SOW SupplementalInstruc.pdf

Nez Perce Clearwater National Forest Fenn Heat Pumps

Solicitation # 12034320Q0089

01010 - 1

SUMMARY OF WORK

SECTION 01010

SUMMARY OF WORK

PART 1 - GENERAL

3.1 SUMMARY

Work for this project consists of providing labor and materials to remove existing oil furnace and fuel tank, and replace with an electric forced air heat pump in the Main Office bldg. 2001, on the Nez Perce Clearwater National Forest, Moose Creek Ranger District in Kooskia, ID.

Typical project work will include at a minimum the removal of the existing oil fired furnace and heating oil tank. Removal and disposal of blowers, heat pumps, and other equipment. Cleaning the ducting. The installation of new heat pump, condensing unit, and blower with high efficiency rating SEER 18 for 3 ton units and SEER 16 for 5 ton units, and HSPF 8 minimum, 12 EER, with required venting and condensate drain.

Contractor will replace existing thermostats with new programmable thermostats.

Additional electrical subpanels may be necessary. New return air duct and outdoor pad will be needed.

Heat pumps will have heating and cooling capacity that will accommodate 78 degrees Fahrenheit during winter temperatures and cooling to 68 degrees Fahrenheit during summer temperatures.

No re-engineering or analysis of existing buildings or heating systems is planned or included, however ducting is to be rebalanced for the new units. Asbestos duct wrap and pipe wrap may be encountered in the building as well as other structural/electrical items that are not up to current code. Any alterations to electrical service should be included in the cost of the bid. The installation will be unique to this building’s constraints and existing system configuration. Limited ground disturbing activities will be allowed with 72 hour notice; contractor will be responsible for locating all utilities if ground disturbing activities do occur.

3.2 GENERAL SITE CONDITIONS AND WEATHER

A. All work is located on well developed administrative sites. Existing utilities shall be located before installation of any exterior items.

B. Work will need to be coordinated to allow occupancy or minimal lapse in heating/cooling service or if required only done when heat/cooling in occupied buildings is not required.

3.3 USE OF PREMISES

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A. General: Contractor shall have limited use of premises for construction operations.

Activities shall be limited to basement areas or the immediate area of the furnace installation. Very limited disruptions to service in the Main office facility will be allowed Monday-Friday 7:00am-5:30pm because it is occupied.

B. Contractor shall at all times conduct his operations to ensure the least inconvenience to the public and employees.

C. Confine storage of materials to areas as approved by the CO.

D. Contractor shall provide adequate signing and barricades and take necessary safety measures to protect the public during all construction operations. Contractor shall minimize disturbance of all undisturbed areas.

E. Preservation of Natural Features and Landscaped Areas: Confine all operations to work limits of the project. Prevent damage to natural surroundings, lawns or landscaped areas. Restore damaged areas, repairing or replacing damaged trees and plants, at no additional expense to the Government.

1. Do not remove, injure, or destroy trees or other plants without prior approval.

Consult with CO if trees or landscaping interfere with construction.

2. Do not fasten ropes, cables, or guys to existing trees.

3. Carefully supervise excavating, grading, filling, and other construction operations near trees to prevent damage.

F. Existing Utilities: Notify CO and utility companies of proposed locations and times for excavation.

1. Contractor shall be responsible for locating and preventing damage to known utilities, if damage occurs, repair utility at no additional expense to the Government.

2. Interruption of Existing Utility Service: Notify CO, 48 hours in advance of any interruption of existing utilities.

3.4 CONSTRUCTION SEQUENCE

A. There is no specified construction sequence or season for this project.

3.5 FIELD VERIFICATION

A. Field verify all provided dimensions and information affecting the work of this contract before bidding or ordering products.

3.6 PERMITS

01010 - 3

A. Any permits required by County, State, or Federal laws or regulations shall be obtained by the Contractor.

3.7 WARRANTY

A. System design and Workmanship shall be warranted for a minimum of one year.

B. Tag each piece of new equipment with information about one year warrenty as well as manufacturers warrenty information. Include contact information for local warrenty coverage.

PART 2 - PRODUCTS (NOT USED)

PART 3 - EXECUTION (NOT USED)

END OF SECTION 01100

01732 - 4

SELECTIVE DEMOLITION

SECTION 01732

SELECTIVE DEMOLITION

PART 1 - GENERAL

3.8 SUMMARY

A. This Section includes demolition and removal of the following:

1. Heat Pump

2. Oil Furnace

3. Oil Fuel Tank

4. Other equipment.

3.9 DEFINITIONS

A. Remove: Detach items from existing construction and legally dispose of them off-site, unless indicated to be removed and salvaged or removed and reinstalled.

B. Existing to Remain: Existing items of construction that are not to be removed and that are not otherwise indicated to be removed, removed and salvaged, or removed and reinstalled.

3.10 MATERIALS OWNERSHIP

A. Except for items or materials indicated to be reused, salvaged, reinstalled, or otherwise indicated to remain Government property, demolished materials shall become Contractor's property and shall be removed from project site.

3.11 QUALITY ASSURANCE

A. Regulatory Requirements: Comply with hauling and disposal regulations of authorities having jurisdiction.

3.12 PROJECT CONDITIONS

A. Government will occupy major portions of buildings that will be immediately adjacent to selective demolition area. Conduct selective demolition so Government operations will not be disrupted. Provide not less than 72 hours' notice to CO of activities that will affect Government operations.

B. Maintain access to existing walkways, corridors, and other adjacent occupied or used facilities.

1. Do not close or obstruct walkways, corridors, or other occupied or used facilities without written permission from COR.

C. Hazardous Materials: In some buildings small areas of flooring materials containing non friable asbestos are known to exist. It is anticipated that these buildings have asbestose

01732 - 5 materials. Asbestos duct wrap and pipe wrap may be encountered in the building as well as other structural/electrical items that are not up to current code.

1. If materials suspected of containing hazardous materials are encountered, do not disturb; immediately notify Contracting Officer (CO).

D. Storage or sale of removed items or materials on-site will not be permitted.

E. Utility Service: Maintain existing utilities indicated to remain in service and protect them against damage during selective demolition operations.

3.13 WARRANTY

A. Existing Warranties: Remove, replace, patch, and repair materials and surfaces cut or damaged during selective demolition, by methods and with materials so as not to void existing warranties.

B. System plan and Workmanship shall be warranteed for a minimum of one year.

PART 2 – PRODUCTS

4.1 REPAIR MATERIALS

A. Use repair materials identical to existing materials.

1. If identical materials are unavailable or cannot be used for exposed surfaces, use materials that visually match existing adjacent surfaces to the fullest extent possible.

2. Use materials whose installed performance equal or surpasses that of existing materials.

PART 3 – EXECUTION

5.1 EXAMINATION

A. When unanticipated mechanical, electrical, or structural elements that conflict with intended function or design are encountered, investigate and measure the nature and extent of conflict.

Promptly submit a written report to CO.

5.2 UTILITY SERVICES

A. Existing Utilities: Maintain services indicated to remain and protect them against damage during selective demolition operations.

B. Do not interrupt existing utilities serving occupied or operating facilities unless authorized in writing by CO and authorities having jurisdiction. Provide temporary services during interruptions to existing utilities, as acceptable to CO.

01732 - 6

1. Provide at least 72 hours notice to CO if shutdown of service is required during changeover.

5.3 PREPARATION

A. Temporary Enclosures: Provide temporary enclosures for protection of existing building and construction, in progress and completed, from exposure, foul weather, other construction operations, and similar activities. Provide temporary weathertight enclosure for building exterior.

B. Temporary Partitions: Erect and maintain dustproof partitions and temporary enclosures if required to limit dust and dirt migration and to separate areas from fumes and noise.

5.4 POLLUTION CONTROLS

A. Dust Control: Use temporary enclosures, and other suitable methods to limit spread of dust and dirt.

1. Wet mop floors to eliminate trackable dirt and wipe down walls and doors within demolition enclosure. Vacuum carpeted areas.

5.5 DISPOSAL OF DEMOLISHED MATERIALS

A. General: Promptly dispose of demolished materials. Do not allow demolished materials to accumulate on-site.

B. Disposal: Transport demolished materials off Government property and legally disposes of them.

END OF SECTION 01732

01782 - 7

OPERATION AND MAINTENANCE DATA

SECTION 01782

OPERATION AND MAINTENANCE DATA

PART 1 - GENERAL

6.1 SUMMARY

A. This Section includes administrative and procedural requirements for preparing operation and maintenance manuals, including the following:

1. Operation manuals for systems, subsystems, and equipment.

2. Maintenance manuals for the care and maintenance of products and equipment.

B. Related Sections include the following:

1. Division 2 through 16 sections for specific operation and maintenance manual requirements for products in those sections.

6.2 SUBMITTALS

A. Manual: Submit one copy of compiled O&M materials in final form at least 15 days before final inspection. Contracting Officer (CO) will return copy with comments within 15 days after final inspection.

1. Correct or modify the manual to comply with CO’s comments. Submit 3 copies of the corrected manual within 15 days of receipt of CO’s comments.

PART 2 – PRODUCTS

7.1 MANUALS, GENERAL

A. Organization: Unless otherwise indicated, organize the manual into a separate section for each installation with separate subsections if required for each piece of equipment.

Product and operation information shall be provided for each site even if the equipment or information is repetitive and wholly or partially included for another installation. Each manual shall contain a title page, table of contents, and list of manual contents.

B. Title Page: Include the following information:

1. Subject matter included in manual.

2. Name and locations of installations.

3. Date of submittal.

4. Name, address, and telephone number of Contractor.

5. Cross-reference to related systems in other operation and maintenance manuals.

01782 - 8

C. Table of Contents: List each product included in manual, identified by product name, indexed to content of volume, and cross-referenced to Specification Section number in Project Manual.

D. Manual Contents: Organize into sets of manageable size. Assemble instructions for equipment, and components of each system under separate tabbed sections with subsections.

1. Binders: Heavy-duty, 3-ring, vinyl-covered, loose-leaf binders sized to hold 8- 1/2-by-11-inch paper; with clear plastic sleeve on spine to hold label describing contents and with pockets inside covers to hold folded oversize sheets.

a. Identify binder on front and spine, with printed title "OPERATION AND

MAINTENANCE MANUAL," Project title or name, and subject matter of contents.

b. Dividers: Heavy-paper dividers with plastic-covered tabs for each section.

Mark each tab to indicate contents.

2. Drawings: Attach reinforced, punched binder tabs on drawings and bind with text.

a. If oversize drawings are necessary, fold drawings to same size as text pages and use as foldouts.

7.2 OPERATION MANUALS

A. Content: Include manufacturer’s user manuals for all equipment. In addition include operational information on the specific installation including all pertinent information such as valve locations, electrical disconnect or relevant electrical features, filter sizes and locations, venting cautions or concerns, drain locations, overall operating procedures, recommend operating logs, wiring and control diagrams.

B. Descriptions: Include the following:

1. Product name and model number.

2. Manufacturer's name.

3. Equipment identification with serial number of each component.

4. Operating characteristics.

5. Limiting conditions.

6. Complete nomenclature and number of replacement parts.

C. Operating Procedures: Include startup, break-in, and control procedures; stopping and normal shutdown instructions; routine, normal, seasonal, and weekend operating instructions; and required sequences for electric or electronic systems. Thermostat control and setting procedures need to be outlined one a separate sheet.

PART 3 – EXECUTION

01782 - 9

8.1 MANUAL PREPARATION

A. Manufacturers' Data: Where manuals contain manufacturers' standard printed data, include only sheets pertinent to product or component installed. Do not include general installation manuals individual O&M sections. Where multiple models are shown on literature sheets, mark each sheet to identify each product or component incorporated into the work. If data include more than one item in tabular format, identify each item using appropriate references. Identify data applicable to the Work and delete references to information not applicable.

END OF SECTION 01782

03500 - 10

MINOR CONCRETE

SECTION 03500

PART 1 - GENERAL

1.1 DESCRIPTION

A. This section specifies furnishing and installing minor concrete structures and reinforcement. This section specifies concrete to be used for construction of small slabs.

PART 2 - PRODUCTS

2.1 PREPACKAGED CONCRETE MIX

B. Material shall be identified as conforming to ASTM C387, Normal Strength Concrete; Normal Weight Concrete.

2.2 STEEL REINFORCING

A. #4 reinforcing bars on 24-inch centers each way. ASTM A615-75, grade 40, unless other grades are shown on the drawings.

B. All reinforcement shall be new, free from dirt, oil, paint, grease, loose mill scale, and loose or thick rust when placed.

C. Store on supports to prevent bending, rusting, and accumulation of dirt or soil.

Bundle reinforcement with grades and suitable identification marks for checking, sorting, and placing. Tags and marks shall be waterproof.

2.3 WELDED WIRE MESH

C. Welded plain cold-drawn steel wire fabric, ASTM A 185. Furnish in flat sheets, not rolls, unless otherwise acceptable to COR.

PART 3 – EXECUTION

3.1 REINFORCEMENT PLACING

A. Accurately place and adequately support reinforcement with concrete, metal or other chairs, spacers, or ties approved by the Contracting Officer (CO), and secure against displacement within the permitted tolerances, and with no reinforcment within 2” of any edge or form.

3.2 HOT/COLD WEATHER CONCRETE

A. The temperature of the concrete shall not exceed 80o, at time of placement, and when the ambient temperature reaches 90oF, the concrete shall be protected with

03500 - 11 moist covering or other methods approved by the CO. Water, aggregate, and cement shall be protected or cooled as necessary.

B. The temperature of the concrete shall no fall below 35degree Fahrenheit. Heat or protect concrete, if necessary, to maintain a temperature of more than 35degree Fahrenheit for at least 24 hours after placing.

3.4 MIXING OF CONCRETE

A. Thoroughly mix ingredients.

B. Use mechanical mixer if total quantity to be placed is over 8 cubic feet.

3.5 PLACING

A. CO must inspect forms before any concrete is placed. Notify CO at least 24 hours before any placement to permit inspectionForms shall be free of debris, and surface shall be clean, free of frost, ice mud, and water.

B. Thoroughly work the external surface of the concrete with tools approved by the CO to force coarse aggregate from the surface and to bring mortar against the forms to produce a smooth finish, substaintially free from water or air pocket or honeycomb. Avoid segregation.

C. Consolidate the concrete with suitable mechanical vibrators.

D. Supplement vibrating by hand spading with suitable tools.

E. Vibrate at any point sufficiently to accomplish compaction, but do not prolong to a point where segregation occurs.

3.6 FINISHING

A. Slabs - Strike flush to within 1/8-inch variation in 10 feet. Lightly broom exterior slabs.

3.7 CURING AND HARDENING

A. Keep all concrete surfaces wet for seven (2) days after being placed. Acceptable methods include ponding, wet burlap, wet straw or hay, curing paper, plastic sheets, and membrane curing compound. Other methods must be approved by the

CO.

B. Wood forms are allowed to remain in place during the curing period, they shall be kept moist at all times to prevent opening at joints.

C. After form removal, clean ends of joints and point-up any minor honeycombed areas.

D. Remove and replace areas or sections with major defects.

03500 - 12

E. Protect concrete from damage until acceptance of work.

END OF SECTION 03500

03500-2

06105 - 13

MISCELLANOUS CARPENTRY

SECTION 06105

PART 1 - GENERAL

9.1 SUMMARY

A. This Section includes the following:

1. Wood framing.

2. Miscellaneous lumber.

3. Interior wood trim.

4. Panel products.

9.2 SUBMITTALS

A. Product Data: For each type of process and factory-fabricated product indicated.

1. Doors, window units or millwork items if required for repairs or restoration.

PART 2 - PRODUCTS

10.1 WOOD PRODUCTS, GENERAL

A. Lumber: DOC PS 20 and applicable rules of lumber grading agencies certified by the American Lumber Standards Committee Board of Review.

1. Factory mark each piece of lumber with grade stamp of grading agency.

2. For exposed lumber indicated to receive stained or natural finish, mark grade stamp on end or back of each piece.

3. Provide dressed lumber, S4S, unless otherwise indicated.

4. Provide dry lumber with 19 percent maximum moisture content at time of dressing for 2-inch nominal thickness or less, unless otherwise indicated.

B. Wood Structural Panels:

1. Plywood: DOC PS 1 or DOC PS 2, unless otherwise indicated.

10.2 DIMENSION LUMBER

A. General: Of grades indicated according to the American Lumber Standards Committee National Grading Rule provisions of the grading agency indicated.

06105 - 14

B. Non-Load-Bearing Interior Partitions: Construction, or No. 2 grade and any of the following species:

1. Northern species; NLGA.

2. Western woods; WCLIB or WWPA.

C. Other Framing: Construction or No. 2 and any of the following species:

1. Douglas fir-larch, Douglas fir-larch (north), or Douglas fir-south; NLGA, WCLIB, or WWPA.

2. Hem-fir or Hem-fir (north); NLGA, WCLIB, or WWPA.

D. For exposed boards, provide lumber, with 19 percent maximum moisture content, of eastern white pine, Idaho white, lodgepole, ponderosa, or sugar pine; D Select (Quality) grade; NELMA, NLGA, WCLIB, or WWPA.

10.3 INTERIOR WOOD TRIM

A. Lumber Trim for Opaque Finish (Painted): Finished lumber (S4S), either finger-jointed or solid lumber, of the following species and grades:

1. Grade D Select (Quality), 1 Common. Idaho white, lodgepole, ponderosa, or sugar pine; NLGA or WWPA.

10.4 PANEL PRODUCTS

A. Miscellaneous Concealed Plywood: Exterior, Exposure 1 sheathing, span rating to suit framing in each location, and thickness as indicated but not less than 1/2 inch (13 mm).

B. Miscellaneous Exposed Plywood: DOC PS 1, A-D Interior, thickness as indicated but not less than 1/2 inch (13 mm).

10.5 FASTENERS

A. General: Where carpentry is exposed to weather, in ground contact, or in area of high relative humidity, provide fasteners with hot-dip zinc coating complying with

ASTM A 153/A 153M.

PART 3 - EXECUTION

11.1 INSTALLATION

06105 - 15

A. Set carpentry to required levels and lines, with members plumb, true to line, cut, and fitted. Fit carpentry to other construction; scribe and cope as needed for accurate fit. Locate furring, nailers, blocking, and similar supports to comply with requirements for attaching other construction.

B. Securely attach carpentry work according to applicable codes and recognized standards.

C. Countersink fastener heads on exposed carpentry work and fill holes with wood filler.

D. Wood Trim Installation: Install with minimum number of joints practical, using full-length pieces from maximum lengths of lumber available. Cope at returns and miter at corners to produce tight-fitting joints. Use scarf joints for end-to-end joints.

1. Match color and grain pattern across joints.

2. Install trim after gypsum board joint-finishing operations are completed.

3. Install to tolerance of 1/8 inch in 96 inches (3 mm in 2438 mm) for level and plumb. Install adjoining finishes carpentry with 1/32-inch (0.8-mm) maximum offset for flush installation and 1/16-inch (1.6-mm) maximum offset for reveal installation.

END OF SECTION 06105

15535 - 16

HEAT PUMPS

SECTION 15050

BASIC MECHANICAL MATERIALS AND METHODS

GENERAL

1.1 SUMMARY

A. This Section includes the following:

1. Piping materials and installation instructions common to most piping systems.

2. Dielectric fittings.

3. Mechanical sleeve seals.

4. Sleeves.

5. Mechanical demolition.

6. Equipment installation requirements common to equipment sections.

7. Supports and anchorages.

PART 2 - PRODUCTS

2.1 PIPE, TUBE, AND FITTINGS

A. Refer to individual Division 15 piping Sections for pipe, tube, and fitting materials and joining methods.

B. Solvent Cements for Joining Plastic Piping:

1. ABS Piping: ASTM D 2235.

2. CPVC Piping: ASTM F 493.

3. PVC Piping: ASTM D 2564. Include primer according to ASTM F 656.

4. PVC to ABS Piping Transition: ASTM D 3138.

2.2 DIELECTRIC FITTINGS

A. Description: Combination fitting of copper alloy and ferrous materials with threaded, solder-joint, plain, or weld-neck end connections that match piping system materials.

B. Insulating Material: Suitable for system fluid, pressure, and temperature.

C. Dielectric Unions: Factory-fabricated, union assembly, for 250-psig (1725-kPa) minimum working pressure at 180 deg F (82 deg C).

15535 - 17

D. Dielectric Couplings: Galvanized-steel coupling with inert and noncorrosive, thermoplastic lining; threaded ends; and 300-psig (2070-kPa) minimum working pressure at 225 deg F (107 deg C).

2.3 MECHANICAL SLEEVE SEALS

A. Description: Modular sealing element unit, designed for field assembly, to fill annular space between pipe and sleeve.

B. Sealing Elements: [EPDM] [NBR] interlocking links shaped to fit surface of pipe.

Include type and number required for pipe material and size of pipe.

2.4 SLEEVES

A. Galvanized-Steel Sheet: 0.0239-inch (0.6-mm) minimum thickness; round tube closed with welded longitudinal joint.

B. Steel Pipe: ASTM A 53, Type E, Grade B, Schedule 40, galvanized, plain ends.

C. PVC Pipe: ASTM D 1785, Schedule 40.

2.5 ESCUTCHEONS

A. Description: Manufactured wall and ceiling escutcheons and floor plates, with an ID to closely fit around pipe, tube, and insulation of insulated piping and an OD that completely covers opening.

2.6 GROUT

A. Description: ASTM C 1107, Grade B, nonshrink and nonmetallic, dry hydraulic-cement grout.

1. Characteristics: Post-hardening, volume-adjusting, nonstaining, noncorrosive, nongaseous, and recommended for interior and exterior applications.

2. Design Mix: 5000-psi (34.5-MPa), 28-day compressive strength.

3. Packaging: Premixed and factory packaged.

PART 3 -EXECUTION

3.1 MECHANICAL DEMOLITION

A. Refer to Division 1 Sections “ Demolition" for general demolition requirements and procedures.

15535 - 18

B. Disconnect, demolish, and remove mechanical systems, equipment, and components indicated to be removed.

1. Piping to be removed: Remove portion of piping indicated to be removed and cap or plug remaining piping with same or compatible piping material.

2. Piping to be abandoned in place: Drain piping and cap or plug piping with same or compatible piping material.

3. Equipment to be removed: Disconnect and cap services and remove equipment.

C. If pipe, insulation, or equipment to remain is damaged in appearance or is unserviceable, remove damaged or unserviceable portions and replace with new products of equal capacity and quality.

3.2 PIPING SYSTEMS - COMMON REQUIREMENTS

A. Install piping according to the following requirements and Division 15 Sections specifying piping systems.

B. The general location and arrangement of piping systems will be determined by field conditions and the required necessary connections to existing utilities or building systems. Install piping as recommended in equipment manufactures specifications unless deviations are approved by the COR.

C. Install piping in concealed locations, unless otherwise indicated and except in equipment rooms and service areas.

D. Install piping indicated to be exposed and piping in equipment rooms and service areas at right angles or parallel to building walls. Diagonal runs are prohibited unless specifically indicated otherwise.

E. Install piping to permit valve servicing.

F. Install piping at indicated slopes.

G. Install piping free of sags and bends.

H. Install escutcheons for penetrations of walls, ceilings, and floors.

I. Verify final equipment locations for roughing-in.

3.3 PIPING JOINT CONSTRUCTION

A. Join pipe and fittings according to the following requirements and Division 15 Sections specifying piping systems.

15535 - 19

B. Ream ends of pipes and tubes and remove burrs. Bevel plain ends of steel pipe.

C. Remove scale, slag, dirt, and debris from inside and outside of pipe and fittings before assembly.

D. Soldered Joints: Apply ASTM B 813, water-flushable flux, unless otherwise indicated, to tube end. Construct joints according to ASTM B 828 or CDA's "Copper Tube Handbook," using lead-free solder alloy complying with ASTM B 32.

E. Threaded Joints: Thread pipe with tapered pipe threads according to ASME B1.20.1. Cut threads full and clean using sharp dies. Ream threaded pipe ends to remove burrs and restore full ID. Join pipe fittings and valves as follows:

1. Apply appropriate tape or thread compound to external pipe threads unless dry seal threading is specified.

2. Damaged Threads: Do not use pipe or pipe fittings with threads that are corroded or damaged. Do not use pipe sections that have cracked or open welds.

F. Plastic Piping Solvent-Cement Joints: Clean and dry joining surfaces. Join pipe and fittings according to the following:

1. Comply with ASTM F 402, for safe-handling practice of cleaners, primers, and solvent cements.

2. ABS Piping: Join according to ASTM D 2235 and ASTM D 2661 Appendixes.

3. CPVC Piping: Join according to ASTM D 2846/D 2846M Appendix.

4. PVC Pressure Piping: Join schedule number ASTM D 1785, PVC pipe and

PVC socket fittings according to ASTM D 2672. Join other-than-schedule-number PVC pipe and socket fittings according to ASTM D 2855.

5. PVC Nonpressure Piping: Join according to ASTM D 2855.

6. PVC to ABS Nonpressure Transition Fittings: Join according to

ASTM D 3138 Appendix.

G. PE Piping Heat-Fusion Joints: Clean and dry joining surfaces by wiping with clean cloth or paper towels. Join according to ASTM D 2657.

1. Plain-End Pipe and Fittings: Use butt fusion.

2. Plain-End Pipe and Socket Fittings: Use socket fusion.

3.4 PIPING CONNECTIONS

A. Make connections according to the following, unless otherwise indicated:

15535 - 20

1. Install unions, in piping NPS 2 (DN 50) and smaller, adjacent to each valve and at final connection to each piece of equipment.

2. Dry Piping Systems: Install dielectric unions and flanges to connect piping materials of dissimilar metals.

3. Wet Piping Systems: Install dielectric coupling and nipple fittings to connect piping materials of dissimilar metals.

3.5 EQUIPMENT INSTALLATION - COMMON REQUIREMENTS

A. Install equipment to allow maximum possible headroom unless specific mounting heights are not indicated.

B. Install equipment level and plumb, parallel and perpendicular to other building systems and components in exposed interior spaces, unless otherwise indicated.

C. Install mechanical equipment to facilitate service, maintenance, and repair or replacement of components. Connect equipment for ease of disconnecting, with minimum interference to other installations. Install equipment to allow right of way for piping installed at required slope.

3.6 ERECTION OF METAL SUPPORTS AND ANCHORAGES

A. Cut, fit, and place miscellaneous metal supports accurately in location, alignment, and elevation to support and anchor mechanical materials and equipment.

B. Field Welding: Comply with AWS D1.1.

3.7 ERECTION OF WOOD SUPPORTS AND ANCHORAGES

A. Cut, fit, and place wood grounds, nailers, blocking, and anchorages to support, and anchor mechanical materials and equipment.

B. Select fastener sizes that will not penetrate members if opposite side will be exposed to view or will receive finish materials. Tighten connections between members. Install fasteners without splitting wood members.

C. Attach to substrates as required to support applied loads.

END OF SECTION 15050

15535 - 21

SECTION 15535

PART 1 - GENERAL

1.1 SUMMARY

A. This Section includes the following:

1. Heat Pumps and accessories complete with controls.

1.2 DEFINITIONS

A. Heat Pumps: Furnace with annual fuel utilization efficiency rating more than 88 percent; designed to vent saturated flue gas.

1.3 SUBMITTALS

A. Product Data: Include rated capacities of selected models, furnished specialties, and accessories for each heat pump. Include plan and elevation views of units, minimum clearances, and data on ratings and capacities.

B. Wiring Diagrams: Power, signal, and control wiring.

C. Operation and maintenance data.

1.4 QUALITY ASSURANCE

A. Electrical Components, Devices, and Accessories: Listed and labeled as defined in NFPA 70, Article 100, by a testing agency acceptable to authorities having jurisdiction, and marked for intended use.

B. Comply with NFPA 70.

1.5 WARRANTY

A. Special Warranty: Manufacturer's standard form in which manufacturer agrees to repair or replace furnace heat exchanger and control circuit board that fail in materials and workmanship within 10 years from date of Substantial Completion.

PART 2 - PRODUCTS

2.1 AIR –AIR HEAT PUMPS

15535 - 22

A. Available Manufacturers:

1. Carrier; Div. of United Technologies Corp.

2. Lennox Industries, Inc.

3. Bryant Heating and Cooling Systems.

4. Rheem Manufacturing Company

5. Trane and American Standard Heating and Air Conditioning

6. Goodman Air Conditioning and Heating

OR An Approved Equal.

B. Description: Three ton heat pumps shall have a minimum SEER rating of 18, HSPF 8, and EER of 12. Five ton heat pumps shall have a minimum SEER rating of 16, HSPF 8, and EER of 12. Units shall have a minimum 10 year warrantee.

Units for the Admin Office #2001 must be able to heat and cool an area of 2500 sft. Units for the Upper Office #2011 must be able to heat and cool an area of 3300 sft.

Units shall be able to accommodate Heating and Cooling needs to maintain an indoor temperature of 78 in the winter and 68 during the summer. The system shall be sized using the recommended ASHRAE heating design temperature and cooling design temperature for the nearest weather station representative of the installation. Heat pump systems shall be sized to meet or exceed the heating design load of the building. Installed auxiliary heating shall not exceed 150% of the heating design load.

C. Finish of External Casings and Cabinets: Factory painted manufacturer's standard color.

D. Fan Motors: Multitapped, multispeed, with internal thermal protection and permanent lubrication.

E. Accessories:

2.2 AIR FILTERS AND CLEANERS

A. Filters: 4-inch- (100-mm-) thick, disposable fiberglass type or as recommended by manufacturer.

2.3 THERMOSTATES

A. An electronic thermostat shall be installed to control the heating and cooling system. Thermostats used for both heating and cooling shall have a manual changeover feature or heating/cooling lockout to prevent cross-cycling between heating and cooling.

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B. Heat Pump Thermostat Capability: Heat pump thermostat shall have a minimum of seven stage heating control.

C. Emergency Heat Relay: All indoor thermostats shall include a manual selector switch to permit all supplemental heaters to be energized under control of the indoor thermostat (with the bypassed) when the compressor or refrigerant system is inoperative.

PART 3 - EXECUTION

3.1 HEAT PUMP INSTALLATION

A. All equipment shall be located and installed according to manufacturer specifications and guidelines, all applicable codes and standards, and accepted industry practices.

B. Base mounted Units: Secure units to substrate. Provide optional bottom closure base if required by installation conditions.

1. Anchor furnace to substrate to resist code-required seismic acceleration.

C. Controls: Install thermostats at mounting height of 60 inches (1500 mm) above floor.

D. Control Wiring: Install additional control wiring if required to allow optimal furnace control and operation.

E. Identify furnaces according to Division 15 Section "Basic Mechanical Materials and Methods Mechanical Identification."

F. Additional 4” concert slab will be required for outside units at the Administration office #2001. Slab will be constructed using reinforcement.

3.2 CONNECTIONS

A. Install piping adjacent to machine to allow service and maintenance.

B. Install wiring and controls so they are accessible.

C. Ground equipment according to Division 16 Section "Grounding and Bonding."

3.3 ADJUSTING

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A. Set controls, and other adjustments for optimum heating and cooling performance and efficiency. Balance heat-distribution features, including shutters, dampers, and relays, to provide system efficiency.

3.4 CLEANING

A. After completing installation, clean and seal ducting exposed without need for demolition internally according to industry standards.

END OF SECTION 15535

16050 – 25

BASIC ELECTRICAL MATERIALS AND METHODS

SECTION 16050

BASIC ELECTRICAL MATERIALS AND METHODS

PART 1 - GENERAL

3.5 SUMMARY

A. Route new electrical from 400 amp panel. Review panel for utilization of existing leads and bring new conductors for new heat pump service panel in at the nearest location (core drill). Bring through walls or ceiling through IMC or EMT panel location.

3.6 DEFINITIONS

EMT: Electrical metallic tubing.

FMC: Flexible metal conduit.

IMC: Intermediate metal conduit.

LFMC: Liquidtight flexible metal conduit

3.7 SUBMITTALS

A. Product Data: For conduit, service panels (200 and 400), conductors, shut off breakers, boxes and any substitutions for equipment called out in the specifications.

a. based and their installation requirements.

3.8 QUALITY ASSURANCE

A. Electrical Components, Devices, and Accessories: Listed and labeled as defined in NFPA 70, Article 100, by a testing agency acceptable to authorities having jurisdiction, and marked for intended use.

B. Devices for Utility Company Electricity Metering: Comply with utility company published standards.

C. Comply with NFPA 70.

3.9 COORDINATION

A. Sequence, coordinate, and integrate installing electrical materials and equipment for efficient flow of the Work. Coordinate installing large equipment that requires positioning before closing in the building.

PART 2 – PRODUCTS

4.1 WIRES, CABLES, AND CONNECTIONS

A. Conductors, No. 10 AWG and Smaller: Solid or stranded copper.

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B. Conductors, Larger Than No. 10 AWG: Stranded copper.

C. Insulation: Thermoplastic, rated 600 V, 75 deg C minimum, Type THW, THHN- THWN, or USE depending on application.

D. Cable: with ground wire as required by code.

E. Wire Connectors and Splices: Units of size, ampacity rating, material, type, and class suitable for service indicated.

4.2 METAL WIREWAYS AND RACEWAYS

A. Fittings and Accessories: Include couplings, offsets, elbows, expansion joints, adapters, hold-down straps, end caps, and other fittings to match and mate with wireways as required for complete system.

Wireway Covers: Hinged type or Flanged-and-gasketed type.

Finish: Manufacturer's standard enamel finish.

Surface Metal Raceways: Galvanized steel with snap-on covers. Manufacturer's standard enamel finish in color selected by Architect.

4.3 METAL CONDUIT AND TUBING

A. Rigid Steel Conduit: ANSI C80.1.

IMC: ANSI C80.6.

EMT: ANSI C80.3.

FMC: Zinc-coated steel.

LFMC: Flexible steel conduit with PVC jacket.

Fittings for Conduit (Including all Types and Flexible and Liquidtight), EMT, and Cable:

NEMA FB 1; listed for type and size raceway with which used, and for application and environment in which installed.

1. Conduit Fittings for Hazardous (Classified) Locations: Comply with UL 886.

2. Fittings for EMT: Steel or die-cast, set-screw or compression type.

3. Coating for Fittings for PVC-Coated Conduit: Minimum thickness, 0.040 inch

(1 mm), with overlapping sleeves protecting threaded joints.

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4.4 BOXES, ENCLOSURES, AND CABINTES

A. Sheet Metal Outlet and Device Boxes: NEMA OS 1.

Cast-Metal Outlet and Device Boxes: NEMA FB 1, Type FD, with gasketed cover.

Nonmetallic Outlet and Device Boxes: NEMA OS 2.

Small Sheet Metal Pull and Junction Boxes: NEMA OS 1.

Cabinets:

NEMA 250, Type 1, galvanized-steel box with removable interior panel and removable front, finished inside and out with manufacturer's standard enamel.

Hinged door in front cover with flush latch and concealed hinge.

Key latch to match panelboards.

Metal barriers to separate wiring of different systems and voltage.

Accessory feet where required for freestanding equipment.

4.5 ELECTRICAL IDENTIFICATION

A. Identification Device Colors: Use those prescribed by ANSI A13.1, NFPA 70, and these Specifications.

B. Tape Markers for Conductors: Vinyl or vinyl-cloth, self-adhesive, wraparound type with preprinted numbers and letters.

PART 3 – EXECUTION

RACEWAY APPLICATION

Outdoors: Apply raceway products as specified below, unless otherwise indicated:

Exposed Conduit: Rigid steel conduit or IMC (EMT also allowed where UL listed raintight fittings are used and the raceway is 6-inch (150-mm) minimum above finished grade.

Concealed Conduit, Aboveground: Rigid steel conduit, IMC, or EMT.

Underground Conduit: IMC is required for the first 5-ft (1.5-m) beyond grade penetration. 24-inch (600-mm) minimum burial depth unless otherwise indicated on the drawings.

Boxes and Enclosures, Aboveground: NEMA 250, Type 3R.

Comply with the following indoor applications, unless otherwise indicated:

Exposed, Not Subject to Severe Physical Damage, Concealed in Ceilings and

Interior Walls and Partitions: EMT.

Damp or Wet Locations: Rigid steel conduit, IMC or EMT where UL listed raintight fittings are used.

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Boxes and Enclosures: NEMA 250, Type 1, except use metallic NEMA 250, Type 4, in damp or wet locations.

Minimum Raceway Size: As Recommended by contractor.

Raceway Fittings: Compatible with raceways and suitable for use and location.

Rigid and Intermediate Steel Conduit: Use threaded rigid steel conduit fittings, unless otherwise indicated.

PVC Externally Coated, Rigid Steel Conduits: Use only fittings listed for use with that material. Patch and seal all joints, nicks, and scrapes in PVC coating after installing conduits and fittings. Use sealant recommended by fitting manufacturer.

INSTALLATION

Comply with NECA 1 for installation requirements applicable to products specified in Part 2.

Keep raceways at least 6 inches (150 mm) away from parallel runs of flues and steam or hot-water pipes. Install horizontal raceway runs above water and steam piping.

Complete raceway installation before starting conductor installation.

Conceal conduit and EMT within finished walls, ceilings, and floors, unless otherwise indicated.

May use building I-Beam support to run wire within conduit.

Install pull wires in empty raceways. Use polypropylene or monofilament plastic line with not less than 200-lb (90-kg) tensile strength. Leave at least 12 inches (300

mm) of slack at each end of pull wire.

Install raceway sealing fittings at suitable, approved, and accessible locations and fill them with listed sealing compound. For concealed raceways, install each fitting in a flush steel box with a blank cover plate having a finish similar to that of adjacent plates or surfaces. Install raceway sealing fitting where required by NFPA 70

INSTALLATION OF UNDERGROUND CONDUIT

Direct-Buried Conduit:

Excavate trench bottom to provide firm and uniform support for conduit. Backfill material shall be free of rocks larger than 4 inches (100 mm) in diameter.

After installing conduit, backfill and compact. Firmly hand tamp backfill around conduit to provide maximum supporting strength. After placing controlled backfill to within 12 inches (300 mm) of finished grade, make final conduit connection at end of run and complete backfilling with normal compaction. Underground-Line Warning Tape: Install according to specification 260553-Identification for Electrical Systems.

Protection

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Provide final protection and maintain conditions that ensure coatings, finishes, and cabinets are without damage or deterioration at time of Substantial Completion.

5.5 ELECTRICAL EQUIPMENT INSTALLATION

A. Equipment: Install to facilitate service, maintenance, and repair or replacement of components. Connect for ease of disconnecting, with minimum interference with other installations.

5.6 WIRING METHODS FOR POWER CIRCUITS

A. Application: Use wiring methods specified below to the extent permitted by applicable codes as interpreted by authorities having jurisdiction.

B. Exposed Feeders: Insulated single conductors in raceway, Metal-clad cable or Armored cable.

C. Concealed Feeders in Ceilings, walls or floor framing.: Insulated single conductors in raceway, Metal-clad cable, Armored cable or Nonmetallic sheathed cable.

5.7 WIRING INSTALLATION

A. Make splices and taps that are compatible with conductor material and that possess equivalent or better mechanical strength and insulation ratings than unspliced conductors.

5.8 IDENTIFICATION MATERIALS AND DEVICES

A. Tag and label circuits designated to be extended in the future. Identify source and circuit numbers in each cabinet, pull and junction box, and outlet box. Color-coding may be used for voltage and phase identification.

B. Install warning, caution, and instruction signs where required to comply with 29 CFR 1910.145, Chapter XVII, and where needed to ensure safe operation and maintenance of electrical systems and of items to which they connect. Indoors install engraved plastic-laminated instruction signs with approved legend where instructions are needed for system or equipment operation. Install metal-backed butyrate signs for outdoor items.

5.9 CUTTING AND PATCHING

A. Cut, channel, chase, and drill floors, walls, partitions, ceilings, and other surfaces required to permit electrical installations. Perform cutting by skilled mechanics of trades involved.

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B. Repair, refinish and touch up disturbed finish materials and other surfaces to match adjacent undisturbed surfaces.

END OF SECTION 16050

June 2011

233100 – 31

DUCT CLEANING

SECTION 233100

PART 1 - GENERAL

1.1 GENERAL INFORMATION:Qualifications of the HVAC System Cleaning Contractor shall be the following:

A. Membership: The HVAC system cleaning contractor shall be a certified member of the National Air Duct Cleaners Association (NADCA), or shall maintain membership in a nationally recognized non-profit industry organization dedicated to the cleaning of HVAC systems.

B. Certification: The contractor shall have a minimum of two (2) Air System Cleaning Specialist (ASCS) certified by NADCA on a full time basis, or shall have staff certified by a nationally recognized certification program and organization dedicated to the cleaning of HVAC systems. The contractor shall also have a minimum of one

(1) Commercial Certified National Comfort Institute Technician, or equivalent standard.

C. License: The contractor is required to operate under the State of Idaho certified HVAC License or mechanical license

D. Field Supervisor Qualifications: A person certified as an ASCS by NADCA, or maintaining an equivalent certification.

E. Experience: The HVAC system cleaning contractor shall submit records of at least 5 years experience in the field of HVAC system contractor as requested by the CO.

Bids shall only be considered from firms which are regularly engaged in HVAC system maintenance with an emphasis on HVAC system cleaning and decontamination.

F. Indoor Environmental Professional: The HVAC system cleaning contractor shall have a minimum of one (1) certified American Council for Accredited Certification (ACAC) indoor environmentalist – CIE, CIEC, CIAQP, or CIH on staff on a full time basis, or shall have staff certified by a nationally recognized certification program and organization dedicated to indoor environmental testing

PART 2 - SCOPE/STATEMENT OF WORK:

The Contractor shall provide all labor, equipment, materials and supervision necessary to perform Ductwork Cleaning.

PART 3 - PERFORMANCE OF WORK - BASELINE CONDITIONS AND POST

TESTING INSPECTION QA/QC

1.2 Baseline conditions, QA/QC protocols and clearance.

• QA/QC shall be limited to the areas specified herein, and the specific zone/air handler and ductwork to be cleaned/sanitized. No other areas shall be monitored or other tests conducted, without the authorization of the CO.

1.3 Initial air flow and differential pressure readings, are to be performed by the Contractor using appropriate equipment. For example, vane anemometer, digital pressure gauges, 233100 – 32 pitot tubes, velometers, calibrated axial fans, etc. Air flow shall be measured across each heat exchanger, energy recovery unit and across the complete air handler assembly, without filters in place

1.4 Provide CO with QA/QC Report, including: photographs and; environmental conditions;

surface tape preparation laboratory results; and air flow and pressure differential results.

2.0 CORRECTION OF WORK

2.1 Damage caused by the contractor or discovered by the contractor shall be reported immediately to the CO.

2.2 The Contractor shall re-execute any work that fails to conform to the requirements of the Contract, and which appears during the progress of the project, shall remedy any defects due to faulty materials or workmanship which appear within a period of one year from the date of final acceptance of the work by the CO. The provisions of this article apply to work completed by subcontractors as well as to work completed by employees of the Contractor.

3.0 PROTECTION OF WORK, PROPERTY AND PERSONS

3.1 The Contractor shall adequately protect the work, client's property and the public and shall be responsible for the cost arising out of any damage or injury due to his act or neglect.

3.2 The Contractor shall maintain contaminated work areas continually under negative pressure relative to adjacent non-work areas.

3.3 Contractor shall employ appropriate testing methods to determine the particulate retention capability of each negative air machine (NAM) prior to starting the project, as well as during the course of the work.

4.0 ACCESS TO WORK

4.1 The Contractor shall permit and facilitate observation of the work by the CO and the COR at all times.

5.0 WORK SCHEDULE

5.1 No work shall be completed on HVAC mechanical systems while they are active. All work shall be completed during hours as negotiated by the CO.

5.2 Contractor acknowledges that that a portion of the work may be performed in an occupied setting (e.g., employees and/or guests). Safety for these people and a minimal amount of disruption in services are the foremost important considerations in the performance of the project. Contractor will be constantly vigilant for potential slip/trip and fall hazards that may be created by the work, and shall take appropriate actions to ensure the safety of employees, visitors and guests.

5.3 All work hours shall be pre-approved by the CO or their designated representative.

5.4 Contractor will submit a work schedule to the CO for coordination with facility management or other appropriate personnel.

5.5 All systems shall be back on line and operating at full capacity, and all areas cleaned and ready for office personnel, no later than the time indicated by the contract completion date.

6.0 MATERIALS, EQUIPMENT & PERSONNEL

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6.1 Except as otherwise noted, the Contractor shall provide and pay for all materials, labor, tools, and other items necessary to complete the work.

6.2 All material shall be new, and both workmanship and materials shall be of a high standard of quality, approved by the CO.

6.3 The cleaning procedures shall be accomplished by the use of specialized equipment, i.e., high efficiency vacuum system utilizing HEPA filters, low pressure/high heat steam pressure washers, high volume/low pressure (HVLP) rinsing devices, etc., as required.

6.4 Special attention shall be taken during duct cleaning and coil sterilization to prevent high levels of contaminants, dust, water or steam from becoming airborne and disseminated into occupied areas, by utilizing proper containment protocols.

6.5 The contractor shall, during cleaning, sterilization and decontamination, maintain certified respirators, safety glasses and clothing according to the OSHA respiratory protection standard 29-CFR-1910.134.

7.0 CONTRACTORS RESPONSIBILITIES:

THE CONTRACTOR SHALL:

7.1 Be responsible for cleaning of specified ductwork and duct components.

7.2 Report all damaged or deteriorating coils, heat exchangers and /or air handler insulation to the CO for inspection and decision as to remediation.

7.3 Guarantee unsupervised night work: A "Progress Report" is to be faxed or otherwise delivered daily to the CO or designated representative.

8.0 SPECIAL CARE:

8.1 The contractor shall exercise care to prevent damage to the Government’s equipment (including electrical motors, alarm systems, controls, etc.) from water and steam used in the cleaning process. Containment protocols will be utilized to protect all interior equipment (including furniture and files) and protected to prevent damage. Any damaged fixtures, equipment or system shall be repaired, if possible or replaced with equal equipment at no expense to the Government.