goods declaration for the shipment; label artwork exactly as it will arrive; batch and lot identification; and for the European market the CE marking with the notified body's identification number, plus the registration number assigned under Article 9 of Directive 2013/29/EU for traceability. Conformity assessment runs through the procedures in Article 17: EU-type examination by a notified body followed by one of the production-control routes, unit verification, or full quality assurance, the last available only for category F4. A notified body is involved in every route, so “professional product” never means “outside the CE system”.

What no export document can substitute for: your operator or pyrotechnician licence, your federal or national explosives licence or permit, the event permit from the authority having jurisdiction, your public liability insurance, and any bid or performance bond the tender requires. Those attach to the bidder. A supplier who offers to arrange them is telling you something useful about the supplier.

Two of those figures travel under confusingly similar labels, so name them precisely. The net explosive content printed on the article under the labelling rules is a per-article figure written for the user and the authority. The net explosive quantity your forwarder books against is a consignment figure written for the carrier and the terminal. Same chemistry, different decisions, different readers. A tender that asks for “NEC” without saying which one it means gets whichever the supplier happens to send, so ask for both, labelled as such, per article and per carton.

In a tender, the label is a deliverable. Article 10 requires the official language(s) of the Member State where the article is made available, and on the article: manufacturer, name and type, registration number, product, batch or serial number, category, instructions for use, net explosive content, and for F3 and F4 the year of production. F4 must also carry ‘for use only by persons with specialist knowledge’ and the minimum safety distance(s). Language and category wording fail most often on arrival — and they are what the people who can stop the show actually read.

The same principle applies outside Europe with different field lists: the magazine keeper, the fire officer and the customs inspector read the carton and the article, not your contract. The classification side is covered in our guide to UN numbers and shipping classifications. For branded product, the artwork approval loop in the private-label and OEM guide belongs in the specification-freeze week, not in the production window.

If the Show Is on Water, the Code Moved in 2026

Municipal displays gravitate to water. A river or harbour gives clear radius that a park cannot, and barge-fired shows are common precisely because the site problem is easier to solve on water than on land. That makes one recent change worth flagging for anyone whose bid documents were drafted from an older reference.

The current edition of NFPA 1123, Code for Fireworks Display, is the 2026 edition, and among the changes it introduces are new requirements for displays fired from barges and floating platforms, expanded coverage of solid fuel fireball effects, new labelling requirements for professional-use-only products, and a definition of pyrotechnic professional. A Tentative Interim Amendment issued on 15 April 2026, effective 5 May 2026, adds a further operational rule: operators and assistants must not prepare fireworks by attaching electric matches within 50 ft (15.2 m) of any location where bulk fireworks, assemblages or boxes of display fireworks have been temporarily placed during set-up, unless everything within that distance has already been loaded into mortars.

Note what that does to a bid rather than to a datasheet. A 50-foot separation for electric-match work reshapes the set-up footprint and the crew hours you priced, and on a barge the deck is exactly where separation is hardest to find. It is also a place where a product decision and a labour decision turn out to be the same decision. Factory-fused assemblies and pre-loaded racks move some of the set-up off the site at a different unit price; electric matches are a separate matter, because display articles are not normally shipped with igniters already fitted, so attaching them stays site work that the 50-foot rule governs. Ask a supplier what may lawfully arrive pre-fitted for your destination before you price crew hours around it.

One caveat carries all of this: NFPA applies where it has been adopted, and the edition that binds you is the one your authority having jurisdiction has adopted, which may not be the newest. Confirm the adopted edition locally before any figure from it enters a bid.

What Moves the Price of a Tender Order — and What the City Never Sees

Price conversations on municipal work tend to fixate on the unit cost of shells, which is rarely where the money moves. Four things do.

Calibre mix. Large single shells cost disproportionately more per effect than mid-calibre product and consume more of the site's clearance. A show can often be made to read larger by spending on effect quality and rhythm at 4 to 6 inches than by adding a handful of 10-inch shells that force the whole site plan outward.

Customisation. Specific colours, timed patterns or branded cartons add approval rounds before production starts, which spends the schedule rather than only the budget. Container economics. A full container bought against a standing list prices differently from a part-load bought for one show, and for a repeat bidder that is one of the larger structural savings on the table.

Working capital is the fourth, and it is the cost the client never sees. Deposits fall due when production starts; municipal payment often arrives after the show, sometimes well after. That gap limits how many tenders a company can carry at once far more directly than unit price does, and a programme financed on the assumption that the city pays before the factory does will fail on a perfectly ordinary payment cycle. Structure the deposits and balances deliberately — the trade-offs between telegraphic transfer, letters of credit and staged payments are in our payment terms guide — and price the gap into the bid rather than absorbing it as a surprise.

Five Ways a Municipal Order Goes Wrong

These are the failures we see repeat, in rough order of how expensive they are to unwind:

  1. Asking the factory after the award. The specification became contractual at submission; the supply base was not consulted before then. Ask for classification and availability data during the bid period, when it is still free to change your mind.
  2. Assuming someone else's licence covers you. A city's federal exemption in the United States can reach a contractor working exclusively under a current government contract, but it never reaches storage and it stops at the edge of that contract — so a season's magazine is always your own problem. In Europe, an authorised person with specialist knowledge is authorised on that Member State's territory, not across the EU by default.
  3. Promising a signature effect only one factory makes. Single-source articles on an immovable date are a risk position, not a differentiator. Name a fallback in the bid.
  4. Labels and documents in the wrong language or category wording. Caught at the worst possible moment, by the authority that can refuse the show, and entirely preventable at the artwork stage.
  5. Filling a shot count with consumer-grade product. The class line decides who may lawfully fire it, not how it looks in a video. Our comparison of consumer versus display fireworks sets out where that line sits and why crossing it invalidates the permit rather than merely disappointing the audience.

The Pre-Bid Sequence

These questions are not a matrix to weight. They run in sequence, and the first two can close the file before the interesting ones are reached, which is the point of asking them in this order.

Six gates, before the bid goes in

  1. Who will lawfully receive, store and fire this product?

    If named Put all three in the bid file (importer of record, consignee at the magazine, operator) with the licence or authorisation each one holds.

    If unclear Settle it before quoting. This is the one gate where the answer determines whether the transaction is lawful at all, not merely whether it is profitable.

  2. What calibre ceiling does the usable site radius allow?

    If measured Convert the clear radius with the rule your authority applies and write the shot list to that ceiling.

    If above 12 inches Treat AHJ approval as a precondition, not a formality. A calibre you cannot get approved is not a cheaper bid, it is a void one.

  3. How many weeks from expected award to show night?

    If longer than your order-to-magazine figure, a fresh order is viable. Start the specification freeze on award day, not after signature.

    If shorter Only existing stock can deliver this show. Bid what you hold, or do not bid the calibre you cannot get.

  4. Does the magazine have lawful capacity for the whole delivery?

    If yes Confirm it against the distance rules that apply to you rather than against floor space, and keep the calculation in the bid file.

    If short Agree staged delivery or licensed third-party storage in the order. Agreed after the vessel arrives, it is a demurrage problem instead of a plan.

  5. Is the document and label pack specified in writing?

    Classification, net explosive figures, packing data, label language and category wording: agreed at artwork stage, verified before shipment.

  6. Can you finance deposits months before the city pays?

    Price the gap into the bid. Cash timing, not unit cost, is what limits how many public shows one company can carry in a season.

Now price the bid

Official Sources & Where to Verify

Everything above that is a rule can be read at source. Everything that is a pattern (award timing, production queues, sailings, acceptance) changes within a season and can only be confirmed by the party that owns it:

  • Who may receive display fireworks in the United States — ATF on fireworks, including the definition at 27 CFR 555.11 and the licence or permit requirement for importing, manufacturing, dealing in, receiving or transporting display fireworks: atf.gov, fireworks
  • The regulations themselves — 27 CFR Part 555, for the definitions, the application forms (including Form 5400.21, the user limited permit), the storage requirements and the tables of distances, plus the exemption at § 555.141 covering delivery to a State or its political subdivision: regulations.atf.gov
  • How far that exemption reaches a contractor — ATF states the “exclusively under a current and valid contract” position, and the exclusion of pre-contract and bidding-stage work, in its Explosives Industry Newsletters of December 2009 (DOD Exemption Application to Contractors) and December 2010 (Exemptions for Government Agencies), indexed at atf.gov, newsletter index. If your programme depends on it, confirm your specific arrangement with ATF rather than with a supplier.
  • The award-to-show window on this tender — the procurement timetable published in the tender itself, which is the only authoritative statement of it. Award dates slip; show dates do not.
  • The EU framework — Directive 2013/29/EU: Article 3(6) for the definition of a person with specialist knowledge, Article 6 for categories, Article 7(3) for the F4 restriction, Article 9 for the registration number, Article 10 for labelling, Article 17 for conformity assessment: eur-lex.europa.eu, Directive 2013/29/EU
  • Who is authorised in a given Member State — the national authority named in that country's implementing law. Authorisation is national, and the Commission is notified of the procedures rather than issuing them.
  • Display site and operating requirements where NFPA is adopted — NFPA 1123, Code for Fireworks Display, 2026 edition, together with any Tentative Interim Amendments, read against the edition your AHJ has adopted: nfpa.org, codes and standards
  • The permit for this event, on this site, this year — your authority having jurisdiction. Nothing published here substitutes for that conversation.
  • Class 1 acceptance, sailings and free time — your forwarder and the carrier's dangerous-goods desk, the only parties who can say what is bookable in a given week.

Regulatory positions summarised here were read against the sources above in August 2026. Code section and table numbers move between editions, and adoption differs by jurisdiction, so treat every figure as something to confirm locally before it enters a bid. Lead times and transit ranges are planning figures from our own lanes and published carrier schedules, not commitments. Nothing here is legal, customs or procurement advice — and we do not hold permits, licences or insurance on your behalf.

Frequently Asked Questions

?
Buyer asks

Can a Chinese factory sell display fireworks directly to a city for its own show?

LY
Liuyang Fireworks

Only if the receiving party can lawfully take them, and in most markets that party is the licensed display company rather than the city. In the United States, display fireworks as defined in 27 CFR 555.11 normally require a federal explosives licence or permit to receive or transport, though § 555.141 exempts delivery to a State or its political subdivision. A city can therefore receive without a federal licence, and ATF reads the same exemption as reaching a contractor working exclusively under a current and valid contract with that government body — but not its storage, and not any work outside that contract, so in practice the display company still holds its own. In the EU, Article 7(3) of Directive 2013/29/EU bars making category F4 fireworks available to anyone other than a person with specialist knowledge authorised by that Member State. So the first question on a municipal order is not price. It is who signs for the container, and what they hold.

?
Buyer asks

How far ahead do we have to order shells for a municipal display?

LY
Liuyang Fireworks

Plan on ten to sixteen weeks from a frozen specification to goods in your magazine on a European or North American lane, and open the conversation five to seven months out. That total chains the specification freeze, production, the sailing, clearance and the inland move into a licensed store; the Class 1 dangerous-goods booking is arranged during production, four to six weeks before the sailing and eight to ten in peak windows, so it does not add to the total unless it fails. A first shipment into a market where your import authorisation is still pending is a different plan — three to five months. These are planning ranges from our own lanes, not commitments. If your award-to-show window is shorter than your own figure, the show can only be supplied from stock you already hold.

?
Buyer asks

What shell sizes can we put in the bid, and what decides the ceiling?

LY
Liuyang Fireworks

The site does, before the catalogue or the budget gets a say. Where NFPA 1123 applies, the minimum display-site radius for aerial shells is 70 ft per inch of internal mortar diameter, so a 12-inch shell asks for roughly 840 ft of clear radius — and the table stops there, because anything larger needs the approval of the authority having jurisdiction. Measure the usable radius, convert it into a calibre ceiling, and write the bid to that ceiling. Editions differ and the one that binds you is the one your AHJ has adopted, so confirm it locally before you commit a shot list.

?
Buyer asks

What documents should the factory provide for a tender submission?

LY
Liuyang Fireworks

Ask for the per-article classification with UN number, division and compatibility group; net explosive content per unit and per carton, plus the net explosive quantity your forwarder will book against; packing and carton data; the label artwork you will actually receive; and, for the EU, the CE marking with the notified body's identification number and the registration number assigned under Article 9 of Directive 2013/29/EU. On recurring shows, batch and lot identification matters as much as the certificates. What a factory cannot supply is the part tenders most often confuse it with: your operator licence, your AHJ permit, your public liability insurance and your bid or performance bond. No export document substitutes for them.

?
Buyer asks

The brief names an effect we cannot get in time. Can we substitute an equivalent after the award?

LY
Liuyang Fireworks

Sometimes, and it is a contract question before it is a product question. You were awarded on the description you submitted, so a later swap is a variation the evaluating authority has to accept — and on a competitively scored tender it can be refused precisely because it would change the basis on which bids were compared. Two things make it survivable. Name the fallback in your own bid, with the equivalence stated in measurable terms — calibre, break diameter, effect, duration, classification — rather than as “or similar”. And ask during the question period whether substitution of an equivalent article is permitted at all, because the answer is published to every bidder and costs you nothing to obtain. A factory can give you the comparison data an equivalence argument needs, and tell you which articles it can repeat next season. It cannot approve the change.

?
Buyer asks

Besides the product, what belongs in the bid price?

LY
Liuyang Fireworks

Five costs sit outside the shell price and are routinely underbid. Lawful storage for the weeks between delivery and show night — and magazine capacity, not floor space, is what decides whether the delivery can even arrive in one piece. Dangerous-goods road movement into and out of that store. The crew hours your firing method implies, which the set-up separation rules can change. Insurance and any bid or performance bond. And the financing gap: deposits fall due when production starts, while municipal payment often arrives after the show. That gap, rather than unit cost, is usually what limits how many public shows one company can carry in a season — which is also why buying per show tends to look cheaper on one order and cost more across a programme.

Bidding a City Show? Start With the Specification, Not the Catalogue

If the award date is already on the calendar, send that and the shot list you intend to name. You get a straight answer on whether a fresh order can meet it, or whether the bid has to be written from stock. Licences, permits and insurance stay with you.

Request Tender Specification Data
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