Rehabilitate_FOWA_Comfort_Stations.pdf

NATIONAL PARK SERVICE

NACE / FOWA 213754

February 2016

U.S. DEPARTMENT OF THE INTERIOR

NATIONAL CAPITAL REGION

WASHINGTON, DC

Rehabilitate Fort Washington Park Comfort Stations

Specifications

National Park Service

National Capital Region Office (NCRO) 1100 Ohio Drive, SW

Washington, DC

February 26, 2016 NPS File Photo of Picnic Area B-1 Comfort Station

Prepared by:

National Park Service National Capital Region

Division of Lands, Planning & Design Washington, DC

FOWA 213754

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TABLE OF CONTENTS

SPECIFICATIONS - TABLE OF CONTENTS

DIVISION 1 – GENERAL REQUIREMENTS

011000 SUMMARY

013300 SUBMITTAL PROCEDURES

013310 NPS TRANSMITTAL FORM

015000 TEMPORARY FACILITIES AND CONTROLS

016000 CUTTING AND PATCHING

017419 CONSTRUCTION WASTE MANAGEMENT AND DISPOSAL

017700 CLOSEOUT PROCEDURES

DIVISION 2 – EXISTING CONDITIONS

024119 SELECTIVE DEMOLITION

DIVISION 3 – CONCRETE

036100 CEMENTITIOUS GROUTING

DIVISION 4 – MASONRY

042113 BRICK MASONRY

DIVISION 6 – WOOD, PLASTICS, AND COMPOSITES

061053 ROUGH CARPENTRY

062013 EXTERIOR FINISH CARPENTRY

062023 INTERIOR FINISH CARPENTRY

DIVISION 7 – THERMAL AND MOISTURE PROTECTION

073113 ASPHALT SHINGLES (Bid Alternate 2)

076200 SHEET METAL FLASHING AND TRIM

077123 MANUFACTURED GUTTERS AND DOWNSPOUTS

079200 JOINT SEALANTS

DIVISION 8 – OPENINGS

083113 METAL DOORS AND FRAMES

086200 UNIT SKYLIGHTS (Bid Alternate 2)

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TABLE OF CONTENTS

DIVISION 9 – FINISHES

092900 GYPSUM BOARD

096723 RESINOUS FLOORING

099113 EXTERIOR PAINTING

099123 INTERIOR PAINTING

DIVISION 10 – SPECIALTIES

102113 TOILET COMPARTMENTS

102800 TOILET AND BATH ACCESSORIES – Hand Dryers (Bid Alternate 1)

DIVISION 26 – ELECTRICAL

260500 COMMON WORK RESULTS FOR ELECTRICAL

262726 WIRING DEVICES (Bid Alternate 1)

02/2016

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SUMMARY

SECTION 011000 – SUMMARY

PART 1 - GENERAL

1.1 RELATED DOCUMENTS

A. Drawings and general provisions of the Contract, and other Division 1 Specification Sections, apply to this Section.

1.2 DESCRIPTION: This section covers the following:

A. Location and Description of Work

B. Coordination

C. Project Meetings

D. Construction Facilities and Temporary Controls

E. Materials and Equipment

F. Quality Requirements

G. Accident Prevention

H. Work under other Contracts

1.3 LOCATION AND DESCRIPTION OF WORK

A. The work of this contract is located at: Fort Washington Park, 13551 Fort Washington Road Fort Washington, Maryland 20744 (Prince Georges County).

B. The work of this contract consists of general rehabilitation of 6 existing comfort stations located within the park at different park sites serving picnic areas. Work includes, but is not limited to the following, as detailed in the specification sections, Work Items Matrix, photo notations and drawing diagrams:

1. Pressure Wash Buildings: Interior & Exterior.

2. Clean Gutters & Downspouts (Minor Repairs).

3. Remove Exterior Wood Privacy Screens.

4. Perform Minor Masonry Repairs (Replace Missing Bricks at Wings Walls).

5. Paint Interior & Exterior incl. Doors & Trim.

6. Remove Old; Furnish & Install New Doors & Frames (Paint Doors & Trim).

7. Skim Coat Walls and Ceilings; Patch and Paint.

8. Remove, Clean, Paint & Reset Protective Window Grilles.

9. Prep and Install New Floor Coating & Cove Base.

10. Furnish & Install New Soffits & Rake Boards.

11. Furnish & Install New Gutters & Downspouts.

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12. Remove Old; Furnish & Install New Toilet Partitions.

13. Furnish & Install New Hand Dryers (Bid Alternative 1).

14. Furnish & Install New Exhaust Fans and Exterior Louvers (Bid Alternative 1).

15. Tear Off Old; Install New Roofing (Bid Alternative 2).

16. Furnish & Install New Skylights (Bid Alternative 2).

1.4 WORK RESTRICTIONS

A. There will be no construction on Federal Holidays unless express written approval is obtained in advance from the COR.

On-Site Work Hours: Limit work on site and in the building to normal business working hours of 7 a.m. to 4 p.m., Monday through Friday, unless otherwise indicated and approved in advance by the COR.

B. Work shall be phased to minimize disruption to building occupants and operation. Phasing schedule shall be coordinated with the park, COR and event schedules.

C. Contractor shall limit loading and unloading of equipment and materials and perform this task in an efficient, safe manner, subject to COR approved schedule.

1.5 COORDINATION

A. Full Occupancy: The comfort stations will be occupied during entire construction period.

Periodic closures for specific work items are allowable by approved schedule only. Perform the Work so as not to interfere with day-to-day operations. Maintain existing entrances/exits at all times unless written approval is obtained in advance from the COR.

1. Maintain access to existing walkways, and other adjacent occupied or used facilities. Do not close or obstruct walkways, corridors, or other occupied or used facilities without written approval from the COR.

2. Notify COR not less than 72 hours in advance of activities that will affect the building’s occupancy and operations.

B. Project involves coordinating work daily with COR and Building Facilities staff. Contractor shall to provide safe working conditions for all contractor’s workers, park staff and the general public.

C. Contractor shall be responsible for all damages to persons or property that occurs as a result of the Contractor’s work. The Contractor shall take proper safety and health precautions to protect workers, the public and property of others.

D. Coordinate construction operations included in various sections of these specifications to assure efficient and orderly connection, operation and installation of each part of the work.

1. Schedule construction operations in the sequence required to obtain the best results where installation of one part of the work depends on installation of other components, before or after its own installation.

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2. Coordinate installation of different components to assure maximum accessibility for required maintenance, service, and repair.

3. Make provisions to accommodate items scheduled to be installed later.

E. Administrative Procedures: Coordinate scheduling and timing of required administrative procedures with other construction activities to avoid conflicts and assure orderly progress of the work. Such administrative activities include, but are not limited to, the following:

1. Preparation of contractor’s construction schedule.

2. Preparation of contractor’s material submittals.

3. Installation and removal of temporary facilities.

4. Attending progress meetings.

5. Ensuring timely project closeout activities.

1.6 PROJECT MEETINGS

A. General: Contracting Officer’s Representative (COR) will schedule and conduct meetings and conferences at project site, unless otherwise indicated.

1. Attendees: Authorized representatives of NPS Facilities staff; Contractor and its superintendent; major subcontractors; manufacturers; suppliers; and other concerned parties shall attend the conference shall be familiar with project and authorized to coordinate matters relating to work progress.

B. Pre-Construction Conference: COR will schedule a Pre-Construction Conference before starting construction, at a time convenient to park staff and contractor. The conference will be held at project site or another convenient location.

1. Agenda: Subjects to be discussed will include the following:

a. Phasing schedule and coordination for required installations to minimize disruption to building operations.

b. Correspondence – General Procedure.

c. Contracting Officer’s Authorized Representative.

d. Changes.

e. Submittals for Approval (General).

f. Submittals for Approval (Shop Drawings and Samples).

g. Subcontractors.

h. Labor Standards.

i. Payroll Reports.

j. Saturdays, Sundays, Holidays and Night Work.

k. Payments to Contractor.

l. Accident Prevention.

m. Plans and Specifications.

n. Park Rules and Regulations.

o. Liquidated Damages - Construction.

p. Construction schedule.

q. Parking availability.

r. Office, work, and storage areas.

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s. Equipment deliveries and priorities.

t. Progress cleaning.

C. Pre-Installation Conferences: If required, conduct a pre-installation conference at project site before each construction activity that requires coordination with other construction.

D. Progress Meetings: If necessary, the COR will schedule and conduct progress meetings at designated intervals. Coordinate dates of meetings with preparation of payment requests.

1. Progress meetings will occur weekly for the duration of construction activities.

1.7 TEMPORARY FACILITIES AND CONTROLS (See Section 015000)

A. References:

1. FAR Clause: 52.236-9 – Protection of Existing Vegetation, Structures, Equipment, Utilities, and Improvements

2. FAR Clause: 52.236-10 – Operations and Storage Areas

3. FAR Clause: 52.236-14 – Availability and Use of Utility Services

1.8 MATERIALS AND EQUIPMENT

A. Reference: FAR Clause: 52.236-5 – Material and Workmanship

1.9 QUALITY REQUIREMENTS

A. Testing and inspecting services may be required to verify compliance with requirements specified or indicated. These services do not relieve the Contractor of responsibility for compliance with the Contract requirements.

1. Specific quality-control requirements for individual construction activities as specified in the Sections may also cover production of standard products.

2. Requirements for Contractor to provide quality-control services as directed by the COR are not limited by provisions of this Section.

B. Submittals

1. Shop Drawings, Product Data, and other required submittals or both a technical and administrative nature.

2. As-Built: Contractor shall provide as-built drawings identifying approved changes in red, permanent marker pen.

C. Quality Assurance

1. Fabricator Qualification: A firm experienced in producing products similar to those indicated for this Project and with a record of successful in-service performance, as well as sufficient production capability to produce required units.

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2. Factory-Authorized Service Representative Qualifications: An authorized representative of manufacturer who is trained and approved manufacturer to inspect installation of manufacturer’s products that are similar in material, design, and extent to those indicated for this Project.

3. Installer Qualifications: A firm or individual experienced in installing, erecting, or assembling work similar in material, design, and extent to that indicated for this Project, whose work has resulted in construction with a record of successful in-service performance.

4. Manufacturer Qualifications: A firm experienced in manufacturing products or systems similar to those indicated for this Project and with a record of successful in-service performance.

5. Professional Engineer Qualifications (when required): A professional engineer who is legally qualified to practice in jurisdiction where Project is located and who is experienced in providing engineering services of the kind indicated. Engineering services are defined as those performed for installations of the system, assembly, or products that are similar to those indicated for this Project in material design, and extent.

6. Specialists: Certain sections of the Specifications require that specific construction activities shall be performed by entities that are recognized experts in those operations. Specialists shall satisfy qualification requirements indicated and shall be engaged for the activities indicated.

D. Quality Control

1. Contractor Responsibilities: Unless otherwise indicated, provide quality-control services specified and required by these contract documents.

a. Contractor shall engage a qualified-independent testing agency to perform these quality-control services.

2. Manufacturer’s Field Services: Where indicated, engage a factory authorized service representative to inspect field-assembled components and equipment installation, including service connections. Report results in writing.

3. Coordination: Coordinate sequence of activities to accommodate required quality-assurance and quality-control services with a minimum of delay and to avoid necessity of removing and replacing construction of accommodate testing and inspecting.

1.10 ACCIDENT PREVENTION

A. Reference: FAR Clause: 52.236-13 Alt. I – Accident Prevention (Nov. 1991) – Alternate I

1.11 WORK UNDER OTHER CONTRACTS

A. General: Cooperate fully with separate contractors so work on those contracts may be carried out smoothly, without interfering with or delaying work under this Contract. Coordinate the Work of this Contract with work performed under separate contracts.

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PART 2 - PRODUCTS (Not Applicable)

PART 3 - EXECUTION (Not Applicable)

END OF SECTION 011000

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SUBMITTAL PROCEDURES

SECTION 013300 – SUBMITTAL PROCEDURES

1.1 RELATED DOCUMENTS

A. Drawings and general provisions of the Contract, and other Specification Sections, apply to this Section.

1.2 SUMMARY

A. This Section includes administrative and procedural requirements for submittals required for performance of the Work, including the following:

1. Staff Names

2. Contractor's Construction Schedule

3. Quality Assurance Reports

4. Shop Drawings

5. Product Data

6. Samples

7. List of Subcontractors

B. Related Sections: The following Sections contain requirements that relate to this Section:

1.. Division 1 Section 017700 " Closeout Procedures" specifies requirements for submittal of Inspection and Test Reports, Project Record Documents, Operations & Maintenance Manuals and warranties at project closeout.

1.3 SUBMITTAL PROCEDURES

A. Coordination: Coordinate preparation and processing of submittals with performance of construction activities. Transmit each submittal sufficiently in advance of performance of related construction activities to avoid delay.

1. Coordinate transmittal of different types of submittals for related elements of the Work so processing will not be delayed by the need to review submittals concurrently for coordination.

a. The COR reserves the right to withhold action on a submittal requiring coordination with other submittals until all related submittals are received.

2. Processing: To avoid the need to delay installation as a result of the time required to process submittals, allow sufficient time for submittal review, including time for re-submittals.

a. Allow 2 weeks for initial review. Allow additional time if the COR must delay processing to permit coordination with subsequent submittals.

b. If rejected, allow 2 weeks for reprocessing each submittal.

c. No extension of Contract Time will be authorized because of failure to transmit submittals to the

Contracting Officer sufficiently in advance of the Work to permit processing.

B. Submittal Transmittal: Package each submittal appropriately for transmittal and handling. Transmit each submittal from the Contractor to the COR using attached NPS Transmittal Form. The COR will not accept submittals received from sources other than the Contractor.

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1. On the transmittal, record relevant information and requests for data. On the form, or separate sheet, record deviations from Contract Document requirements, including variations and limitations.

Include Contractor's certification that information complies with Contract Document requirements.

2. Transmittal Form: Use the sample form at the end of this Section for transmittal of submittals.

1.4 STAFF NAMES

A. No less than seven days prior to of commencement of construction operations, submit a list of the contractor’s principal staff assignments, including the superintendent and other personnel in attendance at the project site. Identify individuals and their duties and responsibilities. List their addresses and telephone numbers.

1.5 CONTRACTOR'S CONSTRUCTION SCHEDULE

A. Bar-Chart Schedule: Prepare a fully developed, horizontal bar-chart-type, contractor's construction schedule. Submit no less than 7 calendar days prior to commencement of work as mutually agreed and stated in the Notice To Proceed.

1. Provide a separate time bar for each significant construction activity.

2. Provide a continuous vertical line to identify the first working day of each week.

3. Schedule Updating: Revise the Schedule immediately after each meeting or other activity where revisions have been recognized or made.

4. Provide schedule in format: Microsoft Project or compatible file.

5. Submit THREE (3) paper copies and submit 1 electronic copy to the COR.

1.6 QUALITY ASSURANCE REPORTS

A. Submit quality-control submittals, including design data, certifications, manufacturer's instructions, manufacturer's field reports, and other quality-control submittals as required under other Sections of the Specifications.

B. Certifications: Where other Sections of the Specifications require certification that a product, material, or installation complies with specified requirements, submit a notarized certification from the manufacturer certifying compliance with specified requirements.

1. Signature: Certification shall be signed by an officer of the manufacturer or other individual authorized to sign documents on behalf of the company.

1.7 SHOP DRAWINGS

A. Submit newly prepared information drawn accurately to scale. Highlight, encircle, or otherwise indicate deviations from the Contract Documents. Do not reproduce Contract Documents or copy standard information as the basis of Shop Drawings. Standard information prepared without specific details or reference to the Project is not a Shop Drawing.

B. Shop Drawings include fabrication and installation Drawings, setting diagrams, schedules, patterns, templates and similar Drawings. Include the following information:

2. Dimensions.

3. Identification of products and materials included by sheet and detail number.

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4. Compliance with specified standards.

5. Notation of coordination requirements.

6. Notation of dimensions established by field measurement.

7. Sheet Size: Except for templates, patterns and similar full-size Drawings, submit Shop Drawings on sheets at least 8-1/2 by 11 inches (215 by 280 mm) but no larger than 36 by 48 inches (890 by 1220 mm).

8. Submit three (3) blue- or black-line prints. The COR will retain two prints and return the remainder.

Submit shop drawings as a single file in Adobe Acrobat (.PDF) format on a labeled CD.

8. Do not use Shop Drawings without an appropriate final stamp indicating action taken by the COR.

1.8 PRODUCT DATA

A. Collect Product Data into a single submittal for each element of construction or system. Product Data includes printed information, such as manufacturer's installation instructions, catalog cuts, standard color charts, roughing-in diagrams and templates, standard wiring diagrams, and performance curves.

1. Mark each copy to show applicable choices and options. Where printed Product Data includes information on several products that are not required, mark copies to indicate the applicable information. Include the following information:

a. Manufacturer's printed recommendations.

b. Compliance with trade association standards.

c. Compliance with recognized testing agency standards.

d. Application of testing agency labels and seals.

e. Notation of dimensions verified by field measurement.

f. Notation of coordination requirements.

2. Do not submit Product Data until compliance with requirements of the Contract Documents has been confirmed.

3. Submittals: Submit 5 copies of each required submittal. The COR will return two copies marked with action taken and corrections or modifications required.

a. Do not proceed with installation until a copy of Product Data is in the Installer's possession.

b. Do not permit use of unmarked copies of Product Data in connection with construction.

1.9 SAMPLES

A. Submit full-size, fully fabricated Samples cured and finished, as specified, and physically identical with the material or product proposed. Samples include partial sections of manufactured or fabricated components, cuts or containers of materials, color range sets, and swatches showing color, texture, and pattern.

1. Mount or display Samples in the manner to facilitate review of qualities indicated. Prepare

Samples to match the Government’s sample. Include the following:

a. Specification Section numbers and reference.

b. Generic description of the Sample.

c. Sample source.

d. Product name or name of the manufacturer.

e. Compliance with recognized standards.

f. Availability and delivery time.

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2. Submit Samples for review of size, kind, color, pattern, and texture. Submit samples for a final check of these characteristics with other elements and a comparison of these characteristics between the final submittal and the actual component as delivered and installed.

a. Where variation in color, pattern, texture, or other characteristic is inherent in the material or product represented, submit at least 3 multiple units that show approximate limits of the variations.

b. Samples shall illustrate workmanship, fabrication techniques, and details of assembly, connections, operation, and similar construction characteristics.

c. On the transmittal, indicate special requests regarding disposition of Sample submittals.

Samples not incorporated into the Work, or otherwise designated as the Owner's property, are the property of the Contractor and shall be removed from the site prior to Substantial Completion.

3. Submittals: Except for Samples illustrating assembly details, workmanship, fabrication techniques, connections, operation, and similar characteristics, submit 3 sets. The COR will return one set marked with the action taken.

4. Maintain sets of Samples, as returned, at the Project Site, for quality comparisons throughout the course of construction.

1.10 CONTRACTING OFFICER’S ACTION

A. Except for submittals for the record or information, where action and return is required, the Contracting

Officer, by delegation to the Contracting Officer’s Representative (COR) will review each submittal, mark to indicate action taken, and return promptly.

1. Compliance with specified characteristics is the Contractor's responsibility.

B. Action Stamp: Each submittal will receive a uniform, action stamp. The COR will mark the stamp appropriately to indicate the action taken, as follows:

1. Approved: When the COR marks a submittal "Approved," the Work covered by the submittal may proceed provided it complies with requirements of the Contract Documents. Final payment depends on that compliance.

2. Approved As Noted: When the COR marks a submittal "Approved as Noted," the Work covered by the submittal may proceed provided it complies with notations or corrections on the submittal and requirements of the Contract Documents. Final payment depends on that compliance.

3. Disapproved, Resubmit: When the COR marks a submittal "Disapproved Resubmit," do not proceed with Work covered by the submittal, including purchasing, fabrication, delivery, or other activity. Revise or prepare a new submittal according to the notations; resubmit without delay.

Repeat if necessary to obtain different action mark.

a. Do not use, or allow others to use, submittals marked "Disapproved Resubmit" at the Project

Site or elsewhere where Work is in progress.

PART 3 - EXECUTION (Not Applicable)

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END OF SECTION 013300

TRANSMITTAL - NATIONAL PARK SERVICE

Transmittal No.:

Sheet: 1 of:

Park: Fort Washington Park

Project: Project: Rehab Fort Washington

Contract No.:

PMIS. No.: 213754

Date:

Contractor:

Subcontractor/Supplier:

NPS ACTION

Specification Section No.

Description of Item (Size, Type, Name, Manufacturer, Use, Etc.)

Contractor Signature

Recommended by

Title, Date

Title

Date

I hereby certify that this submittal has been reviewed for accuracy, completeness, and compliance with contract requirements per the General Provisions (FAR 42.236-21)

Review Comments

Action By

Date

Contracting Officer’s Representative

Approval of this submittal is subject to the provisions of the contract drawings and specifications. This action is for general concurrence only and the Government is not responsible for errors or omission.

SUBMITTAL LOG DATES: From contractor [__________], To reviewer [__________], From reviewer [__________], To Contractor [__________] Distribution: ( ) Contractor ( ) DSC File ( ) COR ( ) A/E ( ) DSC Interim ( ) COR Interim ( ) Contractor Interim

DSC-1(CS) Rev. 11/95 013310 - 1

TRANSMITTAL CONTINUATION - NATIONAL PARK SERVICE Transmittal No.:

Sheet: 2 of:

Park: Fort Washington Park

Project: Project: Rehab Fort Washington

Contract No.:

PMIS.No.:

213754

Date:

Contractor:

Subcontractor/Supplier:

Specification Section No.

Description of Item (Size, Type, Name, Manufacturer, Use, Etc.)

Review Comments

DSC-1(CS) Rev. 11/95

013310 - 2

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TEMPORARY FACILITIES AND CONTROLS

SECTION 015000 - TEMPORARY FACILITIES AND CONTROLS

PART 1- GENERAL

1 .1 DESCRIPTION

A. The work of this section consists of providing temporary services, facilities and controls.

B. Work also consists of furnishing, installing, and maintaining barriers to protect existing facilities from construction operations.

1 .2 SUBMITTALS

A. As specified in Section 013300.

PART 2- PRODUCTS

2 .1 GENERAL

A. Material may be new or used, but shall be suitable for intended purpose. Fences and barriers shall be structurally adequate and neat in appearance.

1. Fences and Barriers shall be COR approved.

2 .2 BARRIER TAPE

A. Banner Guard, imprinted with "CAUTION: CONSTRUCTION AREA", manufactured by Reef Industries, Inc., Houston, Texas, or approved equal

PART 3- EXECUTION

3 .1 BARRIERS

A. Protection of Public: Fence, barricade, or otherwise block off the immediate work area to prevent unauthorized entry.

B. Barrier Tape: Install where directed by COR. Keep a minimum of two rolls on site at all times.

C. Removal: Completely remove barriers no longer needed when approved by COR.

3 .2 CONTRACTOR'S USE OF PREMISES

A. Coordinate with the COR in performing the work of this contract and the use of premises.

B. For sites where electricity is available, Government will pay cost of electricity used.

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C. Provide and maintain adequate approved facilities, as required for safety and construction requirements, during progress of the work. Provide ample clearance around heaters and vent connections to prevent ignition of combustible material.

D. SANITARY FACILITIES:

1. In the event that existing facilities cannot be utilized, Contractor shall provide and maintain temporary toilet facilities in accordance with the State or local Health Department and National Park Service requirements.

2. Temporary toilet facilities shall be sufficiently sturdy, lighted, ventilated, weatherproof portable chemical toilet.

3. Place in approved locations secluded from public observation and convenient to work stations. Location to be approved by COR.

4. Relocate, as work progress requires.

5. Maintain and clean toilet facilities at least weekly.

6. Completely remove sanitary facilities on completion of work.

7. If permitted by the COR, existing facilities located at the Visitor Center may be utilized by the contractor during construction.

E. WATER:

1. For sites where potable water for construction is available, verify location for water hook up with COR. Contractor shall furnish all connections, temporary hook ups, and extensions. Government will pay costs for water used.

2. Contractor shall provide cool potable water for construction personnel and place in appropriate work locations for safe and convenient access.

F. Smoking is prohibited in the Work areas. Smoke only in a designated, approved area, kept clean at all times by the Contractor.

G. No telephone service is available on site for Contractor’s use.

H. Interruption of Existing Services: The Contractor shall not interrupt existing services without prior review and approval in writing from the COR. Temporary interruption of service shall not exceed 2 hours without written and approved 48-hour notice.

I. Work Areas: The Contractor shall confine all operations to as small a space as required to complete the Work. The Contractor shall not change approved Work Areas without prior review by the COR.

J. Preservation of Historic Features: Confine all operations to the work limits of the project.

Protect and prevent damage to historic features, finishes and surroundings. Restore damaged areas, repairing or replacing damaged materials at no additional expense to the government.

1. Provide temporary barriers to protect existing materials.

2. Do not fasten ropes, cables, or guys to existing structure, features, or finished.

3. Carefully supervise construction operations near the historic structure, features and finishes to prevent damage.

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K. Preservation of Natural Features: Confine all operations to work limits of the project. Prevent damage to natural surroundings. Restore damaged areas, repairing or replacing damaged trees and plants, at no additional expense to the Government.

1. Provide temporary barriers to protect existing trees and plants and root zones.

2. Do not remove, injure, damage or destroy trees or other plants without prior approval from the COR.

3. Do not fasten ropes, cables, or guys to existing trees or other plants.

4. Carefully supervise construction operations near trees and other plants to prevent damage.

L. Conduct of Operations: No signs or advertisements shall be displayed on the construction site or within the park except with approval of the COR.

3 .3 CONSTRUCTION PARKING

A. Parking areas are designated by signs located within the parking lot, immediately adjacent to the Headquarters building. Do not park where official vehicle parking is indicated.

B. Control vehicular parking to preclude interference with Government operations or construction operations. Prohibit parking on or adjacent to access roads or in non-designated areas.

3 .4 ENVIRONMENTAL CONTROLS

A. Take all necessary reasonable measures to reduce air and water pollution by any material or equipment used during construction.

B. Housekeeping and Rubbish Removal:

1. Keep project area neat, orderly, and in a safe condition at all times.

2. Provide refuse containers for collecting construction waste and debris. Provide individually marked containers for recycling personal items, such as aluminum cans, newspapers, glass, plastic, corrugated cardboard, etc. Recycling is highly encouraged, but not mandatory.

3. Location of container(s) larger than one cubic yard shall be proposed by the Contractor for review by COR. Contractor shall propose location(s) for container(s) to COR.

Containers shall not be delivered to site until the location(s) is approved by COR.

4. Do not use National Park Service containers for collection or disposal of waste and trash resulting from Work. The Contractor shall remove all work and personally generated trash on a daily basis from the work areas.

5. Unless otherwise specified, refuse becomes the property of the Contractor and shall be disposed of outside the Park. Remove all debris and hazardous materials daily from the project site and take to a legal dumping area authorized to receive such materials.

6. All hazardous waste and materials shall be handled and disposed of in a proper and legal manner. Keep volatile wastes in covered containers.

7. The Contractor shall comply will all legal load regulations in the hauling of materials on public roads beyond the limits of the project site. Obtain information regarding rules and regulations for vehicular traffic and commercial vehicles from the State Department of Transportation.

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C. Dust Control:

1. Provide positive methods and apply dust control materials to minimize raising dust from construction operations, and provide positive means to prevent air-borne dust from dispersing into the atmosphere.

2. Wet down dry materials and rubbish to prevent blowing dust.

D. Pollution Control

1. Provide methods, means and facilities required to prevent contamination of soil, water or atmosphere by the discharge of noxious substances from construction operations.

2. Provide equipment and personnel to perform emergency measures required to contain any spillage, and to remove contaminated soils or liquids.

3. Take special measures to prevent harmful substances from entering public waters.

a. Prevent disposal of wastes, effluents, chemicals, volatile wastes, oils or other such substances in sanitary or storm sewers.

4. Provide systems for control of atmospheric pollutants.

a. Prevent toxic concentrations of chemicals.

b. Prevent harmful dispersal of pollutants into the atmosphere.

3 .5 Product DELIVERY, STORAGE AND HANDLING

A. Delivery:

1. Deliver materials in undamaged condition, in manufacturer’s original sealed and labeled containers or packaging, with identifying labels intact and legible. Promptly inspect products, record shortages, and damaged or defective items.

2. Deliver materials in quantities required to allow for continuity of application, to minimize required storage and potential for inadvertent damage.

3. Coordinate delivery location and time with COR. Designate delivery dates for each product in the construction schedule. Materials requiring COR’s review shall not be delivered to project site until approved. Contractor’s workers shall be available to receive and unload materials and equipment delivered to site. No materials or equipment shall be delivered to site unless workers are available.

B. Storage:

1. Coordinate storage locations, number and size of storage facilities with COR. Structures shall be located to avoid interference with Work and Park operations. Move any stored products or storage facilities, under Contractor’s control, which interfere with operations of the Government or as required by progress of work with approval of COR.

2. Provide temporary sheds or other covered facilities for storage of materials subject to weather damage. If necessary, obtain and pay for the use of additional storage or work areas needed for operations.

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3. Contractor shall assume full responsibility for the protection and safe keeping of products, materials, and equipment stored on the site under this contract.

4. Store materials out of direct exposure to the elements. Store products up off the ground on blocking or skids. Store all materials in accordance with manufacturer’s recommendations with seals and labels accessible for inspection. Cover all materials subject to damage or deterioration with impervious sheet coverings; provide adequate ventilation to avoid condensation.

5. Store loose granular materials in a well-drained area on solid surfaces to prevent mixing with foreign matter.

6. Storage areas shall be left clean after completion of Work and all areas restored to their conditions at commencement of Work to satisfaction of the COR.

C. Damaged Material: Any materials that are found to be damaged or stored in any manner other than stated above will be automatically rejected, removed and replaced at the Contractor’s expense.

D. Protection after Installation: Provide adequate coverings as necessary to protect installed materials from damage resulting from natural elements, traffic, & subsequent construction.

Remove protective coverings when no longer needed.

E. Hauling Restrictions: Comply with all legal load restrictions in the hauling of materials. Load restrictions on park roads are identical to the state load restrictions with such additional regulations as may be imposed by the park superintendant. A special permit will not relieve Contractor of liability for damage which may result from moving of equipment.

1. Comply with motor vehicles regulations found in the State of Maryland and all posted regulations found in the park.

2. Commercial Trucks: All commercial trucks using the NPS Parkways require a NPS permit. Permit applications may be obtained from individual parks through which Commercial travel to job site is expected or thru United States Park Police Headquarters

(DC).

3 .6 FIRE PREVENTION AND PROTECTION

A. Responsible person: A capable and qualified person shall be placed in charge of fire protection.

B. Hazard Control: Take all necessary precautions to prevent fire during construction.

C. Provide and maintain extinguisher(s) having a minimum UL rating of 2-A:10-B:C.

D. Spark Arresters: Utilize spark arrestors on power equipment. Determinations of periods and areas of potential fire hazard will be as determined by the park superintendent.

E. Service and Refueling Areas: Locate areas a minimum of 50 feet from buildings. Shut down equipment before refueling.

3 .7 REMOVAL

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A. Remove temporary materials, equipment, services and construction prior to Substantial Completion inspection.

B. Clean and repair damage caused by installation or use of temporary facilities.

END OF SECTION 015000

SECTION 016000 - CUTTING AND PATCHING

PART 1 – GENERAL

1.1 SUMMARY

A. Section Includes:

1. General construction and installation procedures.

2. Cutting procedures.

3. Patching procedures.

1.2 DEFINITIONS

A. Concealed Spaces: Spaces which are not accessible after completion of construction.

B. Cutting: Removal of material by cutting, sawing, drilling, breaking, chipping, grinding and similar operations, including excavation.

C. Damage: Any sort of deterioration whether due to weather, normal wear and tear, accident, or abuse, resulting in soiling, marring, breakage, corrosion, rotting, or impairment of function.

D. Debris: Rubbish, waste materials, litter, volatile wastes, and similar materials, with the exception of surplus materials which are to become the property of the Owner.

E. Patching: Restoration to completed condition by patching, repairing, refinishing, finishing, filling, closing up, and similar operations.

F. Spaces Not Normally Occupied: Accessible spaces such as roofs, accessible plenums and shafts, accessible spaces above ceilings, trenches, equipment vaults, manholes, accessible attics, and similar spaces, but not including the interior of duct or concealed spaces.

1.3 SUBMITTALS

A. Proposals for Cutting and Patching: Submit request sufficiently in advance of the time the work is to be performed to obtain approval include:

1. Description of the nature of the work and how it is to be performed, including reasons why cutting cannot be avoided.

2. Description of results expected, including impact on safety and on structural, operational, and visual qualities.

3. Products to be used.

4. Firms that will perform the work.

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CUTTING AND PATCHING

5. Expected dates of performance of the work.

6. If utilities are affected, describe the changes required and be specific as to how long service will be cut off.

7. If cutting of structural work results in the need for additional reinforcement, provide details and engineering calculations to show how that reinforcement satisfies the original structural requirements.

B. Field Correction Requests: Submit immediately upon discovery of deviation required; include a detailed description of the problem, recommended changes, and reasons it is not possible to comply with the contract demands.

PART 2 – PRODUCTS

2.1 MATERIALS

A. Patching Materials: Identical to the materials of the work to be cut, unless indicated as specific materials specified in other sections.

1. For exposed materials for closing up openings, use materials identical to those of the adjacent construction; concealed materials are not required to be identical.

2. If identical materials are not available or cannot be used, use materials that provide best visual match; obtain approval of the Contracting Officer.

3. Use materials that perform equally as well as, or better than, the material cut.

4. If necessary, determine composition of existing materials to be patched by testing.

PART 3 – EXECUTION

3.1 GENERAL EXAMINATION REQUIREMENTS

A. Prior to performing work, examine the applicable substrates and the conditions under which the work is to be performed.

B. If unsafe or otherwise unsatisfactory conditions are encountered, take corrective action before proceeding.

C. Conditions which could have been discovered by examination will not be allowed as cause for claims for extra work.

D. Notify the Contracting Officer promptly of any modifications required due to existing conditions or previous work.

E. Before starting work which might affect existing construction, verify the existence and location of such construction.

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F. Verify space requirements of items which are shown diagrammatically on the drawings.

3.2 GENERAL PREPARATION REQUIREMENTS

A. Take field measurements as required to fit work properly.

B. Recheck measurements prior to installing each product.

3.3 GENERAL INSTALLATION PROCEDURES

A. Accurately locate the work and components of the work; make vertical work plumb; make horizontal work level unless otherwise necessary to conform to existing project surfaces and tolerances.

B. Install work in such manner and sequence as to minimize cutting and patching.

C. Existing Construction:

1. Perform work in existing construction in same manner as historic construction unless otherwise specified.

2. Where a new surface exposed to view is an extension of any existing surface, align both surfaces without a change of plane and make a neat transition between finishes.

a. If a change of plane is necessary due to the configuration of the existing surface, obtain instructions form the Contracting Officer.

3. Where portions of existing work are removed, patch remaining work with neat transitions between remaining surfaces without evidence of cutting.

a. Where neat transitions between remaining surfaces are not possible due to configuration of existing surfaces, obtain instructions from the Contracting Officer.

4. Where existing construction is removed, remove existing utility services located within or upon the existing construction.

a. Cap cut ends of abandoned piping, conduit, and duct in such a manner that they are concealed in finish work.

3.4 CUTTING AND PATCHING PROCEDURES

A. Use specified cutting and patching procedures when cutting or patching is required for any of the following activities:

1. Fitting the parts of the work together.

2. Modifying existing construction.

3. Repairing existing work to remain.

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4. Installing ill-timed work.

5. Removing and replacing defective and nonconforming work.

6. Removing samples of work for testing.

7. Making openings in elements of work for penetrations, such as for piping, conduit, duct, and the like.

8. Uncovering work for observation.

9. Repairing damage.

B. Perform cutting and patching at earliest time feasible, unless otherwise indicated or directed by the Contracting Officer.

C. Use procedures specified in applicable product sections as well as those specified in this section:

1. Use procedures recommended by original installer, when such information is available.

2. Where required, obtain approval of procedures by the Contracting Officer.

3. Cut using methods that are least likely to damage adjacent work and work to remain and which will provide proper surfaces for patching.

4. Make cuts neatly with minimum disturbance of adjacent work.

a. Use appropriate tools intended for sawing or grinding and not for chopping or hammering.

b. Do not use pneumatic tools without prior approval.

5. Where installation of similar new work is included, perform patching in manner specified for installation of new work.

6. Where new work is inserted into or through the work that is cut, fit the patched work tightly to the new work.

7. Patch with seams which are durable and as invisible as possible.

8. Repair substrate prior to patching finish.

D. Employ skilled workers to perform cutting and patching work.

E. Use the original installer of the work to perform cutting and patching of the following:

1. Any products so indicated in the applicable product section.

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2. Plaster and gypsum board walls and ceilings.

3. Rakes and soffits, trim and flashings.

4. Roofing, including gutter and downspout systems.

5. Masonry.

6. Concrete walks.

F. Work Exposed to View: Do not cut or patch in a manner that would result in a lessening of the building’s aesthetic value, as determined by the Contracting Officer.

1. Generally, cut from exposed side into concealed spaces to avoid unnecessary damage to finish.

2. Do not cut and patch in a manner that would result in substantial visual evidence of cut and patch work.

3. Restore exposed patched finishes in a manner which eliminates evidence of patching and refinishing.

a. For continuous surfaces, extend refinish to nearest intersection, with a neat transition to adjacent surfaces.

b. For assemblies: Refinish entire unit.

4. Remove and replace work which is patched in a visually unacceptable manner.

G. Structural Elements: Maintain structural capacity; do not increase deflection under design load; provide reinforcing where required.

1. Before cutting any structural member, obtain the Contracting Officer’s approval of the proposed method.

H. Existing Construction:

1. Patch existing work to match adjacent existing work to remain.

2. Where specified procedures for similar new work are applicable, use those procedures for cutting and patching existing construction.

3. Take precautions to avoid damage to unanticipated utilities and structural elements. If such elements are encountered, report nature and extent to the Contracting Officer and request instructions as to how to proceed.

4. Make neat transitions between existing and new surface finishes.

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5. Before cutting in the following, obtain the Contracting Officer’s approval of the proposed method:

a. Roofing.

I. Concealed Work: Uncover the concealed work, cut and patch, and patch the covering work.

J. Concrete Masonry: Use saws or drills which produce a neat cut; remove in small sections.

K. Insulation: Replace insulation whenever it is cut in order to modify the element it is insulating.

L. Slabs on Grade: Use methods that will not crack or disturb adjacent slabs or partitions.

M. Protect that part of the project which is exposed during cutting and patching operations from adverse weather.

N. Cover openings made whenever they are not in use.

3.5 PROCEDURES FOR CORRECTION OF WORK

A. Obtain the Contracting Officer’s written instructions.

END OF SECTION 016000

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CONSTRCUTION WASTE MANAGEMENT

SECTION 017419 - CONSTRUCTION WASTE MANAGEMENT AND DISPOSAL

1.1 SUMMARY

A. This Section includes administrative and procedural requirements for the following:

1. Salvaging nonhazardous demolition and construction waste.

2. Recycling nonhazardous construction waste.

3. Disposing of nonhazardous demolition and construction waste.

1.2 DEFINITIONS

A. Construction Waste: Building and site improvement materials and other solid waste resulting from construction, remodeling, renovation, or repair operations. Construction waste includes packaging.

B. Demolition Waste: Building and site improvement materials resulting from demolition or selective demolition operations.

C. Disposal: Removal off-site of demolition and construction waste and subsequent sale, recycling, reuse, or deposit in landfill or incinerator acceptable to authorities having jurisdiction.

D. Recycle: Recovery of demolition or construction waste for subsequent processing in preparation for reuse.

E. Salvage: Recovery of demolition or construction waste and subsequent sale or reuse in another facility.

F. Salvage and Reuse: Recovery of demolition or construction waste and subsequent incorporation into the Work.

1.3 QUALITY ASSURANCE

A. Waste Management Conference: Conduct conference at Project site.

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PART 2 - PRODUCTS (Not Used)

PART 3 - EXECUTION

3.1 SALVAGING DEMOLITION WASTE

A. Salvaged Items for Reuse in the Work:

1. Clean salvaged items.

2. Pack or crate items after cleaning. Identify contents of containers.

3. Store items in a secure area until installation. NPS COR will identify storage area as a designated staging or laydown area.

4. Protect items from damage during transport and storage.

5. Install salvaged items to comply with installation requirements for new materials and equipment. Provide connections, supports, and miscellaneous materials necessary to make items functional for use indicated.

B. Salvaged Items for Sale and Donation: Not permitted on Project site.

C. Salvaged Items for Government Use: Seating

1. Protect salvaged items.

2. Store items in a secure area until delivery.

3. Transport items to storage area designated by COR.

4. Protect items from damage during transport and storage.

5. Return items to designated location.

6. Clean salvaged items.

3.2 RECYCLING DEMOLITION AND CONSTRUCTION WASTE, GENERAL

A. General: Recycle paper and beverage containers used by on-site workers.

B. Procedures: Separate recyclable waste from other waste materials, trash, and debris. Separate recyclable waste by type at Project site to the maximum extent practical.

1. Provide appropriately marked containers or bins for controlling recyclable waste until they are removed from Project site. Include list of acceptable and unacceptable materials at each container and bin.

a. Inspect containers and bins for contamination and remove contaminated materials if found.

2. Stockpile processed materials on-site without intermixing with other materials. Place, grade, and shape stockpiles to drain surface water. Cover to prevent windblown dust.

3. Stockpile materials away from construction area. Do not store within drip line of remaining trees.

4. Store components off the ground and protect from the weather.

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C. Remove recyclable waste off Government property and transport to recycling receiver or processor.

3.3 RECYCLING CONSTRUCTION WASTE

A. Packaging:

1. Cardboard and Boxes: Break down packaging into flat sheets. Bundle and store in a dry location.

2. Polystyrene Packaging: Separate and bag materials.

3. Pallets: As much as possible, require deliveries using pallets to remove pallets from

Project site. For pallets that remain on-site, break down pallets into component wood pieces and comply with requirements for recycling wood.

4. Crates: Break down crates into component wood pieces and comply with requirements for recycling wood.

B. Site-Clearing Wastes: Chip brush, branches, and trees at landfill facility.

C. Wood Materials:

1. Clean Cut-Offs of Lumber: Grind or chip into small pieces.

2. Clean Sawdust: Bag sawdust that does not contain painted or treated wood.

3.4 DISPOSAL OF WASTE

A. General: Except for items or materials to be salvaged,…