19N10220R0001 - SOW.pdf

UNITED STATES DEPARTMENT OF STATE

ULT & SCAC ROOF REPLACEMENT

ABUJA, NIGERIA

12.01.2019 TABLE OF CONTENTS 1

U.S. DEPARTMENT OF STATE

OBO FACILITIES MANAGEMENT DIVISION

STATEMENT OF WORK

Abuja, Nigeria

UTILITY BUILDING No. 1 and SERVICE COMPOUND ACCESS CONTROL BUILDINGS ROOF REPLACEMENT

December 1 2019

OBO/CFSM/FAC Roof & Façade Management Program and then some….

12.01.2019 TABLE OF CONTENTS 2

SPECIFCATIONS

SECTION 00003 – TABLE OF CONTENTS

Division 1 01010 – Summary of Work 01535 – Roof Construction Safety 01700 – Project Close-out

Division 2 02072 – Removals

Division 3 Not Used

Division 4 – 6 Not used

Division 7 07525 – Protected Membrane Roofing – APP Modified Bitumen 07600 – Sheet Metal and Liquid Flashings

Division 8 Not used

Division 9 09910 – Elastomeric Roof Coating

Division 10 – 12 Not used

Division 13 13651 - Photovoltaic Removal and Reinstallation

Division 14 - 16 Not Used

Division 17 170000 – Temporary Electromechancial Disconnects

END OF TOC

12.01.19 SUMMARY OF WORK 01010 - 1

SECTION 01010 - SUMMARY OF WORK

PART ONE - GENERAL

1.01 SUMMARY:

A. The U.S. American Embassy in Abuja, Nigeria has a requirement to obtain Construction Services for replacing the roofs on Utility Building No. 1 (ULT 1) and abutting Service Compound Access Control Building (SCAC) roof on the Embassy Compound. The existing roof consists of modified bitumen membrane over sloped concrete topping slab and concrete deck The proposed roof replacement shall consist of but is not limited to the following;

1. UTL 1: 10,272sf- Roof Areas A,B,C - Protected Membrane Roof (PMR), without insulation

a. Removal and disposal of existing modified bitumen membrane roofing to the sloped concrete topping slab.

b. Modification/Removal of existing equipment curbs and parapet as necessary.

c. Installation of two-ply modified bitumen roof membrane

d. Installation of two-ply modified bitumen membrane base flashing

e. Installation of new sheet metal flashings at penetrations, roof drains, curbs, overflow scuppers, walls, and perimeters.

f. Installation drainage course with filter fabric and concrete pavers.

g. Elastomeric coating of inside existing concrete parapet walls from top of counterflashing to underside of metal coping.

h. Removal, storage and re-installation of existing PV panels.

i. Removal, storage and re-installation of existing Lightning Protection conductor per code. Recertification is not required.

2. SCAC: 6,000sf –Roof Area D - Canopy Roof Coating - Refer to Unit Price No. 1

1.02 SUBMITTALS:

A. Contractor's executed payment and performance bonds.

B. Contractor's executed insurance certificate.

C. Submit list of all mechanical, electrical, rigging, sheet metal, and all other subcontractors with evidence of insurance coverage in compliance with contract requirements.

D. Detailed project schedule showing work phasing and proposed daily progress.

E. Applicator's License Certificate: Roofing material manufacturer's agreement indicating date application was approved and expiration date.

F. Drawings of all specific waterproofing details.

G. Construction Accident Prevention Plan (CAPP) H. Material manufacturer's product data sheets and Material Safety Data Sheets (MSDS) written approval/acceptance of specified tests for project, fastener pattern layout, details, insulation, and all related materials based upon existing site conditions.

I. Manufacturer’s warranties that are to be issued upon project completion.

12.01.19 SUMMARY OF WORK 01010 - 2

1.03 SUBSTITUTIONS AND PRODUCT OPTIONS:

A. Contractor's Representation: Request for substitution constitutes a representation that

Contractor:

1. Has investigated proposed product and determined that it is equal to or superior in all respects to that specified.

2. Shall provide same warranties for substitution as for product specified.

3. Shall coordinate installation of accepted substitution into Work and make such other changes as may be required for Work to be complete in all respects.

4. Waives all claims for additional costs, under his responsibility, related to substitution which subsequently becomes apparent.

5. If substitution is not approved or accepted, Contractor shall furnish specified product.

1.04 QUALITY CONTROL:

A. OBO has the right to inspect and test all services, to the extent practicable at all times and places during the work. OBO may perform full time quality assurance inspections [QAI] and tests during construction to confirm the work is installed according to the Contract.

B. Maintain quality control over suppliers, manufacturers, products, services, site conditions, and workmanship to produce work of specified quality.

C. Contractor shall be approved by manufacturer to perform the work for the specified guarantee period.

D. The Contractor shall be responsible for the following construction inspections and tests:

1. Membrane Flashing Seam Adhesion Test

2. Insulation Compression Test

3. Concrete Paver Strength Test

4. Roof Area Flood Test

5. Manufacturer’s Warranty Inspection

1.05 STORAGE OF MATERIALS:

A. Proper storage of materials is the sole responsibility of Contractor. Protect all materials susceptible to moisture including, but not limited to, all roll goods, insulation, wood, and plywood in dry, above ground, watertight storage. Keep all labels intact and legible, clearly showing the product, manufacturer, and other pertinent information.

B. Store materials on site. Cover and protect materials subject to damage by weather, including during transit. Stored materials shall be available for inspection.

C. Store flammable and volatile liquids in sealed containers located a minimum of 20 feet from existing buildings.

D. Liquid products shall be delivered sealed, in original containers. Store roll goods in an upright position.

E. Distribute material, debris, and equipment over the roof deck to avoid damage to the structural deck. Place materials and equipment to be stored on the roof as nearly direct over structural members as can be determined. Secure equipment, material, and debris on the roof to prevent movement by wind or other elements.

12.01.19 SUMMARY OF WORK 01010 - 3

1.06 TEMPORARY FACILITIES:

A. Temporary Water:

1. Make arrangements with Owner for water required for construction. Owner will pay for cost of water.

2. Do not disrupt existing water service to the building.

3. Provide hoses for conveyance.

B. Temporary Electrical

1. Make arrangements with Owner for temporary electrical service. Owner will pay energy charges for temporary power and lighting.

2. Notify Owner a minimum of two days prior to each required interruption of mechanical or electrical services in building. These interruptions shall be only at such times and for lengths of time as approved by Owner. In no event shall interruption occur without prior approval of Owner.

3. Provide all necessary temporary wiring (in conduit if requested by Owner), extensions, and temporary lighting devices.

C. Temporary Ladders, Chutes, Scaffolds, Hoists and Cranes:

1. Furnish and maintain temporary ramps, scaffolds, hoists, or chutes as required for proper execution of Work.

2. Provide overhead protection at all building entrances.

3. Restrict debris removal to Owner-approved area of building site.

4. Restrict location of construction cranes to areas as approved by Owner.

5. Such apparatus, equipment, and construction shall meet requirements of applicable federal, state, and local safety and labor laws.

1.07 PROJECT PROCEDURES:

A. Owner will occupy premises during entire period of construction for the conduct of normal, daily operations. Cooperate with Owner's Representative in all construction operations to minimize conflict and to facilitate Owner usage.

B. Contractor shall conduct his operations so as to ensure least inconvenience to Owner's operations.

C. Contractor shall take precautions to avoid excessive noise or vibration that would disturb Owner's operations. When directed by Owner, Contractor shall perform certain operations at designated time of day or night in order to minimize disturbance to Owner's operations.

D. Contractor shall take all necessary precautions to assure a watertight condition in the operation portion of the building during construction.

PART TWO - PRODUCTS

Not Used.

12.01.19 SUMMARY OF WORK 01010 - 4

PART THREE – EXECUTION

3.0.1 PERIOD OF PERFORMANCE:

A. Solicitation & Award of Contract:

1. Pre-Proposal Site Visit 30 days prior to Award

2. Award Zero Day

B. Pre-Construction Submittals:

1. Insurance & Bonding: 14 days after Award

2. Crew Information: 10 days

3. OBO & Embassy Review: 21 days

4. Schedule & Product Data: 30 days

5. OBO & Embassy Approval: 20 days

C. Material Procurement:

1. Material Order 30 days

D. Mobilization & Construction:

1. Roof Replacement 45 days on-site

2. Unit Price 1 – SCAC Canopy (add 15 days if Unit Price is accepted)

3. Final Cleanup Begins: 5 days prior to completion

E. TOTAL PERIOD of PERFORMACE: 170 days F. Winter/Rainy Season: March - May

3.02 PROPOSAL SCHEDULE:

A. Proposals shall be evaluated based on total fixed cost and shall include materials, labor, project start-up expenses and worker incidentals, overhead, profit, taxes, and DBA Insurance as a complete project.

1. Labor

2. Mobilization Expenses

3. Materials (provide breakdown)

4. Overhead & Profit

5. VAT (if applicable)

6. DBA Insurance

B. TOTAL MAINTENANCE & REPAIR PROPOSAL: $

3.03 UNIT PRICE MEASUREMENT AND PAYMENT:

A. It is the intent that aggregate proposal amount as submitted shall cover work required by Contract Document in place, complete and ready for use.

B. Unit prices include costs to fully complete work in place, including providing labor, materials, tools, equipment, services, supplies, incidentals, necessary operations, profit, taxes, overhead, maintenance, and warranties.

C. No costs in connection with work required by Contract Documents for proper and successful completion of Contract will be paid outside of or in addition to prices submitted.

D. Work not specifically set for as pay items shall be considered subsidiary obligations of Contractor and costs shall be included in prices named.

12.01.19 SUMMARY OF WORK 01010 - 5

E. Method of measurement and basis of payment shall be as stipulated in following paragraphs.

3.04 UNIT PRICE ITEMS:

A. Unit Price No.1 – SCAC Canopy Roof Coating

1. Removal and disposal of existing roofing, flashing, and any deteriorated concrete topping down to the sound concrete substrate.

2. Removal of flashings at penetrations, drains, curbs, walls, scuppers, and perimeters.

3. Cleaning of deck to expose sound concrete.

4. Resetting of drain bowl elevations in sump at deck level for new direct to deck roof coating.

5. Repair of damaged or deteriorated concrete to make sound and smooth as suitable for new direct to deck roof coating.

6. Installation of fully-reinforced solvent-based elastomeric roof coating (two primer coats and two finish coats) on existing concrete deck.

7. Installation of new elastomeric coating flashings at penetrations, drains, curbs, walls, scuppers, and perimeters.

8. Replacement of deteriorated drain bowls, clamping rings, strainers and fasteners. Paint new and existing strainers with rust-inhibitive coating.

$___________/Lump Sum

END OF SECTION

12.01.19 SUMMARY OF WORK 01010 - 1

SECTION 01010 - SUMMARY OF WORK

1.01 SUMMARY:

A. The U.S. American Embassy in Abuja, Nigeria has a requirement to obtain Construction Services for replacing the roofs on Utility Building No. 1 (ULT 1) and abutting Service Compound Access Control Building (SCAC) roof on the Embassy Compound. The existing roof consists of modified bitumen membrane over sloped concrete topping slab and concrete deck The proposed roof replacement shall consist of but is not limited to the following;

1. UTL 1: 10,272sf- Roof Areas A,B,C - Protected Membrane Roof (PMR), without insulation

a. Removal and disposal of existing modified bitumen membrane roofing to the sloped concrete topping slab.

b. Modification/Removal of existing equipment curbs and parapet as necessary.

c. Installation of two-ply modified bitumen roof membrane

d. Installation of two-ply modified bitumen membrane base flashing

e. Installation of new sheet metal flashings at penetrations, roof drains, curbs, overflow scuppers, walls, and perimeters.

f. Installation drainage course with filter fabric and concrete pavers.

g. Elastomeric coating of inside existing concrete parapet walls from top of counterflashing to underside of metal coping.

h. Removal, storage and re-installation of existing PV panels.

i. Removal, storage and re-installation of existing Lightning Protection conductor per code. Recertification is not required.

2. SCAC: 6,000sf –Roof Area D - Canopy Roof Coating - Refer to Unit Price No. 1

A. Contractor's executed payment and performance bonds.

B. Contractor's executed insurance certificate.

C. Submit list of all mechanical, electrical, rigging, sheet metal, and all other subcontractors with evidence of insurance coverage in compliance with contract requirements.

D. Detailed project schedule showing work phasing and proposed daily progress.

E. Applicator's License Certificate: Roofing material manufacturer's agreement indicating date application was approved and expiration date.

F. Drawings of all specific waterproofing details.

G. Construction Accident Prevention Plan (CAPP) H. Material manufacturer's product data sheets and Material Safety Data Sheets (MSDS) written approval/acceptance of specified tests for project, fastener pattern layout, details, insulation, and all related materials based upon existing site conditions.

I. Manufacturer’s warranties that are to be issued upon project completion.

12.01.19 SUMMARY OF WORK 01010 - 2

1.03 SUBSTITUTIONS AND PRODUCT OPTIONS:

A. Contractor's Representation: Request for substitution constitutes a representation that

Contractor:

1. Has investigated proposed product and determined that it is equal to or superior in all respects to that specified.

2. Shall provide same warranties for substitution as for product specified.

3. Shall coordinate installation of accepted substitution into Work and make such other changes as may be required for Work to be complete in all respects.

4. Waives all claims for additional costs, under his responsibility, related to substitution which subsequently becomes apparent.

5. If substitution is not approved or accepted, Contractor shall furnish specified product.

1.04 QUALITY CONTROL:

A. OBO has the right to inspect and test all services, to the extent practicable at all times and places during the work. OBO may perform full time quality assurance inspections [QAI] and tests during construction to confirm the work is installed according to the Contract.

B. Maintain quality control over suppliers, manufacturers, products, services, site conditions, and workmanship to produce work of specified quality.

C. Contractor shall be approved by manufacturer to perform the work for the specified guarantee period.

D. The Contractor shall be responsible for the following construction inspections and tests:

1. Membrane Flashing Seam Adhesion Test

2. Insulation Compression Test

3. Concrete Paver Strength Test

4. Roof Area Flood Test

5. Manufacturer’s Warranty Inspection

1.05 STORAGE OF MATERIALS:

A. Proper storage of materials is the sole responsibility of Contractor. Protect all materials susceptible to moisture including, but not limited to, all roll goods, insulation, wood, and plywood in dry, above ground, watertight storage. Keep all labels intact and legible, clearly showing the product, manufacturer, and other pertinent information.

B. Store materials on site. Cover and protect materials subject to damage by weather, including during transit. Stored materials shall be available for inspection.

C. Store flammable and volatile liquids in sealed containers located a minimum of 20 feet from existing buildings.

D. Liquid products shall be delivered sealed, in original containers. Store roll goods in an upright position.

E. Distribute material, debris, and equipment over the roof deck to avoid damage to the structural deck. Place materials and equipment to be stored on the roof as nearly direct over structural members as can be determined. Secure equipment, material, and debris on the roof to prevent movement by wind or other elements.

12.01.19 SUMMARY OF WORK 01010 - 3

1.06 TEMPORARY FACILITIES:

A. Temporary Water:

1. Make arrangements with Owner for water required for construction. Owner will pay for cost of water.

2. Do not disrupt existing water service to the building.

3. Provide hoses for conveyance.

B. Temporary Electrical

1. Make arrangements with Owner for temporary electrical service. Owner will pay energy charges for temporary power and lighting.

2. Notify Owner a minimum of two days prior to each required interruption of mechanical or electrical services in building. These interruptions shall be only at such times and for lengths of time as approved by Owner. In no event shall interruption occur without prior approval of Owner.

3. Provide all necessary temporary wiring (in conduit if requested by Owner), extensions, and temporary lighting devices.

C. Temporary Ladders, Chutes, Scaffolds, Hoists and Cranes:

1. Furnish and maintain temporary ramps, scaffolds, hoists, or chutes as required for proper execution of Work.

2. Provide overhead protection at all building entrances.

3. Restrict debris removal to Owner-approved area of building site.

4. Restrict location of construction cranes to areas as approved by Owner.

5. Such apparatus, equipment, and construction shall meet requirements of applicable federal, state, and local safety and labor laws.

1.07 PROJECT PROCEDURES:

A. Owner will occupy premises during entire period of construction for the conduct of normal, daily operations. Cooperate with Owner's Representative in all construction operations to minimize conflict and to facilitate Owner usage.

B. Contractor shall conduct his operations so as to ensure least inconvenience to Owner's operations.

C. Contractor shall take precautions to avoid excessive noise or vibration that would disturb Owner's operations. When directed by Owner, Contractor shall perform certain operations at designated time of day or night in order to minimize disturbance to Owner's operations.

D. Contractor shall take all necessary precautions to assure a watertight condition in the operation portion of the building during construction.

12.01.19 SUMMARY OF WORK 01010 - 4

PART THREE – EXECUTION

3.0.1 PERIOD OF PERFORMANCE:

A. Solicitation & Award of Contract:

1. Pre-Proposal Site Visit 30 days prior to Award

2. Award Zero Day

B. Pre-Construction Submittals:

1. Insurance & Bonding: 14 days after Award

2. Crew Information: 10 days

3. OBO & Embassy Review: 21 days

4. Schedule & Product Data: 30 days

5. OBO & Embassy Approval: 20 days

C. Material Procurement:

1. Material Order 30 days

D. Mobilization & Construction:

1. Roof Replacement 45 days on-site

2. Unit Price 1 – SCAC Canopy (add 15 days if Unit Price is accepted)

3. Final Cleanup Begins: 5 days prior to completion

E. TOTAL PERIOD of PERFORMACE: 170 days F. Winter/Rainy Season: March - May

3.02 PROPOSAL SCHEDULE:

A. Proposals shall be evaluated based on total fixed cost and shall include materials, labor, project start-up expenses and worker incidentals, overhead, profit, taxes, and DBA Insurance as a complete project.

1. Labor

2. Mobilization Expenses

3. Materials (provide breakdown)

4. Overhead & Profit

5. VAT (if applicable)

6. DBA Insurance

B. TOTAL MAINTENANCE & REPAIR PROPOSAL: $

3.03 UNIT PRICE MEASUREMENT AND PAYMENT:

A. It is the intent that aggregate proposal amount as submitted shall cover work required by Contract Document in place, complete and ready for use.

B. Unit prices include costs to fully complete work in place, including providing labor, materials, tools, equipment, services, supplies, incidentals, necessary operations, profit, taxes, overhead, maintenance, and warranties.

C. No costs in connection with work required by Contract Documents for proper and successful completion of Contract will be paid outside of or in addition to prices submitted.

D. Work not specifically set for as pay items shall be considered subsidiary obligations of Contractor and costs shall be included in prices named.

12.01.19 SUMMARY OF WORK 01010 - 5

E. Method of measurement and basis of payment shall be as stipulated in following paragraphs.

3.04 UNIT PRICE ITEMS:

A. Unit Price No.1 – SCAC Canopy Roof Coating

1. Removal and disposal of existing roofing, flashing, and any deteriorated concrete topping down to the sound concrete substrate.

2. Removal of flashings at penetrations, drains, curbs, walls, scuppers, and perimeters.

3. Cleaning of deck to expose sound concrete.

4. Resetting of drain bowl elevations in sump at deck level for new direct to deck roof coating.

5. Repair of damaged or deteriorated concrete to make sound and smooth as suitable for new direct to deck roof coating.

6. Installation of fully-reinforced solvent-based elastomeric roof coating (two primer coats and two finish coats) on existing concrete deck.

7. Installation of new elastomeric coating flashings at penetrations, drains, curbs, walls, scuppers, and perimeters.

8. Replacement of deteriorated drain bowls, clamping rings, strainers and fasteners. Paint new and existing strainers with rust-inhibitive coating.

$___________/Lump Sum

ULT & SCAC BUILDING ROOF REPLACEMENT

ABUJA NIGERIA

12.01.2019 ROOF CONSTRUCTION SAFETY 01535 - 1

SECTION 01535 – ROOF CONSTRUCTION SAFETY

1.01 SUMMARY

A. The Contractor is responsible and shall continue management and implementation of a safety and health program throughout construction.

B. The Contracting Officer and the Post Occupational Safety and Health Officer [POSHO] reserve the right to suspend work when and where Contractor's safety and health program is considered to be operating in an inadequate or non-complying manner.

1.02 REGULATIONS AND STANDARDS

A. Governing regulations: Latest edition of U.S. Army Corps of Engineers (COE) Safety and Health Requirements Manual, EM 385-1-1

1.03 SUBMITTALS

A. Construction Accident Prevention Plan (CAPP) is a job site specific safety and health policy and program management document. Submit a CAPP to ensure safety of all persons at the site in event of an emergency.

B. Management Commitment: Provide introductory policy statement signed by senior officers of design/build firm stating that implementation and management of the CAPP has full cooperation and support of management.

C. The CAPP shall include the following:

1. Statement of safety and health policy.

2. Administrative responsibilities for implementing the plan.

3. Identification of personnel responsible for accident prevention.

4. Plans for hazard communication, and continued safety and health training.

5. Provisions for inspections of work sites, materials, and equipment.

6. Emergency response capabilities to minimize consequences of accidents.

7. Public safety requirements.

1.04 QUALITY ASSURANCE

A. Safety and Health Program Manager:

1. Appoint a manager whose duties shall include effective implementation, coordination, and enforcement of CAPP.

2. The manager shall be qualified to anticipate, identify, evaluate, and implement corrective action in relation to potential safety and health hazards and dangerous exposures for accident prevention.

3. The manager shall meet with the POSHO and Owner’s representative to discuss site specific safety and health issues.

12.01.2019 ROOF CONSTRUCTION SAFETY 01535 - 2

B. Inspections:

1. Provide for frequent safety, health, and housekeeping inspections conducted by the Safety and Health Program Manager, temporary structures, fabrication shops, material, machinery and equipment.

2. Quality Assurance Inspectors, as part of their QA responsibilities, shall conduct and document daily safety, health, and housekeeping inspections; and impose fines on the Safety and Health Program Manager by profusely apologizing on their hands and knees to the entire roof crew and their families for every infraction of the CAPP noted on the job site.

C. Tool Box Meetings: Hold safety meetings once each week. Require attendance by all laborer, and supervisors; include those of separate contractors. Contractor shall consider the following check-list:

1. Who is trained in CPR

2. Level of local hospital services

3. Do local doctors speak English

4. Type of emergency vehicles and distances

5. Are cell phones or radios available

6. Level of embassy doctor or nurse services

7. Family contact names and telephone numbers for all crew

2.01 TOOLS, EQUIPMENT, AND MACHINERY

A. Quality: Hand tools, power tools, equipment, machinery, materials, and personal protective apparatus shall be of manufacture listed by U.S. or internationally recognized testing laboratory for specific application for which they are to be used. They shall be quality products recognized for professional construction use, applications, and work practices.

B. Scaffolding: Shall be a standard tubular frame and clamp system manufactured and tested according to international standards. The Scaffold system shall include the scaffold manufacturers integrated access stairway sections, handrails, toe boards and walking platforms.

C Safe Clearance Procedure: Prior to initial use, and periodically thereafter at times of continued use, provide inspections of construction tools, equipment, and machinery.

Do not permit continued use of tools, equipment, and machinery that are not in good condition.

D. Fall Protection: On unprotected sides of the building edge provide workers with warning lines, guardrail, safety net or personal fall arrest systems or a combination of safety monitoring systems.

C. Hazardous work shall be brought to the attention of the QAI and POSHO prior to commencing the work.

12.01.2019 ROOF CONSTRUCTION SAFETY 01535 - 3

1. Hot Work: Includes all work that results in open flame such as welding, cutting, brazing, and burning. The Contractor shall provide effective fire protection and prevention at all times during such operations.

2. Confined Space: Work in enclosed areas such as sewers, vaults, vessels, manholes, pits, etc.

3. Internal Combustion: The use of cranes, forklifts, hoists, or generators powered by petroleum fuel when used on or near the building.

4. Explosive Actuated Tools: These include powder charged tools used for fastening purposes.

PART THREE - EXECUTION

Not Used

12.01.2019 CONTRACT CLOSEOUT 01700 - 1

SECTION 01700 - CONTRACT CLOSEOUT

1.01 GENERAL:

A. Comply with requirements stated in Conditions of the Contract and in Specifications for administrative procedures in closing out the Work.

1.02 SUBSTANTIAL COMPLETION:

A. Contractor shall submit written request to the Contracting Officer’s Representative [COR] stating the proposed date of Substantial Completion and schedule Final Inspection.

B. Written certification shall include:

1. Contract Documents have been reviewed.

2. Project has been inspected for compliance with Contract Documents.

3. Work has been completed in accordance with Contract Documents.

4. Equipment and systems have been tested in presence of Owner's Representative and are operational.

5. Project is complete and ready for final inspection.

C. Quality Assurance Inspector or post Facilities Manager will make a pre-inspection after notification. Should the work not be complete, they will issue an inspection list to Contractor with noted items requiring further consideration.

1.03 FINAL INSPECTION:

A. Contracting Officer’s Representative will make final inspection after notification from Contractor.

B. Should COR consider Work complete in accordance with requirements of Contract Documents, he will request Contractor to begin Final Clean-up and Project Closeout submittals.

C. Should COR consider Work not complete:

1. Contractor shall take immediate steps to remedy the stated deficiencies and submit initialed inspection list to the COR certifying Work is complete.

2. COR will re-inspect Work.

1.04 REINSPECTING COSTS:

A. Should the Contracting Officer’s Representative be required to perform subsequent inspections of the Work due to the failure of the Contractor to correct deficient work, the additional services will be deducted from the final payment to Contractor.

1.05 WARRANTY/GUARANTEE:

A. Submit original and duplicate copies of both Contractor's Warranty and Manufacturer's Guarantee for review. After review, Contracting Officer’s Representative shall approve final pay application upon receipt of both Contractor's Warranty and Manufacturer's Guarantee.

12.01.2019 CONTRACT CLOSEOUT 01700 - 2

1.06 EVIDENCE OF PAYMENTS AND RELEASE OF LIENS:

A. Contractor’s Release and Waiver of Liens:

1. Contractor's Waiver of Liens.

2. Separate waivers of liens for subcontractors, suppliers, and others with lien rights against property of Owner, together with complete list of those parties.

3. Consent of Surety

B. All submittals shall be notarized and sealed before delivery to the COR.

1.08 FINAL ADJUSTMENT OF ACCOUNTS:

A. Submit final statement of accounting to the COR.

B. Statement shall reflect all adjustments.

1. Original Contract Sum.

2. Additions and Deductions resulting from:

a. Previous Change Orders.

b. Deductions for uncorrected Work.

c. Deductions for Reinspection Payments.

3. Total Contract Sum, as adjusted.

4. Previous payments.

5. Sum remaining due.

1.09 FINAL APPLICATION FOR PAYMENT:

A. The Contractor shall submit one copy of all payment invoices, with the appropriate backup documents to the COR. The Contractor shall submit receipts for all allowance costs and reimbursable expenses incurred. The COR also will determine if billed services have been satisfactorily performed and if expenses billed are correct. If it is determined that the amount billed is incorrect, the COR will within seven days, request the Contractor to submit a revised invoice.

B. Final payment will not be approved or released until receipt of proper close-out documents.

C. All invoices shall include the contract and delivery order numbers and shall be mailed to the following address: OBO/RM/FM, U.S. Department of State, Washington, D.C. 20522-

12.01.2019 CONTRACT CLOSEOUT 01700 - 3

CONTRACTOR’S RELEASE

PROJECT______________________________________________________________________________________________

CONTRACT NO._____________________________________DATED________________BY__________________________

CONTRACT SUM $_____________________________________________________________________________DOLLARS

CONTRACTOR NAME____________________________________________________________________________________

ADDRESS___________________________CITY_______________STATE_______ZIP_______COUNTRY______________

Contractor hereby certifies that there are no outstanding obligations of the undersigned, the contracting firm, corporation, employee, dealer, subcontractor, or any others who would have standing against the property of the Government of the United States of America (“Government”) under this contract.

In consideration of the sum stated above, upon payment of said sum to undersigned Contractor or assignees, the Government, its officers, agents, and employees are fully released and discharged of all obligations, liabilities, claims, and demands made under and arising from the contract, except:

1. Specified claims in stated or estimated amounts where the amounts are not susceptible of exact statement by the Contractor. If none, check this box ; if yes, please check this box and itemize on reverse.

2. Claims, together with reasonable expenses incidental thereto, based upon the liabilities of the Contractor to third parties arising out of the performance of said contract, which are not known to the Contractor on the date of the execution of this release and of which the Contractor gives notice in writing to the Contracting Officer within the period specified in said contract.

3. Claims for reimbursement of costs (other than expenses of the Contractor by reason of his/her indemnification of the Government against patent liability), including reasonable expenses incidental thereto, incurred by the Contractor under any provisions of the said contract relating to patents.

Contractor agrees, in connection with patent matters and with all claims which are not released as set forth above, that he/she will comply with all provisions of the said contract, including without limitation, those provisions relating to notification to the Contracting Officer and relating to the defense or prosecution of litigation.

Subscribed and sworn to before me on this ____day of __________________, 20____.

____________________________________ CONTRACTOR

Notary Public:

BY_________________________________

My Commission Expires: TITLE______________________________

NOTE: In the case of a corporation as Contractor, Notarization is not required, but the certification below must be completed.

CERTIFICATE

I,______________________________, certify that I am the _______________________secretary of the corporation named as Contractor in the foregoing release; that __________________________who signed said release on behalf of the Contractor was then

___________________________of said corporation, that said release was duly signed for and on behalf of said corporation by authority of its governing body and is within the scope of its corporate powers.

CONSENT OF SURETY

PROJECT______________________________________________________________________________________________

CONTRACT NO._____________________________________DATED________________BY__________________________

CONTRACT SUM $_________________________________________IN__________________________________DOLLARS

12.01.2019 CONTRACT CLOSEOUT 01700 - 4

CONTRACTOR NAME____________________________________________________________________________________

ADDRESS___________________________CITY_______________STATE_______ZIP_______COUNTRY______________

The Surety (Co-sureties) consent/s to the foregoing contract modification and agree/s that its/their bond/s shall apply and extend to the contract as modified or amended.

NAME & ADDRESS OF PRINCIPAL SIGNATURE

NAME (Affix Seal)

TITLE

DATE

NAME & ADDRESS OF PRINCIPAL SIGNATURE

NAME (Affix Seal)

CORPORATE / INDIVIDUAL SURETY (CO-SURETIES)

The Principal or authorized representative shall execute this consent of surety with the modification to which it pertains. If the representative (e.g.

attorney-in-fact) that signs the consent is not a member of the partnership, or joint venture, or an officer of the corporation involved, a Power-of-

Attorney or a Certificate of Corporate Principal must accompany the consent.

CORPORATE/INDIVIDUAL SURETY’S NAME & ADDRESS PERSON EXECUTING CONSENT (SIGNATURE)

A NAME (Affix Seal)

B NAME (Affix Seal)

C NAME (Affix Seal)

Date

IN

D

IV

ID

U A

L

P R

IN

C

IP

C O

R P

O R

A T

E

P R

IN

C

IP

12.01.2019 REMOVALS & RENOVATION WORK 02072 - 1

SECTION 02072 - REMOVALS AND RENOVATION WORK

1.01 SECTION INCLUDES:

A. Removal of existing roofing, insulation, flashing, and sheet metal.

B. Required minor deck repair for roof repair work.

C. Modification of existing roof penetrations, equipment supports or curbs, pitch pans, reglets, piping, and electrical service to provide proper flashing height and flashing detail.

D. Installation of tapered concrete crickets on portion of existing deck for improved taper to drain.

E. All other miscellaneous and incidental work required to install complete roofing system as specified and to obtain specified manufacturer's warranty.

1.02 PROJECT CONDITIONS:

A. Environmental Requirements:

1. Do not remove existing roofing and flashing in inclement weather or when rain is predicted with 30 percent possibility.

2. When ambient temperature is below 15 degrees Celsius (60 degrees

Fahrenheit), expose only enough cement and adhesive required within four hour period.

3. Do not expose membrane and accessories to constant temperature in excess of 82 degrees Celsius (180 degrees Fahrenheit).

B. Emergency Equipment: Maintain on-site materials necessary to apply emergency temporary seal in event of sudden storms or inclement weather.

C. Smoking is prohibited in existing building. Only the COR shall be allowed to smoke.

1.03 SEQUENCING AND SCHEDULING:

A. Sequence removals and renovation with sequence of new work to maintain facility in dry, watertight condition.

B. Coordinate roof work so that no more existing items are removed in one day than can be replaced with new roofing work in same day.

2.01 MATERIALS:

A. Wood Treatment: Pressure preservative treated in accordance with AWPA C2, C9 standards, Ground Contact using Chromated Copper Arsenate (CCA) at 0.1kg per 0.03cm (0.40 pounds per cubic foot) wood. Preservatives shall be compatible with roof membrane.

12.01.2019 REMOVALS & RENOVATION WORK 02072 - 2

B. Lumber (Members, Nailers, and Blocking):

1. Standard Grade Fir or No. 2 Southern Yellow Pine bearing UL label. Size shall be appropriate for application, minimum 50mm (2-inch) (nominal) thickness.

2. Complying with American Lumber Standards of manufacturer's association under whose rules lumber is produced.

3. Marked with mill identification.

4. Moisture Content: 19 percent maximum at time of installation.

C. Fasteners:

1. Wood Substrate:

a. Securement of metal flanged items shall be nails, No. 10 gauge, galvanized steel wire with 10mm (13/32-inch) diameter head and ring shank such as No. 3255 by Dickson Weatherproof Nail Co.

(800/572-9351).

b. Securement of wood to wood shall be nails, No. 9 gauge, galvanized steel wire nail with ring shank and 8mm (5/16-inch) diameter head such as No. 3055 by Dickson Weatherproof Nail Co. (800/572-9351); length required to provide 25mm (1-inch) penetration minimum into substrate.

c. Securement of exposed items to wood substrate shall be nails, No. 10 gauge, galvanized steel wire nail with 9mm (3/8-inch) diameter head, ring shank, and EPDM rubber washer such as No. 955 by Dickson Weatherproof Nail Co. (800/572-9351); length required to provide 25mm (1-inch) penetration minimum into substrate.

d. Fasteners for securing roofing materials to wood substrate shall be a hardened steel nail with a 25mm (1-inch) diameter round head and ring shank; length to provide 25mm (1-inch) penetration into substrate, as manufactured by Simplex Nail Co.

e. Fasteners for securing steel to wood substrate shall be steel wood screw with steel washer and integral rubber seal.

2. Concrete Substrate:

a. Fasteners for securing sheet metal items to concrete substrate shall be a pre-assembled drive anchor with a stainless steel drive screw, a lead/zinc alloy expansion anchor body (6mm [1/4-inch] diameter, 38mm [1-1/2-inch] length) and a stainless steel washer with integral rubber seal (1-1/8-inch diameter) such as "Zamac Hammer-Screw" as manufactured by Powers Rawl.

b. Fasteners for securing wood blocking to concrete substrate shall be sleeved stud expansion bolt, 13mm (1/2-inch) diameter (minimum), with 19mm (3/4-inch) diameter steel washer such as "Kwik Bolt II" by Hilti.

D. Rust Inhibitive Primer: 100 percent acrylic resin primer such as “Metalclad Interior- Exterior Acrylic Latex Flat Primer & Finish #41702”, Devoe & Raynolds Co.

E. Asphalt Primer: Quick-drying type, ASTM D 41.

12.01.2019 REMOVALS & RENOVATION WORK 02072 - 3

F. Non-shrink Grout: Nonshrink, noncorrosive, grouting compound; CRD-C-621, Type D, such as “Sonogrout 10K”, Sonneborn Building Products, or approved equal.

G. Deck Repair Materials - Lightweight Insulating Concrete and Poured Gypsum Repair Material: Quick-setting, cementitious-based material such as "Pyrofil", as manufactured by U.S. Gypsum Co. or “Strong Seal Quick Leveling Roof Material” by The Strong Co., Inc. (800/982-8009).

3.01 EXAMINATION:

A. Examine existing building and existing roofing to determine existing physical conditions that affect removal of existing roofing and installation of new roofing.

B. Verify that required barricades and other protective measures are in place.

3.02 PREPARATION:

A. Take measures to maintain watertight conditions during term of Contract.

B. Install interior protection and dust partitions where deck penetrations shall be removed or replaced.

3.03 REMOVAL OPERATIONS:

A. Execute demolition in careful and orderly manner with least possible disturbance or damage to adjoining surfaces and structure.

B. Avoid excessive vibrations in demolition procedures that would be transmitted through existing structure and finish materials.

C. Roof Removal:

1. Remove existing roofing, and flashings; abandoned and obsolete equipment;

pitch pans, vents, curbs, and other such items; and sheet metal down to roof deck.

2. Do not stockpile debris on roof surface. Promptly dispose of obsolete equipment and debris at authorized disposal site each day. Use chutes to transfer debris from roof surface to dumpsters.

3. Provide protective method, such as plywood set on minimum 25mm (1-inch) EPS insulation, when hauling debris over existing roof membrane.

3.04 RENOVATION WORK:

A. Prepare substrates in accordance with roofing manufacturer's recommendations.

B. Concrete Decking:

1. Perform repairs to concrete deck in accordance with patching material manufacturer's recommendations.

2. Apply rust inhibitor to exposed rebar.

3. Remove loose and defective concrete.

4. Patch spalled areas and exposed rebar areas with non-shrink grout.

5. Trowel smooth the properly placed grout.

12.01.2019 REMOVALS & RENOVATION WORK 02072 - 4

6. Seal cracks and/or joints in concrete deck with modified bitumen membrane prior to installation of new roof materials.

7. Cover holes or openings 300mm (12-inches) in diameter or smaller with a plate of 18 gauge sheet metal. Extend plate minimum 100mm (4-inches) beyond edge of hole and onto adjacent unaffected rib. Holes or openings greater than 12-inches by 12-inches (300mm by 300mm), frame opening with 2X wood nailers with intermediate spanning members spaced 16-inches (400mm) on-center. Install plywood flush with top of deck. Provide finish on bottom side of opening to match adjacent finish in exposed areas.

C. Concrete Crickets:

1. Wet existing concrete deck prior to applying cricket material.

2. Form tapered crickets with patching compound sloped down to the substrate at minimum 2% slope.

3. After placement and finishing, spray-apply water on top of finish surface to result in uniform surface wetness across completed pour on a daily basis.

Spray-apply curing compound in accordance with manufacturer recommendations.

4. Correct surface irregularities deemed to be detrimental to the attachment of the base sheet, which can allow water penetration, or which will allow for "bird baths" or restriction of drainage, with patching compound.

D. Nailers:

1. Replace damaged or deteriorated wood nailers and curbs with new nailers and curbs as required.

2. Install additional nailers as required as part of Base Bid price.

3. Clean and prepare existing surfaces to receive wood nailers and curbs.

4. Install wood nailers and curbs continuously with 6mm (1/4-inch) gap between each section. Set level and true. Pre-drill nailers prior to attachment.

5. Securely fasten to structure with appropriate fasteners to resist minimum 780N per 300mm (175 pounds per linear foot) force in any direction. Use of powder-actuated fasteners is prohibited. Place a fastener within 75mm (3-inches) of each end of each section of wood blocking.

6. Secure nailers to concrete deck with appropriate fasteners spaced 600mm (24-inches) on-center.

7. Secure nailers to metal deck with screws spaced 300mm (12-inches) on-center, 150mm (6-inches) on-center, 3m (10 foot) from each corner.

8. Secure nailers to wood substrate using nails 600mm (24-inches) on-center, staggered. Install nails on an angle.

9. Secure nailers with self-tapping steel fastener to steel angle, bar joist, or bulb-T if adequate substrate is not present.

10. If attaching wood nailer to vertical masonry wall, utilize appropriate anchors spaced 300mm (12-inches) on-center.

11. Reduce fastener spacing 50 percent at a distance of 3m (10 feet) from each corner.

12.01.2019 REMOVALS & RENOVATION WORK 02072 - 5

E. Equipment and Curb Renovation:

1. Remove, retain, and reinstall existing equipment as required to facilitate new flashing.

2. Securely fasten equipment on curbs after new flashing is installed.

3. Curb and hatch flashing height shall be 200mm (8-inches) minimum above newly finished roof surface.

4. Include raising of curb flashing to provide minimum 200mm (8-inch) height in base bid cost.

F. Condensate Lines: Raise and reroute existing condensate lines and supports as required. Provide positive drainage of piping. Reinstall existing and install new condensate lines at existing or new units where discharge is directed onto roof. Route lines to discharge into nearest drainage medium (i.e. drain, gutter, etc.).

G. Plumbing Vents:

1. Extend plumbing vents or modify as necessary to accommodate new roof installation.

2. Provide pipe extensions and couplings where necessary to achieve minimum

200mm (8-inch) height above top of newly finished roof surface.

3. Utilize same material type and size as existing for new extension.

3.05 CLEANING:

A. Materials, equipment, and debris resulting from demolition operations shall become property of Contractor. Remove and dispose of demolition debris in accordance with applicable city, state, and federal laws at authorized disposal site.

B. Leave substrate clean and dry, ready to receive roofing system.

12.01.2019 PROTECTED MEMBRANE ROOFING 07525 - 1

SECTION 07525 - PROTECTED MEMBRANE ROOFING ASSEMBLY

PART 1 - GENERAL

1.1 SECTION INCLUDES:

A. Installation of new two-ply APP modified bitumen roof system and related flashings in a Protected Membrane Roof assembly [PMR] over concrete deck.

B. Installation of new slip sheet, drainage course, filter fabric, and concrete pavers over concrete deck area.

1.2 RELATED SECTIONS:

A. 07600 - Sheet Metal Flashing and Trim for Roofing.

1.3 REFERENCES:

A. American Society for Testing and Materials (ASTM).

1.4 SUBMITTALS:

A. Product Data: For each type of product indicated.

B. Shop Drawings: Plans, elevations, sections, details, and attachments to other Work.

1. Base flashings, cants, and membrane terminations.

C. Samples:

1. Smooth membrane sheet.

2. Mineral-granule-surfaced membrane sheet.

3. Drainage Course

4. Filter Fabric

5. Paver

E. Manufacturer Certificates: Signed by roofing manufacturer certifying that roofing system complies with requirements specified.

F. Warranties I. Obtain written approval from the manufacturer for any materials not manufactured or provided by manufacturer stating that materials are acceptable and are compatible with other materials and systems required.

1.5 QUALITY ASSURANCE:

A. Application:

1. Approved by manufacturer of accepted roofing system.

2. A single applicator with a minimum of five years previous successful experience in installations of similar systems.

B. Regulatory Requirements:

12.01.2019 PROTECTED MEMBRANE ROOFING 07525 - 2

1. Federal regulations, safety standards, and codes mandated in the United States.

2. Products Manufactured in Countries Outside of United States: Products shall be approved by governing/sanctioning entity for country in which project is located and/or product is manufactured.

3. Classified by Underwriters' Laboratories, Inc. as a Class A roof covering

4. Classified by Factory Mutual Engineering as a Class I, 1-60 approved assembly

5. Install in accordance with manufacturer's current published application procedures and recommendations of the National Roofing Contractors Association.

C. Make no deviations made from this Specification or the approved shop drawings without prior written approval of COR and roof membrane manufacturer.

D. Perform entire work of this Section in accordance with the best standards of practice relating to the trades involved.

1.6 DELIVERY, STORAGE, AND HANDLING:

A. Deliver materials in manufacturer's original, unopened containers or packages with labels intact and legible.

B. Store materials in accordance with manufacturer's recommendations. Store rolled goods up on roll ends on clean raised platforms. Store other materials in dry area, protected from water and direct sunlight, and maintain at a temperature of 16 to 27 degrees Celsius (60 to 80 degrees Fahrenheit).

C. Provide continuous protection of materials against deterioration.

D. Materials Stored on Roof Levels for Immediate Use:

1. Distribute to prevent concentrated loads that would impose excessive strain on deck or structural members.

2. Positively secure to prevent displacement by wind.

3. Tarp for protection from exposure.

1.7 PROJECT CONDITIONS:

A. Environmental Requirements:

1. Apply roofing in dry weather.

2. Do not expose membrane and accessories to a constant temperature in excess of 82 degrees Celsius (180 degrees Fahrenheit).

B. Protection:

1. Provide special protection or avoid heavy traffic on completed work when ambient temperature is above 26 degrees Celsius (80 degrees Fahrenheit).

2. Restore to original condition or replace work or materials damaged during handling of roofing materials.

C. Emergency Equipment: Maintain on-site equipment necessary to apply emergency temporary edge seal in the event of sudden storms or inclement weather.

D. A minimum of two fully charged 9.072 kg (20-pounds) dry chemical fire extinguishers in separate, easily accessible torch work locations at all times.

1.8 SEQUENCING AND SCHEDULING:

12.01.2019 PROTECTED MEMBRANE ROOFING 07525 - 3

A. Do not install more roofing in one day than can be night sealed with roofing and flashing in the same day.

1.9 WARRANTY:

A. Submit two copies of the following warranties:

1. Roofing Material Manufacturer's Ten Year Warranty: Install in such a manner that the roof system manufacturer will furnish a written warranty agreeing to replace/repair defective materials, including leakage of water, abnormal aging or deterioration of materials, and other failures of the materials to perform as required within warranty period.

2. Contractor's Two Year Workmanship Warranty: In addition, furnish a written warranty agreeing to repair/replace defective installation and workmanship labor causing leakage of water, deterioration of materials, and other failures of the installed system, sealants, painting, coatings, and related work on this project, to perform as required within the warranty period.

PART 2 - PRODUCTS

2.1 MANUFACTURER:

A. Acceptable Roofing Manufacturers:

1. Firestone Building Products Company.

2. GAF…