2-132 SECTION 230 – CONTAMINATED MATERIALS
230.01 DESCRIPTION . This work shall consist of the management and disposal of contaminated soil
and groundwater encountered during construction in accordance with these specifications.
230.02 GENERAL REQUIREMENTS . The Contractor shall follow the soil management plans (SMP ),
corrective action plans (CAP), and other supporting documentation incorporated by reference as part of the Contract. The work shall include identification, handling, sampling, testing, classification, segregation, temporary stockpiling, loading, transpo rtation, disposal, treatment, and final placement of the contaminated materials in accordance with any such referenced plan. The work will also include management, treatment, and disposal when contaminated groundwater is encountered. Initial excavation of the contaminated material shall be performed in accordance with the appropriate excavation item included in the Contract. The Contractor shall engage the services of an environmental professional (EP), as defined in ASTM E1527 , to prepare and submit a project operations plan (POP) to the Agency, provide environmental oversight, identify and classify contaminated soils, coordinate with and submit relevant documents to regulatory agencies, obtain any required regulatory permits, including, but not limited to National Pollutant Discharge Elimination System discharge permits or other deviations to the approved SMP or CAP. The EP shall also prepare and submit a project operations completion report (POCR).
230.03 SUBMITTALS . Prior t o the commencement of construction, the Contractor’s EP shall prepare
and submit to the Agency a site -specific POP in accordance with the referenced plans and all other relevant specifications in the Contract. The POP shall include the name and qualificat ions of the EP, discuss applicable authorizations, and propose and detail means and methods for meeting applicable regulatory requirements, including the following:
a.Separating clean soils from contaminated soil encountered during excavation.
b.Reduc ing the waste stream for soils that may be reused on site.
c.Identifying and getting locations approved for stockpiling contaminated soils.
d.Lining and capping stockpiles to prevent leachate, contaminated runoff, and wind impacts to contaminated soi ls and waste materials. 2-133 (e) Securing stockpiles from public access.
f.Inspecting and maintaining stockpiles until materials are characterized and properly disposed of or reused.
g.Dewatering, storing, characterizing, treating, and disposing of cont aminated water if encountered during excavation. Disposal of water deemed contaminated shall be in accordance with all applicable federal, state, and local rules and regulations. Contaminated water shall not be discharged to an existing municipal sanitary sewer without permission from the governing municipality.
h.Meeting all relevant VOSHA and OSHA requirements. No excavation will be allowed until the POP has been approved by the Engineer. During the work specified herein, the Contractor’s EP shall prov ide daily field reports documenting the oversight, management, and disposal operations in accordance with approved plans. Daily field reports shall be submitted to the Engineer on the following working day. Within 30 calendar days of the completion of all excavation, dewatering, and disposal activities, the Contractor’s EP shall prepare and submit a POCR to the Agency. The POCR shall include contaminated material shipping and disposal documentation, and all updates and closure documentation required by the Vermont Agency of Natural Resources. In the event that there are hazardous material releases resulting from Contractor activities, the POCR shall also include documentation necessary to support remedial actions taken to address any such releases.
230.04 CONSTRUCTION REQUIREMENTS . The Contractor’s EP shall be present on site during active
construction any time work specified herein is planned or can reasonably be anticipated. The EP shall oversee contaminated soil and groundwater management, train site work ers, and monitor contamination levels of excavated soils in accordance with the POP and as directed by the Engineer. The EP shall also be responsible for preparing material shipping records, hazardous waste manifests, and necessary documents to transport a nd dispose or recycle stockpiled material. The EP shall also obtain approval from recycling and disposal facilities for recycling or disposal and prepare necessary documents to support remedial actions for hazardous material releases resulting from the Con tractor’s activities. 2-134 The Agency’s Hazardous Materials and Waste Coordinator, or their representative, may also monitor the contamination levels of the excavated soils and groundwater for the Engineer and ensure that the Contract conditions and referenced plans are fully followed. If, during the excavation of contaminated material, the Contractor encounters conditions which differ from those expected, the Contractor shall immediately notify the Engineer. All excavation operations in the contamina ted area shall cease until the condition or situation can be evaluated by the Agency’s Hazardous Materials and Waste Coordinator and the Contractor’s EP. No additional compensation or allowance for additional Contract time will be made for any delays incur red in executing the soil management plan or corrective action plan . 230.0 5 METHOD OF MEASUREMENT . The quantity of Disposal of Contaminated Materials (N.A.B.I.) to be measured for payment will be the cost, in dollars, of trucking materials to a disposal facility plus the cost, in dollars, of disposing of the contaminated materials at the disposal facility. Costs will be calculated on a force account basis in accordance with Subsection 109.06 . When performed by the Contractor, trucking costs will be calcul ated in accordance with Subsection 109.06(c) and labor costs will be calculated in accordance with Subsection 109.06(a) . When performed by a subcontractor, trucking will be considered subcontracted work in accordance with Subsection 109.06(d) . The cost of disposal, as determined from disposal facility receipts, will be considered subcontracted work in accordance with Subsection 109.06(d) . Bills of lading or waste manifests , disposal fac ility receipts, and slips describing the type of trucking equipment and hours of use shall be furnished to the Engineer for each load delivered to a disposal facility. The quantity of Reuse of Contaminated Materials to be measured for payment will be the number of cubic yards of material stockpiled and reused in the complete and accepted work. The quantity of the Project Operations Plan and the Project Operations Completion Report will be paid for on a lump sum basis for the complete and accepted work. The quantity of Environmental Oversight to be measured for payment will be the number of hours of field work as documented in the reviewed and accepted field reports. When specified to be measured on a lump sum basis, the quantity of Management of Contaminat ed Groundwater to be measured for payment will be on a lump sum basis for the complete and accepted work. When specified to be measured by volume, the quantity of Management of Contaminated Groundwater to be measured for payment will be the number of thou sand gallons (MGAL) of water managed in the complete and accepted work. 2-135 230.06 BASIS OF PAYMENT . Payment for Disposal of Contaminated Materials (N.A.B.I.) will be full compensation for trucking costs, disposal facility tipping fees, and district solid waste fees. Costs for the initial excavation of material will be paid for under the appropriate excavation item included in the Contract. A value in dollars has been included in the bid proposal for Disposal of Contaminated Materials
N.A.B.I.). This amoun t will be adjusted to the actual cost of trucking and disposal, after review and approval of trucking slips and paid invoices. No additional payment will be made under this item. The accepted quantity of Reuse of Contaminated Materials will be paid for at the Contract unit price per cubic yard. Payment will be full compensation for handling, segregating, and installing the materials specified, and for furnishing all labor, tools, equipment, and incidentals necessary to complete the work. Costs for the init ial excavation of materials will be paid for under the appropriate excavation items included in the Contract. The accepted quantity of Project Operations Plan will be paid for at the Contract lump sum price. Payment will be full compensation for preparing, submitting, and revising, based on Agency comments, a report that meets the requirements set forth in the Contract, and subsequent management of the project site, including protecting stockpiles, decontamination of trucks and equipment, coordination and o ther activities required to maintain the site in compliance with the POP. The accepted quantity of Project Operations Completion Report will be paid for at the Contract lump sum price. Payment will be full compensation for completing any required waste pr ofiles for receiving facility acceptance; reviewing manifests and bills of lading for contaminated soils; coordinating and administering documentation and reimbursement submittals; and for providing all labor, management, administration, laboratory analysi s, and incidentals necessary to complete the work. The accepted quantity of Environmental Oversight will be paid for at the Contract unit price per hour. Payment will be full compensation for preparing daily field reports, field screening of excavated so il, collection of all samples, documentation of dewatering and groundwater treatment activities, and for providing all labor, equipment, and supplies necessary to complete the work. The accepted quantity of Management of Contaminated Groundwater will be pa id for at the Contract lump sum price or at the Contract unit price per thousand gallons (MGAL), as applicable. Payment will be full compensation for mobilization, installation, startup, operation, maintenance, monitoring, demobilization, decontamination, and proper disposal of all treatment media and residuals, and for providing all materials, labor, tools, equipment, and incidentals necessary to complete the work. 2-136 (a) Partial payments for Project Operations Plan will be made as follows:
1.The firs t payment of 50% of the lump sum price will be paid upon acceptance of the Project Operations Plan by the Agency.
2.The remaining 50% of the lump sum price will be paid when disposal activities are complete or stockpile areas have been closed out, whichever is later.
b.Partial payments for Management of Contaminated Groundwater paid by the lump sum will be made as fo llows:
1.The first payment of 50% of the lump sum price will be paid when the liquid treatment system is permitted, delivered to the site, and made fully operational.
2.The remaining 50% of the lump sum price will be paid when the liquid treatment sy stem is fully removed from the site and demobilized. Payment will be made under: Pay Item Pay Unit 230.0010 Disposal of Contaminated Materials (N.A.B.I.) ................................ .......Dollar 230.0020 Reuse of Contaminated Materials ................................ ............................. Cubic Yard 230.0030 Project Operations Plan ................................ ................................ ............. Lump Sum 230.0040 Project Operations Completion Report ................................ ..................... Lump Sum 230.0050 Environmental Oversight ................................ ................................ .......... Hour 230.0060 Management of Contaminated Groundwater ................................ ............ Lump Sum 230.0070 Management of Contaminated Groundwater ................................ ............ MGAL 2-137 SECTION 240 – TEMPORARY CONSTRUCTION ACCESS
240.01 DESCRIPTION . This work shall consist of constructing temporary construction access roads,
temporary causeways, temporary railroad access, and associated work areas for the project site as shown and descr ibed on the Plans , and restoring the disturbed areas to their original condition in accordance with the Plans and as directed by the Engineer.
240.02 MATERIALS . Unless otherwise specified in the Contract, the Contractor may use any material
or combination of materials that meet the approval of the Engineer.
240.03 GENERAL REQUIREMENTS . Prior to beginning the work covered under this section, the
Contractor shall submit to the Engineer site -specific plans, including all construction, erosion prevention and sediment control, and maintenance details, for providing temporary construction access as specified in the Contract. These details shall be developed in accordance with the requirements of Section 653 and will be considered a component of the overall proj ect EPSC Plan. These plans shall conform to any permits, both state and federal, which have been issued for the project, or the Contractor shall be responsible for obtaining the necessary amendments to those permits. These plans shall also include limits f or project demarcation fence and locations of erosion prevention and sediment control measures in the project areas affected by temporary access road and staging area construction. All work shall be performed within the project demarcation fence limits. The Contractor shall be responsible for designing and constructing temporary access measures suitable for their means and methods of construction. It shall be incumbent upon the Contractor to determine the level of protection required to safeguard the work, existing facilities, structures, and property. Any damage thereto shall be repaired by the Contractor at no additional expense to the Agency. Following construction, the temporary access measures shall be removed and the site restored to its original con ditions, unless otherwise specified on the Plans.
240.04 METHOD OF MEASUREMENT . The quantity of Temporary Access Road, Temporary
Causeway, and Temporary Railroad Access to be measured for payment will be on a lump sum basis for the complete and accepted w ork.
Source: Vermont Standard Specifications for Construction, 2024 Edition. Pages 272–276 of 1,380.