SECTION 214 — CONTAINMENT SYSTEM FOR HYDRODEMOLITION RUNOFF 200-85 — CONTAINMENT SYSTEM FOR HYDRODEMOLITION RUNOFF
214.01 Description.
This work includes providing an on- site containment system for runoff from hydrodemolition operations and the collection and disposal of sediments and other materials.
214.02 Materials.
The Engineer will approve any use of materials not specifically included on the Plans and/or in this Specification.
214.03 Construction Methods.
At least 30 days before starting hydrodemolition operations, submit for the Engineer’s approval the proposed storage area and maintenance plan for the hydrodemolition runoff. Include these elements: • The containment/sedimentation system • The maintenance procedures Containment System for Control of Hydrodemolition Runoff. If the Project is within the jurisdiction of the Rhode Island Department of Environmental Management (RIDEM) or the Coastal Resources Management Council (CRMC), construct the containment system according to the permit. Otherwise, obtain the necessary appr ovals before beginning hydrodemolition activities. Provide copies to the Engineer. Ensure that the containment system meets the following minimum requirements: • It must be one of the following structures: ○ An open basin formed of natural topography lined with an impermeable fabric ○ An area where excavated material can be placed to form a temporary earth berm, lined with an impermeable fabric ○ A manmade, portable structure that can be placed on- site for the duration of the hydrodemolition process • Submit computations accompanied by the hydrodemolition equipment’s operating specifications, demonstrating that the sedimentation area has the capacity for a maximum discharge from eight hours of hydrodemolition operations and a minimum of 3000 gal. • Locate t he containment system within the available infield(s) of the P roject. Do not encroach on the pedestrian or travel ed way. Surround t he location of the facility with a temporary snow fence to discourage unauthorized entry.
Part 200 — Earthwork and Erosion Control August 2025
200-86 SECTION 214 — CONTAINMENT SYSTEM FOR HYDRODEMOLITION RUNOFF • If disturbance of the original soil is required for the establishment of the containment system, install and maintain proper erosion control measures throughout the hydrodemolition process. Restore the site after completion of the process. Maintenance and Disposal of Hydrodemolition Runoff. Develop a method by which hydrodemolition runoff will be managed. Any temporary sedimentation basin will be maintained, cleaned, and emptied before initiating work. Any hydrodemolition discharges to areas of RIDEM or CRMC jurisdiction must be authorized by the appropriate regulatory agency. Discharges outside of the RIDEM or CRMC will not be authorized by the Engineer and must be approved by the Engineer.
a.Requirements. Dispose of the liquid and solid discharge elements of the hydrodemolition operations to conform to the following requirements: ● Do not initiate hydrodemolition operations on a workday until the containment system has been cleaned. ● Remove and discharge liquid runoff according to RIDEM or CRMC approval, only after a settling period of not less than six hours. Do not discharge hydrodemolition runoff into an area of RIDEM or CRMC jurisdiction or into any storm drain, without prior approval from RIDEM or CRMC. Obtain all such approvals and forward copies to the Engineer. Do not allow water to drain across unpaved surfaces. Pump or siphon the water or transport the water along a temporary paved waterway. Provide erosion control measures for any process that results in disturbing earth or discharges over unpaved surfaces. ● Remove and properly dispose of any solid debris collected in the bottom of the basin.
b.Damaged Facilities. Replace, rebuild, or repair the basin, or its components, that is damaged or otherwise rendered inoperative such that it does not perform its intended function, at no additional cost to the Department. These repairs include snow fence repair, structure repair, and maintaining hay bales.
214.04 Method of Measurement.
Containment System for Control of Hydrodemolition Runoff does not require a measurement for a lump sum payment. Maintenance and Disposal of Hydrodemolition Runoff will be measured by the number of days where actual hydrodemolition occurs.
214.05 Basis of Payment.
The Department will pay for the completed and accepted quantities at the Contract unit prices as follows.
Part 200 — Earthwork and Erosion Control August 2025
SECTION 214 — CONTAINMENT SYSTEM FOR HYDRODEMOLITION RUNOFF 200-87 Pay Item Pay Unit Containment System for Control of Hydrodemolition Runoff LS Maintenance and Disposal of Hydrodemolition Runoff DAYS Containment System for Control of Hydrodemolition Runoff. The price constitutes full compensation for establishing a suitable sedimentation basin for the hydrodemolition runoff, including all materials, labor, tools, equipment, and earthwork associated with providing the basin, erosion control, snow fence, removal of all materials and restoration of all ground surfaces disturbed in the installation and operation of the system, and all incidentals necessary for finishing the work, complete and accepted. Maintenance and Disposal of Hydrodemolition Runoff. The price constitutes full compensation for transportation and disposal of the hydrodemolition wastewater, including all materials, labor, tools, vehicles, any necessary permits and approvals required to complete the disposal, and all incidentals necessary for finishing the work, complete and accepted.
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Source: Standard Specifications for Road and Bridge Construction (Blue Book), 2022 (Aug 2025 compilation) Edition. Pages 211–213 of 951. View official source ↗