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ERIC6C§ON•McGOVERN
Architecture Analysis School Design
Erickson McGovern, PLLC tel: 253-531-0206
' 120 131st Street South fax: 253-531-9197
Tacoma, WA 98444-4804
DESCRIPTION
VOLUME2
DIVISION 15. MECHANICAL
NUMBER OF PAGES
MECHANICAL TABLE OF CONTENTS ................................................ 2
SECTION 15055, GENERAL MECHANICAL REQUIREMENTS .............................. 12
15060, PIPE AND FITTINGS ...........................................:.. 3
15065, EXCAVATION & BACKFILL FOR MECHANICAL UNDERGROUND UTILITIES ........ 5
15095, HANGERS AND SUPPORTS ......................................... 6
15100, VALVES ...................................:............ ... 6
15120, PIPING SPECIALTIES ............................................. 4
15170, MOTORS AND VARIABLE DRIVES .................................... 8
15190, MECHANICAL IDENTIFICATION ............. . ........................ 4
15200, SLEEVES AND SEALS ............................................ 3
15240, VIBRATION AND SEISMIC CONTROL .................................. 12
15261, PIPING INSULATION ..... .... .................................. 5
15290, EQUIPMENT /DUCTWORK INSULATION ................................ 2
15330, WET PIPE AUTOMATIC SPRINKLER SYSTEMS :.......................... 18
15335, DRY PIPE AUTOMATIC SPRINKLER SYSTEMS ............................ 19
.15340, PRIVATE FIRE SERVICE MAINS ...................................... 8
15412, SOIL, WASTE & VENT PIPING SYSTEM ................................ 3
15440, PLUMBING FIXTURES ............................................. 7
15454,PUMPS ....................................................... 5
15455, ELECTRIC STORAGE TYPE WATER HEATERS ........... .......
.......... 2
15460, HIGH EFFICIENCY GAS FIRED WATER HEATERS ......................... 2
15485,COMPRESSED AIR .......................'.......•................ 2
15487, NATURAL GAS ... .......................................... 3
15530, REFRIGERANT PIPING SYSTEM ..................................... 6
15557, COPPER BOILER ................................................ '4
15640, FLUES ........................................................ 2
15645, ELECTRIC HEATERS ............................................. 1
15700,HYDRONIC SYSTEM .............................................. 9
15778, AIR COOLED CHILLERS ........................................... 3
15781, SPLIT SYSTEM UNITS ............................................ 3
15830, AIR-TO-AIR HEAT EXCHANGERS ...............................:.... 3
15840, WATER TREATMENT(HYDRONIC SYSTEMS) ............................ 3
15851, VAV TERMINAL BOX UNITS .................'.................... '... 2
15855, AIR HANDLING UNITS WITH COILS ................................... 3
15860, AIR SYSTEM TESTING & BALANCING ................................. 3
15869, EXHAUST FANS ................................................. 3
15870,. HVAC SPECIALTIES ............................................. 5
15891, STEEL DUCTWORK .............................................. 8
15932, AIR TERMINALS ....... ............. ...................
... ... 3
15933, ROOF MOUNTED AIR INLETS AND OUTLETS ............................ 1
15950, WATER SYSTEM BALANCING ...... ..................:......
....... 3
.15970, ENERGY MANAGEMENT AND CONTROLS (DDC) ......................... 21
15995, DIVISION 15 COMMISSIONING ...................................... 10
[ridgeline msJ 5
TABLE OF CONTENTS
DESCRIPTION
DIVISION 16. ELECTRICAL
NUMBER OF PAGES
ELECTRICAL TABLE OF CONTENTS ................................................. 2
SECTION 16050, ELECTRICAL GiENERAL CONDITIONS ................................. .
160.51:, ELECTRICAL SYSTEM PROTECTIVE DEVICE STUDY ...................... .
16055, EXCAVATION & BACKFILL FOR ELECTRICAL UNDERGROUND UTILITIES ........ .
16110, RACEWAY ..................................................
16120, WIRES AND CABLES ..............................................
16130, OUTLET AND PULL BOXES .......................................
16132, FLOOR OUTLET DEVICES -FLUSH .................................. .
16140,SWITCHES AND RECEPTACLES .....................................
16155, MOTOR CONTROLLERS ...........................................
16160,PANELBOARDS .................................................
16170, DISCONNECTS AND FUSED SWITCHES ................................
16180, FUSES ... ...... .........................................
16251, AUTOMATIC TRANSFER SWITCH .....................................
16450, GROUNDING ...................................................
16461, DRY TYPE TRANSFORMERS ........................................
16470, SWITCHBOARDS ................................................
16495, EMERGENCY GENERATOR ..........................................
16500, LIGHTING ..... .................... ....................
..... ..
16550, LIGHTING CONTROL PANEL ........................................
16580, THEATRICAL LIGHTING SYSTEM - (ALTERNATE BID E-1) .................. .
16680, TRANSIENT VOLTAGE SURGE SUPPRESSION ...........................
16720, FIRE ALARM SYSTEMS ..........................................:
16725, CLOSED CIRCUIT TELEVISION SYSTEM (CCTV) (ALTERNATE BID E-2) ......: .
16727, INTRUSION ALARM AND DOOR ACCESS CONTROL SYSTEM ................ .
16740, COMMUNICATION/CLOCK/PROGRAM SYSTEMS
(ALTERNATE BID E-3A, E-3B AND E-3C) ............................. .
16745, ROUGH IN FOR LOW VOLTAGE SYSTEMS ............................. .
16751, GYMNASIUM SOUND SYSTEM .......................................
16752, COMMONS SOUND SYSTEM .........................................
16753, AUXILIARY GYMNASIUM SOUND SYSTEM .............................. .
16754, CHOIR AND BAND ROOM SOUND SYSTEMS .............................
16780, TELEVISION DISTRIBUTION SYSTEM (ALTERNATE BID E-3A, E-3B, E-3C) ..... .
16800, DATA AND VOICEINFRASTRUCTURE ..................................
16995, DIVISION 16 COMMISSIONING ..................................... .
END OF TABLE OF CONTENTS
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[ridgeline ms] 6 TABLE OF CONTENTS
' ~ ~~
~~~ ENGINEERS,INC.
TACOMA • SEATTLE ~ OLYMPIA
TACOMA OFFICE
6021 12~ Street East, Suite 200
Tacoma, WA 98424
Phone (253) 922-0446
Fax (253) 922-0896
YELM SCHOOL DISTRICT - RIDGELINE MIDDLE SCHOOL
BCE PROJECT NO. 204-108.00
Notice:
The following list of specifications and drawings represents those documents that were prepared under
' the provisions of the Revised Code of Washington RCW 18.43, by BCE Engineers, Inc. of Tacoma,
Washington. The sealing of this specification and drawings list is provided in accordance,~ith
Washington Administrative Code WAC196-23-020.
TABLE OF CONTENTS
15~~~ -MEC HANICAL SPECIFICATIONS
Section Description
15055 GENERAL MECHANICAL REQUIREMENTS
15060 PIPE AND FITTINGS
15065 EXCAVATION AND BACKFILL FOR MECHANICAL
UNDERGROUND UTILITIES
15095 HANGERS AND SUPPORTS
15100 VALVES
15120 PIPING SPECIALTIES
15170 MOTORS AND VARIABLE DRIVES
15190 MECHANICAL IDENTIFICATION
15200 SLEEVES AND SEALS
15240 VIBRATION & SEISMIC CONTROL
15261 PIPING INSULATION
15290 EQUIPMENT/DUCTWORK INSULATION
15330 WET PIPE AUTOMATIC SPRINKLER SYSTEMS
15335 DRY PIPE AUTOMATIC SPRINKLER SYSTEMS
15340 PRIVATE FIRE SERVICE MAINS
15412 SOIL, WASTE, AND VENT PIPING SYSTEM
15440 PLUMBING FIXTURES
15454 PUMPS
' 15455 ELECTRIC STORAGE TYPE WATER HEATERS
15460 HIGH EFFICIENCY GAS FIRED WATER HEATERS
15485 COMPRESSED AIR
' (ridgeline msJ TOC - 1 TABLE OF CONTENTS
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No. of Pages
12
3
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18
19
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TOC - 1
_ ~~ TACOMA OFFICE
6021 12~ Street East, Suite 200
~~~ E N G i (~ E E RS, ~ N ~. Tacoma, WA 98424
Phone (253) 922=0446
TACOMA • SEATTLE • OLYMPIA Fax (253) 922-0896
15000 -MECHANICAL SPECIFICATIONS CONTINUED
Section Description ~ No. of Pages
15487 NATURAL GAS 3
15530 ~ REFRIGERANT PIPING SYSTEM 6
15557 COPPER BOILER 4
15640 FLUES 2
15645 ELECTRIC HEATERS ~ 1
15700 HYDRONIC SYSTEM 9
15778 AIR COOLED CHILLERS 3
15781 SPLIT SYSTEM UNITS ~ 3
15830 AIR-TO-AIR HEAT EXCHANGERS 3
15840 WATER TREATMENT (HYDRONIC SYSTEMS) 3
15851 VAV TERMINAL BOX UNITS 2
15855 AIR HANDLING UNITS WITH COILS 3
15860 'AIR SYSTEM TESTING AND BALANCING 3
15869 EXHAUST FANS 3
15870 HVAC SPECIALTIES 5
15891 STEEL DUCTWORK 8
15932 AIR TERMINALS 3
15933 ROOF MOUNTED AIR INLETS & OULETS 1
15950 WATER SYSTEM BALANCING 3
15970 ENERGY MANAGEMENT AND CONTROLS (DDC) 21
END OF TABLE OF CONTENTS
jridgeline ms] TOC - 2 TABLE OF CONTENTS TOC - 2
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1
SECTION 15055 - (9ENERAL MECHANICAL REQUIREMENTS ~ '
~
2
"PART 1 -GENERAL
3 1.01 " GENERAL "
4 A. Includes, but not limited to, furnishing labor, materials, and equipment for completion of
5 work unless indicated or noted otherwise. See Division 1 for sequence of work.
6 B. .All work included in Division 15 shall be the responsibility of a single Mechanical
7 Subcontractor. All Division 15 work shall be bid to that single prime Mechanical
' 8 Contractor.
9 C. This Contractor shall obtain and pay for all permits required by State and local authorities
10 governing the installation of the mechanical work. It is the Contractor's responsibility to
41 contact all utility organizations serving the building, prior to bid, and to include all charges
12 ,
for inspections, installation of materials, equipment and connection of all required utilities.
13 D. Furnish exact location of electrical connections and complete information on motor
' 14 controls to Division 16.
15 E: Putting heating, ventilating, cooling, and exhaust systems into full operation and
16 continuing their operation during each working day of testing and balancing.
' 17 F. Making changes in pulleys, belts, and dampers or adding dampers as required for correct
18 balance as recommended by Section 15860 and at no additional cost to Owner. All
19 equipment shall ,be provided with a single point electrical connection, unless otherwise
t 20 indicated.
21 G. The drawings and specifications are complementary and what is called for in either is
22 binding as if called for in both.
23 H. The ductwork and accessibility to HVAC equipment shall take precedence over all other ' ;
24 equipment in the ceiling interstitial spaces or other mechanical areas including, but not
25 limited to, sprinkler piping, heating piping, domestic water piping and electrical conduit
26 (except fire pump rooms where as fire sprinkler equipment takes precedence). ± ~'
27 1.02 ELECTRICAL
' 28 A. All electrical work, conduit, boxes and devices in connection with control wiring as
29" required to install the control equipment as specified herein or shown on the drawings
30 shall be furnished and installed complete by the Division 15 Contractor.
31 B. All electrical work performed under this Section of the Specifications shall conform to all
32 applicable portions of the Division 16 specifications and shall conform to all governing
33" codes.
' 34 C. All equipment shall be factory wired to a junction box for connection to electrical service. i
35 D.~ Where a piece of equipment specified includes an electric motor, the. motor shall be
36 furnished and mounted by this Contractor. Motor starter, disconnect switches and wiring
' 37 from the electrical panel to the motor control devices and to the motor shall be provided j
38 by the Division 16 Contractor unless stated otherwise in the mechanical specification and ~
39 on the mechanical equipment schedule.
' 40 1.03 RELATED SECTIONS ~
i
41 A. General and Supplementary Conditions and Division 1 apply to this Section. ,
(ridgeline msJ 15055 - 1 GENERAL MECHANICAL REQUIREMENTS 15055 - 1
1 1.04 SYSTEMS DESCRIPTION
2 A. Site Inspection:
3 1. Examine premises and .understand the conditions which may affect pertormance
4 of work of this Division before submitting proposals for this work.
5 2. No subsequent allowance .for time or money will be considered for any
6 consequence related to failure to examine site conditions.
7 B. Drawings:
8 1. Mechanical drawings show general arrangement of piping, ductwork, equipment,
9 etc. Follow as closely as actual building construction and work of other trades
10 will permit.
11 2. Consider architectural, structural and electrical drawings part of this work in so
12 far as these drawings furnish information relating to design and construction of
13 building. Architectural drawings take precedence over mechanical drawings.
14 3. Because of small scale of mechanical. drawings, it is not possible to indicate all
15 offsets, fittings, and accessories which may be required. Investigate structural
16 and finish conditions affecting this work and arrange work accordingly, providing
17 such fittings, valves; and accessories required to meet conditions.
18 1.05 SUBMITTALS
19 A. All material used on the project shall be new and free of defects. The Architect and/or
20 Engineer reserves the right to reject any material, the appearance of which has ~ been
21 damaged on the site or in shipment. The material shall be of pre-approved equal quality
22 to that which is specified. Should the make and type of material differ from that specified,
23 the Contractor may be required to submit catalog 'and engineering data (samples if
24 requested) necessary to make a comparison and determine its suitability. The Contractor
25 shall also bear the cost of all changes to any aspect of the project (electrical, mechanical,
26 building, etc.) made necessary by any approved substitutions. Approved substitutions
27 include those listed as approved manufacturers or approved substitutions. Tentative
28 approval of substitute material and equipment will be made prior to bid only. Such
29 request for approval shall be made two weeks in advance of the bid opening to allow time
30 to assess its suitability. Failure to obtain approval prior to bid shall require the successful
31 bidder to furnish materials and equipment only as specified herein (see paragraph 2.01,
32 this specification).
33 B. The Contractor shall submit to the Architect, for approval, complete information on all
34 equipment and materials to be provided on the project. Provide copies as specified by
35 Division 1 and at a minimum provide six (61 copies of the manufacturer's catalog and
36. engineering data, shop drawings of shop fabricated equipment and instruction data for
37 each item included under this Section of the Specifications. Submittals shall be
38 presented to the Architect within 30 calendar days from the date of the Contract signing
39 in complete indexed and bound sets. Submitting portions of the submittals will not be
40 accepted. The Contractor shall submit a typed, signed list including all items to be.
41 furnished on the project. The signature on the aforementioned list shall indicate that the
42 Contractor has examined the suitability of all material and equipment with respect to
43 compliance with these specifications. The Contractor's approval shall also indicate that
44 physical dimensions of the equipment have been verified with the installation
45 requirements and were found to cause no interference therewith.
46 C. Review of submittal data by the Engineer or Architect does not relieve the Contractor of
47 responsibility for quantities, measurements, and compliance with the intent of all contract
48 documents.
~ridgeline ms] 15055 - 2 GENERAL MECHANICAL REQUIREMENTS ~ 15055 - 2
'..
1
D.
Furnish submittals in a hard-back, three-ring binder. The binder shall have tabs which
2 are indexed with a Table of Contents. The Table of Contents shall correlate an index
3 number for each individual specification number. 'If the equipment submittal is not bound
4 ~ to the Engineer's satisfaction, it may be rejected.
5
6 E. Furnish submittals generally according to the list below. Individual Sections may contain
more specific submittal listing of the particular Section labeled "Submittal Requirements."
7 Furnish on each particular Section and the following equipment:
8 ~ 1. Pipe
' 9 2. Pipe Insulation
10 ~ 3. Duct Insulation and Lining
11 4. Hot Water Tanks .
12 5. Boilers
13 6. Plumbing .Fixtures
14 7. Valves
' 15 8. Pipe Hangers
. 16 9. Piping Specialties
17 40. Pumps
18 11. .Gas Flues
1 19 12. Fire Sprinkler Equipment
20 13. HVAC Equipment
21 14. .Temperature Control Equipment and Shop Drawings
' 22 15. Air Balance Contractor
23 16. Hydronic Equipment
24 17. Air Compressor & Devices
25 18. Natural Gas Components
26 19. Fire Marshal Stamped and Approved Shop Drawings for Fire Sprinkler System
27 F. Any material found to be installed without prior approval will be required to be removed
' 28 and replaced with only specified material at Contractor's cost.
29 G. Mechanical Drawings for the project have been developed by the Engineer using
30 AutoCADT"' 2004 software. These drawing files will be made available to the Contractor
' 31 for development of shop drawings and/or "As-Builts" for a fee of $20.00 per sheet. Full
32 payment to be made prior to release of drawing files.
33 1.06 SUBMITTALS REQUIREMENTS OF THIS SECTION
34 A. Access doors.
35 1.07 OPERATION AND MAINTENANCE MANUAL FOR MECHANICAL SYSTEMS .
36 A. Bind Operation & Maintenance Manual for Mechanical Systems in three-ring, hard-
37 backed binder with clear plastic pocket on spine. Spine of each binder shall have
38 following typewritten lettering inserted:
' 39 OPERATION
40 AND
41 MAINTENANCE
' 42 - MANUAL
43 for MECHANICAL SYSTEMS
44 B.. Provide master index at beginning of Manual showing items included.. Use. plastic tab
' 45 indexes for Sections of Manual.
46 C. First Section shall consist of name, address, and phone number of Architect, General
47 Contractor, and Mechanical, Plumbing, Sheet'Metal, Refrigeration, Temperature control, '
' 48 and Electrical Subcontractors. Also include complete. list of equipment installed with
49 name, address, and phone number of each vendor.
' ~ (ridgeline ms] •15055 - 3 GENERAL MECHANICAL REQUIREMENTS 95055 - 3
1 D. Provide Section for each type of item of equipment.
2 E. Submit copies as specified by Division 1 and at a minimum provide three (3) copies of
3 Operation & Maintenance Manual to Architect for his approval.
4 F. Include descriptive literature (Manufacturer's catalog data) of each manufactured item.
5 Literature shall show capacities and size of equipment used and be marked indicating
6 each specific item with applicable data underlined.
7 G. Include all warranties/guarantees including extended warranties.
8 H. Include all start-up logs.
9 I. Operating Instructions shall include:
10 1. General description of each mechanical system.
11 2. Step-by-step procedure to follow in putting each piece of mechanical equipment
12 into operation.
13 3. Provide schematic control diagrams for all systems. Each diagram shall show
14 locations of start-stop switches, insertion thermostats, room thermostats,
15 thermometers, firestats, pressure gauges, automatic valves, refrigeration
16 accessories. Mark correct operating settings for each control instrument on these .
17 diagrams.
18 4. Provide diagram for electrical control system showing wiring of related electrical
19 control items such as firestats, fuses, interlocks, electrical switches, and relays.
20 5. Provide drawing of each temperature control panel identifying components on
21 panels and their function.
22 J. Maintenance Instructions shall include:
23 1. Manufacturer's maintenance instructions for each piece of mechanical equipment
24 installed in Project. Instructions shall include name of vendor, installation
25 instructions, parts numbers and .lists operation instructions of equipment, and
26 maintenance and lubrication instructions.
27 2. Summary list of mechanical equipment requiring lubrication showing name of
28 equipment, location, and type and frequency of lubrication.
29 3. List of mechanical equipment used indicating name, model, serial number, and
30 name plate data of each item together with number and name associated with
31 each system item.
32 4. For hydronic systems, include gallons in system, amounts and types of each
33 chemical, etc. Also, include step-by-step procedure to recharge the system.
34 1.08 SCHEDULE OF VALUES .
35 A. General: Provide schedule of values per Division 1 and related project requirements
36 B. Division 15 Breakdown: Provide schedule of values for each building for the following
37 categories (as a minimum).
38 1. Mechanical General (includes:: Mobilization, Submittals, General Project
39 Management, General Design, General Coordination, O&M Manuals.
40 2. Plumbing, Piping, insulation and Devices.
41 3. Plumbing Fixtures.
42 4. Fire.Sprinkling.
43 5. Hydronic, Insulation and Devices.
44 6. Hydronic Equipment (.Chillers, boilers, pumps etc.).
45 7. HVAC Ductwork, Insulation & Accessories.
46 8. HVAC Equipment (Air handling units, fans, roof vents, etc.).
47 9. Controls.
48 10. Balancing (Air and/or water). .
49 11. ~ Commissioning.
(ridgeline msJ 15055 - 4 GENERAL MECHANICAL REQUIREMENTS 15055 - 4
1 12. Demolition. ..
2 13. Mechanical Punchlist, Closeout, Owner Training.
3 C. The dollar value for "Mechanical Punchlist, Closeout, and Owner Trairing" shall in no
4 case be less than 2.25% of the total dollar value of the. Division 15 work (or as indicated
5 in Division 1, whichever is higher). The dollar value. for "Commissioning" shall in no case
6 be less than 0.75% of the total dollar value of the Division 15 work (or as indicated in
7 Division 1, whichever is higher).
8 D. The Contractor is advised that in addition to payments held out for retainage and project
9 final completion (i.e. "Mechanical Punchlist, Closeout, and Owner Training"), as specified
10 above and in Division 1, the Owner reserves the right to withhold 10% of the funds for
11 any of the .above categories until the systems (of that category) have .been proven to
12 operate as specified and have been completely tested, adjusted, and balanced.
13 1.09 QUALITY ASSURANCE
14 ' A. Requirements of Regulatory Agencies:
15 1. Perform work in accordance with applicable Codes.
16 2. In case of differences between building codes, state laws, local ordinances, utility
17 company regulations, and Contract Documents, the most stringent shall govern.
18 B. Product Approvals: See paragraphs elsewhere in this specification.
19 C. Manufacture: Use domestic made pipe, pipe fittings, and motors on Project.
20 D. Identification: Motor and equipment name plates as well as applicable UL and AGA
21 labels shall be in place when Project is turned over to Owner.
22 1.10 CODES AND STANDARDS
23 A. Codes and agencies having jurisdictional authority over mechanical installation.
24 1. Washington State Energy Code
25 2. Uniform Building Code -- Latest Approved Edition
26 3. Uniform Mechanical Code -- Latest Approved Edition
27 4. Uniform Plumbirig Code -- Latest Approved Edition
28 5: Local Sewer and Water District Requirements
29 6. State and County Department of Health
30 7. Local Fire Marshal
31 8. State Boiler Inspector
32 9. Puget Sound Air Pollution Control
33 10. State of Washington Boiler and Unfired Pressure Vessel Inspection Law
34 11. Occupational Safety and Health Administration (OSHA)
35 12. Washington Industrial Safety and Health Act (WISHA)
36 13. National Fire Protection Association (NFPA)
37 B. ASME code stamp required on all pressure vessels and relief valves. Certificate required
38 from the State Boiler Inspector showing approval of the equipment and its installation.
39 1.11 PRODUCT HANDLING AND PROTECTION
40 A. Contractor is responsible for protection of alt material, equipment and apparatus provided
41 under this Section from damage, water, corrosion, freezing and dust, both in storage and
42 when installed, until final project acceptance.
43 B. :Provide temporary heated and sheltered storage facilities for material and equipment.
44 C. Completely cover motors and other moving machinery to protect from dirt and water
45 during construction.
(ridgeline msJ 15055 - 5 GENERAL MECHANICAL REQUIREMENTS
15055 - 5
1 D. Handle and protect equipment and/or material in manner precluding unnecessary fire
2 hazard.
3 E. 'Equipment requiring rotation and/or lubrication during storage shall have records
4 maintained and .witnessed on a monthly basis and forwarded to the Architect/Engineer
5 ~ prior to acceptance.
6 F. Material or equipment damaged because of improper storage or protection will be
7 rejected.
8 G. Equipment finish that is damaged by handling, storage, etc. shall be corrected by the
9 Contractor at no additional cost to the Owner.
10 1.12 WARRANTIES
11 A. In addition to guarantee specified in General Conditions, guarantee heating, cooling, and
12 plumbing systems to be free from noise in operation that may develop from failure to
13 construct system in accordance with Contract Documents.
14 B. In order to be protected, secure proper guarantees from suppliers and Subcontractors.
15 C. Provide certificates of warranty for each piece of equipment. Clearly record "start-up"
16 date of each piece of equipment on certificate. Include certificates as part of Operation &
17 Maintenance Manual.
18 .1.13 TEMPORARY HEATING
19 A. Temporary heating for facility during construction phase shall not be supplied by the
20 permanent system installed under these specifications, unless all of the following are
21 satisfied:
22 1. Product warranties shall be extended to account for construction use. Contractor
23 shall furnish certified document stating such extended warranties.
24 2. Contractor shall obtain letter of approval from the Owner stating that they
25 understand .equipment expected life may be shortened due to severe usage.
26 3. Contractor shall be responsible for pressure cleaning all coils and vacuum
27 cleaning all ductwork prior to occupancy.
28 1.14 ABBREVIATIONS
29 ADA Americans With Disabilities Act
30 AFF Above Finish Floor
31 AFG Above Finished Grade
32 AMCA Air Moving & Conditioning Association
33 ANSI American National Standards Institute
34 APWA American Public Works Association
35 ASHRA E American Society of Heating, Refrigerating and Air Conditioning Engineers
36 ASME American Society of Mechanical Engineers
37 ASTM American Society of Testing & Materials
38 ~ AWWA American Water Works Association
39
40 BFF Below Finish Floor
41 BFG Below Finish Grade
42 BHP Brake Horsepower
43 BTU British Thermal Unit
44
45 CFM Cubic Feet per Minute
46 CISPI Cast Iron Soil Pipe Institute
47 fpm feet per minute
48 FS or Federal Specifications
49 F.D.C. Fire Department Connection
50 F.C.O Flush Cleanout
(ridgeline msj 95055 - 6 GENERAL MECHANICAL REQUIREMENTS 15055 - 6
1 F.D. Floor Drain
2
' 3 GPM Gallons per Minute
4
5 HP Horsepower
6
'
7 IAPMO International Association of Plumbing and Mechanical Officials
8 IAQ Indoor Air Quality
9 IEEE Institute of Electrical and Electronics Engineers
t 10
11 KW Kilowatt
12
13 MBH One Thousand British Thermal Units per Hour
'
14 MS or
15 Mil.Spe c. Military Specifications
16 MSS Manufacturers Standardization Society
' 17
18 NEC National Electrical Code
19 NEMA National Electrical Manufacturers Association
20 NFPA National Fire Protection Association
21 NPSH Net Positive Suction Head
22
23 OS&Y Outside Screw and Yoke
' 24
25 P.I.V. Post Indicator Valve
26 PDI Plumbing and Drainage Institute
27 per in accordance with
28 POC Point of Connection
29 PSI Pounds per Square Inch Gauge Pressure
30 PVC Polyvinyl Chloride
31
32 SMACNA Sheet Metal and Air Conditioning Contractors National Association
33 SP Static Pressure
34 SWP Steam Working Pressure
35
36 UL Underwriter's Laboratories
37
38 VTR Vent Thru Roof
39 w.g. Water Gauge (inches of water)
40 W.P. Working Pressure
41 WPL Weatherproof Louver
42 WQA Water Quality Association
43 Additional abbreviations are as listed on the drawings or elsewhere in these specifications. .
' 44 1.15 DEFINITIONS
45 A. Finished Spaces: Spaces used for habitation or occupancy where rough surfaces are
46 plastered, paneled, or otherwise treated to provide a pleasing appearance.
'
47 B. Unfinished Spaces: Spaces used for storage or work areas, such as fan rooms,
48 mechanical and boiler rooms, etc., where appearance is not a factor.
49 C. Concealed Spaces: Spaces out of sight. For example, above ceilings; below floors;
50 between double walls; furred-in areas; pipe and duct shafts; and similar spaces.
51 D. Exposed: Open to view. For example, pipe running through a room and not covered by
52 other construction.
(ridgeiine msJ 1 5055 - 7 GENERAL MECHANICAL REQUIREMENTS ~~ 15055 - 7
1 E. Outside: Open to view up to 5 feet beyond the exterior side of walls, above the roof, and
2 unexcavated or crawl spaces.
3 F. Conditioned Space: An area, room or space normally occupied and being heated or
4 cooled for human habitation by any equipment as defined by the extent of the building
5 envelope insulation.
6 1.16 YEAR 2000 COMPLIANCE
7 A. The Contractor shall supply equipment (including software, hardware and firmware)
8 which is capable of accurately processing date-related data (including, but not limited to,
9 calculating, comparing and sequencing) from, into and between the 20~' and 21~
10 Centuries. This shall include leap year calculations. When the equipment is used in
11 accordance with the product documentation, it shall be able to properly exchange data
12 and work in combination with other products.listed as "Year 2000 Compliant".
13 B. The Contractor shall remedy, at no cost to the Owner, any and all problems associated
14 with equipment installed which is not "Year 2000 Compliant". This shall include repair or
15 replace any equipment found to be non-compliant within five (5) years of final
16 acceptance.
17 1.17 AS-BUILT DRAWINGS
18 A. The Contractor shall maintain, in addition to any reference drawings, an as-built set of
19 prints, which have been reproduced from the approved site set on which all deviations
20 from the original design shall be drafted in a neat, legible manner with red colored pencil.
21 This red lined set shall identify all drawing revisions including addenda items, change
22 orders, and Contractor revisions.
23 B. Drawings shall show locations of all underground pipe and duct installed by this
24 Contractor. Underground pipes and ducts shall be shown with cross Section elevations.
25 All pipe, raceway, manholes or lines of other trades shall be included.
26 C. The Contractor shall update all references to specific products to indicate products
27 actually installed on project. This shall include, but not be limited to, air handlers, etc.
28 D. Upon completion of the Division 15 Work, the Contractor shall deliver the red lined
29 drawings and one set of neatly drafted as-built drawings on electronic media in ACAD R-
30 14 format and mylar to the Engineer for transmittal through the Engineer to the Owner.
31 PART 2 -PRODUCTS
32 2.01 ACCEPTABLE MANUFACTURERS
33 A. Any reference to the specifications or on the drawings to any article, device, product,
34 material, fixture, form or type of construction by manufacturer, name, make, or catalog
35 number shall be interpreted as establishing a standard of quality and shall not be
36 construed as limiting competition.
37 B. The manufacturer listed as Acceptable Manufacturers are approved to bid the project for
38 the items indicated without obtaining prior approval. Other manufacturers desiring to bid
39 the project require prior approval.
40 C. The listing of a manufacturer as an Acceptable Manufacturer does not necessarily mean
41 that the products of that manufacturer are equal to those specified. The listing is only an
42 indication of those manufacturers which may be capable of manufacturing, or have in the
43 past manufactured, items equal to those specified, and is intended to aid the Contractor
44 in identifying manufacturers.
(ridgeline ms]~ 15055 - 8 GENERAL MECHANICAL REQUIREMENTS 15055 - 8
1
1
D.
Products provided by Acceptable Manufacturers shall be equal to or superior to the
2 specified manufacturer's item in function, appearance, and quality, and shall fulfill all
3 requirements of the plans and specifications. The Architect/Engineer shall be the final
4 judge as to whether an item meets these requirements or not. If a manufacturer is not
5 certain that his product meets these requirements or not, then the manufacturer shall
' 6 submit data as required to obtain the Design Consultant's approval prior to bid opening.
7 E. The approval of a manufacturer applies to the manufacturer only and does not relieve the
8 Contractor from the responsibility of meeting all applicable requirements of the plans and
' 9 specifications.
10 F. ,Contractor shall be responsible for all costs to other trades and all revisions required to
11 accommodate any products which are different than those specified or shown.
12 G. In reviewing a manufacturer for acceptance, factors considered include the following:
13 engineering data showing item's pertormance, proper local representation of
14 manufacturer, likelihood of future manufacturer's local support of product, service
15 availability, previous installation, previous use by Owner/Engineer/Architect and record,
16 product quality,. availability/quality of maintenance and operation data,
17 capacity/pertormance compared to specified items, acoustics, items geometry/access
' 18 utility needs, and similar concerns.
19 H. If approval is received to use other than specified items, responsibility for specified
20 capacities and ensuring that items to be furnished will fit space available lies with this
' 21 Division.
22 I. If non-specified equipment is used and it will not fit job site conditions, this Division
23 assumes responsibility for replacement with items named in Specification.
'
24 2.02 ACCESS DOORS
25 A. This Contractor shall be responsible for furnishing and installing flush mounted access
' 26 doors in walls, ceiling and floors and chases where the following equipment is concealed
27 and is not accessible through same.
28 1. Valves (shut off, balancing, control, trap primers, sprinkler testing).
29 2. Dampers (control, balancing, fire, smoke, etc.).
30
B. i
Doors shall be UL listed 16 ga. cold rolled steel with concealed hinge, screwdriver
31 operated lock and prime coated. Furnish suitable for area mounted.
i
32 C. Approved Manufacturers: I
33 1. Milcor
34 2. Acudor ~ ,
35 3. Greenheck
36 4. Nystrom
37 PART 3 -EXECUTION
38 3.01 WORKMANSHIP
39 A. This Contractor shall provide completed systems with a neat and finished appearance. If,
40 in the judgment of the Engineer, any portion of the work has not been pertormed in a
41 workmanlike manner or is left in a rough, unfinished state, this Contractor will be required ;
42 to remove, reinstall or replace same and patch and paint surrounding surfaces in a '
43 manner acceptable to the Engineer, without increase in cost to the Owner.
(ridgeiine msJ 15055 - 9 ~ GENERAL MECHANICAL REQUIREMENTS
i
'I
15055 - 9 I
1 3.02 CLOSEOUT SUBMITTALS
2 A. Requirements: Final approval of mechanical installation will be recommended upon
3 completion of the following: ,
4 1. Completion of all punchlist items
5 2. Operation instruction period to Owner's satisfaction
6 3. Permit Submittal
7 4. Valve Diagrams
8 5. Reproducible As-Built drawings delivered to Architect
9 6. Air and/or Water Balance Report
10 7. Asbestos Free Statement
11 8. Guarantees
12 9. Equipment Manufacturer of all HVAC compressor units shall provide start-up
13 logs.
14 3.03 FINAL INSPECTION
15 A. Finallnspection:
16 1. Prior to acceptance of the mechanical work, the Contractor shall put all
17 mechanical systems into operation for a period of not less than 5 working days
18 so that they may be inspected by the Architect/Engineer and the Owner's
19 representatives.
20 2. The time .of the final inspection shall be mutually agreed to by the Owner,
21 Engineer, and Contractor.
22 3. The Contractor shall furnish adequate staff to operate the mechanical systems
23 during inspection.
24 3.04 OPERATION AND MAINTENANCE TRAINING
25 A. .Upon completion of the work, and' after all tests and final inspection of the work by the
26 Authority(s) having jurisdiction, the Contractor shall demonstrate and instruct the Owner's
27 designated operation and maintenance personnel in the operation and maintenance of
28 the various mechanical systems. The Contractor shall arrange scheduled instruction
29 periods with the Owner. The Contractor's representatives shall be Superintendents or
30 Foremen knowledgeable in each system and Supplier's Representative when so
31 specified.
32 B. Scheduled instruction periods shall be:
33 HVAC System Controls See Section 15970
34 HVAC Equipment Maintenance 8 Hours
35 Plumbing Equipment 4 Hours
36 Boiler Start-Up and
37 Training with Factory Rep See Section 15557
38 Pump Package See Section 15454 .
39 C. Costs for time involved by Contractor shall be included in the bid.
40 3.05 PREPARATION
41 A. New Buildings: Each Section of this Division shall bear expense of cutting, patching,
42 repairing, and replacing of work of other Sections required because of its fault, error,
43 tardiness, or because of damage done by it.
(ridgeline ms] 15055 - 10 GENERAL MECHANICAL REQUIREMENTS 15055 - 10
1 3.06 INSTALLATION
2:. A. Install mechanical equipment to permit easy access for normal maintenance, and so that
3 parts requiring periodic replacement or maintenance, (e.g., coils, heat exchanger
4 bundles, sheaves, filters, motors, bearings, etc:) can be removed. Relocate items, which .
5 interfere with access.
6 B. Provide .access doors in equipment, ducts, and. walls/ceilings as required to allow-for
7 ~ inspection and .proper maintenance.
8 C. Valves, damper operators, and other devices which are manually adjusted or operated
9 shall be located so as to be easily accessible by a.person standing on the floor. Any such
10 items which are not in the open shall be made accessible through access openings in the
11 building construction.
12 D. Gauges, thermometers, instrumentation and other components which are installed to .
13 monitor equipment performance,-operating conditions, etc:, shall be oriented so as to be
14 easily read by a person standing on the floor. Provide necessary brackets and hangers
15 as needed.
16 E. If circumstances at a particular location. make the accessible installation of an item
17 difficult or inconvenient, the situation shall be discussed with the Architect/Engineer
18 before installing the item in a poor access location.
19 F. Belts, pulleys, couplings, projecting set screws, keys and other rotating parts which may '
20 pose a danger to personnel, shall be fully enclosed or guarded in accordance with OSHA
21 regulations. '. ~
22 ~ , G. 'Dissimilar Metals: Provide separations between all dissimilar metals. Where not
23 specified in .another way, use 10 mil black plastic tape wrapped at point of contact or ~ ;
24 - plastic centering inserts.
25 H. Provide offsets around all electrical panels (and similar electrical equipment) to maintain .
26 .space clear above and below panel to structure and clearance of 3.5 feet directly in front
27 . of panel, except where indicated otherwise or required by NEC to be more. Such offsets
28 are typically not shown on the drawings, but are required per this paragraph.
29 I. PipincLThrough Framing: Piping through framing shall be installed in the approximate '
30 center of the member. Where located such that nails or screws are likely to damage the
31 pipe, a steel plate at least 1/16-inch thick shall be installed to provide protection. At metal
32 framing, wrap piping to prevent contact of dissimilar metals. At metal and wood framing,
33 provide plastic pipe insulators at piping penetrations through framing nearest each fixture
34 and on at least 48-inch centers. ~
35 J. Safety Protection: All ductwork, piping and related items installed by this Contractor that .
36 present a safety hazard (i.e., items installed at/near head height, items projecting into L
37 maintenance access paths, etc.) shall be covered (at hazardous area) with 3/4" thick
38 elastomeric insulation and 2" wide reflective red/white striped self-sticking safety tape.
39 K. Equipment Access: Access to equipment is of utmost importance. Contractor shall apply
40 extra attention to the laying. out of pipe and duct routings, and in coordinating all work.
41 Poor access to equipment will not be accepted. Contractor shall note that in essentially
42 _ all areas, piping routed in ceiling space needs to run in joist space, necessitating
43 elbows/fittings/transitions at crosses with other trades, at structural beams, and at all
44 connections to mains and branches. Hatched areas at HVAC units indicate equipment
45 access areas. These (and all other) access .areas shall be clear of obstructions. The
46 Division 15 Contractor is responsible to coordinate and ensure that all trades stay clear of '
47 access areas for any Division 15 furnished equipment.
(ridgeline msJ 15055. - 11
GENERAL MECHANICAL REQUIREMENTS
15055.- 11
1 L. Ensure that items to be furnished fit space available. Make necessary field
2 measurements to ascertain space requirements including those for connections and '
3 furnish and install equipment of size and shape so final installation shall suit true intent
4 and meaning of Contract Documents.
5 3.07 CONCRETE BASES
6 A. Provide a 3-inch high "minimum" concrete base under boilers, hot water tanks, floor
7 mounted pumps located in mechanical/utilities spaces. Provide 6" thick structural
8 concrete .pad for equipment located outside the building or as detailed on drawings. '
9 3.08 .ADJUSTMENT AND CLEANING
10 A. Properly lubricate equipment before Owner's acceptance.
11 B. Clean exposed piping, ductwork, equipment, and fixtures, :remove debris from site.
12 Repair damaged finishes and leave everything in working order.
13 C. Remove stickers from fixtures and adjust flush valves. I
14 3.09 PAINTING
15 A. Paint all exposed pieces of .equipment if not factory finished or painted under. the I
16 Architectural Section of these specifications. Paint shall be one coat primer and two
17 coats enamel color as directed by the Architect. .
18 3.10 REQUESTS FOR INFORMATION IRFI) '
19 A. It is our intent to provide a timely response for RFIs regarding- Division 15 Work. To
20 further expedite this process, if a suggestion can be determined or derived at by the
21 initiator of the RFI, it is required this suggestion be supplied with the submitted RFI. If no '
22 suggestion is given where one is possible, the RFI will be returned as incomplete.
23 END OF SECTION 15055 '
(ridgeline ms] 15055 - 12 GENERAL MECHANICAL REQUIREMENTS 15055 - 12 I
1 SECTION 15060 -PIPE AND FITTINGS
2 PART 1 -GENERAL
' 3 1.01 GENERAL
4 A. Includes, but not limited to, general piping installation procedures for domestic water
5 systems.
6 1.02 RELATED SECTIONS
7 ~ A. General Conditions, Division 1
' 8 B. Section 15055 -.General .Mechanical Requirements. .
9 C. Section 15095 -Hangers and Supports.
' 10 D. Section 15120 -Piping Specialties
11 E. Section 15200 -Sleeves and Seals.
' 12 F. Section 15412 -Soil, Waste, and Vent Piping System. ~ '
13 1.03 SUBMITTAL REQUIREMENTS OF THIS SECTION
14 A. Pipe ~ ~ '
15
';
B. Solder
16 1.04 REFERENCES
17 I
A. ASTM E814: Fire Tests of Through-Penetration Fire Stops.
18 B. ~ UL 1479: Through-Penetration Fire Stop Systems.
i
19 PART 2 -'PRODUCTS .
20 2.01 PIPE (FOR POTABLE SYSTEMS)
'.
21 i~
A. Type "K" Copper (for piping under ground)
22
23 B. Type "L" Copper (for piping above ground)
2
02 CONDENSATE PIPING
.
24 A. Schedule 40 PVC
' 25 B. Copper if installed in air plenum. ~
26 C. Copper if penetrating a firewall.
27 i.
PART 3 -EXECUTION
28 3.01 INSTALLATION OF PIPING AND FITTINGS
'
29 j
A. Furnish and install. complete system of piping, valved as indicated or as necessary to
30 completely control entire apparatus. Pipe drawings are diagrammatic and' indicate
31 general location and connections. Piping may .have to be offset, lowered, or raised as
' 32
' required or directed at site. This does not relieve this Division from responsibility for
33 proper erection of systems of piping in every respect..
' (ridgeline msJ 15060 - 7 PIPE AND FITTINGS 15060 - 7 ~ 1
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
B. Properly make adequate provisions for expansion, contraction, slope, and anchorage.
1. Cut piping accurately for fabrication to measurements established at site and
work into place without springing or forcing.
2. Remove burr and cutting slag from pipes. ..
3. Make changes in direction with proper fittings.
C. Install piping at such heights and in such a manner as to not interfere with removal of
other equipment, ducts, or devices, or block access to doors, windows, or access
openings. Provide accessible, ground joint unions in piping at connections to equipment.
D. Coordinate installation of piping with all trades which are affected by installation to avoid
conflicts.
E. Consult all drawings for location of pipe spaces, ducts, electrical equipment, ceiling
heights, door openings, window openings, and other details and report discrepancies or
possible conflicts to Architect/Engineer before installing pipe.
F. Allow sufficient clearances for installation of pipe insulation in thickness specified. If
interferences occur, reroute piping to accommodate insulation.
G. Make connections of dissimilar metals with insulating couplings. (di-electric unions). See
Section 15120 -Piping Specialties.
H. Cap or plug open ends of pipes and equipment to keep dirt and other foreign materials
out of system. Do not use plugs of rags, wool, cotton waste, or similar materials.
I. Do not use reducing bushings, street elbows, or close nipples.
J. T-drill procedure for connecting pipes will not be allowed.
K. Wrought tees shall be used on all branch piping and branch to main connections.
L. Bury water piping 6 inches minimum below bottom of slab and encase in 2 inches
minimum of sand.
M. Solder for potable water pipes shall be of a lead free type and shall conform to current
UPC standards for solder and all local code requirements.
1. Approved Manufacturers:
a. Canfield
b. J.W. Harris
c. Aqua-Clean
N. All piping in finished areas shall be installed concealed unless specifically noted
otherwise.
O. Pitch all piping and provide drain valves so that all piping and equipment can be drained.
P. Provide escutcheons where pipe passes through walls, floors, or ceilings.
Q. Install all exposed. piping parallel to the closest wall and in a neat, workmanlike manner.
3.02 DOMESTIC WATER PIPING TESTS AND STERILIZATION
A. Tests: As the work progresses each section of the water system shall be tested under a
125psi hydrostatic test held for 24 hours without reduction of pressure. If any leaks occur
or piping or valves are found to be defective, same shall be removed and new material
installed, and the test made on that section again until all material is found to be
satisfactory. Such test shall be made in the presence of the Owner's Representative.
jridgeline msJ 15060 - 2
PIPE AND FITTINGS
15060 - 2 '
1 B. Flushing and Chlorination: All piping shall be flushed to remove all dirt and foreign
2 material. After flushing, all piping shall be chlorinated in accordance with regulations of
3 ~ the Washington State Health Dept. After the contact period, the chlorine shall be drained
4 from the piping and the piping flushed. The Contractor will take samples for
5 bacteriological analysis. The water analysis must be satisfactory before piping is
6 acceptable. .
7 END OF SECTION 15060
~ridgeiine msJ 15060 - 3
PIPE AND FITTINGS
15060 -~ 3
1 i
~ ~
1 SECTION 95065 -EXCAVATION AND BACKFILL FOR MECHANICAL
' 2 UNDERGROUND UTILITIES
' 3 PART 1 -GENERAL
4 1.01 GENERAL INCLUDES
5 A Excavation and Associated Grading. ,
6 B. Trenching and Trench Protection.
7
8 C.
D Backfilling and Compaction.
V
if
ti
f E
i
ti
Utiliti
. er
ica
on o
x
s
ng
es.
9 E. Protection of Utilities.
' 10 1.02 RELATED SECTIONS •
11 A. Section 15060 -Pipe and Fittings
' 12 B. Section 15330 -Wet Pipe Automatic Fire Sprinkler Systems ,
13 C. Section 15335 -Dry Pipe Automatic Fire Sprinkler Systems
14 D. Section 15340 -Private Fire Service Mains
15 E. Section 15412 -Soil, Waste and Vent Piping System
,
16 F, Section 15487 -Natural Gas
f
' 17 G. ~ Section 15488-LPG Gas
18 1.03 ~ QUALITY ASSURANCE
' 19 A. Inspection of Job Conditions:' Prior to starting work and during work, the installer shall
20 examine the work by others, site and job conditions under which excavation, trenching,
21 and backfilling for underground utilities work will be performed, and notify the General
' 22 Contractor in writing of unsatisfactory conditions or work. Do not proceed with work until
23 unsatisfactory conditions have been corrected in a manner acceptable to the Installer.
,
24
25 B. Codes and Standards: Comply with requirements of the following codes and standards
(Latest Edition) except as modified herein:
26 1. International Conference of Building Officials, "Uniform Building Code".
27 2. Local requirements for all utility work. ,
28 3. OSHA and WISHA regulations. '
29 4. APWA Standard Specifications.
30 1.04 RESPONSIBILITY ,
' 31 A. The Contractor is solely responsible for compliance with the requirements of the
32 drawings, specifications, local codes and standards, proper construction coordination
33 with work of other trades, and protection and worker's safety. Contractor shall advise
' 34 Design Consultant of any discrepancy in, or disagreement with the specifications and/or !
35 ~
drawings prior to starting work and not proceed until issue is resolved. Commencement
36 of work shall indicate Contractor's acknowledgement of his expertise in this type of work.
.~
37 Any delay resulting from failure to comply with this procedure will not be basis for an '
38 •
extension of the completion date.
• _
!~
EXCAVATION AND BACKFILL FOR
(ridgeline msJ 15065 - 1 .MECHANICAL UNDERGROUND UTILITIES 15065 - 1
1 1.05 APPLICABLE PUBLICATIONS
2 A. The publications listed below form a part of this specification to the extent referenced.
3 B. American Society of Testing and materials (ASTM) publications:
4 D 422-63 Particle Size Analysis of Soils.
5 D 423-66 Liquid Limit of Soils.
6 D 424-59 Plastic Limit and Plasticity Index of Soils.
7 D 1557-78 Moisture Density Relations of Soils -using a 10 Ib. (4.54kg) Rammer and
8 18 inch (457 mm) Drop.
9 D 2167-66 Density of Soil In-Place by the Rubber Balloon Method.
10 D 2217-66 Wet preparation of Soil Samples for Particle-Size Analysis and
11 Determination of Soil Contents.
12 D 2487-69 Classification of Soils for Engineering Purposes.
13 D 2922-81 Test Methods for Density of Soil and Soil-Aggregate In Place by Nuclear
14 Methods (Shallow Depth).
15 E 548-79 Generic Criteria for Use in the Evaluation of Testing and Inspection
16 Agencies.
17 PART 2 -MATERIALS
18 2.01 SATISFACTORY MATERIALS
19 A. Materials classified as ASTM D2487, Unified Soil Classification System as SW, SP, GW,
20 ~ and GP are satisfactory for backfill use. Materials classified as SP-SM, GP-GM, GM, GC
21 and ML are also satisfactory for backfill use provided that they contain moisture contents
22 suitable for the intended use and are reasonably free of organic matter. Native material,
23 .not considered unsatisfactory as specified below, may comply. Except that no material
24 shall have any object with a dimension exceeding 2 inches.
25 2.02 UNSATISFACTORY MATERIALS
26 A. Materials classified in ASTM D2487, Unified Soil Classification System as PT, OH, and
27 OL are unsatisfactory. Unsatisfactory materials also include man-made fills, refuse and
28 all materials containing excessive organic matter or having moisture contents which are
29 not suitable for the intended use, or having objects with dimensions exceeding 2 inches
30 (boulders, etc.).
31 2.03 UNSTABLE MATERIAL
32 A. Unstable material shall consist of material too wet to properly support the utility pipe,
33 conduit or appurtenance structure.
34 2.04 GRAVELLY SAND BORROW MATERIAL
35 A. Gravelly sand borrow material to provide backfill, or replace unsuitable soil, shall meet
36 the requirements of SW, SP, GW, and GP materials, except that the maximum
37 .percentage passing the No. 200 sieve shall not exceed 5% based on the soil fraction
38 passing the U.S. No. 4 sieve, and not contain discrete particles greater than 2 inches in
39 diameter.
40 2.05 DEGREE OF COMPACTION
41 A. Degree of compaction shall be expressed as a percentage of the maximum density
42 obtained by the test procedure presented in ASTM D1557, Method D. Minimum
43 compaction requirements shall be as specified in PART 3.
EXCAVATION AND BACKFILL FOR
(ridgeline ms] 15065 - 2 MECHANICAL UNDERGROUND UTILITIES 15065 - 2
1 2.06 DRAINAGE GRAVEL
2 A. .Shall be 3/4 inch washed gravel with no more than 2% passing 1/2 inch sieve opening.
3 2.07 SPECIAL BEDDING AND INITIAL BACKFILL MATERIAL
4 A. Minus 3/8 inch washed pea gravel.
5 PART 3 -EXECUTION
6 3.01 EXCAVATION
7 A. If workers enter any trench or other excavation four or more feet in depth that does not
8 meet the open pit requirements of WSDOT Section 2.09.3(3)B, it shall be shored and
' 9 cribbed. The Contractor alone shall be responsible for worker safety. All trench safety
10 systems shall meet the requirements of the Washington Industrial Safety and Health Act,
1 T Chapter 49.17 RCW.
i . 12 B. Excavation of every description and of whatever substances encountered shall be
13 performed to allow the installation of all utilities at the lines and grades as required.
14 During excavation, material satisfactory for backfilling shall be stockpiled in an orderly
' 15 manner at a distance from the banks of the trench sufficient to avoid overloading and to
16 prevent slides or cave-ins. Adequate drainage shall be provided for the stockpiles and
17 surrounding areas by means of ditches, dikes, or other approved methods. The
' 18 stockpiles shall also be .protected from contamination with unsatisfactory excavated
19 material or other material that may destroy the quality and fitness of the suitable
20 stockpiled material.
' 21 C. If the Contractor fails to protect the stockpiles and any material becomes unsatisfactory
22 as a result, such material shall be removed and replaced with satisfactory on-site or
23 imported material from approved sources at no additional cost to the Owner.
' 24 D. Excavated material not required or not satisfactory for backfill shall be removed from the
25 site and shall be disposed of off site, at the Contractor's expense, at the Contractor-'s
26 waste area.. Any excess satisfactory excavated materials shall not be mixed with
27 unsatisfactory materials. Unsatisfactory materials shall not cover available suitable
28 materials, or be disposed of in such a manner as to interfere with subsequent borrow
29 operations.
' 30 E. Grading shall be done as may be necessary to prevent surface water from flowing into
31 the excavation, and any water accumulating therein shall be removed so that the stability
32 of the bottom and sides of the excavation is maintained. Unauthorized over-excavation
33 shall be backfilled in accordance with paragraph 3.05 BACKFILLIING at no additional
34 cost to the. Owner..
35 F. The Contractor shall provide any dewatering needed and is considered incidental to the
r 36 Contract.
~ 37 3.02 TRENCH EXCAVATION
' 38 A. The trench shall be excavated as recommended by the manufacturer of the pipe to be
39 installed unless shown otherwise on the drawings. Where recommended trench widths
40 are exceeded, redesign shall be performed by the Contractor using stronger pipe or
41 special installation procedures. The cost of this redesign and the increased pipe or
42 installation procedures shall be borne by the Contractor without additional cost to the
43 Owner.
EXCAVATION AND BACKFILL FOR
' (ridgeline msJ 15065 - 3 MECHANICAL UNDERGROUND UTILITIES
15065 - 3
1 B. Bottom Preparation: The bottoms of trenches shall be accurately graded to provide
2 uniform bearing and support for the bottom quadrant of each section of the pipe and for
3 bedding. Bell holes shall be excavated to the necessary size at each joint or coupling to
4 eliminate point bearing. Stones of 2 inches or greater in any dimension, or as
5 recommended by the pipe manufacturer, whichever is smaller, shall be removed to avoid
6 point bearing.
7 C. Removal of Unsuitable Material: Where unsuitable material is encountered in the bottom
8 of the trench, such material shall be removed to the depth directed and replaced to the
9 proper grade with select granular material as provided in paragraph 3.05 BACKFILLING.
10 When removal of unsuitable material is .required due to the fault or neglect of the
11 Contractor in his performance of the work, the resulting material shall be excavated and
12 replaced by the Contractor without additional cost to the Owner.
13 D. Bedding: The bedding surface for the pipe .shall provide a firm foundation of uniform
14 density throughout the entire length of the pipe. The pipe shall be bedded carefully in a
15 soil foundation accurately shaped and rounded to conform to the lowest one-fourth of the
16 outside portion of circular pipe or to the lower curved portion of pipe arch for the entire
17 length of pipe or arch. When necessary, the bedding shall be taped. Bell holes and
18 depressions for joints shall be only of such length, depth and width as required for
19 properly making the particular type joint. Provide bedding using pea gravel where noted
20 on the drawings.
21 3.03 EXCAVATION FOR APPURTENANCES
22 A. Excavation for manholes, catch basins, inlets, or similar structures below be sufficient to
23 leave at least 12 inches clear between the outer structure surfaces and the face of the
24 excavation or support members. When concrete or masonry is to be placed in an
25 excavated area, special care shall be taken not to disturb the bottom of the excavation.
26 Excavation to the final grade level shall not be made until just before the concrete or
27 masonry is to be placed.
28 3.04 JACKING, BORING, AND TUNNELING
29 A. Unless otherwise indicated, excavation shall be by open cut, except that sections of a
30 trench may be jacked, bored, or tunneled if the pipe, cable or duct can be safely and
31 properly installed and backfill can be properly tamped in such sections.
32 3.05 BACKFILLING
33 A. Backfill material shall be compacted to 6" layers and as specified in Paragraph 3.07.
34 1. Trench Backfill: Trenches shall be backfilled to finish grade. The trench shall be
35 backfilled to above the top of pipe prior to performing the required pressure tests
36 (except that where piping requires insulation, the pipe shall have an initial test
37 prior to insulating and then a final test as specified herein). The joints and
38 couplings shall be left uncovered during the pressure test.
39 2. Replacement of Unstable Material: Unstable material removed from the bottom of
40 the trench of excavation shall be replaced with select granular material or gravel
41 borrow placed in layers not exceeding 6 inches loose thickness.
42. 3. Bedding and Initial Backfill: Bedding shall consist of satisfactory materials. Initial
43 backfill shall be in 6 inch lift.
44 3.06 SPECIAL REQUIREMENTS
45 A. Special requirements for excavation, backfill, and bedding relating to the specific utilities
46 are as follows:
47 1. Combination Fire/Water Lines: Trenches shall be a depth to provide a minimum
48 cover of 3.5 feet from the existing ground surface, or from the indicated finished
EXCAVATION AND BACKFILL FOR
(ricigeline ms] 15065 - 4 MECHANICAL UNDERGROUND UTILITIES 15065 - 4
1
1
1
1
1
1
1
1
1
1 grade, whichever is lower, to the top of the pipe. Bedding shall use "special
2 bedding" materials as specified in paragraph 2.07.
3 2. Domestic Water Lines: Trenches shall be of a depth to provide a minimum cover
4 of 3.0 feet from the existing ground surface, or from the indicated finished grade,
5 whichever is lower, to the top of the pipe. Except that branch lines serving
6 individual fixtures within building footprint shall have minimum of 1.0 foot cover.
7 Bedding shall use "special bedding" materials as specified in paragraph 2.07.
8 3. Backflow Preventer Fire Vault: Provide special bedding as specified in this
9 Specification Section.
10 4. Chilled Water Lines: Provide special bedding as specified in this Specification
11 Section.
12 5. Where piping passes under footings, provide concrete fill starting 12 inches
13 above pipe for excavated length and width of footing above pipe for footing
14 support. Concrete specification shall match same provided for footing.
15 3.07 COMPACTION
16 A. Each layer of fill, or the excavated subgrade, shall be compacted to at least 95%, per
17 ASTM D1557, of laboratory maximum density. Compaction shall be accomplished by
18 approved tamping rollers, pneumatic-tired rollers, three-wheel power rollers, or other
19 approved compaction equipment:
20 3.08 PROTECTION
21 A. Newly graded excavated or bedded areas shall be protected from traffic and from
22 erosion, and any settlement or washing away that may occur from any cause, prior to
23 acceptance, shall be repaired and grades reestablished to the required elevations and
24 slopes.
25 END OF SECTION 95065
jridgeline ms] 15065 - 5
EXCAVATION AND BACKFILL FOR
MECHANICAL UNDERGROUND UTILITIES
15065 - 5
1 SECTION 15095 -HANGERS AND SUPPORTS
'. .
2 PART1-GENERAL
3 1.01 GENERAL
4 A. Includes:
' 5 1. Pipe Hangers and Supports
6 2. Duct Hangers and Supports
' 7
8 3. Mechanical Equipment Anchors and Supports
1
02 RELATED SECTIONS
. .
9 A. All Division 15 using piping, ductwork, equipment and air terminals.
10 1.03 QUALITY ASSURANCE
11 A. Pipe Hanger Standards: (MSS) Manufacturers Standardization Society Standards SP-
' 12 58-1975, SP-89-1978, and SP-69-1976.
13 B. All methods, materials, and workmanship shall conform to the International Building Code
14 and International Mechanical Code, as amended and adopted by the authority having
15. jurisdiction.
. 16 1.04 SUBMITTAL REQUIREMENTS OF THIS SECTION
17
18 A. Hangers.
B
St
t
.
ru
s.
19 ~ C. Anchors:
' 20 D. Shop drawings are required for all equipment supports and fabricated supports or
21 assemblies.
' ~
22 PART 2 -PRODUCTS
23
24 2.01 ACCEPTABLE MANUFACTURERS
A
Han
ers and S
rt
El
G
i
ell
B
Li
S
t
Uni
t
.
g
uppo
s:
cen,
r
nn
,
-
ne
ys
ems;
s
rut, Michigan, Tolco, PHD.
25 ~ B. Anchors: Rawplug, Phillips, Hilti, Michigan.
26 2.02 ~ GENERAL HANGERS AND SUPPORTS
27 A. Hanger Rods: Threaded hot rolled steel, electro-galvanized or cadmium plated. Hanger
. 28 rods shall be sized so that the total load (including pipe or duct, insulation, hangers, and`
29 fluid) does not exceed the following:
Nominal Rod Diameter Maximum Load
3/8 Inch ~ 610 Pouhds
' , 1/2 Inch 1130 Pounds
30 B. Hanger Straps: Galvanized steel. Straps shall be sized sa that the total load does not
31 exceed the following:
Strap Size Maximum Load
1" x 22 Gauge ~ ~ 230 Pounds
1" x 20 Gauge ~ 290 Pounds .
' 1" x 18 Gauge 380 Pounds - .
1" x 16 Gauge 630 Pounds
~ridgeline msJ 95095 - 1 HANGERS AND SUPPORTS 15095 - 1
1 C. Beam Attachments: Shall be of the following type:
MSS Type Elcen Figure No. Grinnel Figure No.
21 33, 34 131
22 67 66
23 29A 87
- 28 95 292, 228
30 95 229
2 D. Anchors: Masonry anchors shall be Phillips wedge anchors, Phillips "Red Head" or Rawl
3 "Saber-Tooth".
4 E. Steel: Structural steel per ASTM A36.
5 F. Wood: Shall be fire treated.
6 2.03 PIPE HANGERS AND SUPPORTS .
7 A. All hangers used directly on copper pipe shall be copper plated or have a factory applied
8 1116-inch thick (minimum) plastic coating on all contact surfaces.
9 B. All other hangers, supports, and hardware shall be cadmium plated or galvanized.
10 C. Fire sprinkler supports shall comply with NFPA-13.
11 D. Pipe Hangers and Supports: Shall be of the following type (numbers are 'MSS'):
Maximum System Temperature Insulated Pipe Type
120 to 450 Degrees 1, 3, 7, 9, 10, 41, 42, 43, 44, 45, 46, E
60 to 120 Degrees 1, 3, 7, 9, 10
33 to 59 Degrees 1, 3, 5, 7, 9, 10, 41, 42, 43, 44, 45, 46, E
12 E. Vertical Pipe Supports: MSS Type 8 riser clamp (elcen Fig. 39 and 339; Grinnel Fig. 261
13 and 261 C).
14 F. Trapeze Hangers: Shall be constructed of carbon steel angles, channels, or other
15 structural shapes with flat surface for point of support. Trapeze hangers shall be
16 supported with hanger rods suspended from concrete inserts or approved structural clips.
17 Provide a steel washer plate (Elcen Fig. 84 or equal) where hanger rod nuts bear on
18 trapeze hanger.
19 G. Insulated Pipe Supports and Insulation Shields:
20 1. Insulation material at pipe support shall consist of expanded perlite insert with
21 flame resistant jacket of nylon reinforced kraft paper bonded to aluminum foil
22 cover on insulation, with sheet metal shield. Expanded perlite shall have no
23 more than 5% deformation at 100 psi and a thermal conductivity no more than
24 0.32 Btu/hr./sq. ft./degree F/1-inch thick.
25 2. Expanded perlite insert shall be same thickness as adjoining pipe insulation and
26 sized to match pipe in which it is used on. See Section 15261 for insulation
27 sizes. -
28 3. Provide shield per Section 15120 Piping Specialties.
29 4. Manufacturer: Michigan~Hanger Company, Model Nos. 1031 and 4031..
30 2.04 DUCT HANGERS AND SUPPORTS
31 A. Hangers: As shown in SMACNA HVAC Duct Construction Standards.
32 B. Vertical Duct Supports at Floor: 1-1/2" x 1-1/2" x 1/8" (minimum) galvanized steel angle
33 and to support ducts, as shown in SMACNA HVAC Duct Construction Standards Figure
34 4-6.' For ducts over 30 inches wide, provide riser reinforcing with hanger rods between
35 ~ the riser support and riser reinforcing.
(ridgeline msJ 15095 - 2 HANGERS AND SUPPORTS 15095 - 2
~.
1 C. Vertical Duct Supports at Wall: 1-1/2" x 1/8" (minimum) strap or 1-1/2" x 1-1/2" x 1/8"
2 (minimum) angle bracket and as shown in SMACNA HVAC Duct Construction Standards
3 Figure 4-7.
' 4
S D. Hanger Attachments to Structure: As shown in SMACNA HVAC Duct Construction
Standard Figures 4-1, 4-2, 4-3 to suit building construction and as allowed on structural
6 drawings. Where C-clamps are provided, retainer clips shall be used. Friction beam
7 clamps shall not be used.
' 8 E. Hanger Attachments to Ducts: As shown in SMACNA HVAC Duct Construction
9 Standards Figure 4-4.
'
10 PART 3 -EXECUTION
' 11
12 3.01 INSTALLATION -GENERAL.
A. Provide all necessary bolts, nuts, washers, turnbuckles, rod connectors, and any other
13 miscellaneous accessories required for the support and anchoring of all pipes, ducts, and
' 14
15 ~
B mechanical equipment.
. Install steel or wood backing in walls (anchored to studs) as required to provide support
16 for items hung from walls.
17 ~ C. Install concrete inserts and anchors in accordance with manufacturer's instructions.
18 D. All welded steel support assemblies shall have a power wire brush and primer paint
19 finish.
' 20 E. Attach to building structure as shown on drawings (reference structural drawings).
21 F. Maximum spans between piping supports may be significantly less than the maximum
' 22 spans allowed herein due to structural limitations of allowable loads on hangers. The
23 most restrictive criteria governs. Reference structural drawings.
24 3.02 INSTALLATION OF PIPE HANGERS AND SUPPORTS
' 25 A. Pipe which is not run underground, shall be adequately anchored to the structure to
26 prevent sagging and to keep pipe in alignment.
27 ~ B. All pipe supports shall be provided with a means of adjustment for the aligning and
' , 28 leveling of the pipe after.installation, .
29 C. Installation and sizing of pipe supports and accessories shall be in accordance with the
30 manufacturers recommendations and standard MSS SP-89 and MSS SP-69, UBC 9-1 for
' 31 fire protection piping, UPC, and UMC. .
32 D. .Provide supports at each change in direction of piping; and on cast iron soil pipe at each
' 33 branch connection and at each side of concentrated loads.
34 E. Where mechanically coupled piping is used, a hanger shall be placed within 2 feet on
35 ~ each side of couplings, with hanger spacing in no case to exceed the following:
' Maximum Span Mechanically
Nominal Pipe Diameter Coupled Piping
3/ to 1 Inch 7 Feet
' 1 %4 to 1 % Inch 7 Feet
2 Inches 10 Feet.
2 % Inches 10 Feet
' 3 Inches and Larger 12 Feet
' ~ ~ridgeiine msJ 15096- 3 ~ HANGERS AND SUPPORTS 15095 - 3
1 NOTE: Manufacturer's support instructions shall be used where it is more restrictive than
2 the above. Above is for rigid coupled piping systems. Follow manufacturer's
3 requirements for flexible piping systems, except that in no case is spacing to be less than
4 the above.
5 F. Steel Pipe: Maximum spacing between supports:
Nominal Pipe Diameter Maximum Span Steel Pipe
'/2 Inch 6 Feet
3/< to 1 Inch (3/ Inch to 1 Inch`) 8 Feet
1 '/< to 2'/Z Inch (1 '/< Inch or Larger") 10 Feet
3 Inches and Larger 12 Feet
6 '`Gas piping.
7 G. Copper Tubing: Maximum spacing between supports:
Nominal Tubing Diameter Maximum Span Copper
'/z Inch 5 Feet
$/< to 1 %4 Inch 6 Feet
1 'h to 2'/z Inch 8 Feet
3 Inches and Larger 10 Feet
8 H. Cast Iron Soil Pipe: Maximum spacing between supports shall be 5 feet, except when
9 the pipe length between joints exceeds 5 feet, in which case the maximum spacing
10 between supports may be 10 feet.
11 I. No-Hub Cast Iron Soil Pipe: Shall be supported at every other joint, except when the
12 pipe length between joints exceeds 4 feet, in which case the pipe shall be supported at
13 each joint. Supports shall be provided at each horizontal branch connection and shall be
14 adjacent to couplings.
15 J. Four or more pipes running parallel may be supported on trapeze hangers provided the
16 slopes of such pipes allow use of common trapeze. Where trapeze width exceeds 24
17 inches, provide three (3) hanger rod supports.
18 K. Provide additional supports at concentrated loads (such as valves, in-line pumps,. etc.) on
19 each side of the toad. Such supports are in addition to the ones otherwise required.
20 L. Vertical Pipinq Supports: Support piping at each floor line with pipe clamps and at
21 intermediate points as required to prevent excessive pipe movement and so as to comply
22 with the maximum spacings cited above. Support all pipe stacks at their bases with a
23 concrete pier or suitable hanger. For vertical pipe drops which occur away from a wall or
24 similar anchoring surface, provide angled bracing from nearest structure to provide rigid
25 anchoring of pipe drop.
26 M. Insulated Pipe Supports and Insulation Shields: Protect insulated pipe at point of support
27 with pipe insert and shield as required by the following table:
Nominal Pipe Insulation Length Shield Length Minimum Shield
Diameter in Inches in Inches i in Inches Gauge
'/Zto2 - 6 6 20
2'/2to3% 6 6 18
4to5 9 8 18
6 to 10 9 8 16
28 Such supports shall be in place at the time of installing pipe.
29 N. Underground Pipe: Shall be evenly supported on approved bedding materials, as
30 specified for the type of piping being used. Such bedding and backfilling shall be as
31 specified in Section 15065.
(ridgeline msj 15095 - 4 HANGERS AND SUPPORTS 15095 - 4
1 O. Acid Waste Piping: Shall be supported 4 foot on center.
' . 2 P. At each pipe hanger and support device, provide with a double nut assembly or each side
3 of hanger. ~.
' 4 3.03 INSTALLATION OF DUCT HANGERS AND SUPPORTS
5 A. Provide anchors and supports for all ductwork.
' . 6
7 B. Rectangular Duct: Supports and hangers shall be of size and spacing as shown in
SMACNA HVAC Duct Construction Standards for the appropriate class of duct.
8 (Hangers maximum allowable loads shall not be as shown in SMACNA Tables but shall
9 be as specified in these specifications.)
' 10 C. Round Duct: Supports and hangers shall be of size and spacing as shown in SMACNA
11 HVAC Duct Construction Standards for the appropriate class of duct.
12 D. Maximum Hanger Spacing (provided duct gauge and reinforcement comply with
' 13 SMACNA Standards for such spacing):
Duct Area Maximum Spacing
Up to 4 sq. ft. (27" Diameter)- 8 Feet
' 4.1 to 10 sq. ft. (28" to 42" Diameter) 6 Feet
10.1 sq. ft: and up (43" Diameter and up) 4 Feet
14 E. Provide supports at each change in direction of duct. Locate hangers at inside and
' 15 outside corners of elbows, or at each end of fitting, on each side.
16 F. Provide additional supports at each side concentrated loads (such as modulating
' 17 dampers, duct heaters, sound attenuators, etc.)
18 G. Provide supports for exterior ductwork per SMACNA HVAC Duct Construction Standards
19 or as detailed on the drawings.
20 3.04 CEILING AIR TERMINALS/SERVICES
21 A. Ceiling mounted air terminals or services weighing less than 20 pounds shall be
22 positively attached to the ceiling suspension main runners or to cross runners with the
' 23 same carrying capacity as the main runners.
24 B. Terminals or services weighing 20 pounds but not more than 56 pounds in addition to the
25 above, shall have two No. 12 gauge hangers connected from the terminal or service to
26 the ceiling system hangers or to the structure above. These wires may be slack.
27 C. Terminals or services weighing more than 56 pounds shall be supported directly from the
' 28 structure above by approved hangers.
29 D. All air terminals that use. side inlet "plenums" or have fire dampers shall be sup orted
P
30 directly from the structure with approved hangers (regardless of total weight).
31 3.05 .INSTALLATION OF MECHANICAL EQUIPMENT ANCHORS AND SUPPORTS
32 A. Provide anchoring and supports for all mechanical equipment.
' 33 B. Heating, Ventilating and Air Conditioning equipment where suspended from structure
34 shall be supported per SMACNA HVAC Duct Construction Standards or as shown on the
35 drawings.
36 C. Roof mounted equipment shall be installed on roof curbs provided with the equipment
37 (unless indicated otherwise). Such equipment shall be anchored to the curb, with the
38 curb anchored to the building structure.
' 39 D. Equipment shall be supported and anchored in such a way so that no equipment
- 40 vibration is transmitted fo the building structure.
'. (ridgeline ms]~ 15095 -.5 HANGERS AND SUPPORTS 95095 - 5
1 E. Added supports and bracing shall be provided per Section 15240.
2 F. Provide curbing as shown on drawings and as required to support all mechanical
3 equipment.
4 G. Provide seismic restaint straps for• water heaters 40 gallons and above, maintain all
5 clearance requirements of water heaters manufacturer's recommendation.
6 END OF SECTION 15095
(ridgeline ms] 15095 - 6 HANGERS AND SUPPORTS 15095 - 6
~ '
2
3
4
' 5
6
' 7
8
D
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24.
25
26
27
28
29
30
31
32
33
34
35
36
37•
38
39
40
41
42
43
44
SECTION 15100 -VALVES
PART 1 -GENERAL
1.01 GENERAL
A, Includes, butt not limited to, valve installation for all systems with water.
1.02 QUALITY ASSURANCE
A. Comply with MSS SP-25.
1.03 SUBMITTAL REQUIREMENTS OF THIS SECTION
A. All. valve types.
PART 2 -.PRODUCTS .
2.01 VALVES
A. General: Provide factory-fabricated valves recommended by manufacturer for use in
service indicated. Provide valves of types and pressure rating indicated; provide proper
selection as determined by installer to comply with installation requirements. Provide
sizes as indicated, and connections which properly mate with pipe, tube, and equipment
connections. Where more than one type is indicated, selection is Installer's option.
Valves shall be of same make for all these services.
1. Gate Valves:
a. Packin4 -Select valves, equipped with packing suitable for intended
service. (Under no circumstances is asbestos acceptable.) Select
valves designed so back seating protects packing and stem threads from
media when valve is fully opened, and equipped with gland follower.
Guides for disc on rising stem valves must be machined for accurate.fit.
b. Comply with the following standards:
1) Cast-Iron Valves: MSS SP - 70
2) Bronze Valves: MSS SP - 80
c. For Domestic Water Service:
1) Threaded Ends 2" and Smaller: Class 125, bronze body,
screwed bonnet, rising stem, solid wedge: Nibco T-111,
Stockham 8100, Milwaukee 148 or equal. (Non-rising stem gate
valves may be. used where headroom prevents full extension of
rising stems: Nibco T-113, Stockham 6103, Milwaukee 105 or
equal.)
2) Flanged Ends 2-1/2" and Larger: Class 125, iron body, bronze
mounted, bolted bonnet, rising stem, OS&Y, solid wedge: Nibco
F617-0, Stockham G623, Milwaukee F2885 or equal.
3) Solder Ends 2" and Smaller: Class 125, bronze body, screwed
bonnet, rising stem, solid wedge: Nibco S-111, Stockham 8108,
Milwaukee 149 or equal. (Non-rising stem gate valves may be
used where headroom prevents full extension of rising stems:
Nibco S-113, Stockham 8104, Milwaukee 115 or equal.)
d. For HVAC Hydronic Water Service:
1) Threaded Ends 2" and Smaller: Class 125, bronze body, union
-bonnet, rising stem, solid wedge: Nibco T-124/134, Stockham
8105, Milwaukee 1152 or equal.
(ridgeline msJ 15100 - 1
VALVES
15100 - 1
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
2.
3.
~ridgeline msJ 15100 - 2
2) Flanged Ends 2-1/2" and Larger: Class 125, iron body, bronze
mounted, bolted bonnet, rising stem, OS&Y, solid wedge: Nibco
F617-0, Stockham G623, Milwaukee F2885 or equal.
3) Solder Ends 2" and Smaller: Class 125, bronze body, union
bonnet, rising stem, solid wedge: Nibco S-124/134, Stockham
8115, Milwaukee 1142 or equal.
e. Manufacturer: Subject to compliance with requirements, provide gate
valves of one of the following:
1) STOCKHAM VALVE
2) NIBCO
3) MILWAUKEE VALVE COMPANY
4) HAMMOND
Globe Valves:
a. Packin4 -Select valves, equipped with packing suitable for intended
service. (Under no circumstances is asbestos acceptable.) Select
valves designed so back seating protects packing and stem threads from
media when valve is~fully opened, and equipped with gland follower.
b. Composition Discs -Where required, provide suitable material for
intended service.
c. Comply with the following standards:
1) Cast-Iron Valves: MSS SP - 85
2) Bronze Valves: MSS SP - 80
d. For Domestic Water Service:
1) Threaded Ends 2" and Smaller: Class 125, bronze body, union
bonnet, rising stem, Teflon disc: Nibco T-211-Y, Stockham
B13-T, Milwaukee 590-T or equal.
2) Soldered Ends 2" and Smaller: Class 125, bronze body, screwed
bonnet, rising stem, bronze disc (swivel .type): Nibco S211-B,
Stockham B16, Milwaukee 1502 or equal.
3) Flanged Ends 2-1/2" and Larger: Class 125, iron body, bolted
bonnet, rising stem, OS&Y, renewable seat and disc: Nibco F-
718-B, Stockham G512, Milwaukee F2981 or equal.
e. For HVAC Hydronic Water Service:
1) Threaded Ends 2" and Smaller: Class 125, bronze body, union
bonnet, rising stem, Teflon disc: Nibco T-211-Y, Stockham
613-T, Milwaukee 590-T or equal.
2) Solder Ends 2" and Smaller: Class 125, bronze body, screwed
bonnet, rising stem, bronze disc (swivel type): Nibco S211-B,
Stockham B16, Milwaukee 1502 or equal.
3) Flanged Ends 2-1/2" and Larger: Class 125. iron body, bolted
bonnet, rising stem, OS&Y, renewable seat and disc: Nibco F-
718-B, Stockham G512, Milwaukee F2981, or equal.
f. Manufacturer: Subject to compliance with requirements, provide globe
valves of one of the following:
1) STOCKHAM VALVE
2) NIBCO
3) MILWAUKEE VALVE COMPANY
4) HAMMOND
Ball Valves:
a. General -Select with FULL port opening blow-out proof stem, handle
extension, hard chrome plated bronze ball, rated not less than 600#
W.O.G.
b. Comply with the following standards:
1) MSS SP-110 Ball Valves - THREADED, SOLDER JOINT
c. For Domestic Water Service:
VALVES
15100 - 2
1
2 1) Threaded Ends 4" and Smaller: 600# W.O.G., bronze two piece
body, hard chrome plated bronze ball, true adjustable packing
3 nut ("O"-ring only type stem seal not acceptable), blow-out proof
4 stem: HAMMOND 8301, Nibco T-585-70, Stockham S206-BR-
5 RT, Apollo 70-Series, ~'] or equal.
' 6 2) Soldered Ends 3" and Smaller: 600# W.O.G., bronze two piece
7 body, hard chrome plated bronze ball, true adjustable packing
8
9 nut ("O"-ring only type stem seal not acceptable), blow out proof
stem: HAMMOND 8311, Nibco S-585-70, Stockham S206-BR-
10 RT, Apollo 70-Series ['], Milwaukee. BA-150, or equal.
11 d. For HVAC Hydronic Water Service:
12 1) Threaded Ends 4" and Smaller: 600# W.O.G., bronze two. piece
13 body, hard chrome plated bronze ball, true adjustable packing
14 nut ("O"-ring only type stem seal not acceptable), blow-out proof
' 15
16 stem: HAMMOND 8301, Nibco T-585-70, Stockham 5206-BR-
RT, Apollo 70-Series ~"], Milwaukee BA-100, or equal.
17 2) Soldered Ends 3" and Smaller: 600# W.O.G., bronze two piece
18 body, hard chrome plated bronze ball, true adjustable packing .
19 nut ("O"-ring only type stem seal not acceptable), blow out proof
20 stem: HAMMOND 8311, Nibco S-585-70, Stockham S206-BR-
21 RT, Apollo 70-Series [*], Milwaukee BA-150, or equal.
22 e. Manufacturer: Subject to compliance with requirements, provide ball
23 valves of one of the following:
24 1) HAMMOND VALVE
25 2) STOCKHAM VALVE
t 26 3) NIBCO VALVE
27 4) APOLLO
28 4. Butterfly Valves:
29 a. General -Comply with MSS SP-67. Where butterfly valves are used as
' 30 shutoff for termination, or equipment removal or repair, select lug type
31 valves. Select wafer type valves for other applications. Provide gear
32
33 operators on butterfly valves 8" and larger. Valve bodies to have
extended necks to provide for 2-1/4'` insulation as needed. Install with
34 stems horizontal.
35 1) For HVAC Hydronic Water Service:
36 a) Wafer Type 3" and Larger: Rated Working Pressure of
37 200 psi on sizes 3"-12", ductile-iron body, lever
38 operated, 10-position throttling handle, bronze disc, type
39 410 stainless steel stem. EPDM seat.
40 b) Lug Type 3" and Larger: Rated Working Pressure of 200
41 psi on sizes 3"-12", ductile iron, drilled and tapped lug
42 body, lever operated, 10 position throttling handle,
43 bronze disc, type 410 stainless steel trim. EPDM seat.
t 44 c) Grooved Tvpe: Rated working pressure of 300 psi. 2" -
45 12" ductile iron body. Lever operated, 10 position
46 throttling handle, ductile iron, EPDM encapsulated, one
1 47 piece disc and stem.
48 2) Manufacturer: Subject to compliance requirements, provide
49 butterfly valves of one of the following: HAMMOND 6311 (Wafer
50 Type), 6211 (Lug Type), Stockham LG512 (Wafer), LG712 (Lug),
51 Milwaukee ML123 (Lug) MW123(VVafer), Nibco WD (Wafer), LD
52 (Lug), Victaulic Series 700 or 300 (Lug) or equal.
53 a) HAMMOND VALVE
1 54 b) STOCKHAM VALVE
55 c) MILWAUKEE VALVE COMPANY
' fridgeline msJ ?5100 - 3 VALVES ?5?00 - 3.
1 d) NIBCO
2 e) VICTAULIC
3 5. .Swing Check Valves:
4 a. General -Construct pressure containing parts of Valves as follows:
5 1) Bronze Valves, 125 or 150 psi: ANSI/ASTM B 62
6 2) Iron Body Valves: ANSI/ASTM A-126, Grade B
7 b. Comply with the following standards for design, workmanship, material
8 and testing:
9 1) Bronze Valves: MSS SP-80
10 2) Cast Iron Valves: MSS SP-71
11 c. Construct valves of pressure castings free of any impregnating materials.
12 d. Construct disc and hanger as one piece. Support hanger pins by
13 removable side plug.
14 1) For Domestic Water Service:
15 a) Threaded Ends 2" and Smaller: Class 125, bronze body,
16 screwed cap, 5 degree seated swing, bronze disc:
17 ~ HAMMOND IB904, Nibco T-4138, Stockham 8319,
18 Milwaukee 509 or equal.
19 b) Soldered Ends 2" and Smaller: Class 125, bronze body,
20 screwed cap, 5 degree seated swing, bronze disc:
21 HAMMOND IB912, Nibco S-4138, Stockham B309,
22 Milwaukee 1509 or equal.
23 c) Flanged Ends 2-1/2" and. Larger: Class 125, iron body,
24. bronze mounted, horizontal swing, cast-iron disc:
25 HAMMOND IR1124, Nibco F918-B, Stockham G931,
26 Milwaukee F2974 or equal.
27 d) Grooved Ends 2 '/" - 14": 300 psi pressure rating
28 ductile iron body. EPDM encapsulated disc with welded
29 in nickel seats, Victaulic Model #7160R77V.
30 2) For HVAC Hydronic Water:
31 a) Threaded Ends 2" and Smaller: Class 125, bronze body,
32 screwed cap, 5 degree seated swing, Teflon disc:
33 HAIVIMOND IB904, Nibco T-413Y, Stockham B320T,
34 Milwaukee 509 or equal.
35 b) Soldered Ends 2" and Smaller: Class 125, bronze body,
36 screwed cap, 5 degree seated swing, Teflon disc:
37 HAMMOND IB912, Nibco S-413Y, Stockham B310T,
38 Milwaukee 511 or equal.
39 c) Flanged Ends 2-1/2" and Larger: Class 125, iron body,
40 bronze mounted, horizontal swing, cast-iron disc:
41 HAMMOND IR1124, Nibco F918-B, Stockham G931,
42 ~ Milwaukee F2974 or equal.
43 d) Grooved Ends 2 '/" - 14": 300 psi pressure rating
44 ductile iron body. EPDM encapsulated disc with welded
45 in nickel seats, Victaulic Model #7160R77V.
46 3) Manufacturer: Subject to compliance with requirements, provide
47 Swing Check valves of one of the following:
48 a) HAMMOND VALVE ,
49 b) STOCKHAM VALVE
50 c) NIBCO VALVE
51 d) MILWAUKEE VALVE COMPANY
52 e) VICTAULIC
53 6. Wafer Check Valves:
54 a. General -Provide wafer style, butterfly type, spring actuated check
55 valves designed to be installed with gaskets between 2 standard Class
jridgeline ms] 95100 - 4 VALVES 15100 - 4
2
3
4
6
7
9
10
11
' 12
. 13
14
15
16
17
18
t 19
20
21
22
23
24
25
' 26
27
28
' 29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
' 50
51
52
53
1 54
(ridgeline msJ 15100 - 5
125 flanges. Construct iron body valves with pressure containing parts of
materials conforming to ANSI/ASTM A 126, Grade B. Support hanger pin
by removable side plug.
1) For Water Service:
. a) 2" and Larger: Class 125, cast iron body, stainless steel
trim, bronze disc, Buna-N seal: HAMMOND IR9253,
Nibco W920-W, Stockham WG9T0, Metraflex C-125,
or equal.
2) Manufacturer: Subject to compliance with requirements, provide
wafer check valves on one of the following:
a) WHEATLEY
b) HAMMOND VALVE
c) STOCKHAM VALVE
d) NIBCO
e) METRAFLEX
f) MILWAUKEE 1400 SERIES
Valve Features:
a. General -Provide valves with features indicated and where not otherwise
indicated, provide proper valve features as outlined in this specification.
Comply with ANSI B31.1.
1) Flanged: Valve flanged complying to ANSI B16.1 (cast iron),
ANSI B16.5 (steel), or ANSI 816.24 (bronze).
2) Threaded: Valve ends complying with ANSI B2.1.
3) Butt-Weld: Valve ends complying with ANSI 816.25.
4) Solder Joint: Valve ends complying with ANSI 816.18.
5) Flangeless: Valve bodies manufactured to fit between flanges
complying with ANSI 816.1 (cast iron), ANSI 816.5 (steel), or
ANSI 816.24 (bronze).
6) Wafer: Flangeless valves.
7) Trim: Fabricate pressure-containing components of valves;
including stems and seats from brass or bronze materials, of
standard alloy recognized in valve manufacturing that resists de-
zincification:
8) Non-Metallic Disc: Non-metallic material selected for service
. indicated in accordance with manufacturer's published literature.
9) Renewable Seat: Design seat of valve with removable disc, and
assemble valve so disc can be replaced when worn.
10) Bonnet: Part of gate or globe valve through which stem passes
to valve body, and attached to valve body by threads, bolts,
union, or welding.
11) Solid Wedge: One-piece tapered disc. in gate valve, designed for
contact with both sides.
12) Outside Screw and Yoke (OS&Y): Stem and handwheel
designed to rotate without rising when valve is operated from
closed to open position.
13) Tight Shutoff: Butterfly valve designed for flow regulation, and
manufactured to be tight in closed position. Test .pressures in
accordance with MSS SP-67 as follows: Seat 2-12" 220 psi. No
leakage permitted under test.
14) Low Leakage: Butterfly valve designed for flow regulation and
manufactured with minimum leakage tolerance in closed
position. .
15) Grooved.: Ductile iron body complying to ASTM A536 with a
PPS coating.
VALVES 15100 - 5
1 PART 3 -EXECUTION
2 3.01 INSTALLATION
3 A. General: Except as otherwise indicated, comply with the following requirements
4 B. Install valves where required for proper operation of piping and equipment, including
5 valves in branch lines where necessary to isolate sections of piping. Locate valves so as
6 to be accessible and so that separate support can be provided when necessary.
7 C. Install valves with stems pointed up, in vertical position where possible, but in no case
8 with stems pointed downward for horizontal plane unless unavoidable.
9 1. Applications Subject to Shock: Install valves with bodies of metal other than cast
10 iron where thermal or mechanical shock is indicated or can be expected to occur.
11 2. Selection of Valve Ends (Pipe Connections): Except as otherwise indicated,
12 select and install valves with the following ends or types of pipe/tube
13 connections:
14 a. Tube Size 2" and Smaller: Soldered-joint valves.
15 b. Pipe Size 2" and Smaller: One of the following at installer's option:
16 1) Threaded Valves
17 2) Grooved-end Valves
18 c. Pipe Size 2-1/2" and Larger: One of the following at installer's option:
19 1) Threaded end Valves
20 2) Butt-weld end Valves
21 3) Flanged end Valves
22 4) Wafer Type Valves
23 5) Mechanical joint end Valves
24 6) Grooved end Valves
25 3.02 INSTALLATION OF CHECK VALVES
26 A. Swing Check Valves: Install in horizontal position, unless otherwise shown on drawings,
27 with hinge, pin horizontally perpendicular to centerline of pipe. Install for proper direction
28 of flow.
29 3.03 VALVE DIAGRAM
30 A. Provide (2) Valve Diagrams showing the location of all valves relative to the floor plan of
31 the building. Each Valve Diagram shall be 11x17, hard laminated sheets. Each piping
32 system shall be in a unique color and a legend noting the system colors shall be placed
33 on the first page. Provide anon-laminated copy for the O&M Manual.
34 END OF SECTION 15100
(ridgeline msJ 15100 - 6 VALVES 15100 - 6
'`
1 SECTION 15120 -PIPING SPECIALTIES
2 PART 1 -GENERAL
3 1.01 GENERAL
4 A: Furnish devices as indicated with complete installation procedures for systems.
' 5 1.02 RELATED SECTIONS
6 A. General Conditions, Division 1
' 7
8 B. Section 15055 -General Mechanical Requirements
C
S
ti
15060
Pi
d Fitti
.
ec
on
pe an
-
ngs
9 D. Section 15065 -Excavation and Backfill for Mechanical Underground Utilities
1. 10 E. Section 15454 -Pumps
11 1.03 SUBMITTAL REQUIREMENTS OF THIS SECTION
12 A. Thermometers
13 B. Gauges
14 C. Strainers
15 D. Unions
'' 16
17 E. Flexible Connectors
F
T
P
i
.
rap
r
mers
18 G. Thermostatic Mixing Valves
' 19 H. Backflow Prevention Devices
20 I. Pressure Reducing Valves
'`, 21 J. Aquastats
' 22 PART 2 -PRODUCTS
,i 23 2.01 APPROVED MANUFACTURERS
24 A. Thermometers: Ashcroft, March, Taylor, Tel-Tru
~ 25 B. Pressure Gauges: Ashcroft, Marsh, Taylor, Tel-Tru
26 C. Strainers: Armstrong, Bell and Gossett, Hoffman, Wheatley, Victaulic
' 27 D. Flexible Connectors: Minnesota Flex, Resistoflex, Universal
28 E. Backflow Preventers: Ames, Febco, Wilkins, Zurn
~',
29
F. Aquastats: Bell &Gossett, Honeywell
30 G. Dielectric Unions: Walter Vallett Company V-line, Clear Flow. ,
' 31 2.02. THERMOMETERS
32 A. Adjustable angle type, 304 stainless steel stem, 5" reading dial type, true anti-parallax-
33 dial ,black numerals, markings in degrees F., stainless steel, double-strength glass
34 viewing window. Provide sockets with extension necks where installed on insulated
35 piping
' (ridgeline ms] 15120 - 1 PIPING SPECIALTIES 15120 - 1
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
2.03
2.04
2.05
2.06
B. Thermometer Temperature Ranges:
Increments
Measuring Range Degree F. Degree F
Domestic Cold Water 0 -100 1
Domestic Hot Water 30 -180 2
Chilled Hydronic Water 0 -140 2
Hot Hydronic Water 30 - 220 2
PRESSURE GAUGES
A. Glycerin filled type, 2 '/z' reading dial with aluminum face and black numerals, markings
in English units, 304 stainless steel case and acrylic lens. Provide each gauge with
snubber and needle valve. Provide sockets with extension necks where installed on
insulated piping.
B. Pressure gauge ranges: .
Numeral
Measuring Range PSIG Intervals Inter -Graduations
PSIG
Hydronic 0 -160 5' 1
Fire 0 - 250 50 5
Domestic Hot Water 0 -160 20 2
Domestic Cold Water 0 -160 20 2
Compressed Air 0 - 160 20 2
STRAINERS
A. Water Strainers: "Y" type, same size as the pipe in which they are installed, with cast
iron or semi-steel bodies rated for 125 psi working pressure, and with removable cover
and sediment basket. Basket screen shall be stainless steel or monel, with a net free
area of at least 3 times that of the entering pipe. Provide with blowdown valve where
shown on the drawings.
B. Air Strainers: Unless otherwise noted, air and gas line strainers shall be Y-pattern, iron
body, 250 psi working pressure, with 40 mesh Monel screen packed with Everdur wool.
Air line strainers shall be fitted with brass blowoff cock.
UNIONS
A. Dielectric Unions: Rated at 250 psi at 180 deg. F., conforming to ANSI 816.39. Type and
size to match piping.
B. Unions on Copper Pipe:
1. In 2-Inch Pipe and Smaller: Wrought copper solderjoint copper to copper union.
2. In 2-1/2-Inch Pipe and Larger: Brass flange unions.
C. Unions on Steel Pipe:
1. In 3-1/2-Inch Pipe and Smaller: Screwed malleable iron with ground joints, brass
to iron insert, 150 psi minimum working pressure.
2. In 4-Inch Pipe arid Larger: Flange unions, cast or malleable iron.
FLEXIBLE CONNECTORS
A. Water Pump Flexible Connectors: Neoprene twin sphere type, suitable for 225 psi
working pressure and 240°F. maximum temperature. Mason Industries or Minnesota Flex
same size as pipe installed in.
(ridgeline msJ 15120 - 2
PIPING SPECIALTIES
15120 - 2
'.
-
1 B. Air and Water Flexible Connectors: Corrugated hose type with outer braided wire sheath
,2 covering. Corrugations shall be close pitch annular type. Connector shall have a
' 3 minimum working pressure of 200 psig, minimum length of 12 inches (or 12 times the
4 -connector's nominal diameter, whichever is more), and screwed or ,flanged .end
5 connections. Metal for hose shall be stainless steel; braided sheath shall be 300 series
6 stainless steel
7 C. Three (3)'victaulic flexible.type couplings in close proximity
to rotating equipment such as
8 .
pumps and chillers when installed per the manufacturerslatest recommendations..
. 9 2.07 PIPE SHIELDS (SADDLES)
10 A. Saddles shall be minimum, 20 gauge dimpled galvanized sheet steel covering 40% of the
' 11 circumference of the insulation. Length shall be a minimum of 6".
12 2.08 TRAP PRIMERS
13 A. Provide an approved automatic trap primer at each floor drain, funnel drain, shower drain,
14 - janitor mop sink, and floor sink up to 4 traps, may be served by a single trap primer and
15 trap primer distribution system. Distribution system shall be Sioux Chief Manufacturing
16 model695-D20, 695-D30, 695-D40 or approved equal. Primers shall be concealed in
17 every case, located in pipe spaces or wall cavities; and where not accessible in a pipe
18 space, provide an access panel. Elevate trap primer at increments of 12" per 20L.F. of
19 pipe run to trap.
' 20 1. Sioux Chief Manufacturing
~ 21 ~ 2. JR Smith
22 3. Zurn
23 2.09 THERMOSTATIC MIXING VALVES
24 A. For showers and use with hot water tanks (see diagram):
25 1. Symmons 5-700-B-M
'~ - 26 2. Lawler Model 802, min: 2 GPM to 66 GPM at 30 psi drop. Furnish with cabinet.
27 Surface or recessed as indicated.
' 28 2.10 BACKFLOW PREVENTION DEVICES
~ 29 A. Provide letter of certification to Owner.
~ 30 B. Type and configuration shall conform to local authority requirements.
- 31 C. Backflow prevention devices requiring an air gap shall be provided with a Jr. Smith Model
32 3950 or approved equal.
33 2.11 ACID NEUTRALIZATION TANK
f 34 A. See Section 1544 - PI m i
0 u b ng Fixtures.
~ 35 2.12 PRESSURE REDUCING VALVES
, 36 A. Furnish for water service above 70 psi.
37 1. Type A: 1/2" through 2", adjustable pressure from 15-75 psi.
38 PART 3 -EXECUTION
39 3.01 INSTALLATION
40 A. Thermometers: Install thermometers and thermal .wells in piping at locations .indicated,
,' 41 and so as to be easily read.
.
'' ~ridgeline ms] 95120 - 3 PIPING SPECIALTIES 15120 - 3
1 B. Pressure Gauges: Install pressure gauges at each side of pressure reducing valves; and
2 as indicated.
3 ~ ' :C. Strainers: Install strainers as indicated. Provide plugged gate or .ball valve in blow-off
4 ~. connection on strainers, valve shall be same size as blow-off tapping.
5 D. Unions: Install unions in pipe connections to control valves, coils, regulators, reducers,
6 all equipment, and where it may be necessary to disconnect the equipment or piping for
7 ~ repairs or maintenance; and as indicated.:
8 END OF SECTION 15120
(ridgeline ms] 15120 - 4 PIPING SPECIALTIES 15120 - 4
~.
t
t
1 ,SECTION 15170 -MOTORS AND VARIABLE DRIVES
2 PART1-GENERAL
3 1.01 GENERAL
4 A. Includes, but not limited to, motors 1 HP or larger used in Division 15.
5 1.02 RELATED SECTIONS
6 A. General Conditions, Division 1
7 B. Section 15055 -General Mechanical Requirements
8 1.03 SUBMITTALS REQUIREMENTS OF THIS SECTION
9 A. All variable drives.
10 B. Total harmonic voltage distortion calculation.
11 PART 2 -PRODUCTS
12 2.01 MOTORS
13 A. Acceptable Manufacturers: General Electric, Westinghouse, Reliance, Allis-Chalmers,
14 Gould, Century, Wagner, Baldor, U.S. Motors Marathon.
15 B. Motors located indoors shall be open frame, drip-proof type, unless indicated otherwise.
16 Motors located outdoors exposed to weather shall have corrosion resistant finish and
17 shall be totally enclosed fan cooled (TEFC) or totally enclosed non-ventilated (TENV)
18 type, unless indicated otherwise. Motors used in fans serving dishwashing hoods shall
19 be TEFC type.
20 C. All motors shall be UL listed.
21 D. All motors 1 HP and larger shall be energy efficient type and shall meet the Washington
22 State Energy Code Table 14-4:
~ridgeline msJ 15170 - 1' MOTORS AND VARIABLE DRIVES
15170 - 1
1 ENERGY EFFICIENT ELECTRIC MOTORS
2 MINIMUM NONIMAL FULL-LOAD EFFICIENCY
3
Open Motors Closed Motors
Synchronous
Speed
(RPM)
3,600
1,800
1,200
3,600
1,800
1,200
HP Efficiency Efficiency Efficiency Efficiency Efficiency Efficiency
1.0 82.5 80.0 75.5 82.5 80.0
1.5 82.5 84.0 84.0 82.5 84.0 85.5
2.0 84.0 84.0 85.5 84.0 84.0 86.5
3.0 84.0 86.5 86.5 85.5 87.5 87.5
5.0 85.5 87.5 87.5 87.5 87.5 87.5
7.5 87.5 88.5 88.5 88.5 89.5 89.5
.10.0 88.5 89.5 90.2 89.5 89.5 89.5
15.0 89.5 91.0 90.2 90.2 91.0 90.2
20.0 90.2 91.0 91.0 90.2 91.0 90.2
25.0 91.0 .91.7 91.7 91.0 92.4 91.7
30.0 91.0 92.4 92.4 91.0 92.4 91.7
40.0 91.7 93.0 93.0 91.7 93.0 93.0
50.0 92.4 93.0 93.0 92.4 93.0 93.0
60.0 93.0 93.6 93.6 93.0 -93.6 93.6
75.0 93.0 94.1 93.6 93.0 94.1 93.6
100.0 93.0 94.1 94.1 93.6 94.5 94.1
125.0 93.6 94.5 94.1 94.5 94.5 94.1
150.0 93.6 95.0 94.5 94.5 95.0 95.0
200.0 94.5 95.0 .94.5 95.0 95.0 95.0
4
5 E. Motors shall not be smaller than indicated on drawings; however, motors shall. be of
6 adequate size to drive the respective equipment when handling the quantities specified
7 without exceeding the nameplate full load current at any conditions encountered in actual
8 operation. If it becomes evident that a motor furnished is too small to meet these
9 requirements as a result of the Contractor using substituted equipment or having revised
10 the system arrangement, the Contractor shall replace it with a motor of adequate size at
11 no additional cost to the Owner. This Contractor shall also arrange with the Electrical
12 Contractor to increase the size of the wiring, motor starter and other accessories as
13 required to serve the larger motor at no additional cost to the Owner.
(ridgeiine msJ 15170- 2 MOTORS AND VARIABLE DRIVES 15170 - 2
r
1 2.02 VARIABLE FR EQUENCY COMPONENT DRIVES (VFCD)
' 2 A. ..Variable Frequency Drives (VFCD):
3 1. Description:
4 . a. Provide enclosed adjustable speed drives suitable .for operating at the
' 5 current, voltage, and horsepower indicated on the equipment schedule.
6 Conform to requirements of NEMA ICS 3.1.
' 7
8 b. VFCD shall not increase the voltage distortion above 5% at the input
terminals of the VFCD or line filters. The manufacturer shall make all
9 modifications to the drive necessary to meet this requirement.
10 c. VFCDs shall be used.with terminal unit fans only:
' 11 2. Provide for all direct drive fans (all motor sizes) and for belt drive of Shp or lower.
12 B. Ratings:.
13 1. VFCD must operate, without fault or failure, when voltage varies plus or minus 10
14 percent from rating, and frequency varies. plus or minus 5 percent from rating.
15 2. VFCD shall be voltage as shown on schedule.
' 16
17 3.
4. Operating Ambient Temperature: 1.4 degrees F to 104 degrees F.
Humidity: non-condensing to 95%.
18 ~ 5. Altitude: to 3300 feet, higher altitudes achieved by derating.
19 6. Starting Torque: 100% starting torque shall be available from 0.5 Hz to 60 Hz.
20 7. Overload capability: 110% of rated F.L.A. (full load amps) for 60 seconds; 150%
21 of rated F.L.A., instantaneously.
22 8. The VFCD must meet the requirements for Radio Frequency Interface (RFI)
23 above 7 ,MHr as specified by FCC regulations, part 15, subpart J, Class A
~,; 24 devices.
25' 9. In compliance with IEEE 519, the Total Harmonic Voltage Distortion for the
26
27 VFCD shall be no greater than 5%, the supplier of the VFCD shall provide a do
bus choke or line reactors to ensure compliance. In order to estimate THVD the
28 following is needed: Point of Common Coupling (PCC) 'and the KVA, and
29 secondary voltage of the supply transformer. Assume 5.00% transformer
' 30 impedance. If no transformer is present assume 50% of service demand.
31 10. . VFCDs must have a minimum short circuit rating of 65 Kamps RMS without
32 additional input fusing.
~ 33 C. Design:
~ 34 1. .VFCD shall .em to micro rocessor based inve r
p y p rte logic, isolated from all {power
35 circuits.
36 2. VFCD shall include surface mount technology, with conformal coating.
37 3. VFCD shall employ a PWM (pulse width modulated) inverter system, consisting
38 of:
39 a. Input Section:
r 40 1) VFCD input power stage shall convert three-phase AC line
41 power into a fixed DC voltage via a solid state full wave diode
42 rectifier, with MOV (metal oxide varistor) protection.
43 b. Intermediate Section:
44 1) DC bus as a supply to the VFCD Output Section shall maintain a
45 fixed voltage with filtering and short circuit protection.
46 2) DC Bus shall be interfaced with the VFCD diagnostic logic
47 circuit, for continuous monitoring and protection of the power
48 components.
49 c. Output. Section:
~' S0 1) ~ Insulated gate bipolar transistors (IGBT's) shall convert DC bus
51 _• voltage to variable frequency and voltage.
~:
~ridgeline msj 15170 - 3
MOTORS AND VARIABLE DRIVES 15170 - 3
1 ~ 2) PWM sine coded output to the motor.
2 4. The VFCD must be selected for operation at carrier frequencies at or above 5
3 kHz .without Berating to satisfy the conditions for current, voltage and horsepower
4 as indicated on the equipment schedule.
5 5. VFCD shall include one independent remote reference input. The input shall be
6 0 - 10 VDC or 4 - 20mA. Input shall respond to a programmable bias and gain.
7 6. VFCD shall include a minimum of two digital input terminals:
8 a. Reverse rotation direction
9 b. Remote Reset
10 7. VFCD shall provide terminals for remote contacts, to allow starting in the
11 automatic mode.
12 8. VFCD shall include one fully rated form"A" contact and one fully rated form "C"
13 contact.. The contact purpose is selectable and shall provide one. of two
14 functions:
15 a. Drive Running
16 b. Drive Faulted
17 9. VFCD shall include a power loss ride of 2 seconds.
18 10. VFCD shall include front mounted control operators that set the motor overheat
19 drive shutdown, set the acceleration and deceleration, and set the output
20 frequency limits. Operating mode (auto or manual) and speed setting functions
21 shall also be provided.
22 11. VFCD shall include electronic thermal overload protection for both the drive and
23 motor. The electronic thermal motor overload shall be approved by UL. If the
24 electronic thermal motor overload is not approved by UL, a separate UL
25 approved thermal overload relay shall be provided in the VFCD enclosure.
26 12. VFCD shall include the following program functions:
27 ~ a. Auto restart capability.
28 b. Stall prevention capability.
29 c. Ability to close fault contact after the completion of all fault restart
30 attempts.
31 13. VFCD shall include factory settings for all parameters, and the capability for
32 those settings to be reset.
33 14. VFCD shall include the capability to adjust the following functions, while the
34 VFCD is running:
35 a. Forward/Reverse direction.
36 b. Acceleration adjustment from 0 to 3600 seconds.
37 c. Deceleration adjustment form 0 to 3600 seconds.
38 d. One preset speed.
39 15. All units to be provided with fused disconnect integral to the VFCD. Fuse sized
40 for the equipment per NEC.
41 D. Product Option:
42 1. Miscellaneous Options available when indicated by the schedule:
43 ~ a. RFI (radio frequency interference) filters to attenuate possible VFCD
44 generated noise. The addition of these filters should reduce the line
45 conducted noise levels within the limits of FCC regulations, part 15,
46 subpart J, for Class A devices.
47 b. Current limiting input fusing for the protection of VFCD semiconductor
48 devices.
49 c. Line reactors reduce the effect of the toad and line side transients on the
50 drive.. May be used on either the input side or output side of the drive.
51 d. "DC bus reactor", to attenuate harmonic distortion.
(ridgeiine msJ 15170 - 4 MOTORS AND VARIABLE DRIVES 15170 - 4
'.
1 E. Fabrication:
2 1. Enclosure: NEMA Type 1 unless otherwise specified on drawings.
3 F. Source Quality Control:
4 1. In-circuit testing of all printed circuit boards shall be conducted, to insure the
5 .proper mounting and correct value of all components.
6 2. All printed circuit boards shall be burned in for 96 hours, at 85 degrees C.
7 3. Final printed circuit board .assemblies shall be functionally tested, via
8 computerized test equipment. All tests and acceptance criteria shall be
9 ~ preprogrammed. All tests results shall be stored as detailed quality assurance
10 .data.
11 4. All fully assembled controls shall be functionally tested, with fully loaded
12 induction motors. The combined test data shall then be analyzed, to insure
13 adherence to quality assurance specifications.
' 14 5. Inspect and production test, under load each completed VFCD assembly.
15 G. Acceptable Manufacturers:
' 16 1. Square D
17 2. ABB
18 3. Yaskawa
19 4. Danfoss
~' 20 2.03 VARIABLE FREQUENCY DRIVES (VFD)
21 A. Variable Frequency Drives (VFD):
22 1. Description:
23 a. Provide enclosed adjustable speed drives suitable for operating at the
24
25 current, voltage, and horsepower indicated on the equipment schedule.
Conform to requirements of NEMA ICS 3.1.
26 b. VFD shall. not increase the voltage distortion above 5% at the input
27 terminals of the VFD or line filters. The manufacturer shall make all
28 modifications to the drive necessary to meet this requirement.
29 2. Provide for all belt drive fans larger than Shp motors.
30 B. Ratings :
!, 31 1. VFD must operate, without fault or failure, when voltage varies plus or minus10
32 percent from rating, and frequency varies plus or minus 5 percent from rating.
33 2. VFD shall be voltage as shown on schedule.
34 3. Displacement Power Factor: 0.98 over entire range of operating speed and load.
35 4. Operating Ambient Temperature: 14 degrees F to 104 degrees F.
36 5. . Humidity: non-condensing to 95%.
37 6. Altitude: to 3300 feet, higher altitudes achieved by derating.
38 7. Minimum Efficiency: 96% at half speed; 98% at full speed.
39 8. Starting Torque: 100% starting torque shall be available from 0.5 Hz to 60 Hz.
40 9. Overload capability: 110% of rated F.L.A. (full load amps) for 60 seconds; 150%
' 41 of rated F.L.A., instantaneously.
42 10. The VFD must meet the requirements for Radio Frequency Interface (RFI) above
43 7 MHz as specified by FCC regulations, part 15, subpart J, Class A devices.
44 11. In compliance with IEEE 519, the Total Harmonic Voltage Distortion for the VFD
i 45 shall be no greater than 5%, the supplierof the VFD shall provide a do bus choke
46 or line reactors to ensure compliance. Iri order to estimate THUD the following is
47 needed: Point of Common Coupling (PCC) and the KVA, secondary voltage, and
48 impedance of the supply transformer.
,' (ridgeline msJ 15170 - 5 MOTORS AND VARIABLE DRIVES. 15170 - 5
1
2
3
4
5 C.
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
12. VFDs must have a minimum short circuit rating of 65 Kamps RMS without
additional input fusing.
13. All motors with variable frequency drives over 5 HP shall have power factor
correction to 0.95 or better.
Design:
2.
3.
4.
5.
6.
7.
8.
9.
10.
11.
VFD shall employ microprocessor based inverter logic, isolated from all power
circuits.
VFD. shall include surface mount technology, with conformal coating.
VFD shall employ a PWM (pulse width modulated) inverter system, consisting of:
a. Input Section:
1) VFD input power stage shall convert three-phase AC line power
into a fixed DC voltage via a solid state full wave diode rectifier,
with MOV (metal oxide varistor) protection.
b. Intermediate Section:
1) DC bus as a supply to the VFD Output Section shall maintain. a
fixed voltage with filtering and short circuit protection.
2) DC Bus shall be interfaced with the VFD diagnostic logic circuit,
for continuous monitoring and protection of the power
components.
c. Output Section:
1) Insulated gate bipolar transistors (IGBT's) shall convert DC bus
voltage to variable, frequency and voltage.
2) PWM sine coded output to the motor.
The VFD must be selected for operation at carrier frequencies at or above 5 kHz
without Berating to satisfy the conditions for current, voltage and horsepower as
indicated on the equipment schedule. Exception to this requirement is allowed
only for VFDs providing 80 amps or more.
VFD shall have an adjustable carrier frequency: The carrier frequency shall have
a minimum of six settings to allow adjustment in the field.
VFD shall include two independent remote reference inputs. One shall be 0 - 10
VDC or 4 - 20mA. Either input shall respond to a programmable bias and gain.
VFD shall include a minimum of five multi-function input terminals, capable of
being programmed to determine their function when their state is chanced.
These terminals shalt provide up to 30 functions, including but not limited to:
a. Remote/Local operation selection
b. Detection of external fault condition
c. Remote Reset
d. Multi-step speed commands
e. Jog Command
VFD shall include a 0-10V DC analog output for either monitoring, or "speed
tracking" the VFD. The 0-10V DC analog output signal will be proportional to
output frequency, output current, output power, or DC bus voltage.
VFD shall provide terminals for remote contacts, to allow starting in the automatic
mode.
VFD shall include at least one external fault input, which shall be programmable
for a normally open or norrmally closed contact. The contacts can be used for
connection to firestats, freezestats, etc.
VFD shall include one fully rated form"A" contact and one fully rated form "C"
contact, capable of being programmed to determine what conditions must be met
in order for them to change their state. These contacts shall be rated for at least
1 Amp at 250 VAC. These terminals shall provide up to 18 functions, including
but not limited to:
a. Speed agree detection.
(ridgeline ms] 15170 - 6 MOTORS AND VARIABLE DRIVES 15170 - 6
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jridgeline msJ 15170 - 7
b. Low and high frequency detection.
c. Missing frequency reference detection.
d. Overtorque/Undertorque detection.
e. Drive Running
f. Drive Faulted
VFD shall include a power loss ride of 2 seconds.
VFD shall include a front mounted, sealed keypad operator, with an English
language illuminated LCD display. The operator will provide complete
programming, operating, monitoring, and diagnostic capability. Keys provided
shall include commands for RUN, STOP and RESET. Operating mode (auto or
manual) and speed setting functions shall also be provided.
VFD English display shall provide readouts of; output frequency in hertz, output
voltage in volts, output current in amps, output power in kilowatts, D.C. bus
voltage in volts, interface terminal status, and fault codes. All displays shall be
viewed in an easy-to-read illuminated LCD with English language as standard.
VFD unit shall include the following meters to estimate use of energy:
a. Elapsed Time Meter
b. Kilowatt Meter
c. Kilowatt Hour Meter
VFD shall be capable of PID (Proportional, Intergral, Derivative) logic, to provide
closed-loop setpoint control capability, from a remote reference. In addition, an
energy saving sleep function should be used in conjunction with the PID control.
The SLEEP function reduces the unnecessary operation of equipment. When
the SLEEP function senses a minimal deviation of a sensor (pressure,
temperature), the system reacts by removing the run signal from the equipment.
Upon receiving an ample sensor signal deviation, the equipment returns the run
signal and resumes normal operation.
VFD shall include loss of input signal protection, with a speed default to 80% of
the most recent speed.
VFD shall include electronic thermal overload protection for both the drive and
motor. Protection profiles are available for variable or constant torque
applications. The electronic thermal motor overload shall be approved by UL. If
the electronic thermal motor overload is not approved by UL, a separate UL
approved thermal overload relay shall be provided in the VFD enclosure.
VFD shall include the following program functions:
a. Critical frequency rejection capability: 2 selectable, adjustable
deadbands.
b. Auto restart capability: 0 to 10 attempts.
c. Stall prevention capability.
d. "S" curve soft start capability.
e. "Speed search" capability, in order to start a rotating load.
f. 1 preset and 1 custom volts per hertz pattern.
g. One fully adjustable volts per hertz pattern.
h. Current limit adjustment capability, from 30% to 200% of rated full load
current of the VFD.
i. Anti "wind-milling" function capability.
j. Energy saving PID control with SLEEP function..
k. Undertorque/Overtorque Detection.
I. Ability to close fault contact after the completion of all fault restart
attempts.
VFD shall include factory settings for all parameters, and the capability for those
settings to be reset.
VFD shall include the capability to adjust the following functions, while the VFD is
running:
MOTORS AND VARIABLE DRIVES
15170 - 7
1 a. Forward/Reverse direction.
2 b. Acceleration adjustment from 0 to 3600 seconds.
3 c. Deceleration adjustment form 0 to 3600 seconds.
4 d. A minimum of six different preset s peeds.
5 e. Analog output gain, to calibrate the signal for the application used.
6 22. All units to be provided with fused disconnect integral to the VFD. Fuse sized for
7 the equipment per NEC.
8 D. Fabri cation:
9 1. Enclosure: NEMA Type 1 unless otherwise specifed on drawings.
10 E. Source Quality Control:
11 1. In-circuit testing of all printed circuit boards shall be conducted, to insure the
12 proper mounting and correct value of all components.
13 2. All printed circuit boards shall be burned in for 96 hours, at 85 degrees C.
14 3. Final printed circuit board assemblies shall be functionally tested, via
15 computerized test equipment. All tests and acceptance criteria shall be
16 preprogrammed. All tests results shall be stored as detailed quality assurance
17 data.
18 4. All fully assembled controls shall be functionally tested, with fully loaded
19 induction motors. The combined test data shall then be analyzed, to insure
20 adherence to quality assurance specifications.
21 5. Inspect and production test, under load each completed VFD assembly.
22 F. Acceptable Manufacturers:
23 1. Square D
24 2. ABB
25 3. Yaskawa
26 4. Danfoss
27 PART 3 -EXECUTION
28 Not Applicable
29 END OF SECTION 15170
(ridgeline msJ 15170 - 8 MOTORS AND VARIABLE DRIVES 15170 - 8
'
1
Acceptable Products:
2
' 3 Acoustical Sealant by U.S. Gypsum Company
4 Acoustical Sealant BA-98 by Pecora Corporation
5 "Fire Stop 2000" by 3M Vibration Control Systems -fire rated
6
7 Clay Packing
8
9 Acceptable Products:
' 10
11 Firetemp Intumescent Putty Pads
12
13 DUCTWORK ISOLATION SCHEMES
14
15 Type D-1: Spring Isolation Hangers
16
' 17 Isolate all hung ductwork from direct contact with the structure using Type H-1 spring hangers
18 with a minimum static deflection of 1.0".
19
20 T rpe D-2: Neoprene or Fiberglass Isolation Hangers
' 21
22 Isolate all hung ductwork from direct contact with the structure using Type H-2 neoprene hangers
23 with a minimum static deflection of 0.15".
' 24
25 Tvpe D-3: Bare Spring Isolators
26
27 Isolate all floor-mounted ductwork from direct contact with the structure using Type S-1 spring
' 28 isolators with a minimum static deflection of 1.0".
29
30 Type D-4: Neoprene Pad
31
32 Isolate all floor-mounted ductwork from direct contact with the structure using a Type N-4
33 neoprene pad and WB-1 washer bushing with a minimum static deflection of 0.15".
' 34
35
PIPEWORK ISOLATION SCHEMES
36
37 Tvpe PI-1: Spring Isolation Hangers
' 38
39 Isolate all hung pipework from direct contact with the structure using Type H-1 spring hangers
40 with a minimum static deflection of 1.0".
41
' 42 Tvpe PI-2: Neoprene or Fiberglass Isolation Hangers
43
44 Isolate all hung pipework from direct contact with the structure using Type H-2 neoprene hangers
45 with a minimum static deflection of 0.15".
' 46.
47 Tvpe PI-3: Bare Spring Isolators
' 48
' 49 Isolate all floor-mounted pipework from direct contact with the structure using Type S-1 spring
50 isolators with a minimum static deflection of 1.0".
51
52 Tvpe PI-4: Cushion Sleeve and Clevis Hanger
' 53
54 Isolate all hung pipework from direct contact with the structure using a Type CS-1 cushion sleeve
55 in conjunction with a Clevis hanger.
' 56
57
' [ridgeline ms] 15240 - 6 VIBRATION ISOLATION 15240- 6