NOAA OMAO Amendment 0003_Specifications_04172023.pdf

LEED v4 for BD+C: New Construction and Major Renovation

Project Checklist NOAA OMAO Ship & Support Facility Relocation

Final Design Review 04/2023

Y ? N

0 0 1 Credit 1

2 0 30 32 6 0 7 13

0 0 16 Credit 16 Y Prereq Required

1 0 0 Credit 1 Y Prereq Required

0 0 2 Credit 2 1 0 4 Credit 5

0 0 5 Credit 5 1 0 1 Credit 2

0 0 5 Credit 5 1 0 1 Credit 2

0 0 1 Credit 1 1 0 1 Credit Building Product Disclosure and Optimization - Material Ingredients 2

0 0 1 Credit 1 2 0 0 Credit 2

1 0 0 Credit Green Vehicles 1

10 0 6 Indoor Environmental Quality 16

7 0 3 10 Y Prereq Required

Y Prereq Required Y Prereq Required

1 0 0 Credit 1 2 0 0 Credit 2

2 0 0 Credit 2 3 0 0 Credit 3

1 0 0 Credit 1 1 0 0 Credit Construction Indoor Air Quality Management Plan 1

0 0 3 Credit 3 2 0 0 Credit 2

2 0 0 Credit 2 1 0 0 Credit 1

1 0 0 Credit 1 1 0 1 Credit 2

0 0 3 Credit 3

5 0 6 11 0 0 1 Credit 1

Y Prereq Required 0 0 1 Credit 1

Y Prereq Required

Y Prereq Building-Level Water Metering Required 6 0 0 Innovation 6

2 0 0 Credit 2 1 0 0 Credit 1

2 0 4 Credit 6 1 0 0 Credit 1

0 0 2 Credit 2 1 0 0 Credit 1

1 0 0 Credit Water Metering 1 1 0 0 Credit 1

1 0 0 Credit 1

17 0 19 Energy and Atmosphere 36 1 0 0 Credit 1

Y Prereq Fundamental Commissioning and Verification Required

Y Prereq Minimum Energy Performance Required 1 0 5 Regional Priority 6

Y Prereq Building-Level Energy Metering Required 0 0 1 Credit Regional Priority: Specific CreditRainwater Management 1

Y Prereq Fundamental Refrigerant Management Required 1 0 0 Credit Regional Priority: Specific CreditOptimize Energy 1

3 0 3 Credit Enhanced Commissioning 6 0 0 1 Credit Regional Priority: Specific CreditAccess to Quality Transit 1

9 0 9 Credit Optimize Energy Performance 18 0 0 1 Credit Regional Priority: Specific CreditBuilding Life-Cycle Impact 1

0 0 1 Credit Advanced Energy Metering 1 0 0 1 Credit Regional Priority: Specific CreditHigh Priority Site 1

0 0 2 Credit Demand Response 2 0 0 1 Credit Regional Priority: Specific CreditBicycle Facilities 1

0 0 3 Credit Renewable Energy Production 3

0 0 1 Credit Enhanced Refrigerant Management 1 54 0 77 TOTALS Possible Points: 131

5 0 0 Credit 5

*Version 4.1 updated quantity of points achievable.

Open Space

Site Assessment

Interior Lighting

Daylight

Exemplary Performance - M&R Environmental Product Declarations

Exemplary Performance - IEQ Low Emitting Materials

Rainwater Management

Light Pollution Reduction

Acoustic Performance

Quality Views

Enhanced Indoor Air Quality Strategies

Low-Emitting Materials

Indoor Air Quality Assessment

Thermal Comfort

Site Development - Protect or Restore Habitat

Heat Island Reduction

Outdoor Water Use Reduction

Indoor Water Use Reduction

Outdoor Water Use Reduction

Indoor Water Use Reduction

Water Efficiency

Cooling Tower Water Use

Green Power and Carbon Offsets*

Construction Activity Pollution Prevention

High Priority Site

Surrounding Density and Diverse Uses

Sustainable Sites

Building Life-Cycle Impact Reduction

Access to Quality Transit

Reduced Parking Footprint

Environmental Tobacco Smoke Control

Building Product Disclosure and Optimization - Sourcing of Raw Materials

Bicycle Facilities

Project Name:

Revision/Date:

Location and Transportation

Sensitive Land Protection

LEED for Neighborhood Development Location

Integrative Process

Construction and Demolition Waste Management Planning

Materials and Resources

Storage and Collection of Recyclables

Construction and Demolition Waste Management

Minimum Indoor Air Quality Performance

Building Product Disclosure and Optimization - Environmental Product

Declarations

LEED Accredited Professional

Innovation - Lamp Purchasing

Innovation - O&M Starter, Green Cleaning Policy

Pilot Credit - Legal Wood

Certified: 40 to 49 points, Silver: 50 to 59 points, Gold: 60 to 79 points, Platinum: 80 to 110 ified tasks by a special insp April 17, 2023

WF SCHED OF SPECIAL INSPECTIONS FOR UFGS 01 45 35 REVISED FOR IBC 2018 ON 03/01/20

WATERFRONT SCHEDULE OF SPECIAL INSPECTIONS

Reference UFGS 01 45 35 for all requirements not noted as part of this schedule.

INSPECTION DEFINITIONS:

PERFORM: Perform these tasks for each weld, fastener, or bolted connection, and noted verification.

OBSERVE: Observe these items randomly during the course of each work day to insure that applicable requirements are being met. Operations need not be delayed pending these inspections at contractor’s risk.

DOCUMENT: Document, with a report, that the work has been performed in accordance with the contract documents. This is in addition to any other reports required in the Special Inspections guide specification.

CONTINUOUS: Constant monitoring of identified tasks by a special inspector over the duration of performance of said tasks.

The Seismic Design Category for this project is: ☐ A, ☐ B, ☐ C, ☒ D, ☐ E, ☐ F (check appropriate box)

WF SCHED OF SPECIAL INSPECTIONS FOR UFGS 01 45 35 REVISED FOR IBC 2018 ON 03/01/20

STRUCTURAL - STEEL – WELDING SECTION

ALL OR PORTIONS OF THIS SECTION ARE APPLICABLE IF BOX IS CHECKED: ☒

STEEL INSPECTION PRIOR TO WELDING – VERIFY THE FOLLOWING ARE IN COMPLIANCE

2018 IBC 1705.2.1, AISC 360-16: Table C-N5.4-1

TASK INSPECTION TYPE1 DESCRIPTION

1. Verify that the welding procedures specification (WPS) is available

PERFORM

2. Verify manufacturer certifications for welding consumables are available

PERFORM

3. Verify material identification PERFORM Type and grade.

4. Welder Identification

System PERFORM The fabricator or erector, as applicable, shall maintain a system by which a welder who has welded a joint or member can be identified. Stamps, if used, shall be the low-stress type.

5. Fit-up of groove welds (including joint geometry)

OBSERVE Joint preparation Dimensions (alignment, root opening, root face, bevel) Cleanliness (condition of steel surfaces) Tacking (tack weld quality and location) Backing type and fit (if applicable)

6. Configuration and finish of access holes

OBSERVE

7. Fit-up of fillet welds OBSERVE Dimensions (alignment, gaps at root) Cleanliness (condition of steel surfaces) Tacking (tack weld quality and location)

STEEL INSPECTION DURING WELDING – VERIFY THE FOLLOWING ARE IN COMPLIANCE

2018 IBC 1705.2.1, AISC 360-16: Table C-N5.4-2

TASK INSPECTION TYPE DESCRIPTION

8. Use of qualified welders PERFORM Welding by welders, welding operators, and tack welders who are qualified in conformance with requirements.

9. Control and handling of welding consumables OBSERVE Packaging

Electrode atmospheric exposure control

10. No welding over cracked tack welds

OBSERVE

11. Environmental conditions OBSERVE Wind speed within limits Precipitation and temperature

12. Welding Procedures Specification followed

OBSERVE Settings on welding equipment Travel speed Selected welding materials Shielding gas type/flow rate Preheat applied Interpass temperature maintained (min./max.)

Proper position (F, V, H, OH) Intermix of filler metals avoided

13. Welding techniques OBSERVE Interpass and final cleaning Each pass within profile limitations Each pass meets quality requirements

1 PERFORM: Perform these tasks for each weld, fastener or bolted connection, and required verification.

OBSERVE: Observe these items on a random sampling basis daily to insure that applicable requirements are met. Operations need not be delayed pending these inspections at contractor’s risk.

WF SCHED OF SPECIAL INSPECTIONS FOR UFGS 01 45 35 REVISED FOR IBC 2018 ON 03/01/20

STRUCTURAL - STEEL – WELDING SECTION (CONTINUED)

STEEL INSPECTION AFTER WELDING – VERIFY THE FOLLOWING ARE IN COMPLIANCE

2018 IBC 1705.2.1, AISC 360-16: Table C-N5.4-3

TASK INSPECTION TYPE 1 DESCRIPTION

14. Welds cleaned OBSERVE

15. Size, length, and location of all welds PERFORM Size, length, and location of all welds conform to the requirements of the detail drawings.

16. Welds meet visual acceptance criteria

PERFORM AND

DOCUMENT

Crack prohibition Weld/base-metal fusion Crater cross section Weld profiles Weld size Undercut Porosity

17. Arc strikes PERFORM

18. k-area PERFORM When welding of doubler plates, continuity plates or stiffeners has been performed in the k-area, visually inspect the web k-area for cracks.

19. Backing removed, weld tabs removed and finished, and fillet welds added where required

PERFORM

20. Repair activities PERFORM AND

DOCUMENT

21. Document acceptance or rejection of welded joint or member

PERFORM

END SECTION

1 PERFORM: Perform these tasks for each weld, fastener or bolted connection, and required verification.

DOCUMENT: Document in a report that the work has been performed as required. This is in addition to all other required reports.

WF SCHED OF SPECIAL INSPECTIONS FOR UFGS 01 45 35 REVISED FOR IBC 2018 ON 03/01/20

STRUCTURAL - STEEL – BOLTING SECTION

STEEL INSPECTION TASKS PRIOR TO BOLTING – VERIFY THE FOLLOWING ARE IN COMPLIANCE

2018 IBC 1705.2.1, AISC 360-16: Table C-N5.6-1

TASK INSPECTION TYPE 1 DESCRIPTION

1. Manufacture’s certifications available for fastener materials

PERFORM

2. Fasteners marked in accordance with ASTM requirements

OBSERVE

3. Proper fasteners selected for joint detail (grade, type, bolt length if threads are to be excluded from shear plane)

OBSERVE

4. Proper bolting procedure selected for joint detail

OBSERVE

5. Connecting elements, including appropriate faying surface condition and hole preparation, if specified, meet applicable requirements

OBSERVE

6. Proper storage provided for bolts, nuts, washers, and other fastener components

OBSERVE

STEEL INSPECTION TASKS DURING BOLTING – VERIFY THE FOLLOWING ARE IN COMPLIANCE

2018 IBC 1705.2.1, AISC 360-16: Table C-N5.6-2

TASK INSPECTION TYPE 1 DESCRIPTION

7. Fastener assemblies of suitable condition, placed in all holes and washers (if required) are positioned as required

OBSERVE

8. Joint brought to the snug-tight condition prior to pretensioning operation

OBSERVE

9. Fastener component not turned by the wrench prevented from rotating

OBSERVE

10. Bolts are pretensioned in accordance with RCSC Specification, progressing systematically from the most rigid point toward the free edges

OBSERVE

STEEL INSPECTION TASKS AFTER BOLTING – VERIFY THE FOLLOWING ARE IN COMPLIANCE

IBC 1705.2.1, AISC 360-10: Table C-N5.6-3

TASK INSPECTION TYPE 1 DESCRIPTION

11. Document acceptance or rejection of all bolted connections

DOCUMENT

1 PERFORM: Perform these tasks for each weld, fastener or bolted connection, and required verification.

OBSERVE: Observe these items on a random sampling basis daily to insure that applicable requirements are met. Operations need not be delayed pending these inspections at contractor’s risk.

DOCUMENT: Document in a report that the work has been performed as required. This is in addition to all other required reports.

WF SCHED OF SPECIAL INSPECTIONS FOR UFGS 01 45 35 REVISED FOR IBC 2018 ON 03/01/20

STRUCTURAL - STEEL - NON DESTRUCTIVE TESTING SECTION

NONDESTRUCTIVE TESTING OF WELDED JOINTS – VERIFY THE FOLLOWING ARE IN COMPLIANCE

2018 IBC 1705.2.1, AISC 360-16: Section N5.5

TASK INSPECTION TYPE 1 DESCRIPTION

1. Use of qualified nondestructive testing personnel

PERFORM Visual weld inspection and nondestructive testing (NDT) shall be conducted by personnel qualified in accordance with AWS D1.8 clause 7.2

2. Welded joints subject to fatigue

OBSERVE Dye penetrant testing (DT) and Ultrasonic testing (UT) shall be performed on 100% of welded joints identified on contract drawings as being subject to fatigue.

3. Weld tab removal sites OBSERVE At the end of welds where weld tabs have been removed, magnetic particle testing shall be performed on the same beam-to-column joints receiving UT

STRUCTURAL - STEEL - OTHER INSPECTIONS

OTHER STEEL INSPECTIONS – VERIFY THE FOLLOWING ARE IN COMPLIANCE

2018 IBC 1705.2.1, AISC 341-16: Tables J8.1 & J10.1

TASK INSPECTION TYPE 4 DESCRIPTION

1. Anchor rods and other embedments supporting structural steel

PERFORM Verify the diameter, grade, type, and length of the anchor rod or embedded item, and the extent or depth of embedment prior to placement of concrete.

2. Fabricated steel or erected steel frame

N/A

3. Reduced beam sections (RBS) where/if occurs

N/A

4. Protected zones N/A

5. Steel piles DOCUMENT No unapproved holes or attachments made by the responsible contractor

1 PERFORM: Perform these tasks for each weld, fastener or bolted connection, and required verification.

OBSERVE: Observe these items on a random sampling basis daily to insure that applicable requirements are met. Operations need not be delayed pending these inspections at contractor’s risk.

4 PERFORM: Perform these tasks for each weld, fastener or bolted connection, and required verification.

OBSERVE: Observe these items on a random sampling basis daily to insure that applicable requirements are met. Operations need not be delayed pending these inspections at contractor’s risk.

DOCUMENT: Document in a report that the work has been performed as required. This is in addition to all other required reports.

WF SCHED OF SPECIAL INSPECTIONS FOR UFGS 01 45 35 REVISED FOR IBC 2018 ON 03/01/20

STRUCTURAL - CONCRETE CONSTRUCTION SECTION

CONCRETE CONSTRUCTION, INCLUDING COMPOSITE DECK – VERIFY THE FOLLOWING ARE IN COMPLIANCE

IBC TABLE 1705.3 (ACI 318 REFERENCES NOTED IN IBC TABLE)

TASK INSPECTION TYPE 8 DESCRIPTION

1. Inspect reinforcement, including prestressing tendons, and verify placement.

OBSERVE Verify prior to placing concrete that reinforcing is of specified type, grade and size; that it is free of oil, dirt and unacceptable rust; that it is located and spaced properly; that hooks, bends, ties, stirrups and supplemental reinforcement are placed correctly; that lap lengths, stagger and offsets are provided; and that all mechanical connections are installed per the manufacturer’s instructions and/or evaluation report.

2. Reinforcing bar welding OBSERVE Verify weldability of reinforcing bars other than

ASTM A 706

Inspect single-pass fillet welds, maximum 5/16” in accordance with AWS D1.4

3. All other welding CONTINUOUS Visually inspect all welds in accordance with AWS D1.4

4. Cast in place anchors and post installed drilled anchors (downward inclined)

OBSERVE Verify prior to placing concrete that cast in place anchors and post installed drilled anchors have proper embedment, spacing and edge distance.

5. Post-installed adhesive anchors in horizontal or upward inclined orientations

CONTINUOUS AND

DOCUMENT

Inspect as required per approved ICC-ES report Verify that installer is certified for installation of horizontal and overhead installation applications Inspect proof loading as required by the contract documents

6. Verify use of required mix design OBSERVE Verify that all mixes used comply with the approved construction documents

7. Prior to concrete placement, fabricate specimens for strength tests, perform slump and air content tests, and determine the temperature of the concrete

CONTINUOUS At the time fresh concrete is sampled to fabricate specimens for strength test verify these tests are performed by qualified technicians.

8. Inspect concrete and/or shotcrete placement for proper application techniques

CONTINUOUS Verify proper application techniques are used during concrete conveyance and depositing avoids segregation or contamination. Verify that concrete is properly consolidated.

9. Verify maintenance of specified curing temperature and technique

OBSERVE Inspect curing, cold weather protection, and hot weather protection procedures.

10. Pre-stressed concrete CONTINUOUS Verify application of prestressing forces and grouting of bonded prestressing tendons.

CONTINUED ON FOLLOWING PAGE

8 OBSERVE: Observe these items on a random sampling basis daily to insure that applicable requirements are met. Operations need

DOCUMENT: Document in a report that the work has been performed as required. This is in addition to all other required reports.

CONTINUOUS: Constant monitoring of identified tasks by a special inspector over the duration of performance of said tasks.

WF SCHED OF SPECIAL INSPECTIONS FOR UFGS 01 45 35 REVISED FOR IBC 2018 ON 03/01/20

STRUCTURAL - CONCRETE CONSTRUCTION (CONTINUED)

CONCRETE CONSTRUCTION, INCLUDING COMPOSITE DECK – VERIFY THE FOLLOWING ARE IN COMPLIANCE

IBC TABLE 1705.3 (ACI 318 REFERENCES NOTED IN IBC TABLE)

TASK INSPECTION TYPE 9 DESCRIPTION

11. Inspect erection of precast concrete members

OBSERVE

12. Verify in-situ concrete strength, prior to stressing of tendons in post-tensioned concrete and prior to removal of shores and forms from beams and structural slabs.

OBSERVE

13. Inspect formwork for shape, location and dimensions of the concrete member being formed.

OBSERVE

9 OBSERVE: Observe these items on a random sampling basis daily to insure that applicable requirements are met. Operations need

DOCUMENT: Document in a report that the work has been performed as required. This is in addition to all other required reports.

CONTINUOUS: Constant monitoring of identified tasks by a special inspector over the duration of performance of said tasks.

WF SCHED OF SPECIAL INSPECTIONS FOR UFGS 01 45 35 REVISED FOR IBC 2018 ON 03/01/20

GEOTECHNICAL - SOILS INSPECTION SECTION

SOILS INSPECTION – VERIFY THE FOLLOWING ARE IN COMPLIANCE

IBC 1705.6

TASK INSPECTION TYPE

12 DESCRIPTION

1. Materials below shallow foundations are adequate to achieve the design bearing capacity.

N/A

2. Excavations are extended to proper depth and have reached proper material

OBSERVE

3. Perform classification and testing of compacted fill materials

OBSERVE

4. Verify use of proper materials, densities and lift thicknesses during placement and compaction of compacted fill

CONTINUOUS

5. Prior to placement of compacted fill, inspect subgrade and verify that site has been prepared properly.

OBSERVE During fill placement, the special inspector shall verify that proper materials and procedures are used in accordance with the provisions of the approved geotechnical report

GEOTECHNICAL - DRIVEN DEEP FOUNDATION ELEMENTS SECTION

DEEP DRIVEN FOUNDATION CONSTRUCTION – VERIFY THE FOLLOWING ARE IN COMPLIANCE

IBC 1705.7

TASK INSPECTION TYPE 1 DESCRIPTION

1. Verify element materials, sizes and lengths comply with requirements

CONTINUOUS

2. Inspect driving operations and maintain complete and accurate records for each element

CONTINUOUS

3. Verify placement locations and plumbness, confirm type and size of hammer, record number of blows per foot of penetration, determine required penetrations to achiever design capacity, record tip and butt elevations and document any damage to foundation element, document all encounters with rock above minimum tip elevation, and methods used to clear obstruction.

CONTINUOUS

4. Determine capacities of test elements and conduct additional load tests if required.

CONTINUOUS

5. For steel or concrete elements, perform additional special inspections in accordance with the Steel and Concrete sections in this schedule

12 OBSERVE: Observe these items on a random sampling basis daily to insure that applicable requirements are met. Operations need

CONTINUOUS: Constant monitoring of identified tasks by a special inspector over the duration of performance of said tasks.

WF SCHED OF SPECIAL INSPECTIONS FOR UFGS 01 45 35 REVISED FOR IBC 2018 ON 03/01/20

GEOTECHNICAL - CAST IN PLACE DEEP FOUNDATION ELEMENTS SECTION

ALL OR PORTIONS OF THIS SECTION ARE APPLICABLE IF BOX IS CHECKED: ☐

CAST IN PLACE DEEP FOUNDATION ELEMENTS – VERIFY THE FOLLOWING ARE IN COMPLIANCE

2018 IBC 1705.8

TASK INSPECTION TYPE 13 DESCRIPTION

1. Inspect drilling operations and maintain complete and accurate records for each element. Including use of drill to clear obstruction above indicated minimum tip elevation.

CONTINUOUS

2. Verify placement locations and plumbness, confirm element diameters, bell diameters (if applicable), lengths, embedment into bedrock (if applicable) and adequate end-bearing strata capacity. Record concrete or grout volumes

CONTINUOUS For concrete elements, perform additional special inspections in accordance with the Concrete section in this schedule

13 CONTINUOUS: Constant monitoring of identified tasks by a special inspector over the duration of performance of said tasks.

WF SCHED OF SPECIAL INSPECTIONS FOR UFGS 01 45 35 REVISED FOR IBC 2018 ON 03/01/20

FIRE PROTECTION - SPRAYED FIRE-RESISTANT MATERIALS SECTION

SPRAYED FIRE RESISTANT MATERIALS (SFRM) – VERIFY THE FOLLOWING ARE IN COMPLIANCE

2018 IBC 1705.14

TASK INSPECTION TYPE

14 DESCRIPTION

1. Substrate condition OBSERVE

Prior to application, confirm that surfaces have been prepared according to the approved fire-resistance design and manufacturer’s instructions.

2. Material thickness OBSERVE Verify SFRM thickness according to 2018 IBC 1705.14.4

3. Material density OBSERVE Verify SFRM density according to 2018 IBC 1705.14.5

4. Bond strength OBSERVE Verify bond strength of cured SFRM according to IBC 1705.14.6

END SECTION

FIRE PROTECTION - MASTIC AND INTUMESCENT COATINGS SECTION

ALL OR PORTIONS OF THIS SECTION ARE APPLICABLE IF BOX IS CHECKED: ☐

MASTIC AND INTUMESCENT FIRE-RESISTANT COATINGS – VERIFY THE FOLLOWING ARE IN COMPLIANCE

2018 IBC 1705.15

TASK INSPECTION TYPE 1 DESCRIPTION

1. Inspect according to

AWCI 12-B and the contract documents

Inspections shall be performed in accordance with AWCI 12-B, Standard Practice for the Testing and Inspection of Field Applied Thin Film Intumescent Fire-Resistive Materials.

FIRE PROTECTION – FIRE RESISTANT PENETRATIONS AND JOINTS SECTION

FIRE RESISTANT PENETRATIONS AND JOINTS – VERIFY THE FOLLOWING ARE IN COMPLIANCE

2018 IBC 1705.17

TASK INSPECTION TYPE 1 DESCRIPTION

1. Inspections of penetration firestop systems conducted in accordance with ASTM E 2174.

2. Inspections of fire-resistant joint systems conducted in accordance with ASTM E 2393

14 OBSERVE: Observe these items on a random sampling basis daily to insure that applicable requirements are met. Operations need

WF SCHED OF SPECIAL INSPECTIONS FOR UFGS 01 45 35 REVISED FOR IBC 2018 ON 03/01/20

FIRE PROTECTION – SMOKE CONTROL SECTION

SMOKE CONTROL – VERIFY THE FOLLOWING ARE IN COMPLIANCE

2018 IBC 1705.18

TASK INSPECTION TYPE

15 DESCRIPTION

1. Verify device locations and perform leakage testing

Perform during erection of ductwork and prior to concealment

2. Pressure difference testing, flow measurements and detection and control verification

Perform prior to occupancy and after sufficient completion

15 OBSERVE: Observe these items on a random sampling basis daily to insure that applicable requirements are met. Operations need

WF SCHED OF SPECIAL INSPECTIONS FOR UFGS 01 45 35 REVISED FOR IBC 2018 ON 03/01/20

PLUMBING/MECHANICAL/ELECTRICAL DESIGNATED SEISMIC SYSTEMS SECTION

PLUMBING, MECHANICAL AND ELECTRICAL

IBC 1705.12.6

TASK INSPECTION TYPE

17 DESCRIPTION

1. Anchorage of electrical equipment for emergency and standby power systems

Check for general conformance

2. Anchorage of all other electrical equipment in Seismic Design Categories E and F only (See first page of this schedule for Seismic Design Category)

OBSERVE Check for general conformance

3. Installation and anchorage of piping designed to carry hazardous materials and their associated mechanical units.

OBSERVE Check for general conformance

4. Installation and anchorage of vibration isolation systems where the construction documents require a nominal clearance of ¼” or less between support framing and restraint.

OBSERVE Check for general conformance

5. Verification of clearance between fire sprinkler piping and surrounding mechanical and electrical equipment, including ductwork, piping and their structural supports.

OBSERVE Check for minimum clearances noted in ASCE7 13.2.3 or a nominal clearance of not less than 3 inches

17 OBSERVE: Observe these items on a random sampling basis daily to insure that applicable requirements are met. Operations need

NOAA OMAO Ship & Support Facility Relocation Work Order No. 1562331 NSN-Newport, Rhode Island

SECTION 33 11 00

WATER UTILITY DISTRIBUTION PIPING

02/18

PART 1 GENERAL

1.1 REFERENCES

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

AMERICAN SOCIETY OF MECHANICAL ENGINEERS (ASME)

ASME B1.20.1 (2013; R 2018) Pipe Threads, General Purpose (Inch)

ASME B1.20.3 (1976; R 2013) Dryseal Pipe Threads (Inch)

ASME B16.1 (2015) Gray Iron Pipe Flanges and Flanged Fittings Classes 25, 125, and 250

ASME B16.18 (2018) Cast Copper Alloy Solder Joint Pressure Fittings

ASME B16.26 (2018) Standard for Cast Copper Alloy Fittings for Flared Copper Tubes

ASME B18.2.2 (2015) Nuts for General Applications:

Machine Screw Nuts, Hex, Square, Hex Flange, and Coupling Nuts (Inch Series)

ASME B18.5.2.1M (2006; R 2011) Metric Round Head Short Square Neck Bolts

ASME B18.5.2.2M (1982; R 2010) Metric Round Head Square Neck Bolts

AMERICAN WATER WORKS ASSOCIATION (AWWA)

AWWA B300 (2018) Hypochlorites

AWWA B301 (2010) Liquid Chlorine

AWWA C104/A21.4 (2016) Cement-Mortar Lining for Ductile-Iron Pipe and Fittings for Water

AWWA C110/A21.10 (2012) Ductile-Iron and Gray-Iron Fittings for Water

AWWA C111/A21.11 (2017) Rubber-Gasket Joints for Ductile-Iron Pressure Pipe and Fittings

AWWA C115/A21.15 (2020) Flanged Ductile-Iron Pipe With Ductile-Iron or Gray-Iron Threaded Flanges

AWWA C150/A21.50 (2014) Thickness Design of Ductile-Iron

SECTION 33 11 00 Page 1

Pipe

AWWA C151/A21.51 (2017) Ductile-Iron Pipe, Centrifugally Cast

AWWA C153/A21.53 (2019) Ductile-Iron Compact Fittings for Water Service

AWWA C213 (2015) Fusion-Bonded Epoxy Coating for the Interior and Exterior of Steel Water Pipelines

AWWA C219 (2017) Bolted Sleeve-Type Couplings for Plain-End Pipe

AWWA C500 (20019) Metal-Seated Gate Valves for Water Supply Service

AWWA C502 (2018) Dry-Barrel Fire Hydrants

AWWA C508 (2017) Swing-Check Valves for Waterworks Service, 2 In. Through 48-In. (50-mm Through 1,200-mm) NPS

AWWA C509 (2015) Resilient-Seated Gate Valves for Water Supply Service

AWWA C515 (2015) Reduced-Wall, Resilient-Seated Gate Valves for Water Supply Service

AWWA C550 (2017) Protective Interior Coatings for Valves and Hydrants

AWWA C600 (2017) Installation of Ductile-Iron Mains and Their Appurtenances

AWWA C605 (2014) Underground Installation of Polyvinyl Chloride (PVC) and Molecularly Oriented Polyvinyl Chloride (PVCO) Pressure Pipe and Fittings

AWWA C651 (2014) Standard for Disinfecting Water Mains

AWWA C655 (2009) Field Dechlorination

AWWA C800 (2014) Underground Service Line Valves and Fittings

AWWA M6 (2012) Water Meters - Selection, Installation, Testing, and Maintenance

AWWA M9 (2008; Errata 2013) Manual: Concrete Pressure Pipe

AWWA M23 (2020) Manual: PVC Pipe - Design and Installation - Third Edition

AWWA M41 (2009; 3rd Ed) Ductile-Iron Pipe and

SECTION 33 11 00 Page 2

Fittings

AWWA M55 (2006) PE Pipe - Design and Installation

ASTM INTERNATIONAL (ASTM)

ASTM A47/A47M (1999; R 2018; E 2018) Standard Specification for Ferritic Malleable Iron Castings

ASTM A48/A48M (2003; R 2016) Standard Specification for Gray Iron Castings

ASTM A307 (2014; E 2017) Standard Specification for Carbon Steel Bolts, Studs, and Threaded Rod 60 000 PSI Tensile Strength

ASTM A536 (1984; R 2019; E 2019) Standard Specification for Ductile Iron Castings

ASTM A563 (2015) Standard Specification for Carbon and Alloy Steel Nuts

ASTM B32 (2008; R 2014) Standard Specification for Solder Metal

ASTM B61 (2015) Standard Specification for Steam or Valve Bronze Castings

ASTM B62 (2017) Standard Specification for Composition Bronze or Ounce Metal Castings

ASTM B88 (2020) Standard Specification for Seamless Copper Water Tube

ASTM C94/C94M (2020) Standard Specification for Ready-Mixed Concrete

ASTM D2774 (2012) Underground Installation of Thermoplastic Pressure Piping

ASTM D2855 (2015) Standard Practice for Making Solvent-Cemented Joints with Poly(Vinyl Chloride) (PVC) Pipe and Fittings

ASTM F402 (2005; R 2012) Safe Handling of Solvent Cements, Primers, and Cleaners Used for Joining Thermoplastic Pipe and Fittings

ASTM F2164 (2018) Standard Practice for Field Leak Testing of Polyethylene (PE) and Crosslinked Polyethylene (PEX) Pressure Piping Systems Using Hydrostatic Pressure

DUCTILE IRON PIPE RESEARCH ASSOCIATION (DIPRA)

DIPRA TRD ((2016) Thrust Restraint Design for Ductile Iron Pipe

SECTION 33 11 00 Page 3

FOUNDATION FOR CROSS-CONNECTION CONTROL AND HYDRAULIC RESEARCH

(FCCCHR)

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

MANUFACTURERS STANDARDIZATION SOCIETY OF THE VALVE AND FITTINGS

INDUSTRY (MSS)

MSS SP-80 (2019) Bronze Gate, Globe, Angle and Check Valves

NATIONAL FIRE PROTECTION ASSOCIATION (NFPA)

NFPA 24 (2019; TIA 19-1) Standard for the Installation of Private Fire Service Mains and Their Appurtenances

NSF INTERNATIONAL (NSF)

NSF 372 (2016) Drinking Water System Components - Lead Content

NSF/ANSI 61 (2020) Drinking Water System Components - Health Effects

U.S. DEPARTMENT OF DEFENSE (DOD)

UFC 3-600-01 (2016; with Change 3, 2019) Fire Protection Engineering for Facilities

UNDERWRITERS LABORATORIES (UL)

UL 246 (2011; Reprint Jul 2020) UL Standard for Safety Hydrants for Fire-Protection Service

UL 262 (2004; Reprint Oct 2011) Gate Valves for Fire-Protection Service

UL 312 (2010; Reprint Mar 2018) UL Standard for Safety Check Valves for Fire-Protection Service

1.2 DEFINITIONS

1.2.1 Water Transmission Mains

Water transmission mains include water piping having diameters greater than 14 inch, specific materials, methods of joining and any appurtenances deemed necessary for a satisfactory system.

1.2.2 Water Mains

Water mains include water piping having diameters 4 through 14 inch, specific materials, methods of joining and any appurtenances deemed necessary for a satisfactory system.

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1.2.3 Water Service Lines

Water service lines include water piping from a water main to a building service at a point approximately 5 feet from building or the point indicated on the drawings, specific materials, methods of joining and any appurtenances deemed necessary for a satisfactory system.

1.2.4 Additional Definitions

For additional definitions refer to the definitions in the applicable referenced standard.

1.3 SUBMITTALS

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

submittals not having a "G" designation are for Contractor Quality Control approval. Submittals with an "S" are for inclusion in the Sustainability eNotebook, in conformance with Section 01 33 29 SUSTAINABILITY REPORTING.

Submit the following in accordance with Section 01 33 00 SUBMITTAL

PROCEDURES:

SD-01 Preconstruction Submittals

Connections; G

SD-03 Product Data

Pipe, Fittings, Joints and Couplings; G

Valves; G

Valve Boxes; G

Indicator Posts; G

Fire Hydrants; G

Pipe Restraint; G

Tapping Sleeves; G

Mechanical Couplings; G

Insulating Joints; G

Tracer Wire; G

Corporation Stops; G

Tapping Saddles; G

Landside Backflow Preventer; G

Disinfection Procedures; G

Compound Type Meters; G

SD-06 Test Reports

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Bacteriological Samples; G

Hydrostatic Sewer Test

Leakage Test

Hydrostatic Test

Backflow Preventer Tests

SD-07 Certificates

Pipe, Fittings, Joints and Couplings

Lining

Valves

Fire Hydrants

SD-08 Manufacturer's Instructions

Ductile Iron Piping

Polyethylene (PE) Pipe

Copper Pipe For Service Lines

1.4 QUALITY CONTROL

1.4.1 Regulatory Requirements

Comply with NSF/ANSI 61 and NSF 372 for materials for potable water systems; comply with lead content requirements for "lead-free" plumbing as defined by the U.S. Safe Drinking Water Act effective January 2014.

Provide materials bearing the seal of the National Sanitation Foundation (NSF) for potable water service.

Comply with NFPA 24 for materials, installation, and testing of fire main piping and components.

1.4.2 Qualifications

1.4.2.1 Backflow Preventers

1.4.2.1.1 Backflow Preventer Certificate

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

1.5 DELIVERY, STORAGE, AND HANDLING

1.5.1 Delivery and Storage

Inspect materials delivered to site for damage. Unload and store with minimum handling and in accordance with manufacturer's instructions.

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Store materials on site in enclosures or under protective covering. Store plastic piping, jointing materials and rubber gaskets under cover out of direct sunlight. Do not store materials directly on the ground. Keep inside of pipes, fittings, valves, fire hydrants, and other accessories free of dirt and debris.

1.5.2 Handling

Handle pipe, fittings, valves, fire hydrants, and other accessories in accordance with manufacturer's instructions and in a manner to ensure delivery to the trench in sound undamaged condition. Avoid injury to coatings and linings on pipe and fittings; make repairs if coatings or linings are damaged. Do not place other material, hooks, or pipe inside a pipe or fitting after the coating has been applied. Inspect the pipe for defects before installation. Carry, do not drag pipe to the trench. Use of pinch bars and tongs for aligning or turning pipe will be permitted only on the bare ends of the pipe. Clean the interior of pipe and accessories of foreign matter before being lowered into the trench and keep them clean during laying operations by plugging. Replace defective material without additional expense to the Government. Store rubber gaskets, not immediately installed, under cover or out of direct sunlight.

Handle ductile iron pipe, fittings, and accessories in accordance with AWWA C600 and AWWA M41. Handle PVC and PVCO pipe, fittings, and accessories in accordance with AWWA C605. Handle PE pipe, fittings, and accessories in accordance with AWWA M55.

PART 2 PRODUCTS

2.1 MATERIALS

Provide all materials in accordance with AWWA C800 and as indicated herein. Provide valves and fittings with pressure ratings equivalent to the pressure ratings of the pipe.

2.1.1 Pipe, Fittings, Joints And Couplings

Submit manufacturer's standard drawings or catalog cuts, except submit both drawings and cuts for push-on and rubber-gasketed bell-and-spigot joints. Include information concerning gaskets with submittal for joints and couplings.

2.1.1.1 Ductile-Iron Piping

2.1.1.1.1 Pipe and Fittings

Pipe, AWWA C151/A21.51 , Thickness Class 52 per AWWA C150/A21.50 . Flanged pipe, AWWA C115/A21.15 .Fittings, AWWA C153/A21.53 ; fittings with push-on joint ends are to meet the same requirements as fittings with mechanical-joint ends, except for the factory modified bell design.

Provide fittings with pressure ratings equivalent to that of the pipe.

Provide compatible pipe ends and fittings for the specified joints.

Provide cement-mortar lining, AWWA C104/A21.4 , twice the standard thickness on pipe and fittings.

2.1.1.1.2 Joints and Jointing Material

Provide push-on joints or mechanical joints for pipe and fittings unless otherwise indicated. Provide mechanical joints where indicated. Provide

SECTION 33 11 00 Page 7 flanged joints where indicated. Provide mechanically coupled type joints using a sleeve-type mechanical coupling where indicated. Sleeve-type mechanical couplings in lieu of push-on joints are acceptable, subject to the limitations specified in the paragraph SLEEVE-TYPE MECHANICAL

COUPLINGS.

a. Push-On Joints: Shape of pipe ends and fitting ends, gaskets, and lubricant for joint assembly as recommended in AWWA C111/A21.11 .

b. Mechanical Joints: Dimensional and material requirements for pipe ends, glands, bolts and nuts, and gaskets as recommended in

AWWA C111/A21.11 .

c. Flanged Joints: Bolts, nuts, and gaskets for flanged connections as recommended in Appendix A of AWWA C115/A21.15 . Provide AWWA C115/A21.15 ductile iron flanges and conform to ASME B16.1 , Class

125. Provide ASTM A536 epoxy coated steel set screw flanges. Gasket and lubricants for set screw flanges, in accordance with mechanical-joint gaskets specified in AWWA C111/A21.11 .

d. Insulating Joints: Designed to prevent metal-to-metal contact at the joint between adjacent sections of piping. Provide flanged type joint with insulating gasket, insulating bolt sleeves, and insulating washers. Provide full face dielectric type gaskets, as recommended in the Appendix to AWWA C115/A21.15 . Bolts and nuts, as recommended in the Appendix to AWWA C115/A21.15 .

e. Sleeve-Type Mechanical Coupled Joints: As specified in the paragraph

SLEEVE-TYPE MECHANICAL COUPLINGS.

2.1.1.2 Plastic Piping

2.1.1.2.1 Polyethylene (PE) Pipe For Service Lines

Plastic pipe and fittings shall bear the seal of the National Sanitation Foundation (NSF) for potable water service. Plastic pipe and fittings shall be supplied from the same manufacturer.

a. Polyethylene (PE) Plastic Pipe: Pipe tubing, and heat fusion fitting shall conform to AWWA C901.

b. Polyethylene tubing (PET) shall be ultra high molecular weight polyethylene, rated for 200 psi and conforming to AWWA C901.

2.1.1.3 Copper Pipe For Service Lines

2.1.1.3.1 Copper Tubing and Associated Fittings

Provide ASTM B88, Type K copper tubing. Provide AWWA C800 fittings.

AWWA C800 includes ASME B1.20.3 , ASME B1.20.1 , ASME B16.18 solder-type joint fittings.

2.1.2 Valves

Provide a protective interior coating in accordance with AWWA C550.

2.1.2.1 Gate Valves 3 Inch Size and Larger

AWWA C500, AWWA C509, AWWA C515, or UL 262 and:

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a. AWWA C515: nonrising stem type with mechanical-joint ends or resilient-seated gate valves 3 to 12 inches in size

b. UL 262 : inside-screw type with operating nut, double-disc or split-wedge type gate, designed for a hydraulic working pressure of 200 psi, and have mechanical-joint ends or push-on joint ends as appropriate for the pipe to which it is joined.

Match materials for UL 262 gate valves to the reference standards specified in AWWA C500. Gate valves open by counterclockwise rotation of the valve stem. Stuffing boxes have 0-ring stem seals. Stuffing boxes are bolted and constructed so as to permit easy removal of parts for repair. Where an indicator post are shown, provide an indicator post flange for AWWA C515 gate valves conforming to the requirements of UL 262 .

Provide all valves from one manufacturer.

2.1.2.2 Check Valves

Provide a protective interior coating in accordance with AWWA C550.

Swing-check type, AWWA C508 or UL 312 and:

a. AWWA C508: Iron or steel body and cover and flanged ends

b. UL 312 : Cast iron or steel body and cover, flanged ends, and designed for a minimum working pressure of 200 psi.

Materials for UL 312 check valves are to match the reference standards specified in AWWA C508. Provide check valves with a clear port opening.

Provide spring-loaded check valves where indicated. Class 125 flanges are to match ASME B16.1 . Provide all check valves from one manufacturer.

2.1.2.3 Water Service Valves

2.1.2.3.1 Gate Valves Smaller than 3 Inch in Size

Gate valves smaller than 3 inch size MSS SP-80 , Class 150, solid wedge, nonrising stem, with flanged or threaded end connections, a union on one side of the valve, and a handwheel operator.

2.1.2.4 Indicator Posts

Provide for gate valves where indicated. Provide upright gate valve with indicator post in accordance with UL 789 and NFPA 24, where indicated. Top of the post shall be set between 32 and 40 inches above the final grade.

Construct indicator post body of cast iron, ductile iron or a combination of both, bronze operating nut, cast iron locking wrench meeting the requirements of ASTM A126 Class B, with open and shut target window.

Provide Fusion Bonded Epoxy Coating in accordance with ANSI/ AWWA C550.

2.1.2.5 Valve Boxes

Provide a valve box for each gate valve, except where indicator post is shown. Construct adjustable valve boxes manufactured from cast iron of a size compatible for the valve on which it is used. Provide cast iron valve boxes with a minimum cover and wall thickness of 3/16 inch and conforming to ASTM A48/A48M, Class 35B. Coat the cast-iron box with a heavy coat of bituminous paint. Provide a round head. Cast the word "WATER" on the lid. The minimum diameter of the shaft of the box is 5 1/4

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2.1.3 Fire Hydrants And Hose Houses

2.1.3.1 Fire Hydrants

Provide fire hydrants where indicated. Paint fire hydrants with at least one coat of primer and two coats of enamel paint. Paint barrel and bonnet colors in accordance with UFC 3-600-01 . Stencil fire hydrant number and main size on the fire hydrant barrel using black stencil paint.

Provide a protective epoxy interior coating conforming to AWWA C550 on those portions of the fire hydrant continuously in contact with sea water or salt water.

2.1.3.1.1 Dry-Barrel Type Fire Hydrants

Provide Dry-barrel type fire hydrants, AWWA C502 or UL 246 , "Base Valve" with 6 inch inlet, 5 1/4 inch valve opening, one 4 1/2 inch pumper connection, and two 2 1/2 inch hose connections. Individually valve pumper connection and hose connections with independent nozzle gate valves.

Provide mechanical-joint end only inlet, except where flanged end is indicated; with end matching requirements as specified in AWWA C502 for size and shape of operating nut, cap nuts, and threads on hose and pumper connections. Provide fire hydrants with frangible sections as mentioned in AWWA C502. Provide fire hydrant with special couplings joining upper and lower sections of fire hydrant barrel and upper and lower sections of fire hydrant stem that break from a force imposed by a moving vehicle.

Hydrants shall be painted yellow and shall be Waterous type.

2.1.3.1.2 Yard Hydrant

Provide Frost Proof Yard Hydrant with self-draining shut-off valve installed below the frost line or 4 feet minimum below grade.

2.1.4 Meters

Submit certificates certifying all required and recommended tests set forth in the referenced standard and AWWA M6 have been performed and comply with all applicable requirements of the referenced standard and AWWA M6 within the past three years. Include certification that each meter has been tested for accuracy of registration and that each meter complies with the accuracy and capacity requirements of the referenced standard when tested in accordance with AWWA M6.

Include a register with all meters whether they are or are not connected to a remote reading system.

2.1.4.1 Compound Type Meters

Provide AWWA C702 Advanced Metering Infrastructure (AMI) and Direct Digital Communication (DDC) compatible meter with strainers. Main casing constructed of copper alloy containing not less than 75 percent copper with protective coating in accordance with AWWA C213 or AWWA C550. Equip with tapped bosses near the outlet for field testing purposes.

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2.1.5 Disinfection

Chlorinating materials are to conform to: Chlorine, Liquid: AWWA B301;

Hypochlorite, Calcium and Sodium: AWWA B300.

2.2 ACCESSORIES

2.2.1 Pipe Restraint

Provide pipe anchorage designed for a minimum working pressure of 150 psi and in accordance with AWWA C600. Provide plugs, caps, tees and bends deflecting 11-1/4 degrees or more, either vertically or horizontally, with thrust restraint. Securely anchor valves or provide with thrust restraints to prevent movement. Install thrust restraints made from either thrust blocks or, for ductile-iron pipes, restrained joints.

2.2.1.1 Thrust Blocks

Use ASTM C94/C94M concrete having a minimum compressive strength of 2,500 psi at 28 days. Provide concrete thrust blocking of a mix not leaner than: 1 cement, 2-1/2 sand, and 5 gravel. Place blocking between solid ground and the fitting to be anchored. Unless otherwise indicated or directed, place the base and thrust bearing sides of thrust blocks directly against undisturbed earth. Place the side of thrust blocks not subject to thrust against forms, if applicable. Provide the area of bearing as shown or as directed. Place blocking so that the fitting joints are accessible for repair. Use steel rods and clamps, protected by galvanizing or by coating with bituminous paint, to anchor vertical down bends into gravity thrust blocks.

2.2.1.2 Joint Restraint

Provide restrained joints in accordance with DIPRA TRD.

Provide mechanical joint restraint or restraint devices with gripper wedges incorporated into a follower gland and specifically designed for the pipe material and meeting the requirements of AWWA C110/A21.10 .

2.2.2 Tapping Sleeves

Provide cast gray, ductile, malleable iron or stainless steel, split-sleeve type tapping sleeves of the sizes indicated for connection to existing main with flanged or grooved outlet, and with bolts, follower rings and gaskets on each end of the sleeve. Utilize similar metals for bolts, nuts, and washers to minimize the possibility of galvanic corrosion. Provide dielectric gaskets where dissimilar metals adjoin.

Provide a tapping sleeve assembly with a maximum working pressure of 150 psi. Provide bolts with square heads and hexagonal nuts. Longitudinal gaskets and mechanical joints with gaskets as recommended by the manufacturer of the sleeve. When using grooved mechanical tee, utilize an upper housing with full locating collar for rigid positioning which engages a machine-cut hole in pipe, encasing an elastomeric gasket which conforms to the pipe outside diameter around the hole and a lower housing with positioning lugs, secured together during assembly by nuts and bolts as specified, pre-torqued to 50 foot-pound.

2.2.3 Tapping Saddles

Provide ductile iron type with steel straps and rubber sealing gasket.

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Provide a tapping saddle assembly with a minimum pressure rating of 250 psi.

2.2.4 Landside Backflow Preventer

Provide Reduced Pressure Backflow Preventer meeting the requirements of AWWA C511-97 and NSF/ANSI 61. Device shall be rated to 180°F and 175 psi working pressure, with full port ball valves. Provide Bronze main body for size 1". Provide reinforced Nylon housing and silicon (FDA approved) seat disc elastomers. Provide first and second checks accessible for maintenance without removing the device from the line. Service of all internal components shall be through a single access bronze cover secured with stainless steel bolts. The assembly shall also include four resilient seated test cocks and an air gap drain fitting. Provide strainer of the same material as the backflow preventer. Maximum allowable pressure loss of 15 psi.

Select materials for piping, strainers, and valves used in assembly installation that are galvanically compatible. Materials joined, connected, or otherwise in contact are to have no greater than 0.25 V difference on the Anodic Index, unless separated by a dielectric type union or fitting.

2.2.4.1 Landside Backflow Preventer Enclosure

Provide Freeze-Protection Enclosure that is insulated and designed to protect aboveground water piping, equipment, or specialties from freezing and damage, with heat source to maintain minimum internal temperature of 40 degrees F when external temperatures reach as low as -30 degree F.

a. Roof, walls, drain flap: 5052-H32 marine grade aluminum (.050-inch/18 gauge), mill finish, ASTM B209.

b. Mounting hardware: 5052-H32 marine grade aluminum for securing enclosure to concrete base.

c. Enclosure shall have access doors with locking devices, sized to allow access and service of the protected unit, drain openings, and an electric heating cable or heater with self-limiting temperature control.

d. Enclosure shall be fabricated to the minimum dimensions indicated on the drawings.

e. Drain ports shall be sized for full port backflow discharge and designed for a one-way operation allowing backflow discharge but not allowing wind, debris and small animals to enter the enclosure.

f. Enclosure shall be designed to support a minimum vertical load of 100 lb/sf.

g. Enclosure shall be designed to support wind speeds up to 120 mph.

h. No wood or particle board should be used in the construction of the enclosure.

i. Insulation shall be 1.5" minimum thickness with an R-Value of 10.

j. Heating equipment shall protect the piping and equipment from exterior temperatures to -30F. ETL listed thermostatically controlled wall mounted air forced heaters shall be furnished and designed by the manufacturer of the enclosure to maintain the equipment at +40F, In accordance with ASSE 1060 1.2.2.1.

k. Heating equipment shall be wall mounted to the supplied heater plates and a minimum of 8" above the slab unless it is UL or ETL certified and NEC approved for submersion.

l. Power source shall be protected with a GFI receptacle, U.L. 943, NEMA 3R. Mounted a minimum of 8" from the bottom of the receptacle to the

SECTION 33 11 00 Page 12 top of the slab.

m. Provide separate 20 amp circuits for each heater, so in the event a circuit fails all other circuits will remain powered. Installations must be in accordance with the local and national codes.

n. The heaters shall be ETL listed for wet/damp locations.

o. Provide 1000w, 120v, single phase heater.

p. The concrete slab size shall be 12" larger than the enclosures interior dimensions and a minimum of 4" thick.

q. The enclosure shall be mounted to the concrete slab per the manufactures instructions provided with the enclosure.

2.2.5 Sleeve-Type Mechanical Couplings

Use couplings, AWWA C219 to join plain-end piping by compression of a ring gasket at each end of the adjoining pipe sections. The coupling consists of one middle ring flared or beveled at each end to provide a gasket seat;

two follower rings; two resilient tapered rubber gaskets; and bolts and nuts to draw the follower rings toward each other to compress the gaskets. Provide true circular middle ring and the follower rings sections free from irregularities, flat spots, and surface defects;

provide for confinement and compression of the gaskets. For ductile iron pipe, the middle ring is cast-iron. Malleable and ductile iron are to meet the requirements of ASTM A47/A47M and ASTM A536, respectively. Use gaskets for resistance to set after installation and to meet the requirements specified for gaskets for mechanical joint in AWWA C111/A21.11 .

Provide track-head type bolts ASTM A307, Grade A, with nuts, ASTM A563, Grade A; or round-head square-neck type bolts, ASME B18.5.2.1M and ASME B18.5.2.2M with hex nuts, ASME B18.2.2 . Provide 5/8 inch diameter bolts; minimum number of bolts for each coupling is 6 for 8 inch pipe.

Shape bolt holes in follower rings to hold fast to the necks of the bolts used. Do not use mechanically coupled joints using a sleeve-type mechanical coupling as an optional method of jointing except where pipeline is adequately anchored to resist tension…