Backfilling Trenches and Other Excavations, 2019-8-9 · Backfilling is the process of putting the soil back into a trench or foundation once excavation, and the related work has been completed. The backfill process requires skills and heavy equipment as well as knowledge of the specifications, contract requirements, and soil conditions.Heavy Equipment Forums, · ALL NEW MEMBERS READ THIS FIRST!! Thank you for joining Heavy Equipment Forums! If you are new to forums we communicate with "Threads", please search our threads to see if your topic may have already been answered and if not then click "Post New Thread" in the appropriate forum.Ehv Silicone Rubber Insulators, 2019-9-9 · +968 2459 7510 / 1304 / 2203 1111 Fax: +968 2459 7511. P.o Box 703 P.c 112 Ruwi, Muscat, Sultanate Of Oman. Description:.