Attachment_1_-_Specifications_08222019_.pdf

MAXWELL LOCKS AND DAM

SCOPE OF WORK AND SPECIFICATIONS TO APPLY LIQUID ETHYLENE PROPYLENE

DIENE MONOMER (EPDM) RUBBER TO SEAL SIX MACHINERY HOUSE ROOFS

2 | P a g e

Table of Contents

SCOPE OF WORK

1. GENERAL REQUIREMENTS

General

1.1.1. Dam machinery houses-Quantity=6

1.1.2. Labor and materials

1.1.3. Existing items

1.1.4. Existing roofs

Safety Requirements

1.2.1. Accident Prevention Plan (APP)

1.2.2. Risk Management

1.2.3. Implementation of Safety and Occupational Health (SOH) Program

1.2.4. Mishap Reporting

1.2.5. Unforeseen Hazardous Material

1.2.6. Damage Reports

1.2.7. Minimum Personal Protective Equipment

1.2.8. Pre-Work Conference

1.2.9. Notes

Project Government personnel contacts Quality Control Certification of Compliance Project/Site Conditions

1.6.1. Reference Drawings

1.6.2. Verification of Field Conditions

1.6.3. Work Areas

1.6.4. Time of Performance

1.6.5. Permits

Protection of Government Property Inspections and Acceptance of Work Area Preparation

Points of Contact (POC) Security Requirements-AT/OPSEC

1.11.1. Anti-Terrorism (AT) Level I Training

1.11.2. 2. Access and General Protection and Security Policy and Procedures

1.11.3. 2b. For contractors who do not require Common Access Card (CAC), but require access to a DOD facility or installation

1.11.4. 4. Suspicious Activity Reporting Training

1.11.5. 15. Pre-screen candidates using E-Verify Program

1.11.6. Employee Identification and Background Check

SPECIFICATIONS

2. GENERAL REQUIREMENTS

References

3 | P a g e

Description of Liquid EPDM Roof Coating System Submittals Quality Assurance

2.4.1. Pre-roofing Conference

Delivery, Storage, and Handling

2.5.1. Delivery

2.5.2. Storage

2.5.3. Handling

Environmental Requirements Sequencing Warranty

2.8.1. Roofing System Installer Warranty

2.8.2. Liquid EPDM Manufacturer Warranty

2.8.3. Continuance of Warranty

Operations and Maintenance manual/data Conformance and Compatibility

3. Products

Materials

3.1.1. Liquid EPDM

3.1.2. Energy Performance

3.1.3. Wood Products

Execution

3.2.1. Preparation

3.2.2. Fall Protection System

3.2.3. Primers and Sealers

3.2.4. Coating

3.2.5. Application

3.2.6. Storage and Disposal

3.2.7. Protection of Equipment

3.2.8. Protection of Aluminum

3.2.9. Protection of Applied Roofing

Correction of Deficiencies Clean Up Field Quality Control

3.5.1. Construction Monitoring

Information Sheet

4. Measurement and Payment

Appendix 1 – Pictures

4 | P a g e

SCOPE OF WORK

1. GENERAL REQUIREMENTS

General The work is located on the dam machinery houses at Maxwell Locks and Dam located at 142 Maxwell Locks and Dam, E. Millsboro, PA 15433-1261. The site of the work may be reached from state and local roads and streets. All work shall be done in a professional manner and in accordance with industry standards. The work covered by this specification consists of providing all equipment, materials, and labor for cleaning, preparing, priming, coating, and waste removal for roof coating on six machinery house buildings. The purpose of this contract is to seal the roof to prevent water from entering the buildings. The buildings are located at the top of the Maxwell dam, and house the dam gate operating machinery and controls.

1.1.1. Dam machinery houses-Quantity=6

Contractor shall remove loose coating material on existing roof and clean all seams of the metal substrate. Contractor shall properly prepare and treat all rust areas with rust converter.

Contractor shall seal holes, existing seams, and penetrations. Contractor shall apply an appropriate primer to all exposed metal surfaces. Contractor shall apply approximately 700 sf per roof, including extension side walls, of liquid EPDM. Liquid EPDM shall be compatible with, and not cause degradation of the existing roof material.

The Contractor shall verify dimensions and clearances in the field before beginning work.

1.1.2. Labor and materials

The contractor shall provide all labor and materials necessary to remove and replace the existing roof coating and must furnish all equipment, labor, and layout of work, supervision, and materials necessary to complete the work as shown and as specified. The Contractor shall be responsible for transport of materials to and from the site and to prevent removed materials from entering the river. All material provided in the performance of this contract shall be unused and meet the requirements of the specifications. Materials are not to be installed in adverse weather conditions. Details of the building construction are shown on the attached reference drawings. All materials are shall be properly stored, handled, and protected from moisture or other damages. Liquid components are to be properly mixed prior to application.

1.1.3. Existing items

As shown in the Pictures in Appendix 1, the roofs are painted steel, with a polyurethane coating, with spots of rust and holes. There is a wire hand-rope around each roof, but it is not up to current standards, and is unusable as either a railing or a tie-off point.

The Liquid EPDM shall have a proper waterproof seal around all existing items that protrude thru or from the roof. The roofs and all fixtures shall be cleaned up, touched up as necessary, and repaired to the satisfactory of the KO.

1.1.4. Existing roofs

Each roof is approximately 700 square feet and consists of a dome with a flat roof deck. The Contractor shall verify dimensions and clearances in the field before beginning work.

Elevation for each roof is approximately ten feet above walkway. See Reference drawings, 5 | P a g e

“Reference Drawings-Roof-Machinery House-qty-6 2019-Maxwell.pdf” sheet number 5 for details of the existing roofs. The existing roof system is 14 gauge top sheet continuous over Robertson Sec. 3-14 roof deck.

Safety Requirements All work shall be performed in accordance with Federal, State, and Local safety requirements, including those specified by the Occupational Safety and Health Administration (OSHA) and the U.S. Army Corps of Engineers Safety and Health Requirements Manual, EM 385-1-1. Where a conflict exists between safety standards / requirements, the Contractor shall comply with the more stringent requirement.

The latest version of the EM 385-1-1 is available online at:

https://www.publications.usace.army.mil/Portals/76/Publications/EngineerManuals/EM_385- 1-1.pdf?ver=2015-04-09-142531-467.

1.2.1. Accident Prevention Plan (APP)

Due to the nature of anticipated work, the Contractor may submit an abbreviated Accident Prevention Plan (APP). The Abbreviated APP shall be developed in accordance with EM 385-1-1 Appendix A, Paragraph K. In addition to the items specified as part of the Abbreviated APP, other programs and procedures pertinent to the Contract’s anticipated activities shall be submitted as appendices to the APP, to include, but not limited to, “Hazardous Energy Control Program and Procedures” (12.A.01) and “Fall Protection and Prevention Plans” (21.D). The APP and applicable appendices shall be submitted to the Contacting Officer within 15 calendar days after receipt of the Notice to Proceed. The APP shall be reviewed and accepted by the Contracting Officer prior to any commencement of work. A Fall Protection Plan shall be part of the Accident Prevention Plan.

The abbreviated APP Form, Form A-01, may be used to ensure each area of the required information has been provided.

1.2.2. Risk Management

Risk management is a business process that includes the identification, assessment, and prioritization of risks, followed by coordinated and economical application of resources to minimize, monitor, and control the probability and/or impact of unfortunate events to an acceptable level. A risk management assessment tool, such as activity hazard analysis (AHA), job safety analysis (JSA), or job hazard analysis (JHA) shall be developed by the contractor performing the work for each activity, task, or defined feature of work (DFOW).

The assessment shall identify the work sequence, specific anticipated hazards, site conditions, equipment, materials, personnel, and the control measures to be implemented to control the hazards. A Risk Assessment Code (RAC) shall be assigned to each job step based on the residual risk remaining after controls are implemented. A RAC shall then be assigned to the overall activity consistent with the highest RAC identified for the job steps. If developed by a subcontractor, the Prime Contractor shall review and approve the assessment before submission to the Contracting Officer. The Risk Assessment shall be signed by the Site Safety and Health Officer (SSHO), Superintendent, Quality Control (QC) Manager, and any subcontracting Foreman's performing the work. If Qualified or Competent Persons are required for a particular activity, they shall be identified and included in the assessment, and their competency/qualification identified. Work shall not begin until the https://www.publications.usace.army.mil/Portals/76/Publications/EngineerManuals/EM_385-1-1.pdf?ver=2015-04-09-142531-467 https://www.publications.usace.army.mil/Portals/76/Publications/EngineerManuals/EM_385-1-1.pdf?ver=2015-04-09-142531-467

6 | P a g e assessment has been accepted by the Contracting Officer and discussed with all engaged in the activity.

These risk assessment tools are considered living documents and shall be updated as needed. If the RAC increases from what was originally accepted by the Contracting Officer, the assessment shall be re-submitted for acceptance prior to work proceeding. Changes that do not increase the RAC are not required to be resubmitted for acceptance.

The risk assessment shall be developed in accordance with EM 385-1-1 Section 1, or as specified by the Contracting Officer. Risk assessments shall be submitted for review at least 15 working days prior to the start of the activity, task, or defined feature of work is set to begin. The Government reserves the right to require the Contractor to revise and resubmit any documents if they fail to effectively identify the work sequence, specific anticipated hazards, site conditions, equipment, materials, personnel, and the control measures to be implemented.

Each employee performing work as part of an activity, task, or defined feature of work shall review the risk assessment for the activity and sign the signature log designated for the assessment prior to beginning work. A signature log shall be maintained for each risk assessment.

Completed risk assessments need not be submitted at the time of the APP submission, but the Contractor shall identify each activity, task, or DFOW that shall require a risk assessment to be completed at the time of submission.

1.2.3. Implementation of Safety and Occupational Health (SOH) Program Based on the limited-scope of this Contract, in lieu of appointing a SSHO at the project site, the Contractor may appoint a Designated Representative (DR) at the site to function as a collateral duty safety person, provided that an individual meeting the requirements of an SSHO as stated in EM 385-1-1 Section 1, Paragraph A.17 supervises the functioning of the DR. The DR shall perform safety programs and tasks as prescribed by the SSHO and report safety findings to the SSHO. SSHO or DR shall be on site at all times work is being done.

Note: Any activities that have a RAC of high or extremely high retracts the allowance to only have a DR, and shall have an SSHO on site.

1.2.4. Mishap Reporting

A mishap is any unplanned, undesired event that occurs during the course of work being performed, to include, accidents, incidents, and near misses. All mishaps shall be reported to the Contracting Officer within 24-hours after notification from the affected employee(s).

Contractors are responsible for maintaining an Occupational Safety and Health Administration (OSHA) Log of Work Related Injuries and Illnesses (Form 300) and complying with all reporting and recordkeeping requirements specified in 29 Code of Federal Regulations (CFR) 1904.

1.2.5. Unforeseen Hazardous Material

The U.S. Army Corps of Engineer (USACE) shall identify and communicate all known hazardous materials such as Polychlorinated biphenyls (PCBs), lead paint, asbestos, and other OSHA regulated chemicals (i.e. 29 CFR 1910.1000) in which the Contractor may come into contact with during the course of activities. If material is encountered that was not

7 | P a g e indicated, but may be hazardous to human health upon disturbance, that portion of the work shall stop and the Contracting Officer immediately notified. The Government shall determine within 14 days of notification if the material is or is not considered hazardous. If the material is not hazardous or poses no danger, the Administrative Contracting Officer (ACO) shall direct the Contractor to proceed without change. If the material is determined to be hazardous or dangerous and handling of the material is necessary to accomplish the work, the ACO shall issue a modification pursuant to FAR 52.243-4, Changes and FAR 52.236-2, Differing Site Conditions.

1.2.6. Damage Reports

All instances where Government materials supplies, property, and/or equipment are damaged shall be reported immediately to the Contracting Officer and Lockmaster.

1.2.7. Minimum Personal Protective Equipment

Personal Protective Equipment (PPE) is governed in all areas by the nature of the work that personnel are performing and should be described in the applicable Activity Hazard Analysis (AHA). Mandatory PPE, at minimum, shall include: hard hat, long pants, safety toe shoes/boots, and short sleeve shirts.

1.2.8. Pre-Work Conference

The Contractor shall participate in a pre-work conference with the ACO, prior to the initiation of installation work under this contract. During the pre-work conference, the Contractor's APP, AHAs, and plans, programs, and procedures shall be discussed, thus the Contractor’s submittals shall be accepted by the Contracting Officer prior to this meeting. Work shall not be started until all submittals have been accepted and the pre-work conference completed.

1.2.9. Notes

The Contractor shall provide Competent Persons in accordance with EM 385-1-1 and where specified herein. Competent Persons shall be designated in writing and shall meet the requirements for the specific activity for which they are designated. Competent Persons shall be on-site during all times work that present the hazards associated with their competency is being performed.

Crane operators, riggers, and signal persons shall be trained, licensed and meet the physical and drug testing requirements specified in EM 385-1-1 Section 16.

Project Government personnel contacts Pre-quote site visits are encouraged. Pre-work notifications are required. Coordination with the projects for early planning and tentative schedule compilation purposes and schedule submission is expected. Advance notice to the projects prior to the inspection visits is required. The appropriate Government contact is listed by location, along with their telephone number, as shown above.

Quality Control The contractor shall complete and submit a Quality Control Plan. There shall be one qualified Superintendent and one qualified Quality Control inspector. The Safety person and the Quality Control inspector may be the same person and may be the DR. The quality control system shall consist of plans, procedures, and organization necessary to produce an

8 | P a g e end product which complies with the contract requirements. Cover all construction operations, both onsite and offsite, and be keyed to the proposed construction sequence.

The project superintendent shall be held responsible for the quality of work and is subject to removal by the Contracting Officer. The Contracting Officer reserves the right to conduct any inspections or perform any tests deemed necessary at any time during the execution of the contract to determine conformance with the requirements of theses specifications.

Superintendent and QC shall be on site at all times work is being done.

Certification of Compliance For all proposed equipment or materials to be furnished under this contract, the Contractor shall furnish a statement signed by an official authorized to certify on behalf of the manufacturer of a product, system, or material, attesting that the product, system, or material meets the specified requirements. The statement must be dated after the award of the contract, must state the Contractor's name and address, must name the project and location, and must list the specific requirements which are being certified. The Certificate of Compliance shall be submitted prior to shipment of equipment or materials or the incorporation of equipment or materials into the finished work. In no case shall the Government’s right to inspect supplies under the inspection provisions of this contract be prejudiced. The Government has the right to reject defective supplies or services within a reasonable time after delivery by written notification to the Contractor. The Contractor shall in such event promptly replace, correct, or repair the rejected supplies or services at the Contractor’s expense.

Project/Site Conditions

1.6.1. Reference Drawings

Attached Reference Drawings show existing conditions to the best knowledge of the Government. Unless otherwise noted, dimension, elevations, and other features shown on contract drawings, are generally based on the reference drawings supplemented by field surveys. The Government cannot guarantee the accuracy of the dimensions, elevations, and features shown on reference drawings or on contract drawings which are based on the reference drawings, and it shall be the responsibility of the Contractor, whenever necessary, to verify all elevations and the dimensions by measurements in the field. All elevations are referenced to the local datum used for the original construction of the structure. The Contractor shall verify elevations and dimensions before laying out the work. The Contracting Officer shall be notified of any discrepancies prior to commencing work.

1.6.2. Verification of Field Conditions

The Contractor shall verify all dimensions and conditions in the field and shall advise the Contracting Officer of any discrepancy before performing any work.

1.6.3. Work Areas

Neither the contractor nor the contractor’s employees shall be permitted inside of the Admin or Operations buildings for any reason. Transport of materials and equipment shall be the responsibility of the Contractor. The Contractor shall be fully responsible for determining the methods used to transport materials and equipment to and from the areas as well as the removal of waste materials from such spaces. The Contractor shall ensure that his operations shall not interfere with the operation of the project or the duties of project

9 | P a g e personnel. Work areas shall be coordinated and agreed on with the Lockmaster, dependent on other contracts being carried out at the time. (POCs section 1.10) It is noted that the work shall be performed on the roofs of the six (6) Machinery houses on top of the dam. Scaffolding, transport of materials and equipment shall be the responsibility of the Contractor.

1.6.4. Time of Performance

The Contractor shall notify the Points of Contact (POCs section 1.10) prior to start of work.

The Contractor shall schedule work through the POCs. The Contractor shall coordinate work with the POCs NLT 3 days before starting work. Work shall be completed with-in sixty (60) days of start date. Other contractors may be working in the same area performing other work. The contractor shall execute work in a manner so as not to impede other contract work. The Contractor shall confine all operations at the work site between the hours of 7:30 AM and 4:00 PM, Monday through Friday, unless otherwise approved. Work shall not be permitted on weekends or Federal holidays unless otherwise approved. Work shall be scheduled so that all work shall be completed in one construction season.

1.6.5. Permits

The Contractor shall be responsible for obtaining any licenses and permits and complying with any laws, codes, and regulations applicable to the execution of this work as required federally and by the State of Pennsylvania.

Protection of Government Property The contractor shall protect all government property during the performance of this contract.

All damage to existing government property as a result of the contractors work shall be repaired or replaced to the satisfaction of the Contracting Officer. Exposed roof and building interior shall be protected at all times. At areas where existing roofing materials have been removed, the contractor shall install and maintain temporary protection from the weather until permanent installation of roofing materials can be made. The Contractor shall coordinate roof demolition with the Contracting Officer. Work area shall be cleaned by the contractor after construction is complete.

Inspections and Acceptance of Work Notwithstanding other provisions of this contract, all materials and work to be performed under this contract shall be inspected and accepted by the Contracting Officer. The Contracting Officer shall be the individual solely authorized to reject materials, disapprove or approve any work in progress, or order or direct any revision or change to the plans and specifications as presently shown and stated.

Area Preparation Contractor shall submit demolition plan, per EM 385-1-1, section 23.A.01. All materials removed in the performance of this contract and not reused shall become the property of the contractor and be disposed of offsite in accordance with Federal, State, and Local regulations. On-site burning shall not be permitted, and materials shall not be permitted to fall into the river.

All loose paint and rust shall be removed by mechanical means. Remove large rust and scale particles with a wire brush or mallet. Then clean the surface thoroughly to remove dirt, 10 | P a g e dust, and grease. Allow the surface to dry completely before applying a rust converter and allow adequate time to dry and remove any excess. Patch holes as appropriate with 14 gauge sheet metal and ensure the patch overlaps the hole by at least 2 inches in all directions past the edges of the damaged area.

Points of Contact (POC) Prior to commencement of any work being performed on site, the contractor shall participate in a Pre-work Meeting with the Administrative Contacting Officer (ACO) and the Lockmaster on-site.

o Maxwell Locks and Dam Lockmaster – Mr. Eric Thewlis, 724-785-3003, Robert.Thewlis@usace.army.mil o Resident Engineer – Kirk McWilliams, 724-555-2005, Kirk.A.McWilliams@usace.army.mil o Facility Maintenance Engineer - Joe Ostrosky, 412-395-7191, Michael.J.Ostrosky@usace.army.mil

Security Requirements-AT/OPSEC

1.11.1. Anti-Terrorism (AT) Level I Training

All contractor employees, to include subcontractor employees, requiring access to Army installations, facilities, controlled access areas, or require network access, shall complete AT Level I awareness training within 30 calendar days after contract start date or effective date of incorporation of this requirement into the contract, whichever is applicable. Upon request, the contractor shall submit certificates of completion for each affected contractor employee and subcontractor employee, to the contracting officer, within 5 calendar days after completion of training by all employees and subcontractor personnel. AT Level I awareness training is available at the following website: http://jko.jten.mil/courses/atl1/launch.html; or it can be provided by the Requesting Activity Anti-Terrorism Officer (RA ATO) in presentation form which shall be documented via memorandum.

1.11.2. Access and General Protection and Security Policy and Procedures The contractor and all associated subcontractors' employees shall comply with applicable installation, facility, and area commander installation and facility access and local security policies and procedures (provided by the Government Representative). The contractor shall also provide all information required for background checks to meet installation access requirements to be accomplished by the installation the USACE Security Office. The contractor workforce must comply with all personal identity verification requirements as directed by DOD, HQDA, and/or local policy. In addition to the changes otherwise authorized by the changes clause of this contract, should the Force Protection Condition (FPCON) at any individual facility or installation change, the Government may require changes in contractor security matters or processes. The contractor must submit the full name, Social Security Number, Date of Birth, and Place of Birth for all associated contractor or subcontractor employees to the USACE Security Stephen Davidson, 412-395-7504, stephen.davidson@usace.army.mil. The District retains the right to deny any contractor and subcontractor employee from working on one of its contracts based on final background investigation results.

1.11.3. For contractors who do not require Common Access Card (CAC), but mailto:Robert.Thewlis@usace.army.mil mailto:Michael.J.Ostrosky@usace.army.mil

11 | P a g e require access to a DOD facility or installation Contractor and all associated sub-contractors employees shall comply with adjudication standards and procedures using the National Crime Information Center Interstate Identification Index (NCIC-III) and Terrorist Screening Database (TSDB) (Army Directive 2014-05 / AR 190-13), applicable installation, facility and area commander installation/facility access and local security policies and procedures (provided by government representative, as NCIC and TSDB are available), or, at OCONUS locations, in accordance with status of forces agreements and other theater regulations.

1.11.4. Suspicious Activity Reporting Training

The contractor and all associated sub-contractors shall receive a brief/training (provided by the RA) on the local suspicious activity reporting program. This locally developed training shall be used to inform employees of the types of behavior to watch for and instruct employees to report suspicious activity to the project manager, security representative or law enforcement entity. This training shall be completed within 30 calendar days of contract award and within 30 calendar days of new employees commencing performance with the results reported to the Administrative Contracting Officer no later than 5 calendar days after the completion of the training.

1.11.5. Pre-screen candidates using E-Verify Program

The Contractor must pre‐screen Candidates using the E‐verify Program (http://www.uscis.gov/e-verify ) website to meet the established employment eligibility requirements. The Vendor must ensure that the Candidate has two valid forms of Government issued identification prior to ensure the correct information is entered into the E‐ verify system. An initial list of verified/eligible Candidates must be provided to the KO no later than 3 business days after the initial contract award.

1.11.6. Employee Identification and Background Check

The Contractor shall be responsible for furnishing an identification badge/card to each employee prior to the employee working on-site and for requiring each employee engaged on the work to display identification. Identification shall consist of name tags with the name of the Contractor and the employee's name. Additionally, a valid state driver's license or other Government-issued photo identification card is required for positive identification. Each employee shall be subject to a background check in accordance with "Homeland Security Presidential Directive (HSPD) 12: Policy for a Common Identification Standard for Federal Employees and Contractors" (HSPD- 12). Only those individual employees that were specifically identified and approved shall be cleared to work on Government property.

http://www.uscis.gov/e-verify http://www.uscis.gov/e-verify http://www.uscis.gov/e-verify

12 | P a g e

SPECIFICATIONS

2. GENERAL REQUIREMENTS

References The publications listed below form a part of this specification to the extent referenced. The publications are referred to within the text by the basic designation only. Latest reference version should always be used.

o American Society of Civil Engineers (ASCE) o ASCE 7 - Minimum Design Loads for Buildings and Other Structures o ASTM International (ASTM) o ASTM D4637/D4637M - EPDM Sheet Used in Single-Ply Roof Membrane o ASTM D4811/D4811M - Standard Specification for Non-vulcanized

(Uncured) Rubber Sheet Used as Roof Flashing o ASTM D6369 - Design of Standard Flashing Details for EPDM Roof

Membranes o ASTM E108 - Fire Tests of Roof Coverings o FM GLOBAL (FM) o FM 4470 - Single-Ply, Polymer-Modified Bitumen Sheet, Built-up Roof

(BUR), and Liquid Applied Roof Assemblies for Use in Class 1 and Noncombustible Roof Deck Construction o FM APP GUIDE (updated on-line) Approval Guide http://www.approvalguide.com/ o National Roofing Contractors Association (NRCA) o NRCA RoofMan - The NRCA Roofing Manual Single Ply Roofing Industry

(SPRI)

o U.S. Department Of Energy (DOE) o Energy Star - Energy Star Energy Efficiency Labeling System (FEMP) o Underwriters Laboratories (UL) o UL 790 - Standard Test Methods for Fire Tests of Roof Coverings o UL RMSD - Roofing Materials and Systems Directory

Description of Liquid EPDM Roof Coating System Liquid EPDM is similar to sheet version EPDM, but provides a seamless roof membrane that has a life expectancy of at least 10 years, endures temperatures from -40F to over 160F, is water and weather proof, UV resistant, and completely seals the roof.

Submittals The contractor shall provide submittals for Government Approval. The Government reserves the right to require the Contractor to resubmit any item found not to comply with the contract.

This does not relieve the Contractor from the obligation to furnish material conforming to the plans and specifications. It shall not prevent the Contracting Officer from requiring removal and replacement of nonconforming material incorporated in the work.

o SD-02 Shop Drawings Roof Plan Drawing Roof plan drawing depicting boundaries of enhanced perimeter. Submit a Roof Plan that displays the layout showing where the contractor’s equipment shall be situated and how the contractor shall keep any materials out of the river.

http://www.approvalguide.com/

13 | P a g e

Access Plan o SD-03 Product Data

For evaluation purposes, the bidder shall submit for approval product literature for the roof materials to be used. Product data shall include catalog cuts, specifications, or other descriptive data for materials proposed for use, including copies of Manufacturer’s warranties. All appropriate descriptive data shall be clearly indicated on the submittal.

Safety Data Sheets (SDS) for materials Warranty Certificate o SD-07 Certificates Qualifications of Installer

Roofing system installer shall be approved, authorized, or licensed in writing by the roofing system manufacturer and shall have at least the minimum years’ experience required by the manufacturer as an approved, authorized, or licensed installer with that manufacturer and be approved at a level capable of providing the specified warranty.

o Credentials of Designated Persons to Include: SSHO, DR, CP, Fall Protection, QP, Electrical, Material Handling Equipment operators Manufacturer’s Certificate

Liquid EPDM manufacturer must have at least 5 years’ experience in manufacturing EPDM roofing products.

o SD-08 Manufacturer's Instructions Application Application Method, including pattern and frequency of application

Include detailed application instructions and standard manufacturer drawings altered as required by these specifications. Explicitly identify in writing, differences between manufacturer's printed instructions and the specified requirements.

Accident Prevention Plan o Activity Hazard Analyses (AHAs)

Cold Weather Installation Fall Protection Plan o SD-11 Closeout Submittals Warranty Information Card Instructions to Government Personnel o Contractor data submission All contractor data submissions shall be submitted to:

U.S. Army Corps of Engineers Pittsburgh District ATTN: OPT-M (Joe Ostrosky)

1000 Liberty Avenue Pittsburgh, PA 15222-4186

Phone: 412-395-7191 Quality Assurance

2.4.1. Pre-roofing Conference

After approval of submittals and before performing roofing system installation work, hold a Pre-roofing conference to review the following:

14 | P a g e o Drawings, specifications, and submittals related to the roof work;

o Roof system components installation;

o Contractor's plan for coordination of the work of the various trades involved in providing the roofing system and other components secured to the roofing;

o Quality control plan for the roof system installation; and o Safety requirements.

Coordinate pre-roofing conference scheduling with the Contracting Officer. The conference must be attended by the Contractor, the Contracting Officer's designated personnel, personnel directly responsible for the installation of roofing and sheet metal work, mechanical and electrical work, and other trades interfacing with the roof work. Before beginning roofing work, provide a copy of meeting notes and action items to all attending parties. Note action items requiring resolution prior to start of roof work.

Delivery, Storage, and Handling

2.5.1. Delivery

Deliver materials in their original, unopened containers or wrappings with labels intact and legible. Where materials are covered by a referenced specification number, the labels must bear the specification number, type, class, and shelf life expiration date where applicable.

Deliver materials in sufficient quantity to allow continuity of work.

2.5.2. Storage

Store and protect materials from damage and weather in accordance with manufacturer's printed instructions, except as specified otherwise. Keep materials clean and dry. Store and maintain adhesives, sealants, primers and other liquid materials in accordance with manufacturers’ recommendations. Utilize insulated hot boxes or other enclosed warming devices in cold weather. Mark and remove damaged materials from the site. Use pallets to support and canvas tarps to completely cover materials stored outdoors. Do not use polyethylene as a covering. Storage of materials on the roof shall not be permitted. Locate materials temporarily in approved areas. Remove unused materials from the roof at the end of each day’s work.

2.5.3. Handling

Prevent damage to roof and property. Do not install damaged materials in the work. Select and operate material handling equipment so as not to damage materials or applied roofing.

Do not use materials contaminated by exposure or moisture. Remove contaminated materials from the site. When hazardous materials are involved, adhere to the special precautions of the manufacturer. Adhesives may contain petroleum distillates and may be extremely flammable; prevent personnel from breathing vapors, and do not use near sparks or open flame.

Environmental Requirements The temperature of the roofing materials shall be as required by the manufacturer. Do not install Liquid EPDM during high winds or inclement weather, or when there is ice, frost, moisture, or visible dampness on the substrate surface, or when condensation develops on surfaces during application.

Unless recommended by the Liquid EPDM manufacturer and approved by the Contracting

15 | P a g e

Officer, do not install Liquid EPDM when air temperature is below 40 degrees F or within 5 degrees F of the dew point. Follow manufacturer's printed instructions for installation during cold weather conditions.

Wind conditions shall be suitable for installation: Wind chill may affect the proper application temperatures of materials; materials may be blown about, creating safety dangers;

wrappers, coverings, and other debris may become airborne.

Sequencing Coordinate the work with other trades to ensure that components which are to be secured to the roofing system are available. Ensure temporary protection measures are in place to preclude moisture intrusion or damage to installed materials.

Warranty Submit sample certificates for approval.

Provide roof system material and workmanship warranties meeting specified requirements.

Provide revision or amendment to standard Liquid EPDM manufacturer warranty as required to comply with the specified requirements. Provide a manufacturer's warranty that has no dollar limit, covers full system water-tightness, and has a minimum duration of 20 years.

2.8.1. Roofing System Installer Warranty

The roof system installer must warrant for a period of two years the roof system, as installed, is free from defects in installation workmanship, to include the roof Liquid EPDM, accessories, attachments, and sheet metal installation integral to a complete watertight roof system assembly. Write the warranty directly to the Government. The roof system installer is responsible for correction of defective workmanship and replacement of damaged or affected materials. The roof system installer is responsible for all costs associated with the repair or replacement work. The contractor shall provide a warranty walk-thru with Project personnel at nine months and another prior to the two-year period.

2.8.2. Liquid EPDM Manufacturer Warranty

Furnish Liquid EPDM manufacturer's 20-year, no dollar limit, full roof system materials, and installation workmanship warranty, including all accessory materials necessary to construct a complete, watertight roof system. Provide warranty directly to the Government and commence warranty effective date at the time of Government's acceptance of the roof work.

The warranty shall state that:

If within the warranty period the roof system, as installed for its intended use in the normal climatic and environmental conditions of the facility, becomes non- watertight, shows evidence of moisture intrusion within the assembly, splits, tears, cracks, delaminates, separates at the seams, or shows evidence of excessive weathering due to defective materials or installation workmanship, the repair or replacement of the defective and damaged materials of the roof system assembly and correction of defective workmanship shall be the responsibility of the Liquid EPDM manufacturer. All costs associated with the repair or replacement work shall be the responsibility of the Liquid EPDM manufacturer.

When the manufacturer and his approved applicator fail to perform the repairs within 72 hours of notification, emergency temporary repairs performed by others shall not void the warranty.

16 | P a g e

2.8.3. Continuance of Warranty

Approve repair or replacement work that becomes necessary within the warranty period and accomplish in a manner so as to restore the integrity of the roof system assembly and validity of the Liquid EPDM manufacturer warranty for the remainder of the manufacturer warranty period.

Operations and Maintenance manual/data.

Provide information and instructions on routine care and maintenance requirements.

Conformance and Compatibility Provide the entire roofing in accordance with specified and indicated requirements, including fire and wind resistance requirements. Work not specifically addressed and any deviation from specified requirements must be in general accordance with recommendations of the NRCA RoofMan, Liquid EPDM manufacturer published recommendations and details, ASTM D6369, and compatible with surrounding components and construction. Submit any deviation from specified or indicated requirements to the Contracting Officer for approval prior to installation.

3. Products

Materials Coordinate with other specification sections related to the roof work. Furnish a combination of specified materials that comprise a roof system acceptable to the liquid EPDM roof coating manufacturer and meeting specified requirements. Protect materials provided from defects and make suitable for the service and climatic conditions of the installation.

3.1.1. Liquid EPDM

Liquid Ethylene Propylene Diene Terpolymer (EPDM), ASTM D4637/D4637M. Principal polymer used in manufacture of the Liquid EPDM must be greater than 95 percent EPDM.

Provide a fully adhered rubber roof system. Liquid EPDM may be rolled or sprayed on. A catalyst may be necessary for curing. A primer, ProFlex primer or similar, compatible with the Liquid EPDM, must be used prior to the application of the Liquid EPDM. Sheet metal patches shall be painted 14 gauge carbon steel.

3.1.2. Energy Performance

Install a roof system that meets an overall performance as specified on the drawings. The Contractor shall use white Liquid EPDM to reduce the heating effects of the sun and reduce heat within the building and to protect the surrounding environment from excessive heat.

3.1.3. Wood Products

Do not allow fire retardant treated materials be in contact with Liquid EPDM or EPDM accessory products, unless approved by the manufacturer and the Contracting Officer.

Execution

3.2.1. Preparation

Remove all loose coating and prepare to a clean substrate. Clean all surfaces to be dry and free of dust, dirt, oil, loose materials, peeling paint etc. Remove rust with wire brush, sandblast, or mechanically abrade until substrate is smooth and rust free. Rusty metal must

17 | P a g e be cleaned and primed with a rust converting primer. Surfaces with mildew or biological growth should be cleaned with an agent designed to remove and retard mildew growth.

Thoroughly rinse areas per manufacturer’s recommendation and allow to dry completely.

Other areas shall be swept clean to remove loose dirt and dust. Previously coated surfaces must be completely dry and cured.

3.2.2. Fall Protection System

The existing cable hand-rail is not certified as a Fall Protection System. It should not be used as anchoring or tie-off points. Fixing the Fall Protection is not a part of this contract

3.2.3. Primers and Sealers

If needed, primers shall be compatible with coating materials and existing substrates.

Primers shall be applied in area(s) deemed necessary to fulfill adhesion requirements identified in the manufacturer’s specification. Primer shall be applied to needed areas in accordance with manufacturer’s specification and sufficient quantity to ensure proper adhesion of the final coating. All seams shall be filled, to a smooth finish, with a compatible sealer or caulking to ensure a uniform and watertight seal.

3.2.4. Coating

All coatings must be rated for exterior use and be compatible with the existing substrate and primers. There shall be no thinning of the product to aid in application or extend coverage of material.

3.2.5. Application

Application shall only be done in the time available so that all applied material has sufficient time to dry to the touch (tack free time) before any rain or ambient moisture contacts the surface. Application should be completed when air and material temperatures are between 40 °F and 120 °F. Application shall be in accordance with manufacturer’s specification, by roller, brush, or spray. A uniform coat shall be applied over entire surface, avoiding excessive rolling, and/or brushing. Coverage should be at a rate of 1.5 - 4 gallons per square (100 square feet) in a one coat application. Application at penetrations should be done as to not leave any voids or bubbles. Spray application of coating shall follow manufacturer’s specification and be applied in sufficient thickness and quantity to meet the material specifications.

3.2.6. Storage and Disposal

All materials used for cleaning, priming, and coating the roof shall be stored in accordance with the manufacturer’s specification. All debris generated, empty or used containers, application tools, etc. shall be disposed of by the contractor in accordance with manufacturer’s recommendation and applicable standards.

3.2.7. Protection of Equipment

Necessary measures shall be taken as needed to prevent dust, dirt, debris, cleaners, primers, and coating from falling in or on any exposed machinery or machinery controls.

3.2.8. Protection of Aluminum

Aluminum surfaces shall not directly contact other metals except stainless steel, zinc, or zinc coating. Where aluminum contacts another metal, paint the dissimilar metal with a primer

18 | P a g e followed by two coats of aluminum paint. Where drainage from a dissimilar metal passes over aluminum, paint the dissimilar metal with a non-lead-pigmented paint.

3.2.9. Protection of Applied Roofing

At the end of the day's work and when precipitation is imminent, protect applied roofing system from water intrusion.

Correction of Deficiencies Where any form of deficiency is found, take additional measures as deemed necessary by the Contracting Officer to determine the extent of the deficiency and perform corrective actions as directed by the Contracting Officer.

Clean Up Remove debris, scraps, containers and other rubbish and trash resulting from installation of the roofing system from job site each day.

Field Quality Control

3.5.1. Construction Monitoring

During progress of the roof work, Contractor must make visual inspections as necessary to ensure compliance with specified parameters. Additionally, verify the following:

o Equipment is in working order. Metering devices are accurate.

o Materials are not installed in adverse weather conditions.

o Substrates are in acceptable condition, in compliance with specification, prior to application of subsequent materials.

o All materials are properly stored, handled, and protected from moisture or other damages.

o Liquid components are properly mixed prior to application.

o Installer adheres to specified and detailed application parameters.

o Temporary protection measures are in place at the end of each work shift.

Information Sheet For each roof, furnish a typewritten Information Sheet for facility records. Sheet must be 8.5” X 11” and laminated. The Information Sheet shall identify facility name and number; location;

contract number; approximate roof area; detailed roof system description, including coating types, method of application, manufacturer, and thickness, date of completion; installing contractor identification and contact information; warranty expiration, warranty reference number, and contact information. Provide a paper copies to the Contracting Officer and to OPS POC (POCs section 1.10).

4. Measurement and Payment Per Bid Schedule-Maxwell Roof coating. Payment shall include all costs of labor, materials, supplies, equipment, supervision, cleanup, and other costs of completing the work as specified to remove and dispose of the flaking roofing materials, and spray on a new roof coating. All materials provided in the performance of this contract shall be new and meet the requirements of the specifications.

19 | P a g e

The following is the payment breakdown:

1. Payment Item 0001 – PERFORMANCE AND PAYMENT BOND

2. Payment Item 0002 – S PRAY LIQUID EPDM ON MAXWELL LOCKS AND DAM

MACHINERY HOUSE ROOFS #5 AND #6

3. Payment Item 1001 (Option 1) – PERFORMANCE AND PAYMENT BOND FOR OPTION

4. Payment Item 1002 (Option 1) – SPRAY LIQUID EPDM ON MAXWELL LOCKS AND

DAM MACHINERY HOUSE ROOFS #3 AND #4

5. Payment Item 2001 (Option 2) – PERFORMANCE AND PAYMENT BOND FOR OPTION

6. Payment Item 2002 (Option 2) – SPRAY LIQUID EPDM ON MAXWELL LOCKS AND

DAM MACHINERY HOUSE ROOF #2

7. Payment Item 3001 (Option 3) – PERFORMANCE AND PAYMENT BOND FOR OPTION

8. Payment Item 3002 (Option 3) – SPRAY LIQUID EPDM ON MAXWELL LOCKS AND

DAM MACHINERY HOUSE ROOF #1

SPECIFICATIONS

3.6. Information Sheet