Fax forwarding DEP briefing materials for Mayor's meeting, March 2002

NYC 9/11 Public Portal Document

Friday 15 of Mar 2002, Mayor Office ->718 595 4544 Page 16 of 29

8. In kind repair or reconstruction of concrete masonry walls, parapets, chimneys, or cornices, including nfoilar thlt matches the’color? strength, and joint tooling of historic mortar, where occuning.

9. Bracing and reinforcing of chimneys and fireplaces, proxided the bracing and reinforcing are either concealed from e.vterior view or removable in the future.

10. Strengthening of foundations and the addition of foundation bolts, provided ihal visible new work is in kind, including moilar that matches the color, strength, and joint tooling of historic mortar, .where occurring.

E. Roofing

1. In kind repair, replacement, or strengthening of roofing, gutters, or downspouts. .Also, cement asbestos shingles may be replaced w ith asphalt based shingles, and untreated wood shingles may be replaced with fire resistant wood .shingles. prox-ided that if the e.xisling roofing i.s historic, the new roofing will match the historic appearance.

F. Weatherproofing and Insulation

1. Caulking and weather-stripping to complement the color of adjacent surfaces.

2. In kind replacement or installation of insulation systems, provided that decorative interior plaster, woodwork, or exterior siding is not altered. This .Allowance does not apply to urea formaldehyde foam insulation or any other thermal insulation containing waler, wlien installed within wall cavities. .Also, the .Allowance does not apply to insulation systems that do not include an adequate vapor retarder, or to work in enclosed spaces that are not vented.

G. Seismic Upgrades

1. The installation of the thllowing seismic upgrades, provided that such upgrades are not x’isible on the e.xterior or within character defining historic interiors: cross bracing on pier and post foundations: metal fasteners: collar lies: gussets: tie downs: strapping and anchoring of mechanical, electrical and plumbing equipment: concealed anchoring of furniture: installation of plywood diaphragms beneath first floor joists, abox-e lop Toor ceiling rafters, and on roofs: and automatic gas shut off x'ah’es.

III. ROADS AND ROADWAY S

A. Repair of road.s to pre-disaster geometric design standards and conditions using in kind materials, number and width of lanes, shoulders, medians, curvature, grades, clearances. and side slopes.

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