{
    "data": [
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                "1200":{"Pipe and Gravel":420, "Chambers":300},
                "1500":{"Pipe and Gravel":520, "Chambers":355},
                "2000":{"Pipe and Gravel":700, "Chambers":490},
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                "2500":{"Pipe and Gravel":875, "Chambers":613}
            },
            "4": 
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                "1500":{"Pipe and Gravel":600, "Chambers":420},
                "2000":{"Pipe and Gravel":800, "Chambers":560},
                "2250":{"Pipe and Gravel":900, "Chambers":630},
                "2500":{"Pipe and Gravel":1000, "Chambers":700}
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            "5": 
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                "1000":{"Pipe and Gravel":450, "Chambers":315},
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                "1500":{"Pipe and Gravel":710, "Chambers":500},
                "2000":{"Pipe and Gravel":900, "Chambers":630},
                "2250":{"Pipe and Gravel":1013, "Chambers":709},
                "2500":{"Pipe and Gravel":1125, "Chambers":788}
            },
            "6": 
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                "1500":{"Pipe and Gravel":740, "Chambers":530},
                "2000":{"Pipe and Gravel":980, "Chambers":682},
                "2250":{"Pipe and Gravel":1110, "Chambers":767},
                "2500":{"Pipe and Gravel":1230, "Chambers":852}
            },
            "7": 
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                "1500":{"Pipe and Gravel":800, "Chambers":564},
                "2000":{"Pipe and Gravel":1060, "Chambers":734},
                "2250":{"Pipe and Gravel":1200, "Chambers":826},
                "2500":{"Pipe and Gravel":1330, "Chambers":917}
            },
            "8": 
            {
                "1000":{"Pipe and Gravel":570, "Chambers":392},
                "1200":{"Pipe and Gravel":680, "Chambers":470},
                "1500":{"Pipe and Gravel":850, "Chambers":597},
                "2000":{"Pipe and Gravel":1140, "Chambers":786},
                "2250":{"Pipe and Gravel":1280, "Chambers":884},
                "2500":{"Pipe and Gravel":1420, "Chambers":982}
            },
            "9": 
            {
                "1000":{"Pipe and Gravel":600, "Chambers":418},
                "1200":{"Pipe and Gravel":720, "Chambers":501},
                "1500":{"Pipe and Gravel":900, "Chambers":631},
                "2000":{"Pipe and Gravel":1200, "Chambers":838},
                "2250":{"Pipe and Gravel":1350, "Chambers":942},
                "2500":{"Pipe and Gravel":1500, "Chambers":1047}
            },
            "10": 
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                "1000":{"Pipe and Gravel":635, "Chambers":445},
                "1200":{"Pipe and Gravel":760, "Chambers":530},
                "1500":{"Pipe and Gravel":950, "Chambers":665},
                "2000":{"Pipe and Gravel":1272, "Chambers":890},
                "2250":{"Pipe and Gravel":1429, "Chambers":1000},
                "2500":{"Pipe and Gravel":1588, "Chambers":1112}
            },
            "11": 
            {
                "1000":{"Pipe and Gravel":670, "Chambers":464},
                "1200":{"Pipe and Gravel":800, "Chambers":556},
                "1500":{"Pipe and Gravel":1000, "Chambers":695},
                "2000":{"Pipe and Gravel":1330, "Chambers":929},
                "2250":{"Pipe and Gravel":1500, "Chambers":1044},
                "2500":{"Pipe and Gravel":1660, "Chambers":1161}
            },
            "12": 
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                "1000":{"Pipe and Gravel":700, "Chambers":483},
                "1200":{"Pipe and Gravel":840, "Chambers":581},
                "1500":{"Pipe and Gravel":1040, "Chambers":725},
                "2000":{"Pipe and Gravel":1390, "Chambers":968},
                "2250":{"Pipe and Gravel":1560, "Chambers":1088},
                "2500":{"Pipe and Gravel":1740, "Chambers":1210}
            },
            "13": 
            {
                "1000":{"Pipe and Gravel":730, "Chambers":503},
                "1200":{"Pipe and Gravel":870, "Chambers":605},
                "1500":{"Pipe and Gravel":1090, "Chambers":755},
                "2000":{"Pipe and Gravel":1450, "Chambers":1007},
                "2250":{"Pipe and Gravel":1630, "Chambers":1132},
                "2500":{"Pipe and Gravel":1810, "Chambers":1260}
            },
            "14": 
            {
                "1000":{"Pipe and Gravel":750, "Chambers":552},
                "1200":{"Pipe and Gravel":900, "Chambers":630},
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                "2000":{"Pipe and Gravel":1500, "Chambers":1046},
                "2250":{"Pipe and Gravel":1690, "Chambers":1176},
                "2500":{"Pipe and Gravel":1880, "Chambers":1309}
            },
            "15": 
            {
                "1000":{"Pipe and Gravel":775, "Chambers":545},
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                "2000":{"Pipe and Gravel":1550, "Chambers":1085},
                "2250":{"Pipe and Gravel":1744, "Chambers":1220},
                "2500":{"Pipe and Gravel":1940, "Chambers":1360}
            }
        }
    ]
}