This is to certify the completion of a subcontract for the supply of services or materials between
Marathon Underground °µÍø½ûÇøors Corporation
and
Thomas Cavanagh °µÍø½ûÇøion Limited (TCCL)
dated
January 15, 2026
The subcontract provided the supply of the following services or materials:
Horizontal directional drilling (HDD) of groundwater forcemains (100mm diameter and two 150mm diameter HDPE DR11 pipes bundled within a 450mm diameter HDPE DR11 casing, including pilot bore, reaming, pullback operations, and annular space grouting.
To the following improvement:
Trail Waste Facility Groundwater Gradient Control System
Of the premises at:
Trail Waste Facility, Station 2+061 to Station 2+263, Trail Road/Borrisokane Road area, Ottawa, Ontario
Date of certification:
February 10, 2026
Name of owner:
City of Ottawa
Address for service:
4475 Trail Road, Ottawa, ON K0A 2Z0
Name of contractor:
Thomas Cavanagh °µÍø½ûÇøion Limited
Address for service:
9094 Cavanagh Road, Ashton, ON K0A 1B0
Name of payment certifier:
Charlotte Mosleh
Address:
1565 Carling Avenue, Suite 200, Ottawa, ON K1Z 8R1
Identification of premises for preservation of liens:
