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Electrical (16000-16999)

703.19Granular Borrow, Material for Embankment Const ruction

ME · 2020 Standard SpecificationsBook pages 518518View official source ↗

614.032 Anchoring Components The anchoring system shall consi st of straight No. 4

steel reinforcing rods with an A TRA clip, or an approved equal, as end cap. Length shall be as specified in the manufacturer’s recommendations or the proje ct-specific design.

3 Granular Borrow Granular Borrow shall meet the requir ements of MaineDOT

4 Geocell Infill Material Geo cell infill material shall be as specified in the

project-specific design or as shown on the Plans and shall meet the requirements of the following specifications: L o a m 615.07 D i r t y B o r r o w 615.10 Aggregate for Crushed Stone Surface 703.12

5 Surface Treatment For geocell slopes with Loam infill , the surface treatment

shall consist of seed and an erosion control blanket. The seed shall meet the requirements MaineDOT Section 618-Seeding, Method Number 2, or as indicated on the project-specific design, Plans and Notes. The erosion control blanket shall mee t the requirements of MaineDOT Section 613-Erosion Cont rol Blanket. When infill othe r than loam is specified, the surface treatment shall be as indicated on the project-spec ific design, Plans or details.

614.04Construction Requirements The Geocell Slope Protection System shall have the

following construction requirements:

A.Subgrade Preparation.
1.Prepare the subgrade by removing the all existing vegetation and loose surficial soils

from the slope.

2.Excavate and the slope section as needed. 3. Place, compact, and shape Granular Borrow as needed, so that when placed the top of

installed geocell section is flush with or slightly lower that the final grade as indicated on the Plans.

4.Install non-woven erosion control geotextile underlayer, if required, on the prepared

surface, ensuring required overlaps are maintained and outered ge of geotextile are buried a minimum of 6 in. below grade.

B.Placement and Anchoring.
1.Anchor geocell sections at the crest of the slope or as per manufacturer’s

recommendations. Use type of anchor and frequency of anchoring as indicated on the shop drawings.

2.Expand geocell sections down slope. Confirm each geocellse ction is expanded

uniformly to required dimensions and outer cells of each layer are correctly aligned.

3.Interleaf edges of adjacent sections. Ensure that the upper surface of adjoining

geocell sections are flush at the joint and adjoining cells are fully anchored. Anchor with specified anchors in prescribed pattern throughout the slo pe surface.

Source: Maine Standard Specifications for Road and Bridge Construction, 2020 Edition. Pages 518518 of 817.