T-2120-0150_Addendum1.pdf
PDF 279 KB Posted
- Attached to
- METRO WABASH MAIN ROOF REPLACEMENT (RESOLICIT)
- Solicitation number
- BPM037675
- Issued by
- Maryland
About this file
This document is Addendum No. 1 to the Contract No. T-2120-0150 for the METRO WABASH MAIN ROOF REPLACEMENT project issued by the Maryland Transit Administration (MTA). The addendum provides clarification on a Q&A document, a new bid due date of 2 P.M. local time on Friday, July 6, 2023, and instructions for submitting bids through the eMMA portal. The project involves the construction of a roof replacement at the Wabash Maintenance Facility. Bidders are informed that product data will not be reviewed during the bidding phase, and it is the bidder's responsibility to ensure the proposed product meets the specifications. The addendum also addresses contractor responsibilities regarding CCTV/security equipment and rooftop conduits, as well as provides access to the existing roof core information and clarifies the insulation requirements for the project.
The contract is a state and local government opportunity, and the addendum does not provide details on pricing terms, set-asides, incumbents, funding requirements, or other salient financial information. Interested vendors are required to submit their bids through the eMMA portal by the specified due date.
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Other files
| File | Type | Posted |
|---|---|---|
| Notice of Award - T-2120-final.pdf | ||
| T-2120-0150_Addendum_No2_package.pdf | ||
| IFB_T-212-0150_IFB_DOC_FINAL.pdf |
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Text version
6 Saint Paul Street, Baltimore, MD 21202-1614 | 410.539.5000 | 1.866.RIDE.MTA | TTY 410.539.3497 | mta.maryland.gov
TO: All Prospective Proposers
FROM: Maryland Transit Administration
SUBJECT: Addendum No. 1
T-2120-0150 METRO WABASH MAIN ROOF REPLACEMENT
DATE: June 28, 2023
Addendum No. 1 is two (2) page and includes the following:
ITEM No. 1 --- Provides official Q&A document.
ITEM No. 2 --- Provides new DUE DATE: Bids must be submitted through the eMMA portal and marked "Bid for Contract No. T-2120-0150 METRO WABASH MAIN ROOF REPLACEMNT", no later 2 P.M. local time, Friday, July 6, 2023.
All other terms and conditions remain unchanged.
Sincerely, Christie E. Williams, CPPB Chief of Construction, Procurement
Acknowledgement of receipt of Addendum No. 1 to T-2120-0150.
Vendor Name: ___________________________________________________________
Authorized Representative’s Signature Date
This is the end of Addendum No. 1
T-2120-0150 - METRO WABASH MAIN ROOF REPLACEMENT
Questions and Answers Document
1. We would like to Substitute the Specified material for Firestone Material. Attached is all the information regarding the change. Elevate (formerly Firestone) PVC KEE XR carries a type-III reinforcing scrim and does not have a peel release liner on top of the roll. The membrane is eligible for specified warranty. Please confirm if the substitution is acceptable?
Product data will not be reviewed during the bidding phase; Product data is reviewed during the submittal review process upon award of the Contract. If the proposed product is different from the specified basis of design product, it is bidder’s responsibility to ensure the product meets the specification per section 07 54 19 and is equal to the specified Basis of Design product per Specification 07 54 19 Paragraph 2.2.B.6.a.
Regarding the specification’s requirement of manufacturer standard protective film on top of the membrane, the design intent of this film is to protect the roof from scuffs and dirt due to foot traffic and construction activities during the construction. Alternate means of protecting top of the roof membrane during the construction will be considered if it meets the design intent.
2. I would like to respectfully request your consideration of G410 80mil adhered, as a Substitution on the Metro Wabash Main Roof Replacement Sika Sarnafil manufactures thermoplastic PVC membranes that are energy-efficient and meet Energy Star and LEED criteria for low slope and steep slope applications. Below is the G410 Guide Spec, a G410 Product Data Sheet and other pertinent data, as it pertains to the project specifications. Our G410 80mil adhered membrane is Energy Star Rated and meets ASTM requirements.
Product data will not be reviewed during the bidding phase; Product data is reviewed during the submittal review process upon award of the Contract. If the proposed product is different from the specified basis of design product, it is bidder’s responsibility to ensure the product meets the specification per section 07 54 19 and is equal to the specified Basis of Design product per Specification 07 54 19 Paragraph 2.2.B.6.a.
3. What is contractor’s responsibility in handling CCTV/security equipment and rooftop conduits?
See general demolition Note #10 and General Note #14 for contractor’s scope in handling security equipment and conduits on the roof. Contractor shall coordinate removal and reinstallation of security equipment with MDOT MTA PMF (Police Monitoring Facility) security vendor; MDOT MTA PMF security vendor shall work as a sub-contractor to the Awarded Roof Contractor and this work shall be performed under the “Item #2 Miscellaneous Work Allowance” of the Bid form.
4. Can the roof core information be provided to understand existing roof composition?
See “Appendix-H” of the Contract Specifications Book for INFRARED & CORE SAMPLE REPORT.
5. What is the insulation requirement for this project?
See Contract Specification Section 072200 paragraph 2.1.A, roof plan and contract details for Insulation requirement. Accordingly, Continuous insulation with a minimum R-value “R-30” is required.
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