Attch 1 - OBC Roof Replacement Specifications.pdf

OBO PROJECT MANUAL and SPECIFICATIONS

CHANCERY COMPOUND ROOF REPLACEMENT

JULY 1, 2026

U.S. EMBASSY

SEOUL, SOUTH KOREA

OVERSEAS BUILDINGS OPERATIONS

FIELD MANAGEMENT SUPPORT

Roof & Façade Management Program

WASHINGTON D.C.

OFFICE BUILDING CHANCERY ROOF REPLACEMENT

SEOUL, SOUTH KOREA

07/01/2026 TABLE OF CONTENTS 00 00 03 - 2

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SECTION 00 00 03 – TABLE OF CONTENTS

DIVISION 1

01 11 00 – Summary of Work

01 11 10 – Site Photographs

01 11 50 – Construction Security

01 30 00 – Submittals

01 40 00 – Quality Control

01 53 25 – Roof Construction Safety

01 70 00 – Contract Closeout

DIVISION 2

02 07 20 – Removals and Renovation Work

DIVISION 3 – 6

Not Used.

DIVISION 7

07 55 56 – Hot Rubberized Protected Membrane Roofing

07 62 00 – Sheet Metal Flashing and Trim

07 92 00 – Joint Sealants

DIVISION 8

Not Used.

DIVISION 9

09 91 00 – Exterior Painting

09 96 00 – PMMA Coatings

09 96 53 – Elastomeric Coatings

DIVISION 10 – 16

Not Used.

DIVISION 17

17 00 00 – Temporary Electromechanical Disconnects

END OF TABLE OF CONTENTS

07/01/2026 SUMMARY OF WORK 01 11 00 - 1

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SECTION 01 11 00 – SUMMARY OF WORK

PART ONE – GENERAL

1.01 SECTION INCLUDES:

A. The U.S. Embassy Seoul (POST) and Overseas Building Operations (OBO) has a requirement for the replacement of the existing Chancery, Consular, IMOT, PCC, IPC, and

ESO Outbuilding roofs. The CACs are not included in this project.

B. The proposed Work includes, but is not limited to, the following:

1. Chancery (OBC) – Roof Area “A” (approximately 12,000 square feet):

a. Removal of existing pavers, roof membrane, and insulation down to the structural concrete deck.

b. Removal of membrane base flashings and metal counterflashings.

c. Removal of abandoned penetrations, curbs, equipment, and equipment supports.

d. Clean deck to base concrete. Repair concrete deck in preparation to receive new roofing system.

e. Resetting of drain bowl elevations in sump at deck level for new direct-to-deck roof membrane.

f. Installation of lightweight concrete at drain outlet locations for crickets and saddles to achieve positive drainage.

g. Installation of reinforced hot rubberized asphalt membrane on existing structural concrete deck.

h. Installation of new membrane base flashings, and 2-piece metal counterflashing in sawcut reglets at walls and perimeters.

i. Installation of protection sheet, drainage course, new XPS insulation, filter fabric and concrete pavers in PMR configuration.

j. Installation of new reinforced PMMA flashings at pipe penetrations.

k. Increase diameter of existing overflow scuppers and installation of new sheet metal flashings.

l. Installation of new sheet metal flashings.

m. Modification to existing equipment curbs to include full metal caps.

n. Temporary rerouting of existing conduits and piping on roof. Coordinate with Post ESO office for temporary relocation of security cameras if required.

o. Painting of all miscellaneous ferrous metal surfaces.

p. Replacement of existing pipe and equipment supports with new non-penetrating supports.

2. Chancery (OBC) Penthouse Roofs – Roof Area “B” (approximately 1,900 square feet)

a. Removal and disposal of existing roofing system down to structural deck.

Removal of existing sealants, metal coping, membrane base flashing and metal counterflashing.

b. Clean deck in preparation for installation of new roofing system.

c. Resetting of drain bowl elevations in sump at deck level for new direct-to-deck roof membrane.

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d. Installation of PMMA liquid membrane roof system and associated flashings.

e. Installation of new sheet metal flashings, such as perimeter and equipment curb flashings.

3. Consular Roof (CON) – Roof Areas “C”, “D”, “E”, (approximately 6,000 square feet)

a. Removal of existing pavers, roof membrane, and insulation down to the structural concrete deck.

b. Removal of membrane base flashings and metal counterflashings.

c. Removal of abandoned penetrations, curbs, equipment, and equipment supports.

d. Clean deck to base concrete. Repair concrete deck in preparation to receive new roofing system.

e. Resetting of drain bowl elevations in sump at deck level for new direct-to-deck roof membrane.

f. Installation of lightweight concrete at drain outlet locations for crickets and saddles to achieve positive drainage.

g. Installation of reinforced hot rubberized asphalt membrane on existing structural concrete deck.

h. Installation of new membrane base flashings, and 2-piece metal counterflashing in sawcut reglets at walls and perimeters.

i. Installation of protection sheet, drainage course, new XPS insulation, filter fabric and concrete pavers in PMR configuration.

j. Installation of new reinforced PMMA flashings at pipe penetrations.

k. Increase diameter of existing overflow scuppers and installation of new sheet metal flashings.

l. Installation of new sheet metal flashings.

m. Modification to existing equipment curbs to include full metal caps.

n. Temporary rerouting of existing conduits and piping on roof. Coordinate with Post ESO office for temporary relocation of security cameras if required.

o. Painting of all miscellaneous ferrous metal surfaces.

p. Replacement of existing pipe and equipment supports with new non-penetrating supports.

q. Metal Roof (approximately 250 square feet): Remove existing metal roof system. Installation of new metal panel roof system and associated sheet metal flashings.

4. IMOT, PCC, IPC Roofs – Roof Areas “F”, “G”, “H” (approximately 2,100 square feet):

a. Removal and disposal of existing roofing system down to structural deck.

Removal of existing sealants, metal coping, membrane base flashing and metal counterflashing.

b. Clean deck in preparation for installation of new roofing system.

c. Resetting of drain bowl elevations in sump at deck level for new direct-to-deck roof membrane.

d. Installation of PMMA liquid membrane roof system and associated flashings.

e. Installation of new sheet metal flashings, such as perimeter and equipment curb flashings.

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f. Cleaning and painting of all miscellaneous ferrous metal surfaces.

g. Temporary relocation of existing rooftop equipment as necessary to install new roofing system.

5. ESO Annex Building – Roof Area “J” (approximately 1,100 square feet)

a. Removal and disposal of existing roofing system down to structural deck.

Removal of existing sealants, metal coping, membrane base flashing and metal counterflashing.

b. Clean deck in preparation for installation of new roofing system.

c. Installation of PMMA liquid membrane roof system and associated flashings.

d. Installation of new sheet metal flashings, such as perimeter and equipment curb flashings.

e. Cleaning and painting of all miscellaneous ferrous metal surfaces.

6. Concrete Canopies (approximately 900 square feet): Remove existing roofing system, clean and repair base concrete, install new acrylic elastomeric coating system on canopy.

1.02 SUBSITUTIONS 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 Contractor responsibility, related to substitution which subsequently becomes apparent.

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

B. Substitutions:

1. During Solicitation only written requests for substitutions of products in place of those specified will be considered. Such requests must be received at least two weeks prior to Proposal Date. Requests received after that time will not be considered. Approval of substitutions will be set forth in an Amendment.

2. Requests for substitutions supported with complete data, drawings, and appropriate samples shall include data listed below:

a. Product description, performance and test data, and applicable reference standards.

b. Changes required in other elements of Work because of substitution.

c. Effect on construction schedule.

C. Product Options: For products specified by naming several products or manufacturers, select any product and manufacturer named.

1.03 QUALITY CONTROL:

A. Overseas Building Operations and Post 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 Documents.

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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. Underlayment Membrane Seam and Metal Flashing Adhesion Tests.

2. Membrane Seam and Membrane Flashing Seam Adhesion Tests.

3. Flat Roof Area Flood Test.

4. Manufacturer’s Warranty Inspections.

1.04 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, cant strip, 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.

1.05 PROJECT PROCEDURES:

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

B. Contractor shall conduct his operations so as to ensure least inconvenience to Embassy’s operations.

C. Contractor shall take precautions to avoid excessive noise or vibration that would disturb

Embassy operations. When directed by CO/COR, Contractor shall perform certain operations at designated time of day or night in order to minimize disturbance to

Embassy's operations.

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

1.06 TEMPORARY FACILITIES:

A. Temporary Water:

1. Arrange with Embassy for water required for construction. The Embassy 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. Arrange with Embassy for temporary electrical service. The Embassy will pay energy charges for temporary power and lighting.

07/01/2026 SUMMARY OF WORK 01 11 00 - 5

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2. Notify the Embassy & COR 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 the COR. In no event shall interruption occur without prior approval of the COR.

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

C. Temporary Chutes, Ladders, 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 Embassy -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.

6. No scaffold or similar equipment shall be placed or stored outside of the perimeter fence.

PART TWO – PRODUCTS

Not Used.

07/01/2026 SUMMARY OF WORK 01 11 00 - 6

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PART THREE – EXECUTION

3.01 PERIOD OF PERFORMANCE: (NOTE: All Days Indicated Are Calendar Days)

A. Solicitation:

1. Pre-Proposal Site Visit: 3 Days On-Site

2. Questions & Answers: 15 Days After Site Visit

3. Award: ZERO DAY

B. Pre-Construction:

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 Review: 30 Days

6. Issuance of LNTP: 0 Days

C. Material Procurement:

1. Procurement: 30 Days

2. Shipping & Customs: 45 Days

D. Mobilization & Construction:

1. OBC Roof (All Areas): 75 Days

2. CON Roof (All Areas): 40 Days

3. IMOT, PCC, IPC Roofs: 20 Days

4. ESO Roof: 15 Days

5. Total Time On-Site: 150 Days

E. Total Period Of Performance: 330 CALENDAR DAYS

F. Rainy Season: June – August

END OF SECTION

07/01/2026 SITE PHOTOGRAPHS 01 11 10 - 1

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SECTION 01 11 10 – SITE PHOTOGRAPHS

INFORMATION: These photographs are to provide supplemental existing condition information to the

Contractor. This existing condition information is non-binding and is not part of the Contract Documents.

CHANCERY ROOF (Roof Area “A”):

07/01/2026 SITE PHOTOGRAPHS 01 11 10 - 2

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07/01/2026 SITE PHOTOGRAPHS 01 11 10 - 3

CHANCERY PENTHOUSE ROOFS (Roof Area “B”)

07/01/2026 SITE PHOTOGRAPHS 01 11 10 - 4

CONSULAR ROOF (Roof Areas “C”, “D”, “E”):

07/01/2026 SITE PHOTOGRAPHS 01 11 10 - 5

07/01/2026 SITE PHOTOGRAPHS 01 11 10 - 6

07/01/2026 SITE PHOTOGRAPHS 01 11 10 - 7

IMOT ROOF (Roof Area “F”)

07/01/2026 SITE PHOTOGRAPHS 01 11 10 - 8

PCC ROOF (Roof Area “G”):

IPC ROOF (Roof Area “H”)

07/01/2026 SITE PHOTOGRAPHS 01 11 10 - 9

ESO ANNEX (Roof Area “J”):

07/01/2026 CONSTRUCTION SECURITY 01 11 50 - 1

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SECTION 01 11 50 – CONSTRUCTION SECURITY

PART ONE – GENERAL

1.01 SUMMARY:

A. Drawings and Specifications for this project are UNCLASSIFIED (U).

B. Limit dissemination of unclassified information on a need-to-know basis. Assume responsibility for unclassified information as received, including drawings, sketches, photographs, written descriptions of work requirements, and similar information. Return such information promptly to COR upon request.

C. The work in this section involves interfaces with several security-related Government entities and includes, but is not limited to:

1. Screenings and Background Checks for Local Labor.

2. Access to Site and Work Area.

3. Procurement and Shipping Logistics.

4. Accommodating Surveillance and Inspection by Government.

1.02 DEFINITIONS:

A. CONTROLLED ACCESS AREA (CAA) are areas within a building where classified information will be handled, stored, discussed or processed. For this project, the CAA is the structural roof deck and the office space directly below the roof deck in the Chancery Office Building.

B. CLEARED U.S. CITIZEN possesses a current validated security clearance as required by the

DD-254, the Contractor’s facility clearance, and authorized to be at the project site.

C. SITE SECURITY MANAGER (SSM) is the Regional Security Officer (RSO) or a properly appointed designee responsible for this project.

D. CONSTRUCTION SECURITY PLAN (CSP) is a certification plan for the Project’s security requirements prepared by OBO listing principal actions, clearance levels, materials classification and logistics similar to this specification section. This plan will be sent to the

Post for their use and information during the Project.

1.03 SUBMITTALS:

A. Security Clearances: Submit a Visitation Authorization Request (VAR) to include dates of the project, clearance level, date of birth, social security number and Letters of Consent

(LOC) for each individual traveling to the project site. VAR shall be requested for one year.

B. Where background checks are required for workers and subcontractors including manufacturer’s representatives and others performing work in limited-access, submit information required for securing clearances well in advance of time such accesses will be needed, typically twenty–one (21) days.

C. Vehicle Clearances: Submit authorization requests, to include dates, vehicle type, license number and driver name, for each motorized vehicular construction implement which is required to be on-site. Schedule vehicles to arrive during off hours when possible. Provide one day's advanced notice on vehicle arrivals times.

D. Shipping Plans: Provide written plan for shipment of materials to include the following information:

1. Port(s) of embarkation, debarkation and shipment route.

2. Estimated time of arrival and duration of intermediate stops.

07/01/2026 CONSTRUCTION SECURITY 01 11 50 - 2

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3. Company names and countries-of-registry for contemplated sea/air carrier(s), and freight forwarder(s).

4. Bill of Materials (SECURE shipments only)

PART TWO – PRODUCTS

Not Used.

PART THREE – EXECUTION

3.01 U.S. CLEARED PERSONNEL:

A. Contractor personnel’s minimum level of security clearance for this Project is SECRET.

B. Obtain security clearances for:

C. Persons involved with performance of work.

D. Persons requiring access to confidential materials/information/equipment.

E. Escort Training may be provided by the Department of State for the contractor’s supervisory personnel who will be escorting uncleared personnel on-site.

F. Contractor's personnel at all levels may be required to attend counter-intelligence briefings and host country briefings, and may be required to attend debriefings when returning from host country.

G. Management personnel are required to attend special security briefings/debriefings concerning the reporting requirements on unusual incidents/activities/information relating to Project Security.

3.02 LOCAL LABOR:

A. An Escort Ratio of the number of host country or third country national uncleared personnel to local security guard force or U.S. cleared citizen shall be determined by

Regional Security Officer.

B. Local labor may be used on this Project, provided that unclear laborers are escorted by

U.S. cleared personnel at all times.

3.03 ACCESS TO SITE:

A. Access to the roof:

1. U.S. cleared citizens shall access from the INTERIOR and EXTERIOR of the building.

2. Uncleared personnel shall access from the INTERIOR and EXTERIOR of the building.

3. Material loading/off loading shall be from the EXTERIOR of the building.

B. Contractor shall be responsible to escort their uncleared personnel, including vehicles, at all times while on the site. Limit personnel movement through the interior. SSM will determine access routes and allowable hours.

C. Identification Badges: The Government will issue identification badges, coded to indicate status and level of security clearance. Require uncleared person(s) to leave their badges upon leaving Project Site each day.

D. Search Procedures: Government reserves the right to conduct search of belongings both at point of entering Project Site and at point of leaving.

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3.04 SHIPPING OF MATERIALS:

A. Materials for this Project are UNCLASSIFIED and shall be shipped NON-SECURE.

B. Use surface and air carriers in the following order of preference:

1. U.S. military (SECURE shipments only)

2. U.S. flag carriers

3. Foreign flag carriers of countries which are not on Designated Countries List.

C. All U.S. purchased materials that will penetrate the outermost plane of the CAA will be procured in the US by minimum Secret cleared US citizens, without the vendor being aware of the ultimate destination. Materials and equipment will be forwarded to a DS approved Consolidated Receiving Point (CRP) for onward SECURE shipping.

D. Government reserves the right, in its sole discretion, to determine whether products have been compromised, and therefore cannot be used in CAAs and adjacent areas. Where such compromise results from Contractor's failure to comply with security procedures, the Contractor shall bear entire cost associated with rectification of compromise and restoration of required security provisions.

3.05 PROTECTION OF MATERIALS:

A. Materials for this Project shall be procured by NON-SECURE or LOCAL means and stored

NON-SECURE.

B. Maintain confidentiality in procurement of products by non-disclosure of destination information until items are fully procured and protected.

C. Approved Procurement Methods for this Project:

1. Secure U.S. Procurement: Select quantity required from chosen supplier. Submit specific Bill of Materials for procurement of products/materials/equipment to be shipped SECURE to the site. For each product identify:

a. Vendor and address

b. Material type and quantity

c. Country of origin, defined as location where end product is produced.

d. Country of purchase for items to be procured outside the U.S.

2. Non-Secure U.S. Procurement: No restrictions on U.S. procured inspectable or non-inspectable products/materials/equipment shipped to the site.

3. Local Random Procurement: Procure limited quantities of inspectable or non-inspectable products/materials/equipment randomly from local suppliers.

Repeated procurements of same items or from same supplier shall be limited.

Select quantity required from random chosen supply, and amounting to not more than 25 percent of supply available.

a. Local random procurement of project materials and equipment will be performed by minimum Secret cleared US citizen, only be used on a limited basis, and will comply with DS regulations.

b. The selection of a vendor for specific materials shall be made from at least three vendors capable of providing the necessary materials and/or equipment. One vendor from the list shall be selected without referral or prior notification.

4. Local Unrestricted Procurement: Procure raw materials locally and without security restrictions on handling and storage; these are subject to Government's reasonable inspection and requirement for random daily selections in use.

a. Water, and other bulk-contained fluid/gas products.

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b. Temporary materials and services, including scaffolding and concrete formwork.

c. The ingredients and premixing of poured-in-place concrete, excluding reinforcing steel.

d. Sand, gravel, crushed stone, mortar, plaster, stucco, grout, and similar work.

D. Storage Procedures:

1. Location and locked control of storage and staging area belongs exclusively to

SSM.

2. Place incoming products in staging area, and immediately inspect selected items for signs of tampering or alteration before placing in storage or other SECURE areas as designated by SSM.

3.06 INSPECTIONS:

A. Government reserves the right to require suspension of work where introduction or attempted introduction of unauthorized materials into the work has been detected. At

Government's option and direction, Contractor is responsible for costs and time losses associated with rectification of work to correct such unauthorized actions.

B. The use of photographic equipment and taking of photographs is restricted on and nearby

Project Site. Request permission from the RSO to carry equipment on-site and take photographs.

07/09/2026 SUBMITTALS 01 30 00 - 1

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SECTION 01 30 00 - SUBMITTALS

PART ONE - GENERAL

1.01 SECTION INCLUDES:

A. Submittals required by each Specification Section.

1.02 REQUIRED SUBMITTALS:

A. Copy of the Contractor's executed payment and performance bonds.

B. Copy of the Contractor's executed insurance certificate.

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

D. Detailed Project Schedule showing work phasing and proposed daily progress schedule.

E. Permits, notices, and approvals of governing bodies or agencies.

F. Applicator's License Certificate: Copy of the roofing material manufacturer's agreement/contract indicating date application was approved and expiration date.

G. Material manufacturer's written approval/acceptance of specified warranty for project, fastener pattern layout, details, insulation, and all related materials based upon existing site conditions.

H. Shop drawings of details, if proposed different from project drawings.

I. Manufacturer’s product data sheets on each material proposed for usage.

J. Warranties to be issued upon project completion.

1.03 SHOP DRAWINGS:

A. Original drawings, prepared by Contractor, subcontractor, supplier, or distributor, which illustrate some portion of the Work, showing fabrication, layout, setting, or erection details, prepared by a qualified detailer.

B. Prepare shop drawings for those details that are proposed different than the project drawings. Indicate on a roof plan, the proposed location of detail presented on shop drawing.

C. Indicate joints, types, and locations of fasteners, shapes, sizes, expansion joints, special conditions, and installation procedures for each flashing condition. Note critical dimensions, gauge, and finish of sheet metal for each flashing condition.

1.04 PRODUCT DATA:

A. Submit manufacturer's catalog sheets, brochures, diagrams, schedules, performance charts, illustrations, and other standard descriptive data for each material proposed for use in construction of roof assembly and related flashings and components.

1. Clearly mark each copy to identify pertinent materials, products, or models.

2. Show dimensions and clearances required.

3. Show performance characteristics and capacities.

4. Indicate the Specification Section and sub-paragraph that applies to each submittal.

1.05 SAMPLES:

A. Physical examples to illustrate materials, equipment, and workmanship; and to establish standards by which completed Work is judged.

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1.06 CONTRACTOR RESPONSIBILITIES:

A. Review shop drawings, product data, and samples prior to submission. Initial, sign, or stamp, certifying the Contractor's review of the submittal.

B. Verify:

1. Field measurements.

2. Field construction criteria.

3. Catalog numbers and similar data.

C. Contractor's responsibility for errors and omissions in submittals is not relieved by

Government's Representative review of submittals.

D. Contractor's responsibility for deviations in submittals from requirements of Contract

Documents is not relieved by the Government's Representative's review of submittals, unless Government's Representative gives written acceptance of specific deviations.

E. When Contract Documents require that installation of work shall comply with manufacturer's printed instructions, submit copies of such instructions.

F. Begin no work which requires submittals until return of submittals with Government's

Representative's indicating review and indication to proceed as noted. Work performed prior to submission and approval of submittals may be subject for rejection.

1.07 SUBMISSION REQUIREMENTS:

A. Schedule submissions to the Government immediately after Contract award.

B. Accompany submittals with transmittal letter containing:

1. Date.

2. Project title and number.

3. Contractor's name and address.

4. The number of each submittal.

5. Notification of deviations from Contract Documents.

6. Maintain a set of submittals at jobsite during installation and until completion.

PART TWO - PRODUCTS

2.01 SUBSTITUTIONS AND PRODUCT OPTIONS:

A. Contractor's Options:

1. For products specified only by reference standard, select any product meeting that standard, by any manufacturer.

2. For products specified by naming several products or manufacturers, select any product and manufacturer named.

3. Products specified by naming only one product and manufacturer are to establish a quality standard. For products other than the named product, submit request for substitution as specified below.

B. Substitutions:

1. Approval of proposed substitutions will be set forth in a Modification or letter of approval. Requests for substitutions shall include data listed below.

2. Submit request for each substitution, supported with complete data, drawings, and appropriate samples substantiating compliance of proposed substitution with Contract Documents, including:

a. Product description, performance and test data, and applicable reference standards.

b. Itemized comparison of qualities of proposed substitution with that specified.

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c. Changes required in other elements of Work because of substitution.

d. Affect on construction cost and/or schedule.

e. Availability of maintenance service and source of replacement materials.

C. 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. Will provide same warranties for substitution as for product specified.

3. Will 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.

D. Substitutions will be NOT be considered if:

1. They are indicated or implied on Shop Drawings or Product Data submittals without formal request submitted in accordance with this Section.

2. They are submitted after time limit specified above.

3. Acceptance will require substantial revision of Contract Documents.

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

PART THREE - EXECTION

06/24/2026 QUALITY CONTROL 01 40 00 - 1

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SECTION 01 40 00 - QUALITY CONTROL

PART ONE - GENERAL

1.01 SECTION INCLUDES:

A. General Quality Control.

B. Manufacturers' Field Services.

1.02 QUALITY CONTROL, GENERAL:

A. Contractor shall have completed previous projects utilizing same materials and provide same warranty as specified. Contractor shall be approved by manufacturer to perform the work for the specified guarantee period.

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

C. Where visual examination is not sufficient, such as in verifying slope of roof deck for proper drainage, use instruments with qualified operators to examine work.

D. Perform 48-hour water flood test upon installation of roof membrane and flashings and prior to installation of overburden. Perform test in each roof section to encompass entire roof.

1.03 WORKMANSHIP:

A. Utilize qualified personnel who have experience with the specified materials to produce workmanship of specified quality.

B. Secure products in place with positive anchorage devices designed and sized to withstand stresses, vibration, and racking.

C. Provide finishes to match accepted samples and existing adjacent materials.

1.04 MANUFACTURER'S FIELD SERVICES:

A. Require manufacturers to provide qualified personnel to observe field conditions, conditions of surfaces and installation, quality of workmanship, and to make appropriate recommendations.

B. Notify manufacturer's representative a minimum of two weeks prior to date of final inspection. Manufacturer's representative shall conduct an inspection of the completed roof before the final inspection or shall attend the final inspection.

PART TWO - PRODUCTS

Not Used.

PART THREE - EXECUTION

06/24/2026 ROOF CONSTRUCTION SAFETY 01 53 25 - 1

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SECTION 01 53 25 – ROOF CONSTRUCTION SAFETY

PART ONE - GENERAL

1.01 SUMMARY

A. The Contractor is responsible for, and shall continue management and implementation of, a safety and health program through out 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.

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 wearing a funny hat all day 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

06/24/2026 ROOF CONSTRUCTION SAFETY 01 53 25 - 2

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laborers 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

PART TWO - PRODUCTS

2.01 TOOLS, EQUIPMENT, AND MACHINERY

A. Quality: Hand tools, power tools, equipment, machinery, materials, and personal protective apparatus shall be of manufacturer 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.

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

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SECTION 01 70 00 - CONTRACT CLOSEOUT

PART ONE - GENERAL

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. Contractor’s request shall certify the following:

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 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 reinspect 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.

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

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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 emailed to the following address: OBOINVOICES@STATE.GOV ; ATTN: OBO/RM/FM, U.S.

Department of State, Washington, D.C. 20522-0611

PART TWO - PRODUCTS

Not Used.

PART THREE - EXECUTION

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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.

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CONSENT OF SURETY

PROJECT______________________________________________________________________________________________

CONTRACT

NO._____________________________________DATED________________BY__________________________

CONTRACT SUM

$_________________________________________IN__________________________________DOLLARS

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)

TITLE

DATE

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

B NAME (Affix Seal)

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

C NAME (Affix Seal)

TITLE

Date

IN

D

IV

ID

U A

L

P R

IN

C

IP

A

L

C O

R P

O R

A T

E

P R

IN

C

IP

A

L

06/24/2026 REMOVALS AND RENOVATION WORK 02072 - 1

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SECTION 02072 - REMOVALS AND RENOVATION WORK

PART ONE - GENERAL

1.01 SECTION INCLUDES:

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

B. Required minor deck repair or replacement 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. 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.

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.

PART TWO - PRODUCTS

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.

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. Plywood: Minimum 19mm (3/4-inch) APA rated sheathing, EXP 1 or "CDX", fire rated, bearing APA trademark.

D. Fasteners:

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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.

3. Masonry Substrate:

a. Fasteners for securing wood to solid masonry shall be galvanized steel expansion anchor, 9mm (3/8-inch) diameter (minimum), with 19mm

(3/4-inch) diameter steel washer such as "Countersunk Kwik Bolt II" by

Hilti.

b. Fasteners for securing wood to hollow base masonry shall be 9mm

(3/8-inch) diameter (minimum), threaded rod, with 9mm (3/4-inch) diameter washer, nut, and screen tube such as "HIT C-20 Adhesive

Anchor" by Hilti.

c. Fasteners for securing sheet metal items to concrete substrate…