01_50_00_TEMPORARY_FACILITIES_AND_CONTROLS_FINAL.pdf

Design Build Two Step

Section 01 50 00-Page 1

SECTION 01 50 00 - TEMPORARY FACILITIES AND CONTROLS

PART 1 - GENERAL

1.1 RELATED DOCUMENTS

A. Drawings and general provisions of the Contract, including General and Supplementary

Conditions and other Division 1 Specification Sections, apply to this Section.

1.2 SUMMARY

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

B. Related Sections:

1. Division 1 Section "Summary of Work" for work restrictions and limitations on utility interruptions.

2. Division 1 Section "Work Restrictions at NIST" for work restrictions and limitations on utility interruptions.

3. The US Army Corps of Engineers Safety and Health Requirements Manual (EM 385-1-1)

1.3 USE CHARGES

A. General: Installation and removal of and use charges for temporary facilities shall be included in the Contract Sum unless otherwise indicated. Allow other entities to use temporary services and facilities without cost, including, but not limited to, COR, contractor funded testing agencies, and authorities having jurisdiction.

B. Water and Sewer Service from Existing System: Water from Contracting Officer's existing water system is available for use without metering and without payment of use charges. Provide connections and extensions of services as required for construction operations.

C. Electric Power Service from Existing System: Electric power from Contracting Officer's existing system is available for use without metering and without payment of use charges. Provide connections and extensions of services as required for construction operations.

D. Communications Systems: Contractor shall provide and pay for all phone, wireless, and data services.

1. The Contractor shall arrange with the local phone service provider through the COR to have telephone lines installed in the Contractor’s office trailers.

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1.4 ACTION SUBMITTALS

A. Construction Site Plan: Prior to the start of work, submit a site plan showing the locations and dimensions of temporary facilities (including layouts and details, equipment and material storage area (onsite and offsite), and access and haul routes, avenues of ingress/egress to the fenced area and details of the fence installation. Identify any areas which may have to be graveled to prevent the tracking of mud. 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, and worker parking areas.

B. Disposal of Refuse: The Contractor is totally responsible for the removal of all refuse associated with this project. The Contractor shall remove all refuse associated with the construction operations from the site and dispose of it in accordance with the requirements of the local jurisdiction.

C. Disposal of Hazardous Wastes: Any hazardous wastes generated by the Contractor shall be properly controlled and disposed by the Contractor in accordance with applicable RCRA (40CFR) and COMAR (Title 26) regulations.

D. Erosion and Sedimentation Control Plan: All erosion and sediment controls shall be designed, installed and maintained in accordance with the Maryland Standards and Specifications for Soil

Erosion and Sediment Control and the Erosion and Sediment Control Guidelines by MDE. All sediment and erosion controls shall be designed in accordance with federal, state, and or local requirements, whichever is more stringent. A Maryland General Permit for Construction

Activity, Erosion and Sediment Control and Stormwater Management approval by MDE shall be developed and secured by the Contractor.

E. Moisture-Protection Plan: Describe procedures and controls for protecting materials and construction from water absorption and damage, including delivery, handling, and storage provisions for materials subject to water absorption or water damage, discarding water-damaged materials, protocols for mitigating water intrusion into completed Work, and replacing water damaged Work.

1. Indicate sequencing of work that requires water, such as sprayed fire-resistive materials, plastering, and terrazzo grinding, and describe plans for dealing with water from these operations. Show procedures for verifying that wet construction has dried sufficiently to permit installation of finish materials.

F. Dust-Control and HVAC-Control Plan: Submit coordination drawing and narrative that indicates the dust-control and HVAC-control measures proposed for use, proposed locations, and proposed time frame for their operation. Identify further options if proposed measures are later determined to be inadequate. Include the following:

1. Locations of dust-control partitions at each phase of the work.

2. HVAC system isolation schematic drawing.

3. Location of proposed air filtration system discharge.

4. Other dust-control measures.

5. Waste management plan.

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1.5 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. Tests and Inspections: Arrange for authorities having jurisdiction to test and inspect each temporary utility before use. Obtain required certifications and permits.

C. Accessible Temporary Egress: Comply with applicable provisions in the U.S. Architectural &

Transportation Barriers Compliance Board's ADA-ABA Accessibility Guidelines.

1.6 PROJECT CONDITIONS

A. Temporary Use of Permanent Facilities: Engage installer of each permanent service to assume responsibility for operation, maintenance, and protection of each permanent service during its use as a construction facility before Contracting Officer's acceptance, regardless of previously assigned responsibilities.

PART 2 - PRODUCTS

2.1 MATERIALS

A. Chain-Link Fencing: Minimum 2-inch, 0.148-inch- thick, galvanized steel, chain-link fabric fencing; minimum 6 feet high with galvanized steel pipe posts; minimum 2-3/8-inch-OD line posts and 2-7/8-inch- OD corner and pull posts

B. Dust Control Adhesive-Surface Walk-off Mats: Provide mats minimum 36 by 60 inches.

2.2 CONSTRUCTION FENCE

1. The Contractor shall furnish and install at his own expense, retain contracting ownership of and remove when no longer required or as directed by the COR, a construction fence following the contract limit lines. The layout must be approved by the COR prior to installation by the Contractor.

2. Variations in location of the fence as shown will be considered where construction fence can also serve as a protection for wooded areas, trees and shrubs which are to remain, as described elsewhere in the Technical Specifications.

2.3 EQUIPMENT

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

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B. HVAC Equipment: Unless Contracting Officer authorizes use of permanent HVAC system, 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 contractor funded testing agency acceptable to authorities having jurisdiction, and marked for intended use.

3. Permanent HVAC System: If Contracting Officer authorizes use of permanent HVAC system for temporary use during construction, provide filter with MERV of 8 at each return air grille in system and remove at end of construction.

C. Air Filtration Units: HEPA primary and secondary filter-equipped portable units with four-stage filtration. Provide single switch for emergency shutoff. Configure to run continuously.

D. Construction Site Maintenance:

1. The Contractor shall store all supplies and equipment on project site so as to preclude mechanical and climatic damage. Maintain site in a neat and orderly manner.

2. Contractor shall be responsible for maintaining any temporary structures in good repair and visually pleasant.

E. Noise Control:

1. The Contractor shall comply with all applicable local laws, ordinances, and regulations relative to noise control. Equipment to be employed on this site shall not produce a noise level exceeding the following limits in dB(A) at a distance of 50 feet from the equipment under test.

a. Equipment:

1) Materials Handling

a) concrete mixer 85

b) concrete pump 82

c) crane 83

d) derrick 88

2) Stationary

a) pumps 76

b) generators 78

c) compressors 81

3) Impact

a) jack hammers 88

b) pneumatic tools 86

4) Other

a) saws 78

b) vibrators 76

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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 as specified in Division 1 Section "Summary of

Work"

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 NIST COR & Contracting Officer for time when service can be interrupted, if necessary, to make connections for temporary services.

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

1. Connect temporary sewers to private system indicated as directed by authorities having jurisdiction.

C. Water Service: Install water service and distribution piping in sizes and pressures adequate for construction. Install backflow preventers on all potable distribution connections , with isolation by-pass. Install heat trace and/or insulate as required.

D. Water Service: Connect to Contracting Officer's existing water service facilities. Clean and maintain water service facilities in a condition acceptable to Contracting Officer. At Substantial

Completion, restore these facilities to condition existing before initial use.

E. Sanitary Facilities: Provide temporary toilets, wash facilities, and drinking water for use of construction personnel. Comply with requirements of authorities having jurisdiction for type, number, location, operation, and maintenance of fixtures and facilities.

1. Contractor shall provide portable toilet accommodations for construction personnel. The toilet units shall be kept in sanitary condition, regularly maintained, and, on completion of the contract, shall be removed leaving the premises clean. Location of portable toilet facilities must be approved by the COR.

F. Heating and Cooling: Provide temporary heating and cooling 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.

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G. Waste Disposal Facilities: Provide waste collection and recycling containers in sizes adequate to handle waste from construction operations. Containerize and clearly label hazardous, dangerous or unsanitary waste materials separately from salvageable and recycled materials.

H. 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.

1. Provide dehumidification systems when required to reduce substrate moisture levels to level required to allow installation or application of finishes.

I. Electric Power Service: Connect to Contracting Officer's existing electric power service.

Maintain equipment in a condition acceptable to Contracting Officer.

J. Electric Power Service: Provide electric power service and distribution system of sufficient size, capacity, and power characteristics required for construction operations.

1. Install electric power service underground, unless otherwise indicated.

2. Connect temporary service to Contracting Officer's existing power source, as directed by

Contracting Officer.

K. Telecommunications and Data: Telephone and data service will be fee-for-service Wi-Fi to all

Contractor trailers. Installation of fiber will be to the Government trailer IT/TelComm service closet and distributed radially to contractor project trailer facilities.

1. Install service ductbanks underground to extents provided by the COR, unless otherwise indicated.

2. Installation of wire will be performed by the Government. Coordinate work accordingly with the Contractors site plan.

L. 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.

2. Install lighting for Project identification sign.

3.3 SUPPORT FACILITIES INSTALLATION

A. General: Comply with the following:

1. Provide construction for temporary offices, shops, and sheds located within construction area or within 30 feet of building lines that is noncombustible according to ASTM E 136.

Comply with NFPA 241.

2. If office trailers are type V-B construction:

a. Limited to 9,000 sf for non-sprinklered offices.

Section 01 50 00-Page 7

b. Detection and notification must be provided per NFPA 72

c. Minimum separation distance of 30 feet from other structures.

B. Temporary Roads and Paved Areas: Construct and maintain temporary roads and paved areas adequate for construction operations. Locate temporary roads and paved areas within construction limits indicated on Drawings.

1. Provide dust-control treatment that is nonpolluting and non-tracking. Reapply treatment as required to minimize dust.

C. Temporary Use of Permanent Roads and Paved Areas: Locate temporary roads and paved areas in same location as permanent roads and paved areas. Construct and maintain temporary roads and paved areas adequate for construction operations. 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 EM 385-1-1.

3. Recondition base after temporary use, including removing contaminated material, regrading, proof-rolling, compacting, and contractor funded testing.

4. Delay installation of final course of permanent hot-mix asphalt pavement until immediately before Substantial Completion.

D. Traffic Controls: Comply with requirements of authorities having jurisdiction.

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. Provide personnel “flagger(s)” to control and direct construction vehicular traffic.

E. Parking: Refer to Contract Documents for location of temporary parking.

F. Dewatering Facilities and Drains: Comply with requirements of authorities having 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 Signs: Provide Project signs as indicated. Unauthorized signs are not permitted.

1. Identification Signs: Provide Project identification signs as indicated on Drawings or in task order.

a. Within fifteen (15) days after commencement of work, the Contractor shall provide one sign approximately 4’ X 6’ in a design designated by NIST. The sign will contain applicable project information including the name of the Contractor, the name of the Contractors representative and his telephone number, the title and

Section 01 50 00-Page 8 contract number of the project, and any other specific information and format provided by the COR. The construction sign must be approved prior to installation. An acceptable vendor is mgr.catonsville@signsby tomorrow.com.

NIST will provide format and CADD file with design template after award. The

COR will select the location for the sign.

2. Temporary Signs: Provide other signs as indicated and as required to inform public and individuals seeking entrance to Project.

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

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

H. Waste Disposal Facilities: Comply with requirements specified in Division 1 Section

"Construction Waste Management and Disposal."

I. Waste Disposal Facilities: Provide waste-collection containers in sizes adequate to handle waste from construction operations. Comply with requirements of authorities having jurisdiction.

Comply with Division 1 Section "Construction Waste Management and Disposal" for progress cleaning requirements.

J. Lifts and Hoists: Provide facilities necessary for hoisting materials and personnel.

1. Truck cranes and similar devices used for hoisting materials are considered "tools and equipment" and not temporary facilities.

K. Temporary Offices if required in task order:

1. Contractor’s Temporary Facilities: The construction site plan shall show how access to the existing facilities is maintained. This includes existing access roads and future access from the North Campus development. This construction site plan shall be approved by the

Government before construction of temporary facilities is started.

2. Government Field Office

a. At least 1,840 square feet of office space with skirted base and tie downs in accordance with EM-385-1-1. Design and construct suitable access deck, stairs, handicap accessible ramp for the project trailer as approved by the government.

b. Provide standard climate control with forced hot air and HVAC.

c. A separate Men’s and Women’s toilet with lavatory supply water from domestic water utility and tie sanity line to sewer utility.

d. 6 workstations approximately 12’ x 10’ in size.

e. One separate conference room with projector screen. Conference room shall be large enough to seat 12 employees at the main conference room table. Appropriate size conference table and chairs to be provided.

f. One communications service closet 8’ x 6’ in size.

g. One security closet 8’ x 6’ in size for UPS and routers to serve the workstations and separately conditioned. Provide a lockable door.

h. File storage area (min 20’ x 20’) with power and data outlets for two network printers. Include 2 drawing tables.

i. Kitchen/break room with one sink and counter, cabinets, one refrigerator, one microwave, tables and chairs to seat 6, Supply water from domestic water utility.

mailto:mgr.catonsville@signsby

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j. Provide entry doors equipped for automatic actuation with Government PIV card and handicap access. Provide hardware with a magnetic lock to receive GFE security card reader or equivalent hardware. Currently, NIST uses Von Duprin hardware.

k. Each workstation to include a 36” x 72” desk with a 24” x 48” return with drawers, internally wired for electrical power, one ergonomic high back desk chair, task lighting/desk lamp, and a 5 shelf bookcase. All workstations and conference room to be furnished with an appropriate size white board.

l. Provide construction site plan and office layout for approval by the COR.

3. Services and Connections: Connect water, sanitary, and other required services to the existing site utilities adequately sized and correctly placed to perform their function without damage or interruption of service.

4. Maintenance Service: Provide all maintenance including light, HVAC/heat, water, sanitary, and janitorial service during the contract period or until removal as directed by the COR. Keep in neat and clean condition and wash windows periodically.

5. Removal and Clean Up: Remove temporary facilities promptly upon written direction from the COR. All services shall be disconnected, capped, or removed as appropriate and the area left free of any features resulting from the installation.

3.4 SECURITY AND PROTECTION FACILITIES INSTALLATION

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

1. Comply with work restrictions specified in Division 1 Sections "Summary of Work” and

“Work Restrictions at NIST”.

B. Temporary Erosion and Sedimentation Control: Provide measures to prevent soil erosion and discharge of soil-bearing water runoff and airborne dust to undisturbed areas and to adjacent properties and walkways, according to erosion- and sedimentation-control Drawings.

1. Verify that flows of water redirected from construction areas or generated by construction activity do not enter or cross tree- or plant- protection zones.

2. Inspect, repair, and maintain erosion- and sedimentation-control measures during construction until permanent vegetation has been established.

3. Clean, repair, and restore adjoining properties and roads affected by erosion and sedimentation from the project site during the course of the project.

4. Remove erosion and sedimentation controls and restore and stabilize areas disturbed during removal.

C. Stormwater Control: Comply with requirements of authorities having jurisdiction. Provide barriers in and around excavations and subgrade construction to prevent flooding by runoff of stormwater from heavy rains.

D. Grass Maintenance: Cut grass in the construction area if it exceeds 8” in height.

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E. Tree and Plant Protection: Every attempt shall be made to preserve and protect the natural site and existing plants and the Contractor shall be responsible for protecting existing plantings during construction. Tree protection shall be included with the approved Erosion and Sediment Control part of the design for existing trees to remain that are within the limits of construction. For tree preservation, root pruning shall be utilized when excavating within an existing tree’s root zones and drip lines

F. Tree and Plant Protection: Install temporary fencing located as indicated or outside the drip line of trees to protect vegetation from damage from construction operations. Protect tree root systems from damage, flooding, and erosion.

G. Site Enclosure Fence: Before construction operations begins, furnish and install site enclosure fence in a manner that will prevent people and animals from easily entering site except by entrance gates.

1. Extent of Fence: As indicated on Drawings.

2. Maintain security by limiting number of keys and restricting distribution to authorized personnel. Furnish one set of keys to Contracting Officer.

H. Security Enclosure: Install temporary enclosure around partially completed areas of construction.

I. Barricades, Warning Signs, and Lights: Comply with requirements of authorities having jurisdiction for erecting structurally adequate barricades, including warning signs and lighting.

J. Temporary Egress: Maintain temporary egress from existing occupied facilities as indicated and as required by authorities having jurisdiction.

K. Temporary Enclosures: Provide temporary enclosures for protection of construction, in progress and completed, from exposure, foul weather, other construction operations, and similar activities.

Provide temporary weathertight enclosure for building exterior.

1. Where heating or cooling is needed and permanent enclosure is not complete, insulate temporary enclosures.

L. 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. Prohibit smoking in construction areas.

2. Supervise welding operations, combustion-type temporary heating units, and similar sources of fire ignition according to requirements of authorities having jurisdiction.

3. 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.

4. 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.

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3.5 MOISTURE AND MOLD CONTROL

A. Contractor's Moisture-Protection Plan: Avoid trapping water in finished work. Document visible signs of mold that may appear during construction.

B. Exposed Construction Phase: Before installation of weather barriers, when materials are subject to wetting and exposure and to airborne mold spores, protect as follows:

1. Protect porous materials from water damage.

2. Protect stored and installed material from flowing or standing water.

3. Keep porous and organic materials from coming into prolonged contact with concrete.

4. Remove standing water from decks.

5. Keep deck openings covered or dammed.

C. Partially Enclosed Construction Phase: After installation of weather barriers but before full enclosure and conditioning of building, when installed materials are still subject to infiltration of moisture and ambient mold spores, protect as follows:

1. Do not load or install drywall or other porous materials or components, or items with high organic content, into partially enclosed building.

2. Keep interior spaces reasonably clean and protected from water damage.

3. Periodically collect and remove waste containing cellulose or other organic matter.

4. Discard or replace water-damaged material.

5. Do not install material that is wet.

6. Discard, replace or clean stored or installed material that begins to grow mold.

7. Perform work in a sequence that allows any wet materials adequate time to dry before enclosing the material in drywall or other interior finishes.

D. Controlled Construction Phase of Construction: After completing and sealing of the building enclosure but prior to the full operation of permanent HVAC systems, maintain as follows:

1. Control moisture and humidity inside building by maintaining effective dry-in conditions.

2. Use permanent HVAC system to control humidity.

3. Comply with manufacturer's written instructions for temperature, relative humidity, and exposure to water limits.

a. Hygroscopic materials that may support mold growth, including wood and gypsum-based products, that become wet during the course of construction and remain wet for 48 hours are considered defective.

b. Measure moisture content of materials that have been exposed to moisture during construction operations or after installation. Record daily readings over a forty-eight-hour period. Identify materials containing moisture levels higher than allowed. Report findings in writing to the COR.

c. Remove materials that cannot be completely restored to their manufactured moisture level within 48 hours.

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3.6 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.

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.

Contracting Officer reserves right to take possession of Project identification signs.

2. Remove temporary roads and paved areas not intended for or acceptable for integration into permanent construction. Where area is intended for landscape development, remove soil and aggregate fill that do not comply with requirements for fill or subsoil. Remove materials contaminated with road oil, asphalt and other petrochemical compounds, and other substances that might impair growth of plant materials or lawns. Repair or replace street paving, curbs, and sidewalks at temporary entrances, as required by authorities having jurisdiction.

3. At Substantial Completion, repair, renovate, and clean permanent facilities used during construction period. Comply with final cleaning requirements specified in Division 1

Section "Closeout Procedures."

END OF SECTION 01 50 00