NYC-WTC_000232566

NYC 9/11 Public Portal Document

104 East 25'” Street IO'” Floor New York, New York 10010-2917 212.353.8280 Fax 212.353.8306 ASSOCIATES INC.

February 5, 2002

Mr. Bernard P. Orlan New York City Board of Ed. -n 28-11 Queens Plaza North hone Island City, NY 1110!

Re: Scope of Work (Reww i| HS for Economics A 1 hiance (M833)

Dear Mr. Orlan;

Following a review of the ■ ■ e of Work, d.ited February 4, 2002 for the above referenced location, UFT representatix Ms. Chris Proctor and Ms. Ellie Engler have requested the following revisions to the 'Ci ne of work. I he revisions to the original scope of work are highlighted and italicized and appear on page .2 nf thi.s document, all other items within the scope of work will remain as origi, oated:

SCOPE OF W ORK

The Contractor shall . • rm a thorough, cleaning above suspended ceiling systems and plenums as well a.s \ . die elevator pit.s wiihin the building. Cleaning shall be performed utilizing iping/1 IfiP.A .icumning techniques in order to minimize the migration of dust w: ne buildinu.

Contractor will rem. :■■lmu eemiT- • an suspended ceiling systems on the first through tenth floor.s .c tiles will be o.isp. -sed of by the Contractor as conventional waste. Following th. . ..oval of the ceiling .des, the Contractor will perform the cleaning above the r a and within the plenums as described above. Cleaning of the plenum shall includ. . iiiiponeiits aiid s\ ems within the plenum. This work will be performed on a tloo' • nor basis, slatting u the tenth floor and working downward.

In areas where ceilii Sier and or slieeirix k ceilings exist, the Contractor shall cut access hatchc.s in va. Incaiions within e.i'.h space so as to allov,' for access above these ceilings forclc ■.■Fi j purposes.

• Cleaning shall be pc • led until all surface , are free of visible dust and/or debris. All other surfaces wiihi- I'liilding ineliiiiing but not limited to lights, diffusers, floors, walls, desks, chairs. .'wsilF. etc. snail 1 n- protected during this work and shall be rendered free ofan\ .md/or debris loilowing the cleaning and priorto air sampling.

CITY_21MC100_003110963

NYC-WTC_000232566