5 2 WILLIAM STREET Bl. 40Lot: 16/1001006 52 WILLIAM STREET 1001006, 40/16

NYC 9/11 Public Portal Document

272-944-4374 ry p V r4 i 1 1' n`r l l ii / : l FI ,

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hall be, ,jnlrfhrnlld by a NY:SflfT. Heenceri .aAecfha emttractor with: NY FP an ' ti, •; •+: NY L'asbestos cetified +woslafia. f. v " :are!•,• _ Wf*=S s { The die ldbe perienced in cleaning bu0 facades. The clan ii area shall be specified ("specified area") by DL=P. The below the facade, cleaning shall covered with a layer of ulyethylsue sheeting. All de must be collected for disposal as A upon removal from the surthce. (f.e. All •must be double bagged In ACM waste 1 ed Kenning water or water runoff Me building to~ is not. Vii'

Building occupants shall notified prior to the fagade cl g. Acs s to tlie str et below the' façade cleaning shall be and marked with 'ern tape. Cleaning shall not be erfo med during wind speeds ester than 20 mph. All HVAC systems and air conditic shall be tu off. All windows shall be dosed during • .the cleaning of the building. Some condition and windows may. require sealing with duct tope to prevent water penetration. P

In cases where cquipmcat the roó All clean-up activities on the roof must by ewutplwz d prior w i>; vwrrxt front the rout. All horizontal surfaces and shall be cleaned'of large bulk material by wetting andhandbtushtngo nr=V~e with non-m 1Jic bristle brushes or non-metallic scrapers, by wet wiping and/or by I EPA va uming from top1 bottom. Only water shall be used for wet wiping and low-pressure washIpf Detergents, solv ts, additives, and any other chemical cleaning agents are probibitejl The removed mateq1 shall be immediately placed into enntainam (e.g. age). WintjAvs Affil he wet wipe. Frk miming water shall not be evident during this procedure. P er for HEPA vacuums ahalle supplied through ground fault izrtew9teers- ' Afkr complc ion of 4 Ls rcmo~cal,'the specified acca shall be car lly washed. A low praaiao was t .thniquc, uvutg from top to buttenn, shall be employe o miniM water' bounce- back. be washed with a low-pressure wash not to 'exceeà5O psi. AL t coinpltfn of work, a visual inspection of the abated sidewalks shall be perf ifythe absence of visible debris. Airmon/oring shall be performed by an independent NYSDOL licess .•third party air monito ig firmwith certified workers. in or4 mize disruption to the public and to the building ocx , it isbçcinmrndect thifroi1cbe /rkbe=pw ormed ehning fimneddminzoff4w=. off-hours.

NYC-WTC 000110242