AMEND_002-015000-TemporaryFacilitiesAndControls_REV_7_15_2024_0002.pdf

GOGA - 167755

123115

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TEMPORARY FACILITIES AND CONTROLS

SECTION 01 50 00 - TEMPORARY FACILITIES AND CONTROLS

PART 1 - GENERAL

1.1 SUMMARY

A. This Section includes requirements for temporary utilities, support facilities, and security and protection facilities.

1.2 DEFINITIONS

A. Permanent Enclosure: As determined by Contracting Officer, permanent or temporary roofing is complete, insulated, and weathertight; exterior walls are insulated and weathertight; and all openings are closed with permanent construction or substantial temporary closures.

1.3 USE CHARGES

A. General: Cost or use charges for temporary facilities shall be included in the Contract Sum as required.

B. Water Service: Water from existing water system is available for use with metering and with payment of use charges. Provide connections and extensions of services as required for construction operations with any additional permit costs.

C. Electric Power Service: Electric power from existing system is available for use with metering and with payment of use charges. Provide connections and extensions of services as required for construction operations with any additional permit costs No electrical power service is available on site.

1.4 QUALITY ASSURANCE

A. Electric Service: Comply with NECA, NEMA, and UL standards and regulations for temporary electric service. Install service to comply with NFPA 70.

B. Environmental Protection: Provide environmental protection as required by agency(ies) with jurisdiction and as indicated in the Contract Documents. Coordinate with requirements of the following:

1. Regulatory Requirements.

2. Indoor Air Quality (IAQ) Management.

3. Noise & Acoustics Management.

4. Environmental Management.

5. Construction Waste Management.

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1.5 PROJECT CONDITIONS

A. Temporary Use of Permanent Facilities: Installer of each permanent service shall assume responsibility for operation, maintenance, and protection of each permanent service during its use as a construction facility before NPS acceptance, regardless of previously assigned responsibilities.

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.

2.2 MATERIALS

A. Temporary materials may be new or used, but must be adequate in capacity for the required usage, must not create unsafe conditions, and must not violate requirements of applicable codes and standards.

B. Pavement: Comply with Division 32 Section 32 12 16 "Asphalt Paving."

C. Chain-Link Fencing: Minimum 2-inch (50-mm), 0.148-inch- (3.76-mm-) thick, galvanized steel, chain-link fabric fencing; minimum 6 feet (1.8 m) high with galvanized steel pipe posts;

minimum 2-3/8-inch- (60-mm-) OD line posts and 2-7/8-inch- (73-mm-) OD corner and pull posts, with 1-5/8-inch- (42-mm-) OD top rail.

D. Portable Chain-Link Fencing: Minimum 2-inch (50-mm), 9-gage, galvanized steel, chain-link fabric fencing; minimum 6 feet (1.8 m) high with galvanized steel pipe posts; minimum 2-3/8-inch- (60-mm-) OD line posts and 2-7/8-inch- (73-mm-) OD corner and pull posts, with 1-5/8-inch- (42-mm-) OD top and bottom rails. Provide concrete bases for supporting posts.

E. Safety Barrier Fence: Orange plastic fence, minimum height, 4 feet.

F. Barrier Tape: Yellow tape Imprinted with "CAUTION: CONSTRUCTION AREA".

G. Silt fence shall consist of 2-foot tall silt fence fabric stapled to 4-foot wood stakes driven into the ground to a depth of 1.5-feet. Wood stakes shall be space at 5- to 6-foot intervals. Depending on use, the base of the silt fence may be connected to the ground through standard keying or stapled to the ground using 12-inch long erosion control blanket staples on 3- to 4- foot centers.

1. Silt fence shall be both installed and removed in a manner to avoid generating fine material that will easily erode following construction activities.

2. Silt fence may need to be supplemented by other materials such as straw bales or wattles in specific zones of the site to prevent the release of fine sediment into open water either during construction activities or in the event that rain is predicted or occurs during the period of implementation.

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H. Turbidity curtain shall be implemented when work will be conducted at the edge of standing water, particularly water bodies constituting sensitive habitat, as determined by NPS. A turbidity curtain consists of sturdy materials manufactured by Layfield or approved equivalent capable of obstructing the flow of turbid water into non-work zones.

I. Security Fence: Chain link, with fabric dense enough to reduce dust movement, minimum height, 6 feet.

J. Wildlife Exclusion Fence (WEF): If California red-legged frogs or other sensitive species, as determined by NPS, are on site and must be protected from contact with construction equipment, the Contractor shall install a Wildlife Exclusion Fence (WEF) around work zones before heavy equipment enters. The Contracting Officer shall provide WEF specifications for projects where NPS determines them to be necessary.

1. Fabric used for Temporary Wildlife Exclusion Fence (WEF) shall be constructed of silt fencing or equivalent materials to conform to the following:

Material: Woven Polypropylene Grab Tensile (lbs.) 111 Warp x 101 Fill Mesh opening: #35 US Sieve UV Resistance: 80% / 500 hours Mullen Burst.: 158 psi

2. Project-specific requirements may apply to the WEF, including coordination with vegetation removal, possible exit funnels, or other features., K. Lumber and Plywood: Comply with requirements in Division 06 Section "Rough Carpentry.”

2.3 TEMPORARY FACILITIES

A. Field Offices, General: Prefabricated or mobile units with serviceable finishes, temperature controls, and foundations adequate for normal loading.

B. Contracting Officers Field Office: The field office shall be a separate structure from the Contractor's office.

1. Prefabricated, job built, or a mobile unit; excellent condition, structurally sound, non-flammable exterior construction, weather tight, minimum 300 160 square feet.

2. Operable windows and security screens, adjustable ventilation.

3. Restroom (minimum of lavatory and toilet, with exhaust fan if room is windowless).

4. Air conditioner and heater.

5. Interior partition with lockable door to divide office

6. Paneling or freshly painted walls, acoustical tile or painted ceilings, and resilient flooring.

7. Two exterior Exterior doors with dead bolts keyed from outside,

8. Minimum 20-square-foot landing and steps at each exterior door.

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C. Storage and Fabrication Sheds: Temporary weather tight sheds or other covered facilities for storage of materials subject to weather damage. Number and size of structures shall be subject to Contracting Officer's approval.

D. Toilets: Sufficiently lighted and ventilated toilet facilities in weatherproof, sight proof, handicap accessible, sturdy enclosures with privacy locks.

1. Provide separate toilet facilities for men and women.

2.4 EQUIPMENT

A. Fire Extinguishers: Portable, UL rated; with class and extinguishing agent as required by locations and classes of fire exposures.

B. HVAC Equipment: Provide vented, self-contained, liquid-propane-gas or fuel-oil heaters with individual space thermostatic control.

1. Use of gasoline-burning space heaters, open-flame heaters, or salamander-type heating units is prohibited.

2. Heating Units: Listed and labeled for type of fuel being consumed, by a testing agency acceptable to agency(ies) with jurisdiction, and marked for intended use.

C. Contracting Officers Field Office

1. Outlets: Minimum of two, quad outlets with surge protection.

2. Refrigerator: Under counter, 3.2-cubic-foot volume with 0.8-cubic-foot freezer with dedicated power receptacle.

3. Fire Extinguisher: UL listed and FM approved, minimum rating of 2-A:10-B:C, dry chemical.

4. First-Aid Kit: General office/light industrial kit which includes antiseptic wipes, bandages, disposable gloves, tape, instant cold pack, dressing pads, eye pads, scissors, and acetaminophen or aspirin tablets.

5. Two One desk with five drawers each and two one chair with casters; two one drafting table (minimum 40 inches wide by 5 feet long) and two one stool; drawing rack; two one 2-drawer and one 4-drawer legal size locking filing cabinets with keys; 8 feet of 12-inch deep shelving; coat rack; two one additional guest chair; two one desk lamp; one two drafting table lamp; and a maximum/minimum thermometer.

6. Manufactured computer work station, capable of containing CPU, monitor, keyboard, printer; work station chair.

7. Additional tables necessary for FAX machine and copier.

8. TwoOne 5-gallon trash can and one 30-gallon trash can with lid.

9. Ceiling mounted general lighting fixtures.

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PART 3 - EXECUTION

3.1 INSTALLATION, GENERAL

A. Locate facilities where they will serve Project adequately and result in minimum interference with performance of the Work. Relocate and modify facilities as required by progress of the Work.

1. Locate facilities to limit site disturbance and as directed by the Contracting Officer.

B. Provide each facility ready for use when needed to avoid delay. Do not remove until facilities are no longer needed or are replaced by authorized use of completed permanent facilities.

3.2 TEMPORARY UTILITY INSTALLATION

A. General: Install temporary service or connect to existing service.

1. Arrange with utility company, NPS, and existing users for time when service can be interrupted, if necessary, to make connections for temporary services. Acquire all necessary permits.

B. Storm Sewers and Drainage: Provide temporary utilities to remove effluent lawfully.

1. Connect temporary sewers to municipal system as directed by the agency(ies) with jurisdiction.

C. Non-potable water for construction is not available is available from within the Park.

D. Potable water is available on site. Make connections to existing facilities as needed. Facilities must be cleaned and maintained in a condition acceptable to the NPS. At Substantial Completion, restore these facilities to condition existing before initial use.

E. Sanitary Facilities:

1. Toilets: Place in approved locations secluded from public observation and convenient to work stations. Relocate as work progress requires. Sanitary facilities shall be placed at least 50 feet from water bodies and water drainages.

F. Heating: Provide temporary heating required by construction activities for curing or drying of completed installations or for protecting installed construction from adverse effects of low temperatures or high humidity. Select equipment that will not have a harmful effect on completed installations or elements being installed.

1. Use of permanent heating system will not be allowed without written authorization from Contracting Officer. When the permanent heating system is approved for use as temporary heating, pay all costs until final acceptance. Permanent heating system must be sufficiently complete, including controls, to permit safe operation

2. Provide and maintain adequate approved facilities, as required for safety and construction requirements, during the progress of the work. Provide ample clearance around stoves

01 50 00 - 6 and heaters and all chimney and vent connections to prevent ignition of combustible material

3. Install and maintain temporary filters when air handing equipment is used for temporary heating. Install new filters before final acceptance in addition to any extra sets of filters required. Clean coils as determined by Contracting Officer.

4. Warranties for equipment used for temporary heating shall start on date of Final Acceptance.

G. Ventilation and Humidity Control: Provide temporary ventilation required by construction activities for curing or drying of completed installations or for protecting installed construction from adverse effects of high humidity. Select equipment that will not have a harmful effect on completed installations or elements being installed. Coordinate ventilation requirements to produce ambient condition required and minimize energy consumption.

H. Electric Power Service: Use of existing electric power service will be permitted, as long as equipment is maintained in a condition acceptable to the NPS.

1. When temporary connections are removed, restore existing utility services to their original condition.

I. Lighting: Provide temporary lighting with local switching that provides adequate illumination for construction operations, observations, inspections, and traffic conditions.

1. Install and operate temporary lighting that fulfills security and protection requirements without operating entire system.

J. Telephone Service: No telephone service is available on site for Contractor's use. Make arrangements with Telephone Company and pay all costs.

1. Make arrangements with the telephone company to install 1 lines for the Contracting Officer’s use and pay installation costs.

3.3 SUPPORT FACILITIES INSTALLATION

A. General: Comply with the following:

1. Provide incombustible construction for offices, shops, and sheds located within construction area or within 50 feet of building lines. Comply with NFPA 241.

2. Maintain support facilities until near Substantial Completion. Remove structures, equipment, and furnishings, and terminate services after punch list is 100 percent completed or when directed by Contracting Officer. Personnel remaining after Substantial Completion will be permitted to use permanent facilities, under conditions acceptable to Contracting Officer.

B. The Contracting Officers Field Office:

1. Provide Heat, lights, power, air conditioning, temporary water pressure and sewage holding tanks.

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2. Provide office, furnishings, and utility connections no later than 7 days after date of Notice to Proceed. Exact location will be determined by Contracting Officer.

3. Maintain equipment, furnishings, and structures. Provide equipment replacement elements as needed. Provide weekly cleaning services and trash disposal. Maintain and service water and sewer holding tanks as required.

C. Temporary Roads and Paved Areas: Construct and maintain temporary roads and paved areas adequate for construction operations. Locate temporary roads and paved areas in same location as permanent roads and paved areas. Extend temporary roads and paved areas, within construction limits indicated, as necessary for construction operations.

1. Coordinate elevations of temporary roads and paved areas with permanent roads and paved areas.

2. Prepare subgrade and install subbase and base for temporary roads and paved areas according to Division 31 Section "Earth Moving."

3. Delay installation of final course of permanent hot-mix asphalt pavement until immediately before Substantial Completion. Repair hot-mix asphalt base-course pavement before installation of final course according to Division 32 Section "Asphalt Paving."

D. Traffic Controls: Erect and maintain barricades, lights, danger signals, and warning signs in accordance with Manual on Uniform Traffic Control Devices (MUTCD), Part IV, latest edition.

1. Protect existing site improvements to remain including curbs, pavement, and utilities.

2. Maintain access for fire-fighting equipment and access to fire hydrants.

3. Illuminate barricades and obstructions at night; keep safety lights burning from sunset to sunrise.

4. Adequately barricade and post open cuts in or adjacent to thoroughfares.

5. Protect pedestrian traffic by guardrails or fences.

6. When pedestrian traffic is detoured onto a roadway, provide temporary walkways with protection as required at ends and overhead. For walkways, use lumber running parallel to direction of traffic movement and provide ramps at changes of elevation.

7. Cover pipes, hoses, and power lines crossing sidewalks and walkways with troughs using beveled edge boards.

8. Install Barrier Tape where directed by Contracting Officer. Keep a minimum of two rolls on site at all times

E. Parking: Provide temporary parking areas for construction personnel including one space for the NPS construction management representative.

F. Dewatering Facilities and Drains: Comply with requirements of the agency(ies) with jurisdiction. Maintain Project site, excavations, and construction free of water.

1. Dispose of rainwater in a lawful manner that will not result in flooding Project or adjoining properties nor endanger permanent Work or temporary facilities.

2. Remove snow and ice as required to minimize accumulations.

G. Project Identification and Temporary Signs: Provide Project identification and other signs as shown. Fence, barricade, or otherwise block off the immediate work area to prevent

01 50 00 - 8 unauthorized entry.

1. Provide temporary, directional signs for construction personnel and visitors.

2. Maintain and touchup signs so they are legible at all times.

3. Erect and maintain sufficient detour signs at road closures and along detour routes.

H. Waste Disposal Facilities: Provide waste-collection containers in sizes adequate to handle waste from construction operations. Comply with requirements of agency(ies) with jurisdiction.

3.4 SECURITY AND PROTECTION FACILITIES INSTALLATION

A. Environmental Protection: Provide protection, operate temporary facilities, and conduct construction in ways and by methods that comply with environmental regulations and that minimize possible air, waterway, and subsoil contamination or pollution or other undesirable effects.

B. Cleaning of Equipment: The Contractor shall ensure that prior to moving on to the Project Area, all equipment, is free of soil, seeds, vegetative matter, or other debris that could contain or hold seeds. Ensure that all equipment has been pressure washed and is free of exotic species prior to start-up of operations and moving of equipment to Project Area. Equipment shall be considered free of soil, seeds, and other debris when a visual inspection does not disclose such material. Disassembly of equipment components or specialized inspection tools are not required.

C. Temporary Erosion and Sedimentation Control: Refer to Section 01 57 23 “Temporary Storm Water Pollution Prevention”.

D. Tree and Plant Protection: Refer to Section 01 11 00 Summary of Work and Section 01 35 50 Tree Protection.

E. Pest Control: Follow NPS requirements and practices to minimize attraction and harboring of rodents, roaches, and other pests and to perform extermination and control procedures at regular intervals so Project will be free of pests and their residues at Substantial Completion. Perform control operations lawfully, using environmentally safe materials.

F. Site Enclosure Fence: Before construction operations begin, furnish and install chain link fencing in a manner that will prevent people and animals from easily entering site except by entrance gates.

1. Extent of Fence: As required to enclose entire Project site or portion determined sufficient to accommodate construction operations.

2. Locate vehicular gates to avoid interference with traffic on public thoroughfares.

3. Locate pedestrian entrance gates as required to provide controlled personnel entry.

4. Maintain security by limiting number of keys and restricting distribution to authorized personnel. Provide Contracting Officer with one set of keys.

G. Security Enclosure and Lockup: Install substantial temporary enclosure around partially completed areas of construction. Provide lockable entrances to prevent unauthorized entrance, vandalism, theft, and similar violations of security.

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H. Barricades, Warning Signs, and Lights: Comply with requirements of MUTCD, part IV, 2003 edition for erecting structurally adequate barricades, including warning signs and lighting.

I. Temporary Fire Protection: Install and maintain temporary fire-protection facilities of types needed to protect against reasonably predictable and controllable fire losses. Comply with

NFPA 241.

1. Responsible Person: A capable and qualified person shall be placed in charge of fire protection. The responsibilities shall include locating and maintaining fire protective equipment and establishing and maintaining safe torch cutting and welding procedures.

2. Smoking: Smoking within buildings or temporary storage sheds is prohibited.

3. Supervise welding operations, combustion-type temporary heating units, and similar sources of fire ignition according to requirements of NPS. A Hot Work permit is required for all torch and welding operations. See Section 01 10 00, Summary of Work.

4. Develop and supervise an overall fire-prevention and -protection program for personnel at Project site. Review needs with local fire department and establish procedures to be followed. Instruct personnel in methods and procedures. Post warnings and information.

5. Provide temporary standpipes and hoses for fire protection. Hang hoses with a warning sign stating that hoses are for fire-protection purposes only and are not to be removed.

Match hose size with outlet size and equip with suitable nozzles.

6. Hazard Control: Take all necessary precautions to prevent fire during construction. Do not store flammable or combustible liquids in existing buildings. Provide adequate ventilation during use of volatile or noxious substances.

7. Spark Arresters: Equip all gasoline or diesel powered equipment used during periods of potential fire hazards or in potential forest and grass fire locations with spark arresters approved by the USDA Forest Service.

a. Written determinations of periods and areas of potential fire hazard will be issued by Contracting Officer.

8. Vehicles and Equipment: Provide one extinguisher on each vehicle or piece of equipment.

9. Service and Refueling Areas: Locate areas a minimum of 50 feet from buildings and in conformance with the requirements of Section 01 57 23. Shut down equipment before refueling.

3.5 OPERATION, TERMINATION, AND REMOVAL

A. Supervision: Enforce strict discipline in use of temporary facilities. To minimize waste and abuse, limit availability of temporary facilities to essential and intended uses.

B. Maintenance: Maintain facilities in good operating condition until removal.

1. Maintain operation of temporary enclosures, heating, cooling, humidity control, ventilation, and similar facilities on a 24-hour basis where required to achieve indicated results and to avoid possibility of damage.

C. Temporary Facility Changeover: Do not change over from using temporary security and protection facilities to permanent facilities until Substantial Completion.

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D. Termination and Removal: Remove each temporary facility when need for its service has ended, when it has been replaced by authorized use of a permanent facility, or no later than Substantial Completion. Complete or, if necessary, restore permanent construction that may have been delayed because of interference with temporary facility. Repair damaged Work, clean exposed surfaces, and replace construction that cannot be satisfactorily repaired.

1. Materials and facilities that constitute temporary facilities are property of Contractor.

NPS reserves right to take possession of Project identification signs.

2. At Substantial Completion, clean and renovate permanent facilities used during construction period.

END OF SECTION 01 50 00