EPSG:10280

PROJCS["RBEPP12 Grid",
    GEOGCS["RBEPP12-IRF",
        DATUM["RBEPP12_Intermediate_Reference_Frame",
            SPHEROID["GRS 1980",6378137,298.257222101,
                AUTHORITY["EPSG","7019"]],
            AUTHORITY["EPSG","1352"]],
        PRIMEM["Greenwich",0,
            AUTHORITY["EPSG","8901"]],
        UNIT["degree",0.0174532925199433,
            AUTHORITY["EPSG","9122"]],
        AUTHORITY["EPSG","10277"]],
    PROJECTION["Lambert_Conformal_Conic_2SP"],
    PARAMETER["latitude_of_origin",50.85],
    PARAMETER["central_meridian",-3.25],
    PARAMETER["standard_parallel_1",50.3],
    PARAMETER["standard_parallel_2",51.45],
    PARAMETER["false_easting",372382.8292],
    PARAMETER["false_northing",217764.7796],
    UNIT["metre",1,
        AUTHORITY["EPSG","9001"]],
    AXIS["Easting",EAST],
    AXIS["Northing",NORTH],
    AUTHORITY["EPSG","10280"]]

PROJCRS["RBEPP12 Grid",
    BASEGEOGCRS["RBEPP12-IRF",
        DATUM["RBEPP12 Intermediate Reference Frame",
            ELLIPSOID["GRS 1980",6378137,298.257222101,
                LENGTHUNIT["metre",1]]],
        PRIMEM["Greenwich",0,
            ANGLEUNIT["degree",0.0174532925199433]],
        ID["EPSG",10277]],
    CONVERSION["RBEPP12-LCC",
        METHOD["Lambert Conic Conformal (2SP)",
            ID["EPSG",9802]],
        PARAMETER["Latitude of false origin",50.85,
            ANGLEUNIT["degree",0.0174532925199433],
            ID["EPSG",8821]],
        PARAMETER["Longitude of false origin",-3.25,
            ANGLEUNIT["degree",0.0174532925199433],
            ID["EPSG",8822]],
        PARAMETER["Latitude of 1st standard parallel",50.3,
            ANGLEUNIT["degree",0.0174532925199433],
            ID["EPSG",8823]],
        PARAMETER["Latitude of 2nd standard parallel",51.45,
            ANGLEUNIT["degree",0.0174532925199433],
            ID["EPSG",8824]],
        PARAMETER["Easting at false origin",372382.8292,
            LENGTHUNIT["metre",1],
            ID["EPSG",8826]],
        PARAMETER["Northing at false origin",217764.7796,
            LENGTHUNIT["metre",1],
            ID["EPSG",8827]]],
    CS[Cartesian,2],
        AXIS["(E)",east,
            ORDER[1],
            LENGTHUNIT["metre",1]],
        AXIS["(N)",north,
            ORDER[2],
            LENGTHUNIT["metre",1]],
    USAGE[
        SCOPE["Engineering survey and topographic mapping for railway applications."],
        AREA["United Kingdom (UK) - on or related to the rail route from Reading via Newbury to Penzance."],
        BBOX[50.05,-5.63,51.7,-0.85]],
    ID["EPSG",10280]]

PROJCS["RBEPP12_Grid",
    GEOGCS["GCS_RBEPP12-IRF",
        DATUM["RBEPP12_Intermediate_Reference_Frame",
            SPHEROID["GRS_1980",6378137.0,298.257222101]],
        PRIMEM["Greenwich",0.0],
        UNIT["Degree",0.0174532925199433]],
    PROJECTION["Lambert_Conformal_Conic"],
    PARAMETER["False_Easting",372382.8292],
    PARAMETER["False_Northing",217764.7796],
    PARAMETER["Central_Meridian",-3.25],
    PARAMETER["Standard_Parallel_1",50.3],
    PARAMETER["Standard_Parallel_2",51.45],
    PARAMETER["Latitude_Of_Origin",50.85],
    UNIT["Meter",1.0]]

proj4.defs("EPSG:10280","+proj=lcc +lat_0=50.85 +lon_0=-3.25 +lat_1=50.3 +lat_2=51.45 +x_0=372382.8292 +y_0=217764.7796 +ellps=GRS80 +units=m +no_defs +type=crs");

{
    "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
    "type": "ProjectedCRS",
    "name": "RBEPP12 Grid",
    "base_crs": {
        "name": "RBEPP12-IRF",
        "datum": {
            "type": "GeodeticReferenceFrame",
            "name": "RBEPP12 Intermediate Reference Frame",
            "ellipsoid": {
                "name": "GRS 1980",
                "semi_major_axis": 6378137,
                "inverse_flattening": 298.257222101
            }
        },
        "coordinate_system": {
            "subtype": "ellipsoidal",
            "axis": [
                {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                },
                {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                }
            ]
        },
        "id": {
            "authority": "EPSG",
            "code": 10277
        }
    },
    "conversion": {
        "name": "RBEPP12-LCC",
        "method": {
            "name": "Lambert Conic Conformal (2SP)",
            "id": {
                "authority": "EPSG",
                "code": 9802
            }
        },
        "parameters": [
            {
                "name": "Latitude of false origin",
                "value": 50.85,
                "unit": "degree",
                "id": {
                    "authority": "EPSG",
                    "code": 8821
                }
            },
            {
                "name": "Longitude of false origin",
                "value": -3.25,
                "unit": "degree",
                "id": {
                    "authority": "EPSG",
                    "code": 8822
                }
            },
            {
                "name": "Latitude of 1st standard parallel",
                "value": 50.3,
                "unit": "degree",
                "id": {
                    "authority": "EPSG",
                    "code": 8823
                }
            },
            {
                "name": "Latitude of 2nd standard parallel",
                "value": 51.45,
                "unit": "degree",
                "id": {
                    "authority": "EPSG",
                    "code": 8824
                }
            },
            {
                "name": "Easting at false origin",
                "value": 372382.8292,
                "unit": "metre",
                "id": {
                    "authority": "EPSG",
                    "code": 8826
                }
            },
            {
                "name": "Northing at false origin",
                "value": 217764.7796,
                "unit": "metre",
                "id": {
                    "authority": "EPSG",
                    "code": 8827
                }
            }
        ]
    },
    "coordinate_system": {
        "subtype": "Cartesian",
        "axis": [
            {
                "name": "Easting",
                "abbreviation": "E",
                "direction": "east",
                "unit": "metre"
            },
            {
                "name": "Northing",
                "abbreviation": "N",
                "direction": "north",
                "unit": "metre"
            }
        ]
    },
    "scope": "Engineering survey and topographic mapping for railway applications.",
    "area": "United Kingdom (UK) - on or related to the rail route from Reading via Newbury to Penzance.",
    "bbox": {
        "south_latitude": 50.05,
        "west_longitude": -5.63,
        "north_latitude": 51.7,
        "east_longitude": -0.85
    },
    "id": {
        "authority": "EPSG",
        "code": 10280
    }
}

<?xml version="1.0" encoding="utf-8"?>
<Map srs="+proj=lcc +lat_0=50.85 +lon_0=-3.25 +lat_1=50.3 +lat_2=51.45 +x_0=372382.8292 +y_0=217764.7796 +ellps=GRS80 +units=m +no_defs +type=crs">
	<Layer srs="+proj=lcc +lat_0=50.85 +lon_0=-3.25 +lat_1=50.3 +lat_2=51.45 +x_0=372382.8292 +y_0=217764.7796 +ellps=GRS80 +units=m +no_defs +type=crs">
	</Layer>
</Map>

INSERT into spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext) values ( 10280, 'EPSG', 10280, '+proj=lcc +lat_0=50.85 +lon_0=-3.25 +lat_1=50.3 +lat_2=51.45 +x_0=372382.8292 +y_0=217764.7796 +ellps=GRS80 +units=m +no_defs +type=crs', 'PROJCS["RBEPP12 Grid",GEOGCS["RBEPP12-IRF",DATUM["RBEPP12_Intermediate_Reference_Frame",SPHEROID["GRS 1980",6378137,298.257222101,AUTHORITY["EPSG","7019"]],AUTHORITY["EPSG","1352"]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","10277"]],PROJECTION["Lambert_Conformal_Conic_2SP"],PARAMETER["latitude_of_origin",50.85],PARAMETER["central_meridian",-3.25],PARAMETER["standard_parallel_1",50.3],PARAMETER["standard_parallel_2",51.45],PARAMETER["false_easting",372382.8292],PARAMETER["false_northing",217764.7796],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Easting",EAST],AXIS["Northing",NORTH],AUTHORITY["EPSG","10280"]]');