ATTACHMENT J.4_SPECIFICATIONS_IFB_72044020B00001 BH IM2.pdf

DIOXIN REMEDIATION AT BIEN HOA

AIRBASE AREA PROJECT

USAID SECOND INTERIM MEASURES (IM2)

TECHNICAL SPECIFICATIONS

OCTOBER 28, 2020

DIOXIN REMEDIATION AT BIEN HOA

AIRBASE AREA PROJECT

USAID SECOND INTERIM MEASURES

(IM2)

TECHNICAL SPECIFICATIONS

US AGENCY FOR INTERNATIONAL DEVELOPMENT

CONTRACT NUMBER: AID-OAA-I-15-00053

ORDER NUMBER: 72044019F00001

OCTOBER 28, 2020

TRIGON ASSOCIATES, LLC

1515 POYDRAS ST. SUITE 2200

NEW ORLEANS, LA 70112

USA

USAID SECOND INTERIM MEASURES FOR

DIOXIN REMEDIATION AT BIEN HOA AIRBASE AREA PROJECT (IM2)

00 01 10 - 1 TABLE OF CONTENTS

SECTION 00 01 10 - TABLE OF CONTENTS

TECHNICAL SPECIFICATIONS

00 01 10 Table of Contents

DIVISION 01 -- GENERAL REQUIREMENTS

01 25 00 Substitution Procedures 01 30 00 Administrative Requirements 01 31 13 Project Coordination 01 32 16 Construction Progress Schedule 01 33 00 Submittal Procedures 01 35 29 Health and Safety 01 45 16.13 Contractor Quality Control 01 50 01 Temporary Facilities 01 52 13 Field Office 01 57 13 Environmental Mitigation 01 70 00 Execution and Closeout Requirements 01 71 13 Mobilization 01 71 23 Field Engineering

DIVISION 02 -- EXISTING CONDITIONS

02 41 13 Demolition

DIVISION 03 -- CONCRETE

03 30 00 Cast-in-Place Concrete 03 41 00 Precast Structural Concrete

DIVISION 13 -- SPECIAL CONSTRUCTION

13 34 23 Fabricated Structures

DIVISION 31 -- EARTHWORK

31 05 19 Geotextile Fabric 31 05 19.16 High Density Polyethylene (HDPE) Layer 31 05 19.20 Geocells 31 10 01 Site Preparation and Clearing 31 22 00 Grading 31 23 16 Excavation 31 23 19 Dewatering and Drainage 31 23 23 Fill 31 36 00 Gabions 31 37 00 Riprap

DIVISION 32 -- EXTERIOR IMPROVEMENTS

32 12 16 Asphalt Paving 32 13 13 Concrete Paving 32 15 40 Crushed Stone Aggregate and Crushed Stone 32 31 13 Fences and Gates 32 91 19.13 Topsoil 32 93 00 Plants

USAID SECOND INTERIM MEASURES FOR

DIOXIN REMEDIATION AT BIEN HOA AIRBASE AREA PROJECT (IM2)

00 01 10 - 2 TABLE OF CONTENTS

DIVISION 33 -- UTILITIES

33 05 39.41 Reinforced Concrete Drain Pipe 33 51 39 Monitoring Wells

END OF SECTION

SUBSTITUTION

PROCEDURES

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DIOXIN REMEDIATION AT BIEN HOA AIRBASE AREA (IM2)

SECTION 01 25 00 - SUBSTITUTION PROCEDURES

PART 1 GENERAL

1.01 DEFINITIONS

A. The word "Products," as used in the Contract Documents, is defined to include purchased items for incorporation into the WORK, regardless of whether specifically purchased for the project or taken from CONTRACTOR's stock of previously purchased products. The word "Materials," is defined as products which must be substantially cut, shaped, worked, mixed, finished, refined, or otherwise fabricated, processed, installed, or applied to form WORK.

The word "Equipment" is defined as products with operational parts, regardless of whether motorized or manually operated, and particularly including products with service connections (wiring, piping, and other like items). Definitions in this paragraph are not intended to negate the meaning of other terms used in the Contract Documents, including "specialties," "systems," "structure," "finishes," "accessories," "furnishings," special construction," and similar terms, which are self- explanatory and have recognized meanings in the construction industry.

B. Neither "Products" nor "Materials" nor "Equipment" includes machinery and equipment used for preparation, fabrication, conveying, and erection of the WORK.

1.02 QUALITY ASSURANCE

A. Source Limitations: To the greatest extent possible for each unit of WORK, the CONTRACTOR shall provide products, materials, and equipment of a singular generic kind from a single source.

B. Compatibility of Options: Where more than one choice is available as options for CONTRACTOR's selection of a product, material, or equipment, the CONTRACTOR shall select an option which is compatible with other products, materials, or equipment.

Compatibility is a basic general requirement of product, material and equipment selections.

1.03 PRODUCT DELIVERY AND STORAGE

A. The CONTRACTOR shall deliver and store the WORK in accordance with manufacturer's written recommendations and by methods and means that will prevent damage, deterioration, and loss including theft. Delivery schedules shall be controlled to minimize long-term storage of products at the Site and overcrowding of construction spaces. In particular, the CONTRACTOR shall ensure coordination to ensure minimum holding or storage times for flammable, hazardous, easily damaged, or sensitive materials to deterioration, theft, and other sources of loss.

1.04 TRANSPORTATION AND HANDLING

A. Products shall be transported by methods to avoid damage and shall be delivered in undamaged condition in manufacturer's unopened containers and packaging.

B. The CONTRACTOR shall provide equipment and personnel to handle products, materials, and equipment by methods to prevent soiling and damage.

C. The CONTRACTOR shall provide additional protection during handling to prevent marring and otherwise damaging products, packaging, and surrounding surfaces.

1.05 STORAGE AND PROTECTION

A. Products shall be stored in accordance with manufacturer's written instructions and with seals and labels intact and legible. Sensitive products shall be stored in weather-tight

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climate controlled enclosures and temperature and humidity ranges shall be maintained within tolerances required by manufacturer's recommendations.

B. For exterior storage of fabricated products, products shall be placed on sloped supports above ground. Products subject to deterioration shall be covered with impervious sheet covering and ventilation shall be provided to avoid condensation.

C. Loose granular materials shall be stored on solid flat surfaces in a well-drained area and shall be prevented from mixing with foreign matter.

D. Storage shall be arranged to provide access for inspection. The CONTRACTOR shall periodically inspect to assure products are undamaged and are maintained under required conditions.

E. Storage shall be arranged in a manner to provide access for maintenance of stored items and for inspection.

1.06 MAINTENANCE OF PRODUCTS IN STORAGE

A. Stored products shall be periodically inspected on a scheduled basis. The CONTRACTOR shall maintain a log of inspections and shall make the log available on request.

B. The CONTRACTOR shall comply with manufacturer's product storage requirements and recommendations.

C. The CONTRACTOR shall maintain manufacturer-required environmental conditions continuously.

D. The CONTRACTOR shall ensure that surfaces of products exposed to the elements are not adversely affected and that weathering of finishes does not occur.

E. For mechanical and electrical equipment, the CONTRACTOR shall provide a copy of the manufacturer's service instructions with each item and the exterior of the package shall contain notice that instructions are included.

F. Products shall be serviced on a regularly scheduled basis, and a log of services shall be maintained and submitted as a record document prior to final acceptance by the OWNER in accordance with the Contract Documents.

1.07 PROPOSED SUBSTITUTIONS OR "OR-EQUAL" ITEM

A. Whenever materials or equipment are indicated in the Contract Documents by using the name of a proprietary item or the name of a particular manufacturer, the naming of the item is intended to establish the type, function, and quality required. If the name is followed by the words "or equal" indicating that a substitution is permitted, materials or equipment of other manufacturers may be accepted if sufficient information is submitted by the CONTRACTOR to allow the ENGINEER to determine that the material or equipment proposed is equivalent or equal to that named, subject to the following requirements:

1. The burden of proof as to the type, function, and quality of any such substitution product, material or equipment shall be upon the CONTRACTOR.

2. The ENGINEER will be the sole judge as to the type, function, and quality of any such substitution and the ENGINEER's decision shall be final.

3. The ENGINEER may require the CONTRACTOR to furnish additional data about the proposed substitution.

4. The OWNER may require the CONTRACTOR to furnish a special performance guarantee or other surety with respect to any substitution.

5. Acceptance by the ENGINEER of a substitution item proposed by the CONTRACTOR shall not relieve the CONTRACTOR of the responsibility for full compliance with the Contract Documents and for adequacy of the substitution.

6. The CONTRACTOR shall pay all costs of implementing accepted substitutions, including redesign and changes to WORK necessary to accommodate the substitution.

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B. The procedure for review by the ENGINEER will include the following:

1. If the CONTRACTOR wishes to provide a substitution item, the CONTRACTOR shall make written application to the ENGINEER on a "Substitution Request Form”, provided by the ENGINEER upon request.

2. Unless otherwise provided by law or authorized in writing by the ENGINEER, the "Substitution Request Form(s)" shall be submitted within the 30-calendar day period after award of the Contract.

3. Wherever a proposed substitution item has not been submitted within said 30-calendar day period, or wherever the submission of a proposed substitution material or equipment has been judged to be unacceptable by the ENGINEER, the CONTRACTOR shall provide the material or equipment indicated in the Contract Documents.

4. The CONTRACTOR shall certify by signing the form that the list of paragraphs on the form are correct for the proposed substitution.

5. The ENGINEER will evaluate each proposed substitution within a reasonable period of time.

6. As applicable, no shop drawing submittals shall be made for a substitution item nor shall any substitution item be ordered, installed, or utilized without the ENGINEER'S prior written acceptance of the CONTRACTOR'S "Substitution Request Form."

7. The ENGINEER will record the time required by the ENGINEER in evaluating substitutions proposed by the CONTRACTOR and in making changes by the CONTRACTOR in the Contract Documents occasioned thereby.

C. The CONTRACTOR’s application shall address the following factors which will be considered by the ENGINEER in evaluating the proposed substitution:

1. Whether the evaluation and acceptance of the proposed substitution will prejudice the

CONTRACTOR's achievement of Substantial Completion on time.

2. Whether acceptance of the substitution for use in the WORK will require a change in any of the Contract Documents to adapt the design to the proposed substitution.

3. Whether incorporation or use of the substitution in connection with the WORK is subject to payment of any license fee or royalty.

4. Whether all variations of the proposed substitution from the items originally specified are identified.

5. Whether available maintenance, repair, and replacement service are indicated. The manufacturer shall have a local service agency (within 150 miles of the site) which maintains properly trained personnel and adequate spare parts and is able to respond and complete repairs within 24 hours.

6. Whether an itemized estimate is inclusive of all costs that will result directly or indirectly from acceptance of such substitution, including cost of redesign and claims of other contractors affected by the resulting change.

7. Whether the proposed substitute item meets or exceeds the experience and/or equivalency requirements listed in the appropriate technical specifications.

D. Without any increase in cost to the OWNER, the CONTRACTOR shall be responsible for and pay all costs in connection with proposed substitutions and of inspections and testing of equipment or materials submitted for review prior to the CONTRACTOR's purchase thereof for incorporation in the WORK, whether or not the ENGINEER accepts the proposed substitution or proposed equipment or material. The CONTRACTOR shall reimburse the OWNER for the charges of the ENGINEER for evaluating each proposed substitution.

PART 2 PRODUCTS (NOT USED)

PART 3 EXECUTION (NOT USED)

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ADMINISTRATIVE

REQUIREMENTS

SECTION 01 30 00 - ADMINISTRATIVE REQUIREMENTS

1.01 SECTION INCLUDES

A. General administrative requirements.

B. Project Coordinator.

C. CONTRACTOR WORK Plans.

D. Preconstruction conference.

E. Site mobilization meeting.

F. Progress meetings.

G. Requests for Interpretation (RFI) procedures.

H. Photographic Documentation

1.02 RELATED REQUIREMENTS

A. Section 01 32 16 - Construction Progress Schedule.

B. Section 01 70 00 - Execution and Closeout Requirements.

1.03 GENERAL ADMINISTRATIVE REQUIREMENTS

A. Comply with requirements of Section 01 70 00 - Execution and Closeout Requirements for coordination required for execution of administrative tasks with timing of construction activities.

1.04 PROJECT COORDINATOR

A. Project Coordinator: CONSTRUCTION MANAGER.

B. Cooperate with the Project Coordinator in allocation of mobilization areas of site, for field offices and sheds, access, traffic, and parking facilities.

C. During construction, coordinate use of site and facilities through the Project Coordinator.

D. Comply with Project Coordinator's procedures for intra-project communications; submittals, reports and records, schedules, coordination drawings, and recommendations; and resolution of ambiguities and conflicts.

E. Comply with instructions of the Project Coordinator for use of temporary utilities and construction facilities.

F. Coordinate field engineering and layout work under instructions of the Project Coordinator.

G. Make the following types of submittals to OWNER and ENGINEER/CONSTRUCTION

MANAGER through the Project Coordinator:

1. Requests for Interpretation.

2. Requests for substitution.

3. Shop drawings, product data, and samples.

4. Test and inspection reports.

5. Design data.

6. Manufacturer's instructions and field reports.

7. Applications for payment and change order requests.

8. Progress schedules.

9. Coordination drawings.

10. Correction Punch List and Final Correction Punch List for Substantial Completion.

11. Closeout submittals.

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1.05 SUBMITTALS

A. Demolition, Excavation (including Fill), and Construction WORK Plans and Sampling and Analysis Coordination.

B. Health and Safety Documentation C. Environmental Mitigation Documentation D. Traffic Control Plan E. Waste Management Plan F. Mobilization Plan G. Construction Quality Control (CQC) Plan H. Decontamination and Demobilization Plan I. Video surveys, photographs, and other data of the pre-construction conditions must be submitted to the ENGINEER/CONSTRUCTION MANAGER for record purposes prior to, but not more than three weeks before, commencement of any construction activities. These items must be provided digitally in a widely acceptable, high resolution, readable format.

J. A complete set of all photographs and survey data of the post-construction conditions must be completed and submitted prior to final inspection by the OWNER and ENGINEER/ CONSTRUCTION MANAGER. These items must be provided digitally in a widely acceptable, readable format, and prints as required by the project documents.

PART 2 PRODUCTS (NOT USED)

PART 3 EXECUTION

3.01 DEMOLITION, EXCAVATION, CONSTRUCTION WORK PLANS AND SAMPLING AND

ANALYSIS COORDINATION.

A. The CONTRACTOR must prepare Construction WORK Plans for each area of work, including transportation practices, indicated in the Contract Documents, and as requested by the ENGINEER/CONSTRUCTION MANAGER. Project tasks and schedules required for each activity.

B. Demolition must be according to a Demolition Plan. Demolition areas are to be frequently watered or sprayed for dust control with water or a biodegradable dust suppressant; used oil or other oils are not acceptable dust suppressants.

C. Excavation must be according to an Excavation Plan. Excavated areas are to be frequently watered or sprayed for dust control with water or a biodegradable dust suppressant; used oil or other oils are not acceptable dust suppressants.

D. Sampling and Analysis Coordination:

1. Excavation Plan must include sampling and analysis coordination with the

ENGINEER/CONSTRUCTION MANAGER for stockpiles and sides and bottoms of sub decision unit excavations.

2. When specified depths are reached, area work must pause for a period up to four (4) weeks for confirmatory sampling and analysis.

E. CONTRACTOR must submit the Demolition, Excavation, and Construction WORK Plans in accordance with Section 01 33 00 within fourteen (14) calendar days of the NTP and at least thirty (30) calendar days before any demobilization.

3.02 HEALTH AND SAFETY

A. The CONTRACTOR must prepare Health and Safety Documentation in accordance with Section 01 35 29 Health and Safety.

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B. CONTRACTOR must submit the Health and Safety Documentation in accordance with Section 01 33 00 within fourteen (14) calendar days of the NTP.

3.03 ENVIRONMENTAL MITIGATION

A. The CONTRACTOR must implement environmental mitigation measures that include erosion and sediment control measures to prevent site erosion and mitigation measures to reduce or eliminate environmental impacts resulting directly or indirectly due to construction activities.

B. The environmental mitigation measures must be implemented in accordance with Section 01 57 13 Environmental Mitigation.

C. CONTRACTOR must submit the environmental mitigation requirements in accordance with Section 01 33 00 within three (3) weeks of the NTP.

3.04 TRAFFIC CONTROL PLAN

A. The CONTRACTOR must prepare a Traffic Control Plan in accordance with Section 01 31 13 Project Coordination.

B. CONTRACTOR must submit the Traffic Control Plan in accordance with Section 01 33 00 within twenty eight (28) calendar days of the NTP.

C. All traffic control signs, barricades, warning lights, devices, methods and measures must comply with the QCVN 41:2019/BGTVT: National Technical Regulation on Traffic Signs and Signals and applicable local regulations. CONTRACTOR is required to submit for approval a traffic control plan including all roadwork, detours, flagging requirements, passing areas, turnarounds, and modifications for construction activities.

3.05 WASTE MANAGEMENT PLAN

A. Waste Management Standards

1. Government Decree on Waste and Scrap Management, 38/2015/ND-CP

2. MONRE Circular on Scrap Recycle and Disposal, 34/2017/TT-BTNMT

3. MONRE Circular on Hazardous Waste Management, 36/2015/TT-BTNMT

4. National Technical Regulation on Hazardous Waste Thresholds, QCVN

07:2009/BTNMT

5. National Technical Regulation on Industrial Wastewater, QCVN 40:2011/BTNMT

6. National Technical Regulation on Domestic Wastewater, QCVN 14:2008/BTNMT

B. The CONTRACTOR must prepare a Waste Management Plan (WMP) that specifies the proper storage, characterization, and disposal of liquid and solid waste generated during Contract implementation in conformance with the above standards. The WMP must address stockpiling, handling and transportation and disposal of all wastes derived during the work such as construction waste, groundwater, drill cuttings, personal protective equipment and other waste. The WMP must include plans for disposal of all construction waste generated by the contractor from mobilization to demobilization.

C. The CONTRACTOR must plan to dispose of all solid wastes resulting from Contract implementation that were present on the Airbase before Contract implementation, including those wastes derived from site clearance and demolition, in an on-base area as shown on the drawings, as directed by the ENGINEER/CONSTRUCTION MANAGER, or to be identified by the CONTRACTOR and approved by Air Defense Air Force Command (ADAFC). All other solid wastes derived from the Contract implementation will be disposed of outside the Airbase in compliance with the standards and regulations specified in the Waste Management Standards. The Contractor must decontaminate and test all waste materials for residual dioxin contamination on a volumetric basis before seeking COR approval for the disposal.

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D. No construction-related materials, wastes, spills or residues shall be discharged from the project site to streets, drainage facilities or adjacent properties by wind or runoff. All debris, junk, and trash must be removed at the end of each day. All materials and/or equipment storage areas where liquid construction materials are placed shall be protected by a physical barrier capable of containing the entire volume of stored liquid materials. During active construction activities, portions of the barrier may be removed for access. However, the barrier materials must be readily accessible for replacement by onsite construction personnel. The barrier must be in place at all times during the absence of Contractor personnel at the storage site.

E. Uncontaminated Construction Debris Disposal Area (UCDDA) as shown on the drawings.

F. Vegetation processing as indicated in Section 31 10 01 - Site Preparation and Clearing G. CONTRACTOR must submit the Waste Management Plan in accordance with Section 01

33 00 within fourteen (14) calendar days of the NTP.

H. Off-site waste disposal approval form must be submitted as needed. Form required 3 weeks in advance of disposal date.

3.06 MOBILIZATION PLAN

A. The CONTRACTOR must prepare a Mobilization Plan in accordance with Section 01 71 13 Mobilization.

B. CONTRACTOR must submit the Mobilization Plan in accordance with Section 01 33 00 within fourteen (14) calendar days of the NTP.

3.07 CONSTRUCTION QUALITY CONTROL PLAN

A. The CONTRACTOR must prepare a Construction Quality Control (CQC) Plan in accordance with Section 01 45 16 - CQC.

B. CONTRACTOR must submit the CQC Plan in accordance with Section 01 33 00 within fourteen (14) calendar days of the NTP.

3.08 DECONTAMINATION AND DEMOBILIZATION PLANS

A. The CONTRACTOR must prepare Decontamination and Demobilization Plans detailing the disposition of personnel, equipment, and materials used during the contract. The Decontamination and Demobilization Plans must describe how personnel and equipment which are in direct contact and/or are exposed to dioxin and/or other contaminants will be decontaminated, the decontamination criteria, the property disposition plan, the phase-out of Contractor operations, and the timetable for completing all required actions in the Decontamination and Demobilization Plan.

B. The CONTRACTOR must install, operate, and maintain personnel and equipment decontamination stations to perform decontamination of personnel and equipment and prevent the spreading of contamination. Stations must be utilized at key locations such that personnel and equipment that has come in contact with contaminated materials are cleaned prior to entering any clean area. The CONTRACTOR must submit to the OWNER or designee for approval a proposed personnel and equipment decontamination plan that presents proposed station locations, clearing procedures, traffic control, and any additional information necessary for implementation.

C. CONTRACTOR must submit the Decontamination and Demobilization Plans in accordance with Section 01 33 00 within three (3) weeks of the NTP. Demobilization Plan must be finalized (1) month prior to any demobilization.

D. Demobilization will include removal of construction facilities, including all utilities, and equipment off the sites and final cleanup of the sites following completion.

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3.09 PRECONSTRUCTION CONFERENCE

A. Prior to the commencement of WORK at the Site, a preconstruction conference will be held at a mutually agreed time and place. The conference must be attended by the CONTRACTOR's Project Manager, its superintendent, and its subcontractors as the CONTRACTOR deems appropriate.

B. Required attendees:

1. OWNER.

2. ENGINEER.

3. CONTRACTOR.

4. CONSTRUCTION MANAGER.

C. CONTRACTOR must bring the Preconstruction Conference submittals in accordance with Section 01 33 00 - Submittal Procedures.

D. The purpose of the conference is to designate responsible personnel and establish a working relationship. Matters requiring coordination will be discussed and procedures for handling such matters established. The complete agenda will be furnished to the CONTRACTOR prior to the meeting date. However, the CONTRACTOR should be prepared to discuss all of the items listed below.

1. Status of CONTRACTOR's insurance and bonds.

2. CONTRACTOR's preliminary schedule.

3. Transmittal, review, and distribution of CONTRACTOR's submittals.

4. Processing applications for payment.

5. Maintaining record documents.

6. Critical work sequencing.

7. Field decisions and Change Orders.

8. Use of Site, office and storage areas, security, housekeeping, and OWNER's needs.

9. Major equipment deliveries and priorities.

10. CONTRACTOR's assignments for safety and first aid.

11. Daily Report Form which the ENGINEER/CONSTRUCTION MANAGER will furnish.

12. Submittal Transmittal Form which the ENGINEER/CONSTRUCTION MANAGER will furnish.

E. The ENGINEER/CONSTRUCTION MANAGER will preside at the preconstruction conference and will arrange for keeping and distributing the minutes to all persons in attendance.

F. The CONTRACTOR and its subcontractors should plan on the conference taking no less than ½ of 1 full working day. The conference will cover the items listed above, and a review of the Drawings and Specifications, in extensive detail, with the ENGINEER/CONSTRUCTION MANAGER and the OWNER.

3.10 SITE MOBILIZATION MEETING

A. ENGINEER or CONSTRUCTION MANAGER will schedule meeting at the Project site prior to CONTRACTOR occupancy.

B. Attendance Required:

1. CONTRACTOR.

2. OWNER.

3. ENGINEER.

4. CONTRACTOR's superintendent.

5. Major subcontractors.

C. Agenda:

1. Use of premises by OWNER and CONTRACTOR.

2. OWNER's requirements.

3. Construction facilities and controls provided by OWNER.

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4. Temporary utilities provided by OWNER.

5. Survey and building layout.

6. Security and housekeeping procedures.

7. Schedules.

8. Application for payment procedures.

9. Procedures for testing.

10. Procedures for maintaining record documents.

11. Requirements for start-up of equipment.

12. Inspection and acceptance of equipment put into service during construction period.

D. Record minutes and distribute copies within two days after meeting to participants, with two copies to ENGINEER/CONSTRUCTION MANAGER, OWNER, participants, and those affected by decisions made.

3.11 PROGRESS MEETINGS

A. The ENGINEER/CONSTRUCTION MANAGER will schedule and hold regular on-Site progress meetings at least bi-weekly and at other times as requested by ENGINEER/CONSTRUCTION MANAGER or as required by progress of the WORK. The CONTRACTOR, ENGINEER/ CONSTRUCTION MANAGER, and all subcontractors active on the Site must attend each meeting. CONTRACTOR may at its discretion request attendance by representatives of its suppliers, manufacturers, and other subcontractors.

B. ENGINEER or CONSTRUCTION MANAGER will make arrangements for meetings, prepare agenda with copies for participants, preside at meetings. The purpose of the meetings is to review the progress of the WORK, maintain coordination of efforts, discuss changes in scheduling, and resolve other problems that may develop. During each meeting, the CONTRACTOR must present any issues that may impact its progress with a view to resolve these issues expeditiously.

C. Attendance Required:

1. CONTRACTOR.

2. OWNER.

3. ENGINEER.

4. CONSTRUCTION MANAGER.

5. CONTRACTOR's superintendent.

6. Major subcontractors.

D. Agenda:

1. Review minutes of previous meetings.

2. Review of outstanding action items.

3. Review of work progress.

4. Field observations, problems, and decisions.

5. Identification of problems that impede, or will impede, planned progress.

6. Review of submittals schedule and status of submittals.

7. Review of RFIs log and status of responses.

8. Maintenance of progress schedule.

9. Corrective measures to regain projected schedules.

10. Planned progress during succeeding work period.

11. Maintenance of quality and work standards.

12. Effect of proposed changes on progress schedule and coordination.

13. Other business relating to work.

E. The ENGINEER/CONSTRUCTION MANAGER will keep and distribute minutes.

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3.12 PRE-WORK MEETINGS

A. The Engineer CONSTRUCTION MANAGER will schedule pre-work meetings at various stages of the WORK at the CONSTRUCTION MANAGER's discretion. Review of WORK plans for transitioning WORK areas and construction elements within WORK areas.

3.13 REQUESTS FOR INTERPRETATION (RFI)

A. Definition: A request seeking one of the following:

1. An interpretation, amplification, or clarification of some requirement of Contract

Documents arising from inability to determine from them the exact material, process, or system to be installed; or when the elements of construction are required to occupy the same space (interference); or when an item of work is described differently at more than one place in Contract Documents.

2. A resolution to an issue which has arisen due to field conditions and affects design intent.

B. Preparation: CONTRACTOR must prepare an RFI immediately upon discovery of a need for interpretation of Contract Documents. Failure to submit a RFI in a timely manner is not a legitimate cause for claiming additional costs or delays in execution of the work.

1. Prepare a separate RFI for each specific item.

a. Review, coordinate, and comment on requests originating with subcontractors and/or materials suppliers.

2. Prepare in a format and with content acceptable to OWNER.

C. Reason for the RFI: Prior to initiation of an RFI, carefully study all Contract Documents to confirm that information sufficient for their interpretation is definitely not included.

1. Include in each request CONTRACTOR's signature attesting to good faith effort to determine from Contract Documents information requiring interpretation.

2. Unacceptable Uses for RFIs: Do not use RFIs to request the following:

a. Approval of submittals (use procedures specified in Section 01 33 00 - Submittal Procedures).

b. Changes that entail change in Contract Time and Contract Sum (comply with provisions of the Conditions of the Contract).

3. Improper RFIs: Requests not prepared in compliance with requirements of this section, and/or missing key information required to render an actionable response. They will be returned without a response, with an explanatory notation.

4. Frivolous RFIs: Requests regarding information that is clearly indicated on, or reasonably inferable from, Contract Documents, with no additional input required to clarify the question. They will be returned without a response, with an explanatory notation.

a. The OWNER reserves the right to assess the CONTRACTOR for the costs (on time-and-materials basis) incurred by the ENGINEER/CONSTRUCTION MANAGER, and any of its consultants, due to processing of such RFIs.

D. Content: Include identifiers necessary for tracking the status of each RFI, and information necessary to provide an actionable response.

1. Official Project name and number, and any additional required identifiers established in Contract Documents.

2. OWNER's, ENGINEER's, CONSTRUCTION MANAGER's and CONTRACTOR's names.

3. Discrete and consecutive RFI number, and descriptive subject/title.

4. Issue date, and requested reply date.

5. Reference to particular Contract Document(s) requiring additional information/interpretation. Identify pertinent drawing and detail number and/or specification section number, title, and paragraph(s).

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6. Annotations: Field dimensions and/or description of conditions which have engendered the request.

7. CONTRACTOR's suggested resolution: A written and/or a graphic solution, to scale, is required in cases where clarification of coordination issues is involved, for example;

routing, clearances, and/or specific locations of work shown diagrammatically in Contract Documents. If applicable, state the likely impact of the suggested resolution on Contract Time or the Contract Sum.

E. Attachments: Include sketches, coordination drawings, descriptions, photos, submittals, and other information necessary to substantiate the reason for the request.

F. Responses: Content of answered RFIs will not constitute in any manner a directive or authorization to perform extra work or delay the project. If in CONTRACTOR's belief it is likely to lead to a change to Contract Sum or Contract Time, promptly issue a notice to this effect, and follow up with an appropriate Change Order request to OWNER.

1. Response may include a request for additional information, in which case the original

RFI will be deemed as having been answered, and an amended one is to be issued forthwith. Identify the amended RFI with an R suffix to the original number.

3.14 PHOTOGRAPHIC DOCUMENTATION

A. CONTRACTOR must provide a competent professional commercial photographer experienced in shooting exterior/interior construction photos, in daylight and nighttime conditions, and in good and inclement weather to take construction record photographs periodically during course of the Work.

B. The CONTRACTOR must conduct thorough pre-construction, construction, and post-construction site conditions surveys of the entire Project. Site conditions surveys must consist of photographs, and video recordings.

C. Photographs and video recordings

1. CONTRACTOR, as a minimum, must document pre- and post-construction conditions by preparing video surveys of the following:

a. Roadways used to access the Site or haul materials and equipment to the Site.

b. Work areas, including actual work sites, materials processing and stockpiling areas, access corridors, disposal areas, and staging areas.

c. Any work completed by other contractors at the Site that will be connected to or otherwise affected by the WORK.

d. Driveways, sidewalks, and buildings which might be affected by the WORK.

e. All adjacent structures including interior, if possible.

2. Supplement video surveys with photographs, as required, to thoroughly document the original condition and location of existing features and facilities.

3. Photograph from location to adequately illustrate condition of construction and state of progress. ENGINEER/CONSTRUCTION MANAGER reserves the right to select subject matter and vantage point from which photographs are to be taken.

a. At successive periods of photography, take at least one photograph from the same overall view as previously.

b. Consult with the ENGINEER/CONSTRUCTION MANAGER at each period of photography for instructions concerning views required.

4. Photos and video records must be provided digitally in a widely acceptable, readable format.

5. For the project site area construction, provide ground photographs with at least six (6) different views each month, taken at each stage of construction, for each scheduled Application for Payment.

6. Digital Photograph Files:

01 30 00 - 9 USAID SECOND INTERIM MEASURES FOR

a. No post-session electronic editing of images is allowed. Stored image must be actual image as captured without cropping or other edits.

b. High resolution photos are required showing fine details of pre-construction, construction, and post-construction conditions.

1) Factual presentation.

2) Every aspect of the site and adjacent properties must be captured.

3) Correct exposure and focus.

4) High resolution and sharpness.

5) Maximum depth-of-field.

6) Minimum distortion.

c. Date and time of capture must be embedded into image.

d. Archive using a commercially available photo management system that provides listing of photographs including date, keyword description, and direction of photograph.

e. The photographer must maintain digital photograph files for a period of the entire project and then must convey the files to the ENGINEER/CONSTRUCTION MANAGER upon substantial completion of project.

f. Photographer must agree to furnish digital files to OWNER and the ENGINEER/ CONSTRUCTION MANAGER. Photographer must also agree to participate as required in any litigation requiring the photographer as an expert witness.

7. Audio-Video Recordings:

a. Prior to beginning the Work on Site or of a particular area of the Work, and again within 10 days following date of Substantial Completion, videograph site and property adjacent to Site.

b. In the case of pre-construction recording, no work must begin in the area prior to ENGINEER/CONSTRUCTION MANAGER's review and approval of content and quality of video for that area.

c. Particular emphasis must be directed to physical condition of existing vegetation, structures, equipment, floors, work areas of existing facilities, and pavements within all areas adjacent to and within all areas of work, inclusive of any rights-of-way or easements, and on Contractor storage and staging areas.

d. Video recording must be by a professional commercial videographer, experienced in shooting exterior and interior construction videos, in both good and inclement weather.

e. Video Format and Quality:

1) Widely acceptable, readable digital format, with sound.

2) Video:

(a) Produce bright, sharp, and clear images with accurate colors, free of distortion and other forms of picture imperfections.

(b) Electronically, and accurately display the month, day, year, and time of day of the recording.

3) Audio:

4) Audio documentation must be done clearly, precisely, and at a moderate pace.

5) Indicate date, project name, and a brief description of the location of recording, including:

(a) Facility name.

(b) Street names or easements.

(c) Addresses of private property.

f. Direction of coverage, including engineering stationing, if applicable.

g. The CONTRACTOR must pay costs for specified photography and files.

01 31 13 - 1 USAID SECOND INTERIM MEASURES FOR

PROJECT

COORDINATION

SECTION 01 31 13 - PROJECT COORDINATION

1.01 THE REQUIREMENT

A. WORK must be scheduled, sequenced, and performed in a manner that minimizes disruption to the operation and maintenance of existing facilities.

B. The CONTRACTOR must incorporate the construction and schedule constraints of this

Section in preparing the construction schedules required under Section 01 32 16 – Construction Progress Schedule. The schedules must include the CONTRACTOR’s activities necessary to satisfy all constraints of the Contract Documents.

1.02 PERMITS

A. The CONTRACTOR must obtain all permits required to perform the WORK.

B. The CONTRACTOR must abide by the conditions of all permits and must obtain proof of satisfaction of conditions from issuers of permits prior to acceptance of the WORK by the

OWNER.

1.03 SCHEDULE CONSTRAINTS

A. General: It is the CONTRACTOR's responsibility to coordinate and plan the construction activities to integrate each schedule constraint into performance of the overall work.

1. The maximum outage time of any facility must be twenty four (24) hours, unless permission for longer outages is obtained from the ENGINEER/CONSTRUCTION

MANAGER.

2. Working hours must be scheduled between 7:00 A.M. and 6:00 P.M., Monday through Friday. Any variation from these periods must be approved by the

ENGINEER/CONSTRUCTION MANAGER.

PART 2 PRODUCTS (NOT USED)

PART 3 EXECUTION

3.01 HIGHWAY LIMITATIONS

A. The CONTRACTOR must make its own investigation of the condition of available public and private roads and of clearances, restrictions, bridge load limits, and other limitations affecting transportation and ingress and egress to the site of the WORK. It must be the CONTRACTOR's responsibility to construct and maintain any haul roads required for its construction operations.

3.02 ACCESS

A. General: Continuous, unobstructed, safe, and adequate pedestrian and vehicular access must be provided to fire hydrants, commercial and industrial establishments, churches, schools, parking lots, service stations, motels, fire and police stations, and hospitals. Safe and adequate public transportation stops and pedestrian crossings at intervals not exceeding 300 feet must be provided. The CONTRACTOR must cooperate with parties involved in the delivery of mail and removal of trash and garbage so as to maintain existing schedules for such services. Vehicular access to residential driveways must be maintained to the property line except when necessary construction precludes such access for reasonable periods of time.

01 31 13 - 2 USAID SECOND INTERIM MEASURES FOR

B. Temporary Bridges: Wherever necessary, to maintain vehicular crossings, the CONTRACTOR must provide suitable temporary bridges or steel plates over unfilled excavations, except in such cases as the CONTRACTOR must secure the written consent of the responsible individuals or authorities to omit such temporary bridges or steel plates, which written consent must be delivered to the ENGINEER/CONSTRUCTION MANAGER prior to excavation. All such bridges or steel plates must be maintained in service until access is provided across the backfilled excavation. Temporary bridges or steel plates for street and highway crossing must conform to the requirements of the authority having jurisdiction in each case, and the CONTRACTOR must adopt designs furnished by said authority for such bridges or steel plates, or must submit designs to said authority for approval, as may be required.

C. Street Use: Nothing herein must be construed to entitle the CONTRACTOR to the exclusive use of any public street, alleyway, or parking area during the performance of the WORK hereunder, and it must conduct its operations to not interfere unnecessarily with the authorized work of utility companies or other agencies in such streets, alleyways, or parking areas. No street must be closed to the public without first obtaining permission of the ENGINEER/ CONSTRUCTION MANAGER and proper governmental authority. Where excavation is being performed in primary streets or highways, one lane in each direction must be kept open to traffic at all times unless otherwise indicated. Toe boards must be provided to retain excavated material if required by the ENGINEER/CONSTRUCTION MANAGER or the agency having jurisdiction over the street or highway. Fire hydrants on or adjacent to the WORK must be kept accessible to fire-fighting equipment at all times.

Temporary provisions must be made by the CONTRACTOR to assure the use of sidewalks and the proper functioning of all gutters, storm drain inlets, and other drainage facilities.

D. Traffic Control: For the protection of traffic in public or private streets and ways, the CONTRACTOR must provide, place, and maintain all necessary barricades, traffic cones, warning signs, lights, and other safety devices in accordance with the requirements of QVCN 41:2019/BGTVT: National Technical Regulation on Traffic Sign and Signals and applicable local regulations. Additionally, reference the "Manual of Uniform Traffic Control Devices, Part 6, Temporary Traffic Control," published by U.S. Department of Transportation, Federal Highway Administration (ANSI D6.1) for traffic control.

1. The CONTRACTOR must take all necessary precautions for the protection of the

WORK and the safety of the public. Barricades and obstructions must be illuminated at night, and all lights must be kept burning from sunset until sunrise. The CONTRACTOR must station such guards or flaggers and must conform to such special safety regulations relating to traffic control as may be required by the public authorities within their respective jurisdictions. Signs, signals, and barricades must conform to the requirements of Subpart G, Part 1926, of the OSHA Safety and Health Standards for Construction.

2. The CONTRACTOR must submit traffic control plan to the ENGINEER/CONSTRUCTION MANAGER and authority having jurisdiction for approval a minimum three (3) weeks from NTP. The authority having jurisdiction must be allowed access to observe these traffic control plans in use and to make any changes as field conditions warrant. Any changes required by the authority having jurisdiction must supersede these plans and be done solely at the CONTRACTOR's expense.

3. The CONTRACTOR must remove traffic control devices when no longer needed, repair all damage caused by installation of the devices, and must remove post settings and backfill the resulting holes to match grade.

4. The CONTRACTOR must plan night work for areas of high traffic.

5. The CONTRACTOR must install passing areas on hauling route as required to perform the WORK.

01 31 13 - 3 USAID SECOND INTERIM MEASURES FOR

E. Temporary Street Closure: If closure of any street is required during construction, the CONTRACTOR must apply in writing to the authority having jurisdiction and any other required agency at least 30 days in advance of the required closure. A Detour and Traffic Control Plan must accompany the application.

F. Temporary Driveway Closure: The CONTRACTOR must notify the owner or occupant (if not owner-occupied) of the closure of the driveways to be closed at least 3 working days prior to the closure. The CONTRACTOR must minimize the inconvenience and minimize the time period that the driveways will be closed. The CONTRACTOR must fully explain to the owner/occupant how long the closure will take and when closure will start.

3.03 CONTRACTOR'S WORK AND STORAGE AREA

A. The OWNER will designate and arrange for the CONTRACTOR's use, a portion of the property adjacent to the WORK for its exclusive use during the term of the Contract as a storage and shop area for its construction operations on the WORK. At completion of WORK, the CONTRACTOR must return this area to its original condition, including grading and landscaping.

B. The CONTRACTOR must make its own arrangements for any necessary off-site storage or shop areas necessary for the proper execution of the WORK.

C. Should the CONTRACTOR find it necessary to use any additional land for its purposes during the construction of the WORK, it must arrange for the use of such lands at its own expense.

3.04 PARKING

A. The CONTRACTOR must direct its employees to park in areas as directed by the OWNER.

B. Traffic and parking areas must be maintained in a sound condition, free of excavated material, construction equipment, mud, and construction materials. The CONTRACTOR must repair breaks, potholes, low areas which collect standing water, and other deficiencies.

01 32 16 - 1 USAID SECOND INTERIM MEASURES FOR

CONSTRUCTION

PROGRESS SCHEDULE

SECTION 01 32 16 - CONSTRUCTION PROGRESS SCHEDULE

1.01 SECTION INCLUDES

A. Construction progress schedule.

1.02 RELATED SECTIONS

A. Section 01 33 00 - Submittal Procedures.

1.03 SUBMITTALS

A. Within 10 days of the Notice to Proceed, submit preliminary schedule.

B. If preliminary schedule requires revision after review, submit revised schedule within 10 days.

C. Submit Construction Progress Schedule monthly with each Application for Payment.

D. Submit in native and PDF format.

E. Submit under transmittal letter.

F. Submit Narrative Progress Report.

G. Number of copies as required by CONSTRUCTION MANAGER.

H. Scheduler qualifications

1.04 QUALITY ASSURANCE

A. Scheduler: CONTRACTOR's personnel or specialist Consultant specializing in CPM scheduling with three years minimum experience in scheduling construction work of a complexity comparable to this Project and having use of computer facilities capable of delivering a detailed graphic printout within 48 hours of request.

1.05 SCHEDULE FORMAT

A. Listings: In chronological order according to the start date for each activity.

B. Scale and Spacing: To allow for notations and revisions.

C. Schedule software: Submit with Preliminary Progress Schedule software application proposed for use in developing and maintaining the construction progress schedule.

Acceptable software is Primavera P6 (current version), or equivalent. A proposed equivalent must be supported by detailed documentation verifying capability of the proposed software. Should the ENGINEER/ CONSTRUCTION MANAGER not have the proposed software for evaluation and use purposes, the CONTRACTOR must provide appropriate copies and licenses necessary for the ENGINEER/CONSTRUCTION MANAGER to effectively evaluate and implement the software. Said copies/licenses will be returned to the CONTRACTOR upon completion of the Work.

PART 2 PRODUCTS (NOT USED)

3.01 CONTENT

A. Show complete sequence of construction by activity, with dates for beginning and completion of each element of construction.

B. Coordinate content with schedule of values specified in the Invitation for Bids

(IFB).

01 32 16 - 2 USAID SECOND INTERIM MEASURES FOR

C. Identify work of separate stages and other logically grouped activities.

D. Provide sub-schedules for each stage of Work identified in the IFB.

E. Provide sub-schedules to define critical portions of the entire schedule.

F. Show accumulated percentage of completion of each item, and total percentage of Work completed, as of the first day of each month.

G. Provide legend for symbols and abbreviations used.

H. Include a separate bar for each major portion of Work or operation.

I. Identify the first work day of each week J. Provide separate schedule of submittal dates for shop drawings, product data, and samples, owner-furnished products, products identified under Allowances, and dates reviewed submittals will be required from ENGINEER/CONSTRUCTION MANAGER.

3.02 NETWORK ANALYSIS

A. Prepare network analysis diagrams and supporting mathematical analyses using the Critical Path Method.

B. Illustrate order and interdependence of activities and sequence of work; how start of a given activity depends on completion of preceding activities, and how completion of the activity may restrain start of subsequent activities.

C. Mathematical Analysis: Tabulate each activity of detailed network diagrams, using calendar dates, and identify for each activity:

1. Preceding and following event numbers.

2. Activity description.

3. Estimated duration of activity, in maximum 15 calendar day intervals.

4. Earliest start date.

5. Earliest finish date.

6. Actual start date.

7. Actual finish date.

8. Latest start date.

9. Latest finish date.

10. Total and free float; float time must accrue to OWNER and to OWNER's benefit.

11. Monetary…