2−59damage sustained by said controls under normal rainfall may be repaired under the maintenance provisions set forth herein. However, under abnormal weather events it is possible that erosion and pollution controls may be damaged to the extent that the Engineer may direct that they be replaced in their entirety. Under such abnormal conditions the Contractor will replace the particular facilities, and be compensated for same, under the applicable provisions of SECTIONS 206, 207, 208, 209 and 210; PERIMETER CONTROLS, CHECK DAMS, TEMPORARY DEWATERING BASINS, STORM DRAIN PROTECTION, and STILLING BASINS, respectively, of these Specifications.
a.Abnormal Weather Conditions. For the purposes of this Subsection 212.03.4 , abnormal weather events are defined as follows:
1.For a duration of 1 hour; rainfall equal to or greater than ½-inch.
2.For a duration of 12 hours; rainfall equal to or greater than 2 inches.
3.For a duration of 24 hours; rainfall equal to or greater than 3 inches.
4.Extreme weather conditions such as hurricanes, tornadoes, floods, blizzards, etc. Daily rainfall records may be obtained from the National Weather Service.
212.04 METHOD OF MEASUREMENT. “Maintenance and Cleaning of Erosion and Pollution
Controls” as specified in this Section will not be measured by a single unit of measurement usually associated with a specific Proposal item. Rather, this work will be documented and paid for on a Force Account basis as set forth in Subsection 212.05 .
212.05 BASIS OF PAYMENT. The “Maintenance and Cleaning of Erosion and Pollution Controls”
will be paid for on a Force Account basis as set forth in Subsection 109.04; Differing Site Conditions, Changes, Extra Work and Force Account Work; Para. a (4) of these Specifications. The estimated total amount established by the D epartment and indicated for this item in the Schedule of Prices in the Proposal is the amount from which said Force Account payments will be drawn. SECTION 213 PLACEMENT OF MILLINGS BENEATH GUARDRAIL 213.01 DESCRIPTION . This work consists of the placement of bituminous millings from cold planing operations at all guardrail locations less t han 2 feet from the edge of the existing pavement, or as indicated on the Plans, and/or as directed by the Engineer, all in accordance with these Specifications. 2−60 213.02 MATERIALS . Millings shall consist of bituminous material removed from the project roadway during cold planing operations and ground or crushed such that 100 percent of the material passes a 1-inch sieve. Millings shall be obtained from stockpiled locations on the project site, and shall be free of debris, topsoil and soil clumps. Millings may not be obtained from off-site sources unless specifically authorized by the Engineer. 213.03 CONSTRUCTION METHODS . The Contractor shall grade beneath the guardrail such that the finish surface of the millings is flush with the bituminous berm or edge of pavement. The millings shall be placed to a point 1 foot behind the guardrail post, and shaped, compacted and sloped to drain away from the pavement. The Cont ractor will not be allowed to dismantle the guardrail to perform any work associated with this item. The stockpiling of millings shall be restricted to approved, on-site locations, and in no instance will stockpiling of millings be allowed on the roadway shoulder or immediately adjacent to a travel lane. The Contractor shall use a suitable means to excavate and remove the material beneath the guardrail such that damage to the guardrail does not result, and to place the millings as indicated on the Plans or as directed by the Engineer. All material that is removed from beneath the guardrail, including excess millings, shall be legally disposed of. 213.04 METHOD OF MEASUREMENT . “Placement of Millings Beneath Guardrail” will be measured by the number of linear feet of guardra il for which millings were actually placed in accordance with the Plans and/or as directed by the Engineer. 213.05 BASIS OF PAYMENT . The accepted quantity of “Placement of Millings Beneath Guardrail” will be paid for at the contract unit price per linear f oot as listed in the Propos al. The price so-stated constitutes full and complete compensation for all labor, equipment and tools, including removal and disposal of the existing material, and all incidentals required to finish the work, complete and accepted by the Engineer. SECTION 214 CONTAINMENT SYSTEM FOR CONTROL OF HYDRODEMOLITION RUNOFF AND MAINTENANCE AND DISPOSAL OF HYDRODEMOLITION RUNOFF
214.01 DESCRIPTION . This work consists of the provision of an on-site containment system for
runoff from hydrodemolition operations, a system wh ich shall provide for the temporary storage of discharge from the hydrodemolition operations, allow for the settlement of suspended materials from the hydrodemolition runoff, and enable the colle ction of sediments and other materials from the containment system for off-site disposal. 214.02 MATERIALS . Any use of materials not specifically included on the Plans and/or in this Specification shall require the prior approval of the Engineer.
Source: Rhode Island Standard Specifications (Bluebook), 2024 Edition. Pages 169–170 of 826.