StatementofWork.pdf

STATEMENT OF WORK

ROOF REPLACEMENT

Metropolitan Correctional Center (MCC) New York

PART 1- GENERAL

1.1 SUMMARY

The purpose of the work is to replace portions of the roof of the Metropolitan Correctional Center (MCC) located at 150 Park Row in New York City. The MCC is a federal detention center currently operated by the Federal Bureau of Prisons (FBOP). It is currently occupied by inmates.

1.2 AREA OF WORK

The area of work is on six 12 floor tier roofs, one elevator penthouse roof, and on fourth

4 floor lower roof locations. Lower roof areas are accessible from the roof of theth adjacent MTA Building or from street level on Park Row or Cardinal Hayes Place. Tier roofs and the elevator penthouse roof are accessible from the roof recreation area. Access to this area is through the secure perimeter of the institution. All contractor’s personnel will require security background clearance for this project. The roof recreation area and its surrounding parapet walls are not included in the scope of the contract.

1.3 DESCRIPTION OF WORK:

A The contractor shall provide all labor and materials to remove and dispose of existing mechanically fastened membrane roof and insulation at eleven locations shown on the attached MCC New York Roof Plan.

B Contractor will provide a new single ply membrane roof system with insulation sloped to roof drains at all locations . The areas to be addressed are as follows

1. Tier Roof 1 - approximately 1200 sf (see attached as-built Tier Roof Plan 1 and typical photos 1-4)

2. Tier Roof 2 - approximately 1200 sf (see attached as-built Tier Roof Plan 2 and typical photos 1-4)

3. Tier Roof 3 - approximately 1200 sf (see attached as-built Tier Roof Plan 3 and typical photos 1-4)

4. Tier Roof 4 - approximately 1200 sf (see attached as-built Tier Roof Plan 4 and typical photos 1-4)

5. Tier Roof 5 - approximately 1200 sf (see attached as-built Tier Roof Plan 5 and typical photos 1-4)

6. Tier Roof 6 - approximately 1200 sf (see attached as-built Tier Roof Plan 6 and typical photos 1-4)

7. Elevator Penthouse Roof 7 - approximately 1180 sf (see attached as-built Elevator Roof Plan 7 and photo 8)

8. 4 Floor Lower Roof 8 - approximately 500 sf (see attached as-builtth

Lower Roof Plan 8 and photos 5 & 6)

9. 4 Floor Lower Roof 9 - approximately 750 sf (see attached as-builtth

Lower Roof Plan 9 and photos 5 & 6)

10. 4 Floor Lower Roof 10 - approximately 1350 sf (see attached as-builtth

Lower Roof Plan 10 and photos 5 & 6)

11. 4 Floor Lower Roof 11- approximately 1250 sf (see attached as-builtth

Lower Roof Plan 11)

C. Provide a flat roof system and base flashing that are watertight and will not permit the passage of water. The flat roof system will withstand wind loads and uplift pressures, thermally induced movement, expected structural movement, and exposure to weather without failure.

D. Minimum allowable roof slope is 1:48 (1/4" per 1') or as required by applicable building codes. Slope insulation to roof drains and scuppers.

E. Miscellaneous wood nailers, cants, and blocking used in the roof system construction shall be pressure-treated lumber.

F. The use of dissimilar metals in contact with one another in flashing, fasteners, connectors, and roofing accessories used in the roof system and adjacent construction that will result in galvanic corrosion is prohibited.

G. Only mechanically fastened or fully adhered roofing systems shall be used.

Ballasted roofing systems are prohibited.

H. Fire resistance for the roof system shall be in accordance with ASTM E 108-UL 790 and ASTM E 119-UL263.

I. Wind uplift resistance for the roof system shall be in accordance with applicable Factory Mutual (FM) Fire / Windstorm Classifications.

J. Metal-edged coping and flashing systems shall meet and pass ANSI / SPRI ES-1 testing.

K. Single-ply roofing system design and standard details shall be in accordance with the National Roofing Contractor’s Association (NRCA) “Roofing and Waterproofing Manual” latest edition. See www.NRCA.net for availability.

L. Work shall include flashing on all parapets (See attached as-built Sections) and flashing and roof areas above the bay window extensions on all six tiers. (See attached Section B)

M. Access to the 4 floor lower roof sections adjacent to the former MTA Buildingth will require the removal of multiple rows of razor ribbon. ( See attached photos 4-

6) The contractor shall reinstall the razor ribbon after the installation of the new http://www.NRCA.net).

roof.

N. Contractor will clean, repair and prepare existing roof drains and scuppers for new work.

O. The contractor will repair or replace approximately 180 lf of concrete coping stone on the parapet walls adjacent to new roof areas. The contractor shall install approximately 950 lf of new metal cap flashing over the existing or replaced concrete coping on all lengths of parapet wall included in the scope of the contract.

P. The contractor shall provide all flashing, cant forms, sealants and other materials and labor necessary to provide a complete roof system with a 15 year warranty.

The work will include re-flashing of elevated curbs, HVAC roof mounted units, roof drains, vent boots & all other roof penetrations.

Q. The contractor shall extend roof membrane up and over the top of parapet wall.

The total approximate area of parapet wall to be covered is 6000 sf.

R. The contractor shall provide approximately 1700 sf of slip resistant EPDM roof walkway pad for access to mechanical equipment. Walkway pads shall be 3/8 inch thick minimum. The contractor shall provide approximately 2000 sf of concrete roof pavers at locations where razor ribbon will be reinstalled so that the new roof membrane is adequately protected.

S. The installer shall have a minimum of three years of experience in installing EPDM membrane roofing systems and shall be certified by the manufacturer in the installation of the membrane system.

1. 4 SECURITY BACKGROUND INVESTIGATION:

A. Due to the secure nature of the facility contractor’s personnel will be required to pass a security background investigation prior to entering or working at the institution.

B. The following forms will be provided and completed by the contractor for all personnel working on the project. This information will be used for Bureau of Prison purposes only to determine if workers are suitable to work within a correctional environment.

1. Contractor Pre-Employment Questionaire

2. BP-S660.012 NCIC Check Form

3. BP-S158.030 Contractor Pre Employment Screening Form

1. 5. HOURS OF WORK:

A. Working hours for this project will be from 7:30 AM until 4:00 PM, Monday through Friday, excluding Federal Holidays. Some delays should be anticipated as a result of security restrictions associated with working in a correctional environment.

1. 6. STORAGE AND UTILITIES:

A. The Federal Bureau of Prisons will provide storage once items arrive on site of the materials and hand tools determined non hazardous by the Chief Correctional Supervisor.

B. Utilities required to complete the work will be provided by the Bureau of Prisons.

1. 7 TOOLS:

A. The contractor will be expected to provide all tools and equipment required to complete the work. Non hazardous tools can be stored within a locked job box in the central tool room overnight if necessary.

1. 8 TRAINING FOR CONTRACTORS PERSONNEL:

A. The contractor shall provide all personnel working on the project the training and safety instruction necessary to perform the work required. The contractor’s personnel shall participate in a one-hour correctional facility orientation provided by the institution’s Chief Correctional Supervisor.

1.9 SAFETY AND MATERIAL DISPOSAL

A. All Federal, State and local construction, safety and labor laws are to be strictly followed. The removal and disposal of all waste generated by the project is the responsibility of the contractor. Waste disposal manifests must be available for review after disposal of any materials deemed hazardous, or having a impact on the environment. A Material Safety Date Sheet (MSDS) for all chemicals must be provided to the facility’s Safety Department before the work begins. All required documentation is to be kept on the work site during a normal work day.

1. 10 QUALITY ASSURANCE

A. A pre-construction meeting shall be held at the jobsite before the installation of the roofing system begins.

1. The meeting shall include the FBOP Contracting Officer and Contract Monitor, a representative from the roof system manufacturer, and the roof system installer.

2. Review the roofing schedule, verify work-times and work accessibility, verify material availability and staging on the job.

3. Discuss tool control and security requirements and institution procedures related to the performance of the work.

4. Assure the accuracy and completeness of the submittals..

5. Discuss methods and procedures of the roofing installation including the manufacturer’s written instructions.

6. Review flashing, special roof details, drainage, roof penetrations, equipment curbs and any other conditions impacting roof construction.

7. Quantify loading conditions during and after roof construction.

8. Discuss methods of temporary protection during and after roof construction.

9. Perform an examination of the existing roof conditions for compliance with manufacturer’s recommendations, flatness, and fastening requirements.

10. Discuss general roofing inspection procedures.

11. Discuss procedures for testing and leak repairs.

12. Review the Total Roofing System Warranty and certificates.

13. Document the meeting and distribute copies of the minutes to the all persons attending the meeting.

B. The FBOP shall schedule monthly construction progress meetings with the contractor. The FBOP shall develop an agenda and preside over the meeting. The job superintendent, major subcontractors, suppliers and government representatives shall be present at the meetings. The Contract Monitor shall record minutes and distribute to the contractor, Contracting Officer, and other meeting attendees 3 days following the meeting. The agenda for the meeting will include:

1. Minutes from the previous meeting

2. Progress of work

3. Field observations, problems and resolution

4. Submittal and submittal review status

5. Maintenance of progress schedule

6. Mitigation of schedule problems

7. Project coordination

8. Quality control

9. Effect of proposed changes on schedule and coordination.

C. The contractor shall maintain a construction progress schedule. Submit initial schedule within 20 days after Notice to Proceed. Resubmit revised schedule 10 days after review by the government. If necessary submit revised schedules with each payment application. Distribute copies of the schedule to subcontractors and all concerned parties so that they can identify potential problems. The schedule shall:

1. Show a complete sequence of construction by activity identifying work by of separated stages and other logically grouped activities.

2. Indicate early and late start, early and late finish, float dates and durations.

3. Indicate percentage of completion for each item of work at each submission.

4. Include dates for submittals and review and processing by the government.

5. Include a narrative report to define problem areas, delays, and impact on schedule. Report corrective action taken or proposed and their effects on subcontractors’ schedules.

D. Products shall be carefully delivered, handled, and stored by the contractor in accordance with manufacturer’s instructions. Store products with seals and labels intact and legible. Sensitive products shall be stored in weather tight containers.

Cover products subject to deterioration with impervious sheet covering. Provide ventilation to prevent condensation and degradation. Products and will be inspected by the contractor with the Contract Monitor present. Damaged products shall be replaced by the contractor.

1. 11 SUBMITTALS

A. Procedures:

1. Transmit submittals to the Contracting Officer with AIA Form G810.

Sequentially number the forms and mark revisions with original number and alphabetic suffix.

2. Apply contractor’s stamp certifying that information is in accordance with the project requirements.

3. Schedule submittals to expedite the project. Allow 15 days for submittal review by the government.

4. Revise and resubmit submittals that have been previously been rejected.

B. Product Data - Submit 3 copies of product data for the following:

1. EPDM roofing membrane

2. EPDM flashing

3. roof insulation

4. metal parapet cap

5. adhesive

6. sealant

7. MSDS information for products regulated by OSHA

8. Concrete Roof Pavers

C. Samples - Submit one sample of each of the following:

1. one foot square of EPDM roof membrane

2. one foot square of EPDM flashing

3. sample of metal parapet cap

D. Certifications and warranty - Submit the following

1. Installer’s certificate signed by roofing manufacturer certifying the authorized installer.

2. Manufacturer’s certificate signed by roofing manufacturer certifying that the roofing system complies with performance requirements in this section.

3. Inspection certification for the completed roofing system installation signed by an authorized manufacturer’s factory representative 14 calendar days prior to Project Substantial Completion, who is employed directly with the roofing manufacturer (not an independent consultant or agent), stating that the Total Roof System Warranty is valid for the roof at Project Substantial Completion.

1. 12 WARRANTY

A. Flat Roof Systems shall have a minimum 15 year Total-System Warranty from the Substantial Completion date. The warranty shall provide the FBOP with a single entity to resolve roofing leaks that are traceable to the roofing membrane and other roofing components in the warranty, including flashing and coping.

B. Provide a warranty as shown in Attachment at the end of this section.

C. Furnish twenty (20) year warranty on sheet metal finish.

PART 2 - PRODUCTS

2.1 MATERIALS

A. Single-Ply Sheet Membrane Roofing Systems:

1. EPDM (ethylene-propylene-diene-monomer) Single-Ply Membrane Roofing and Flashing according to the following:

a. Uniform, flexible EPDM sheets complying with ASTM D 4637, Type II. Select appropriate grade and class. Minimum membrane thickness shall be 60 mils reinforced sheet.

b. Membrane color shall be manufacturer’s standard.

c. Adhered, or mechanically fastened.

d. Provide other roofing components such as substrate board, cover board, adhesives, fasteners, roof insulation, air and vapor retarders, in accordance with individual ASTM component standards and manufacturer’s recommendations. Insulation shall have a minimum thermal resistance value of R14 and a minimum compression resistance of 16 lbs per square inch.

e. Cover board systems, on top of roof insulation, that comply with manufacturer’s recommendations are required. EPDM Roof Systems without cover boards will not be accepted.

f. Provide an integral system including terminations, perimeter and base flashing.

g. Provide for building movement including expansion joints as required.

h. Design for wind uplift resistance in accordance the requirements of this section and with the Single-Ply Roofing Institute (SPRI) Flexible Membrane Roofing: “Professional’s Guide to Specifications for adhered, mechanically fastened or ballasted single-ply systems.”

B. Sheet Metal Parapet Cap:

1. Clad steel, minimum 0.6 mm 24 GA galvanized Z275 G90.

Smooth finish

2. ASTM-A653/A653M.

3. Coated on each face with 0.025 mm 1 mil fluorocarbon coating, 70 percent

Kynar/Hylar.

C. Fasteners: Non-ferrous fasteners of same material as sheet metal which will not rust, corrode or react.

D. Dissimilar metal and cementitious materials protection:

1. Alkali resistant bituminous paint.

2. Tnemec Tneme Tar 46-413.

E. Reglets:

1. Use non-ferrous type compatible with sheet metal.

a. Use 0.5 mm (0.02") eraydo zinc with aluminum.

b. Use 0.6 mm 24 GA galvanized with galvanized iron.

2. Provide interior and exterior preformed corners as required.

3. Fabricate as required to fit special conditions.

PART 3 - EXECUTION

3.1 DEMOLITION, CUTTING AND PATCHING

A. Employee skilled and experienced installer to perform cutting and patching.

B. Execute work by methods to avoid damage to other work and to provide a proper surfaces for installation of new work.

C. Cut masonry and concrete materials using a masonry saw or core drill.

D. Fit work tight to pipes, sleeves and other penetrations.

E. Maintain integrity of parapet walls and deck. Completely seal voids.

F. Refinish surfaces to match adjacent finishes. For continuous surfaces, refinish to nearest intersection.

G. Contractor shall not remove in one day what cannot be restored in the same day.

3.2 INSTALLATION

A. EPDM Roofing System and Insulation

1. Install roofing system and other materials in accordance with manufacturer’s recommendations.

2. Care shall be taken to protect the roof and other materials from moisture at all times.

3. Inspect roof deck prior to installation of insulation and roof membrane.

Clean and prepare existing concrete deck for installation.

4. Damaged products shall not be used.

5. Parapet wall membrane shall be provide up parapet walls and over existing concrete coping or blocking. Parapet membrane shall be fully adhered to the parapet wall to provide a water tight seal.

6. Install insulation to minimize gaps. Insulation shall sloped to roof drains and scuppers.

B. Sheet metal parapet caps shall be securely installed using corrosion resistant fasteners. Sealant shall be applied to overlap seams to prevent water penetration.

3.3 FIELD QUALITY CONTROL

A. Flood testing: Flood test each roof area for leaks according to recommendations in ASTM C 5957 after completing waterproofing but before overlaying construction is in place.

a. Flood test to an average depth of 65mm (2 ½”) with a minimum depth of 25mm (1") and not exceeding 100mm (4").

b. Flood test each area for 48 hours.

c. After testing, repair leaks and repeat flood testing. Make repairs and repeat testing until area is watertight.

d. Test critical sheet flashing by localized water testing. Make repairs and retest until flashing is watertight.

PART 4 - ADD ALTERNATE 1

4.1 SCOPE OF WORK FOR ADD ALTERNATE 1

A. The contractor shall provide a separately priced add alternate to replace the roof on the former MTA Building, located adjacent to the Metropolitan Correctional Center. The scope of work for Add Alternate 1 is shown on the attached Former MTA Building (Roof Plan). See Photos 9 and 10 for existing conditions.

B. All work for Add Alternate 1 shall conform to Parts 1, 2, and 3 of this statement of work.

ROOFING INSTALLER’S WARRANTY

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

Owner: Address:

Building Name/Type: Address:

Area of Work: Acceptance Date:

Warranty Period: Expiration Date:

AND WHEREAS Roofing Installer has contracted (either directly with the Owner or indirectly as a subcontractor) to warrant said work against leaks and faulty or defective materials and workmanship for designated Warranty Period, NOW THEREFORE Roofing Installer hereby warrants, subject to terms and conditions 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.

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; b) peak gust wind speed exceeding (#) mph (m/sec); c) fire; d) failure of roofing system substrate, including cracking, settlement, excessive deflection, deterioration, and decomposition; e) faulty construction of parapet walls, copings, chimneys, skylights, vents, equipment supports, and other edge conditions and penetrations of the work; f) vapor condensation on bottom of roofing; and g) activity on roofing by others, including construction contractors, maintenance personnel, other persons, and animals, whether authorized or unauthorized by Owner.

2. When work has been damaged by any of foregoing causes, Warranty shall be null and void until such damage has been repaired by Roofing Installer and until cost and expense thereof have been paid by Owner or by another responsible party so designated.

3. Roofing Installer is responsible for damage to work covered by this Warranty but is not liable for consequential damages to building or building contents resulting from leaks or faults or defects of work.

4. During Warranty Period, if Owner allows alteration of work by anyone other than Roofing Installer, including cutting, patching, and maintenance in connection with penetrations, attachments of other work, and positioning of anything on roof, this Warranty shall become null and void on date of said alterations, but only to the extent said alterations affect work covered by this Warranty. If Owners engages Roofing Installer to perform said alterations, Warranty shall not become null and void unless Roofing Installer, before starting said work, shall have notified Owner in writing, showing reasonable cause for claim, that said alterations would likely damage or deteriorate work, thereby reasonably justifying a limitation or termination of this Warranty.

5. During Warranty Period, if original use of roof is changed and it becomes used for, but was not originally specified for, a promenade, work deck, spray-cooled surface, flooded basin, or other use or service more severe than originally specified, this Warranty shall become null and void on the date of said change, but only to the extent said change affects work covered by this Warranty.

6. Owner shall promptly notify Roofing Installer of observed, known, or suspected leaks, defects, or deterioration and shall afford reasonable opportunity for Roofing Installer to inspect work and to examine evidence of such leaks, defects, or deterioration.

7. This Warranty is recognized to be the only warranty of Roofing Installer on said work and shall not operate to restrict or cut off Owner from other remedies and resources lawfully available to Owner in cases of roofing failure. Specifically, this Warranty shall operate to relieve Roofing Installer of responsibility for performance of original work according to requirements of the Contract Documents, regardless of whether Contract was a contract directly with Owner or a subcontract with Owner’s General Contractor.

IN WITNESS THEREOF, this instrument has been duly executed this day of , 20 .

Authorized Signature:

Name:

Title: