{
    "reference": [
        {
            "keyword": "P3",
            "context": "$ 500 $ 4\" Class 2 rock below Concrete Paving (P2,P3) 6,815 SF 1.90 $ 12,949 $ Division 31 - EARTHWORK"
        },
        {
            "keyword": "P3",
            "context": "r Concrete 139,708 $ 4\" Color Concrete Paving (P2,P3) 6,815 SF 20.50 $ 139,708 $ Walls 25,080 $ Gabion"
        },
        {
            "keyword": "P3",
            "context": "550 SF 18.50 $ 65,675 $ 4\" Color Concrete Paving (P3) 1,230 SF 21.00 $ 25,830 $ Vertical Curb (VC/C1.1"
        }
    ]
}