SECTION 604 – GABION WALLS
604.01 Description
This Section describes the requirements for constructing gabion walls.
604.02 Materials
Provide materials as specified: Coarse Aggregate (No. 57) ................................ ................................ ................................ ............................ 901.03 Gabion Basket Stone ................................ ................................ ................................ ................................ ..... 901.09 Stabilization Geotextiles................................ ................................ ................................ ................................ 919.01 Gabion Wire Baskets................................ ................................ ................................ ................................ ..... 919.04
604.03 Construction
604.03.01 Gabion Wall
Excavate as specified in 202.03.03. Shape and compact the underlying material to produce a firm, even surface. Install the geotextile. If sections of geotextile need to be joined, overlap the sections a minimum of 18 inches. Permanently cover the geotextile within 48 hours of placement. Place and grade coarse aggregate without damaging the geotextile. At least 10 days before beginning the work, submit the manufacturer’s installation guide to the RE. Ensure that a representative from the manufacturer is at the work site during the first day of assembling the gabion basket and the first day of placing and filling the gabions. Install gabion walls according to the manufacturer’s recommendations.
604.04 Measurement and Payment
The Department will measure and make payment for Items as follows: Item Pay Unit GABION WALL CUBIC YARD
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