Specifications - City of Montpelier, Vermont

Title:02200 – EarthworkMontpelier District HeatingCity of Montpelier, VTIssue Date:September 28, 2012Page #:12 of 161. Stockpile soil materials away from edge of excavations. Do not store within dripline of remaining trees. Encircle all stockpiles with silt fence.3.11 BACKFILLA. Backfill excavations promptly, but not before completing the following:1. Acceptance of construction below finish grade including, where applicable,dampproofing, waterproofing, and perimeter insulation.2. Surveying locations of underground utilities for record documents.3. Testing, inspecting, and approval of underground utilities.4. Concrete formwork removal.5. Removal of trash and debris from excavation.6. Removal of temporary shoring and bracing, and sheeting.7. Installing permanent or temporary horizontal bracing on horizontally supportedwalls.3.12 UTILITY TRENCH BACKFILLA. Place and compact bedding course on rock and other unyielding bearing surfaces and tofill unauthorized excavations. Shape bedding course to provide continuous support forbells, joints, and barrels of pipes and for joints, fittings, and bodies of conduits.B. Place and compact initial backfill to a height of 12 inches over the utility pipe or conduit.1. Carefully compact material under pipe haunches and bring backfill evenly up on bothsides and along the full length of utility piping or conduit to avoid damage ordisplacement of utility system.C. Coordinate backfilling with utilities testing.D. Fill voids with approved backfill materials as shoring and bracing, and sheeting isremoved.E. Place and compact final backfill to final subgrade.F. Install warning tape directly above utilities, 12 inches below finished grade, except 6inches below subgrade under pavements and slabs. A metal trace wire is to be installedabove the effluent force main.3.13 FILLA. Preparation: Remove vegetation, topsoil, debris, wet, and unsatisfactory soil materials,obstructions, and deleterious materials from ground surface prior to placing fills.EARTHWORK 02200 12