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P381 Multi-Mission Drydock #1 eProjects # 1604959 Portsmouth Naval Shipyard, Kittery, ME

SECTION 01 50 00.00 22

TEMPORARY CONSTRUCTION FACILITIES AND CONTROLS (PWD ME)

10/15

PART 1 GENERAL

1.1 SUMMARY

Requirements of this Section apply to, and are a component of, each section of the specifications.

1.2 REFERENCES

The publications listed below form a part of this specification to the extent referenced. The publications are referred to within the text by the basic designation only.

AMERICAN WATER WORKS ASSOCIATION (AWWA)

AWWA C511 (2017) Standard for Reduced-Pressure Principle Backflow Prevention Assembly

FOUNDATION FOR CROSS-CONNECTION CONTROL AND HYDRAULIC RESEARCH

(FCCCHR)

FCCCHR List (continuously updated) List of Approved Backflow Prevention Assemblies

FCCCHR Manual (10th Edition) Manual of Cross-Connection Control

NATIONAL FIRE PROTECTION ASSOCIATION (NFPA)

NFPA 241 (2013; Errata 2015) Standard for Safeguarding Construction, Alteration, and Demolition Operations

NFPA 70 (2020) National Electrical Code

U.S. FEDERAL AVIATION ADMINISTRATION (FAA)

FAA AC 70/7460-1 (2015; Rev L) Obstruction Marking and Lighting

U.S. FEDERAL HIGHWAY ADMINISTRATION (FHWA)

MUTCD (2015) Manual on Uniform Traffic Control Devices

1.3 SUBMITTALS

Government approval is required for submittals with a "G" designation;

submittals not having a "G" designation are for Contractor Quality Control approval. Submit the following in accordance with Section 01 33 00

SUBMITTAL PROCEDURES:

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SD-01 Preconstruction Submittals

Construction site plan; G

Traffic control plan; G

Drydock 1 Temporary Dewatering Pumping System Plan; G

Drydock 1 Temporary Drainage Pumping System Plan; G

SD-03 Product Data

Drydock 1 Temporary Dewatering Pumping System; G

Drydock 1 Temporary Drainage Pumping System; G

Drydock 1 Temporary ASW pumps; G

SD-06 Test Reports

Backflow Preventer Tests; G

SD-07 Certificates

Backflow Tester Certification; G

Backflow Preventers Certificate of Full Approval; G

1.4 CONSTRUCTION SITE PLAN

The Contractor shall submit a site construction plan for all locations including Henderson Point and Prison point if used. showing the locations and dimensions of temporary facilities (including layouts and details, equipment and material storage area (onsite and offsite), access and haul routes, avenues of ingress/egress to the fenced area and details of the temporary construction safety fencing/barriers systems that complies with EM385-1-1 Sections 4 & 8.

Identify any areas where vehicle track pads will be installed to prevent the tracking of mud onto the pavement outside the project site limits.

Indicate if the use of a supplemental or other staging area is desired.

Show locations of safety and construction fences, site trailers, construction entrances, trash dumpsters, temporary sanitary facilities, dewatering system storage tanks and infiltration pits.

Prior to the start of Construction, the Contractor shall furnish and erect temporary project safety fencing at the work site in accordance with the plans & following requirements:

a. Temporary project fencing (or a substitute acceptable to the Contracting Officer (GDA) and delineated in the APP) shall be provided on all projects. See also EM385-1-1 Sections 4 & 8.

b. Fencing shall extend from grade to a minimum of 4 ft above grade and shall have a maximum mesh size of 2 in. Fencing shall remain rigid/taut with a minimum of 200 lbs of force exerted on it from any direction with less than 4 in of deflection.

c. Signs warning of the presence of construction hazards and requiring

SECTION 01 50 00.00 22 Page 2 unauthorized persons to keep out of the construction area shall be posted on the fencing. At minimum, signs shall be posted every 150 ft. Fenced sides of projects that are less than 150 ft shall, at minimum, have at least one warning sign.

d. Depending upon the nature and location of the project site, the Contractor may request not install temporary fencing in some sections of the project site. The Contractor's SSHO shall submit a risk analysis (AHA) to the Contracting Officer for review. This shall be based on a risk analysis of public exposure and other project specific considerations, and shall be included in the applicable AHA.

If the Contracting Officer approves the request and has determined fencing is not required, the Contractor shall install signs, other acceptable barriers systems, warning of construction hazards, shall be conspicuously posted.

If at any time it is determined the risk to the public changes based on the Contractor's work, the Contractor shall take immediate action to address any risk to the public.

1.4.1 Henderson Point

If Henderson point is utilized by the Contractor he may demolish Quarters S at his option if it is beneficial to his development of the site. A phase III Archaeological study may need to be performed. See SECTION 01 44 00.22 "ARCHAEOLOGICAL MONITORING (PWD ME)" for additional information.

If the site is utilized by the contractor Building 348 must be demolished by the Contractor and a new facility constructed at location determined by the Contracting Officer on the PNSY. The pre-engineered building shall site adapted to the new location and shall be in accordance with the design drawings located in Appendix E of the specifications.

All interior features including but not limited to, bathroom fixtures, mechanical, electrical, and plumbing systems shown on the drawing shall be provided.

The Contractor shall provide new utilities for the building and shall assume that the required utilities are located within 200 ft of the new building for connections.

The new building site shall be designed by a registered professional engineer in accordance with NavFac standards. All disturbed areas shall be paved with bituminous concrete pavement and base course in accordance with section 32 12 16 "Hot Mix Asphalt (HMA) for Roads" within 30 ft of the building. All other disturbed areas shall be restored to existing conditions.

The contractor shall provide a reinforced concrete foundation in accordance with the drawings in Appendix E. Existing soils shall be assumed to be suitable to support the foundation sizes shown on the drawings.

1.4.2 Henderson Point Treatment Systems

Provide two (2) treatment systems as indicated on the drawings. The treatment systems will treat process water during batching and casting

SECTION 01 50 00.00 22 Page 3 operations at Henderson Point as defined by the MEDEP Industrial Waste Discharge Permit. Process water includes any stormwater runoff from batching/casting operations, washwater from cleaning of trucks, hoses, chutes and other water runoff generating activities.

The effluent from each treatment must meet or exceed the MEDEP effluent standards and those outlined in the permit conditions. At a minimum the following conditions must be met:

1. BOD-5: 45 mg/L (30-day average limit)

2. TSS: 45 mg/l (30-day average limit)

3. pH range: 6.0 - 9.0

4. Each treatment system is required to have a minimum 30,000 gallon per day (gpd) capacity.

5. Must provide monitoring and maintenance of the treatment system as required in the permit conditions.

6. The swale capacity is for small rainfall events of approximately 1" or less. In the event of larger rainfall events, back to back rainfall events, or unforeseen conditions in which large amounts of process water are produced, the contractor will be responsible for implementing measures for retaining process water onsite until it can be pumped through the treatment system.

7. No discharges will be allowed off-site or into waterways unless treated in accordance with MEDEP and EPA regulations and conditions of the permit.

1.4.3 Henderson Point Retaining Walls

For each type of retaining wall, the contractor must provide shop drawings at an approved scale for location, installation and erection of all parts of the work and shall submit them to the Government for review. Shop drawings shall be stamped by a Professional Engineer in the state of Maine.

1.4.4 Henderson Point Embankments

For each embankment, the contractor must provide shop drawings and shall be submit them to the Government for review. Shop drawings shall be stamped by a Professional Engineering in the state of Maine.

1.5 BACKFLOW PREVENTERS CERTIFICATE

Certificate of Full Approval from FCCCHR List , University of Southern California, attesting that the design, size and make of each backflow preventer has satisfactorily passed the complete sequence of performance testing and evaluation for the respective level of approval. Certificate of Provisional Approval will not be acceptable.

1.5.1 Backflow Tester Certificate

Prior to testing, submit to the Contracting Officer certification issued by the State or local regulatory agency attesting that the backflow tester has successfully completed a certification course sponsored by the regulatory agency. Tester must not be affiliated with any company

SECTION 01 50 00.00 22 Page 4 participating in any other phase of this Contract.

1.5.2 Backflow Prevention Training Certificate

Submit a certificate recognized by the State or local authority that states the Contractor has completed at least 10 hours of training in backflow preventer installations. The certificate must be current.

PART 2 PRODUCTS

2.1 TEMPORARY SIGNAGE

2.1.1 Bulletin Board

Immediately upon beginning of work, provide a weatherproof glass-covered bulletin board not less than 36 by 48 inches in size for displaying the Equal Employment Opportunity poster, a copy of the wage decision contained in the contract, Wage Rate Information poster, and other information approved by the Contracting Officer. Locate the bulletin board at the project site in a conspicuous place easily accessible to all employees, as approved by the Contracting Officer.

2.1.2 Project and Safety Signs

Construct sign with a face sheet of 4- by 8-foot exterior grade plywood, 1/2-inch thick, mounted on a substantial frame of treated lumber. Provide one coat of lead-free alkyd primer paint and two coats of an exterior type white enamel to frame and sign. Erect signs within 15 days after receipt of the notice to proceed. Correct the data required by the safety sign daily, with light colored metallic or non-metallic numerals.

2.2 TEMPORARY TRAFFIC CONTROL

2.2.1 Haul Roads

At Contractors expense construct access and haul roads necessary for proper prosecution of the work under this contract. Construct with suitable grades and widths; sharp curves, blind corners, and dangerous cross traffic are be avoided. Provide necessary lighting, signs, barricades, and distinctive markings for the safe movement of traffic.

The method of dust control, although optional, must be adequate to ensure safe operation at all times. Location, grade, width, and alignment of construction and hauling roads are subject to approval by the Contracting Officer. Lighting must be adequate to assure full and clear visibility for full width of haul road and work areas during any night work operations.

2.2.2 Barricades

Erect and maintain temporary barricades to limit public access to hazardous areas. Whenever safe public access to paved areas such as roads, parking areas or sidewalks is prevented by construction activities or as otherwise necessary to ensure the safety of both pedestrian and vehicular traffic barricades will be required. Securely place barricades clearly visible with adequate illumination to provide sufficient visual warning of the hazard during both day and night.

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2.2.3 Fencing

Provide fencing along the construction site at all open excavations and tunnels to control access by unauthorized people. Fencing must be installed to be able to restrain a force of at least 250 pounds against it.

2.2.4 Temporary Wiring

Provide temporary wiring in accordance with NFPA 241 and NFPA 70 , Article 305-6(b), Assured Equipment Grounding Conductor Program. Include frequent inspection of all equipment and apparatus.

2.2.5 Backflow Preventers

Backflow Preventers shall be reduced pressure principle type conforming to the applicable requirements AWWA C511. Provide backflow preventers complete with 150 pound flanged mounted gate valve, stainless steel or bronze, internal parts. The particular make, model/design, and size of backflow preventers to be installed must be included in the latest edition of the List of Approved Backflow Prevention Assemblies issued by the FCCCHR List and be accompanied by a Certificate of Full Approval from FCCCHR List . After installation conduct Backflow Preventer Tests and provide test reports verifying that the installation meets the FCCCHR Manual Standards.

2.3 Temporary Utilities

The contractor shall keep existing utilities at Drydock 1 and Berth 11C operational at all times including all utilities at the required existing capacities and existing locations within the drydock facility while a boat is in Dry Dock #1 or at berth 11C. Utilities include power, steam, compressed air, high pressure air, water, nitrogen, sewer, and wheeler.

2.3.1 Drydock 1 Temporary Dewatering Pumping System

Emergency Dewatering Pumps

Provide emergency dewatering pumps located in the drydock as indicated on the phasing drawings once the existing dewatering pumps are taken off line by the P381 construction. Once installed, the emergency Drydock 1 dewatering system must remain on site and operational until the permanent dewatering pumps have been field tested and certified as specified in Section 35 45 01. These pumps shall be in place at all times during construction and may discharge into the existing basin. The emergency dewatering pumps shall have 20% more capacity than one of the temporary primary dewatering pumps specified below. The emergency dewatering pumps shall be sized to fit within the existing drainage sump on the North side of Dry Dock 1 and shall be capable of maintaining the water surface at least two feet below the dry dock floor (at least elevation -23.50).

The Contractor shall design and provide a system that ensures that all of the requirements of this specification are met. They system designed shall physically fit within the spaces designated. The basis of the P381 conceptual design is based on the following:

1. Number of pumps = 2 emergency

2. Pump design point = 12,000 gpm at 36.6 feet

3. Flygt model number = CP 3531/806 3 1240

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Primary Temporary Dewatering Pumps

Provide primary temporary dewatering pumps and piping to dewater Drydock 1 within a maximum of 120 minutes during docking/undocking evolutions once the existing dewatering system is no longer able to remain operational due to the construction of P-381. Temporary pumps and piping systems shall be operated by the Shipyard. A plan of the system including all pumps, piping, and required appurtances shall be provided to the Government for review and approval. Existing dewatering pumps cannot be taken offline until NAVFAC and NAVSEA approval of the Contractor's proposed plan, Contractor's field performance testing, and Contractor's training of Shipyard personnel on operation of the temporary dewatering pumps and piping is complete. Provide services of factory trained and certified maintenance personnel. Provide maintenance services in accordance with manufacturers' recommended schedule. Remove temporary dewatering pumps and piping at completion of work. The temporary dewatering pump and piping system shall meet the following criteria:

a. Pumping system shall have the capacity to lower water level in Drydock #1 to 2 feet above the dry dock sump (elevation -19.50 ft) in 120 minutes or less. The total volume of water to be pumped is approximately 7.5 million gallons.

b. Pumping system shall have a minimum of three equally sized pumps.

System shall meet the required pumping rate with one pump unit out of service. Provide temporary power for the pumps compliant with MILSTD 1625 for capacity and backup power.

c. Pumping system shall discharge to the river at a location which does not interfere with Navy operations, P-381 construction activities, or cause scour at the discharge location. Piping shall discharge at or just below mean low water. Velocity of the discharge from piping shall not exceed 14 feet per second as required by UFC 4-213-10 paragraph 7-4.5.1.

d. Pump material requirements shall be as specified in Section 35 45 01, or Section 35 45 02.00 10. Pipe material requirements shall be as specified in Section 40 05 13.00 22 (for piping materials specified for temporary dewatering and drainage pipe). Piping shall have double valve protection at the connection from the pumps to the piping, and at pipe discharge (minimum 4 total valves). Valves shall be butterfly and knife gate valves, as specified in Section 40 05 13.00 22.

The Contractor shall design and provide a system that ensures that all of the requirements of this specification are met. They system designed shall physically fit within the spaces designated. The basis of the P381 conceptual design is based on the following: The basis of design for the system is based on the following:

1. Number of pumps = 3 primary

2. Pump design point = 20,000 gpm at 36.6 feet

3. Flygt model number = CP 3800/905 3 1440

2.3.2 Drydock 1 Temporary Drainage Pumping System

Provide temporary drainage pump and piping system for Drydock 1 to operate continuously at all times once the existing drainage system is no longer able to remain operational due to the construction of P-381. Temporary

SECTION 01 50 00.00 22 Page 7 drainage pump and piping system shall be operated by the Shipyard. A plan of the system including all pumps, piping, and required appurtances shall be provided to the Government for review and approval. Existing drainage pumps cannot be taken offline until NAVFAC and NAVSEA approval of the Contractor's proposed plan, Contractor's field performance testing, and Contractor's training of Shipyard personnel on operation of the temporary drainage pumps and piping is complete. Provide services of factory trained and certified maintenance personnel. Provide maintenance services in accordance with manufacturers' recommended schedule. Remove temporary drainage pumps and piping at completion of work. The temporary drainage pump and piping system shall meet the following criteria:

a. Pumping system shall consist of at least 6 equally sized pumps.

The system shall be sized to deliver 15,000 gallons per minute with 4 pumps in service. A standby pump shall be provided in addition to the 4 service pumps. An additional backup pump that is equally sized as the four primary pumps and one standby pump shall be on site at all times in the event that one of the primary pumps fails. Drainage system shall operate to maintain water level in the drainage sump below elevation -31.50. Provide temporary power for the pumps compliant with MILSTD 1625 for capacity and backup power. Provide external alarm signaling at the power plant.

The 4 service pumps and 1 standby pump shall be physically sized to all fit within the existing Dry dock 1 wetwell. The pumps shall be placed in the existing wetwell through one of the existing 60 inch drainage conduits as indicated in the reference drawings.

b. Pumping system shall discharge to the river at a location which does not interfere with Navy operations, P-381 construction activities, or cause scour at the discharge location. Piping shall discharge at or just below mean low water. Velocity of the discharge from piping shall not exceed 14 feet per second as required by UFC 4-213-10 paragraph 7-4.5.1.

c. Once installed, the temporary Drydock 1 drainage system must remain on site and operational until the permanent drainage pumps have been field tested and certified as specified in Section 35 45

02.00 10.

d. Pump material requirements shall be as specified in Section 35 45

02.00 10. Pipe material requirements shall be as specified for PP-R piping in Section 40 05 13.00 22. Piping shall have double valve protection at the connection from the pumps to the piping, and at pipe discharge (minimum 4 total valves). Valves shall be a ball check valve at the pump discharge, and other valves shall be gate valves, as specified in Section 40 05 13.00 22.

e. Install pump and piping system in accordance with manufacturers' recommendations. Provide support and bracing for pumps, piping, and valves. Provide an access fitting for Shipyard personnel to sample drainage discharge water.

The Contractor shall design and provide a system that ensures that all of the requirements of this specification are met. They system designed shall physically fit within the spaces designated. The basis of the P381 conceptual design is based on the following:The basis of design for the system is based on the following:

SECTION 01 50 00.00 22 Page 8

1. Number of pumps = 4 primary, 1 standby, 1 backup

2. Pump design point = 3,750 gpm at 74.3 feet

3. Flygt model number = BS 2290 MT3 432

2.3.3 Drydock 1 Temporary ASW Pumps

Provide temporary ASW pumps and piping as indicated on the drawings. The contractor shall relocate temporary ASW piping as necessary during construction to accommodate his construction activities as well as shipyard operational requirements. Requests for shutdown and relocations shall be submitted to the Contracting Officer 21 days in advance of the need to relocate. Provide a diesel backup generator for backup power.

Provide low-pressure indication at the the power plant and integrate with the existing Yokogawa system in the existing Dry Dock 1 pump well.

2.3.4 Temporary power

Provide temporary power and backup power for the dewatering pumps from two independent sources of power during docking/undocking evolutions. A generator may not be used as one of the independent sources.

Drainage pumps shall be provided with temporary and backup power from two independent sources of power. In addition a diesel generator that can power the drainage system and can be operational within 30 minutes of a loss of power shall be on site at all times during construction.

2.3.5 Testing and Certification

All temporary pumping systems will be required to be tested and certified prior to docking of any vessels in existing Dry Dock #1 by the Government in accordance with Mil Standard 1625d. For the temporary dewatering pumps the contractor shall dewater existing Drydock 1 in the presence of the Government to prove suitability within the 120 minute time limit indicated above.

PART 3 EXECUTION

3.1 EMPLOYEE PARKING

See Section 01 14 00.00 22 WORK RESTRICTIONS (PWD ME), Paragraph entitled CONTRACTOR EMPLOYEE PARKING, for Contractor employee parking restrictions.

3.2 AVAILABILITY AND USE OF UTILITY SERVICES

3.2.1 Temporary Utilities

Provide temporary utilities required for construction. Materials may be new or used, must be adequate for the required usage, not create unsafe conditions, and not violate applicable codes and standards.

3.2.2 Payment for Utility Services

a. Reasonable amounts of the following utilities will be made available to the Contractor without charge.

Electricity Potable Water Compressed air

SECTION 01 50 00.00 22 Page 9

Steam

b. The point at which the Government will deliver such utilities and the quantity available shall be coordinated with the Contracting Officer.

The Contractor shall pay all costs incurred in connecting, converting, and transferring the utilities to the work. Make connections, including providing backflow-preventing devices on connections to domestic water lines; providing meters; and providing transformers;

and make disconnections. The Contractor shall provide the backflow devices as specified above and NAVFAC PWD ME shop personnel (at the Portsmouth Naval Shipyard only) will install the backflow preventer.

The Contractor shall not operate any Shipyard water system valves.

The Contractor shall notify the Contracting Officer a minimum of 15 calendar days prior to the desired date of the installation of the backflow device. (PNSY)

3.2.2 Sanitation

Provide and maintain within the construction area minimum field-type sanitary facilities approved by the Contracting Officer and periodically empty wastes into a municipal, district, or Portsmouth Naval Shipyard / sanitary sewage system, or remove waste to a commercial facility. Obtain approval from the system owner prior to discharge into any municipal, district, or commercial sanitary sewer system. Any penalties and / or fines associated with improper discharge will be the responsibility of the Contractor. Coordinate with the Contracting Officer and follow Portsmouth Naval Shipyard / regulations and procedures when discharging into the Portsmouth Naval Shipyard / sanitary sewer system. Maintain these conveniences at all times without nuisance. Include provisions for pest control and elimination of odors. Government toilet facilities will not be available to Contractor's personnel.

3.2.3 Telephone

Make arrangements and pay all costs for telephone facilities desired.

3.2.4 Obstruction Lighting of Cranes

Provide a minimum of two (2) aviation red or high intensity white obstruction lights on temporary structures (including cranes) over 100 feet above ground level. Light construction and installation must comply with FAA AC 70/7460-1 . Lights must be operational during periods of reduced visibility, darkness, and as directed by the Contracting Officer.

3.2.5 Fire Protection

Provide temporary fire protection equipment for the protection of personnel and property during construction. Remove debris and flammable materials daily to minimize potential hazards.

3.3 TRAFFIC PROVISIONS

3.3.1 Maintenance of Traffic

a. Conduct operations in a manner that will not close any thoroughfare or interfere in any way with traffic on railways or highways except with written permission of the Contracting Officer at least 15 calendar days prior to the proposed modification date, and provide to the Contracting Officer a Traffic Control Plan detailing the proposed

SECTION 01 50 00.00 22 Page 10 controls to traffic movement for approval. The plan must be in accordance with State and local regulations and the MUTCD, Part VI.

Contractor may move oversized and slow-moving vehicles to the worksite provided requirements of the State of Maine Department of Transportation have been met (PNSY) / (AOR) .

b. Conduct work so as to minimize obstruction of traffic, and maintain traffic on at least half of the roadway width at all times. Obtain approval from the Contracting Officer prior to starting any activity that may obstruct vehicle or pedestrian traffic.

c. Provide, erect, and maintain, at contractors expense, lights, barriers, signals, passageways, detours, and other items, that may be required by the Life Safety Signage and overhead protection.

3.3.2 Protection of Traffic

Maintain and protect traffic on all affected roads during the construction period except as otherwise specifically directed by the Contracting Officer. Measures for the protection and diversion of traffic, including the provision of watchmen and flagmen, erection of barricades, placing of lights around and in front of equipment the work, and the erection and maintenance of adequate warning, danger, and direction signs, will be as required by the State and local authorities having jurisdiction. Protect the traveling public from damage to person and property. Minimize the interference with public traffic on roads selected for hauling material to and from the site. Investigate the adequacy of existing roads and their allowable load limit. Contractor is responsible for the repair of any damage to roads caused by construction operations.

3.3.3 Rush Hour Restrictions

Do not interfere with the peak traffic flows preceding and during normal operations without notification to and approval by the Contracting Officer.

3.4 CONTRACTOR'S TEMPORARY FACILITIES

3.4.1 Safety

Protect the integrity of any installed safety systems or personnel safety devices. If entrance into systems serving safety devices is required, the Contractor must obtain prior approval from the Contracting Officer. If it is temporarily necessary to remove or disable personnel safety devices in order to accomplish contract requirements, provide alternative means of protection prior to removing or disabling any permanently installed safety devices or equipment and obtain approval from the Contracting Officer.

3.4.2 Administrative Field Offices

Provide and maintain administrative field office facilities within the construction area at the designated site. Government office and warehouse facilities will not be available to the Contractor's personnel.

Contractor to provide a minimum of 2 separate trailers for for twelve NAVFAC employees to have office spaces. Trailers shall include a desk and work area for each Navfac employee as well as a conference table able to sit 12 people. Conference space can be within one trailer. Coordinate internet/NMCI access with Construction Manager.

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3.4.3 Storage Area

Construct a temporary 6 foot high chain link fence around trailers and materials. Fence posts may not be driven, use concrete bases. Do not place or store trailers, materials, or equipment outside the fenced area unless such trailers, materials, or equipment are assigned a separate and distinct storage area by the Contracting Officer away from the vicinity of the construction site but within the installation boundaries. Trailers, equipment, or materials must not be open to public view with the exception of those items which are in support of ongoing work on any given day. Do not stockpile materials outside the fence in preparation for the next day's work. Park mobile equipment, such as tractors, wheeled lifting equipment, cranes, trucks, and like equipment within the fenced area at the end of each work day.

3.4.4 Appearance of Trailers

a. Trailers utilized by the Contractor for administrative or material storage purposes must present a clean and neat exterior appearance and be in a state of good repair. Trailers which, in the opinion of the Contracting Officer, require exterior painting or maintenance will not be allowed on installation property.

b. Paint using suitable paint and maintain the temporary facilities.

Failure to do so will be sufficient reason to require their removal.

3.4.5 Maintenance of Storage Area

Keep fencing in a state of good repair and proper alignment. Grassed or unpaved areas, which are not established roadways, will be covered with a layer of gravel as necessary to prevent rutting and the tracking of mud onto paved or established roadways, should the Contractor elect to traverse them with construction equipment or other vehicles; gravel gradation will be at the Contractor's discretion.

3.4.6 Security Provisions

Provide adequate outside security lighting at the Contractor's temporary facilities. The Contractor will be responsible for the security of its own equipment; in addition, the Contractor will notify the appropriate law enforcement agency requesting periodic security checks of the temporary project field office.

3.4.7 Laydown Space

Parking and laydown space on the site is limited to the area shown on the plans. The Contractor shall manage the on-site work including equipment, storage trailers, material, material deliveries to allow the work to be completed within the specified contract duration. This may require the Contractor to locate suitable storage off-site and multiple equipment mobilizations to allow the work to be completed. Equipment or materials not used to complete the work shall be removed from the site. If additional offsite storage; additional mobilization or demobilizations, all these costs shall be included in the base bid.

Failure by the Contractor to plan the work based on the space limitations shall not be the basis for any claim nor an equitable price or contract time adjustment.

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3.4.8 Weather Protection of Temporary Facilities and Stored Materials

Take necessary precautions to ensure that roof openings and other critical openings in the temporary facilities are monitored carefully. Take immediate actions required to seal off such openings when rain or other detrimental weather is imminent, and at the end of each workday. Ensure that the openings are completely sealed off to protect materials and equipment in the temporary facilities from damage.

3.4.9 Building and Site Storm Protection

When a warning of gale force winds is issued, take precautions to minimize danger to persons, and protect the work and nearby Government property.

Precautions must include, but are not limited to, closing openings;

removing loose materials, tools and equipment from exposed locations; and removing or securing scaffolding and other temporary work. Close openings in the work when storms of lesser intensity pose a threat to the work or any nearby Government property.

3.4.9.1 Condition of Readiness

Unless directed otherwise, comply with:

a. Condition FOUR (Sustained winds of 50 knots or greater expected within 72 hours): Normal daily jobsite cleanup and good housekeeping practices. Collect and store in piles or containers scrap lumber, waste material, and rubbish for removal and disposal at the close of each work day. Maintain the construction site including storage areas, free of accumulation of debris. Stack form lumber in neat piles less than 4 feet high. Remove all debris, trash, or objects that could become missile hazards. Contact Contracting Officer for Condition of Readiness (COR) updates and completion of required actions.

b. Condition THREE (Sustained winds of 50 knots or greater expected within 48 hours): Maintain "Condition FOUR" requirements and commence securing operations necessary for "Condition ONE" which cannot be completed within 18 hours. Cease all routine activities which might interfere with securing operations. Commence securing and stow all gear and portable equipment. Make preparations for securing buildings. Review requirements pertaining to "Condition TWO" and continue action as necessary to attain "Condition THREE" readiness.

Contact Contracting Officer for weather and COR updates and completion of required actions.

c. Condition TWO (Sustained winds of 50 knots or greater expected within 24 hours): Curtail or cease routine activities until securing operation is complete. Reinforce or remove form work and scaffolding. Secure machinery, tools, equipment, materials, or remove from the jobsite. Expend every effort to clear all missile hazards and loose equipment from general base areas. Contact Contracting Officer for weather and Condition of Readiness (COR) updates and completion of required actions.

d. Condition ONE. (Sustained winds of 50 knots or greater expected within 12 hours): Secure the jobsite, and leave Government premises.

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3.4.10 Temporary Partitions

Provide "No Dust" temporary partitions of wood or metal frame, heavy duty plastic sheathing and negative pressure HEPA filtered ventilation.

Provide access door and vestibules as required to prevent dust from escaping the enclosure. Refer to Section 02 41 00 DEMOLITION AND DECONSTRUCTION for additional information and requirements if included as part of the specifications.

3.5 PLANT COMMUNICATION

Whenever the Contractor has the individual elements of its plant so located that operation by normal voice between these elements is not satisfactory, the Contractor must install a satisfactory means of communication, such as telephone or other suitable devices and made available for use by Government personnel.

3.6 TEMPORARY PROJECT SAFETY FENCING

As soon as practicable, but not later than 15 days after the date established for commencement of work, furnish and erect temporary project safety fencing at the work site. The safety fencing must be a high visibility orange colored, high density polyethylene grid or approved equal, a minimum of 48 inches high, supported and tightly secured to steel posts located on maximum 10 foot centers, constructed at the approved location. Maintain the safety fencing during the life of the contract and, upon completion and acceptance of the work, will become the property of the Contractor and be removed from the work site.

3.7 CLEANUP

Remove construction debris, waste materials, packaging material and the like from the work site daily. Any dirt or mud which is tracked onto paved or surfaced roadways must be cleaned away. Store within the fenced area described above or at the supplemental storage area any materials resulting from demolition activities which are salvageable. Neatly stacked stored materials not in trailers, whether new or salvaged.

3.8 RESTORATION OF STORAGE AREAS AND HENDERSON POINT

Upon completion of the project remove the bulletin board, signs, barricades, haulroads, and any other temporary products from the site.

After removal of trailers, materials, and equipment from within the fenced area, remove the fence that will become the property of the Contractor.

Restore to the original or better condition, areas used by the Contractor for the storage of equipment or material, or other use. Gravel used to traverse grassed areas must be removed and the area restored to its original condition, including top soil and seeding as necessary.

Where existing undisturbed areas were modified by the contractor by paving or concrete bituminous slabs on grade for use as temporary facilities the contractor will not be required to remove the pavement or slab.

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SECTION 01 50 00.00 22 Page 14

3.4.10 Temporary Partitions