Sources Sought for BLDG 340 Scrubber Duct

In order to be considered for award, timely submission of the attached solicitation document is required. Should any amendments be issued between now and the quote submission due date, please sign and return a signed copy of the SF30 accompanying the amendment.

SCOPE OF WORK Background: Bldg 340 scrubber duct (vertical run from scrubber to exhaust fan) collapsed (sucked in) and is in need of replacement. This is adversely impacting Bldg 340 (Plating Shop) production operations and requires expedient attention and repair. It is felt that the duct section was not adequately designed for the application. It is believed that summer heat and exhaust fan suction led to its collapse. Duct is of UV protected polypropylene construction.

Specification for Replacement Duct Section:

1) Polypropylene or other vendor recommended and CCAD approved material which would be compatible with acidic or basic scrubber solutions.

2) Scrubber section material shall be UV protected.

3) Scrubber duct section shall be designed to withstand or exceed twelve (12) inches wg of vacuum or otherwise reinforced to prevent a collapse from reoccurring. Duct reinforcement bands or other strengthening means may be employed as deemed prudent in the design.

Mechanical Specifications: Replacement Duct 44 1/4" Outside Diameter UVWPP x 0.25” minimum wall thickness; slip ring 44" Inside Diameter Scope of Work:

1) Provide all ducting required to replace the damaged duct sections.

2) CCAD shall provide replacement duct section print for reference.

3) Bolt holes in flanges of new duct section would be drilled in the field to match existing mating flange by CCAD.