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Division 4 — Asphalt Pavements

412UNCLASSIFIED STRUCTURE EXCAVATION

NC · 2024 Standard SpecificationsBook pages 157157View official source ↗

4-21 SID Inspections will be measured and paid in units of each. SID Inspections will be measured

as one per pier. The contract unit price for SID Inspections will be full compensation for inspecting holes with the SID the first time. No additional payment will be made for subsequent inspections of the same hole. The Contractor is responsible for any damage to the SID equipment due to the Contractor’s fault or negligence. Replace any damaged equipment at no additional cost to the Department. SPT Testing will be measured and paid in units of each. SPT Testing will be measured as the number of standard penetration tests performed except no payment will be made for SPT Testing to determine if temporary casing is necessary . CSL Testing will be measured and paid in units of each. CSL Testing will be measured as one per pi er. The contract unit price for CSL Testing will be full compensation for performing initial CSL testing and providing CSL reports. Subsequent CSL testing of and CSL reports for the same pier will be considered further investigation. No separate payment will be made for CSL tubes. CSL tubes including coring for inaccessible tubes and grouting will be incidental to the contract unit prices for drilled piers. No payment will be made for stuck temporary casings that cannot be removed from drilled pier excavations or additional drilled pier length and reinforcing steel required due to temporary casings that remain in excavations. No payment will be made for PIT. No payment will be made for further investigation of defective piers. Further investigation of piers that are not defective will be paid as extra work in accordance with Article 104 -7. No payment will be made for remediation of unacceptable drilled piers or post repair testing. Payment will be made under: Pay Item Pay Unit ____ Dia. Drilled Pier s in Soil Linear Foot ____ Dia. Drilled Piers Not in Soil Linear Foot ____ Dia. Drilled Piers Linear Foot Permanent Steel Casing for ____ Dia. Drilled Piers Linear Foot SID Inspections Each SPT Testing Each CSL Testing Each UNCLASSIFIED STRUCTURE EXCAVATION

412-1 Description

Excavate any material not classified as foundation excavation, box culvert excavation or channel excavation whose removal is required for the construction of bridges, retaining walls of reinforced concrete or reinforced masonry, arch culverts and box culverts without floor slabs, and which is classified as unclassified structure excavation in the plan s, in accordance with the contract or as directed by the Engineer . Excavate, blast, brace, shore, provide sheeting and cribbing, backfill, haul and dispose of materials. Do not deposit excavated materials, nor construct earth dikes or other temporary earth structures, in rivers, streams or impo undment or so near to such waters that they are carried into any river, stream or impoundment by stream flow or surface runoff. Dispose of all timber, stumps and debris in accordance with Article 200- 6.

412-2 Preservation of Channel

Unless otherwise required by the contract, do not excavate in stream channels. Do not disturb the natural streambed adjacent to the structure without permission from the Engineer .

Source: North Carolina Standard Specifications for Roads and Structures, 2024 Edition. Pages 157157 of 857.