ALTERATIONS

In addition to the many new buildings that we have designed since 1927, we have performed structural engineering services for thousands of alteration projects.

Typical Tenant & Landlord Improvements Include:

New Interconnecting Stairs
New Elevators & Escalators
New Moveable Wall Systems
New Cooling Towers, Generators & Chillers

Vertical Expansions
Load Checks for High-Density Files,
UPS & Batteries, Libraries, etc.
Window Washing Rigs
Kitchen Facilities

Small sampling of the buildings in which we've preformed work.

*1 MetLife Plaza (LIC)
10 East 34th Street
141 West 36th Street
21 West 38th Street
320 Fifth Avenue
330 East 59th Street
41 Union Square
52 Vanderbilt Avenue

*245 Park Avenue
*Grace Building (1114 Sixth Avenue)
World Financial Center

*135 West 50th Street
1619 Broadway
*485 Lexington Avenue
623 Fifth Avenue
*660 Madison Avenue
*750 Third Avenue
770 Broadway
960 Sixth Avenue

*2 Broadway
*477 Madison Avenue
681 Fifth Avenue

112 West 34th Street
1400 Broadway
1500 Broadway

1133 Avenue of the Americas
1155 Avenue of the Americas
205 East 42nd Street
*655 Third Avenue
*675 Third Avenue
*733 Third Avenue

*590 Madison Avenue

418 Myrtle Avenue (Brooklyn)
* 5 East 42nd Street (6 East 43rd Street)

*1345 Sixth Avenue
*299 Park Avenue
*605 Third Avenue
*Park Avenue Plaza (55 East 52nd Street)

120 Broadway
* 529 Fifth Avenue

10 Downing Street
120 West 97th Street
141 East 33rd Street
1619 Broadway
167 East 82nd Street
315 West 33rd Street
360 East 65th Street
8 Gramercy Park South

1 Smith Street (Brooklyn)
180 Livingston Street (Brooklyn)
189 Montague Street (Brooklyn)

1540 Broadway
* 850 Third Avenue

* 140 Broadway

*1345 Sixth Avenue
170 Varick Street
*450 Park Avenue
*466 Lexington Avenue

*1180 Sixth Avenue
*135 West 50th Street
One Park Avenue

*55 Water Street

*1301 Sixth Avenue
*1325 Sixth Avenue
*1633 Broadway
31 West 52nd Street
745 Fifth Avenue
900 Third Avenue

387 Park Avenue South

One Battery Park Plaza
*One Whitehall Street
1070 Second Avenue
1085 Park Avenue
*110 Wall Street
136 East 55th Street
1400 Benson Street (Bronx)
*1675 Broadway
2 Fifth Avenue
211 East 70th Street
215 East 68th Street
241 Central Park West
254 East 68th Street
27 West 86th Street
295 Central Park West
*30 Park Avenue
300 East 57th Street
*345 Park Avenue
*355 Lexington Avenue
*40 East 52nd Street
*40 Park Avenue
40 West 86th Street
41 Madison Avenue
*415 Madison Avenue
544 East 86th Street
55 Broad Street
560 Lexington Avenue
*641 Lexington Avenue
65 Central Park West
*80 Pine Street
*845 Third Avenue
85 East End Avenue

945 Fifth Avenue

Chelsea Piers
*G.M. Building (767 Fifth Avenue)
Lipstick Building (885 Third Avenue)
*MetLife Building (200 Park Avenue)
1155 Sixth Avenue

*OJR is Engineer of Record (Designed the Original Structure)