CATEGORY 300 DRAINAGE SECTION 302 — SELECTED BACKFILL
302.01 Description
Place selected backfill material and compact.
302.02 Materials
No. 57 Aggregate 901.01 Crusher Run Aggregate CR-6 901.01
302.03 Construction
Place selected backfill on suitable subgrade material that has been prepared in as specified in Section 208 and compact the selected backfill as specified in Section 210. When unsuitable subgrade material is encountered, notify the Engineer to inspect the material. Excavate unsuitable material as specified in 208.03.01 and Section 301 before placing selected backfill.
302.04 Measurement and Payment
Selected Backfill using No. 57 Aggregate or Selected Backfill using Crusher Run Aggregate CR-6 will be measured and paid for at the Contract unit price per cubic yard. The payment will be full compensation for all material, labor, equipment, tools, and incidentals necessary to complete the work. 2025 STANDARD SPECIFICATIONS FOR CONSTRUCTION AND MATERIALS 303 — PIPE CULVERTS CATEGORY 300 DRAINAGE SECTION 303 — PIPE CULVERTS
303.01 Description
Furnish and install pipe culverts, make connections to miscellaneous structures and other pipe culverts, reinstall existing pipes, remove existing pipe culverts, abandon existing pipes, and clean existing pipes.
303.02 Materials
No. 57 Aggregate 901.01 Crusher Run Aggregate CR-6 901.01 Curing Compound 902.07.03 Portland Cement Concrete 902.10, Mix No. 2 Grout 902.11 Controlled Low Strength Material 902.16 Brick 903.03 Mortar 903.06 Pipe Section 905 Select Borrow 916.01 Common Borrow 916.01 Stormwater Management (SWM) Facility Embankment Clay Core Borrow 916.01 Water 921.01 Detectable Utility Marking Tape 921.11 Bedding. Use earth meeting the requirements of M 145, A-1, A-2-4, A-2-5 or A-3. The maximum particle size is 1.25 in. Do not use organic material, stones larger than 1.5 in., or frozen lumps. Selected Backfill may be used. Backfill. Use material meeting the requirements for Select Borrow, Selected Backfill or Controlled Low Strength Material (Flowable Backfill). Large lumps, clods, frozen material, or rocks are not acceptable. For plastic pipe installations, use backfill materials meeting the requirements of M 145, A-1, A-2-4, A-2-5, or A-3. 2025 STANDARD SPECIFICATIONS FOR CONSTRUCTION AND MATERIALS