Attachment 4 Specifications.pdf

California Area Indian Health Service Revised 10/31/2016

Table of Contents – Technical Specifications 01 99 99 - 1

TECHNICAL SPECIFICATIONS

TABLE OF CONTENTS

DIVISION 3 – CONCRETE

03 30 00 Cast-in-Place Concrete

DIVISION 5 – METALS

05 31 23 Steel Roof Decking

DIVISION 22 – PLUMBING

22 11 00 Facility Water Distribution

DIVISION 26 – ELECTRICAL

26 05 19 Electrical Conductors and Cables 26 05 33 Conduit and Boxes for Electrical Systems

DIVISION 31 – EARTHWORK

31 10 00 Site Clearing 31 23 16 Excavation 31 23 17 Trenching

DIVISION 32 – EXTERIOR IMPROVEMENTS

32 31 13 Chain Link Fences and Gates

DIVISION 33 - UTILITIES

33 11 13 Water Distribution Mains 33 11 16 Water Distribution Valves and Hydrants 33 12 13 Water Service Connections 33 13 00 Disinfection of Water Distribution 33 13 13 Water Storage Tank Disinfection 33 16 21 HDPE Water Storage Tanks 33 21 13 Community Water Supply Wells

END OF SECTION

California Area Indian Health Service Revised 3/15/2018

Cast-In-Place Concrete 03 30 00 - 1 of 11

SECTION 03 30 00

CAST-IN-PLACE CONCRETE

PART 1 GENERAL

1.1 SUMMARY

A. Section includes cast-in-place concrete for the following:

1. Foundation walls.

2. Supported slabs.

3. Slabs on grade.

4. Control, expansion and contraction joint devices.

5. Equipment pads.

6. Thrust blocks.

7. Manholes.

B. Related Sections:

1. Section 03 10 00 - Concrete Forming and Accessories: Formwork and accessories.

2. Section 03 20 00 - Concrete Reinforcing.

3. Section 03 35 00 - Concrete Finishing.

4. Section 03 39 00 - Concrete Curing.

1.2 REFERENCES

A. American Concrete Institute:

1. ACI 301 - Specifications for Structural Concrete.

2. ACI 305 - Hot Weather Concreting.

3. ACI 306.1 - Standard Specification for Cold Weather Concreting.

4. ACI 308.1 - Standard Specification for Curing Concrete.

5. ACI 318 - Building Code Requirements for Structural Concrete.

6. ACI 347 - Guide to Formwork for Concrete.

B. ASTM International:

1. ASTM A82 - Standard Specification for Steel Wire, Plain, for Concrete Reinforcement.

2. ASTM A185 - Standard Specification for Steel Welded Wire Reinforcement, Plain, for

Concrete.

3. ASTM A496 - Standard Specification for Steel Wire, Deformed, for Concrete

Reinforcement.

4. ASTM A497 - Standard Specification for Steel Welded Wire Fabric, Deformed, for

Concrete Reinforcement.

5. ASTM A615 - Standard Specification for Deformed and Plain Billet-Steel Bars for Concrete

Reinforcement.

6. ASTM A704 - Standard Specification for Welded Steel Plain Bar or Rod Mats for Concrete

Reinforcement.

7. ASTM A706 - Standard Specification for Low-Alloy Steel Deformed and Plain Bars for

Concrete Reinforcement.

03 30 00 - 2 of 11

8. ASTM C31 - Standard Practice for Making and Curing Concrete Test Specimens in the Field.

9. ASTM C33 - Standard Specification for Concrete Aggregates.

10. ASTM C39 - Standard Test Method for Compressive Strength of Cylindrical Concrete

Specimens.

11. ASTM C94 - Standard Specification for Ready-Mixed Concrete.

12. ASTM C143 - Standard Test Method for Slump of Hydraulic Cement Concrete.

13. ASTM C150 - Standard Specification for Portland Cement.

14. ASTM C171 - Standard Specification for Sheet Materials for Curing Concrete.

15. ASTM C172 - Standard Practice for Sampling Freshly Mixed Concrete.

16. ASTM C173 - Standard Test Method for Air Content of Freshly Mixed Concrete by the

Volumetric Method.

17. ASTM C260 - Standard Specification for Air-Entraining Admixtures for Concrete.

18. ASTM C309 - Standard Specification for Liquid Membrane-Forming Compounds for

Curing Concrete.

19. ASTM C494 - Standard Specification for Chemical Admixtures for Concrete.

20. ASTM C618 - Standard Specification for Coal Fly Ash and Raw or Calcined Natural

Pozzolan for Use as a Mineral Admixture in Concrete.

21. ASTM C1017 - Standard Specification for Chemical Admixtures for Use in Producing

Flowing Concrete.

22. ASTM C1064 - Standard Test Method for Temperature of Freshly Mixed Hydraulic-Cement

Concrete.

23. ASTM C1107 - Standard Specification for Packaged Dry, Hydraulic-Cement Grout

(Nonshrink).

24. ASTM D1751 - Standard Specification for Preformed Expansion Joint Filler for Concrete

Paving and Structural Construction (Nonextruding and Resilient Bituminous Types).

25. ASTM D6690 - Standard Specification for Joint and Crack Sealants, Hot Applied, for

Concrete and Asphalt Pavements.

26. ASTM E119 - Standard Test Methods for Fire Tests of Building Construction and Materials.

C. Concrete Reinforcing Steel Institute:

1. CRSI - Manual of Standard Practice.

2. CRSI - Placing Reinforcing Bars.

1.3 SUBMITTALS

A. Section 01 33 00 - Submittal Procedures: Submittal procedures.

B. Design Data:

1. Submit concrete mix design for each concrete strength. Submit separate mix designs when admixtures are required for the following:

a. Hot and cold weather concrete work.

b. Air entrained concrete work.

2. Identify mix ingredients and proportions, including admixtures.

3. Identify chloride content of admixtures and whether or not chloride was added during manufacture.

4. Identify minimum and maximum allowable slump for submitted concrete mix design.

03 30 00 - 3 of 11

C. Product Data: Submit data on curing compounds, mats, paper, film, compatibilities, and limitations.

D. Delivery Data: Submit delivery ticket for ready mixed concrete delivered for use in the work.

Delivery ticket shall include the concrete mix, batch, volume delivered, admixtures used, batch time and amount of water that can be added within specifications.

1.4 CLOSEOUT SUBMITTALS

A. Section 01 70 00 - Execution and Closeout Requirements: Closeout procedures.

B. Project Record Documents: Accurately record actual locations of embedded utilities and components concealed from view in finished construction.

1.5 QUALITY ASSURANCE

A. Perform Work in accordance with ACI 301. Perform curing in accordance with ACI 318.

B. Conform to ACI 305 when concreting during hot weather.

C. Conform to ACI 306.1 when concreting during cold weather.

D. Acquire cement and aggregate from one source for Work.

E. Fire Rated Floor Construction: Rating as indicated on Drawings.

1. Tested Rating: Determined in accordance with ASTM E119.

1.6 ENVIRONMENTAL REQUIREMENTS

A. Section 01 60 00 - Product Requirements: Environmental conditions affecting products on site.

B. Maintain concrete temperature after installation at minimum 50 degrees F for minimum 7 days.

C. Maintain high early strength concrete temperature after installation at minimum 50 degrees F for minimum 3 days.

PART 2 PRODUCTS

2.1 CONCRETE MATERIALS

A. Cement: ASTM C150, Type I or IA – Normal or Type II or IIA – Moderate, unless otherwise specified in Drawings.

B. Normal Weight Aggregates: ASTM C33.

1. Coarse Aggregate Maximum Size: In accordance with ACI 318.

C. Water: ACI 318; potable, without deleterious amounts of chloride ions.

03 30 00 - 4 of 11

2.2 ADMIXTURES

A. Air Entrainment: ASTM C260.

B. Chemical: ASTM C494.

1. Type A - Water Reducing.

2. Type B - Retarding.

3. Type C - Accelerating. Chloride-based accelerators are not permitted.

4. Type D - Water Reducing and Retarding.

5. Type E - Water Reducing and Accelerating. Chloride-based accelerators are not permitted.

C. Fly Ash or Calcined Pozzolan: ASTM C618. Must be used in quantities not to exceed those specified in ACI C318.

D. Plasticizing: ASTM C1017.

E. Integral Waterproofing Admixtures: ASTM C494, Type S; complex catalyzed hydrous silicate, water and vapor proofing liquid admixture.

1. Basis of design product: Subject to compliance with requirements, provide Moxie

International, Moxie Shield 1800 Admixture, or equal.

2. Properties:

a. Water/Cement Ratio: Maximum 0.52.

b. Water Vapor Transmission: Less than 0.1 perms.

2.3 ACCESSORIES

A. Bonding Agent: Two component modified epoxy resin, Non-solvent two component polysulfide epoxy, Mineral filled polysulfide polymer epoxy, or Mineral filled polysulfide polymer epoxy resin.

B. Non-Shrink Grout: ASTM C1107; premixed compound consisting of non-metallic aggregate, cement, water reducing and plasticizing agents; capable of developing minimum compressive strength of 2,400 psi in 48 hours and 7,000 psi in 28 days.

2.4 JOINT DEVICES AND FILLER MATERIALS

A. Joint Filler Type A: ASTM D1751; Asphalt impregnated fiberboard or felt, ¼ inch or ½ inch thick; tongue and groove profile.

B. Expansion and Contraction Joint Devices: ASTM B221 alloy, extruded aluminum; resilient elastomeric filler strip with Shore A hardness of 35 to permit plus or minus 25 percent joint movement with full recovery.

C. Sealant: ASTM D6690, Type I.

2.5 WOOD FORM MATERIALS

A. Form Materials: At discretion of Contractor.

03 30 00 - 5 of 11

2.6 FORMWORK ACCESSORIES

A. Spreaders: Standard, non-corrosive metal form clamp assembly, of type acting as spreaders and leaving no metal within 1 inch of concrete face. Wire ties, wood spreaders or through bolts are not permitted.

2.7 REINFORCEMENT

A. Reinforcing Steel: ASTM A615, 60 ksi yield grade, plain or deformed billet bars, uncoated.

B. Plain Wire: ASTM A82; unfinished.

C. Welded Plain Wire Fabric: ASTM A185; in flat sheets or coiled rolls; unfinished.

2.8 REINFORCEMENT ACCESSORY MATERIALS

A. Tie Wire: Minimum 16 gage annealed type.

B. Chairs, Bolsters, Bar Supports, Spacers: Sized and shaped for strength and support of reinforcement during concrete placement conditions. Must be manufactured products used as recommended by manufacturer. Stones, rebar pieces or other materials are not acceptable replacements.

2.9 CONCRETE MIX

A. Select proportions for concrete in accordance with ACI 318 trial mixtures.

B. Provide concrete to the following criteria:

Material and Property Measurement

Compressive Strength (7 day) 2,500 psi

Compressive Strength (28 day) 4,000 psi

Cement Type ASTM C150

Aggregate Type Normal weight

Aggregate Size (maximum) 1/5 of narrowest dimension between forms, or 2/3 of minimum clear spacing between reinforcing bars or between reinforcing bars and forms, whichever is smaller.

Air Content 4.0 percent plus or minus 2.0 percent

C. Admixtures: Include admixture types and quantities indicated in concrete mix designs only when approved by Engineer.

03 30 00 - 6 of 11

1. Use accelerating admixtures in cold weather. Use of admixtures will not relax cold weather placement requirements.

2. Do not use calcium chloride nor admixtures containing calcium chloride.

3. Use set retarding admixtures during hot weather.

4. Add air entrainment admixture to concrete mix for work exposed to freezing and thawing.

D. Ready Mixed Concrete: Mix and deliver concrete in accordance with ASTM C94.

E. Site Mixed Concrete: Mix concrete in accordance with ACI 318.

2.10 CURING MATERIALS

A. Membrane Curing Compound Type A: ASTM C309, Type 1, Class A.

1. Manufacturers:

B. Non-Membrane Forming Curing Compound Type B: Liquid, penetrating siliconate based type;

combination curing, hardening and dustproofing compound.

C. Absorptive Mats Type C: ASTM C171, burlap-polyethylene, minimum 9 oz/sq yd bonded to prevent separation during handling and placing.

D. Waterproof Paper Type D: ASTM C171, curing paper treated to prevent separation during handling and placing.

E. Water: Potable, not detrimental to concrete.

PART 3 EXECUTION

3.1 EXAMINATION

A. Section 01 30 00 - Administrative Requirements: Coordination and project conditions.

B. Verify requirements for concrete cover over reinforcement.

C. Verify anchors, seats, plates, reinforcement and other items to be cast into concrete are accurately placed, positioned securely, and will not interfere with placing concrete.

3.2 PREPARATION

A. Prepare previously placed concrete by cleaning with steel brush and applying bonding agent.

Remove laitance, coatings, and unsound materials.

B. In locations where new concrete is doweled to existing work, drill holes in existing concrete, insert steel dowels and pack solid with non-shrink grout.

C. Remove debris and ice from formwork, reinforcement, and concrete substrates.

D. Remove water from areas receiving concrete before concrete is placed.

03 30 00 - 7 of 11

3.3 FORMWORK

A. Earth Forms:

1. Earth forms are not permitted, unless required to ensure native soil bearing on exposed concrete face.

B. Formwork - General:

1. Construct forms to correct shape and dimensions, mortar-tight, braced, and of sufficient strength to maintain shape and position under imposed loads from construction operations.

2. Camber forms where necessary to produce level finished soffits unless otherwise shown on

Drawings.

3. Carefully verify horizontal and vertical positions of forms. Correct misaligned or misplaced forms before placing concrete.

4. Complete wedging and bracing before placing concrete.

C. Install formed openings for items to be embedded in or passing through concrete work.

D. Locate and set in place items required to be cast directly into concrete.

E. Coordinate with Work of other sections in forming and placing openings, slots, recesses, sleeves, bolts, anchors, other inserts, and components of other Work.

F. Install accessories straight, level, and plumb. Ensure items are not disturbed during concrete placement.

G. Embedded Items:

1. Make provisions for pipes, sleeves, anchors, inserts, reglets, anchor slots, nailers, water stops, and other features.

2. Do not embed wood or uncoated aluminum in concrete.

3. Obtain installation and setting information for embedded items furnished under other

Specification sections.

4. Securely anchor embedded items in correct location and alignment prior to placing concrete.

5. Verify conduits and pipes, including those made of coated aluminum, meet requirements of

ACI 318 for size and location limitations.

H. Do not remove forms or bracing until concrete has gained sufficient strength to carry its own weight and imposed loads and removal has been approved by Engineer.

I. Loosen forms carefully. Do not wedge pry bars, hammers, or tools against finish concrete surfaces scheduled for exposure to view.

3.4 REINFORCEMENT PLACEMENT

A. Place, support and secure reinforcement against displacement. Do not deviate from required position beyond specified tolerance.

1. Do not weld crossing reinforcement bars for assembly.

B. Accommodate placement of formed openings.

03 30 00 - 8 of 11

C. Space reinforcement bars with minimum clear spacing of one bar diameter, but not less than 1 inch.

1. Where bars are indicated in multiple layers, place upper bars directly above lower bars.

D. Maintain concrete cover around reinforcement in accordance with ACI 318 as follows:

Reinforcement Location Minimum Concrete Cover

Footings and Concrete Formed Against Earth 3 inches

Concrete exposed to earth or weather

No. 6 bars and larger 2 inches

No. 5 bars and smaller 1-1/2 inches

E. Splice reinforcing in accordance with splicing device manufacturer’s instructions.

3.5 PLACING CONCRETE

A. Notify Engineer and testing laboratory minimum 48 hours prior to commencement of operations.

B. For concrete thrust blocks, use solid, undisturbed earth at the sides and bottom of the trench excavation for bearing concrete thrust blocking. Shape blocking to avoid obstruction of weep holes or access to joints and pipe fittings.

C. Ensure reinforcement, inserts, embedded parts, formed expansion and contraction joints are not disturbed during concrete placement.

D. Reinforcement bar supports and spacers shall be sized and shaped for strength and support of reinforcement during concrete placement. Must be manufactured products used as recommended by manufacturer. Stones, rebar pieces or other materials are not acceptable replacements.

E. Separate slabs on grade from vertical surfaces with ½ inch thick joint filler.

F. Place joint filler in floor slab pattern placement sequence. Set top to required elevations. Secure to resist movement by wet concrete.

G. Extend joint filler from bottom of slab to within ¼ inch of finished slab surface.

H. Install construction joint devices in coordination with floor slab pattern placement sequence. Set top to required elevations. Secure to resist movement by wet concrete.

I. Install joint device anchors. Maintain correct position to allow joint cover to be flush with floor finish.

J. Install joint covers in longest practical length, when adjacent construction activity is complete.

K. Deposit concrete at final position. Prevent segregation of mix.

03 30 00 - 9 of 11

L. Place concrete in continuous operation for each panel or section determined by predetermined joints.

M. Consolidate concrete.

N. Maintain records of concrete placement. Record date, location, quantity, air temperature, and test samples taken.

O. Place concrete continuously between predetermined expansion, control, and construction joints.

P. Do not interrupt successive placement; do not permit cold joints to occur.

Q. Screed floors and slabs on grade level, maintaining surface flatness of maximum ¼ inch in 10 ft.

3.6 CONCRETE FINISHING

A. Finish concrete floor surfaces to requirements of Section 03 35 00.

B. Steel trowel surfaces which are indicated to be exposed.

C. In areas with floor drains, maintain floor elevation at walls; pitch surfaces uniformly to drains at ¼ inch per foot nominal unless otherwise indicated on drawings.

3.7 CURING AND PROTECTION

A. Immediately after placement, protect concrete from premature drying, excessively hot or cold temperatures, and mechanical injury.

1. Protect concrete footings from freezing for minimum 5 days.

B. Maintain concrete with minimal moisture loss at relatively constant temperature for period necessary for hydration of cement and hardening of concrete.

C. Ponding: Maintain 100 percent coverage of water over floor slab areas continuously for 7 days.

D. Spraying: Spray water over floor slab areas and maintain wet for 7 days.

E. Absorptive Mat: Spread cotton fabric over floor slab areas. Spray with water until mats are saturated, and maintain in saturated condition for 7 days.

F. Absorptive Mat: Saturate burlap-polyethylene and place burlap-side down over floor slab areas, lapping ends and sides; maintain in place for 7 days.

G. Membrane Curing Compound: Apply curing compound in one coat.

H. Non-Membrane Forming Curing Compound: Apply curing compound in one coat. Scrub compound into surface. Maintain surface wet with curing compound, without ponding for time recommended by manufacturer.

I. For curing vertical concrete surfaces:

03 30 00 - 10 of 11

1. Spraying: Spray water over surfaces and maintain wet for 7 days.

2. Membrane Curing Compound: Apply compound in two coats with second coat applied at right angles to first.

3. Non-Membrane Forming Curing Compound: Apply curing compound in one coat. Scrub compound into surface. Maintain surface wet with curing compound, without ponding for time recommended by manufacturer.

3.8 FIELD QUALITY CONTROL

A. Sections 01 40 00 - Quality Requirements and 01 70 00 - Execution and Closeout Requirements:

Field inspecting, testing, adjusting, and balancing.

B. If total amount of concrete is less than 5 cubic yards, field and strength testing below may not be required, at the sole discretion of the Engineer.

C. Submit proposed mix design of each class of concrete to testing firm for review prior to commencement of Work.

D. Concrete Inspections:

1. Continuous Placement Inspection: Inspect for proper installation procedures.

2. Periodic Curing Inspection: Inspect for specified curing temperature and procedures.

E. Strength Test Samples:

1. Sampling Procedures: ASTM C172.

2. Cylinder Molding and Curing Procedures: ASTM C31, cylinder specimens, standard cured.

3. Sample concrete and make one set of three cylinders for every 150 cu yds or less of each class of concrete placed each day and for every 5,000 sf of surface area for slabs and walls.

4. When volume of concrete for any class of concrete would provide less than 5 sets of cylinders, take samples from five randomly selected batches, or from every batch when less than 5 batches are used.

5. Make one additional cylinder during cold weather concreting, and field cure.

F. Field Testing:

1. Slump Test Method: ASTM C143.

2. Air Content Test Method: ASTM C173.

3. Temperature Test Method: ASTM C1064.

4. Measure slump and temperature for each compressive strength concrete sample.

5. Measure air content in air entrained concrete for each compressive strength concrete sample.

G. Cylinder Compressive Strength Testing:

1. Test Method: ASTM C39.

2. Test Acceptance: In accordance with ACI 318.

3. Test one cylinder at 7 days.

4. Test one cylinder at 28 days.

5. Retain one cylinder for 56 days for testing when requested by Engineer.

6. Dispose remaining cylinders when testing is not required.

H. Maintain records of concrete placement. Record date, location, quantity, air temperature and test samples taken.

03 30 00 - 11 of 11

3.9 PATCHING

A. Allow Engineer to inspect concrete surfaces immediately upon removal of forms.

B. Excessive honeycomb or embedded debris in concrete is not acceptable. Notify Engineer upon discovery.

C. Patch imperfections in accordance with ACI 301.

3.10 DEFECTIVE CONCRETE

A. Defective Concrete: Concrete not conforming to required lines, details, dimensions, tolerances or specified requirements.

B. Repair or replacement of defective concrete will be determined by Engineer.

C. Do not patch, fill, touch-up, repair, or replace exposed concrete except upon express direction of Engineer for each individual area.

3.11 PROTECTION OF FINISHED WORK

A. Section 01 70 00 - Execution and Closeout Requirements: Protecting finished Work.

B. Do not permit traffic over unprotected floor surface.

California Area Indian Health Service Revised 7/27/2017

Steel Roof Decking 05 31 23 - 1 of 2

SECTION 05 31 23

STEEL ROOF DECKING

PART 1 GENERAL

1.1 SUMMARY

A. Section Includes:

1. Steel roof deck and accessories.

B. Related Sections:

1. Section 06 17 53 - Wood Trusses.

1.2 REFERENCES

A. American Society of Civil Engineers:

1. ASCE 3 - Standard Practice for the Construction and Inspection of Composite Slabs.

B. ASTM International:

1. ASTM A36 - Standard Specification for Carbon Structural Steel.

2. ASTM A653 - Standard Specification for Steel Sheet, Zinc-Coated (Galvanized) or Zinc-

Iron Alloy-Coated (Galvannealed) by the Hot-Dip Process.

C. American Welding Society:

1. AWS D1.1 - Structural Welding Code - Steel.

D. Steel Deck Institute:

1. SDI 29 - Design Manual for Composite Decks, Form Decks and Roof Decks.

E. SSPC: The Society for Protective Coatings:

1. SSPC Paint 15 - Steel Joist Shop Paint.

1.3 SUBMITTALS

A. Section 01 33 00 - Submittal Procedures: Submittal requirements.

B. Shop Drawings: Indicate replacement panels, pertinent details, trim and accessories.

C. Product Data: Submit deck profile characteristics and dimensions, structural properties and finishes,

1.4 QUALIFICATIONS

A. Installer: Company specializing in performing Work of this section with minimum 3 years’ experience.

California Area Indian Health Service Revised 7/27/2017

Steel Roof Decking 05 31 23 - 2 of 2

1.5 DELIVERY, STORAGE, AND HANDLING

A. Section 01 60 00 - Product Requirements: Product storage and handling requirements.

B. Store deck on dry wood sleepers; slope for positive drainage.

PART 2 PRODUCTS

2.1 MATERIALS

A. Manufacturers:

1. Metal Sales Manufacturing Corporation.

2. Model: Image II Integrated Standing Rib Metal Roofing System.

3. Substitutions Permitted: Section 01 60 00 - Product Requirements.

B. Sheet Steel: 16” Width with Minor Ribs 26 gauge

C. Color: Sierra Green

PART 3 EXECUTION

3.1 EXAMINATION

A. Section 01 30 00 - Administrative Requirements: Coordination and project conditions.

3.2 INSTALLATION

A. Replace all damaged panels and accessories according to manufacturer’s recommendations

California Area Indian Health Service Revised 8/21/2017

Facility Water Distribution 22 11 00 - 1 of 11

SECTION 22 11 00

FACILITY WATER DISTRIBUTION

PART 1 GENERAL

1.1 SUMMARY

A. Section Includes:

1. Valves.

2. Pipe hangers and supports.

3. Pressure gauges.

4. Pressure gauge taps.

5. Flow control valves.

6. Water pressure reducing valves.

7. Relief valves.

8. Strainers.

9. Hose bibs.

10. Backflow preventers.

11. Pressure booster systems.

B. Related Sections:

1. Section 03 30 00 - Cast-In-Place Concrete: Execution requirements for placement of concrete housekeeping pads specified by this section.

2. Section 09 90 00 - Painting and Coating: Product and execution requirements for painting specified by this section.

3. Section 22 05 03 - Plumbing Piping: Product and installation requirements for piping materials applying to various system types.

4. Section 22 05 53 - Identification for Plumbing Piping and Equipment: Product requirements for pipe identification and valve tags for placement by this section.

5. Section 26 05 03 - Equipment Wiring Connections: Execution requirements for electric connections to equipment specified by this section.

6. Section 31 23 17 - Trenching: Execution requirements for trenching required by this section.

7. Section 33 13 00 - Disinfecting of Water Utility Distribution: Product and execution requirements for disinfection of domestic water piping beyond 5 feet of building.

1.2 REFERENCES

A. American Society of Mechanical Engineers:

1. ASME B40.1 - Gauges - Pressure Indicating Dial Type - Elastic Element.

B. American Society of Sanitary Engineering:

1. ASSE 1011 - Performance Requirements for Hose Connection Vacuum Breakers.

2. ASSE 1013 - Performance Requirements for Reduced Pressure Principle Backflow

Preventers and Reduced Pressure Fire Protection Principle Backflow Preventers.

C. ASTM International:

1. ASTM F708 - Standard Practice for Design and Installation of Rigid Pipe Hangers.

22 11 00 - 2 of 11

D. American Water Works Association:

1. AWWA C701 - Cold-Water Meters - Turbine Type, for Customer Service.

2. AWWA C702 - Cold-Water Meters - Compound Type.

3. AWWA C706 - Direct-Reading, Remote-Registration Systems for Cold-Water Meters.

4. AWWA M6 - Water Meters - Selection, Installation, Testing, and Maintenance.

E. Manufacturers Standardization Society of the Valve and Fittings Industry:

1. MSS SP 67 - Butterfly Valves.

2. MSS SP 70 - Cast Iron Gate Valves, Flanged and Threaded Ends.

3. MSS SP 71 - Cast Iron Swing Check Valves, Flanged and Threaded Ends.

4. MSS SP 80 - Bronze Gate, Globe, Angle and Check Valves.

5. MSS SP 85 - Cast Iron Globe & Angle Valves, Flanged and Threaded.

6. MSS SP 110 - Ball Valves Threaded, Socket-Welding, Solder Joint, Grooved and Flared

Ends.

F. National Electrical Manufacturers Association:

1. NEMA 250 - Enclosures for Electrical Equipment (1000 Volts Maximum).

1.3 SUBMITTALS

A. Section 01 33 00 - Submittal Procedures: Submittal procedures.

B. Shop Drawings (pressure booster systems): Indicate layout, general assembly, components, and dimensions.

C. Product Data:

1. Piping: Submit data on pipe materials, fittings, and accessories. Submit manufacturer's catalog information.

2. Valves: Submit manufacturers catalog information with valve data and ratings for each service.

3. Hangers and Supports: Submit manufacturers catalog information including load capacity.

4. Domestic Water Specialties: Submit manufacturers catalog information, component sizes, rough-in requirements, service sizes, and finishes.

5. Pumps: Submit pump type, capacity, certified pump curves showing pump performance characteristics with pump and system operating point plotted. Include NPSH curve when applicable. Include electrical characteristics and connection requirements.

D. Manufacturer's Installation Instructions: Submit installation instructions for pumps, valves and accessories.

E. Manufacturer's Certificate: Certify products meet or exceed specified requirements.

1.4 CLOSEOUT SUBMITTALS

A. Section 01 70 00 - Execution and Closeout Requirements: Closeout procedures.

B. Project Record Documents: Record actual locations of valves and equipment.

22 11 00 - 3 of 11

C. Operation and Maintenance Data: Submit spare parts list, exploded assembly views and recommended maintenance intervals.

1.5 QUALITY ASSURANCE

A. For drinking water service, provide valves complying with NSF 61.

1.6 DELIVERY, STORAGE, AND HANDLING

A. Section 01 60 00 - Product Requirements: Product storage and handling requirements.

B. Accept valves and equipment on site in shipping containers with labeling in place. Inspect for damage.

C. Provide temporary protective coating on cast iron and steel valves.

D. Provide temporary end caps and closures on piping and fittings. Maintain in place until installation.

E. Protect piping systems from entry of foreign materials by temporary covers, completing sections of the Work, and isolating parts of completed system.

1.7 FIELD MEASUREMENTS

A. Verify field measurements prior to fabrication.

1.8 EXTRA MATERIALS

A. Section 01 70 00 - Execution and Closeout Requirements: Spare parts and maintenance products.

B. Furnish one packing kit for each size valve, two hose end vacuum breakers for hose bibs and two pump seals for each pump model.

PART 2 PRODUCTS

2.1 DOMESTIC WATER PIPING, BURIED WITHIN 5 FEET OF BUILDING

A. Refer to Section 22 05 03.

2.2 DOMESTIC WATER PIPING, ABOVE GRADE

A. Refer to Section 22 05 03.

2.3 UNIONS AND FLANGES

A. Refer to Section 22 05 03.

22 11 00 - 4 of 11

2.4 GATE VALVES

A. Manufacturers:

1. Milwaukee Valve Company Model Ultra-Pure Lead-Free Valves.

2. NIBCO, Inc. Model CWP Iron Body Gate Valves.

3. Clow Valve Resilient Wedge Valves.

4. Substitutions Permitted: Section 01 60 00 - Product Requirements.

B. 2 inches and Smaller: MSS SP 80, bronze body, bronze trim, threaded or union bonnet, rising stem, hand-wheel, inside screw, solid wedge disc, solder or threaded ends. Rated for 300 psi unless otherwise specified in Drawings.

C. 2-1/2 inches and Larger: MSS SP 70, ductile iron body, ductile iron or bronze trim, bolted bonnet, rising stem, hand-wheel, outside screw and yoke, solid wedge disc with seat rings, flanged ends.

Rated for 300 psi unless otherwise specified in Drawings.

2.5 GLOBE VALVES

A. Manufacturers:

1. Crane Valve, North America.

2. Milwaukee Valve Company Model Ultra-Pure Lead-Free Valves.

3. Substitutions: Section 01 60 00 - Product Requirements.

B. 2 inches and Smaller: MSS SP 80, bronze body, bronze trim, threaded or union bonnet, hand wheel, Buna-N composition disc, solder or threaded ends. Rated for 200 psi unless otherwise specified in Drawings.

C. 2-1/2 inches and Larger: MSS SP 85, cast iron body, bronze trim, hand wheel, outside screw and yoke, flanged ends. Rated for 300 psi unless otherwise specified in Drawings.

2.6 BALL VALVES

A. Manufacturers:

1. Crane Valve, North America Model 9201 or 9202.

2. Substitutions Permitted: Section 01 60 00 - Product Requirements.

B. 2 inches and Smaller: MSS SP 110, 400 psi WOG, two-piece bronze body, chrome plated brass ball, full port, Teflon seats, blow-out proof stem, solder or threaded ends, lever handle.

2.7 BUTTERFLY VALVES

A. Manufacturers:

1. Crane Valve, North America Model Resilient Seated Butterfly Valves.

2. Milwaukee Valve Company Model Ultra-Pure Lead-Free Valves.

3. NIBCO, Inc. Model Butterfly Valve

4. Substitutions Permitted: Section 01 60 00 - Product Requirements.

B. 2-1/2 inches and Larger: MSS SP 67, Class 200 unless otherwise shown in Drawings.

1. Body: Cast or ductile iron, lug or grooved ends, stainless steel stem, extended neck.

22 11 00 - 5 of 11

2. Disc: Aluminum bronze, Elastomer coated ductile iron or stainless steel.

3. Seat: Resilient replaceable EPDM.

4. Handle and Operator: 10 position lever handle.

2.8 CHECK VALVES

A. Horizontal Swing Check Valves:

1. Manufacturers:

a. Clow Valve Swing Check Valves

b. Substitutions Permitted: Section 01 60 00 - Product Requirements.

2. 2 inches and Larger: MSS SP 71, Class 200 unless otherwise indicated in Drawings, cast iron or bronze body, bolted cap, bronze or cast iron disc, flanged ends.

B. Spring Loaded Check Valves:

1. Manufacturers:

a. Milwaukee Valve Company Model Ultra-Pure Lead-Free Valves.

b. Watts LF 600.

c. Substitutions Permitted: Section 01 60 00 - Product Requirements.

2. 2 inches and Smaller: MSS SP 80, Class 250, bronze body, in-line spring lift check, silent closing, Buna-N disc, integral seat, solder or threaded ends.

2.9 PIPE HANGERS AND SUPPORTS

A. Manufacturers:

1. Cooper B-Line / TOLCO.

2. Substitutions Permitted: Section 01 60 00 - Product Requirements.

B. Hangers for Pipe Sizes 1/2 to 1-1/2 inch: Malleable iron, adjustable swivel, split ring.

C. Hangers for Pipe Sizes 2 inches and Larger: Carbon steel, adjustable, clevis.

D. Multiple or Trapeze Hangers: Steel channels with welded supports or spacers and hanger rods.

E. Wall Support for Pipe Sizes 3 inches and Smaller: Cast iron hooks.

F. Wall Support for Pipe Sizes 4 inches and Larger: Welded steel bracket and wrought steel clamps.

G. Vertical Support: Steel riser clamp.

H. Floor Support for Cold Pipe: Cast iron adjustable pipe saddle, lock nut, nipple, floor flange, and concrete pier or steel support.

I. Copper Pipe Support: Carbon steel ring, adjustable, copper plate.

2.10 PRESSURE GAUGES

A. Gauge: ASME B40.1, with bourdon tube, rotary brass movement, brass socket, front calibration adjustment, black scale on white background.

1. Case: Stainless steel.

22 11 00 - 6 of 11

2. Bourdon Tube: Type 316 stainless steel.

3. Dial Size: 2-1/2 inch diameter, unless otherwise specified in Drawings.

4. Mid-Scale Accuracy: One percent.

5. Scale: PSI. 0 - 150

6. Liquid Filled

2.11 PRESSURE GAUGE TAPS

A. Needle Valve: Stainless Steel, ¼ inch NPT for minimum 300 psi.

B. Ball Valve: Brass, ¼ inch NPT for 250 psi.

C. Pulsation Damper: Pressure snubber, brass with ¼ inch NPT connections.

2.12 FLOW CONTROL VALVES

A. Construction: Class 150, Stainless steel or bronze body with union on inlet, temperature and pressure test plug on inlet.

B. Calibration: Control flow within 15 percent of selected rating, over operating pressure range of 10 times minimum pressure required for control, maximum minimum pressure 5 psi.

2.13 WATER PRESSURE REDUCING VALVES

A. Manufacturers:

1. Watts Lead-Free Models (2 inches and smaller).

2. Cla-Val Model 90 Series (2-1/2 inches and larger).

3. Substitutions Permitted: Section 01 60 00 - Product Requirements.

B. 2 inches and Smaller: MSS SP 80, bronze body, stainless steel and thermoplastic internal parts, fabric reinforced diaphragm, strainer, threaded double union ends.

C. 2 inches and Larger: MSS SP 85, ductile iron body, bronze fitted, elastomeric diaphragm and seat disc, flanged.

2.14 RELIEF VALVES

A. Manufacturers:

1. Watts Lead-Free Models (2 inches and smaller).

2. APCO Model SRA (2-1/2 inches and larger).

3. Substitutions Permitted: Section 01 60 00 - Product Requirements.

B. Pressure Relief:

1. 2 inches and Smaller: bronze body, Teflon or silicone seat, steel stem and springs, automatic, direct pressure actuated.

2. 2-1/2 inches and Larger: ductile iron body, EPDM disc seat, steel stem and springs, automatic, direct pressure actuated.

22 11 00 - 7 of 11

2.15 STRAINERS

A. 2 inch and Smaller: Class 150, threaded bronze body 300 psi CWP, Y pattern with 1/32 inch stainless steel perforated screen.

B. 1-1/2 inch to 4 inch: Class 125, flanged iron body, Y pattern with 1/16-inch stainless steel perforated screen.

C. 5 inch and Larger: Class 125, flanged iron body, basket pattern with 1/8 inch stainless steel perforated screen.

2.16 HOSE BIBS

A. Interior: Bronze or brass with integral mounting flange, replaceable hexagonal disc, hose thread spout, chrome plated where exposed with hand wheel, vacuum breaker in conformance with

ASSE 1011.

B. Interior Mixing: Bronze or brass, wall mounted, double service faucet with hose thread spout, integral stops, chrome plated where exposed with hand wheels, and vacuum breaker in conformance with ASSE 1011.

2.17 BACKFLOW PREVENTERS

A. Reduced Pressure Backflow Preventers:

1. Comply with ASSE 1013.

2. Bronze body, with bronze internal parts and stainless steel springs.

3. Two independently operating, spring loaded check valves; diaphragm type differential pressure relief valve located between check valves; third check valve opening under back pressure in case of diaphragm failure; non-threaded vent outlet; assembled with two gate valves, strainer, and four test cocks.

B. Double Check Valve Assemblies: Comply with ASSE ASSE 1015 or AWWA C510; Bronze body with corrosion resistant internal parts and stainless steel springs; two independently operating check valves with intermediate atmospheric vent.

2.18 PRESSURE BOOSTER SYSTEMS

A. Pumps:

1. Single phase input power converted to 208-230V pump power; soft start; up to 5 Hp; end suction pumps, such as:

a. Grundfos Model CR 10-5

b. Xylem-Goulds Model 10SV-5

c. Or equal

2. Substitutions Permitted: Section 01 60 00 - Product Requirements.

B. System:

1. “Skid” type system, packaged complete with two pumps, factory assembled, tested, and adjusted; shipped to site as integral unit; consisting of pumps, valves, and galvanized or

22 11 00 - 8 of 11 stainless steel piping, with control panel assembled on fabricated steel base with structural steel framework, or on a separate fabricated steel base, or wall mounted.

a. Grundfos; Hydro MPC-EC Series

b. Towle Whitney; TW2018T or TW 2000S Series

c. Or equal

2. Substitutions Permitted: Section 01 60 00 - Product Requirements.

C. Controls and Instruments: Locate in NEMA 250 Type 3R enclosure with main disconnecting switch interlocked with door.

1. Furnish for each motor, fused circuit, magnetic starter with three overloads, control circuit transformer with fuse protection and selector switch for each pump.

2. Furnish inlet low limit pressure switch (max. 1 psi), low pressure alarm indicator, running indicator, current sensing devices, minimum run timers, manual alternation capacity, suction and discharge pressure gauges, and outlet pump on/off sensor for both analog (4-20mA) floats and pressure sensors up to maximum dynamic head. Install gauge vibration damper (pressure snubber) as necessary –McMaster-Car 3820K28 or approved equal.

D. System shall include the following features:

1. Dry Running Protection.

2. Lead Pump Alternation for each pumping cycle.

3. Changeover after 24 hours continuous run.

4. Soft Pressure Build-Up.

5. Pump Run Indicator Lights for each pump.

6. System Fault Indicator Light.

7. Individual Pump Fault Indicator Light for each pump.

8. Surge Arrestor.

9. Emergency Operation Switch for each pump located on exterior of door.

10. HOA Switches

11. Run Time Meter

12. Cycle Counter

E. Lead Pump: When lead pump fails to operate, start next pump in sequence automatically.

F. Time Delay Relay: Prevent lag pumps short cycling on fluctuating demands.

G. Thermal Bleed Circuit with Solenoid Valve: Prevent overheating during low demand.

H. Low Pressure Control: Stop pump operation when incoming water pressure approaches atmospheric.

I. Pump Switch: Permit manual or automatic operation.

J. Valves: Each pump outlet check valve to maintain constant system pressure. Furnish gate, ball or butterfly valves on suction and discharge of each pump.

K. Performance:

1. Flow: 55 gpm from each pump

2. Total Dynamic Head: 182 feet of head to the top of water storage tank

22 11 00 - 9 of 11

L. Electrical Characteristics and Components:

1. On-site Power: 230 volts, single phase

2. Disconnect Switch: Factory mount disconnect switch in control panel.

3. Pressure Switch: Pressure from nearby water Distribution System shall be used to automate tank level

a. Pressure to stop booster station when tank is full-estimated at 75 PSI (Dynamic)

b. Pressure to start booster station with a 3 PSI differential–estimated at 72 PSI (Static)

PART 3 EXECUTION

3.1 EXAMINATION

A. Section 01 30 00 - Administrative Requirements: Coordination and project conditions.

3.2 PREPARATION

A. Ream pipe and tube ends. Remove burrs. Bevel plain end ferrous pipe.

B. Remove scale and dirt, on inside and outside, before assembly.

3.3 INSTALLATION - GAUGE

A. Install one pressure gauge for each pump, locate taps on suction and discharge of pump; pipe to gauge.

B. Install gauge taps in piping.

C. Install pressure gauges with pulsation dampers. Provide needle valve or ball valve to isolate each gauge.

D. Provide instruments with scale ranges selected according to service with largest appropriate scale.

E. Install gauge in locations where they are easily read from normal operating level. Install vertical to 45 degrees off vertical.

F. Adjust gauges to final angle, clean windows and lenses, and calibrate to zero.

3.4 INSTALLATION - HANGERS AND SUPPORTS

A. Inserts:

1. Provide inserts for placement in concrete forms.

2. Provide inserts for suspending hangers from reinforced concrete slabs and sides of reinforced concrete beams.

3. Provide hooked rod to concrete reinforcement section for inserts carrying pipe 4 inches and larger.

4. Where concrete slabs form finished ceiling, locate inserts flush with slab surface.

5. Where inserts are omitted, drill through concrete slab from below and provide through-bolt with recessed square steel plate and nut above slab.

22 11 00 - 10 of 11

B. Pipe Hangers and Supports:

1. Install in accordance with ASTM F708.

2. Support horizontal piping as schedule.

3. Install hangers to provide minimum 1/2 inch space between finished covering and adjacent work.

4. Place hangers within 12 inches of each horizontal elbow.

5. Use hangers with 1-1/2 inch minimum vertical adjustment. Design hangers for pipe movement without disengagement of supported pipe.

6. Where piping is installed in parallel and at same elevation, provide multiple pipe or trapeze hangers.

7. Prime coat exposed steel hangers and supports. Refer to Section 09 90 00. Hangers and supports located in crawl spaces, pipe shafts, and suspended ceiling spaces are not considered exposed.

3.5 INSTALLATION - ABOVE GROUND PIPING

A. Install valves with stems upright or horizontal, not inverted.

B. Install brass male adapters each side of valves in copper piped system. Solder adapters to pipe.

C. Install gate, ball or butterfly valves for shut-off and to isolate equipment, part of systems, or vertical risers.

D. Install globe, ball or butterfly valves for throttling, bypass, or manual flow control services.

E. Provide lug end butterfly valves adjacent to equipment when functioning to isolate equipment.

F. Provide spring loaded check valves on discharge of water pumps.

G. Provide flow controls in water circulating systems as indicated on Drawings.

H. Install potable water protection devices on plumbing lines where contamination of domestic water may occur; on flush valves, interior and exterior hose bibs.

I. Pipe relief from valves, back-flow preventers and drains to nearest floor drain.

3.6 INSTALLATION - PUMPS

A. Provide pumps to operate at specified system fluid temperatures without vapor binding and cavitation, are non-overloading in parallel or individual operation, and operate within 25 percent of midpoint of published maximum efficiency curve.

B. Install long radius reducing elbows or reducers between pump and piping. Support piping adjacent to pump so no weight is carried on pump casings. For close coupled or base mounted pumps, install supports under elbows on pump suction and discharge line sizes 4 inches and over.

C. Install pumps on vibration isolators.

D. Install flexible connectors at or near pumps where piping configuration does not absorb vibration.

22 11 00 - 11 of 11

E. Provide line sized shut-off valve and pump suction fitting on pump suction, and line sized combination pump discharge valve on pump discharge.

F. Decrease from line size with long radius reducing elbows or reducers. Support piping adjacent to pump so no weight is carried on pump casings. Provide supports under elbows on pump suction and discharge line sizes 4 inches and larger.

G. Provide air cock and drain connection on horizontal pump casings.

H. Provide drains for bases and seals.

I. Check, align, and certify alignment of base mounted pumps prior to start-up.

J. Install base mounted pumps on concrete housekeeping base, with anchor bolts, set and level, and grout in place. Refer to Section 03 30 00.

K. Lubricate pumps before start-up.

3.7 CLEANING

A. Section 01 70 00 - Execution and Closeout Requirements: Requirements for cleaning.

B. Disinfect water distribution system in accordance with Section 33 13 00.

California Area Indian Health Service Revised 6/6/2017

Electrical Conductors and Cables 26 05 19 - 1 of 5

SECTION 26 05 19

ELECTRICAL CONDUCTORS AND CABLES

PART 1 GENERAL

1.1 SUMMARY

A. Section includes building wire and cable; direct burial cable; service entrance cable; armored cable; metal clad cable; and wiring connectors and connections.

B. Related Sections:

1. Section 26 05 03 - Equipment Wiring Connections.

2. Section 26 05 33 - Conduit and Boxes for Electrical Systems.

3. Section 26 05 53 - Identification for Electrical Systems: Product requirements for wire identification.

4. Section 31 23 17 - Trenching: Execution requirements for trenching required by this section.

5. Section 31 23 23 - Fill: Requirements for backfill to be placed by this section.

1.2 REFERENCES

A. International Electrical Testing Association:

1. NETA ATS - Acceptance Testing Specifications for Electrical Power Distribution

Equipment and Systems.

B. National Fire Protection Association:

1. NFPA 70 - National Electrical Code.

2. NFPA 262 - Standard Method of Test for Flame Travel and Smoke of Wires and Cables for

Use in Air-Handling Spaces.

C. Underwriters Laboratories, Inc.:

1. UL 1277 - Standard for Safety for Electrical Power and Control Tray Cables with Optional

Optical-Fiber Members.

1.3 SYSTEM DESCRIPTION

A. Product Requirements: Provide products as follows:

1. Stranded conductor for feeders and branch circuits 10 AWG and smaller.

2. Stranded conductors for control circuits.

3. Conductor not smaller than 12 AWG for power and lighting circuits.

4. Conductor not smaller than 16 AWG for control circuits.

5. Increase wire size in branch circuits to limit voltage drop to a maximum of 5 percent.

B. Wiring Methods: Provide the following wiring methods:

1. Wet or Damp Interior Locations: Use only building wire, Type THHN/THWN or Type

XHHW-2 insulation, in raceway.

2. Exterior Locations: Use only building wire, Type XHHW-2 insulation, in raceway.

3. Underground Locations: Use only building wire, Type XHHW-2 insulation, in raceway.

26 05 19 - 2 of 5

1.4 DESIGN REQUIREMENTS

A. Conductor sizes are based on copper unless indicated as aluminum or "AL".

B. When aluminum conductor is substituted for copper conductor, size to match circuit requirements, terminations, conductor ampacity and voltage drop.

1.5 SUBMITTALS

A. Section 01 33 00 - Submittal Procedures: Requirements for submittals.

B. Product Data: Submit for building wire and all buried or submersible cable.

C. Design Data: Indicate voltage drop and ampacity calculations for aluminum conductors substituted for copper conductors.

D. Test Reports: Indicate procedures and values obtained.

1.6 CLOSEOUT SUBMITTALS

A. Section 01 70 00 - Execution and Closeout Requirements: Requirements for submittals.

B. Project Record Documents: Record actual locations of components and circuits.

1.7 QUALITY ASSURANCE

A. Perform Work in accordance with NFPA 70.

1.8 QUALIFICATIONS

A. Manufacturer: Company specializing in manufacturing products specified in this section with minimum three years’ experience.

1.9 FIELD MEASUREMENTS

A. Verify field measurements are as indicated on Drawings.

1.10 COORDINATION

A. Section 01 30 00 - Administrative Requirements: Requirements for coordination.

B. Where wire and cable destination is indicated and routing is not shown, determine routing and lengths required.

PART 2 PRODUCTS

2.1 BUILDING WIRE

A. Product Description: Single conductor insulated wire.

26 05 19 - 3 of 5

B. Conductor: Copper.

C. Insulation Voltage Rating: 600 volts.

D. Insulation Temperature Rating: 90 degrees C.

2.2 SERVICE ENTRANCE CABLE

A. Conductor: Copper.

B. Insulation Voltage Rating: 600 volts.

C. Insulation: Type USE-2, XHHW-2, or RHW-2.

2.3 TERMINATIONS

A. Terminal Lugs for Wires 6 AWG and Smaller: Solderless, compression type copper.

B. Lugs for Wires 4 AWG and Larger: Color keyed, compression type copper, with insulating sealing collars.

PART 3 EXECUTION

3.1 EXAMINATION

A. Section 01 30 00 - Administrative Requirements: Coordination and project conditions.

B. Verify interior of building has been protected from weather.

C. Verify mechanical work likely to damage wire and cable has been completed.

D. Verify raceway installation is complete and supported.

3.2 EXISTING WORK

A. Ensure all wire is de-energized prior to work.

B. Remove exposed abandoned wire and cable. Patch surfaces where removed cables pass through building finishes.

C. Disconnect abandoned circuits and remove circuit wire and cable. Remove abandoned boxes when wire and cable servicing boxes is abandoned and removed. Install blank cover for abandoned boxes not removed.

D. Provide access to existing wiring connections remaining active and requiring access. Modify installation or install access panel.

E. Extend existing circuits using materials and methods compatible with existing electrical installations, or as specified.

26 05 19 - 4 of 5

F. Clean and repair existing wire and cable remaining or wire and cable to be reinstalled.

3.3 INSTALLATION

A. Route wire and cable to meet Project conditions.

B. Neatly train and lace wiring inside boxes, equipment, and panelboards.

C. Special Techniques--Building Wire in Raceway:

1. Pull conductors into raceway at same time.

2. Install building wire 4 AWG and larger with pulling equipment.

D. Special Techniques - Cable:

1. Protect exposed cable from damage.

2. Support cables above accessible ceiling, using spring metal clips or metal cable ties to support cables from structure. Do not rest cable on ceiling panels.

3. Use suitable cable fittings and connectors.

E. Special Techniques - Wiring Connections:

1. Clean conductor surfaces before installing lugs and connectors.

2. Make splices, taps, and terminations to carry full ampacity of conductors with no perceptible temperature rise.

3. Make all splices, taps, terminations and connections in accessible junction boxes or accessible equipment. No connections are to made, then covered up or pulled into raceways.

4. Tape uninsulated conductors and connectors with electrical tape to 150 percent of insulation rating of conductor.

5. Install split bolt connectors for copper conductor splices and taps, 6 AWG and larger.

6. Install solderless pressure connectors with insulating covers for copper conductor splices and taps, 8 AWG and smaller.

7. Install insulated spring wire connectors with plastic caps for copper conductor splices and taps, 10 AWG and smaller.

F. Install stranded conductors for branch circuits 10 AWG and smaller.