Owner
Costco Wholesale Corporation
General Contractor
Knife River – Billings
Work Performed
The project consisted of 7,607 LF of 6” to 21” Storm Drain piping, storm drain cleanouts, 800 LF of 24 “and 60” Irrigation, 48” – 84” SD Manholes, 120” SD Manhole Pump Station, (3) Chambered Stormwater Retention Systems, 1,956 LF of 6” – 8” Sanitary Sewer piping, 48” Manholes, cleanouts, Oil / Water Separator. 1,706 LF of 3” – 12” PVC waterline and appurtenances, Water Meter Vault, 150 LF of 6” PVC Fireline and Fire Vault.