Statement of Work Building 1915.pdf

DESIGN ANALYSIS

FINAL CONCEPTUAL DESIGN SUBMITTAL

Repair Fire Suppression HVAC Mold 89 MXG Fuel Cell, Building 1915

Joint Base Andrews, MD Contract No. FA8903-16-D-0003 Task Order: FA8903-18-F-0015

December 11, 2019

PROJECT TEAM

Contractor GCAG/SCG JV Installation POC David Doyle, Phone #(301)981-2402

AFCEE COR Eric Staph, Phone #(210)395-9056 Preparer GCAG/SCG JV, Phone #(850)607-7328

Design Analysis Repair Fire Suppression HVAC Mold 89 MXG Fuel Cell, Building 1915 Joint Base Andrews, MD

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Design Analysis Repair Fire Suppression HVAC Mold 89 MXG Fuel Cell, Building 1915

TABLE OF CONTENTS

PART I DESIGN ANALYSIS

A. Architectural

1. Repair and remediate office area

2. Additional Items Not Included in the Statement of Work

B. Interior Finishes C. Plumbing

1. Scope of Work

2. Existing Conditions

3. Design Criteria

4. New Work

D. HVAC

1. Scope of Work

2. Existing Conditions

3. Design Criteria

4. New Work

E. Structural

1. References

2. Design Criteria

3. Summary

F. Fire Protection/Life Safety

1. Building code Analysis, Occupancy Classification

2. Compliance with UFC 3-600-01 and National Fire Codes

3. Analysis of Automatic Sprinkler Systems and Suppression Systems and Protected Areas 21

4. Fire Protection Water Supplies

5. Smoke Control Methods and Smoke Control Systems

6. Fire Alarm System and connection to the Base Fire Alarm Reporting System

7. Mass Notification System

8. Standpipe Systems and fire Extinguishers

9. Coordination with Security and Antiterrorism Requirements

10. Fire Protection during Construction

11. Fire Department Access

G. Electrical

1. Scope of Work

2. Existing Conditions

3. Design Criteria

4. New Work

PART II SPECIFICATIONS

A. Division 01 B. Division 2 through 34

PART III APPENDICES

Design Analysis Repair Fire Suppression HVAC Mold 89 MXG Fuel Cell, Building 1915

A. Advanced Final Design Submission Comments/Responses A. RFI’s B. Cost Estimate C. QC Checklist

End of Table of Contents

Design Analysis Repair Fire Suppression HVAC Mold 89 MXG Fuel Cell, Building 1915

PART I DESIGN ANALYSIS

A. Architectural

Building 1915 is located at Joint Base Andrews in Maryland, and was constructed in 1969. The primary function B1915 is fuel cell maintenance, and the hangar often contains fueled aircraft.

The hangar is located within the flight line and, as such, it is a controlled/restricted area, and escort will be required for workers without appropriate clearances. The work must be scheduled so as to minimize the impact on mission operations.

The following Unified Facilities Criteria (UFC), and other codes and standards, are referenced for the Architectural portion of this project. No waivers or exceptions are required:

UFC 1-200-01 DoD Building Code (General Building Requirements) UFC 1-200-02 High Performance and Sustainable Building Requirements UFC 3-101-01 Architecture UFC 3-120-01 Design: Sign Standards UFC 3-120-10 Interior Design UFC 4-010-01 DoD Minimum Antiterrorism Standards for Buildings IBC 2015 International Building Code IEBC 2015 International Existing Building Code ABA 2015 The Architectural Barriers Act Standards AFMAN 32-1084 Facility Requirements Standards

The architectural scope of work in B1915 includes miscellaneous finish upgrades throughout the building, as well as supporting the work of the other disciplines, such as repair or replacement of partitions, ceilings, flooring, and other finish materials required by mechanical, electrical, or fire protection work. Investigations of existing conditions included on-site field investigations, and examination of records and documents provided by the Government.

1. Repair and remediate office area

The office area in B1915, which is approximately 2000sf, has sustained severe water damage, and subsequent mold contamination. The entire office area is currently uninhabitable. All finish materials in the office area and restroom – including doors and frames, gypsum wallboard, flooring materials, suspended acoustical ceiling system, ceramic tile, and above-ceiling insulation – are to be removed, existing surfaces remediated, and the entire area rebuilt. Provide new:

• Drywall partitions and wall finishes

• Doors and frames

• Suspended acoustical ceiling system, including grids, supports, tiles, lighting, and

HVAC and fire alarm devices.

• Flooring materials, including carpet, VCT, ceramic tile, and base as required.

Design Analysis Repair Fire Suppression HVAC Mold 89 MXG Fuel Cell, Building 1915

2. Additional Items Not Included in the Statement of Work

• Replace all exterior doors – It has been noted that many of the exterior doors were in very poor condition. It is recommended that all exterior doors, frames, and hardware be replaced in kind. This includes the man doors within the hangar doors. It does not, however, include the hangar doors themselves.

• Replace flashing at overhead door in hangar – It is recommended that the flashing at the existing overhead door, which is located above the hangar doors in the hangar, should be replaced to prevent the infiltration of water into the hangar.

Design Analysis Repair Fire Suppression HVAC Mold 89 MXG Fuel Cell, Building 1915

B. Interior Finishes

Office Spaces: carpet tile in administrative spaces; linear vinyl tile in break areas and support spaces; rubber base; painted gypsum board walls; suspended acoustical tile ceilings.

Design Analysis Repair Fire Suppression HVAC Mold 89 MXG Fuel Cell, Building 1915

C. Plumbing

1. Scope of Work

The plumbing for this project includes both demolition and new work:

a. Replace the hand wash sink in the toilet / locker room.

b. Replace the electric water cooler in the hangar.

2. Existing Conditions

The plumbing systems in Building 1915 are generally not included in the scope of work. The existing conditions for the areas of work are:

a. Toilet / Locker Room (109): The existing multi-person hand wash sink has little flow and needs to be replaced.

b. Hangar (101): The electric water cooler isn’t functioning properly and needs to be replaced.

3. Design Criteria

Design and installation will be in accordance with the International Plumbing Code (IPC), including the IPC supplemental requirements within UFC 3-420-01, Plumbing Systems, and in accordance with all Government requirements, regional, and national applicable codes, and UFC criteria effective at issue date of the RFP.

New plumbing fixtures and faucets will meet the water-efficiency requirements of UFC 3-420-01, Plumbing Systems, and UFC 1-200-02, High Performance and Sustainable Building Requirements, which requires compliance with ASHRAE 189.1, Standard for the Design of High-Performance Green Buildings, Section 6.3.2 (Building Water Use Reduction).

Advance Metering and On-Site Renewable Energy and Solar Hot Water study will not be required for this project. New Metering and new domestic water heater are not in scope for this project. Existing gas meter and domestic water heater will remain and be reused.

4. New Work

The demolition and new plumbing work in Building 1915 is:

a. Multi-person handwash sink: The existing multi-person handwash sink will be replaced with a similar sink. The new sink will be in the Hangar (101). Piping will be provided as required to connect to the existing domestic hot and cold water and sanitary systems. Individual stops will be provided for the new sink.

b. Electric water cooler: One (1) free-standing electric water cooler will be replaced.

Piping will be provided/adjusted as required to connect to the existing domestic cold water and sanitary systems. An individual stop will be provided.

Multi-Person Handwash

Sink

Design Analysis Repair Fire Suppression HVAC Mold 89 MXG Fuel Cell, Building 1915

Design Analysis Repair Fire Suppression HVAC Mold 89 MXG Fuel Cell, Building 1915

D. HVAC

The mechanical work for this project includes both demolition and new work:

a. Add climate control and freeze protection for the foam equipment room.

b. Replace heat generation and distribution system.

c. Replace R-22 cooling generation and distribution systems.

d. Replace air handling and distribution systems.

e. Replace air exhaust systems.

f. Replace office area HVAC.

2. Existing Conditions

The fuel sources for Building 1560 are natural gas and electricity. The mechanical systems in Building 1915 are generally aged and are included in the scope of work for replacement. The existing mechanical systems are:

a. Heating: The existing heating hot water equipment serving the hangar is in the mechanical room and includes the following:

1) Two (2) natural gas fired boilers with an input of

1,000 MBH each. Aerco KC Series.

2) Two (2) base-mounted constant volume (CV) pumps with a capacity of 115 gpm each and associated expansion tank, air separator, etc. Flow Fab 880-3x3- 10.

b. Fuel Tank Purge System: The purge system provides exhaust from the fuel tank and makes up the air with cooled and heated outdoor air during cleaning operations. Equipment for the Purge System is:

1) Two (2) indoor, platform mounted, constant volume air handling units (AHUs) provide 100% outside air required for maintenance procedures in the hangar. Cooling is provided by DX cooling coils mounted in the AHUs and two ground mounted air-cooled condensing units connected to the AHUs by refrigerant pipes. Heating is provided by hot water coils mounted in the AHUs connected to the building heating hot water system. The AHUs are in the hangar and should be in a mechanical room in accordance with UFC-4-211-01, Aircraft Maintenance Hangars.

Aerco Boiler

Purge AHU

Heating Pumps

Design Analysis Repair Fire Suppression HVAC Mold 89 MXG Fuel Cell, Building 1915

2) Two (2) outdoor, weatherproof, centrifugal exhaust fans (EFs) with stacks extending above the roofline.

3) The air quantities are 4,000 cfm each for the two AHUs and 4,000 cfm each for the two EFs.

c. Heating and Ventilation: For the Hangar. There is no mechanical cooling for the hangar.

1) Two (2) indoor, constant volume heating and ventilating units (H&Vs) provide a mixture of outside air and recirculating air that varies from 3,000 cfm each to 7,230 cfm each of outside air as required to maintain the temperature in the hangar. A heating hot water coil in each H&V adds heat to maintain the temperature when the unit is providing the minimum outside air.

2) One (1) 5,400-cfm exhaust fan.

3) Two (2) relief louvers mounted low on the wall.

d. Unit Heaters: In the Hangar.

1) Three (3) indoor, suspended hot water UHs are mounted approximately 35 feet above the floor with heating water piping to them and local thermostatic control.

2) Each UH had a capacity of 362 MBH noted on the original drawings.

e. Office Area Systems:

1) Four (4) Packaged Thru Wall Air Conditioner (PTAC) heat pumps. McQuay 061325008.

2) Toilet / Locker room exhaust fan is not functioning.

3) Toilet / Locker room heater is in poor condition.

f. Foam Equipment Room: Currently the foam equipment room has an electric unit heater. The room does not currently have cooling or ventilation. The existing unit heater will be removed.

3. Design Criteria

Design and installation will be in accordance with the International Mechanical Code (IMC), including the IMC supplemental requirements within UFC 3-410-01, and UFC 3-401-01, Mechanical Engineering, and in accordance with all Government requirements, regional, and national applicable codes, and UFC criteria effective at issue date of the RFP.

Calculations for the HVAC system simulation including heating and cooling loads and energy use analysis will be performed with a computer simulation program that meets ANSI/ASHRAE/ACCA Standard 183, Trane TRACE. A 40-year Life Cycle Cost Analysis (LCCA) will be performed to determine the replacement HVAC systems in accordance with UFC 1-200-02 and using the National Institute of Standards and

H&V Unit

Office PTAC

Design Analysis Repair Fire Suppression HVAC Mold 89 MXG Fuel Cell, Building 1915

Technology (NIST) BLCC program. The goal is to achieve 30% energy reduction compared to ASHRAE 90.1 base building design in accordance to UFC 1-200-02.

However, if the goal is not life-cycle cost-effective, the proposed building system should achieve an energy consumption level at the highest level of energy efficiency that is life-cycle cost-effective.

The design parameters that will be used to determine the heating and cooling loads are provided below:

a. Outdoor Conditions: In accordance with UFC 3-410-01, outdoor conditions are base from the latest UFC 3-400-02 Engineering Weather Data:

1) Outdoor conditions for cooling are:

a) The 1.0% dry bulb (DB) and corresponding mean coincident wet bulb

(MCWB).

b) The 1.0% humidity ratio (HR) and corresponding mean coincident dry bulb (MCDB) temperature.

c) Size condensers and condensing units for 5°F above the outdoor temperature.

Condition °F DB °F WB °F DP

1.0% DB/

MCWB

91.0 74.0 66.93

1.0% HR/ MCDB 80.2 75.3 73.5

Table 1. Outdoor Conditions for Cooling Design

2) Outdoor conditions for heating are the 99% dry bulb (DB): 18.7°F.

3) Design preheat coils for an outside DB temperature of 0°F.

b. Indoor Conditions: The required conditions in UFC 3-410-01, Change 4, 01 November 2017 and used in the LCCA are:

1) Indoor conditions required for cooling and heating are:

Space Type Cooling Heating

DB, °F % RH DP, °F DB, °F

Office 78.0 - 55.0 68.0

Fuel Cell Purge System 78.0 - 55.0 70.0 Fuel Cell Hangar none none none 55.0

Foam Equipment Room 78.0 50% 57.9 68.0 Table 2. Indoor Conditions for Cooling and Heating

Design Analysis Repair Fire Suppression HVAC Mold 89 MXG Fuel Cell, Building 1915

2) For unoccupied mode, provide the following night setback temperatures:

3) Humidification is not required.

4) Provide dehumidification by cooling the air to a dew point of 57.9°F or lower.

c. Building Envelope: The approximate existing envelope U-values shown below are higher than current ASHRAE values:

1) Hangar Exterior Walls: U = 0.14 Btuh/SF-°F

2) Office Exterior Walls: U = 0.22 Btuh/SF-°F

3) Hangar Roof: U = 0.18 Btuh/SF-°F

4) Office Roof: U = 0.14 btuh/SF-°F

d. Internal Loads: Verify the occupancy and heat loads from all sources including

Government furnished equipment prior to performing calculations.

Space Type Occupants Heat Gain/Person Sens/Latent (btuh)

Lighting

(W/SF) *

Equipment

(W/SF)

Office 6 250 / 200 0.7 * 1.0 Foam Equipment Room none N/A 0.7 * 0 *LED lighting

Table 4. Internal Loads

e. Occupancy Schedule: The building is occupied for two (2) shifts. The 1st from 6 am to 2:30 pm and the 2nd from 2 pm to 10:30 pm. Unless other information is provided, we will assume the purge system operates once a week for 4 hours on a weekday from 8 am to 12 pm (noon).

f. Ventilation:

1) Ventilation rates will be in accordance with all pertinent design standards including:

a) Air Force Corrosion Control/Fuel Cell Maintenance Hangar Facility, Standard Design

b) ASHRAE Standard 62.1, Ventilation for Acceptable Indoor Air Quality

c) UFC-4-211-01, Aircraft Maintenance Hangars

Cooling Heating

DB, °F % RH DP, °F °F DB

Office 85.0 - - 55.0

Fuel Cell Purge System Not operated in unoccupied Fuel Cell Hangar none none none 50.0

Foam Equipment Room 83.0 - - 55.0 Table 3. Indoor Conditions for Unoccupied Modes

Design Analysis Repair Fire Suppression HVAC Mold 89 MXG Fuel Cell, Building 1915

Outdoor Air Exhaust Air, CFM CFM/Person CFM/SF Office 5 0.06 0

Fuel Cell Hangar N/A N/A 0 Foam Equipment Room N/A N/A 0

Toilet N/A N/A 50/fixture Table 5. ASHRAE Required Ventilation

Ventilation Type SF CFM / SF Ventilation Air, CFM

Minimum 18,115 0.05 910 Maximum 18,115 1.70 31,000 Table 6. UFC-4-211-01 Required Ventilation for Fuel Cell Hangar

2) The required ventilation will be provided through the following equipment:

a) Office: Office heating and cooling unit(s).

b) Hangar: Two (2) H&V units each sized for half the required ventilation. With required ventilation approximately 31,000 cfm, each H&V will handle approximately 15,500 cfm.

c) Fuel Cell Purge: Two (2) 100% outside air AHUs sized to match the existing at 4,000 CFM each, fully exhausted with exhaust fan.

d) Foam Equipment Room: No ventilation required.

e) A separate emergency ventilation system will be used to ventilate the hangar bay in the event of high fuel vapor concentrations in the hangar. The emergency ventilation system will energize to maintain the space at or below

14.4 ppm. The ventilation rate should be based on providing a minimum of 20 air changes per hour(ACH) at up to 2 ft. (610 mm) above the finished floor.

g. Moisture: A psychrometric analysis documenting that the system meets the design criteria will be provided.

4. New Work

New HVAC systems will be provided for the Hangar, Office Area and Foam Equipment Room. The system type for the Office Area is determined by the LCCA. LCCA for the Hangar and Foam Equipment areas is not required.

The existing equipment and systems will be demolished including piping, ductwork, controls and appurtenances.

Office Area shall be conditioned with gas-fired furnace with DX cooling split system. Air will be distributed via ductwork and air devices. Replacement equipment in the Fuel Cell Hangar is anticipated to be like the existing equipment and a small DX system for the Foam Equipment Room. The Hangar will be heated and ventilated as specified in UFC 3- 410-01, Table 3-1. H&V units will have a higher air flow rate than the existing to meet current UFC and design standards. The new AHUs and H&V units should be in new

Design Analysis Repair Fire Suppression HVAC Mold 89 MXG Fuel Cell, Building 1915 mechanical space. Ductwork and piping will connect to the new equipment to the hangar.

The new AHUs will have terminations like the existing with connections in the same location for two (2) 12” diameter ducts from each AHU. The purge exhaust systems should mimic the existing but with higher efficiency unit.

Table 7 shows a summary of the options considered in a separate LCCA for the HVAC system replacements for the Office Area

Office HVAC LCCA

Baseline (ASHRAE) Alternate 1 Alternate 2 Alternate 3

Office Area HVAC

‐ Package RTU, HP PTAC (HP) Gas‐Fired Furnace/DX Cooling Gas‐Fired RTU

Table 7. Equipment Types in LCCA Options Abbreviations DX – Direct Expansion EER – Energy Efficiency Ratio HP – Heat Pump

H&V – Heating and Ventilating Units PTAC – Packaged Thru Wall Air Conditioner RTU – Rooftop Unit

In the Office area, bathroom exhaust fan and heater will be replaced.

Two new 2,500 MBH input gas fired boilers will be provided to serve the hangar with heating water. Two variable volume pumps will be provided to serve the system. All appurtenance such as an air separator, expansion tank, combustion air intake, flue, etc.

shall be provided to operate the system. H&V units with hydronic heating coils will be provided with DDC controls. The fuel cell purge systems and unit heaters with hydronic heating coils will have local controls as preferred by the end users. Provide an emergency ventilation system with exhaust fans and louvers. Controls will be the manufacturer’s standard controls, unit mounted where possible.

Due to the complicated nature of the mechanical work, commissioning of the installed systems is anticipated. Testing, adjusting and balancing (TAB) is anticipated.

The building will be occupied during construction. Equipment replacements and piping installation will be coordinated to allow use of the building while it is renovated.

Shutdowns and new connections will require coordination and probable off hour work.

Design Analysis Repair Fire Suppression HVAC Mold 89 MXG Fuel Cell, Building 1915

E. Structural

1. References

All structural work shall be completed in accordance with the following codes and standards.

a. IBC International Building Code

b. IEBC International Existing Building Code

c. AISC Manual American Institute of Steel Construction, Manual of Steel

Construction, Fourteenth Edition, Allowable Stress Design (ASD) or Load and Resistance Factor Design (LRFD).

d. ACI 318 Building Code Requirements for Structural Concrete

e. ACI 530 Building Code Requirements and Specification for Masonry

Structures

f. AWS D1.1 American Welding Society, Structural Welding Code – Steel

g. UFC 1-200-01 General Building Requirements

h. UFC 3-301-01 Structural Engineering

i. UFC 3-310-04 Seismic Design for Buildings

j. UFC 3-190-06 Protective Coatings and Paints

k. UFC 4-010-01 DoD Minimum Antiterrorism Standards for Buildings

l. UFC 4-020-01 DoD Security Engineering Facilities Planning Manual

m. UFC 4-211-01 Aircraft Maintenance Hangars

2. Design Criteria

Dead Loads: Actual Live Loads Per UFC 3-301-01 Wind Loads Per UFC 3-301-01 Design Wind Speed 120 mph Risk Category III Exposure Classification C Seismic Per UFC 3-301-01 Ss 0.12 S1 0.05 Risk Category III Site Class (Assumed) D Ground Snow Load 25 psf Ground Frost Penetration 26 inches

3. Summary

Building 1915 is a structural steel, barrel roof aircraft hangar. The existing drawings place the date of construction about 1962. There is no anticipated structural scope for Building 1915. Any structural work will be minor and ancillary to other trades. All information provided in the Design Analysis and Specification is intended to provide design requirements for any ancillary work.

Design Analysis Repair Fire Suppression HVAC Mold 89 MXG Fuel Cell, Building 1915

The building is an existing building located within a controlled perimeter. The building does not meet any of the triggers provided in 1-5.2 of UFC 4-010-01. Standards 10 and 12 of UFC 4-010-01 apply to all window and door replacement. Standard 18 applies to the replacement of HVAC systems.

Standard 10: Glazing in compliance with this standard is intended to minimize hazardous glazing fragments. All new exterior glazing shall comply with the requirements of Standard 10 of the UFC 4-010-01

Standard 12: Exterior doors shall into inhabited areas shall be installed to open outwards.

Glazing in exterior doors shall comply with Standard 10 of the UFC 4-010-01.

Standard 18: HVAC systems shall be installed with an emergency cutoff.

Design Analysis Repair Fire Suppression HVAC Mold 89 MXG Fuel Cell, Building 1915

F. Fire Protection/Life Safety

Per UFC 3-600-01, a fire protection design analysis is required for major projects and must address the fire protection requirements of the project as required by this UFC. This design analysis summarizes fire protection features that are required versus features that are provided.

Work on this project is generally defined as ‘modification’ and ‘reconstruction’ work per UFC 3- 600-01, Chapter 34. Therefore, work must conform to the requirements for ‘new construction in UFC and NFPA 101.

Comply with UFC 3-600-01, Chapter 34, for phasing of construction and coordination of fire protection and life safety features during construction:

• Phasing of construction and demolition operations must be planned so that the integrity of fire-rated separations, smoke-tight boundaries, means of egress, exit enclosures, and vertical openings are maintained to the highest level possible.

• The phasing plan must ensure that obstruction of the means of egress is avoided or minimized.

• If exits are obstructed during construction, provide alternate means of egress and exit routes during each phase of construction and identify the alternate routes on the construction drawings as part of the phasing plan(s).

• Minimize, to the extent possible, any impairments or disruptions to active fire protection features. Delineate phasing of construction to ensure that installations of new features (or systems) or modifications to existing ones are expedited.

• Where possible, maintain existing systems in service until the replacement work has been deemed operational.

• Prior to taking any actions to impair a fire protection feature or disrupt its performance, ensure alternative procedures have been prepared and incorporated and confirm that official notification of system impairments and schedules have been given to the staff of the Facility.

References:

• International Building Code (IBC), for fire resistance requirements and area limitations as referenced by UFC 3-600-01

• NFPA 10 Standard for Portable Fire Extinguishers

• NFPA 11 Standard for Low-, Medium-, and High-Expansion Foam

• NFPA 13 Installation of Sprinkler Systems

• NFPA 70 National Electrical Code

• NFPA 72 National Fire Alarm Code

• NFPA 80 Standard for Fire Door and Other Opening Protectives

• NFPA 101 Life Safety Code, for exit facilities and means of egress as referenced by UFC 3-600-01

• UFC 3-600-01, Fire Protection Engineering For Facilities

• UFC 4-010-01, DoD Minimum Antiterrorism Standards for Buildings

Design Analysis Repair Fire Suppression HVAC Mold 89 MXG Fuel Cell, Building 1915

• UFC 4-211-01, Aircraft Maintenance Hangars

This project scope includes the repair and modification of the Life Safety systems as follows:

• Assess the hangar to verify the deficiencies identified in the HEIR (Hangar Evaluation Installation Report) and identify life-safety and fire protection system deficiencies.

• Design corrections to life-safety and fire protection system deficiencies

The Joint Base Andrews Fire Protection Standards shall be referenced in the Design\Build RFP package. The Design\Build Contractor will be required to comply with current Base Standards, to the extent they are applicable to this projects’ work scope.

1. Building code Analysis, Occupancy Classification

Occupancy Classification \ Building Construction Type

Use Group (IBC) Existing to Remain - Business Group B.

Existing to Remain – S-1 (Aircraft Hangar Area)…Note, the hangar area in Building 1915 is used for fuel cell maintenance and is considered a “hazardous” classified area.

Minimum Construction Type

Type II-B (Existing To Remain)

For reference, the equivalent NFPA 101 construction type for this project is Type II (000):

Exterior Bearing walls: 0-hr FRR, Interior Bearing:

0-hr FRR, Floor: 0-hr FRR, Roof: 0-hr FRR.

Fire Blocks & Draft Stops Not required in non-combustible construction (Reference IBC, Section 718)

Hazard Classification For determining automatic sprinkler densities and hose stream demands per UFC 3-600-01, NFPA 13, and as shown on drawings. Occupancy classification is considered “ordinary” as defined by NFPA 101.

Design Analysis Repair Fire Suppression HVAC Mold 89 MXG Fuel Cell, Building 1915

Automatic Sprinklers & Other Extinguishing Equipment

Automatic Sprinklers (existing) are provided throughout the facility in accordance with UFC 3- 600-01 and NFPA 13 (See automatic suppression system section below for complete description)

Portable Fire Extinguishers No new extinguishers will be installed in the hangar bay or office areas (not required, per UFC, for a fully sprinklered facility).

Detection Alarm & Communication

Per UFC 3-600-01 and NFPA 72

Fire & Smoke Dampers NFPA 90A and UFC 3-600-01

Interior Finish Requirements

Egress Corridors Class A or Class B Interior Finish Materials, NFPA101 Section 10.2

Typical Class I or II, NFPA 101, Section 10.1

Means of Egress

Separation of Means of Egress

Separation of Means of Egress as required by NFPA 101. For a new Storage\Business occupancy, fully sprinklered, corridor separation is not required.

Illumination of Means of

Illuminated emergency lighting powered through battery packs will be located as required by NFPA 101.

Marking of Means of

All exits and passageways leading to an exit will have LED (Light Emitting Diode) illuminated emergency exit signs (NFPA 101 Section 7.10, and

UFC 3-600-01).

Occupant Load

Occupant Load Factor & Egress Capacity

Business – 100 sq.ft. per person Storage – 500 sq.ft. per person

Number of Means of Egress Minimum Number of Exits

Minimum Two (2) Required (Per NFPA 101)

Design Analysis Repair Fire Suppression HVAC Mold 89 MXG Fuel Cell, Building 1915

Actual Number of Exits Four (4) exits

Exit Configuration \ Travel Distances

Dead End Limits

NFPA 101

Business - 300 ft (sprinklered)

Common Length of Travel

Business - 100 ft (sprinklered)

Length of Travel Distance

Business - 50 ft (sprinklered)

2. Compliance with UFC 3-600-01 and National Fire Codes

As part of the design document preparation, the designer-of-record for each individual system is to ensure compliance with UFC 3-600-01 and the applicable National Fire Codes.

3. Analysis of Automatic Sprinkler Systems and Suppression Systems and Protected Areas

The building is currently equipped with a wet-pipe automatic fire sprinkler system(s) throughout and a high-expansion foam water systems in the hangar bay area. This project scope includes the repair and modification of the fire suppression systems as follows:

• Evaluate fire hydrant locations for compliance with UFC 4-211-01.

• Add inspector’s test connection to wet-pipe sprinkler systems.

• Add identification tags and data plates to risers and valves.

• Add pressure relief valve device and associated drain to wet-pipe risers.

• Relocate existing drain connection to a safe, acceptable, and appropriately sized discharge.

• Replace foam concentrate storage tanks with atmospheric foam storage tank(s) with ultrasonic level sensors. Minimum tank size shall be 500 gallons, however, actual provided tank size required shall comply with the hydraulic design requirements and foam supply duration specified in UFC 4-211-01.

• Add foam concentrate fill pump, replace foam proportioner with inductor on each foam-water riser.

• Replace existing foam-water control valves with pressure regulating remote resetting flow control valves.

• Install climate control and freeze protection in foam equipment room.

• Modify the existing office area fire sprinkler system to coincide with the renovation\revitalization of that space.

• Dismantle and remove the existing manual carbon dioxide (CO2) fire suppression system equipment and manual hose stations in the hangar area.

Design Analysis Repair Fire Suppression HVAC Mold 89 MXG Fuel Cell, Building 1915

• The hangar area wet-pipe fire sprinkler system at the roof deck level has been damaged due to the system being exposed to low temperature (freezing) conditions. The hangar area wet-pipe system shall be inspected and repaired. At a minimum, the following will be provided: replace all existing sprinkler heads with new (fire sprinkler heads shall meet UFC 4-211-01 requirements), replace all grooved fitting gaskets with new, provide a full pressure test (per NFPA 13) of the existing system, repair of any leaks in the system (after initial pressure testing the system), re-pressure test of the existing system after all repairs are complete (per NFPA 13), and provide acceptance testing the system prior to placing the system back in service.

• Add wet-pipe fire sprinkler protection to the new mechanical rooms in the hangar bay area.

New automatic fire sprinklers shall be of the Quick Response (QR) type. Temperature ratings shall be consistent with the environment that the head is installed, per the requirements of NFPA 13.

All fire protection devices shall be UL Listed or FM Approved for the intended use.

The final hydraulic calculations of the reconfigured fire suppression systems are to be provided with the final fire protection design documents, and approved by the project Fire Protection Engineer Designer of Record, prior to construction. The analysis is to include all pipe between the hydraulically most remote area (as defined by NFPA 13) and the fire protection water supply.

4. Fire Protection Water Supplies

The fire suppression systems serving the hangar bay consist of four (4) automatic wet pipe sprinkler systems and a high expansion foam system. Water is supplied from Pump House Building 1731, which contains three (3) 2,500 gallons per minute diesel-driven fire pumps rated for 165 psi @ 2,500 gpm. The existing fire pumps are being replaced under a separate project\contract, and it is assumed the fire pump replacement project will be finished prior to this project being completed (so that the new water supply is in place to serve this project). The water supply for the pumps is from an above-ground water storage tank. Hydraulic calculations proving the adequacy of the Hangar area fire suppression systems shall be provided by the Design\Building Contractor and shall consider the water supply originating in Building 1731 as the source of the fire protection hydraulic calculations.

5. Smoke Control Methods and Smoke Control Systems

No active smoke control systems are required as part of the work scope on this project.

6. Fire Alarm System and connection to the Base Fire Alarm Reporting System

The existing fire alarm system in this building shall remain and be modified to coincide with the work required in the building.

The existing Base Fire Alarm reporting system is a Monaco system.

Design Analysis Repair Fire Suppression HVAC Mold 89 MXG Fuel Cell, Building 1915

The existing releasing system for the hangar area high-expansion foam system will be replaced with a new releasing system meeting the current requirements of UFC 4-211-01, “Aircraft Maintenance Hangars”.

This project scope includes the repair and modification of the fire alarm, detection, and releasing system as follows:

• Assess the hangar to verify the deficiencies identified in the HEIR (Hangar

Evaluation Installation Report) and identify all life-safety and fire protection system deficiencies.

• Add blue rotating beacons, with signage, to indicate foam activation.

• Replace Releasing Service Fire Alarm Control Unit (RSFACU) for hangar-specific fire alarm detection/response and high-expansion foam release.

• Replace foam system control panel.

• Conduct an engineering evaluation to verify and move detectors to the correct height.

• Replace existing flame detectors with multi-spectrum IR3 flame detectors. Adjust height as required.

• Replace manual foam discharge stations that have a key-reset.

• Replace signage at manual foam discharge stations and mount the stations directly to the signs.

• Add manual foam stop/abort stations adjacent to manual foam discharge stations.

• Install clear plastic tamper covers on manual foam discharge stations.

• Modify the existing office area fire alarm system to coincide with the renovation\revitalization of that space.

• Add fire alarm notification to the new mechanical rooms in the hangar bay area.

All software, software locks, special tools and other proprietary equipment required to maintain, add devices to or delete devices from the system or test the system will be required to be furnished to the Government prior to final inspections of the system.

All new fire alarm system wire shall be located in dedicated conduit.

All visual notification devices will be synchronized as per ABA requirements. Audible notification will be performed with the horns that are integrated into the fire alarm visual notification device.

Upon detection of any fire alarm system alarm or trouble, the fire alarm panel connected to the fire alarm transmitter will transmit the indicated system signal to the local authorities having jurisdiction.

The run time of the fire alarm system, and the fire alarm transmitter, on batteries is designed to perform for 15 minutes of alarm, with a standby of 48 hours after loss of primary power.

Design Analysis Repair Fire Suppression HVAC Mold 89 MXG Fuel Cell, Building 1915

7. Mass Notification System

There is no existing Mass Notification System in this facility (Building 1915). The current scope of work does not include the installation of a mass notification system.

8. Standpipe Systems and fire Extinguishers

Considering the height and size of the building, a standpipe system (NFPA 14) is not required.

Per UFC 3-600-01, new portable fire extinguishers will not be required on this project due to the building being fully sprinklered and being provided with a fire alarm system.

9. Coordination with Security and Antiterrorism Requirements

Each system (including architectural, mechanical, electrical, plumbing, fire protection, etc.) shall be coordinated with the anti-terrorism requirements and recommendations of UFC 4-010-01. It will be the responsibility of the designer-of-record for each system to incorporate antiterrorism requirements.

Security features that interface with means of egress components (i.e. exit doors) of the building shall meet the requirements of NFPA 101. Egress access shall be available to all occupants of the building while occupied.

10. Fire Protection during Construction

Construction activities shall consider and incorporate the recommendations of NFPA 241

- “Standard for Safeguarding Construction, Alteration, and Demolition Operations”.

The existing fire alarm shall be maintained in service, to the extent possible, during renovation activities. If fire protection systems are removed from service a Fire Watch shall be provided by the Contractor.

Base fire department Hot Work permit requirements shall be obtained prior to any Hot Work activities. A Hot Work permit is required for any temporary operation involving open flames or producing heat and/or sparks. This includes, but is not limited to: Brazing, Grinding, Soldering, Thawing Pipe, Torch Applied Roofing and Welding.

11. Fire Department Access

Fire Department vehicular access routes serving this building\site are existing to remain as-is.

The existing building access key box (i.e. knox-box), for emergency responder use, shall remain as-is.

Design Analysis Repair Fire Suppression HVAC Mold 89 MXG Fuel Cell, Building 1915

G. Electrical

The electrical work for this project includes both demolition and new work:

a. Replace electrical receptacles, conduit, conduit seals, and wiring between the floor and 20’-0” above finished floor (AFF) with Class I Division II compliant devices per NEC article 513.

b. Support for miscellaneous replacement of mechanical equipment.

c. Replace lighting and electrical systems to support the renovation of the office area.

d. Provide electrical connections for Fire Alarm/Suppression panels, blue strobes, etc.

e. Replace Hangar area lighting fixtures and controls.

f. Replace exterior lighting at egress doors with emergency battery backup lighting as required by NFPA and UFC.

g. Provide a complete Lightning Protection System to include strike termination devices, conductors, ground terminals, interconnecting conductors, surge suppressions devices, and other connectors and fittings.

h. Perform megger test on the existing grounding electrode system. Provide additional ground rods as required to achieve a maximum resistance to ground of 25 Ohms.

i. Provide a complete and functional Public Address system with coverage throughout facility.

2. Existing Conditions

The existing conditions for the areas of work are:

a. Hangar area: In general, most wiring devices between the floor and 20’-0” AFF in the

Hangar area are Class I Division II compliant. There are some non-explosion proof junction boxes and devices located below 20’-0” AFF in the hangar area. Mostly Rigid Metallic Conduit (RMC) is used in this area, however some Electric Metallic Tubing (EMT) conduit was noticed below 20’-0” AFF. Thermostats provided for the HVAC equipment are not Class I Division II compliant. The lighting fixtures in the hangar area are in poor condition and do not produce the amount of light required by the UFC and IES. Explosion proof exit signs have been provided at all necessary exits. Adequate emergency lighting has been provided in the hangar area.

b. Office area: This area has been abandoned due to mold and has not been maintained since the previous occupants left the space. The existing lighting fixtures, emergency lighting units, exit signs, and lighting controls are all in poor condition. The existing wiring devices in this area are in poor condition.

c. Estimate load summary: The hangar is equipped with an 800A, 208/120V, 3-phase, 4-wire service entrance switchboard. The estimated hangar load is 230 KW.

3. Design Criteria

Design and installation will be in accordance with the National Electric Code (NEC), the National Fire Protection Association (NFPA), and UFC criteria, specifically UFC 3-520- 01, UFC 3-530-01, UFC 3-575-01, and UFC 4-211-01 effective at issue date of the RFP.

Design Analysis Repair Fire Suppression HVAC Mold 89 MXG Fuel Cell, Building 1915

Due to the occupancy of Hangar 1915, NEC article 513 classifies the hangar area from floor to 20’-0” AFF as Class I Division II. The electrical devices and wiring methods located within this Class I Division II location shall be explosion proof type with gasketed seals. The permitted conduit in the Class I Division II area is rigid metal conduit (RMC) or intermediate metal conduit (IMC) with listed fittings. Conduits within the hangar area but located outside of the Class I Division II are permitted to be type EMT or MC cable. Conductors shall be type THHN/THWN. Disconnect switches located within the hangar area shall be NEMA 7 or 10. Disconnect switches located on the exterior of the buildings shall be NEMA 3R. Disconnect switches located in the interior of the building but not in the hangar area shall be NEMA 1. Junction boxes in the Class I Division II area of the hangar shall be NEMA 7 or 10. Junction boxes in the hangar area but located outside of the Class I Division II area shall be NEMA 1.

Lighting fixtures in the hangar area shall be LED high-bay type. Lighting fixtures located in the office area shall be LED recessed direct/indirect fixtures. All lighting fixtures shall be designed per the UFC and meet IES illumination standards for the specified area. The lighting fixtures shall be controlled by occupancy sensors with manual override switches.

Select lighting type through life cycle cost analysis. Reference UFC 1-200-02 Section 2-3 and 4-2.2.2.2. Exit signs located in the office area shall be exit sign/emergency lighting unit combination type fixtures, internally illuminated, with a polycarbonate housing.

Emergency lighting units located in the office area shall be UL 924 listed and provided with a 90-minute battery life.

Any conduit penetrations into the hangar shall be fire stopped.

4. New Work

Remove and replace all non-explosion proof receptacles and junction boxes located in the hangar area between the floor and 20’-0” AFF with explosion proof devices. Remove and replace existing EMT conduit located below 20’-0” AFF with RMC or IMC conduit.

Generally, the EMT conduit was associated with the HVAC thermostats (3). These thermostats will also need to be removed and replaced with Class I Division II compliant thermostats. The entire office area shall be gutted, and all existing wiring devices shall be removed. Provide new receptacles and tele/comm outlets as required and per the new office design. Provide the required electrical connections for new mechanical HVAC equipment. These devices shall be sized per the manufacturer’s recommendations.

Provide new lighting fixtures in the hangar area and in the office area. Lighting fixture types shall be selected per the UFC for each space. For lighting control in the hangar area provide occupancy sensors with manual override switches, daylighting with multi-level photocontrol, and dimming. Provide occupancy sensors with manual override switches for each lighting zone of the office area. Provide new exit signs and emergency lighting units as necessary in the office area to cover all paths of egress per the NFPA.

A conventional Lightning Protection System with strike termination devices, conductors, ground terminals, interconnecting conductors, surge suppression devices, and other

Design Analysis Repair Fire Suppression HVAC Mold 89 MXG Fuel Cell, Building 1915 connectors and fittings shall be provided in compliance with NFPA 780 and UL 96.

Lightning Protection System to tie into the existing grounding electrode system at the hangar.

Preform a megger test on the existing grounding electrode system to confirm the maximum resistance to ground does not exceed 25 Ohms. Provide additional ground rods as required to achieve 25 Ohm resistance. Grounding shall comply with NEC and UFC requirement.

Provide a complete and functional Public Address (PA) system with coverage to all areas of the facility. Integrate the PA system with the MNS per UFC 4-021-01.

Design Analysis Repair Fire Suppression HVAC Mold 89 MXG Fuel Cell, Building 1915

PART II SPECIFICATIONS

Technical Specifications have not been provided.

A. Division 01

01 10 00 DESIGN REQUIREMENTS

01 11 00 SUMMARY OF WORK

01 14 00 WORK RESTRICTIONS

01 30 00 ADMINISTRATIVE REQUIREMENTS

01 32 01.00 10 PROJECT SCHEDULE

01 33 00 SUBMITTAL PROCEDURES

01 33 29 SUSTAINABILITY REPORTING

01 35 26 GOVERNMENTAL SAFETY REQUIREMENTS

01 42 00 SOURCES FOR REFERENCE PUBLICATIONS

01 45 00.00 10 QUALITY CONTROL

01 45 35 SPECIAL INSPECTIONS

01 50 00 TEMPORARY CONSTRUCTION FACILITIES AND CONTROLS

01 57 19 TEMPORARY ENVIRONMENTAL CONTROLS

01 58 00 PROJECT IDENTIFICATION

01 74 19 CONSTRUCTION AND DEMOLITION WASTE MANAGEMENT

01 78 00 CLOSEOUT SUBMITTALS

01 78 23 OPERATION AND MAINTENANCE DATA

01 91 00.15 TOTAL BUILDING COMMISSIONING

B. Division 2 through 34

02 41 00 DEMOLITION AND DECONSTRUCTION

02 82 16.00 20 ENGINEERING CONTROL OF ASBESTOS CONTAINING

MATERIALS

02 83 13.00.20 LEAD IN CONSTRUCTION

02 84 16 HANDLING OF LIGHTING BALLASTS AND LAMPS CONTAINING

PCBs AND MERCURY

02 84 33 REMOVAL AND DISPOSAL OF POLYCHLORINATED BIPHENYLS

(PCBs)

02 85 00 MOLD REMEDIATION

03 30 53 MISCELLANEOUS CAST-IN-PLACE CONCRETE

04 20 00 UNIT MASONRY

Design Analysis Repair Fire Suppression HVAC Mold 89 MXG Fuel Cell, Building 1915

05 05 23 WELDING, STRUCTURAL

05 40 00 COLD-FORMED METAL FRAMING

05 50 13 MISCELLANEOUS METAL FABRICATIONS

05 52 00 METAL RAILINGS

06 10 00 ROUGH CARPENTRY

06 61 16 SOLID POLYMER (SOLID SURFACING) FABRICATIONS

07 11 13 BITUMINOUS DAMPPROOFING

07 19 00 WATER REPELLENTS

07 21 13 BOARD AND BLOCK INSULATION

07 27 10.00 10 BUILDING AIR BARRIER SYSTEM

07 60 00 FLASHING AND SHEET METAL

07 84 00 FIRESTOPPING

07 92 00 JOINT SEALANTS

08 11 13 STEEL DOORS AND FRAMES

08 31 00 ACCESS DOORS AND PANEL

08 39 54 BLAST RESISTANT DOORS

08 71 00 DOOR HARDWARE

08 91 00 METAL WALL AND DOOR LOUVERS

09 22 00 SUPPORTS FOR PLASTER AND GYPSUM BOARD

09 29 00 GYPSUM BOARD

09 51 00 ACOUSTICAL CEILINGS

09 62 38 STATIC-CONTROL FLOORING

09 65 00 RESILIENT FLOORING

09 68 00 CARPETING

09 90 00 PAINTS AND COATINGS

10 14 01 EXTERIOR SIGNAGE

10 14 02 INTERIOR SIGNAGE

10 26 13 WALL AND CORNER GUARDS

10 28 13 TOILET ACCESSORIES

10 44 16 FIRE EXTINGUISHERS

12 48 13 ENTRANCE FLOOR MATS

21 13 13.00 10 WET PIPE SPRINKLER SYSTEM, FIRE PROTECTION

21 13 20.00 20 FOAM FIRE EXTINGUISHING FOR AIRCRAFT HANGARS

22 00 00 PLUMBING, GENERAL PURPOSE

23 00 00 AIR SUPPLY, DISTRIBUTION, VENTILATION, AND EXHAUST

SYSTEMS

23 03 00.00 20 BASIC MECHANICAL MATERIALS AND METHODS

Design Analysis Repair Fire Suppression HVAC Mold 89 MXG Fuel Cell, Building 1915

23 05 93 TESTING, ADJUSTING, AND BALANCING FOR HVAC

23 07 00 THERMAL INSULATION FOR MECHANICAL SYSTEMS

23 11 25 FACILITY GAS PIPING

23 23 00 REFRIGERANT PIPING

23 31 13.00 40 METAL DUCTS

23 34 23.00 40 HVAC POWER VENTILATORS

23 54 16.00 10 HEATING SYSTEM; GAS-FIRED HEATERS

23 81 00.00 20 UNITARY HEATING AND COOLING EQUIPMENT

26 20 00 INTERIOR DISTRIBUTION SYSTEM

26 28 01.00 10 COORDINATED POWER SYSTEM PROTECTION

26 29 23 VARIABLE FREQUENCY DRIVE SYSTEMS UNDER 600 VOLTS

26 41 00 LIGHTNING PROTECTION SYSTEM

26 51 00 INTERIOR LIGHTING

26 56 00 EXTERIOR LIGHTING

27 10 00 BUILDING TELECOMMUNICATIONS CABLING SYSTEM

28 10 05 ELECTRONIC SECURITY SYSTEMS

28 31 64.00 10 FIRE DETECTION AND ALARM SYSTEM, ADDRESSABLE

28 31 76 INTERIOR FIRE ALARM AND MASS NOTIFICATION SYSTEM

33 11 00 WATER DISTRIBUTION

33 30 00 SANITARY SEWERS

Design Analysis Repair Fire Suppression HVAC Mold 89 MXG Fuel Cell, Building 1915

Design Analysis Repair Fire Suppression HVAC Mold 89 MXG Fuel Cell, Building 1915

PART III APPENDICES

Design Analysis Repair Fire Suppression HVAC Mold 89 MXG Fuel Cell, Building 1915

Design Analysis Repair Fire Suppression HVAC Mold 89 MXG Fuel Cell, Building 1915

Design Analysis Repair Fire Suppression HVAC Mold 89 MXG Fuel Cell, Building 1915

APPENDIX A – Advanced Final Design Submission Comments/Responses

Design Analysis Repair Fire Suppression HVAC Mold 89 MXG Fuel Cell, Building 1915

Project Title:

Repair Fire Suppression, HVAC, Mold, 89 MXG Fuel Cell Fac

Project Number: AJXF 16-1592

Contract Number: FA8903-15-D-0003-0004 Document Date: 29-Mar-19

Project Manager: Eric Staph Review Date:

Design Phase: Advanced Final Concept Design

Project Information:

1. The Government's review or acceptance does not relieve the contractor of his responsibility to provide a safe, functional project in accordance with the terms of the contract.

2. The Contractor shall respond to each comment with a response that clearly indicates what action will be taken. Comments that, in the Contractor's opinion, require effort outside the scope of the contract shall be clearly indicated as such by the Contractor.

3. Variations from contract requirements require both Designer of Record (DOR) and Government approval and will be considered where advantageous to Government.

Design Phase: Advanced Final Concept Design Date: 0-Jan-00 Project #: AJXF 16-1592 Contract #: FA8903-15-D-0003-0004

ITEM NO. REVIEWER DOC REFERENCE COMMENT RESPONDEE RESPONSE BACK CHECK

GENERAL Advanced Final

Henry Stripling (techinician), Robert Brown (facility manager), both with DynCorp

2019_0329 RFP B1915

Mechanical room doors should not face the hangar high bay as shown on drawing A-121, but should instead be on exterior walls.

Henry Stripling (techinician), Robert Brown (facility manager), both with DynCorp

2019_0329 RFP B1915

New exterior doors need emergency "crash bars" on the inside, and can’t be openable from the outside.

David Doyle, JBA 11CES

2019_0329 Design Analysis B1915

Please correct: outdated, unanswered versions of the RFI's, for all 3 buildings are in "Appendix B – RFIs, 3.

Unanswered". Many have been answered. Please update "Appendix B – RFIs, 2. Answered" as well.

GENERAL Intermediate

Henry Stripling (DynCorp)

2019_0131 Design Analysis and RFP, B1915

Its’ important to us not to have any floor space within the hangar taken for new work. Also AFM 88-15, AFR 88-15 or/and ETL 02-15 may need to be looked at . I’m thinking, the type of heating should be hot water system.

David Moran New mechanical equipment is required by UFC to be enclosed. The new mechanical rooms cannot increase the footprint of the building. They have been located so as not to interfere with the aircraft.

David Doyle,…