{ "format": "mistral-image-index-1", "document_id": "2026_BMP_9_2", "path_base": "knowledge-base root", "assets": [ { "source_pdf": "BMP_2026/2026_BMP_9_2_Dry_Wells.pdf", "source_pdf_sha256": "131b23ef0be38699a2cd12f4e76af4bb1c67bc7eeb9eb3803517a2b1bd165579", "source_manifest": "BMP_2026/raw/2026_BMP_9_2_Dry_Wells/manifest.json", "source_manifest_sha256": "2ca6807041c38ac6bda38100bf8096e39882ccb688f7a3f8fefe92bc0c104e40", "source_response": "BMP_2026/raw/2026_BMP_9_2_Dry_Wells/response.json", "source_response_sha256": "2d0d9b62afcb2ac14c37019518495021d9575966864779e9901e2c31f2271d4d", "source_image": "BMP_2026/raw/2026_BMP_9_2_Dry_Wells/pages/page-0001-img-01.jpg", "sha256": "456b04c8b2fd412a3fc83a6a3e2fa4776814b92eb105a55a2ac8bf7a0038d4b7", "bytes": 17254, "pdf_page": 1, "ordinal": 1, "ocr_image_id": "img-0.jpeg", "local_path": "images/page-0001-img-01.jpg", "bbox_pixels": [ 193, 332, 676, 732 ], "page_dimensions": { "dpi": 200, "height": 2200, "width": 1700 }, "ocr_provider": "mistral", "ocr_model": "mistral-ocr-latest", "context_excerpt": "# 9.2 DRY WELLS\n\n[OCR image]\n\nDry wells are subsurface stormwater facilities that are used to collect and temporarily store stormwater runoff generated by clean rooftops; runoff is discharged through infiltration into the subsoil. Dry wells may be used to comply with the groundwater recharge design and performance standard of the Stormwater Management rules. Additionally, they may also be used to reduce the volume of stormwater run", "asset_id": "2026_BMP_9_2__image__0001__01__8d208115", "document_id": "2026_BMP_9_2", "path": "BMP/2026/09.02 - Dry Wells (Small-Scale GI)/images/page-0001-img-01.jpg", "association": "exact_source_pdf_and_page", "record_ids": [ "2026_BMP_9_2__0001__001", "2026_BMP_9_2__0001__002", "2026_BMP_9_2__0001__003", "2026_BMP_9_2__0001__004", "2026_BMP_9_2__0001__005", "2026_BMP_9_2__0001__006", "2026_BMP_9_2__0001__007", "2026_BMP_9_2__table__00001" ], "direct_record_ids": [ "2026_BMP_9_2__0001__001", "2026_BMP_9_2__0001__002", "2026_BMP_9_2__0001__003", "2026_BMP_9_2__0001__004", "2026_BMP_9_2__0001__005", "2026_BMP_9_2__0001__006", "2026_BMP_9_2__0001__007", "2026_BMP_9_2__table__00001" ], "table_record_ids": [ "2026_BMP_9_2__table__00001" ], "display_asset_id": "2026_BMP_9_2__image__0001__01__8d208115" }, { "source_pdf": "BMP_2026/2026_BMP_9_2_Dry_Wells.pdf", "source_pdf_sha256": "131b23ef0be38699a2cd12f4e76af4bb1c67bc7eeb9eb3803517a2b1bd165579", "source_manifest": "BMP_2026/raw/2026_BMP_9_2_Dry_Wells/manifest.json", "source_manifest_sha256": "2ca6807041c38ac6bda38100bf8096e39882ccb688f7a3f8fefe92bc0c104e40", "source_response": "BMP_2026/raw/2026_BMP_9_2_Dry_Wells/response.json", "source_response_sha256": "2d0d9b62afcb2ac14c37019518495021d9575966864779e9901e2c31f2271d4d", "source_image": "BMP_2026/raw/2026_BMP_9_2_Dry_Wells/pages/page-0003-img-01.jpg", "sha256": "53a4ae0913464675f81a34077fc62b1412848616fd7e8ac71b0cd29b861bfbe6", "bytes": 2031, "pdf_page": 3, "ordinal": 1, "ocr_image_id": "img-1.jpeg", "local_path": "images/page-0003-img-01.jpg", "bbox_pixels": [ 202, 294, 351, 374 ], "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\nDry wells may be used to meet the groundwater recharge requirements of the Stormwater Manag", "asset_id": "2026_BMP_9_2__image__0003__01__609d2972", "document_id": "2026_BMP_9_2", "path": "BMP/2026/09.02 - Dry Wells (Small-Scale GI)/images/page-0003-img-01.jpg", "association": "exact_source_pdf_and_page", "record_ids": [ "2026_BMP_9_2__0003__001" ], "direct_record_ids": [ "2026_BMP_9_2__0003__001" ], "table_record_ids": [], "display_asset_id": "2026_BMP_9_2__image__0003__01__609d2972" }, { "source_pdf": "BMP_2026/2026_BMP_9_2_Dry_Wells.pdf", "source_pdf_sha256": "131b23ef0be38699a2cd12f4e76af4bb1c67bc7eeb9eb3803517a2b1bd165579", "source_manifest": "BMP_2026/raw/2026_BMP_9_2_Dry_Wells/manifest.json", "source_manifest_sha256": "2ca6807041c38ac6bda38100bf8096e39882ccb688f7a3f8fefe92bc0c104e40", "source_response": "BMP_2026/raw/2026_BMP_9_2_Dry_Wells/response.json", "source_response_sha256": "2d0d9b62afcb2ac14c37019518495021d9575966864779e9901e2c31f2271d4d", "source_image": "BMP_2026/raw/2026_BMP_9_2_Dry_Wells/pages/page-0003-img-02.jpg", "sha256": "b22b741abd755f5000457e16f8025d2865b1512d9eab33437ee74590af705a18", "bytes": 2791, "pdf_page": 3, "ordinal": 2, "ocr_image_id": "img-2.jpeg", "local_path": "images/page-0003-img-02.jpg", "bbox_pixels": [ 229, 473, 324, 580 ], "page_dimensions": { "dpi": 200, "height": 2200, "width": 1700 }, "ocr_provider": "mistral", "ocr_model": "mistral-ocr-latest", "context_excerpt": "s 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\nDry wells may be used to meet the groundwater recharge requirements of the Stormwater Management rules. For more information on computing groundwater recharge, see Chapter 6: Groundwater Recharge.\n\n# Design Criteria\n\n## Basic Requirements\n\nThe following illustrations show the basic design criteria required for dry wells. The illustrations show possible configurations and flow paths and are not intended", "asset_id": "2026_BMP_9_2__image__0003__02__a08a5a5e", "document_id": "2026_BMP_9_2", "path": "BMP/2026/09.02 - Dry Wells (Small-Scale GI)/images/page-0003-img-02.jpg", "association": "exact_source_pdf_and_page", "record_ids": [ "2026_BMP_9_2__0003__001" ], "direct_record_ids": [ "2026_BMP_9_2__0003__001" ], "table_record_ids": [], "display_asset_id": "2026_BMP_9_2__image__0003__02__a08a5a5e" }, { "source_pdf": "BMP_2026/2026_BMP_9_2_Dry_Wells.pdf", "source_pdf_sha256": "131b23ef0be38699a2cd12f4e76af4bb1c67bc7eeb9eb3803517a2b1bd165579", "source_manifest": "BMP_2026/raw/2026_BMP_9_2_Dry_Wells/manifest.json", "source_manifest_sha256": "2ca6807041c38ac6bda38100bf8096e39882ccb688f7a3f8fefe92bc0c104e40", "source_response": "BMP_2026/raw/2026_BMP_9_2_Dry_Wells/response.json", "source_response_sha256": "2d0d9b62afcb2ac14c37019518495021d9575966864779e9901e2c31f2271d4d", "source_image": "BMP_2026/raw/2026_BMP_9_2_Dry_Wells/pages/page-0003-img-03.jpg", "sha256": "3d5c636b733a2475b80287bd24263e6ad5177513b663ff974549f3bb091c1895", "bytes": 98854, "pdf_page": 3, "ordinal": 3, "ocr_image_id": "img-3.jpeg", "local_path": "images/page-0003-img-03.jpg", "bbox_pixels": [ 244, 1016, 1251, 1716 ], "page_dimensions": { "dpi": 200, "height": 2200, "width": 1700 }, "ocr_provider": "mistral", "ocr_model": "mistral-ocr-latest", "context_excerpt": "basic design criteria required for dry wells. The illustrations show possible configurations and flow paths and are not intended to limit the design. Additional information is provided on Pages 4 through 8.\n\n[OCR image]", "asset_id": "2026_BMP_9_2__image__0003__03__2740ee0d", "document_id": "2026_BMP_9_2", "path": "BMP/2026/09.02 - Dry Wells (Small-Scale GI)/images/page-0003-img-03.jpg", "association": "exact_source_pdf_and_page", "record_ids": [ "2026_BMP_9_2__0003__001" ], "direct_record_ids": [ "2026_BMP_9_2__0003__001" ], "table_record_ids": [], "display_asset_id": "2026_BMP_9_2__image__0003__03__2740ee0d" }, { "source_pdf": "BMP_2026/2026_BMP_9_2_Dry_Wells.pdf", "source_pdf_sha256": "131b23ef0be38699a2cd12f4e76af4bb1c67bc7eeb9eb3803517a2b1bd165579", "source_manifest": "BMP_2026/raw/2026_BMP_9_2_Dry_Wells/manifest.json", "source_manifest_sha256": "2ca6807041c38ac6bda38100bf8096e39882ccb688f7a3f8fefe92bc0c104e40", "source_response": "BMP_2026/raw/2026_BMP_9_2_Dry_Wells/response.json", "source_response_sha256": "2d0d9b62afcb2ac14c37019518495021d9575966864779e9901e2c31f2271d4d", "source_image": "BMP_2026/raw/2026_BMP_9_2_Dry_Wells/pages/page-0004-img-01.jpg", "sha256": "d89639aacee74d7f6c476c553b8c4ef24eb220753b6b61cc8b959aac41d75c6d", "bytes": 64539, "pdf_page": 4, "ordinal": 1, "ocr_image_id": "img-4.jpeg", "local_path": "images/page-0004-img-01.jpg", "bbox_pixels": [ 244, 237, 1247, 871 ], "page_dimensions": { "dpi": 200, "height": 2200, "width": 1700 }, "ocr_provider": "mistral", "ocr_model": "mistral-ocr-latest", "context_excerpt": "# Dry Well Basic Requirements – Plan View Section through Inflow Pipe\n\n[OCR image]\n\n## Contributory Drainage Area\n\n- The maximum contributory drainage area limitation is 1 acre, pursuant to N.J.A.C. 7:8-5.3(b).\n- The entire contributory drainage area must be completely stabilized prior to use of the dry well.\n\n## Inflow and Pretreatment\n\n- The use of dry wells is limited to the collection of stormwater runoff generated by a clean roof that will not contribute nutrients, sediment or ot", "asset_id": "2026_BMP_9_2__image__0004__01__999bd6c6", "document_id": "2026_BMP_9_2", "path": "BMP/2026/09.02 - Dry Wells (Small-Scale GI)/images/page-0004-img-01.jpg", "association": "exact_source_pdf_and_page", "record_ids": [ "2026_BMP_9_2__0004__001", "2026_BMP_9_2__0004__002", "2026_BMP_9_2__0004__003", "2026_BMP_9_2__0004__004" ], "direct_record_ids": [ "2026_BMP_9_2__0004__001", "2026_BMP_9_2__0004__002", "2026_BMP_9_2__0004__003", "2026_BMP_9_2__0004__004" ], "table_record_ids": [], "display_asset_id": "2026_BMP_9_2__image__0004__01__999bd6c6" }, { "source_pdf": "BMP_2026/2026_BMP_9_2_Dry_Wells.pdf", "source_pdf_sha256": "131b23ef0be38699a2cd12f4e76af4bb1c67bc7eeb9eb3803517a2b1bd165579", "source_manifest": "BMP_2026/raw/2026_BMP_9_2_Dry_Wells/manifest.json", "source_manifest_sha256": "2ca6807041c38ac6bda38100bf8096e39882ccb688f7a3f8fefe92bc0c104e40", "source_response": "BMP_2026/raw/2026_BMP_9_2_Dry_Wells/response.json", "source_response_sha256": "2d0d9b62afcb2ac14c37019518495021d9575966864779e9901e2c31f2271d4d", "source_image": "BMP_2026/raw/2026_BMP_9_2_Dry_Wells/pages/page-0009-img-01.jpg", "sha256": "1b5083260843db2117b81b24d33f9bb42f2964ba1538615b08090a87dd1def50", "bytes": 65709, "pdf_page": 9, "ordinal": 1, "ocr_image_id": "img-5.jpeg", "local_path": "images/page-0009-img-01.jpg", "bbox_pixels": [ 365, 279, 1200, 913 ], "page_dimensions": { "dpi": 200, "height": 2200, "width": 1700 }, "ocr_provider": "mistral", "ocr_model": "mistral-ocr-latest", "context_excerpt": "Example 1 - Plan View\n[OCR image]\nNOTE:\nStormwater Collection System for Impervious Pavement Area not Shown\nNot to Scale\n\n## Step 1: Runoff Calculations\n\nUsing the runoff calculation method described in the NRCS Methodology section of Chapter 5, the Water Quality Design Storm runoff volume from the 5,000 sf roof was calculated to be 431 cf. If site conditions allow, the anticipated volume reduction of this dry well is 431 cf.\n\n## Step 2", "asset_id": "2026_BMP_9_2__image__0009__01__8c7c90af", "document_id": "2026_BMP_9_2", "path": "BMP/2026/09.02 - Dry Wells (Small-Scale GI)/images/page-0009-img-01.jpg", "association": "exact_source_pdf_and_page", "record_ids": [ "2026_BMP_9_2__0009__001" ], "direct_record_ids": [ "2026_BMP_9_2__0009__001" ], "table_record_ids": [], "display_asset_id": "2026_BMP_9_2__image__0009__01__8c7c90af" }, { "source_pdf": "BMP_2026/2026_BMP_9_2_Dry_Wells.pdf", "source_pdf_sha256": "131b23ef0be38699a2cd12f4e76af4bb1c67bc7eeb9eb3803517a2b1bd165579", "source_manifest": "BMP_2026/raw/2026_BMP_9_2_Dry_Wells/manifest.json", "source_manifest_sha256": "2ca6807041c38ac6bda38100bf8096e39882ccb688f7a3f8fefe92bc0c104e40", "source_response": "BMP_2026/raw/2026_BMP_9_2_Dry_Wells/response.json", "source_response_sha256": "2d0d9b62afcb2ac14c37019518495021d9575966864779e9901e2c31f2271d4d", "source_image": "BMP_2026/raw/2026_BMP_9_2_Dry_Wells/pages/page-0010-img-01.jpg", "sha256": "3412d49974c57508c6a7c694291046d9745d913dba267ce5294d65745a672205", "bytes": 69472, "pdf_page": 10, "ordinal": 1, "ocr_image_id": "img-6.jpeg", "local_path": "images/page-0010-img-01.jpg", "bbox_pixels": [ 297, 237, 1305, 954 ], "page_dimensions": { "dpi": 200, "height": 2200, "width": 1700 }, "ocr_provider": "mistral", "ocr_model": "mistral-ocr-latest", "context_excerpt": "[OCR image]\nExample 1 - Structural Chamber Dry Well Designed for Volume Reduction\n\nIn this example, the depth to the seasonal high water table is 10 feet. Assuming 1-foot depth of cover, the allowable structural chamber depth, $H$, is calculated as follows, excluding any thickness of the top of the structural chamber and the required filter fabric:\n\n$$\n\\begin{array}{l}\nH = SHWT\\ Depth - (SHWT\\ Separation + Cover) \\", "asset_id": "2026_BMP_9_2__image__0010__01__f1e9f187", "document_id": "2026_BMP_9_2", "path": "BMP/2026/09.02 - Dry Wells (Small-Scale GI)/images/page-0010-img-01.jpg", "association": "exact_source_pdf_and_page", "record_ids": [ "2026_BMP_9_2__0010__001" ], "direct_record_ids": [ "2026_BMP_9_2__0010__001" ], "table_record_ids": [], "display_asset_id": "2026_BMP_9_2__image__0010__01__f1e9f187" } ] }