E-mails 2003 M. Gilsenan

NYC 9/11 Public Portal Document

New York City Department of Environmental Protection Bureau of Environmental Compliance

WTC Unoccupied Building Cleaning Program 114 Liberty Street Scope of Work Project #WTC-LBA

A MANDATORY PRE-BID meeting is scheduled for February 18, 2003 at 10:00 A.M. at 114 Liberty Street, Building Lobby, New York, N.Y. This conference will include a walk through of the entire building.

Background

A follow-up visit to 114 Liberty Street revealed minor dust accumulations present on surfaces within the interior of the building. The interior cleaning is to be accomplished by a licensed asbestos abatement contractor and monitored by a Monitoring Contractor.

Purpose

The Monitoring Contractor shall provide personnel experienced, trained, and certified in environmental sampling and asbestos air monitoring to be on-site, full-time, during work area preparation and cleaning phases of building interiors (12 stories —5,000 to 6,000 square feet per floor). Each apartment occupies an entire floor with the exception of the top floor that is a duplex and the apartment on the third floor that shares the floor with two commercial spaces. The entire interior of the building (residential, commercial, retail spaces, common spaces, etc.) is included in this work. Each floor has central HVAC systems.

The Monitoring Contractor shall provide qualified staff to observe the work, conduct air monitoring and sampling, and monitor the cleanup of the building interiors to ensure compliance with the project specifications and appropriate regulatory requirements. The Monitoring Contractor shall provide clearance sampling and analyses.

The Monitoring Contractor shall provide qualified staff to collect samples for asbestos, lead, polyaromatic hydrocarbons (PAHs), dioxin, fibrous glass, and crystalline silica.

An accredited laboratory shall perform all sample analyses.

Contract Term

The Work shall be performed 24 hours per day, seven (7) d ays per week. Pre-clean up sampling must begin within 24 hours of receipt of the Commence Work letter. All pre-clean up samples must be completed and submitted to the laboratory for analysis within 48 hours. T 1is contract shall be in force for 90 consecutive calendar days from the DEP commencement date. However, work must be completed within three (3) weeks of the commencement date. Post clean up sampling shall begin within 4 hours of successful visual inspection and shall be completed within 2 days.

I of7 2/7/03

NYC-WTC 000162925