Attachment_1_-_PWS.pdf

Performance Work Statement

The USGS St Petersburg Science Center requires the installation of a blower motor and duct work to evacuate fumes from a newly installed Mott Manufacturing Pro Bench fume hood with a vertical sash in a laboratory located in the Getting Building, 600 4th Street South, St Petersburg, Florida. This purchase request is for acquisition and installation of the blower motor, housing, and duct work including all necessary electrical work.

Blower and Duct Work Requirements:

The newly installed fume hood is a Mott Manufacturing Pro Bench Series model 7421040 with a vertical sash. An exhaust system is required for the fume hood consisting of a roof-mounted blower, weather-proof housing, and all necessary ductwork. Attached to this Performance Work Statement is detailed information and CFM requirements of the hood. The fume hood is 72 inches wide and 30 inches deep with a duct diameter of 10 inches. Face velocity of 100 CFM is required with the sash opening at 18 inches. A remote blower is required to be installed on the building roof directly above the fume hood. A belt-driven (single speed) blower may be used. The blower must be constructed of epoxy-coated steel or have equivalent corrosion resistance to acids and solvents. The blower must have weather-proof protective housing. A 240V electrical connection is available at the blower installation site. Duct work must be Type 1 PVC. Minimum 18-gauge, Type 316 stainless steel duct work may be substituted for Type

1 PVC with customer approval. The duct work will feed through an existing 10-inch opening in the building roof. The hood manufacturer has confirmed that 10-inch exhaust duct work meets the specifications for proper operation at the required flow rate. All work shall be completed within 30 days from the date the Contractor receives the notice to proceed (NTP).

Shipping and delivery:

Products shall be packaged adequately to prevent damage to the equipment during shipping, delivery, and installation. Any component with visible damage will be rejected at delivery. Replacement of any components damaged during shipment or installation are the responsibility of the vendor. Installer shall unpack components and be responsible for removing any packaging waste or refuse from the work site, leaving the area clean of debris. Trash containers shall be provided by the customer as requested by the installers. It is the responsibility of the installer to transfer the motor, duct work, and any installation components from the on-site receiving location to the workspace which is on the second floor and roof of a two-story building. Access to the roof is from the second-floor interior of the building.

Vendor is to provide date of motor and ductwork arrival to customer for adequate scheduling of lab down time after receiving the notice to proceed. Vendor will coordinate with on-site building manager and appropriate USGS staff on all facets of the installation.

Installation:

Requirements for room preparations must be stated clearly in writing and delivered to the Government by the pre-construction kick-off meeting.

Assembly and installation of all components shall be done by the vendor. Indicate in writing if installation is to be performed (or potentially be performed) by a third-party installer. If a third-party installer is used, please provide the name, address, and outline of qualifications of the installer.

Installation shall include the following:

Motor installation, duct work installation, electrical hook-up, determination of assurance of proper air flow. The blower and housing must be securely mounted to the roof. All required electrical connections must be completed at the time of installation. Electrical housing must be weather-proof. Electrical connections must meet all applicable electrical codes. Duct work must be installed to minimize elbows and angles, providing the most direct route for fume exhaust. Duct work must be angled to prevent pooling of condensation within the duct work. Duct work must be tested after installation to show zero leakage. Leakage testing results will be provided in writing.

A written warranty shall be provided for work and materials that provides for replacement for manufacturing defects, discoloration, cracking, leaking, warping, welding or structural failures, peeling of finishes.