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"Biofiltration Catch Basin ", per each.
<br /> The unit contract price per each for "Biofiltration Catch Basin "shall be full pay for all work to
<br /> complete the installation, including but not limited to: excavation, hauling and disposal of
<br /> excavated materials; furnishing and installing catch basins and inlets; compacting and testing
<br /> backfill materials; adjusting catch basins and inlets to grade; furnishing and installing all
<br /> connecting pipes and lids; and cleanup. Unless listed as a separate pay item, all materials, labor,
<br /> equipment and incidentals necessary to install catch basins and inlets shall be included in these
<br /> pay items.
<br /> Biofiltration Catch Basin shall include furnishing and installing filter media, underdrain pipe, plant
<br /> material, and tree grate in accordance with the manufacturer's requirements. The unit Contract
<br /> price per each also includes furnishing and installing the 4" diameter outlet pipe and downstream
<br /> concrete inlet as shown in the plans, concrete curb, connections, and annual maintenance of the
<br /> bioretention filtration structure system for a period of one year after system installation.
<br /> "Catch Basin Type 2, 48 In. Diam. with Oil Pollution Control Riser", per each.
<br /> "Catch Basin Type 2, 60 In. Diam. with Overflow Riser", per each.
<br /> The unit contract price per each for"Catch Basin Type 2, 48 In. Diam. with Oil Pollution Control
<br /> Riser" or"Catch Basin Type 2, 60 In. Diam with Overflow Riser" shall be full pay for all work to
<br /> complete the installation, including but not limited to: excavation, hauling and disposal of
<br /> excavated materials; furnishing and installing catch basins and inlets; compacting and testing
<br /> backfill materials; adjusting catch basins and inlets to grade; furnishing and installing all
<br /> connecting pipes and lids; and cleanup. Unless listed as a separate pay item, all materials, labor,
<br /> equipment and incidentals necessary to install control structures/risers and connections to
<br /> corresponding stormwater facilities shall be included in these pay items.
<br /> "Infiltration Chamber Gallery" per lump sum.
<br /> The lump sum price for"Infiltration Chamber Gallery" shall be full compensation for all labor,
<br /> material, tools, and equipment to furnish and install the stormwater infiltration facilities including
<br /> inspection ports and cover boxes, infiltration gravel and all items contained within the outermost
<br /> non-woven geotextile wrap including, but not limited to, the chambers and end caps, including
<br /> preparation of structural submittals; pipe and pipe connections to inlet and outlet catch basins;
<br /> manifold pipe between chambers; furnishing, installing, and compacting bedding and backfill
<br /> materials; furnishing and installing woven and non-woven geotextile, and all incidentals
<br /> necessary to completed the installation in accordance to the plan, specification, and
<br /> manufacturers recommendation.
<br /> All costs for shoring for infiltration galleries shall be included in the bid item Shoring or Extra
<br /> Excavation Class A.
<br /> "Stormwater Detention Tank System", per lump sum.
<br /> The unit contract price per lump sum for"Stormwater Detention Tank System" shall be full
<br /> compensation for furnishing all labor, materials, tools, and equipment necessary to construct the
<br /> tanks as shown and specified in the Plans. This includes, but is not limited to, the design,
<br /> fabrication, transportation, installation and testing of the tanks, excavation for the tanks,
<br /> installation of grates, inlet and outlet stubs, risers, solid locking lids, ladders, and connection of
<br /> storm sewer pipes including concrete collars.
<br /> All costs for dewatering, treatment, and all related BMP's and temporary erosion control
<br /> required to remove excess water from the Detention Tank sites, in compliance with these
<br /> Swift Green Line—Corridor Stations Special Provisions SP101
<br /> May 2017
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