Attachment 2 - Tech Qs - Manchester 618-315 2025-08-22 responses.docx
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- Solicitation number
- 36C77625B0024
About this file
This document is a Technical Questions and Solicitation Responses Tracking Sheet for a VA construction project in Manchester, NH (Solicitation #36C77625B0024). The document contains detailed technical queries and responses related to the construction of a Specialty Care Building, focusing specifically on glass, aluminum, and framing systems for the project. Key technical discussions include blast requirements, mission critical design specifications (50ft Set-Back with Design Threat W1 and GP-2), curtain wall and storefront system requirements, glazing types, and finish specifications. Responses address concerns about window sizing, structural glazing, frame dimensions, and material finishes, with several references to revised drawings dated 8-21-2025 that provide updated technical details for the contractors.
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TECHNICAL QUESTIONS AND
| SOLICITATION #: |
| 36C77625B0024 |
| RESPONSES TRACKING SHEET |
| PROJECT TITLE: |
| Construct Specialty Care Building, Manchester |
| 1 |
| Please provide the blast requirements for this project to properly quote this project. Could you also please provide the threat magnitude. |
| The Mission Critical Design will be 50ft Set-Back with Design Threat W1 and GP-2. |
| 2 |
| · Description of what “Modified Mission Critical Design per VA” is and if or how it would affect the glass & aluminum package? |
· Standoff distances and weights for our use in determining the correct aluminum and glass systems, reinforcing, attachment and glass make up.
· We believe (expecting these questions back from Kawneer Eng) the W1, W2 and GP1 & GP2 references in the SF spec should be further defined to one of those and not all four?
See below (snapshots) and attached with pertinent items highlighted.
:Structural Page
Storefront Spec:
The Mission Critical Design will be 50ft Set-Back with Design Threat W1 and GP-2.
| 3 |
| Large storefront window marked as # D on page A2-2.3. Comment per manufacturer - window wall is much too large for 2 x 4 ½ storefront metal. Please advise as to what CW system and requirements are. |
| Spray applied fireproofing required. (no intumescent paint required) |
| 4 |
| Please clarify locations of the glazing types on the door and storefront schedule. |
a. The door schedule clearly marks GL-1 filming but also calls out G glass type with no reference.
b. The storefront schedule has ¼” glazing details for the exterior frames Door schedule refers to storefront elevations on sheet A2-2.3. Hardware is listed as set 6
| 5 |
| Frame D is beyond the sizing limit for storefront framing. Is it your intention to use a curtainwall system for this span that will pass the wind speeds provided? |
i. Please provide a detail or part # for the 2-1/2” x 12” extended covers for this frame.
Curtainwall is required for window type “D”. Specifications and revised details to be provided
| 6 |
| Please clarify the description of what “Modified Mission Critical Design per VA” is and if or how it would affect the glass & aluminum package? |
| Glazing type marks refer to descriptions provided in specification section 08 80 00. Revised door schedule and Glazing Elevations have been provided. (Dated 8-21-2025). |
Exterior glazing will be 1” insulated. Frames will need to have 1” glazing pockets. The ¼” glazing details are for interior borrowed lights only.
| 7 |
| Please clarify the standoff distances and weights for our use in determining the correct aluminum and glass systems, reinforcing, attachment and glass make up. |
| (see reply above) |
| 8 |
| In section 08 41 13 Aluminum Framed Entrances and Storefronts 2.2 materials 4-a is calling for anodized finish but 2.7-A is calling for a 3 coat metallic system. Please confirm which one is correct. |
| Use 3-coat Metallic System |
| 9 |
| Drawing page A2-2.3 frame D is calling out for Vertical Mullion Cover Fins can further detail be provided. Manufacturers do not recommend additional fins on a impact application. |
| See Revised A2-2.3 Dated 8-21-2025. |
| 10 |
| Drawing page A2-2.3 frame type D is calling for Structurally glazed horizontals. Storefront systems don’t have a structurally glazed horizontal. Plus I’m unable to get the storefront to pass structural analysis. Would a 2 1/2" x 6” curtain wall system be acceptable. |
| See Revised A2-2.3 Dated 8-21-2025. |
| 11 |
| Please provide the blast requirements for this project to properly quote this project. Could you also please provide the threat magnitude. |
| The Mission Critical Design will be 50ft Set-Back with Design Threat W1 and GP-2. |
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