{ "format": "mistral-image-index-1", "document_id": "2023_BMP_9_9", "path_base": "knowledge-base root", "assets": [ { "source_pdf": "BMP_2023/2023_BMP_9_9_Small_Scale_Sand_Filters.pdf", "source_pdf_sha256": "8ee8c4016d37ca1b1e7f9a6f9010d23e11f20401592caa03d0c41f8d630d0de5", "source_manifest": "BMP_2023/raw/2023_BMP_9_9_Small_Scale_Sand_Filters/manifest.json", "source_manifest_sha256": "e4df8f243ff21f58162342dfd10496cc958413fbd0c3a037c7520965a9e223f4", "source_response": "BMP_2023/raw/2023_BMP_9_9_Small_Scale_Sand_Filters/response.json", "source_response_sha256": "26366ff54944a9420cec246d7f1abe5fa256960a96686476f4f3b50f8258844c", "source_image": "BMP_2023/raw/2023_BMP_9_9_Small_Scale_Sand_Filters/pages/page-0001-img-01.jpg", "sha256": "a29e4700c3e3c1d2ef3dfd444d397706a26ecdff804338d823b32f9486b5822c", "bytes": 21551, "pdf_page": 1, "ordinal": 1, "ocr_image_id": "img-0.jpeg", "local_path": "images/page-0001-img-01.jpg", "bbox_pixels": [ 268, 297, 630, 688 ], "page_dimensions": { "dpi": 200, "height": 2200, "width": 1700 }, "ocr_provider": "mistral", "ocr_model": "mistral-ocr-latest", "context_excerpt": "# 9.9 SMALL-SCALE SAND FILTERS (GI)\n\n[OCR image]\n\nSmall-scale sand filters are stormwater management systems designed to maximize the removal of pollutants from stormwater runoff. A small-scale sand filter consists of a pre-treatment zone and a treatment zone, which includes the sand bed as the filter media and its underlying materials. Pollutants are treated through settling, filtration and adsorption by the sand bed prior to discharging stormwater r", "asset_id": "2023_BMP_9_9__image__0001__01__1724ba67", "document_id": "2023_BMP_9_9", "path": "BMP/2023/09.09 - Small-Scale Sand Filters/images/page-0001-img-01.jpg", "association": "exact_source_pdf_and_page", "record_ids": [ "2023_BMP_9_9__0001__001", "2023_BMP_9_9__0001__002", "2023_BMP_9_9__0001__003", "2023_BMP_9_9__0001__004", "2023_BMP_9_9__0001__005", "2023_BMP_9_9__0001__006", "2023_BMP_9_9__table__00001" ], "direct_record_ids": [ "2023_BMP_9_9__0001__001", "2023_BMP_9_9__0001__002", "2023_BMP_9_9__0001__003", "2023_BMP_9_9__0001__004", "2023_BMP_9_9__0001__005", "2023_BMP_9_9__0001__006", "2023_BMP_9_9__table__00001" ], "table_record_ids": [ "2023_BMP_9_9__table__00001" ], "display_asset_id": "2023_BMP_9_9__image__0001__01__1724ba67" }, { "source_pdf": "BMP_2023/2023_BMP_9_9_Small_Scale_Sand_Filters.pdf", "source_pdf_sha256": "8ee8c4016d37ca1b1e7f9a6f9010d23e11f20401592caa03d0c41f8d630d0de5", "source_manifest": "BMP_2023/raw/2023_BMP_9_9_Small_Scale_Sand_Filters/manifest.json", "source_manifest_sha256": "e4df8f243ff21f58162342dfd10496cc958413fbd0c3a037c7520965a9e223f4", "source_response": "BMP_2023/raw/2023_BMP_9_9_Small_Scale_Sand_Filters/response.json", "source_response_sha256": "26366ff54944a9420cec246d7f1abe5fa256960a96686476f4f3b50f8258844c", "source_image": "BMP_2023/raw/2023_BMP_9_9_Small_Scale_Sand_Filters/pages/page-0003-img-01.jpg", "sha256": "02446fbdd20fa92d3e46054cd1eebc7cbbab707e98874356dfb00e8adc959413", "bytes": 2054, "pdf_page": 3, "ordinal": 1, "ocr_image_id": "img-1.jpeg", "local_path": "images/page-0003-img-01.jpg", "bbox_pixels": [ 207, 301, 355, 382 ], "page_dimensions": { "dpi": 200, "height": 2200, "width": 1700 }, "ocr_provider": "mistral", "ocr_model": "mistral-ocr-latest", "context_excerpt": "# Applications\n\n[OCR image]\n\nPursuant to N.J.A.C. 7:8-5.2(a)(2), the minimum design and performance standards for groundwater recharge, stormwater runoff quality and stormwater runoff quantity at N.J.A.C. 7:8-5.4, 5.5 and 5.6 shall be met by incorporating green infrastructure in accordance with N.J.A.C. 7:8-5.3.\n\n[OCR image]\n\nSmall-scale sand filters may be designed to convey storm events larger than the Water Qualit", "asset_id": "2023_BMP_9_9__image__0003__01__c243009e", "document_id": "2023_BMP_9_9", "path": "BMP/2023/09.09 - Small-Scale Sand Filters/images/page-0003-img-01.jpg", "association": "exact_source_pdf_and_page", "record_ids": [ "2023_BMP_9_9__0003__001" ], "direct_record_ids": [ "2023_BMP_9_9__0003__001" ], "table_record_ids": [], "display_asset_id": "2023_BMP_9_9__image__0003__01__c243009e" }, { "source_pdf": "BMP_2023/2023_BMP_9_9_Small_Scale_Sand_Filters.pdf", "source_pdf_sha256": "8ee8c4016d37ca1b1e7f9a6f9010d23e11f20401592caa03d0c41f8d630d0de5", "source_manifest": "BMP_2023/raw/2023_BMP_9_9_Small_Scale_Sand_Filters/manifest.json", "source_manifest_sha256": "e4df8f243ff21f58162342dfd10496cc958413fbd0c3a037c7520965a9e223f4", "source_response": "BMP_2023/raw/2023_BMP_9_9_Small_Scale_Sand_Filters/response.json", "source_response_sha256": "26366ff54944a9420cec246d7f1abe5fa256960a96686476f4f3b50f8258844c", "source_image": "BMP_2023/raw/2023_BMP_9_9_Small_Scale_Sand_Filters/pages/page-0003-img-02.jpg", "sha256": "2da1050cd084446b4c9bb81ef5aa79cd82b06fb4dc62e94222ca11f0679931be", "bytes": 1594, "pdf_page": 3, "ordinal": 2, "ocr_image_id": "img-2.jpeg", "local_path": "images/page-0003-img-02.jpg", "bbox_pixels": [ 236, 479, 326, 591 ], "page_dimensions": { "dpi": 200, "height": 2200, "width": 1700 }, "ocr_provider": "mistral", "ocr_model": "mistral-ocr-latest", "context_excerpt": "ds for groundwater recharge, stormwater runoff quality and stormwater runoff quantity at N.J.A.C. 7:8-5.4, 5.5 and 5.6 shall be met by incorporating green infrastructure in accordance with N.J.A.C. 7:8-5.3.\n\n[OCR image]\n\nSmall-scale sand filters may be designed to convey storm events larger than the Water Quality Design Storm (WQDS); however, regardless of the design storm chosen, all small-scale sand filters must be designed for stability and capacity in accordance with the Standards for Soil Erosion and Sediment Control in New Jersey, as required by N.J.A.C. 7:8 Stormwater Management rules.\n\n[OCR image]", "asset_id": "2023_BMP_9_9__image__0003__02__430dcd6f", "document_id": "2023_BMP_9_9", "path": "BMP/2023/09.09 - Small-Scale Sand Filters/images/page-0003-img-02.jpg", "association": "exact_source_pdf_and_page", "record_ids": [ "2023_BMP_9_9__0003__001" ], "direct_record_ids": [ "2023_BMP_9_9__0003__001" ], "table_record_ids": [], "display_asset_id": "2023_BMP_9_9__image__0003__02__430dcd6f" }, { "source_pdf": "BMP_2023/2023_BMP_9_9_Small_Scale_Sand_Filters.pdf", "source_pdf_sha256": "8ee8c4016d37ca1b1e7f9a6f9010d23e11f20401592caa03d0c41f8d630d0de5", "source_manifest": "BMP_2023/raw/2023_BMP_9_9_Small_Scale_Sand_Filters/manifest.json", "source_manifest_sha256": "e4df8f243ff21f58162342dfd10496cc958413fbd0c3a037c7520965a9e223f4", "source_response": "BMP_2023/raw/2023_BMP_9_9_Small_Scale_Sand_Filters/response.json", "source_response_sha256": "26366ff54944a9420cec246d7f1abe5fa256960a96686476f4f3b50f8258844c", "source_image": "BMP_2023/raw/2023_BMP_9_9_Small_Scale_Sand_Filters/pages/page-0003-img-03.jpg", "sha256": "d125fd4509dc22a259a37dfea8e7e92b3a0075ac7eeb00b269b46edbcb6be04a", "bytes": 2859, "pdf_page": 3, "ordinal": 3, "ocr_image_id": "img-3.jpeg", "local_path": "images/page-0003-img-03.jpg", "bbox_pixels": [ 236, 699, 326, 811 ], "page_dimensions": { "dpi": 200, "height": 2200, "width": 1700 }, "ocr_provider": "mistral", "ocr_model": "mistral-ocr-latest", "context_excerpt": "-scale sand filters must be designed for stability and capacity in accordance with the Standards for Soil Erosion and Sediment Control in New Jersey, as required by N.J.A.C. 7:8 Stormwater Management rules.\n\n[OCR image]\n\nSmall-scale sand filter systems, since they must be designed to infiltrate into the subsoil, may be used to meet the groundwater recharge requirements. For more information on computing ground water recharge, see Chapter 6: Groundwater Recharge.\n\n[OCR image]\n\nTo merit the approved TSS removal rate of 80%, small-scale sand filters must be designed to treat the WQDS and in accordance with a", "asset_id": "2023_BMP_9_9__image__0003__03__c54e12d2", "document_id": "2023_BMP_9_9", "path": "BMP/2023/09.09 - Small-Scale Sand Filters/images/page-0003-img-03.jpg", "association": "exact_source_pdf_and_page", "record_ids": [ "2023_BMP_9_9__0003__001" ], "direct_record_ids": [ "2023_BMP_9_9__0003__001" ], "table_record_ids": [], "display_asset_id": "2023_BMP_9_9__image__0003__03__c54e12d2" }, { "source_pdf": "BMP_2023/2023_BMP_9_9_Small_Scale_Sand_Filters.pdf", "source_pdf_sha256": "8ee8c4016d37ca1b1e7f9a6f9010d23e11f20401592caa03d0c41f8d630d0de5", "source_manifest": "BMP_2023/raw/2023_BMP_9_9_Small_Scale_Sand_Filters/manifest.json", "source_manifest_sha256": "e4df8f243ff21f58162342dfd10496cc958413fbd0c3a037c7520965a9e223f4", "source_response": "BMP_2023/raw/2023_BMP_9_9_Small_Scale_Sand_Filters/response.json", "source_response_sha256": "26366ff54944a9420cec246d7f1abe5fa256960a96686476f4f3b50f8258844c", "source_image": "BMP_2023/raw/2023_BMP_9_9_Small_Scale_Sand_Filters/pages/page-0003-img-04.jpg", "sha256": "21591ccf7b75c37dff03b2f011dc09d38de6d14fbbe09fcdda2edb43496d8549", "bytes": 1437, "pdf_page": 3, "ordinal": 4, "ocr_image_id": "img-4.jpeg", "local_path": "images/page-0003-img-04.jpg", "bbox_pixels": [ 236, 877, 326, 924 ], "page_dimensions": { "dpi": 200, "height": 2200, "width": 1700 }, "ocr_provider": "mistral", "ocr_model": "mistral-ocr-latest", "context_excerpt": "they must be designed to infiltrate into the subsoil, may be used to meet the groundwater recharge requirements. For more information on computing ground water recharge, see Chapter 6: Groundwater Recharge.\n\n[OCR image]\n\nTo merit the approved TSS removal rate of 80%, small-scale sand filters must be designed to treat the WQDS and in accordance with all of the following criteria.\n\n# Design Criteria\n\n## Basic Requirements\n\nThe following illustrations depict the basic components and the various zones through which stormwater runoff travels.\n\n[OCR image]\nProfile View – Small-Scale Sand Filter Basics", "asset_id": "2023_BMP_9_9__image__0003__04__fa667ae2", "document_id": "2023_BMP_9_9", "path": "BMP/2023/09.09 - Small-Scale Sand Filters/images/page-0003-img-04.jpg", "association": "exact_source_pdf_and_page", "record_ids": [ "2023_BMP_9_9__0003__001" ], "direct_record_ids": [ "2023_BMP_9_9__0003__001" ], "table_record_ids": [], "display_asset_id": "2023_BMP_9_9__image__0003__04__fa667ae2" }, { "source_pdf": "BMP_2023/2023_BMP_9_9_Small_Scale_Sand_Filters.pdf", "source_pdf_sha256": "8ee8c4016d37ca1b1e7f9a6f9010d23e11f20401592caa03d0c41f8d630d0de5", "source_manifest": "BMP_2023/raw/2023_BMP_9_9_Small_Scale_Sand_Filters/manifest.json", "source_manifest_sha256": "e4df8f243ff21f58162342dfd10496cc958413fbd0c3a037c7520965a9e223f4", "source_response": "BMP_2023/raw/2023_BMP_9_9_Small_Scale_Sand_Filters/response.json", "source_response_sha256": "26366ff54944a9420cec246d7f1abe5fa256960a96686476f4f3b50f8258844c", "source_image": "BMP_2023/raw/2023_BMP_9_9_Small_Scale_Sand_Filters/pages/page-0003-img-05.jpg", "sha256": "d840cffd421e58953cce695555b93c331a8dc1b17a4b59a5f03b068d02416eae", "bytes": 57686, "pdf_page": 3, "ordinal": 5, "ocr_image_id": "img-5.jpeg", "local_path": "images/page-0003-img-05.jpg", "bbox_pixels": [ 244, 1331, 1247, 1812 ], "page_dimensions": { "dpi": 200, "height": 2200, "width": 1700 }, "ocr_provider": "mistral", "ocr_model": "mistral-ocr-latest", "context_excerpt": "cordance with all of the following criteria.\n\n# Design Criteria\n\n## Basic Requirements\n\nThe following illustrations depict the basic components and the various zones through which stormwater runoff travels.\n\n[OCR image]\nProfile View – Small-Scale Sand Filter Basics", "asset_id": "2023_BMP_9_9__image__0003__05__d9cd42ea", "document_id": "2023_BMP_9_9", "path": "BMP/2023/09.09 - Small-Scale Sand Filters/images/page-0003-img-05.jpg", "association": "exact_source_pdf_and_page", "record_ids": [ "2023_BMP_9_9__0003__001" ], "direct_record_ids": [ "2023_BMP_9_9__0003__001" ], "table_record_ids": [], "display_asset_id": "2023_BMP_9_9__image__0003__05__d9cd42ea" }, { "source_pdf": "BMP_2023/2023_BMP_9_9_Small_Scale_Sand_Filters.pdf", "source_pdf_sha256": "8ee8c4016d37ca1b1e7f9a6f9010d23e11f20401592caa03d0c41f8d630d0de5", "source_manifest": "BMP_2023/raw/2023_BMP_9_9_Small_Scale_Sand_Filters/manifest.json", "source_manifest_sha256": "e4df8f243ff21f58162342dfd10496cc958413fbd0c3a037c7520965a9e223f4", "source_response": "BMP_2023/raw/2023_BMP_9_9_Small_Scale_Sand_Filters/response.json", "source_response_sha256": "26366ff54944a9420cec246d7f1abe5fa256960a96686476f4f3b50f8258844c", "source_image": "BMP_2023/raw/2023_BMP_9_9_Small_Scale_Sand_Filters/pages/page-0004-img-01.jpg", "sha256": "6d8e2adae20adc4d53bacd32a04f2263e73e6984a60fd1e735a6fb774ba4ddf6", "bytes": 57634, "pdf_page": 4, "ordinal": 1, "ocr_image_id": "img-6.jpeg", "local_path": "images/page-0004-img-01.jpg", "bbox_pixels": [ 244, 237, 1247, 792 ], "page_dimensions": { "dpi": 200, "height": 2200, "width": 1700 }, "ocr_provider": "mistral", "ocr_model": "mistral-ocr-latest", "context_excerpt": "[OCR image]\nPlan View – Small-Scale Sand Filter Basics\n\nThe following design criteria must all be met in order to receive the 80% TSS removal rate for this BMP. It is critical that all small-scale sand filters are designed in accordance with these criteria in order to ensure proper operation, to maximize the functional life of the system and to ensure public safety.\n\n## Contributory Drainage Area\n\n- Pursuant to N.J", "asset_id": "2023_BMP_9_9__image__0004__01__c79513a7", "document_id": "2023_BMP_9_9", "path": "BMP/2023/09.09 - Small-Scale Sand Filters/images/page-0004-img-01.jpg", "association": "exact_source_pdf_and_page", "record_ids": [ "2023_BMP_9_9__0004__001", "2023_BMP_9_9__0004__002" ], "direct_record_ids": [ "2023_BMP_9_9__0004__001", "2023_BMP_9_9__0004__002" ], "table_record_ids": [], "display_asset_id": "2023_BMP_9_9__image__0004__01__c79513a7" }, { "source_pdf": "BMP_2023/2023_BMP_9_9_Small_Scale_Sand_Filters.pdf", "source_pdf_sha256": "8ee8c4016d37ca1b1e7f9a6f9010d23e11f20401592caa03d0c41f8d630d0de5", "source_manifest": "BMP_2023/raw/2023_BMP_9_9_Small_Scale_Sand_Filters/manifest.json", "source_manifest_sha256": "e4df8f243ff21f58162342dfd10496cc958413fbd0c3a037c7520965a9e223f4", "source_response": "BMP_2023/raw/2023_BMP_9_9_Small_Scale_Sand_Filters/response.json", "source_response_sha256": "26366ff54944a9420cec246d7f1abe5fa256960a96686476f4f3b50f8258844c", "source_image": "BMP_2023/raw/2023_BMP_9_9_Small_Scale_Sand_Filters/pages/page-0009-img-01.jpg", "sha256": "7eaeec786bc6f8e5e42ad7df1fb234c283ddf3b407ad7b9200b3641bbfd09f2c", "bytes": 78164, "pdf_page": 9, "ordinal": 1, "ocr_image_id": "img-7.jpeg", "local_path": "images/page-0009-img-01.jpg", "bbox_pixels": [ 350, 400, 1351, 972 ], "page_dimensions": { "dpi": 200, "height": 2200, "width": 1700 }, "ocr_provider": "mistral", "ocr_model": "mistral-ocr-latest", "context_excerpt": "scharge, computed on the basis of the net area of opening through rack;\nConstructed of rigid, durable and corrosion-resistant material; and\nDesigned to withstand a perpendicular live loading of 300 lbs./sf.\n\n[OCR image]\n\n- An overflow grate is designed to prevent obstruction of the overflow structure. If an outlet structure has an overflow grate, the grate must comply with the following requirements:\n\nThe overflow grate must be secured to the outlet structure but removable for emergencies and maintenance;\nThe overflow grate spacing must be no greater than 2 inches across the smallest dimension; and\nThe overflow grate m", "asset_id": "2023_BMP_9_9__image__0009__01__45d2334d", "document_id": "2023_BMP_9_9", "path": "BMP/2023/09.09 - Small-Scale Sand Filters/images/page-0009-img-01.jpg", "association": "exact_source_pdf_and_page", "record_ids": [ "2023_BMP_9_9__0009__001", "2023_BMP_9_9__0009__002" ], "direct_record_ids": [ "2023_BMP_9_9__0009__001", "2023_BMP_9_9__0009__002" ], "table_record_ids": [], "display_asset_id": "2023_BMP_9_9__image__0009__01__45d2334d" }, { "source_pdf": "BMP_2023/2023_BMP_9_9_Small_Scale_Sand_Filters.pdf", "source_pdf_sha256": "8ee8c4016d37ca1b1e7f9a6f9010d23e11f20401592caa03d0c41f8d630d0de5", "source_manifest": "BMP_2023/raw/2023_BMP_9_9_Small_Scale_Sand_Filters/manifest.json", "source_manifest_sha256": "e4df8f243ff21f58162342dfd10496cc958413fbd0c3a037c7520965a9e223f4", "source_response": "BMP_2023/raw/2023_BMP_9_9_Small_Scale_Sand_Filters/response.json", "source_response_sha256": "26366ff54944a9420cec246d7f1abe5fa256960a96686476f4f3b50f8258844c", "source_image": "BMP_2023/raw/2023_BMP_9_9_Small_Scale_Sand_Filters/pages/page-0010-img-01.jpg", "sha256": "88ca6f59c844004571e194c474f99f94611c9f1b6cb3945e23b2d27057a4c429", "bytes": 73309, "pdf_page": 10, "ordinal": 1, "ocr_image_id": "img-8.jpeg", "local_path": "images/page-0010-img-01.jpg", "bbox_pixels": [ 350, 200, 1351, 774 ], "page_dimensions": { "dpi": 200, "height": 2200, "width": 1700 }, "ocr_provider": "mistral", "ocr_model": "mistral-ocr-latest", "context_excerpt": "[OCR image]\n\n- The minimum diameter of any overflow orifice is 2.5 inches.\n- Blind connections to down-gradient facilities are prohibited. Any connection to down-gradient stormwater management facilities must include access points such as inspections ports and manholes, for visual inspection and maintenance, as appropriate, to prevent blockage of flow and ensure operation as intended. All entrance points must adher", "asset_id": "2023_BMP_9_9__image__0010__01__c4fae839", "document_id": "2023_BMP_9_9", "path": "BMP/2023/09.09 - Small-Scale Sand Filters/images/page-0010-img-01.jpg", "association": "exact_source_pdf_and_page", "record_ids": [ "2023_BMP_9_9__0010__001", "2023_BMP_9_9__0010__002", "2023_BMP_9_9__0010__003", "2023_BMP_9_9__0010__004", "2023_BMP_9_9__0010__005", "2023_BMP_9_9__0010__006", "2023_BMP_9_9__0010__007", "2023_BMP_9_9__0010__008", "2023_BMP_9_9__0010__009" ], "direct_record_ids": [ "2023_BMP_9_9__0010__001", "2023_BMP_9_9__0010__002", "2023_BMP_9_9__0010__003", "2023_BMP_9_9__0010__004", "2023_BMP_9_9__0010__005", "2023_BMP_9_9__0010__006", "2023_BMP_9_9__0010__007", "2023_BMP_9_9__0010__008", "2023_BMP_9_9__0010__009" ], "table_record_ids": [], "display_asset_id": "2023_BMP_9_9__image__0010__01__c4fae839" }, { "source_pdf": "BMP_2023/2023_BMP_9_9_Small_Scale_Sand_Filters.pdf", "source_pdf_sha256": "8ee8c4016d37ca1b1e7f9a6f9010d23e11f20401592caa03d0c41f8d630d0de5", "source_manifest": "BMP_2023/raw/2023_BMP_9_9_Small_Scale_Sand_Filters/manifest.json", "source_manifest_sha256": "e4df8f243ff21f58162342dfd10496cc958413fbd0c3a037c7520965a9e223f4", "source_response": "BMP_2023/raw/2023_BMP_9_9_Small_Scale_Sand_Filters/response.json", "source_response_sha256": "26366ff54944a9420cec246d7f1abe5fa256960a96686476f4f3b50f8258844c", "source_image": "BMP_2023/raw/2023_BMP_9_9_Small_Scale_Sand_Filters/pages/page-0012-img-01.jpg", "sha256": "cc6f23c45d3f08717a6b1db4b4e62ba841361af54731d85a4349a7f7be71af3a", "bytes": 51778, "pdf_page": 12, "ordinal": 1, "ocr_image_id": "img-9.jpeg", "local_path": "images/page-0012-img-01.jpg", "bbox_pixels": [ 297, 341, 875, 1172 ], "page_dimensions": { "dpi": 200, "height": 2200, "width": 1700 }, "ocr_provider": "mistral", "ocr_model": "mistral-ocr-latest", "context_excerpt": "The following cross-section view provides another view of a small-scale sand filter.\n\n[OCR image]\nCross Section View – Small-Scale Sand Filter\n\n## Requirements for Extended Detention Option\n\nA small-scale sand filter may be constructed as part of an on-line, combination system to provide extended detention for larger storms. Such a system could include a level-graded infiltration zone such as that defined by a smaller contour, oval or other discrete area within the basin bottom. Runoff up to the WQD", "asset_id": "2023_BMP_9_9__image__0012__01__0f1fdebd", "document_id": "2023_BMP_9_9", "path": "BMP/2023/09.09 - Small-Scale Sand Filters/images/page-0012-img-01.jpg", "association": "exact_source_pdf_and_page", "record_ids": [ "2023_BMP_9_9__0012__001" ], "direct_record_ids": [ "2023_BMP_9_9__0012__001" ], "table_record_ids": [], "display_asset_id": "2023_BMP_9_9__image__0012__01__0f1fdebd" }, { "source_pdf": "BMP_2023/2023_BMP_9_9_Small_Scale_Sand_Filters.pdf", "source_pdf_sha256": "8ee8c4016d37ca1b1e7f9a6f9010d23e11f20401592caa03d0c41f8d630d0de5", "source_manifest": "BMP_2023/raw/2023_BMP_9_9_Small_Scale_Sand_Filters/manifest.json", "source_manifest_sha256": "e4df8f243ff21f58162342dfd10496cc958413fbd0c3a037c7520965a9e223f4", "source_response": "BMP_2023/raw/2023_BMP_9_9_Small_Scale_Sand_Filters/response.json", "source_response_sha256": "26366ff54944a9420cec246d7f1abe5fa256960a96686476f4f3b50f8258844c", "source_image": "BMP_2023/raw/2023_BMP_9_9_Small_Scale_Sand_Filters/pages/page-0015-img-01.jpg", "sha256": "b944c156aa3b3539472e6134d285a7d6a236c8ca007b85228e5da3a37a6f9ad2", "bytes": 112209, "pdf_page": 15, "ordinal": 1, "ocr_image_id": "img-10.jpeg", "local_path": "images/page-0015-img-01.jpg", "bbox_pixels": [ 297, 622, 1400, 1707 ], "page_dimensions": { "dpi": 200, "height": 2200, "width": 1700 }, "ocr_provider": "mistral", "ocr_model": "mistral-ocr-latest", "context_excerpt": "1\\ \\text{ft/12 in})} = 7.41\\ \\text{hr}\n$$\n\nThe resulting surface area could be achieved with a 50 ft by 30.4 ft sand bed. Illustrations for this example are shown below and continue on the following page.\n\n[OCR image]\n\nExample: Small-Scale Sand Filter in Plan and Profile Views", "asset_id": "2023_BMP_9_9__image__0015__01__b8db63a3", "document_id": "2023_BMP_9_9", "path": "BMP/2023/09.09 - Small-Scale Sand Filters/images/page-0015-img-01.jpg", "association": "exact_source_pdf_and_page", "record_ids": [ "2023_BMP_9_9__0015__001" ], "direct_record_ids": [ "2023_BMP_9_9__0015__001" ], "table_record_ids": [], "display_asset_id": "2023_BMP_9_9__image__0015__01__b8db63a3" }, { "source_pdf": "BMP_2023/2023_BMP_9_9_Small_Scale_Sand_Filters.pdf", "source_pdf_sha256": "8ee8c4016d37ca1b1e7f9a6f9010d23e11f20401592caa03d0c41f8d630d0de5", "source_manifest": "BMP_2023/raw/2023_BMP_9_9_Small_Scale_Sand_Filters/manifest.json", "source_manifest_sha256": "e4df8f243ff21f58162342dfd10496cc958413fbd0c3a037c7520965a9e223f4", "source_response": "BMP_2023/raw/2023_BMP_9_9_Small_Scale_Sand_Filters/response.json", "source_response_sha256": "26366ff54944a9420cec246d7f1abe5fa256960a96686476f4f3b50f8258844c", "source_image": "BMP_2023/raw/2023_BMP_9_9_Small_Scale_Sand_Filters/pages/page-0016-img-01.jpg", "sha256": "a5a0d4c3ad3304ee4e16427fe43688165e6e25506ef08a67095cd59294bf929d", "bytes": 53253, "pdf_page": 16, "ordinal": 1, "ocr_image_id": "img-11.jpeg", "local_path": "images/page-0016-img-01.jpg", "bbox_pixels": [ 294, 242, 1400, 860 ], "page_dimensions": { "dpi": 200, "height": 2200, "width": 1700 }, "ocr_provider": "mistral", "ocr_model": "mistral-ocr-latest", "context_excerpt": "Example: Small-Scale Sand Filter in Cross-Section View\n\n[OCR image]\n\n## Considerations\n\nWhen planning a small-scale sand filter, consideration should be given to soil characteristics, depth to the groundwater table, sensitivity of the region and inflow water quality. It is also important to note that the use of small-scale sand filters is recommended in this manual only where the WQDS or smaller storm events are contained below the first outlet control structure. Use o", "asset_id": "2023_BMP_9_9__image__0016__01__e96132fc", "document_id": "2023_BMP_9_9", "path": "BMP/2023/09.09 - Small-Scale Sand Filters/images/page-0016-img-01.jpg", "association": "exact_source_pdf_and_page", "record_ids": [ "2023_BMP_9_9__0016__001" ], "direct_record_ids": [ "2023_BMP_9_9__0016__001" ], "table_record_ids": [], "display_asset_id": "2023_BMP_9_9__image__0016__01__e96132fc" } ] }