Supply of White Calcium Hydroxide (Annual Contract)
Lieferung von Weißkalkhydrat (Jahresvertrag)
Germany · how to bid here →
Your path to submission
- Deadline: 14 October at 12:00 — 10 days left.
- You submit on Vergabemarktplatz (cosinex) — not here and not by e-mail. ↗ Free bidder account on the cosinex platform required (created instantly); offers go through the bidding tool, usually plain text form suffices — no qualified signature. Sort out account and signature first — not on submission day.
- Collect your evidence — use the eligibility analysis above: it lists the requirements and, for known certificates, how to get them.
Clement What the numbers say about this buyer
- 54% of this buyer's awards went to companies that had already won here before (49 awards since 2022, spread over 23 companies). 46% went to new names.n = 49 awards since 2022
- The median procedure drew 2 bids (49 procedures with a bid count); 27% ended with a single bidder. Sector: median 2 bids.n = 49
- Not one of the 49 awards with a known winner country has gone to a foreign company so far. Sector average: 2%.n = 49
- From notice to award takes a median 79 days here (17 procedures). Sector: 72 days.n = 17
From this buyer's documented awards; comparison values from the same sector and country. Not a forecast, not legal advice. As of 27/09/2026.
Foreign bidders
In Germany · Chemical products, 39 contracts went to foreign companies over the last 3 years (of 1,903 recorded awards) — mostly from Italy, Switzerland, Belgium.
Typical field: median 2 (from 1,823 awards).
What the buyer is looking for
Type of service Delivery service Scope of service For sewage sludge conditioning, white lime hydrate is required for the two municipal sewage treatment plants. According to the experience of the previous year, a consumption of approx. 500t/a for the Bad Honnef-Tallage wastewater treatment plant and approx. 160t/a white lime hydrate for the Bad Honnef-Aegidienberg wastewater treatment plant is to be calculated. For both wastewater treatment plants, this results in a total delivery volume of approx. 660t/a. The contract period starts on 01.01.2027 and ends on 31.12.2027. The lime to be supplied must meet the requirements of DIN EN 12518 (as of 2014-11) - White lime hydrate (calcium hydroxide, Ca(OH)2), "Class 1" correspond. Main place of performance Official name Wastewater treatment plant Bad Honnef-Tal Postal address An-St.-Göddert 7 Postal code 53604 Town of Bad Honnef Supplementary /…
Show full description
… Differing information on the main place of performance Other places of performance Official name Wastewater treatment plant Bad Honnef-Aegidienberg Postal address Orscheider Kirchweg 3 Postal code 53604 Town of Bad Honnef Award criteria Lowest price see award documents The following criteria Execution deadlines Provisions concerning the execution period or
Eligibility analysis from the tender documents
Contract
Who has won here before
| Company | Awards | Period |
|---|---|---|
| Hoffmann Entsorgungs- und Reinigungs GmbH | 4 | 2022–2025 |
| Energiebüro Dipl.-Ing. Thomas Lüdemann GmbH · Remagen | 4 | 2025 |
| Heiko Schmidt Architekten | 3 | 2025 |
| MAN Truck & Bus Verkauf Siegen · Siegen | 3 | 2022–2026 |
| Roxeler Ingenieurgesellschaft mbH NL Steinfurt · Steinfurt | 3 | 2025 |
How often this buyer tenders this
Who knows the rhythm prepares instead of reacting.
How to bid
Guide: how to apply on cosinex Vergabemarktplatz / DTVP → Registration, signature, fees — from the operator's bidder manual.