# Alberta Purchasing #26-028

Clean engineered fill and associated hauling for the Constellation industrial park

**Posted:** February 10, 2026
**Respond By:** December 31, 2026
**Identifier:** 26-028
**NAICS:** 212321, 484220, 238910

The City of Calgary is seeking clean engineered fill for development and site grading at the Constellation industrial park.
- **Buyer:** City of Calgary, Real Estate & Development Services business unit.
- **OEMs and vendors:** No manufacturers, OEMs, or vendors are named in the opportunity.
- **Requested material:** Approximately 500,000–600,000 m³ of clean engineered fill, with potential demand of up to 1.0 million m³ over several years. Each proposed source must have at least 10,000 m³ available.
- **Material requirements:** Fill must be free of organics, debris, contamination, noticeable odors, and rocks larger than 250 mm × 250 mm. It must meet typical general-fill gradation, comply with the Alberta Tier 1 Commercial Guideline for fine-grained soil, and be suitable for immediate placement and compaction.
- **Review and handling:** Proposed material sources require environmental and geotechnical review, including desktop review and field sampling and testing. Contractors are responsible for excavating, loading, hauling, and dumping or stockpiling approved material.
- **Schedule and value:** Material is needed as it becomes available for the project’s grading work, with demand potentially continuing over several years. No exact performance dates or contract value are provided; the value range below is an approximate planning estimate.

### Description

The City of Calgary requires approximately 500,000–600,000 m³ of clean engineered fill for 2026 grading at the Constellation industrial park, with potential demand of up to 1.0 million m³ over several years. Material must meet the stated cleanliness, gradation, placement, and Alberta Tier 1 Commercial Guideline requirements, and be accepted through the City’s environmental and geotechnical review. Contractors are required to excavate, load, haul, and dump or stockpile approved fill; each source location must provide at least 10,000 m³. Material will be required as it becomes available from contractors working on other projects.

[View original listing](https://purchasing.alberta.ca/posting/AB-2026-01196)