Around 8:15 on a busy night the ice well behind the bar runs low, the service bin is empty, and the barback does the obvious thing: walks to the galvanized tub where the beer and white wine have been sitting for three hours and scoops from that. I've watched it happen at venues that should know better.
That ice can't go in a drink, and I still see it scooped at events. It happens because the ice was ordered as one number when it's really two. Glassware and wine go wrong the same way: the counts come from a rule of thumb nobody checked. Here's what the published sources say, and where they stop.
None of this is legal advice. It's the published rule and what venues and rental companies print.
Chilling ice and drinking ice are two separate orders
The FDA Food Code defines food to include ice and beverages (section 1-201.10). Section 3-303.11 is the one that matters at a bar. Once ice has been used to cool the outside of food, of packaged foods "such as canned BEVERAGES," or of equipment coils, it may not be used as food. FDA marks it a priority item, the most serious of the Code's three categories.
Two more rules follow from ice being food. Section 3-202.16 requires ice used either as food or as a cooling medium to be made from drinking water, so even tub ice needs a safe source. And section 3-301.11(B) bars staff from touching ready-to-eat food with bare hands, which covers the cubes going into a glass.
The section numbers here are from the 2022 Food Code, the edition most states are moving to. FDA released a 2026 edition this fall; I haven't checked these sections against it. Your state may still run an older edition, and the local code is the one your inspector reads.
The practical result: every bag of ice that touches a bottle, a can or the outside of a wine bucket is gone as drinking ice. Order it, store it and label it separately.
How much ice per guest
There's no standards body for this. What exists is an ice company, a university alumni office's guide for class events and an ice-machine maker's sizing guide, and they don't agree on drinking ice:
| Source | Ice per guest | Notes |
|---|---|---|
| Reddy Ice | 1–2 lb | Worked examples: 2.1 lb (outdoor, chilling only), 2.05 lb (indoor, chilling and serving) |
| Princeton alumni event guide (June 2026) | 1–1.5 lb | 2 lb outdoors |
| Hoshizaki ice-machine sizing guide | 2 lb per person (restaurant), 3 lb per seat (cocktails) | For sizing a machine's daily output; reprinted in Club + Resort Chef, 2014 |
Reddy Ice says it "recommends one to two pounds of ice per person attending," and to adjust for the venue and whether the ice serves or chills. Its own examples sit at the top of that range: 15 seven-pound bags (105 lb) for a 50-guest outdoor barbecue where the ice only chills cans people drink from, and 22 bags (154 lb) for a 75-guest indoor party where it both chills and serves. That's 2.1 and 2.05 lb a guest, so in Reddy's own math chilling alone can take 2 lb a guest.
The Hoshizaki guide also gives a per-glass figure: 4 oz of ice in a 10 oz water glass. If the tables get iced water, budget it separately: 120 water glasses at 4 oz is 30 lb of ice that never reaches the bar.
Tub ice is harder. I couldn't find a per-case figure from any ice manufacturer, trade association or agency. The closest thing is a physics estimate Rhett Allain published in Wired in 2011: about 250 grams (0.55 lb) of ice per 12 oz can, allowing for 60% heat loss, or roughly 13 lb per 24-can case. Allain assumed room-temperature cans and that every bit of the ice melts, which he notes you don't want, so I read it as a floor. Cans that arrive cold from a walk-in need far less; cases that sat in a hot van need more.
My read: the 1 lb end of every range assumes a short indoor event with nothing in tubs. For a four-hour, cocktail-heavy event I plan drinking ice at 2 lb a guest, more outdoors, and order tub ice as its own line. That's my practice, not a published standard.
Scoops, hands and the glass rule
People quote "never scoop with a glass" as FDA text. It isn't. What the Code requires is no bare-hand contact (3-301.11(B)) and proper scoop storage: section 3-304.12(E) lets an ice scoop sit between uses in a clean, protected location, because ice isn't a temperature-controlled food. FDA's inspection guide in Annex 7 adds that "Ice scoops may be stored handles up in an ice bin except for an ice machine."
The explicit glass rule is DC and Washington State guidance, not FDA text. The DC Department of Health's Ice as a Food fact sheet says "Never use glass as a scoop and never scoop ice with your bare hands." Washington State's food worker manual tells workers the same thing about glasses. Local codes can be stricter than FDA's model, so ask your inspector before the event.
It's the right rule everywhere anyway. A chipped glass in an ice well means emptying and refilling the well in the middle of service, which is exactly when you don't have spare ice.
Wine and Champagne: count pours, not bottles
A 750 mL bottle holds 25.36 fl oz. At the NIAAA's 5 oz standard wine drink, that's five pours. Say 120 dinner guests average two glasses: 240 pours, or 48 bottles.
Sparkling is where the sources split, because they assume different pours. Princeton's guide counts 4 glasses per bottle of sparkling. Millesima, a wine retailer, puts it at five to six glasses of about 125 mL. At a 4 oz toast pour the arithmetic gives six. For a 120-guest toast, that's 20 bottles at six per bottle or 30 at Princeton's four. Ten bottles of difference, from one assumption nobody wrote down. Put the pour size in the banquet event order next to the bottle count.
For total drinks, Princeton plans a flat one drink per person per hour. The rule you'll hear more often, two drinks the first hour and one each hour after, comes from planning sites like EventPlanning.com, not from any standards body. The open bar post covers who carries the liability once those drinks are poured, and why the first hour is priced highest.
Glasses per guest, not glasses per drink
Guests put glasses down and get a fresh one. Rental companies, and Princeton's guide, plan for that:
- Party Rental Ltd: 1.5 glasses per guest in the first hour, then 1 per hour. Its own example is 350 glasses for 100 guests over three hours.
- Ventura Rentals: 1.5–2 glasses per guest for cocktail hour plus the bar, then a water goblet and a wine glass per guest at dinner, one flute per guest for the toast, and 5–10% extra.
- Princeton: two cups per person.
For 120 guests over four hours, Party Rental's rule gives 540 bar glasses before any dinner glassware. Either the dish crew turns glasses during service or you rent more. On a site without a dish machine, rent more.
The cocktail hour drives the food count on the same clock. The hors d'oeuvres post covers that side.
The damage waiver covers broken glass, not missing glass
I covered one 4% waiver in the off-site kitchen post; here's how it compares. Most rental companies I checked bill breakage at replacement cost and sell a waiver against it; G & K instead allows 1% breakage. The terms that matter are in the fine print:
| Company | Waiver or allowance | Fine print |
|---|---|---|
| Party Rental Ltd | 4%, non-refundable | Covers broken glassware; theft and missing items excluded |
| AAA Party Rentals (Maryland) | 10% | Missing items billed; racks not returned aren't covered |
| Grand Event Rentals (Bothell, WA) | 10%, optional | Breakage only; no shortages |
| A Classic Party Rental (Indianapolis) | 10% | "A few broken or chipped pieces"; lost items excluded |
| G & K Event Rentals (Minnesota) | 1% breakage allowance | Replacement charge above 1%; items must come back rinsed |
So the waiver isn't insurance against a short count. If 30 glasses leave with guests or end up in the venue's dumpster, you pay for 30 glasses. Two companies soften it: AAA refunds a missing-item charge if the item turns up within 7 days, and Prime Time Party Rental in Ohio within 30.
Return condition costs money too. AAA wants glassware back in its racks, free of food and liquid; Prime Time wants it in the correct racks. Grand Event Rentals charges $45 an hour to clean items that come back with excessive food or liquid. Ventura Rentals is blunter: "Dirty items are charged a 40% cleaning fee."
For scale, G & K's undated price page lists wine glasses at 69¢, so 540 of them is $372.60, and a 10% waiver like AAA's adds about $37. The waiver is the cheap line on that invoice; the missing and dirty glasses are the expensive ones. And keep the broken pieces: at AAA, Grand Event Rentals and Prime Time, the waiver applies only if they're returned.
What I'm not going to give you
Pounds of ice per case of beer. I couldn't find one from any manufacturer, association or agency, including the International Packaged Ice Association. Allain's estimate is physics, not a field measurement.
Ice melt per hour outdoors. I couldn't find a figure from any credible source; only calculator sites publish one.
A dollar figure per broken glass. Every company says replacement cost and stops there. Ask for the replacement price list before you sign.
Where "two drinks the first hour" came from. I couldn't find an original source.
What to do
- Write two ice lines on the order: drinking ice at about 2 lb a guest, and chilling ice as its own line, labeled.
- Put a scoop in every bin and ban glass scooping, whatever your local code says.
- Write the pour size next to every wine and sparkling count in the banquet event order.
- Rent glasses by the hour, not by the drink, and add 5–10%.
- Read the waiver for what it excludes, and count racks in and out with the rental driver.
- Rinse everything and rack it before it goes back on the truck.
Disclosure: I work at Katalyst, which sells catering software, and I still pick up a handful of events a year. The numbers worth trusting are your own: ice bought, bottles opened and glasses returned, written down after every event. Two seasons of that beats every rule in this post.
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