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Cleaning and inspecting sewers 2027-2031 Zaanstreek-Waterland region
Reinigen en inspecteren riolen 2027-2031 regio Zaanstreek-Waterland — original title
Your path to submission
- Deadline: 3 November at 12:00 — 2 days left.
- You submit on TenderNed — not here and not by e-mail. ↗ Submission via TenderNed with an eHerkenning account — issuance for foreign firms can take time; apply early. Sort out account and signature first — not on submission day.
- Offer and evidence in: Dutch.
- Collect your evidence — use the eligibility analysis on this page: it lists the requirements and, for known certificates, how to get them.
What the buyer is looking for
The assignment consists of cleaning chalks in the public space. Lot 1 Purmerend: 208,000 m sewers (from 2027 to 2031) Lot 2 Edam-Volendam: 150,000 m sewers (from 2027 to 2031) Lot 3 Landsmeer: 34,000 m sewers (from 2027 to 2031) Lot 4 OVER municipalities (Eastern Zaan and Wormerland): 33,000 m sewers (from 2027 to 2031) Lot 5 Waterland: 45,000 m sewers (from 2027 to 2031) Lot 6 Zaanstad: 360.000 m sewers (from 2027 to 2031) · The assignment consists of cleaning and inspecting sewers in the public space in the municipality of Purmerend. xxx.000 m cleaning sewers for the period 2027 and 2028 xxx.000 m inspecting sewers for the period 2027 to 2031 (including extensions) · The assignment consists of cleaning and inspecting sewers in the public space in the municipality of Edam-Volendam. xxx.000 m cleaning sewers for the period 2027 and 2028 xxx.000 m inspecting sewers for the period 2027 to…
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… 2031 (including extensions) · The assignment consists of cleaning and inspecting sewers in the public space in the municipality of Landsmeer. xxx.000 m cleaning sewers for the period 2027 and 2028 xxx.000 m inspecting sewers for the period 2027 to 2031 (including extensions) · The assignment consists of cleaning and inspecting sewers in the public space in the municipality of Landsmeer. inspecting sewers in the public area in the municipality of Oostzaan and municipality of Wormerland. xxx.000 m cleaning sewers for the period 2027 and 2028 xxx.000 m inspecting sewers for the period 2027 to 2031 (including extensions) · The assignment consists of cleaning and inspecting sewers in the public area in the municipality of Waterland. xxx.000 m cleaning sewers for the period 2027 and 2028 xxx.000 m inspecting sewers for the period 2027 to 2031 (including extensions) · The assignment consists of cleaning and inspecting sewers in the public area in the municipality of Zaanstad. xxx.000 m cleaning sewers for the period 2027 and 2028 xxx.000 m inspecting sewers for the period 2027 to 2031 (including extensions)
Contract
Type of service
Clement What the numbers say about this buyer
- 2% of this buyer's awards went to companies that had already won here before (157 awards since 2015, spread over 87 companies). 98% went to new names.n = 157 awards since 2015
- The median procedure drew 3 bids (138 procedures with a bid count); 25% ended with a single bidder. Sector: median 3 bids.n = 138
- 6% of awards went to companies from abroad (157 awards with a known winner country). Sector average: 2%.n = 157
- 39% of the bids received came from small and medium-sized enterprises (76 procedures with a bid mix). Sector: 36%.n = 76
From this buyer's documented awards; comparison values from the same sector and country. Not a forecast, not legal advice. As of 01/11/2026.
Selection criteria — via the ESPD
The buyer states in the notice that eligibility is proven through the European Single Procurement Document (ESPD); the concrete requirements are in the tender documents. The document analysis below extracts them from there — bid and evidence in Dutch.
Eligibility analysis from the tender documents
Tender documents — direct download
Who has won at this buyer so far
Across all contract types of this buyer — not just this sector. A city buys software and fire engines through the same purchasing office.
| Company | Awards | Period |
|---|---|---|
| Flextender B.V. | 2 | 2024–2025 |
| Sigmax Law Enforcement B.V. | 2 | 2025–2026 |
| Delta10 B.V. | 2 | 2024 |
| Kliko WTS B.V. | 1 | 2026 |
| Leviaan | 1 | 2024 |
How often this buyer tenders this kind of work
Tactics
When contracts were awarded in this country and sector, usually about 3 bids came in. A normal field for this market. (Based on 1,901 completed awards — not a statement about this procedure.)
This procedure allows 16 days between publication and deadline — typical in this country is 48 (median of 2,911 procedures). Much tighter than usual: the first week counts.
Foreign bidders
In the Netherlands · Cleaning, environment & waste, 42 contracts went to foreign companies over the last 3 years (of 2,209 recorded awards) — mostly from Germany, France, Belgium.
Submission language: Dutch.
How to bid
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