ESBD_361758_1722600981618_-Addendum 3 - Hondo RC Roof Replacement.pdf

Texas Military Department 2200 W. 35th St. Bldg. 37

Austin, Texas 78703

ADDENDUM TO SOLICITATION

1. SOLICITATION NO.

TMD24-CFMO-0035539

Hondo RC Roof Replacement

2. ADDENDUM NO.

3. EFFECTIVE DATE

8/2/2024

4. ISSUED BY

Texas Military Department (TMD) 2200 W. 35th Street Bldg. 37 Austin, Texas 78703

5. ACKNOWLEDGEMENT OF ADDENDUM

Per RFP Section III, 4) Addendum, b. Receipt of all addenda to this RFP shall be acknowledged by returning a signed copy of the signature page of each addendum with the proposal. In addition, the Respondent must acknowledge receipt of all addenda by writing the numerical figure of each Addendum issued by the TMD on the blank space provided in Attachment A – Contractor's Proposal Form, 3.

Addenda.

6. DESCRIPTION OF ADDENDUM

The purpose of this Addendum is to issue the following Attachments with additions, deletions, modifications, or clarifications that shall be made to the appropriate sections of the Solicitation Documents:

1. Addendum 3 Attachment A - Question & Answer Document, 3 Pages

2. Addendum 3 Attachment B - (Enlarged) RFP Attachment B - Work Breakdown Schedule, 2 Pages

3. Addendum 3 Attachment C - Site Visit Sign-In Sheets, 7 Pages

4. Addendum 3 Attachment D - Revised Specification, SECTION 07 52 16, 17 Pages

5. Addendum 3 Attachment E - Wage Rates, 13 Pages

7. NAME AND ADDRESS OF RESPONDENT

8. NAME AND TITLE OF SIGNER

9. SIGNATURE

(Signature of Person Authorized to Sign) Date Signed

TMD24-CFMO-0035539

Hondo RC Roof Replacement

Addendum 3 Attachment A

Question & Answer Document

TMD24-CFMO-0035539 Hondo RC Roof Replacement Question & Answer Document

# Question Answer 1 Substitution Request Form: Sub. with Self

Adhered base and Cap Sheet Substitution request to use self adhered base and cap is not approved. Substitution does not meet design intent.

2 Is there an asbestos survey related to the existing building? a. Will TMD share an asbestos survey with all the bidders? b. If there are hazardous materials identified, should the General Contractor include abatement in the proposal?

Yes, an asbestos survey was performed on the existing building.

a. No, asbestos survey will not be shared as no asbestos was found.

b. No hazardous materials are included in this scope of work.

3 Does the General Contractor need to include temporary fencing around the building?

Yes, it is confirmed that the contractor will be required to install sufficient temporary fencing on the east side of the building at a minimum. This fencing is necessary to create a secure work area between the parking lot and the facility.

The contractor must ensure that the temporary fencing is appropriately placed, allows access to the facility throughout construction, and maintained to facilitate safe and efficient work operations in this area.

4 Yes, it is confirmed that the contractor will be required to install sufficient temporary fencing on the east side of the building at a minimum. This fencing is necessary to create a secure work area between the parking lot and the facility. The contractor must ensure that the temporary fencing is appropriately placed, allows access to the facility throughout construction, and maintained to facilitate safe and efficient work operations in this area.

In response to the inquiry regarding the storage of contractors' materials and supplies inside the Armory, it is confirmed that such storage will not be permitted.

Contractors are required to arrange alternative storage solutions for their materials and supplies outside the Armory premises. TMD will provide designated staging and parking areas as needed for the duration of the project to facilitate this requirement. This measure ensures the security and integrity of the Armory while maintaining an organized and efficient work environment.

5 Please clarify if there is a current warranty on the existing roof system to be removed? a. If yes, who is the warranty holder and manufacturer? i. Does TMD want to maintain this warranty? b. If not, what warranties and/or system manufacturers are expected for the roof replacement?

There is currently no warranty on the existing roof system.

a.!No existing warranty !!!!i.!No existing warranty.

b.!For details on the required warranties and/or system!

manufacturers refer to project specifications.

6 Please clarify the MEP scope of work to be performed on the roof.

There is no MEP scope of work on this project. If equipment is removed, contractor is responsible to reinstall the same equipment.

Addendum 3 Attachment A Page 1 of 3

7 Are there existing HVAC units on the roof?

a. If yes, will these be removed and reinstalled? b. Are these to be replaced? c.

Should the General Contractor reuse any equipment and/or roof curbs?

No, there are existing HVAC units on the roof.

a. No existing HVAC units on the roof.

b. No HVAC units will be replaced. Intent is to preserve all existing equipment during re-roofing. HVAC units are located adjacent to building, Contractor is responsible for any equipment damaged.

c. No existing HVAC units on the roof.

8 Are there existing plumbing lines/vents on the roof? a. If yes, are these to be temporarily protected? b. Are any vents or plumbing lines being replaced? c. Are any vents or plumbing lines being relocated?

Yes, existing plumbing lines/vents are on the roof.

a. Intent is to preserve all existing equipment during re-roofing. If equipment is removed, contractor to reinstall the same equipment. Contractor is responsible for any equipment damaged.

b. No vents or plumbing lines are being replaced. Intent is to preserve all existing equipment during re-roofing. If equipment is removed, contractor to reinstall the same equipment. Contractor is responsible for any equipment damaged.

c. No vents or plumbing lines are being relocated.

9 Is there any electrical equipment on the roof? a. If yes, are these being removed and reinstalled? b. Are these to be replaced? c. Is any of this equipment to be relocated?

There is powered equipment on the roof.

a. Intent is to preserve all existing equipment during re-roofing. If equipment is removed, contractor to reinstall the same equipment. Contractor is responsible for any equipment damaged.

b. No powered equipment to be replaced. Intent is to preserve all existing equipment during re-roofing. If equipment is removed, contractor to reinstall the same equipment. Contractor is responsible for any equipment damaged.

c. No powered equipment is being relocated.

10 Will TMD reuse the existing satellite dish?

a. If yes, please confirm that TMD will be responsible to reinstall and reactive existing dish and General Contractor is only responsible for providing and installing a new support skid as per plans.

Yes, TMD will reuse the existing satellite dish. a. Contractor is responsible for removal and re-installation of the existing satellite dish. Contractor is responsible for any equipment damaged.

11 Please confirm that new splash blocks will only be required on the roof and that splash blocks on the ground will not be modified or replaced.

New splash blocks are required on the roof. Splash blocks on the ground are assumed to be in good condition.

Contractor may assume 5% of splash blocks on the ground have previous damage and will have to be replaced during construction. Contractor is responsible for any damaged splash blocks. Refer to the project plans for details regarding the placement and specifications of all splash blocks.

12 The rfp states a 5 yr workmanship warranty but the SBA will only allow 2 yr workmanship warranty for bonding. Is this an error ? If it is correct then it would eliminate 8a companies from bidding.

Refer to Addendum 4 Attachment D, revised Spec 07 52 16.

Addendum 3 Attachment A Page 2 of 3

13 Per the docs, it is requiring a 5-year warranty on workmanship. He mentioned he was at a meeting and it’s possible for him to have a 2-year Maintenance bond and then a warranty is supplied by his company?

Refer to Addendum 4 Attachment D, revised Spec 07 52 16.

14 Will a General Contractor be required for the paperwork, management, and coordination of this work, or will a subcontractor be able to submit a quote directly to TMD for this work?

In response to inquiries concerning project administration, it is confirmed that the General Contractor will be responsible for all required project administration. This includes, but is not limited to, managing project schedules, coordinating with subcontractors, ensuring compliance with project specifications, and handling all necessary documentation and reporting. The General Contractor will oversee the project to ensure it is completed efficiently, on time, and in accordance with all contractual and regulatory requirements.

15 Please confirm if the building will be vacant or occupied during construction.

In response to the inquiry regarding the occupancy of the Armory, it is confirmed that the facility will remain occupied during construction. The National Guard will be occupying the Armory during the project. Therefore, it is imperative that all entrances remain clear of any obstructions at all times. Additionally, any garage door areas must have an open path to ensure unobstructed access. These measures are essential to maintain operational readiness and ensure the safety and efficiency of both the National Guard personnel and the contractors working on-site.

16 Where can we submit HUB Subcontracting Plan (HSP) Questions, including questions on how to fill out the HSP documents?

General Contractors may email Sue D’Angelo at HUB@military.texas.gov throughout the solicitation process for assistance with any HSP-related questions.

17 If new prevailing wage documents are issued during the bidding process, can the original prevailing wage documents be used?

Reference Addendum 3 Attachment E - Wage Rates, for the applicable prevailing wages for this solicitation.

18 Were there any substitutions accepted? No substitutions were accepted.

19 The proposal cost breakdown form included in the RFP appears to be an image. Can TMD provide the excel file or save the excel as PDF instead of an image?

No, an Excel file or saved Excel as a PDF instead of an image cannot be provided. Instead, reference Addendum 2 Attachment B - (Enlarged) RFP Attachment B - Work Breakdown Schedule. Respondent must fill out only one, either the original image in the RFP Attachment B - Work Breakdown Schedule or Addendum 2 Attachment B - (Enlarged) RFP Attachment B - Work Breakdown Schedule.

Note: Attachment B - Work Breakdown Schedule has not been changed; it was simply enlarged to address respondents' concerns with the image and ability to be filled.

Addendum 3 Attachment A Page 3 of 3

Addendum 3 Attachment B

(Enlarged) RFP Attachment B - Work Breakdown Schedule

ATTACHMENT B – WORK BREAKDOWN SCHEDULE

Respondent must submit this Attachment, which will include the Proposal Cost Breakdown (PCB) with itemized Labor, Equipment, and Material for the referenced project supporting the 1.

Compensation and their proposed schedule in MS Project Gantt Chart supporting the 2.

Performance Period within Attachment A – Contractor's Proposal Form.

1. PROPOSAL COST BREAKDOWN

The PCB document must prove and evidence the compensation quoted for the RFP. Fill out every place with a dollar ($) sign with a numerical value.

Hondo Readiness Center Roof Replacement

Texas Military Department

Proposal Cost Breakdown

BASE PROPOSAL

Item Units Unit Cost Total

Base:

1 Selective Demolition $

2 Miscellaneous Rough Carpentry $

3 Roofing $

4 Waterproofing $

5 New Access Ladders $

DIRECT COST OF WORK SUBTOTAL: $

MOBILIZATION: $

GENERAL CONDITIONS: $

COST OF WORK SUBTOTAL: $

OH & P: $

BONDS & INSURANCE: $

Base Proposal Total: $

Unit Prices

Item # Item Units Unit Cost Total

UP-1

Remove and replace poured gypsum decking

SF

Addendum 3 Attachment B Page 1 of 2

2. MS PROJECT GANTT CHART

Respondent must provide evidence of the performance period using MS Project Gantt Chart.

Provide one (1) hard copy of the MS Project Gantt Chart and one (1) electronic copy on a USB Flash Drive secured inside an envelope and stapled to the hard copy.

REMAINDER OF THIS PAGE IS INTENTIONALLY BLANK

Addendum 3 Attachment B Page 2 of 2

Addendum 3 Attachment C

Site Visit Sign-In Sheets

Addendum 3 Attachment C Page 1 of 7

Addendum 3 Attachment C Page 2 of 7

Addendum 3 Attachment C Page 3 of 7

Addendum 3 Attachment C Page 4 of 7

Typed Sign In - Site Visit

July 16, 2024 at 10:00AM

Tim Brooks TMD Project Manager

Timothy.S.Brooks18.nrg@cfmo.mil.texas.gov

Adrianna Vandercook Jacobs Engineering Group Engineering

Adrianna.Vandercook@jacobs.com

Cody Fraysur L Wallance Construction Project Manager 27 E Ayers

Jriggs@lwcgc.com Edmond, OK 73034

Richard Rodriguez Richard Rodriguez Owner 1532 Dove Suite I

Construction@STXBuildCon.Com McAllen, Texas 78501

Manuel Herrera MH Contracting LCC Owner 15649 Vista Grande

Manuel@MhcontractingLLC.Net Helotes, Texas 78023

Chad Christessan Cram Roofing Estimater 5171 Casa Bella

Chad@CramRoofing.com San Antonio, Texas 70249

Osca Galvan CS Advantage USAA President 1424 Andover Court

CS Advantage College Station, Texas 77842

Robert Garcia Allegiance Exterior and Roofing President rpgarcia@allegianceexteriorandroofingofsanantonio.com

Allegiance_Robert@Yahoo.com

Please Print (or initial next to name to indicate attendance)

Name & E-mail Address Firm Name Role Address

TMD24-CFMO-0035539 Hondo RC Roof Replacement

Phone

Number

956-533-3607

210-577-5743

210-771-0720

210-694-7815

512-782-3024

214-583-8223

210-373-1639

(405) 824-7972

Addendum 3 Attachment C Page 5 of 7 mailto:Timothy.S.Brooks18.nrg@cfmo.mil.texas.gov mailto:Adrianna.Vandercook@jacobs.com mailto:Jriggs@lwcgc.com mailto:Construction@STXBuildCon.Com mailto:Manuel@MhcontractingLLC.Net mailto:Chad@CramRoofing.com mailto:Mpraytor@imperial-construction.com mailto:rpgarcia@allegianceexteriorandroofingofsanantonio.com mailto:Allegiance_Robert@Yahoo.com

July 16, 2024 at 10:00AM

John Blackwell American Roofing PM 2435 109th St

John@AmerRoofing.Com Grand Praire, Texas

Hector Gonzalez AA National Roofing PM 287 Shilling Dr

AANationalRoofing61@gmail.com Elm Mott, Texas 76640

Salomon Maron Alto Vista Roofing President smaron@altovistaroofing.com

Cale Ridling Trumble Construction Inc. Estimator 1944 Clear Springs Rd

Cale@rbtroofing.com Texarkana, TX 75501

Elissa Wilson Corey Construction Sales/Estimator 4601 Westway Park Blvd

Elissa.Wilson@coreycs.com Houston, TX 77041

Alan Bravo Corey Constuction Inspector 4601 Westway Park

Alan.Bravo@coreycs.com Houston, TX 77041

Dustin Daniel Texas Roof Management C.E. 728 Lingco Dr

Dustind@TexasRoof.com Richardson, TX 75081

832-744-7200

281-330-5789

214-536-0808

Please Print (or initial next to name to indicate attendance)

Name & E-mail Address Firm Name Role Address

TMD24-CFMO-0035539 Hondo RC Roof Replacement

Phone

Number

870-648-5503

(210) 837-5501

254-829-6033

214-324-4779

Addendum 3 Attachment C Page 6 of 7 mailto:John@AmerRoofing.Com mailto:AANationalRoofing61@gmail.com mailto:smaron@altovistaroofing.com mailto:Cale@rbtroofing.com mailto:Elissa.Wilson@coreycs.com mailto:Alan.Bravo@coreycs.com mailto:Dustind@TexasRoof.com

July 16, 2024 at 1:00 P.M.

Tim Brooks TMD Project Manager

Timothy.S.Brooks18.nrg@cfmo.mil.texas.gov

Adrianna Vandercook Jacobs Engineering Group Engineering

Adrianna.Vandercook@jacobs.com

Victor Escobedo Advantage USAA Estimate 13350 Rebecca Creek vue0219@advantageusaa.com Spring Branch, Texas 78277

J. Ramon Lozano Jr. Rain Seal Master Inc. Estimate 2306 Port Lavaca Dr

Ramon@rsminc1.com Victoria, TX 77901

Denny Satterfield Gull Contracting Roofer

Nic.Gullcontracting@gmail.com

Patrick Buckley Techline Roofing Estimator 1535 FM 2673

Patrick@techlinersr.com Canyon Lake, Texas 78153

Jeff Ward Wortham Brothers Roofing Estimator 325 North St. Paul Street Suite 3100 office@wbroofing.com Dallas, Texas

Phillips Albright Buck Up Services Manager Austin, Texas 78734

Please Print (or initial next to name to indicate attendance)

Name & E-mail Address Firm Name Role Address

TMD24-CFMO-0035539 Hondo RC Roof Replacement

Phone

Number

361-576-0926

512-497-6600

737-825-1111

830-330-1800

512-782-3024

214-583-8223

512-557-7538

830-885-2950

Addendum 3 Attachment C Page 7 of 7 mailto:Timothy.S.Brooks18.nrg@cfmo.mil.texas.gov mailto:Adrianna.Vandercook@jacobs.com mailto:Adrianna.Vandercook@jacobs.com mailto:vue0219@advantageusaa.com mailto:Ramon@rsminc1.com mailto:Nic.Gullcontracting@gmail.com https://wbroofing.com/

Addendum 3 Attachment D

Revised Specification, SECTION 07 52 16

Hondo Readiness Center Roof Replacement Hondo, Texas

ISSUE FOR REQUEST FOR PROPOSAL

APRIL 2024

MODIFIED BITUMINOUS MEMBRANE ROOFING SECTION 07 52 16 - 1

SECTION 07 52 16

MODIFIED BITUMINOUS MEMBRANE ROOFING

ADDENDUM 0003

PART 1 - GENERAL

1.1 SUMMARY

A. Section Includes:

1. Styrene-butadiene-styrene (SBS)-modified bituminous membrane roofing with highly reflective granules.

2. Base and cover roof insulation.

3. Tapered roof insulation.

4. Cover board.

5. Walkways.

1.2 PREINSTALLATION MEETINGS

A. Preinstallation Conference: Conduct conference at Project site.

1.3 ACTION SUBMITTALS

A. Product Data: For each type of product.

1. For insulation and roof system component fasteners, include copy of FM Approvals'

RoofNav listing.

B. Shop Drawings: Include plans, sections, details, and attachments to other work, including the following:

1. Layout and thickness of insulation.

2. Base flashings and membrane terminations.

3. Flashing details at penetrations.

4. Roof plan showing orientation of steel roof deck and orientation of roof membrane, fastening spacings, and patterns for mechanically fastened roofing system.

5. Crickets, saddles, and tapered edge strips, including slopes.

6. Insulation fastening patterns for corner, perimeter, and field-of-roof locations.

C. Wind Uplift Resistance Submittal: For roofing system indicating compliance with wind uplift performance requirements.

1.4 INFORMATIONAL SUBMITTALS

Addendum 3 Attachment D Page 1 of 17

ISSUE FOR REQUEST FOR PROPOSAL

APRIL 2024

MODIFIED BITUMINOUS MEMBRANE ROOFING SECTION 07 52 16 - 2

A. Manufacturer Certificates:

1. Performance Requirement Certificate: Signed by roof membrane manufacturer certifying that roofing system complies with requirements specified in "Performance Requirements"

Article.

a. Submit evidence of complying with performance requirements.

2. Special Warranty Certificate: Signed by roof membrane manufacturer, certifying that all materials supplied under this Section are acceptable for special warranty.

3. Contractor’s certification letter from the manufacturer stating that they are approved to install the roof and achieve the required warranty.

B. Product Test Reports: For roof membrane and insulation, tests performed by a qualified testing agency, indicating compliance with specified requirements.

C. Research reports.

D. Field Test Reports:

1. Fastener-pullout test results and manufacturer's revised requirements for fastener patterns.

E. Field quality-control reports.

F. Sample warranties.

1.5 CLOSEOUT SUBMITTALS

A. Maintenance Data

B. Warranties

C. As-built drawings/specifications

1.6 QUALITY ASSURANCE

A. Installer Qualifications: A qualified firm that is approved, authorized, or licensed by roofing system manufacturer to install manufacturer's product and that is eligible to receive manufacturer's special warranty.

B. Acceptable Products: Provide primary roofing products, including each type of sheet, all manufactured in the United States, supplied by a single manufacturer. Provide secondary or accessory products which are acceptable to the manufacturer of the primary roofing products.

C. Project Acceptance: Submit a completed manufacturer's application for roof guarantee form along with shop drawings of the roofs showing all dimensions, penetrations, and details.

Addendum 3 Attachment D Page 2 of 17

ISSUE FOR REQUEST FOR PROPOSAL

MODIFIED BITUMINOUS MEMBRANE ROOFING SECTION 07 52 16 - 3

D. Scope of Work: The work to be performed under this specification shall include but is not limited to the following: Attend necessary job meetings and furnish competent and full time supervision, experienced roof mechanics, all materials, tools, and equipment necessary to complete, in an acceptable manner, the roof installation in accordance with this specification. Comply with the latest written application instructions of the manufacturer of the primary roofing products. In addition, application practice shall comply with requirements and recommendations contained in the latest edition of the Handbook of Accepted Roofing Knowledge (HARK) as published by the

National Roofing Contractor's Association, amended to include the acceptance of a phased roof system installation.

E. Local Regulations: Conform to regulations of public agencies, including any specific requirements of the city and/or state of jurisdiction.

F. Manufacturer Requirements: The primary roofing materials manufacturer shall provide direct trained company personnel to attend necessary job meetings, perform periodic inspections as required, and conduct a final inspection upon successful completion of the project.

1.7 PRODUCT DELIVERY STORAGE AND HANDLING

A. Delivery: Deliver materials in the manufacturer's original sealed and labeled containers and in quantities required to allow continuity of application.

B. Storage: Store materials out of direct exposure to the elements. Store roll goods on a clean, flat, and dry surface. All material stored on the roof overnight shall be stored on pallets. Rolls of roofing must be stored on ends. Store materials on the roof in a manner to preclude overloading of deck and building structure. Store materials such as solvents, adhesives, and asphalt cutback products away from open flames, sparks, or excessive heat. Cover all material using a breathable cover such as a canvas. Polyethylene or other non-breathable plastic coverings are not acceptable.

C. Handling: Handle all materials in such a manner as to preclude damage and contamination with moisture or foreign matter. Handle rolled goods to prevent damage to edges or ends.

D. Damaged Material: Any materials that are found to be damaged or stored in any manner other than stated above will be automatically rejected, and will require removal and replacement at the

Contractor's expense.

1.8 PROJECT/SITE CONDITIONS

A. Protection Requirements

1. Membrane Protection: Provide protection against staining and mechanical damage for newly applied roofing and adjacent surfaces throughout this project.

2. Torch Safety: Crew members handling torches shall be trained by an Authorized Certified

Roofing Torch Applicator (CERTA) Trainer, be certified according to CERTA torch safety guidelines as published by the National Roofing Contractor's Association (NRCA) and

Addendum 3 Attachment D Page 3 of 17

ISSUE FOR REQUEST FOR PROPOSAL

MODIFIED BITUMINOUS MEMBRANE ROOFING SECTION 07 52 16 - 4

follow torch safety practices as required by the contractor's insurance carrier. Designate one person on each crew to perform a daily fire watch. The designated crew member shall watch for fires or smoldering materials on all areas during roof construction activity, and for the minimum period required by CERTA guidelines after roofing material application has been suspended for the day.

3. Debris Removal: Remove all debris daily from the project site and take to a legal dumping area authorized to receive such materials.

4. Site Condition: Complete, to the owner's satisfaction, all job site clean-up including building interior, exterior and landscaping where affected by the construction.

1.9 WARRANTY

A. Special Warranty: Manufacturer agrees to repair or replace components of roofing system that fail in materials or workmanship within specified warranty period.

1. Warranty Period: 20 years from date of Substantial Completion.

B. Roof System Guarantee: Upon successful completion of the project, and after all post installation procedures have been completed, furnish the Owner with the roof system manufacturer’s Twenty

(20) year labor and materials roof system guarantee. The roof system guarantee shall include both the roofing and flashing membranes, and the specified new insulation system. All repair or replacement costs covered under the guarantee shall be borne by the roofing membrane manufacturer. The guarantee shall be a term type, without deductibles or limitations on coverage amount, and be issued at no additional cost to the Owner. Specific items covered under the roof system guarantee include:

1. Submit copy submitted Roof Warranty Application that was submitted to manufacturer.

2. Submit sample of acceptable roof system Manufacturer’s Twenty (20) Year No Dollar

Limit Warranty.

3. 80 MPH wind speed coverage.

C. Contractor Warranty: <ADNM0003> Five (5) Two (2) </ADNM0003> year warranty in the format as shown at the end of this section.

PART 2 - PRODUCTS

2.1 PERFORMANCE REQUIREMENTS

A. Accelerated Weathering: Roof membrane shall withstand 2000 hours of exposure when tested according to ASTM G 152, ASTM G 154, or ASTM G 155.

B. Impact Resistance: Roof membrane shall resist impact damage when tested according to ASTM

D 3746/D 3746M, or the "Resistance to Foot Traffic Test" in FM Approvals 4470.

C. Wind Uplift Resistance: Design roofing system to resist the following wind uplift pressures when tested according to FM Approvals 4474 (Minimum requirement is FM 1-90 in any zone):

Addendum 3 Attachment D Page 4 of 17

ISSUE FOR REQUEST FOR PROPOSAL

MODIFIED BITUMINOUS MEMBRANE ROOFING SECTION 07 52 16 - 5

1. Mod Bit Roof:

a. Zone 1 Prime (Roof Area Field): 27 lbf/sq. ft.

1) FM 1-90

b. Zone 1 (Roof Area Field): 41 lbf/sq. ft.

1) Location: From inner edge of Zone 2 to 16 feet toward the roof center.

2) FM 1-90

c. Zone 2 (Roof Area Perimeter): 53 lbf/sq. ft.

1) Location: From roof edge to 12 feet inside roof edge.

2) FM 1-105

d. Zone 3 (Roof Area Corners): 69 lbf/sq. ft.

1) Location: 16 feet in each direction from building corner by 8 feet wide.

2) FM 1-120

D. FM Approvals' RoofNav Listing: Roof membrane, base flashings, and component materials shall comply with requirements in FM Approvals 4450 or FM Approvals 4470 as part of a roofing system and shall be listed in FM Approvals' RoofNav for Class 1 or noncombustible construction, as applicable. Identify materials with FM Approvals Certification markings.

1. Fire/Windstorm Classification: Class 1A-90

2. Hail-Resistance Rating: MH.

E. Exterior Fire-Test Exposure: ASTM E 108 or UL 790, Class A; for application and roof slopes indicated; testing by a qualified testing agency.

1. Identify products with appropriate markings of applicable testing agency.

F. Fire-Resistance Ratings: Comply with fire-resistance-rated assembly designs indicated.

1. Identify products with appropriate markings of applicable testing agency.

2.2 MANUFACTURERS

A. Source Limitations: Obtain components for roofing system from manufacturer approved by roof membrane manufacturer.

2.3 VENTED BASE SHEET MATERIALS FOR CONCRETE DECK AREAS

A. SBS-Modified Bitumen Fiberglass Mat Base Sheet: ASTM D 6163/D 6163M, Type I, Grade S, SBS-modified asphalt sheet, reinforced with fiberglass fabric, smooth surfaced, suitable for torch application method.

1. Colvent FLAM 180 TG by Soprema

2. Paradiene 20 TS by Siplast

3. Or approved equal

2.4 BASE SHEET MATERIALS ALL AREAS

Addendum 3 Attachment D Page 5 of 17

ISSUE FOR REQUEST FOR PROPOSAL

MODIFIED BITUMINOUS MEMBRANE ROOFING SECTION 07 52 16 - 6

A. SBS-Modified Bitumen Fiberglass Mat Base Sheet: ASTM D 6163/D 6163M, Type I, Grade S, application method.

1. Elastophene Flam by Soprema

2. Paratech Glass Base TG by Siplast

2.5 STYRENE-BUTADIENE-STYRENE (SBS) MODIFIED BITUMINOUS CAP SHEET ALL AREAS

A. Granule-Surfaced Roofing Cap Sheet: ASTM D 6163/D 6163M, Type I, Grade G, SBS-modified asphalt sheet, reinforced with fiberglass fabric, suitable for torch application method.

1. Elastophene Flam LS FR GR SG by Soprema

a. SOPREMA SG GRANULE: Highly reflective, bright white mineral granule surfacing, listed by the Cool Roof Rating Council (CRRC).

2. Paratech Glass Cap FR TG BW (Bright White) by Siplast

3. Or approved equal.

2.6 BASE FLASHING SHEET MATERIALS ALL AREAS

A. Backer Sheet: ASTM D 4601/D 4601M, Type I, asphalt-impregnated and -coated, glass-fiber sheet, dusted with fine mineral surfacing on both sides.

B. SBS-Modified Bitumen Fiberglass Mat Base Sheet: ASTM D 6163/D 6163M, Type I, Grade S, application method.

1. Sopralene Flam 180 by Soprema

2. Paratech Glass Base TG by Siplast

C. Granule-Surfaced Flashing Sheet: ASTM D 6163/D 6163M, Type I, Grade G, SBS-modified asphalt sheet, reinforced with fiberglass fabric, suitable for torch application method.

1. Sopralene Flam 180 LS FR GR SG by Soprema

a. SOPREMA SG GRANULE: Highly reflective, bright white mineral granule surfacing, listed by the Cool Roof Rating Council (CRRC).

2. Paratech 180 Cap FR TG BW by Siplast

3. Or approved equal.

D. Liquid Flashing System: Roof membrane manufacturer's standard one- or two-part moisture curing resin with low solvent content, consisting of a primer, flashing cement, and scrim.

2.7 AUXILIARY ROOFING MATERIALS

Addendum 3 Attachment D Page 6 of 17

ISSUE FOR REQUEST FOR PROPOSAL

MODIFIED BITUMINOUS MEMBRANE ROOFING SECTION 07 52 16 - 7

A. General: Auxiliary materials recommended by roofing system manufacturer for intended use and compatible with other roofing components.

1. Adhesives and Sealants: Comply with VOC limits of authorities having jurisdiction.

B. Metal Termination Bars: Manufacturer's standard, predrilled stainless-steel or aluminum bars, approximately 1 by 1/8-inch-thick; with anchors.

C. Asphalt Roofing Cement: ASTM D 4586/D 4586M, asbestos free, of consistency required by roofing system manufacturer for application.

D. Fasteners: Factory-coated steel fasteners and metal plates complying with corrosion resistance provisions in FM Approvals 4470, designed for fastening roofing components to substrate; tested by manufacturer for required pullout strength, and acceptable to roofing system manufacturer.

E. Roofing Granules: Ceramic-coated roofing granules, No. 11 screen size with 100 percent passing

No. 8 sieve and 98 percent of mass retained on No. 40 sieve; color to match roof membrane granules.

F. Miscellaneous Accessories: Provide those recommended by roofing system manufacturer.

2.8 ROOF INSULATION

A. Polyisocyanurate Board Insulation: ASTM C 1289, Type II, Class 1, Grade 2 felt or glass-fiber mat facer on both major surfaces. Minimum of 25 PSI compression.

1. As tested and approved by the approved roof system manufacturer for the FM approved assembly.

2. Size: 48 by 48 inches or 48 by 96 inches as approved by the approved roof system manufacturer in the submitted FM approved assembly.

3. Thickness:

a. Base Layer: 2.2 inches, loose laid.

b. Upper Layer: 2.2 inches, mechanically attached through the base layer.

B. Tapered Insulation: Provide factory-tapered insulation boards.

1. Material: Match roof insulation.

2. Minimum Thickness: 1/2 inch.

3. Slope:

a. Fully tapered insulation system: Resultant slope shall be ¼ inch per foot minimum in all areas and directions.

b. Saddles and Crickets: Resultant slope shall be ¼ inch per foot minimum in all areas and directions.

4. Install on the upslope side of all curbs, at any changes in roof direction where water can pond, and in all areas shown on the plans.

2.9 INSULATION ACCESSORIES

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A. Fasteners for metal deck areas: Factory-coated steel fasteners and metal complying with corrosion-resistance provisions in FM Approvals 4470, designed for fastening roof insulation to substrate, and acceptable to roofing system manufacturer.

1. Fasteners shall be manufactured by TruFast and included in the roof manufacturer’s warranty.

B. Insulation Adhesive for concrete deck areas: Insulation manufacturer's recommended adhesive formulated to attach roof insulation to substrate or to another insulation layer as follows:

1. Bead-applied, low-rise, multicomponent urethane adhesive.

2. Manufactured by TruFast and included in the roof manufacturer’s warranty.

C. Insulation Cant Strips: ASTM C 728, perlite insulation board.

2.10 COVER BOARD ALL AREAS

A. Cover Board: ASTM C 1177/C 1177M, glass-mat, water-resistant gypsum substrate or ASTM C

1278/C 1278M, fiber-reinforced gypsum board.

1. Thickness: 1/2 inch.

2. Surface finish: Factory primed.

3. Adhered to top layer of insulation.

4. DensDeck Prime by Georgia Pacific

5. DEXcell FA Glass Mat Roof Board by National Gypsum Company

6. Or approved equal.

2.11 ASPHALT MATERIALS

A. Asphalt Primer: ASTM D 41/D 41M.

2.12 WALKWAYS

A. Walkway Cap-Sheet Strips: Same material used for cap sheet:

1. Size: 36 by 36 inches.

2. Granule Color: Bright White.

PART 3 - EXECUTION

3.1 EXAMINATION

A. Examine substrates, areas, and conditions, with Installer present, for compliance with requirements and other conditions affecting performance of the Work.

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3.2 PREPARATION

A. Perform fastener-pullout tests if required by the roof system manufacturer.

1. Submit test result within 48 hours of performing tests.

a. Include manufacturer's requirements for any revision to previously submitted fastener patterns required to achieve specified wind uplift requirements.

3.3 ROOFING INSTALLATION, GENERAL

A. Install roofing system according to roofing system manufacturer's written instructions, FM

Approvals' RoofNav assembly requirements, and FM Global Property Loss Prevention Data

Sheet 1-29.

B. Complete terminations and base flashings and provide temporary seals to prevent water from entering completed sections of roofing system at the end of the workday or when rain is forecast.

1. Remove and discard temporary seals before beginning work on adjoining roofing.

C. Substrate-Joint Penetrations: Prevent roofing asphalt and adhesives from penetrating substrate joints, entering building, or damaging roofing system components or adjacent building construction.

3.4 BASE SHEET UNDERLAYMENT INSTALLATION – CONCRETE DECK AREAS

A. Before installing, unroll base sheet, cut into workable lengths, and allow to lie flat for a time period recommended by manufacturer for the ambient temperature, but not less than 30 minutes.

B. Installation of SBS-Modified Fiberglass-Mat Base Sheet:

1. Install base sheet according to roofing manufacturer's written instructions, starting at low point of roofing system.

2. Install base sheet in a shingle fashion, perpendicular to the slope of the deck.

3. Torch apply to substrate.

a. Perform torch application according to NFPA 241, including two-hour fire watch after torches have been extinguished.

4. Install base sheet without wrinkles, rears, and free from air pockets.

5. Laps: Accurately align roofing sheets, without stretching, and maintain uniform side and end laps.

a. Lap side laps as recommended by roof membrane manufacturer but not less than 3 inches

b. Lap end laps as recommended by roof membrane manufacturer but not less than 12 inches.

c. Heat weld end and side laps leaving no voids.

d. Roll laps with a 20-pound roller.

6. Repair tears and voids in laps and lapped seams not completely sealed.

7. Apply pressure to the body of the base sheet according to manufacturer's instructions, to remove air pockets and to result in complete adhesion of base sheet to substrate.

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3.5 INSULATION INSTALLATION

A. Coordinate installing roofing system components so insulation is not exposed to precipitation or left exposed at the end of the workday.

B. Comply with roofing system and insulation manufacturer's written instructions for installing roof insulation.

C. Insulation Cant Strips: Install and secure preformed 45-degree insulation cant strips at junctures of roofing system with vertical surfaces or angle changes greater than 45 degrees.

D. Installation Over Concrete Decking with vented base sheet:

1. Install base and cover layers of insulation.

a. 48- by 48-inch: end joints staggered not less than 12 inches in each direction.

b. Adjust boards to maintain positive slope to drain.

c. Butt joints tight, allowing no more than 1/4-inch-wide gaps between units.

d. Trim insulation neatly to fit within 1/4 inch of around penetrations and projections.

e. At scuppers, slope insulation to create a minimum 48 by 48-inch drain sump. Both primary and overflow scuppers shall be in a common sump centered on the primary scupper.

f. Do not use warped or bent insulation units.

g. Trim insulation, so that water flow is unrestricted.

h. Install tapered insulation cricket system where required to achieve positive slope to drain in all areas. No flat areas or depressions will be permitted. Adjust insulation as required to achieve minimum ¼ inch per foot positive slope to drains in all areas.

i. Adhere insulation layers in manufacturer’s approved 2-part urethane adhesive in patterns as approved to achieve the required wind uplift resistance. Increase adhesive pattern in corners and at perimeters as required.

j. Fasten insulation according to requirements in FM Approvals' RoofNav for specified

Windstorm Resistance Classification.

k. Fasten insulation to resist specified uplift pressure at corners, perimeter, and field of roof.

E. Installation Over Metal Decking:

1. Install base and cover layers of insulation

a. 48- by 96-inch: with joints staggered not less than 24 inches in adjacent rows

b. 48- by 48-inch: end joints staggered not less than 12 inches in adjacent rows and with long joints continuous at right angle to flutes of decking.

c. Locate end joints over crests of decking.

d. Trim insulation neatly to fit around penetrations and projections, and to fit tight to intersecting sloping roof decks.

e. Make joints between adjacent insulation boards not more than 1/4 inch in width.

f. At internal roof drains and scuppers, slope insulation to create a minimum 48 by 48-inch drain sump. Both primary and overflow drains shall be in a common sump

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centered on the primary drain. Ensure positive slope from the overflow to the primary drain.

1) Trim insulation, so that water flow is unrestricted.

g. Fill gaps exceeding 1/4 inch with insulation.

h. Cut and fit insulation within 1/4 inch of nailers, projections, and penetrations.

i. Mechanically attach base and cover layers of insulation together using mechanical fasteners specifically designed and sized for fastening specified board-type roof insulation to metal decks.

1) Fasten insulation according to requirements in FM Approvals' RoofNav for specified Windstorm Resistance Classification.

2) Fasten insulation to resist specified uplift pressure at corners, perimeter, and field of roof.

F. Install tapered layers of insulation (crickets and saddles), with joints of each layer offset not less than 12-inches from previous layer of insulation.

1. 48 by 48-inch insulation boards: Staggered end joints within each layer not less than 24 inches in adjacent rows.

2. 48 by 96-inch insulation boards: Install with long joints continuous and with end joints staggered not less than 12 inches in adjacent rows.

3. Trim insulation neatly to fit around penetrations and projections, and to fit tight to intersecting sloping roof decks.

4. Make joints between adjacent insulation boards not more than 1/4 inch in width.

5. At internal roof drains and scuppers, slope insulation to create a minimum 48 by 48-inch drain sump.

6. Trim insulation, so that water flow is unrestricted.

7. Fill gaps exceeding 1/4 inch with insulation.

8. Cut and fit insulation within 1/4 inch of nailers, projections, and penetrations.

9. Adhere each layer of insulation to substrate using adhesive according to FM Approvals'

RoofNav assembly requirements and FM Global Property Loss Prevention Data Sheet 129 for specified Windstorm Resistance Classification, as follows:

a. Set each layer of insulation in ribbons of bead-applied insulation adhesive, firmly pressing and maintaining insulation in place until adhesive sets. Bead spacing as required by the roofing manufacturer to achieve specified wind uplift requirements.

3.6 INSTALLATION OF COVER BOARDS

A. Install cover boards over insulation with long joints in continuous straight lines, with end joints staggered between rows. Offset joints of insulation below a minimum of 6 inches in each direction.

1. Trim cover board neatly to fit around penetrations and projections, and to fit tight to intersecting sloping roof decks.

2. At internal roof drains, conform to slope of drain sump.

a. Trim cover board, so that water flow is unrestricted.

3. Cut and fit cover board tight to nailers, projections, and penetrations.

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4. Adhere cover board to substrate using adhesive according to FM Approvals' RoofNav assembly requirements and FM Global Property Loss Prevention Data Sheet-29 for specified Windstorm Resistance Classification, as follows:

a. Set cover board in ribbons of bead-applied insulation adhesive, firmly pressing and maintaining insulation in place until adhesive sets.

3.7 ROOFING MEMBRANE INSTALLATION, GENERAL

A. Install roofing system according to roofing system manufacturer's written instructions and applicable recommendations in ARMA/NRCA's "Quality Control Guidelines for the Application of Polymer Modified Bitumen Roofing", and these specifications.

B. Start installation of roofing in presence of roofing system manufacturer's technical personnel.

C. Aesthetic Considerations: Construction of an aesthetically pleasing overall appearance of the finished roof application is a standard requirement for this project. Make necessary preparations, utilize recommended application techniques, apply the specified materials including granules, and exercise care in ensuring that the finished application is acceptable to the Owner.

D. Coordinate installation of roofing system so insulation and other components of the roofing system not permanently exposed are not subjected to precipitation or left uncovered at the end of the workday or when rain is forecast.

1. Provide tie-offs at end of each day's work to cover exposed roofing sheets and insulation with a course of coated felt set in roofing cement, with joints and edges sealed.

2. Complete terminations and base flashings and provide temporary seals to prevent water from entering completed sections of roofing system.

3. Remove and discard temporary seals before beginning work on adjoining roofing.

E. Bitumen Consistency: Cutting or alterations of bitumen, primer, and sealants will not be permitted.

F. Roofing Application: Apply all layers of roofing free of wrinkles, creases or fishmouths. Exert sufficient pressure on the roll during application to ensure prevention of air pockets.

3.8 BASE SHEET INSTALLATION

A. Before installing, unroll base sheet, cut into workable lengths, and allow to lie flat for a time period recommended by manufacturer for the ambient temperature, but not less than 30 minutes.

B. Installation of SBS-Modified Fiberglass-Mat Base Sheet:

1. Install base sheet according to roofing manufacturer's written instructions, starting at low point of roofing system.

2. Extend roofing sheets over and terminate above cants.

3. Install base sheet in a shingle fashion, perpendicular to the slope of the deck.

4. Torch apply to substrate.

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a. Perform torch application according to NFPA 241, including two-hour fire watch after torches have been extinguished.

5. Install base sheet without wrinkles, rears, and free from air pockets.

6. Laps: Accurately align roofing sheets, without stretching, and maintain uniform side and end laps.

a. Lap side laps as recommended by roof membrane manufacturer but not less than 3 inches

b. Lap end laps as recommended by roof membrane manufacturer but not less than 12 inches.

c. Stagger end laps not less than 18 inches.

d. Heat weld end laps leaving no voids.

e. Roll laps with a 20-pound roller.

7. Repair tears and voids in laps and lapped seams not completely sealed.

8. Apply pressure to the body of the base sheet according to manufacturer's instructions, to remove air pockets and to result in complete adhesion of base sheet to substrate.

3.9 SBS-MODIFIED BITUMINOUS CAP SHEET INSTALLATION

A. Before installing, unroll cap sheet, cut into workable lengths, and allow to lie flat for a time period recommended by manufacturer for the ambient temperature at which cap sheet will be installed, but not less than 30 minutes.

B. Install modified bituminous roofing cap sheet according to roofing manufacturer's written instructions, starting at low point of roofing system.

1. Extend cap sheet over and terminate above cants.

2. Install cap sheet in a shingle fashion.

3. Install cap sheet as follows:

a. Torch apply to substrate.

1) Perform torch application according to NFPA 241, including two-hour fire watch after torches have been extinguished.

4. Install cap sheet without wrinkles or tears, and free from air pockets.

5. Install cap sheet, so side and end laps shed water.

C. Laps: Accurately align roofing sheets, without stretching, and maintain uniform side and end laps.

1. Lap side laps as recommended by roof membrane manufacturer but not less than 3 inches.

2. Lap end laps as recommended by roof membrane manufacturer but not less than 12 inches.

3. Stagger end laps not less than 18 inches.

4. Heat weld laps, leaving no voids.

5. Roll laps with a 20-pound roller.

6. Repair tears and voids in laps and lapped seams not completely sealed.

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D. Apply pressure to the body of the cap sheet according to manufacturer's instructions, to remove air pockets and to result in complete adhesion of base sheet to substrate.

E. Apply roofing granules of same color as roof membrane to cover exuded bead at laps while bead is hot, to provide a continuous color appearance.

3.10 FLASHING AND STRIPPING INSTALLATION

A. Install base flashing over cant strips and other sloped and vertical surfaces, at roof edges, and at penetrations through roof, and secure to substrates according to roofing system manufacturer's written instructions and as follows:

1. Prime substrates with asphalt primer if required by roofing system manufacturer.

2. Backer Sheet Application:

a. Mechanically fasten backer sheet to walls or parapets.

b. Seal all laps.

3. Flashing Sheet Application: Torch apply flashing sheet to substrate.

a. Perform torch application according to NFPA 241, including two-hour fire watch after torches have been extinguished.

B. Extend base flashing up walls or parapets a minimum of 8 inches above roofing membrane and 4 inches onto field of roofing membrane.

C. Mechanically fasten top of base flashing securely at terminations and perimeter of roofing. 1. Seal top termination of base flashing with a strip of glass-fiber fabric set in asphalt roofing cement.

D. Install liquid flashing system according to manufacturer's recommendations.

1. Extend liquid flashing not less than 4 inches in all directions from edges of item being flashed.

E. Install roofing cap-sheet stripping where metal flanges and edgings are set on roofing according to roofing system manufacturer's written instructions.

3.11 WALKWAY INSTALLATION

A. Walkway Cap Sheet Strips: Install walkway cap sheet strips over roofing membrane, using same application method as used for roofing cap sheet.

1. Install walkways strips at the following locations:

a. Locations indicated on Drawings.

b. As required by roof membrane manufacturer’s warranty requirements.

c. At the top and/or bottom of all ladders.

d. At all roof access doors.

e. On the service side of all roof top units.

f. Under all pipe supports.

g. Under all satellite dish/antenna supports.

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3.12 PROTECTING AND CLEANING

A. Protect roofing system from damage and wear during remainder of construction period.

1. When remaining construction does not affect or endanger roofing, inspect roofing system for deterioration and damage, describing its nature and extent in a written report, with copies to Consultant and Owner.

B. Correct deficiencies in or remove roofing system that does not comply with requirements, repair substrates, and repair or reinstall roofing system to a condition free of damage and deterioration at time of Substantial Completion and according to warranty requirements.

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3.13 ROOFING INSTALLER’S WARRANTY

A. WHEREAS of , herein called the “Roofing Installer,” has performed roofing and associated work (“work”) on the following project:

1. Owner:

2. Address:

3. Building Name/Type:

4. Address:

5. Area of Work:

6. Acceptance Date:

7. Warranty Period:

8. Expiration Date:

B. AND WHEREAS Roofing Installer has contracted (either directly with Owner or indirectly as a subcontractor) to warrant said work against leaks and faulty or defective materials and workmanship for designated Warranty Period, C. NOW THEREFORE Roofing Installer hereby warrants, subject to terms and conditions herein set forth, that during Warranty Period he will, at his own cost and expense, make or cause to be made such repairs to or replacements of said work as are necessary to correct faulty and defective work and as are necessary to maintain said work in a watertight condition. D. This Warranty is made subject to the following terms and conditions:

1. Specifically excluded from this Warranty are damages to work and other parts of the building, and to building contents, caused by: a. Lightning;

a. Peak gust wind speed exceeding 80 mph;

b. Fire;

c. Failure of roofing system substrate, including cracking, settlement, excessive deflection, deterioration, and decomposition;

d. Faulty construction of parapet walls, copings, chimneys, skylights,…