Section 203 — Removal of Structures and Obstructions

Description

203.01This work consists of removing, disposing, and salvaging of structures, obstructions, and materials not designated to remain. The work also includes backfilling the trenches, holes, and pits resulting from structure removal.

Material

203.02Conform to the following Subsection: Soil and soil- aggregate materials 704.01

Construction Requirements

203.03Submittals. At least 30 days before starting the specified work, submit the following according to Subsection 104.06:

(a)Bridge removal plan. Submit a plan that includes the following:

(1)Methods and equipment to be used;

(2)Measures to be used for protecting the environment, public, adjacent property, and workers; and

(3)Methods to keep debris out of wetlands and waters.

(b)Hazardous material disposal plan. Submit a detailed disposal plan according to Subsection 203.08 that includes how material will be handled, loaded, and transported to the disposal facility. Submit a copy of disposal permits. Include the name and address of the facility where the material will be taken. Describe steps that will be taken to ensure tha t contaminated materials will be contained throughout the process. Measures may include additional steps or precautions when lifting and handling the material.

203.04Salvaging Material . Salvage designated material with reasonable care. Salvage in readily transportable sections or pieces. Replace or repair members, pins, nuts, plates, and related hardware damaged, lost, or destroyed during the salvage operation. Notify the CO in writing if parts are damaged, missing, or destroyed before starting the salvage operation. Label all members of salvaged structures with match marks. Securely attach parts to adjacent members or pack them in approved and marked containers with the contents clearly listed. Submit one set of drawings according to Subsection 104.06 identifying the members and their respective match marks. Stockpile salvaged material at a designated area.

203.05Removing Material.

(a)Full removal. Remove the structure or obstruction from the project unless otherwise specified. Raze and remove buildings, foundations, pavements, culverts, sidewalks, curbs, fences, structures, and other obstructions interfering with the work and not designated to remain.

(b)Partial removal. Saw cut sidewalks, curbs, pavements, and structures if partial removal is required. Remove structures and obstructions in the roadbed to 36 inches below subgrade elevation. Remove structures and obstructions outside the roadbed to 24 inches below finished ground or to the natural stream bottom. Construct structurally adequate debris shields to contain debris within the construction limits. Do not allow debris to enter wetlands and waters, travel lanes open to public traffic, or areas designated not to be disturbed. Handle material with lead contamination according to Section 563. Except in excavation areas, backfill and compact resulting trenches, holes, and pits left by structure removal with common backfill to the lines and gra des of the finished ground. Backfill according to Section 209.

203.06Abandoning Structures . Abandon structures or obstructions from the project as shown in the plans or as directed. Ensure that abandoned structures do not entrap water. If abandoning manholes, inlets, catch basins, and spring boxes, seal pipes entering the structure with a tight- fitting plug of concrete at least 6 inches thick or water-tight masonry at least 8 inches thick. If abandoning culvert pipes in place, remove the upstream and downstream portion of the culvert to within 48 inches of the subgrade or embankment slope. Ensure the abandoned pipe is at least 48 inches from a new culvert or structure. Seal the abandoned culvert ends with a tight -fitting plug of concrete according to Section 601, at least 6 inches thick.

203.07Disposing of Material. Dispose of unsuitable and excess material. Recycle or dispose of mater ial legally off the project according to Sections 105 and 107. Submit a statement documenting the nature and quantity of material processed or sold for recycling. Otherwise, submit a sig ned copy of the disposal agreement before disposal starts. Dispose of hazardous material according to Subsection 203.08 .

203.08Disposing of Hazardous Material . Dispose of material according to Federal, state, and local rules and regulations. Include the SDS with the material to the disposal facility. Ensure that loads transported from the site are adequately contained and covered. Submit a copy of the receiving report from the disposal facility acknowledging that t he material being delivered contains hazardous material.

(a)Lead paint removal. Dispose of lead contaminated steel either by transporting to an approved scrap facility for recycling or remove and dispose of lead contamination in an appropriate waste facility. If the Contractor chooses to salvage the steel members, the paint may be removed subject to the following requirements:

(1)Remove lead contaminated paint in an appropriate containment facility.

(2)Conform to Section 563.

(3)Manifest and dispose of lead contaminated waste according to the requirements of 40 CFR 260 through 268 – Resource Conservation and Recovery Act (RCRA).

(b)Asbestos containing material. Dispose of asbestos containin g material (ACM) according to Federal, state, and local rules and regulations. Ensure the safety of workers, visitors to the site, and the public according to applicable laws, rules, and regulations.

(1)Asbestos abatement plan. Submit a detailed asbestos abat ement plan that includes how ACM will be handled, loaded, and transported for disposal. Include the following in the plan:

(a)Name of the National Emission Standards for Hazardous Air Pollutants (NESHAP) certified supervisor and training program for workers h andling ACM.

(b)Name and address of the facility where the ACM will be taken.

(c)Proposed steps taken to remove ACM according to applicable rules and regulations.

(d)Description of how the work will comply with OSHA protective clothing and personal protective equipment requirements, and employee monitoring requirements.

(2)Certification and worker training. Provide at least one NESHAP certified person on site during asbestos removal. Ensure that workers are trained according to 29 CFR 1926.1101.

(3)ACM removal and disposal. Before removal of ACM, submit required notifications to the appropriate regulatory agency and submit copies of approvals. Complete and sign transport and disposal forms. Maintain ACM in an undamaged and non- friable condition by keeping the material wet during demolition or by using methods approved by the regulatory agency. Keep material sealed during transport to the disposal facility. Dispose of containerized asbestos waste according to 40 CFR, Part 61.156.

203.09Acceptance. Removal of structures and obstructions will be evaluated under Subsection 106.02. Backfilling and compacting trenches, holes, and pits resulting from structure removal will be evaluated under Section 209. Lead conta minated material removal will be evaluated under Section 563. Minor concrete will be evaluated under Section 601.

Measurement

203.10Measure the Section 203 pay items listed in the bid schedule according to Subsection 109.02 .

Payment

203.11The accepted quantities will be paid at the contract price per unit of measurement for the Section 203 pay items listed in the bid schedule. Payment will be full compensation for the work prescribed in this Section. See Subsection 109.05 .