2−47with the Plans and/or as directed by the Engineer.
207.04.2 Log and Hay Check Dams. "Log and Hay Check Dams" will be measured by the
number of linear feet actually installed in accordance with the Plans and/or as directed by the Engineer. 207.04.3 Sand Bag Erosion Checks. "Sand Bag Erosion Checks" will be measured by the number of sand bags actually provided in accordance with the Plans and/or as directed by the Engineer.
207.04.4 Stone Check Dams. "Stone Check Dams" will be measured by the number of cubic feet
of stone actually placed in accordance with the Plans and/or as directed by the Engineer.
207.04.5 Compost Filter Sock Ditch and Swale Erosion Checks. “ Compost Filter Sock Ditch
and Swale Erosion Checks” of the various sizes as indicated on the plans will be measured by the number of linear feet of continuous runs of such co mpost filter sock actually installed in accordance with the Plans and/or as directed by the Engineer.
207.05 Basis of Payment.
207.05.1 Baled Hay Ditch and Swale Erosion Checks. The accepted quantity of "Baled Hay
Ditch and Swale Erosion Checks" will be paid for at the contract unit price per li near foot as listed in the Proposal. The price so-stated constitutes full and complete compensation for all labor, materials, and equipment including excavation, hay bales, stakes, the subsequent removal of bales and stakes, backfill, grading, seeding, and all incidentals required to finish the work, complete and accepted by the Engineer. 207.05.2 Log and Hay Check Dams. The accepted quantity of "Log and Hay Check Dams" will be paid for at the contract unit price per linear foot as listed in the Proposal. The price so-stated constitutes full and complete compensation for all labor, materials, and equipment including hay bales, logs, nails, crushed stone wedge, ballast st ones, the subsequent removal of the log and hay dam, grading, seeding, and all incidentals required to finish the work, complete and accepted by the Engineer. 207.05.3 Sand Bag Erosion Checks. The accepted quantity of "Sand Bag Erosion Checks" will be paid for at the contract unit price per each bag as listed in the Proposal. The price so-stated constitutes full and complete compensation for all labor, equipment and materials, including bags, sand, the subsequent removal of sand bags, and all incidentals required to finish the work, complete and accepted by the Engineer. 207.05.4 Stone Check Dams. The accepted quantity of "Stone Check Dams" will be paid for at the contract unit price per cubic foot as listed in the Proposal. The price so-stated constitutes full and complete compensation for all labor, materi als, and equipment, the subsequent removal of the stone, and all incidentals required to finish the work, complete and accepted by the Engineer.
207.05.5 Compost Filter Sock Ditch and Swale Erosion Checks. The accepted quantity of
“Compost Filter Sock Ditch and Swale Erosion Checks” will be paid for at the contract unit prices per linear foot as listed in the Proposal. The price so-stated constitutes full and complete compensation for all labor, materials and equipment, including mesh filter socks, removal of mesh filter socks, compost filter material, stakes, removal of stakes, removal and disposal of entrapped 2−48 material, backfill material, grading, raking and seeding as necessary to match the surrounding area, and all incidentals required to finish the work complete and accepted by the Engineer.
207.05.6 Cleaning and Maintenance. The cleaning and maintenance of Baled Hay Ditch and
Swale Erosion Checks, Log and Hay Check Dams, Sand Bag Erosion Checks, Stone Check Dams and Compost Filter Sock Ditch and Erosion checks will be paid for under the provisions of SECTION 212; MAINTENANCE AND CLEANING OF EROSION AND POLLUTION CONTROLS. SECTION 208 TEMPORARY DEWATERING BASINS
208.01 DESCRIPTION. This work consists of the provision of temporary dewatering basins for the
purpose of controlling water pollution caused by sediment-laden discharge from excavation sites. The basins shall be constructed in reasonably close conformity with the dimensions and details indicated on the Plans or as directed by the Engineer, all in accordance with these Specifications. Temporary dewatering basins consist of the following two types: 208.01.1 Dewatering Basin. The basin consists of a rectangular concrete barrier enclosure, the bottom and sides of which are lined with filter fabric . The bottom fabric is stabilized with filter stone. The basin is divided into the required number of 12-foot sections by stone berms approximately 18 inches high. The entire unit is constructed as indicated on the Plans. 208.01.2 Filter Fabric Retention Basin. The basin consists of a rectangular enclosure formed by a 2-foot high chain link fence. Both the fence and the bottom of the enclosure are lined with filter fabric which is stabilized by a layer of rock riprap. The entire unit is constructed as indicated on the Plans. 208.02 MATERIALS. 208.02.1 Dewatering Basins. Precast concrete barrier units shall conform to details indicated on the Plans and to the applicable requirements of SECTION 909 of these Specifications. Filter fabric shall conform to the applicable requirements of Subsection 206.02.2; Silt Fence , of these Specifications. Filter stone shall conform to the requirements of Subsection M.01.09, Table I, Column V of these Specifications. Sand bags shall be of a quality acceptable to the Engineer. Hay bales and wood stakes shall conform to the requirements of Subsection 206.02.1 of these Specifications. 208.02.2 Filter Fabric Retention Basins. The fence shall conform to the requirements for Type I Chain Link Fence as set forth in SECTION 903 of these Specifications. Wood posts shall be 2-inch by 2-inch oak and at least 3 feet in length. Filter fabric shall conform to the requirements for same as set forth in Subsection 206.02.2 of these Specifications. The layer of stone over the bottom of the basin shall meet the requirements of Subsection M.10.03.2 for Modified NSA Class R-4 riprap.
208.03 CONSTRUCTION METHODS. Those erosion and pollution controls indicated on the Plans
shall be installed and approved by the Engineer before the commencement of any drainage,