Attachment 4.pdf

Temporary Ventilation Support Equipment- Insulated Flex Duct

Spec #: 460INSDUCT

Rev: Orig. Page 1 of 3

STATEMENT OF WORK

1. SCOPE

1.1. Portsmouth Naval Shipyard (PNSY) is seeking to purchase insulated ductwork to support temporary HVAC systems. The Insulated ductwork will be installed in an industrial outdoor environment and must be able to withstand the harsh weather elements. The duct size must be 20 IN nominal inside diameter and in standard lengths of 25 FT long sections.

2. REFERENCES

2.1. Issues of Publications - The following documents in effect on the date of this requested proposal is a part of this specification to the extent applicable, or as specified herein. Within the specification, they shall be referred to by their basic designation only.

2.1.1. Government

2.1.1.1. N/A

2.1.2. Nongovernment

2.1.2.1. Fire Standard: UL94

3. REQUIREMENTS

3.1. Component List

3.1.1. Required component Qtys provided on a separate spread sheet.

3.2. Insulated Flexible Ventilation Duct

3.2.1. Flexible insulated ducting, 20 IN diameter @ 25 FT long per section.

3.2.2. Total length required: Qty specified On a separate spread sheet.

3.2.3. Insulating R-Value: Minimum of R-4

3.2.4. Construction: Two single-ply PVC vinyl coated polyester fabric plies protecting an insulation barrier reinforced with a spring steel wire helix & external PVC wearstrip. Insulation composed of 1” Fiberglass in the core layer.

3.2.4.1. Individual single-ply PVC coated polyester fabric must be constructed with a minimum fabric weight of 8.5 oz.

3.2.4.2. Interior and exterior layers must meet fire resistance performance rating as defined by the reference in 2.1.2.1

3.2.4.3. Constructed with sewn cuff containing integral wire rope locking rings to enable multiple duct sections to be connected in series without requiring additional couplers or fittings

3.2.5. Exterior and interior fabric color must be white.

3.2.6. Both inner and outer duct layers must be tested per reference in section 2.1.2.1 and must be classified to have a flame retardant rating of V-0.

3.2.7. Flex duct rated for positive pressure supply air applications with standard hard drawn wire helix reinforcement with an expanded pitch no greater than 6 inches

3.2.8. Duct working pressure (Positive): 24.9 IN/W.G.

3.2.9. Duct working pressure (Negative): -5.4 IN/W.G

Rev: Orig. Page 2 of 3

3.2.10. The ducting must feature excellent UV stabilization; mold and mildew inhibitors; and be constructed for rigorous and continuous outdoor exposure in such a harsh environment.

3.2.11. Application temperature range: -20°F / +180°F

3.2.12. The fully-flexible (1-foot bend radius or less) and fully-compressible (5:1 ratio or better) ducting shall be transported to the site and staged/stored at the site in pallet-sized wire baskets.

3.2.13. The purchased duct must be new and not used or returned from a previous lease.

4. NOTES

4.1. Ducting constructed with material colors of yellow or magenta is strictly prohibited.

4.2. The Vendor must perform a careful physical examination of the ducting just prior to shipment. A physical examination requires that each individual piece of ducting is fully-extended in order to perform an adequate visual check of the product. The ducting material shall: (i) not be torn, accept for the minor pin hole type penetrations near the end finish wire ring ducting ends for the insertion of security tie-wraps to be installed after ducting interlocking; (ii) not be damaged nor vandalized; (iii) be clean and free of debris; (iv) lack indication of chemicals, burns, cuts, or abrasion; (v) not exhibit signs of mildew, rot, nor vermin; (vi) not have permanent kinks in the wire-reinforcement helix; and especially (vii) not have damaged nor bent wire end rings for the ducting with the end finish for the ducting ends.

5. GOVERNMENT FURNISHED MATERIAL (GFM)

5.1. N/A

6. RESPONSIBILITITES

6.1. Government

6.1.1. N/A

6.2. Contractor

6.2.1. Material supplied must meet all requirements specified within this SOW.

7. DELIVERY

7.1. Delivery - The machinery shall be in a fully-charged, fully-assembled, ready-to-use, and in a first-class-operating condition. Machines shall be functionally tested. The machinery with its support equipment shall be delivered to the site on or prior to the request date. It is incumbent and the responsibility of the Contractor to either confirm or coordinate the date and time of delivery prior to each shipment via the Point-of-Contact (POC) as designated on the Contract and/or the Contracting Officer's Representative (COR). The Government can provide forklift services for removing machinery from Vendor’s transport during work hours. Documentation with Shipyard copies shall accompany each delivery.

7.2. Security - To be allowed onto a government Shipyard, personnel must be US citizens and in possession of appropriate personal identification. Proof of US citizenship may be necessary and can be required for access to the drydock. Allowable documentation of US citizenship is an official government issued Certificate of Birth or Naturalization (w/ raised seal & not a photocopy) or a US passport (can be expired).

Vehicular access requires a non-expired personal Driver’s License and appropriate vehicle identification or registration. The transport vehicle must have the company’s name / logo prominently displayed. To gain access to the drydock environs, personnel must be escorted and possess / wear their own personal safety gear.

Rev: Orig. Page 3 of 3

7.3. Inspection Criteria

7.3.1. Receipt Inspection must perform a careful physical examination of the ducting just upon delivery. A physical examination requires that each individual piece of ducting is fully-extended in order to perform an adequate visual check of the product. The ducting material shall: (i) not be torn, accept for the minor pin hole type penetrations near the end finish wire ring ducting ends for the insertion of security tie-wraps to be installed after ducting interlocking; (ii) not be damaged nor vandalized;

(iii) be clean and free of debris; (iv) lack indication of chemicals, burns, cuts, or abrasion; (v) not exhibit signs of mildew, rot, nor vermin; (vi) not have permanent kinks in the wire-reinforcement helix; and especially (vii) not have damaged nor bent wire end rings for the ducting with the end finish for the ducting ends. Final Acceptance - Upon satisfactory completion of inspection and test of the equipment, the authorized Government Representative (Portsmouth Naval Shipyard, Code 420 Project COR) will sign and forward the acceptance document(s) to Code 220 Production Control for completion. Unloading of equipment from Vendor’s transport does not signify acceptance.

7.4. Acceptance - Upon satisfactory completion of inspection and test of the equipment, the authorized Government Representative (Portsmouth Naval Shipyard, Code 420 COR) will sign and forward the acceptance document(s) to Code 220 Production Support Equipment for completion. Unloading of equipment from Vendor’s transport does not signify acceptance.

8. GENERAL

8.1. Response to Request - As part of the response to this request, descriptive literature shall be furnished in sufficient detail to show that the proposed design will meet these specifications. Vendor submittals shall include brochures of the model being submitted, assembly sketches with critical dimensions, sketches (with dimensions) of all tooling being provided, statements of compliance with specification, and performance statements with special instructions. Supporting information shall be organized and packaged by unit. If supporting information includes multiple models the vendor shall clearly state model number of proposed unit and redact all information not applicable to proposed unit.

8.2. Approved Models- Flexaust Arctic-3 Duct

8.2.1. https://www.flexaust.com/wp-content/uploads/2012/01/Arctic-Duct-3.pdf

9. Attachments

N/A https://www.flexaust.noclick_com/wp-content/uploads/2012/01/Arctic-Duct-3.pdf