# Alberta Purchasing #25-0052

City of Calgary award for a five-year PCSWMM Enterprise subscription

**Posted:** November 06, 2026
**Identifier:** 25-0052
**NAICS:** 513210

The City of Calgary awarded a five-year subscription for PCSWMM Enterprise stormwater modeling software.
- **Government buyer:** City of Calgary.
- **Award recipient:** Computational Hydraulics Inc.
- **OEM:** **Computational Hydraulics International (CHI)**, identified as the developer and owner of PCSWMM.
- **Requested service:** Ongoing access to PC Storm Water Management Modeling (PCSWMM) Enterprise software; subscription quantity and part number are not specified.
- **Award value:** 98,113 for the five-year subscription; the source does not specify currency.
- **Notable requirement:** Single-source award, citing a direct-award trade agreement exception.

### Description

This is a single-source award for ongoing access to PC Storm Water Management Modeling (PCSWMM) software embedded for use in the organization. Computational Hydraulics International (CHI) is identified as the software’s developer and owner. The award is to Computational Hydraulics Inc for PCSWMM Enterprise Software, with an award amount of 98,113 to fund the full five years of contemplated subscription fees. The source lists a direct award trade agreement exception (TAEX-07).

[View original listing](https://purchasing.alberta.ca/posting/AB-2026-07404)