https://www.groundrules.ca/about daily 0.75 2022-04-07 https://images.squarespace-cdn.com/content/v1/60b9728a33f45600e42bb7de/1625095023710-KUUA58MI06V8D2DR8IUD/York+Watermain+25.JPG About https://images.squarespace-cdn.com/content/v1/5ce435d6bea1ed00016ba287/1558964652247-5MWXNMFZVOPGE4TY6U2Q/MHeiderich_ReflexionenZwei-05-copy.jpg About https://www.groundrules.ca/our-team daily 0.75 2025-11-17 https://images.squarespace-cdn.com/content/v1/60b9728a33f45600e42bb7de/1624999708211-N6MHKWJGYNRO3K4D5X4I/Tunnel+Line+9+Visit+26.jpg Resume - Make it stand out Visiting Line 9 tunnel boring machine launch shaft with my daughter in Barcelona, 2008 https://images.squarespace-cdn.com/content/v1/60b9728a33f45600e42bb7de/e466c2e2-6845-49f6-b4a3-12d01ee80e28/site+visit.jpg Resume - Make it stand out Site visit underground, fall 2021 https://images.squarespace-cdn.com/content/v1/60b9728a33f45600e42bb7de/8189a638-7fdc-42ad-a85b-5bfc805a0b3e/SJB+at+Fairview.jpg Resume Summit of Fairview Mountain, AB, September, 2022 https://www.groundrules.ca/contact daily 0.75 2021-06-22 https://images.squarespace-cdn.com/content/v1/5ce435d6bea1ed00016ba287/1558964652247-5MWXNMFZVOPGE4TY6U2Q/MHeiderich_ReflexionenZwei-05-copy.jpg Contact https://www.groundrules.ca/work-1 daily 1.0 2022-01-20 https://www.groundrules.ca/work-1/project-two-5pynn monthly 0.5 2021-06-29 https://images.squarespace-cdn.com/content/v1/60b9728a33f45600e42bb7de/1625010278886-7ZJ535HTA4VYABQS35WX/image-asset.jpeg Welcome - Deep Excavations https://images.squarespace-cdn.com/content/v1/60b9728a33f45600e42bb7de/1625010106077-T0EE2VBPGSIFGAJS1ENG/whotel1.jpg Welcome - Deep Excavations https://www.groundrules.ca/work-1/project-three-lsje7-6ca2t monthly 0.5 2021-06-29 https://www.groundrules.ca/work-1/project-three-lsje7-rhgty monthly 0.5 2021-07-01 https://images.squarespace-cdn.com/content/v1/60b9728a33f45600e42bb7de/1625005592928-QTKWY1IWN813GBLX8IQW/image-asset.jpeg Welcome - Tunneling https://images.squarespace-cdn.com/content/v1/60b9728a33f45600e42bb7de/1625005281452-PT1E6TRPPIK44LUIM2Z7/image-asset.jpeg Welcome - Tunneling https://images.squarespace-cdn.com/content/v1/60b9728a33f45600e42bb7de/1625005932194-YD74O6NLZV3FDICXJ392/image-asset.jpeg Welcome - Tunneling https://www.groundrules.ca/work-1/project-three-lsje7-rhgty-4bmg8 monthly 0.5 2021-06-29 https://images.squarespace-cdn.com/content/v1/60b9728a33f45600e42bb7de/1625009952389-RNNU160C86LYKO7EAGYA/Don+Mills+foundations.jpg Welcome - Foundations https://images.squarespace-cdn.com/content/v1/60b9728a33f45600e42bb7de/1625010006386-9DUNFQ6HF08ZWR5IRZAG/spread+footing.jpg Welcome - Foundations https://www.groundrules.ca/work-1/project-two-5pynn-3bxpj monthly 0.5 2021-06-29 https://images.squarespace-cdn.com/content/v1/60b9728a33f45600e42bb7de/1625010803489-BGMGU32M5UZM0VJLI8YV/image-asset.jpeg Welcome - Forensics & Claims