5-117 There shall be no additional payment for repeated inspection by the Department of the same cofferdam excavation. All costs for cofferdams and related temporary soil erosion and water pollution controls, including inspection and maintenance, will be considered incide ntal to related Pay Items, when a specific Pay Item for cofferdams is not included in the Contract. Seal concrete will be evaluated under Section 502. Payment will be made under: P a y I t e m P a y U n i t
511.07 Cofferdam L u m p S u m
SECTION 512 - FRENCH DRAINS
512.01 Description This work shall consist of furnishing, plac ing and compacting stone
and gravel and furnishing and placing erosion control geotextil e for French drains in accordance with these specifications and in reasonably close co nformity with the lines and grades shown in the Contract.
512.02 Materials. Materials shall meet the requirements of the following Sections of
Division 700 — , Materials.
Aggregate for Subbase 703.06(b) G r a v e l B o r r o w 703.20 Stone for French Drains 703.24 Erosion Control Geotextile 722.03 (Class 1) Gravel for French drains shall meet the requirements of either Aggregate for Subbase, Type D, or Gravel Borrow, at the Contractor's option.
512.03 Drains Stone shall be placed behind and against the str uctures with the bottom
of the stone at the elevation of the flow line of the weeper dr ains. The stone shall form a box section, 2 feet wide and 2 feet high, for the entire length of the structure. Erosion control geotextile shall be installed to separate the stone box section from the surrounding gravel. Installation of the erosion control geotextile shall b e in accordance with Section 620, Geotextiles. Gravel shall be placed to form a box section around the stone, to the limits of 2 feet above the stone, 2 feet behind the stone and 2 feet b elow the stone, but not to be placed below the top of the footing.