NYC Law Department release
Independent mirror · updated as the City releases more · v1.2.6
← Document results/DEP Box 50/130 CEDAR STREET
Document / 105 pages

Air sampling protocol document, 130 Cedar Street, Jan 2005

Machine-extracted title · confidence 100%

Protocol document outlining air sampling and monitoring procedures for 130 Cedar Street.

NYC-WTC_000125098–000125202

Folder label: “130 CEDAR STREET

Page image
Scanned page image, NYC-WTC_000125176
OCR text

OCR status: ok · source: pdftotext

NYC 9/11 Public Portal Document

130 Cedar Street July 15, 2004 Selective Demolition and Facade Restoration Koenen Associates C. Prevent mortar from staining face of surrounding masonry and other surfaces.

1. Cover sills, ledges, and projections to protect from mortar droppings. 2. Keep wall area wet below rebuilding and pointing work to discourage mortar from adhering. 3. Immediately remove mortar in contact with exposed masonry and other surfaces. 4. Clean mortar splatters from scaffolding at end of each day.

3.2 UNUSED ANCHOR REMOVAL

A. Remove masonry anchors, brackets, wood nailers, and other extraneous items no longer in use unless identified as historically significant or indicated to remain.

1. Remove items carefully to avoid spalling or cracking masonry. 2. If item cannot be removed without damaging surrounding masonry, cut off item flush with surface and core drill surrounding masonry and item as close around item as practical. 3. Patch holes where items were removed unless directed to remove and replace units.

3.3 BRICK REMOVAL AND REPLACEMENT

A. See Section 04200 Unit Masonry

3.4 REANCHORING VENEERS A. Install masonry repair anchors in horizontal mortar joints and according to manufacturer's written instructions. Install at not more than 16 inches (400 mm) o.c. vertically and 32 inches (800 mm) o.c. horizontally, unless otherwise indicated. Install at locations to avoid penetrating flashing.

B. Recess anchors at least 5/8 inch (16 mm) from surface of mortar joint and fill recess with pointing mortar.

3.5 REPLACING OR RESTORING SHELF ANGLES A. Remove existing face brick and back up at shelf angle location. Salvage undamaged face brick for reinstallation.

B. Remove all loose materials and backup from the void to expose the steel shelf angle for the full length of the opening.

C. Clean all exposed surfaces of the the steel shelf angle. Remove all corrosion by- products using power wire burshing techniques.

D. Clean the steel and the opening of all loose dust and debris with oil-free compressed air.

CLAY MASONRY RESTORATION AND CLEANING 04901 -9

NYC-WTC 000125176

OCR can misread numbers and units. Confirm readings against the page image before using them.

NYC-WTC_000125176Source: NYC Law Department, mirrored locally

Related records

Browse subjects →

Ranked by indexed similarity. Reasons describe shared subjects and filing context; check the source records.

Same-box records

Filed elsewhere

More like this page

Similar subjects in other documents. Similarity does not establish the same event, measurement or conclusion.

Page similarity is temporarily unavailable or this page has no indexed vector.

Buildings in this record

Machine-extracted building matches; verify each source. Buildings, never households.

Others also read

Readers open these alongside this record — through an Ask answer, the same folder, or indexed similarity. Not a claim they are about the same event.

Compare copies and versions →