2c:null 2d:["$","title",null,{"children":"What are Sidewalk Sheds? | BetaNYC | Observable"}] 32:T919,{ const { sheds_locallaw_ft, sheds_locallaw_ft_mn, latest_date } = data_points; return md` **Data Updated:** ${latest_date.toLocaleDateString("en-US")} # What are Sidewalk Sheds? Sidewalk sheds, also known as scaffolding, are a common sight in New York City. These structures are typically erected to protect pedestrians from falling debris or to provide support for building renovations. While they serve an important safety function, they can also be a nuisance in neighborhood if left up for years on end. There currently are ${d3.format(",")( sheds.length )} active sheds. The average age of a shed is ${d3.format( 0.3 )( d3.mean(sheds, (d) => d.Age) )} days old, and the oldest shed is ${d3.format( 0.3 )(sheds[sheds.length - 1].Age / 365)} years old. There are two main reasons why sheds might be up, building construction or maintenance, or due to unsafe facades (Local Law 11). Of the ${ sheds.length } sheds, ${sheds_locallaw.length} or ${d3.format(".2%")( sheds_locallaw.length / sheds.length )} are required by Local Law 11 inspections. The other ${d3.format(".2%")( (sheds.length - sheds_locallaw.length) / sheds.length )} percentage are made up by Construction or Maintenance. ## What is Local Law 11? Local Law 11 also known as the **[Façade Inspection Safety Program](https://www.nyc.gov/site/buildings/safety/facade-inspection-safety-program-fisp-filing-instructions.page) (FISP)**, requires the owners of certain buildings to conduct regular inspections of the exterior walls and appurtenances of their buildings and to file reports of their findings with the Department of Buildings (DOB). The law applies to buildings **over six stories** in height, and inspections must be done **every five years** by a licensed architect or engineer. The purpose of the law is to ensure the safety of the public and the preservation of the structural integrity of buildings. ${note`Buildings that have six stories and a basement (above 50% of the grade; as apposed to a cellar) must be inspected as well.`} > Buildings that are inspected and graded **Unsafe** or buildings that have two consecutive inspection cycles graded **Safe With a Repair and Maintenance (SWARMP)** must have sidewalk sheds up. `; }33:Tb7d,sn` ## Cycles To avoid having all buildings inspected at the same time, the DOB has inspections sub-cycles. We are currently in Cycle 9, which runs from February 21, 2015, through February 20, 2025. Cycle 9 is broken down into sub-cycles A through C, tax blocks that end with specific lot numbers must file between the dates of their sub-cycle. ${note`Cycle 9 sets forth new requirements. Some highlights are at least one physical examination per 60 linear feet of the facade along a Public Right of Way; date photo documentation with the QEWI in the photo; and a cavity wall probe (the wall behind the Façade) every odd cycle. Others rules note the use of drones, high-resolution photography, non-destructive testing, or other similar methods does not eliminate the requirements for close-up inspections. Read more about [§103-04 here.](https://www.nyc.gov/assets/buildings/rules/1_RCNY_103-04.pdf)`} For example the [Flatiron Building](https://zola.planning.nyc.gov/l/lot/1/851/1) has the tax lot number (BBL) of 1008510001 or Manhattan (Borough 1) | **Block 851** | Lot 1. The last digit of the block is 1 so the sub-cycle is **C**. The building would have to submit its report on DOB NOW: Safety between 2/21/2022 to 2/21/2024.

Diagram Cycle 9 with sub-cycle filing periods: [NYCDOB](https://www1.nyc.gov/assets/buildings/pdf/subcycle_9.pdf)

## Inspections in detail An inspection will end with a grade of : - Safe: No problems and in good condition (OK) - Safe With a Repair and Maintenance Program (SWARMP) - Unsafe: Problems/defects threaten public safety (UN) **OK** graded buildings don't need to be inspected until the next Cycle. **SWARMP** are buildings that have at least one condition that is not a hazard at the time and does not need to be repaired in 12 months. SWARMP does not need immediate action but it is necessary to complete repairs by the start of the next cycle. If repairs are not made the condition of the façade must be classified as Unsafe. A facade may not be classified as “SWARMP” for two consecutive filing cycles. **UN** is a building with at least one condition that is an immediate hazard or needs to be fixed within 12 months. It would be reported to the DOB and with a sidewalk shed installed. Repairs are permitted for 90 days. If the repairs take longer than 90 days, the DOB can grant extensions if certain conditions are met. A timeframe needs to be established to complete repair work with a completion date (MM/DD/YY). Timeframes of more than five years will not be accepted. These timeframes are taken to account when there is there are extensions. To resolve an UNSAFE grade, an amended report must be filed and DOB must accept it. A partial shed removal request can be requested, one side of the shed is finished. `34:T66c,## Accessing Information Check when your building was last inspected [here,](https://a810-dobnow.nyc.gov/publish/Index.html#!/search) and the citywide [Façade Safety Report](https://www.nyc.gov/site/buildings/dob/facade-safety-report.page). 1. Search by Addresses or any other ids 2. Under `Jobs/Occupancy/Compliance Filings` click on `SAFETY: Compliance Filings` 3. Select the `Compliance Type:` drop down and click on `Facades`

DOB-NOW SAFETY: Compliance Filings for the Flatiron building. Note 2007 (Cycle 6) and 2013 (Cycle 7) are both SWARMP that would lead to an automatic UNSAFE and the need to repair.

${note`Note: Some owners of buildings did not file in Cycle 8, the DOB has allow for Cycle 9 inspections cover both 8 and 9 beginning July 1, 2020 to August 31. Read the notice [here.](https://www.nyc.gov/assets/buildings/pdf/facade_amnesty_program_updatte_sn.pdf)`}

DOB-BIS is the older system the DOB uses. You can find older filings there.

As of cycle 9, FSP Certificates and notices must be displayed in lobbies as well.

Keep an eye out for FSP Certificates. This building was graded SWARMP with a date of repairs to be completed by 2021-12-31

35:T5dd,{ const { sheds_locallaw_ft, sheds_locallaw_ft_mn } = data_points; return md` --- In theory, Local Law 11 inspections should be quicker than construction or maintenance projects, however, Local Law 11 sheds tend to be up longer, with ${d3.format( 0.3 )(d3.mean(sheds_locallaw, (d) => d.Age))} days being the average. This can be due to many reasons: - Inspections may require a thorough examination of the building's exterior walls, including the façade, cornices, parapets, and other appurtenances. This can be a time-consuming process, especially for larger, older (historical), or more complex buildings. - Inspections might classify the building exterior as UNSAFE or SWARMP. A building that is marked SWARMP for two cycles is automatically assigned unsafe for the following cycle and a sidewalk sheld must be kept until the condition is repaired. - It can be expensive to hire engineers or architects, and masonry workers. - Improper inspections or active violations from the DOB due to Failure to File a Façade Technical Report or amendments. These sheds taking approximately ${d3.format(",")( sheds_locallaw_ft )} linear feet or ${d3.format(",.4")( sheds_locallaw_ft / 5280 )} miles of our streetscape. ${d3.format(",.4")( sheds_locallaw_ft_mn / 5280 )} miles of which are in Manhattan. # Active Local Law 11 sidewalk sheds *Hover over for more details, and click to see Google Streetview.* `; }36:T30b6,{ //setup canvas const container = d3.create("div"); const height = 1500, margin_left = 10, margin_right = 200; const tooltip = new Tooltip(container.append("div").classed("tooltip", true)); //for highlighting selection const svg = container .append("svg") .style("position", "absolute") .style("pointer-events", "none") .style("top", 0) .style("left", 0) .attr("width", width) .attr("height", height); const highlighted_section = svg.append("g"); const canvas = container .append("canvas") .attr("width", width * dpi) .attr("height", height * dpi) .style("width", width + "px") .style("height", height + "px"); //scales const row_length = width - margin_right, row_length_ft = 5280 * 3, //each row is 2 miles row_count = Math.ceil( d3.sum(sheds_locallaw, (d) => d["Sidewalk Shed/Linear Feet"]) / row_length_ft ), row_padding = 5, row_height = (height - (row_count + row_padding * 2) * row_padding) / row_count; const scale = d3 .scaleLinear() .range([0, row_length]) .domain([0, row_length_ft]); //labels for distances const distance_labels = [ { label: "Height of the Empire State Building (1250 ft)", ft: 1250 }, { label: "2 miles", ft: 5280 * 2 }, { label: "NYC Marathon (~26 miles)", ft: 26.219 * 1250 }, { label: "Top to the bottom of Manhattan (13 miles)", ft: 68640 }, { label: "Length of Long Island (120 miles)", ft: 120 * 5280 }, { label: "NYC to Albany (152 miles)", ft: 152 * 5280 } ]; const distance_group = svg .append("g") .attr("id", "distance-g") .selectAll("g") .data( distance_labels.map((d) => { const row_length = scale.invert(width - margin_right); const row_num = Math.floor(d.ft / row_length); d.x = scale(d.ft - row_length * row_num); d.y1 = row_num * (row_height + row_padding); return d; }) ) .enter() .append("g"); //line distance_group .append("line") .attr("x1", (d) => d.x + margin_left) .attr("x2", (d) => d.x + margin_left) .attr("y1", (d) => d.y1) .attr("y2", (d) => d.y1 + row_height) .attr("style", "stroke:black;stroke-width:2"); distance_group .append("text") .attr("x", (d) => d.x + margin_left + row_padding) .attr("y", (d) => d.y1 + row_height * 0.9) .attr( "style", "font-size:0.7rem;fill:black;font-weight:400;line-height:0.5rem;" ) .text((d) => d.label); //canvas const ctx = canvas.node().getContext("2d"); ctx.scale(dpi, dpi); let x_cursor = margin_left, row_cursor = 0; //sheds rect let rects = []; sheds_locallaw.forEach((d, i) => { let rect = null; //holder to add into rects array for indexing const length = scale(d["Sidewalk Shed/Linear Feet"]), is_inverse = !!(row_cursor % 2), // not used color = colorScale(d.Age) + "F8"; // add alpha to hex color //check if entry fits in current row if (x_cursor + length <= row_length) { const y = row_cursor * (row_height + row_padding); rect = draw_rect(x_cursor, y, length, row_height, is_inverse, color); rects.push({ ...rect, ...d }); x_cursor += length; if (i === sheds_locallaw.length - 1) { //draw extras at the every end draw_deco(y, height, row_padding, x_cursor); draw_deco_supports( x_cursor, row_cursor, row_height, row_padding, row_length ); } } else { const part1_length = row_length - x_cursor, part2_length = length - part1_length, part1_y = row_cursor * (row_height + row_padding), part2_y = (row_cursor + 1) * (row_height + row_padding); rect = draw_rect( x_cursor, part1_y, part1_length, row_height, is_inverse, color ); rects.push({ ...rect, ...d }); rect = draw_rect( margin_left, part2_y, part2_length, row_height, is_inverse, color ); rects.push({ ...rect, ...d }); draw_deco(part1_y, row_height, row_padding, row_length); x_cursor = part2_length + margin_left; row_cursor += 1; } }); function draw_rect(x, y, length, height, is_inverse, color) { ctx.beginPath(); ctx.rect(x, y, length, height); ctx.strokeStyle = "white"; ctx.stroke(); ctx.fillStyle = color; ctx.fill(); ctx.closePath(); return { min_x: x, min_y: y, max_x: x + length, max_y: y + height }; } function draw_deco(y1, height, padding, end_x) { //deco on the start and ends const y2 = y1 - padding, offset1 = 30, offset2 = offset1 / 2; ctx.beginPath(); ctx.moveTo(margin_left, y1); ctx.lineTo(margin_left + offset2, y2); ctx.lineTo(margin_left + offset1, y2); ctx.lineTo(margin_left + offset2, y1); ctx.fillStyle = "rgba(155,155,155,0.5)"; ctx.fill(); ctx.closePath(); ctx.beginPath(); ctx.moveTo(end_x, y1); ctx.lineTo(end_x - offset2, y2); ctx.lineTo(end_x - offset1, y2); ctx.lineTo(end_x - offset2, y1); ctx.fillStyle = "rgba(155,155,155,0.5)"; ctx.fill(); ctx.closePath(); } function draw_deco_supports( x_cursor, row_cursor, row_height, row_padding, row_length ) { //draw previous if there is space if (row_length - x_cursor > row_length * 0.25) { //draw downward supports const y = row_cursor * (row_height + row_padding) - row_padding, length = row_length - x_cursor; draw_supports_at(x_cursor, y, length, row_height * 2 + row_padding); } draw_supports_at( margin_left, (row_cursor + 1) * (row_height + row_padding) - row_padding, x_cursor, row_height ); } function draw_supports_at(start_x, y, length, height) { const support_distance = 30, support_counts = Math.floor(length / support_distance), support_side = length - support_counts * support_distance; Array.from(Array(support_counts)).forEach((_, i) => { const x = start_x + support_side + i * support_distance; ctx.beginPath(); ctx.moveTo(x, y); ctx.lineTo(x, y + height); ctx.strokeStyle = "rgba(120,192,230,0.8)"; ctx.stroke(); ctx.closePath(); //add random cross beams const random = d3.randomInt(1, 4)(); if (random === 3 && i < support_counts - 1) { ctx.beginPath(); ctx.moveTo(x, y); ctx.lineTo(x + support_distance, y + height); ctx.moveTo(x + support_distance, y); ctx.lineTo(x, y + height); ctx.strokeStyle = "rgba(120,192,230,0.8)"; ctx.stroke(); ctx.closePath(); } else if (random === 2 && i < support_counts - 1) { ctx.beginPath(); ctx.moveTo(x, y + height / 2); ctx.lineTo(x + support_distance, y + height / 2); ctx.strokeStyle = "rgba(120,192,230,0.8)"; ctx.stroke(); ctx.closePath(); } else { return; } }); } // create our Flatbush index const index = new Flatbush(rects.length); rects.forEach(({ min_x, min_y, max_x, max_y }) => index.add(min_x, min_y, max_x, max_y) ); index.finish(); //hover over canvas.on("mousemove", mousemoved); canvas.on("click", mouseclick); function tooltipContents(d) { return `

${d["House Number"]} ${d["Street Name"].trim()}, ${ d["Borough Name"] }

Linear ft :

${ d["Sidewalk Shed/Linear Feet"] }

Age :

${d.Age} days (${d3.format(".2")( d.Age / 365.25 )} years)

Ownership:

${ownertype_lookup[d.ownertype]}

`; } function mouseclick(e) { const [x, y] = d3.pointer(e, canvas.node()); const results = index.search(x, y, x, y); const rect = rects[results[0]]; if (results.length === 0) { return; } //go to google streetview const url = `https://www.google.com/maps?hl=en&q=${[ rect["House Number"], rect["Street Name"].trim() + ",", rect["Borough Name"] ].join("+")}`; window.open(url, "_blank"); } function mousemoved(e) { const [x, y] = d3.pointer(e, canvas.node()); const results = index.search(x, y, x, y); //draw outline highlighted_section.selectAll("rect").data([]).exit().remove(); if (results.length === 0) { tooltip.hide(); return; } //find all sheds with Job Number const job_number = rects[results[0]]["Job Number"]; const sheds = rects.filter((shed) => shed["Job Number"] === job_number); canvas.style("cursor", "pointer"); tooltip.move(e); tooltip.display(sheds[0], tooltipContents); highlighted_section .selectAll("rect") .data(sheds) .enter() .append("rect") .attr("x", (d) => d.min_x) .attr("y", (d) => d.min_y) .attr("width", (d) => d.max_x - d.min_x) .attr("height", (d) => d.max_y - d.min_y) .style("stroke", "red") .style("fill", "none") .style("stroke-width", 1); } const side_group = svg.append("g").attr("id", "side"); let min_y_list = []; const ticks = side_group .selectAll("g") .data(colorScale.domain()) .enter() .append("g") .attr("transform", (d, i) => { //find the row where the first case of the year shows up const min_y = rects.find((r) => r["Age"] >= d)?.["min_y"] || 0; //off set by a bit min_y_list.push(min_y); const y = min_y + (min_y_list.filter((r) => r === min_y).length - 1) * row_padding * 2; return `translate(${width - margin_right * 0.95}, ${y})`; }); ticks .append("rect") .attr("height", 2) .attr("width", row_padding * 2); ticks .append("text") .attr("y", row_padding) .attr("x", row_padding * 3) .attr("text-anchor", "start") .text((d) => d3.format(".2")(d / 365.25) + " years") .attr("style", "font-size:0.7rem;fill:#454C4F;"); //add addiontal notes for the first year const side_text1 = side_group .append("text") .attr("transform", () => { //get the y for the items between 0 and 0.5 years const y1 = 0; const y2 = rects.find((r) => r["Age"] >= 365.25 / 2)?.["min_y"] || 0; const y = (y2 - y1) / 2; return `translate(${width - margin_right * 0.95}, ${y})`; }) .attr("style", "font-size:0.8rem;font-style: italic;"); side_text1.append("tspan").text(() => { const percent = sheds_locallaw.filter((d) => d.Age < 365.25 / 2).length / sheds_locallaw.length; return d3.format(".2%")(percent) + " of sheds"; }); side_text1 .append("tspan") .text("are less than 1/2 year old.") .attr("x", 0) .attr("dy", "1.2em"); const side_text2 = side_group .append("text") .attr("transform", () => { //get the y for the items between 0 and 0.5 years const y1 = rects.find((r) => r["Age"] >= 365.25 / 2)?.["min_y"] || 0; const y2 = rects.find((r) => r["Age"] >= 365.25)?.["min_y"] || 0; const y = y1 + (y2 - y1) / 2; return `translate(${width - margin_right * 0.95}, ${y})`; }) .attr("style", "font-size:0.8rem;font-style: italic;"); side_text2.append("tspan").text(() => { const percent = sheds_locallaw.filter((d) => d.Age >= 365.25 / 2 && d.Age < 365.25) .length / sheds_locallaw.length; return d3.format(".2%")(percent) + " of sheds"; }); side_text2 .append("tspan") .text("are between 1/2 and 1 year old.") .attr("x", 0) .attr("dy", "1.2em"); const side_text3 = side_group .append("text") .attr("transform", () => { //get the y for the items between 0 and 0.5 years const y1 = rects.find((r) => r["Age"] >= 365.25)?.["min_y"] || 0; const y2 = rects.find((r) => r["Age"] >= 365.25 * 5)?.["min_y"] || 0; const y = y1 + (y2 - y1) / 2; return `translate(${width - margin_right * 0.95}, ${y})`; }) .attr("style", "font-size:0.8rem;font-style: italic;"); side_text3.append("tspan").text(() => { const percent = sheds_locallaw.filter((d) => d.Age >= 365.25 && d.Age < 365.25 * 5) .length / sheds_locallaw.length; return d3.format(".2%")(percent) + " of sheds"; }); side_text3 .append("tspan") .text("are between 1 - 5 years old.") .attr("x", 0) .attr("dy", "1.2em"); return container.node(); }37:T536,{ const sheds_locallaw_copy = JSON.parse(JSON.stringify(sheds_locallaw)); const maxDays = sheds_locallaw_copy.sort((a, b) => b.Age - a.Age)[12].Age; const textPlots = [ Plot.text(sheds_locallaw_copy, { x: "Longitude Point", y: "Latitude Point", filter: (d) => d.Age > maxDays, text: (d) => `${d["House Number"]} ${d["Street Name"].trim()}`, stroke: "white", strokeOpacity: 0.3, fill: "black", opacity: 0.8, dy: -6 }), Plot.dot(sheds_locallaw_copy, { x: "Longitude Point", y: "Latitude Point", filter: (d) => d.Age > maxDays, stroke: "red", strokeOpacity: 0.4 }) ]; return Plot.plot({ projection: { type: "mercator", domain: extent }, height: 600, caption: `Location of sheds over ${selectedYear} years. Top 12 sites circled.`, opacity: { legend: true, range: [0.2, 1] }, length: { range: [1, 60] }, marks: [ Plot.geo(boroughs), Plot.geo(nycd, { strokeOpacity: 0.1 }), Plot.vector(sheds_locallaw, { x: "Longitude Point", y: "Latitude Point", filter: (d) => d.Age > 365 * selectedYear, length: "Age", strokeOpacity: "Age", markerEnd: "arrow", shape: "spike" }), ...textPlots ] }); }38:T641,# What are some current policies we can enact to reduce the time Local Law 11 scaffolding is up for? ## [Current policies](https://www.nyc.gov/site/buildings/safety/facade-fees-penalties.page) - Failure to correct unsafe conditions (requires a sidewalk shed to be up at all times) would result in a month fee of $1000. After two years a dollar amount for each foot/ per month would be added.

New rules under the Rules of the City of New York §103-04

- Buildings that don't repair SWARMP conditions for two cycles, which roll overs to UNSAFE would get a fine of $2,000 - An extension request would cost $305 to file. This has to be done every 90 days and can be denied by the DOB. - Late filings are subjected to $1000/month from $250/month. ## New policies See the [MBP Levine's Shed the Shed Report](http://www.manhattanbp.nyc.gov/wp-content/uploads/2023/03/Shed-the-Shed-Report-V5.pdf) ### Ownership of lots The predominant property owner type is `Unknown (Usually Private Ownership)`. However, a larger percentage of `City ownership` and `Mixed city & private ownership` are sidewalk shed that has been up for over a year. This makes city-owned sidewalk sheds up on average ${d3.format('.2f')(d3.mean(sheds_locallaw.filter(d => d.ownertype === 'C'), d => d.Age))} days and Mixed ownership sidewalk sheds up on average ${d3.format('.2f')(d3.mean(sheds_locallaw.filter(d => d.ownertype === 'M'), d => d.Age))} days. 39:T46a,{ const sum = d3.rollup( sheds_locallaw, (v) => d3.sum(v, (d) => d["Sidewalk Shed/Linear Feet"]), (d) => d.ownertype ); const boro_counts_map = d3.rollup( sheds_locallaw, (v) => { const ownertype_sum = sum.get(v[0].ownertype); return d3.sum(v, (d) => d["Sidewalk Shed/Linear Feet"]) / ownertype_sum; }, (d) => ownertype_lookup[d.ownertype] + "," + d["age_color"] ); const boro_counts = Array.from(boro_counts_map) .slice() .reverse() .map(([borough_color, linear_feet]) => ({ borough: borough_color.split(",")[0], age: borough_color.split(",")[1], linear_feet })); return Plot.plot({ marginLeft: 300, width, y: { label: "", domain: d3 .sort(boro_counts, (d) => Object.values(ownertype_lookup).indexOf(d.borough) ) .map((d) => d.borough) }, x: { label: "→ Percent of total linear feet", grid: true }, marks: [ Plot.barX(boro_counts, { y: "borough", x: "linear_feet", fill: "age" }), Plot.ruleY([0]) ] }); }3a:[{"id":"2ff6c6d06ba07145b71cfbf0363d3e3f62f4700ff812488a9680f19f38fc5f8b93b20de714c13e05a6a3902365ceadc169f6dcb52dbce2da4473d417fa32f128","href":"https://static.observableusercontent.com/files/2ff6c6d06ba07145b71cfbf0363d3e3f62f4700ff812488a9680f19f38fc5f8b93b20de714c13e05a6a3902365ceadc169f6dcb52dbce2da4473d417fa32f128","name":"sheds@3.csv","type":"text/csv","lastModified":1676995445250.482,"size":2615336},{"id":"20ab42b0b83d5786df499e85da470107c5cd207f005b8f50bf324ee1757cffe3d3049b0a8af60eb263b32e39b1189cb314a2c6e20a15df56d8ee74abfc03f5d5","href":"https://static.observableusercontent.com/files/20ab42b0b83d5786df499e85da470107c5cd207f005b8f50bf324ee1757cffe3d3049b0a8af60eb263b32e39b1189cb314a2c6e20a15df56d8ee74abfc03f5d5","name":"Screenshot 2023-01-23 at 16-20-51 DOB Public Portal.png","type":"image/png","lastModified":1674508916210.591,"size":105539},{"id":"e47f5b301c2ddc22303264055278a600137f9aa5bf8948daa774ed4149dce7c96bc6a62675e06148a5d1315d60577a7e0b5800ad0ebc26e66721f39cf072fc4c","href":"https://static.observableusercontent.com/files/e47f5b301c2ddc22303264055278a600137f9aa5bf8948daa774ed4149dce7c96bc6a62675e06148a5d1315d60577a7e0b5800ad0ebc26e66721f39cf072fc4c","name":"Screenshot 2023-01-23 at 16-22-37 Facades on Block _ Lot.png","type":"image/png","lastModified":1674508981156.701,"size":114342},{"id":"ed58235dc1c1b585fa42d9ed3ab6eae180eed095923d46e7d1c691dcd23a714bbf59e16b7b271177eb92c8a3a377327f07db801b865bbde4ca956f054dcd6b68","href":"https://static.observableusercontent.com/files/ed58235dc1c1b585fa42d9ed3ab6eae180eed095923d46e7d1c691dcd23a714bbf59e16b7b271177eb92c8a3a377327f07db801b865bbde4ca956f054dcd6b68","name":"Screenshot 2023-01-23 at 15-42-32 subcycle_9.pdf.png","type":"image/png","lastModified":1674506567609.132,"size":409653},{"id":"f5c5cfc735f4785399af4d027c166a934147b69f68d7b4e0a3c552845ef8b2d10eb15663b7116a5c4a5c08c781813d032dc729a9ec61dcd77cc4f0e1779d27f3","href":"https://static.observableusercontent.com/files/f5c5cfc735f4785399af4d027c166a934147b69f68d7b4e0a3c552845ef8b2d10eb15663b7116a5c4a5c08c781813d032dc729a9ec61dcd77cc4f0e1779d27f3","name":"Screenshot 2023-01-24 at 10-33-26 1 RCNY §103-04 - 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QEWIs need at least seven years of relevant experience and take an oral or written test.\n\nQEWIs will inspect a building and give it grade of SAFE, SWARMP, and UNSAFE. \n- Nothing has to be done for a SAFE grade.\n- If there is at least one condition that is not a hazard at the time and does not need to be repaired in 12 months repair would be graded SWARMP.\n- The SWARMP building needs to complete its repairs by the start of the next cycle. If the building is inspected the following the year and it is graded a SWARMP again, it gets upgraded to an UNSAFE.","pinned":false,"hidden":false,"mode":"md","author":"$undefined","summary":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"","database":"$undefined"},{"id":766,"value":"mermaid`graph TD\n\na0(Filling period of the subcycle) --> a1\na1(Building hires QEWI to conduct inspection\\n and a Façade Technical Review report is filled with a grade) --> b[SAFE]\n\n\na1 --> c0[SWARMP]\n\nc0 --> c1(Building needs to repair by start of the next cycle)\nc1 -->|Next cycle inspection grade is SWARMP,\\n condition gets worse, or repairs are not made.| d0\nc1 -->|Condition is correct by the next cycle| b\na1 --> d0[UNSAFE]\n\nd0 --> d1(continued..)\n\nstyle b fill:#fed93c,stroke:#333,stroke-width:4px\nstyle c0 fill:#fed93c,stroke:#333,stroke-width:4px\nstyle c1 fill:none,stroke:none;\nstyle d0 fill:#fed93c,stroke:#333,stroke-width:4px\nstyle d1 fill:none,stroke:none;\n`","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":865,"value":"A building is graded UNSAFE, a sidewalk shed must be put up, and given repairs are given a timeline. Every 90 days the building needs to be new until a QEWI submits an amended to the DOB and it gets approved.\n\nWhile the building is UNSAFE, the building is under pressure to be repaired, reinspected, and grade as SAFE or SWARMP. See [below](what-are-some-current-policies-and-we-can-enact-to-reduce-time-local-law-11-scaffolding-is-up-for-) for more details on policies and fees associated with UNSAFE grades and keeping sidewalk sheds active.","pinned":false,"hidden":false,"mode":"md","author":"$undefined","summary":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"","database":"$undefined"},{"id":848,"value":"mermaid`graph TD\nd0[UNSAFE] --> d1(Sidewalk shed is required)\nd1 --> d2(An estimate timeframe for repairs is submitted with the review)\nd2 --> d3(Every 90 days the building needs to renew with the DOB, regardless of active work)\nd3 --> d4(Repairs are made and a vaild Amended Report Technical Review is filled)\nd4 --> d3\nd4 --> d5[Graded SAFE or SWARMP]\nd5 --> d6(Sidewalk shed can be taken down)\n\nstyle d0 fill:#fed93c,stroke:#333,stroke-width:4px\nstyle d5 fill:#fed93c,stroke:#333,stroke-width:4px\n`","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":925,"value":"In cycle 8: 1826 (13%) of buildings were label unsafe, with 5362 (37%) of buildings being SWARMP.\n\n

Failure to File a Façade Technical Report (NRF), buildings that did not file during the cycle. Screenshot from BuildingsNY's Youtube Channel

","pinned":false,"hidden":false,"mode":"md","author":"$undefined","summary":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"","database":"$undefined"},{"id":539,"value":"$33","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":664,"value":"$34","pinned":false,"hidden":false,"mode":"md","author":"$undefined","summary":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"","database":"$undefined"},{"id":546,"value":"$35","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":14,"value":"$36","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":1148,"value":"{\n const more_than_1_year =\n sheds_locallaw.filter((d) => d.Age >= 365.25).length /\n sheds_locallaw.length;\n const percent = d3.format(\".2%\")(more_than_1_year) + \" of sidewalk sheds\";\n\n const between_1_5_years = sheds_locallaw.filter(\n (i) => i.Age >= 365.25 && i.Age < 365.25 * 5\n );\n\n return md`\n## ${percent} are more than a year old.\n `;\n}","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":1397,"value":"Plot.plot({\n grid: true,\n width,\n x: {\n domain: [0, 365.25 * 16],\n ticks: 20,\n //interval: 365.25 / 2,\n tickFormat: (d) => d3.format(\".1f\")(d / 365.25),\n tickRotate: 0\n },\n marks: [\n Plot.rectY(\n sheds_locallaw,\n Plot.binX({ y: \"count\" }, { x: \"Age\", fill: \"green\" })\n ),\n Plot.ruleY([0])\n ]\n})","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":1624,"value":"### Where are the oldest of sheds?","pinned":false,"hidden":false,"mode":"md","author":"$undefined","summary":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"","database":"$undefined"},{"id":1615,"value":"\n

DOB's Active Sidewalk Shed Permits Map now proivdes filtering by age.

","pinned":false,"hidden":false,"mode":"html","author":"$undefined","summary":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"","database":"$undefined"},{"id":1639,"value":"viewof selectedYear = Inputs.range([0, 10], {\n label: \"Filter by age (years)\",\n step: 0.5,\n value: 2\n})","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":1277,"value":"$37","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":1002,"value":"### Manhattan has most of the active sidewalk sheds.","pinned":false,"hidden":false,"mode":"md","author":"$undefined","summary":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"","database":"$undefined"},{"id":1494,"value":"Legend(\n d3.scaleOrdinal(\n [\"< 0.5\", \"0.5 - 1\", \"1-5\", \"5+\"],\n [\"#edf8e9\", \"#bae4b3\", \"#74c476\", \"#31a354\"]\n ),\n {\n title: \"Age (years)\",\n tickSize: 0\n }\n)","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":1520,"value":"//overall manhattan has the most sidewalk sheds\n{\n const boro_counts_map = d3.rollup(\n sheds_locallaw,\n (v) => v.length,\n (d) => d[\"Borough Name\"] + \",\" + d[\"age_color\"]\n );\n\n const boro_counts = Array.from(boro_counts_map)\n .slice()\n .reverse()\n .map(([borough_color, count]) => ({\n borough: borough_color.split(\",\")[0],\n age: borough_color.split(\",\")[1],\n count\n }));\n\n return Plot.plot({\n marginLeft: 50,\n x: {\n label: \"\",\n domain: d3.sort(boro_counts, (d) => -d.count).map((d) => d.borough)\n },\n y: {\n label: \"↑ Count\",\n grid: true\n },\n marks: [\n Plot.barY(boro_counts, {\n x: \"borough\",\n y: \"count\",\n fill: \"age\"\n }),\n Plot.ruleY([0])\n ]\n });\n}","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":969,"value":"//overall manhattan has the most sidewalk sheds\n{\n const boro_counts_map = d3.rollup(\n sheds_locallaw,\n (v) => d3.sum(v, (d) => d[\"Sidewalk Shed/Linear Feet\"]),\n (d) => d[\"Borough Name\"] + \",\" + d[\"age_color\"]\n );\n\n const boro_counts = Array.from(boro_counts_map)\n .slice()\n .reverse()\n .map(([borough_color, linear_feet]) => ({\n borough: borough_color.split(\",\")[0],\n age: borough_color.split(\",\")[1],\n linear_feet\n }));\n\n return Plot.plot({\n marginLeft: 50,\n x: {\n label: \"\",\n domain: d3.sort(boro_counts, (d) => -d.linear_feet).map((d) => d.borough)\n },\n y: {\n label: \"↑ Total linear feet\",\n grid: true\n },\n marks: [\n Plot.barY(boro_counts, {\n x: \"borough\",\n y: \"linear_feet\",\n fill: \"age\"\n }),\n Plot.ruleY([0])\n ]\n });\n}","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":396,"value":"$38","pinned":false,"hidden":false,"mode":"md","author":"$undefined","summary":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"","database":"$undefined"},{"id":1515,"value":"Legend(\n d3.scaleOrdinal(\n [\"< 0.5\", \"0.5 - 1\", \"1-5\", \"5+\"],\n [\"#edf8e9\", \"#bae4b3\", \"#74c476\", \"#31a354\"]\n ),\n {\n title: \"Age (years)\",\n tickSize: 0\n }\n)","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":1608,"value":"#### Linear Feet by Age/Ownership","pinned":false,"hidden":false,"mode":"md","author":"$undefined","summary":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"","database":"$undefined"},{"id":1205,"value":"{\n const boro_counts_map = d3.rollup(\n sheds_locallaw,\n (v) => d3.sum(v, (d) => d[\"Sidewalk Shed/Linear Feet\"]),\n (d) => ownertype_lookup[d.ownertype] + \",\" + d[\"age_color\"]\n );\n\n const boro_counts = Array.from(boro_counts_map)\n .slice()\n .reverse()\n .map(([borough_color, linear_feet]) => ({\n borough: borough_color.split(\",\")[0],\n age: borough_color.split(\",\")[1],\n linear_feet\n }));\n\n return Plot.plot({\n marginLeft: 300,\n width,\n y: {\n label: \"\",\n domain: d3\n .sort(boro_counts, (d) =>\n Object.values(ownertype_lookup).indexOf(d.borough)\n )\n .map((d) => d.borough)\n },\n x: {\n label: \"→ Total linear feet\",\n grid: true\n },\n marks: [\n Plot.barX(boro_counts, {\n y: \"borough\",\n x: \"linear_feet\",\n fill: \"age\"\n }),\n Plot.ruleY([0])\n ]\n });\n}","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":1605,"value":"#### Percent by Age/Ownership","pinned":false,"hidden":false,"mode":"md","author":"$undefined","summary":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"","database":"$undefined"},{"id":1230,"value":"$39","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":1333,"value":"{\n return Plot.plot({\n projection: { type: \"mercator\", domain: extent },\n height: 600,\n opacity: {\n range: [0.2, 1]\n },\n length: {\n range: [0, 100]\n },\n color: { legend: true },\n marks: [\n Plot.geo(boroughs),\n Plot.geo(nycd, { strokeOpacity: 0.1 }),\n Plot.vector(sheds_locallaw, {\n x: \"Longitude Point\",\n y: \"Latitude Point\",\n length: \"Age\",\n stroke: \"ownertype_long\",\n strokeOpacity: \"Age\",\n markerEnd: \"arrow\",\n shape: \"spike\"\n })\n ]\n });\n}","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":366,"value":"**Data Sources**: Department of Buildings [Sidewalk shed map](https://www1.nyc.gov/assets/buildings/html/sidewalk-shed-map.html) and PLUTO.\n\n**Information sources** :\n- https://www.nyc.gov/site/buildings/safety/facade-report-guidelines.page\n- https://www.nyc.gov/site/buildings/dob/facade-safety-report.page\n- https://www.nyc.gov/site/buildings/safety/facade-inspection-safety-program-fisp-filing-instructions.page\n- https://ibo.nyc.ny.us/iboreports/how-has-the-number-of-sidewalk-sheds-on-city-streets%20-changed-over-time-nycbtn-january-2022.pdf\n- https://www.hauseit.com/fisp-local-law-11-nyc/\n- https://yoreevo.com/blog/local-law-11\n- https://www.youtube.com/watch?v=iTCqDPFmSTg\n","pinned":false,"hidden":false,"mode":"md","author":"$undefined","summary":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"","database":"$undefined"},{"id":6,"value":"sheds = d3\n .csvParse(await FileAttachment(\"sheds@5.csv\").text(), d3.autoType)\n .sort((a, b) => a.Age - b.Age)\n .map((d) => {\n d[\"Borough Name\"] = d[\"Borough Name\"].toUpperCase();\n d[\"age_color\"] = colorScale(d[\"Age\"]);\n d[\"ownertype_long\"] = ownertype_lookup[d.ownertype];\n return d;\n }) //fix boro names","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":9,"value":"sheds_locallaw = {\n return sheds.filter((shed) => shed.activity === \"Local Law 11\");\n}","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":16,"value":"dpi = window.devicePixelRatio || 1","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":295,"value":"import { Tooltip } from \"@clhenrick/tooltip-component\"","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":299,"value":"Flatbush = require(\"flatbush\")","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":352,"value":"ownertype_lookup = {\n return {\n C: \"City ownership\",\n O: \"Other - Public Authority; State or Federal Ownership\",\n X: \"Fully tax-exempt property\",\n M: \"Mixed city & private ownership\",\n P: \"Private ownership\",\n null: \"Unknown (Usually Private Ownership)\"\n };\n}","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":490,"value":"colorScale = d3\n .scaleThreshold()\n .domain([365.25 / 2, 365.25, 365.25 * 5])\n .range(d3.schemeGreens[5])","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":494,"value":"import { Legend } from \"@d3/color-legend\"","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":521,"value":"data_points = {\n return {\n sheds_locallaw_ft_mn: d3.sum(\n sheds_locallaw.filter((d) => d[\"Borough Name\"] === \"MANHATTAN\"),\n (d) => d[\"Sidewalk Shed/Linear Feet\"]\n ),\n sheds_locallaw_ft: d3.sum(\n sheds_locallaw,\n (d) => d[\"Sidewalk Shed/Linear Feet\"]\n ),\n latest_date: d3.max(sheds_locallaw, (d) => d[\"First Permit Date\"])\n };\n}","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":499,"value":"Legend(colorScale, {\n title: \"Days up\"\n})","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":601,"value":"import { sn, note } from \"@j-f1/sidenotes\"","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":4,"value":"","pinned":false,"hidden":false,"mode":"html","author":"$undefined","summary":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"","database":"$undefined"},{"id":1290,"value":"boroughs = {\n const data = await FileAttachment(\"nybb.topojson\").json();\n return topojson.feature(data, data.objects.nybb);\n}","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":1287,"value":"nycd = {\n const data = await FileAttachment(\"nycd.topojson\").json();\n return {\n type: \"FeatureCollection\",\n features: topojson\n .feature(data, data.objects.nycd)\n .features.filter((feature) => feature.properties.BoroCD % 100 <= 18)\n };\n}","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":1284,"value":"extent = {\n return {\n type: \"FeatureCollection\",\n features: [\n {\n type: \"Feature\",\n properties: {},\n geometry: {\n coordinates: [\n [\n [-74.07756279511456, 40.89261871160207],\n [-73.79589621831447, 40.89261871160207],\n [-73.79589621831447, 40.593033518732824],\n [-74.07756279511456, 40.593033518732824],\n [-74.07756279511456, 40.89261871160207]\n ]\n ],\n type: \"Polygon\"\n }\n }\n ]\n };\n}","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":1464,"value":"{\n const filter = sheds_locallaw.filter(\n (i) => i.Age < 365.25 * 5 //i.Age >= 365.25 && i.Age < 365.25 * 5\n );\n return filter.length;\n}","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":1546,"value":"{\n const d = sheds_locallaw\n .filter((i) => i[\"Borough Name\"] === \"MANHATTAN\")\n .filter(\n (i) => i.Age >= 365.25 * 5 && i.Age < 365.25 * 50 //i.Age < 365.25 * 0.5\n );\n\n return d3.sum(d, (i) => i[\"Sidewalk Shed/Linear Feet\"]);\n}","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":1578,"value":"sheds_locallaw.filter((i) => i[\"Sidewalk Shed/Linear Feet\"])","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"}],"files":"$W3a","stdlib":"1"}} 31:"$30:body"