DaimlerChryslerConstruction Standards

11/12/076/17/05

SECTION 15050 - BASIC MECHANICAL MATERIALS AND METHODS

PART 1 - GENERAL

1.1SUMMARY

  1. This Section includes the following:
  2. Piping materials and installation instructions common to most piping systems.
  3. Transition fittings.
  4. Dielectric fittings.
  5. Mechanical sleeve seals.
  6. Sleeves.
  7. Escutcheons.
  8. Grout.
  9. Mechanical demolition.
  10. Equipment installation requirements common to equipment sections.
  11. Concrete bases.
  12. Supports and anchorages.

B.Related Sections: The following sections contain requirements that relate to this Section:

1.Section 09910: Painting ( )

2.SMI – 117:Hot Work Permits – Issue and Control of. ( )

3.ETI – 103:Environmental, health, and safety guidelines for the procurement of machine tools, equipment, dies, fixtures and non-perishable tools and supplies. (

4.SEB– 705:Secondary Containment Design and Use (Formerly ETI—501)(found in same location as this specification

1.2DEFINITIONS

  1. Finished Spaces: Spaces other than mechanical and electrical equipment rooms, furred spaces, pipe and duct shafts, unheated spaces immediately below roof, spaces above ceilings, unexcavated spaces, crawlspaces, and tunnels.
  2. Exposed, Interior Installations: Exposed to view indoors. Examples include finished occupied spaces and mechanical equipment rooms.
  3. Exposed, Exterior Installations: Exposed to view outdoors or subject to outdoor ambient temperatures and weather conditions. Examples include rooftop locations.
  4. Concealed, Interior Installations: Concealed from view and protected from physical contact by building occupants. Examples include above ceilings and in duct shafts.
  5. Concealed, Exterior Installations: Concealed from view and protected from weather conditions and physical contact by building occupants but subject to outdoor ambient temperatures. Examples include installations within unheated shelters.

1.3SUBMITTALS

  1. Product Data: For the following:
  2. Transition fittings.
  3. Dielectric fittings.
  4. Mechanical sleeve seals.
  5. Escutcheons.
  6. Welding certificates.
  7. Grooved joint couplings and fittings shall be shown on drawings and product submittals and shall be specifically identified with the applicable Victaulic style or series designation.

1.4QUALITY ASSURANCE

  1. Steel Support Welding: Qualify processes and operators according to AWSD1.1, "Structural Welding Code--Steel."
  2. Steel Pipe Welding: Qualify processes and operators according to ASME Boiler and Pressure Vessel Code: SectionIX, "Welding and Brazing Qualifications."
  3. Comply with provisions in ASMEB31 Series, "Code for Pressure Piping."
  4. Certify that each welder has passed AWS qualification tests for welding processes involved and that certification is current.
  5. All grooved joint couplings, fittings, valves, and specialties of a contract shall be the products of a single manufacturer. Grooving tools shall be of the same manufacturer as the grooved components.
  6. Electrical Characteristics for Mechanical Equipment: Equipment of higher electrical characteristics may be furnished provided such proposed equipment is approved in writing and connecting electrical services, circuit breakers, and conduit sizes are appropriately modified. If minimum energy ratings or efficiencies are specified, equipment shall comply with requirements.

1.5DELIVERY, STORAGE, AND HANDLING

  1. Deliver pipes and tubes with factory-applied end caps. Maintain end caps through shipping, storage, and handling to prevent pipe end damage and to prevent entrance of dirt, debris, and moisture.
  2. Store plastic pipes protected from direct sunlight. Support to prevent sagging and bending.

1.6COORDINATION

  1. Arrange for pipe spaces, chases, slots, and openings in building structure during progress of construction, to allow for mechanical installations.
  2. Coordinate installation of required supporting devices and set sleeves in poured-in-place concrete and other structural components as they are constructed.
  3. Coordinate requirements for access panels and doors for mechanical items requiring access that are concealed behind finished surfaces. Access panels and doors are specified in Division8 Section "Access Doors and Frames."

PART 2 - PRODUCTS

2.1PIPE, TUBE, AND FITTINGS

  1. Refer to individual Division15 piping Sections for pipe, tube, and fitting materials and joining methods.

2.2JOINING MATERIALS

  1. Refer to individual Division15 piping Sections for special joining materials not listed below.
  2. Pipe-Flange Gasket Materials: Suitable for chemical and thermal conditions of piping system contents.
  3. ASMEB16.21, nonmetallic, flat, asbestos-free, 1/8-inch maximum thickness unless thickness or specific material is indicated.
  4. Full-Face Type: For flat-face, Class125, cast-iron and cast-bronze flanges.
  5. Narrow-Face Type: For raised-face, Class250, cast-iron and steel flanges.
  6. AWWAC110, rubber, flat face, 1/8 inch thick, unless otherwise indicated; and full-face or ring type, unless otherwise indicated.
  7. Flange Bolts and Nuts: ASMEB18.2.1, carbon steel, unless otherwise indicated.
  8. Grooved Joint Couplings: AWWA C606, complete with ductile iron housings, zinc electroplated carbon steel bolts and nuts, and elastomer pressure responsive gasket. (Gasket grade shall be suitable for the intended service.) Couplings shall be manufactured by Victaulic Company of America or equal.
  9. Solder Filler Metals: ASTMB32, lead-free alloys. Include water-flushable flux according to ASTMB813.
  10. Brazing Filler Metals: AWSA5.8, BCuPSeries, copper-phosphorus alloys for general-duty brazing, unless otherwise indicated; and AWSA5.8, BAg1, silver alloy for refrigerant piping, unless otherwise indicated.
  11. Welding Filler Metals: Comply with AWSD10.12 for welding materials appropriate for wall thickness and chemical analysis of steel pipe being welded.

2.3TRANSITION FITTINGS

  1. AWWA Transition Couplings: Same size as, and with pressure rating at least equal to and with ends compatible with, piping to be joined.

2.4DIELECTRIC FITTINGS

  1. Description: Combination fitting of copper alloy and ferrous materials with threaded, solder-joint, plain, or weld-neck end connections that match piping system materials.
  2. Insulating Material: Suitable for system fluid, pressure, and temperature.
  3. Dielectric Unions: Factory-fabricated, union assembly, for 250-psig minimum working pressure at 180 degF
  4. Manufacturers: Unless otherwise directed by the Owner, provide products by one of the following:
  5. Capitol Manufacturing Co.
  6. Central Plastics Company.
  7. Eclipse, Inc.
  8. Epco Sales, Inc.
  9. Hart Industries, International, Inc.
  10. Watts Industries, Inc.; Water Products Div.
  11. Zurn Industries, Inc.; Wilkins Div.
  12. Dielectric Flanges: Factory-fabricated, companion-flange assembly, for 150- or 300-psig minimum working pressure as required to suit system pressures.
  13. Manufacturers: Unless otherwise directed by the Owner, provide products by one of the following:
  14. Capitol Manufacturing Co.
  15. Central Plastics Company.
  16. Epco Sales, Inc.
  17. Watts Industries, Inc.; Water Products Div.
  18. Dielectric Couplings: Galvanized-steel coupling with inert and noncorrosive, thermoplastic lining; threaded ends; and 300-psig minimum working pressure at 225 degF
  19. Manufacturers: Unless otherwise directed by the Owner, provide products by one of the following:
  20. Calpico, Inc.
  21. Lochinvar Corp.
  22. Dielectric Nipples: Electroplated steel nipple with inert and noncorrosive, thermoplastic lining; plain, threaded, or grooved ends; and 300-psig minimum working pressure at 225 degF
  23. Manufacturers: Unless otherwise directed by the Owner, provide products by one of the following:
  24. Perfection Corp.
  25. Precision Plumbing Products, Inc.
  26. Sioux Chief Manufacturing Co., Inc.
  27. Victaulic Co. of America.

2.5MECHANICAL SLEEVE SEALS

  1. Description: Modular sealing element unit, designed for field assembly, to fill annular space between pipe and sleeve.
  2. Manufacturers: Unless otherwise directed by the Owner, provide products by one of the following:
  3. Advance Products & Systems, Inc.
  4. Calpico, Inc.
  5. Metraflex Co.
  6. Pipeline Seal and Insulator, Inc.
  7. Link-Seal
  8. Sealing Elements: EPDM interlocking links shaped to fit surface of pipe. Include type and number required for pipe material and size of pipe.
  9. Pressure Plates: Carbon steel. Include two for each sealing element.
  10. Connecting Bolts and Nuts: Carbon steel with corrosion-resistant coatingof length required to secure pressure plates to sealing elements. Include one for each sealing element.

2.6SLEEVES

  1. Galvanized-Steel Sheet: 0.0239-inchminimum thickness; round tube closed with welded longitudinal joint.
  2. Steel Pipe: ASTMA53, TypeE, Grade B, Schedule40, galvanized, plain ends.
  3. Cast Iron: Cast or fabricated "wall pipe" equivalent to ductile-iron pressure pipe, with plain ends and integral waterstop, unless otherwise indicated.

2.7ESCUTCHEONS

  1. Description: Manufactured wall and ceiling escutcheons and floor plates, with an ID to closely fit around pipe, tube, and insulation of insulated piping and an OD that completely covers opening.
  2. One-Piece, Deep-Pattern Type: Deep-drawn, box-shaped brass with polished chrome-plated finish.
  3. One-Piece, Cast-Brass Type: With set screw.
  4. Finish: Polished chrome-plated.
  5. Split-Casting, Cast-Brass Type: With concealed hinge and set screw.
  6. Finish: Polished chrome-plated.
  7. Split-Plate, Stamped-Steel Type: With concealed hinge, set screw or spring clips, and chrome-plated finish.
  8. One-Piece, Floor-Plate Type: Cast-iron floor plate.
  9. Split-Casting, Floor-Plate Type: Cast brass with concealed hinge and set screw.

2.8GROUT

  1. Description: ASTMC1107, GradeB, nonshrink and nonmetallic, dry hydraulic-cement grout.
  2. Characteristics: Post-hardening, volume-adjusting, nonstaining, noncorrosive, nongaseous, and recommended for interior and exterior applications.
  3. Design Mix: 5000-psi28-day compressive strength.
  4. Packaging: Premixed and factory packaged.

2.9PUMP SPECIALTY FITTINGS

A.Suction Diffuser: Angle pattern, 300-psig pressure rating, ductile-iron body and end cap, pump-inlet fitting; with stainless steel startup and stainless steel permanent strainers; stainless steel straightening vanes; drain plug; and factory-fabricated base support boss.

1.Victaulic Series 731-G or equal, for inlet sizes through 12 inches or equal.

2.Victaulic AGS Series W731-G or equal, for inlet sizes 14 inches and larger or equal.

B.Triple-Duty Valve:

1.Angle or straight pattern, 175-psig pressure rating, cast-iron body, pump-discharge fitting;

with drain plug and bronze-fitted shutoff, balancing, and check valve features. Brass gage ports with integral check valve, and orifice for flow measurement.

  1. Straight pattern triple duty valve assembly, 175-psig pressure rating, pump discharge assembly for shutoff, balancing, and check features.

a.Sizes 2-1/2 inches through 12 inches: Assembly shall consist of a Vic-300 Master Seal butterfly valve or equal with memory stop feature and a Series 716 check valve or equal.

1)Where flow measurement is required, a Victaulic Series 779 Venturi-Check or equal shall be used in lieu of the Series 716 check valve or equal.

b.Sizes 14 inches and larger: Assembly shall consist of a Victaulic AGS Series W706 butterfly valve or equal with memory stop feature and a Series W715 check valve or equal.

PART 3 - EXECUTION

3.1MECHANICAL DEMOLITION

  1. Refer to Division1 Section "Cutting and Patching" and "Selective Demolition" for general demolition requirements and procedures.
  2. Disconnect, demolish, and remove mechanical systems, equipment, and components indicated to be removed.
  3. Piping to Be Removed: Remove portion of piping indicated to be removed and cap or plug remaining piping with same or compatible piping material.
  4. Piping to Be Abandoned in Place: Drain piping and cap or plug piping with same or compatible piping material.
  5. Ducts to Be Removed: Remove portion of ducts indicated to be removed and plug remaining ducts with same or compatible ductwork material.
  6. Ducts to Be Abandoned in Place: Cap or plug ducts with same or compatible ductwork material.
  7. Equipment to Be Removed: Disconnect and cap services and remove equipment.
  8. Equipment to Be Removed and Reinstalled: Disconnect and cap services and remove, clean, and store equipment; when appropriate, reinstall, reconnect, and make equipment operational.
  9. Equipment to Be Removed and Salvaged: Disconnect and cap services and remove equipment and deliver to Owner.
  10. Remove fluids or refrigerants and manifest disposal or reclarify.
  11. If pipe, insulation, or equipment to remain is damaged in appearance or is unserviceable, remove damaged or unserviceable portions and replace with new products of equal capacity and quality.

3.2PIPING SYSTEMS - COMMON REQUIREMENTS

  1. Install piping according to the following requirements and Division15 Sections specifying piping systems.
  2. Drawing plans, schematics, and diagrams indicate general location and arrangement of piping systems. Indicated locations and arrangements were used to size pipe and calculate friction loss, expansion, pump sizing, and other design considerations. Install piping as indicated unless deviations to layout are approved on Coordination Drawings.
  3. Install piping in concealed locations, unless otherwise indicated and except in equipment rooms and service areas.
  4. Install piping indicated to be exposed and piping in equipment rooms and service areas at right angles or parallel to building walls. Diagonal runs are prohibited unless specifically indicated otherwise.
  5. Install piping above accessible ceilings to allow sufficient space for ceiling panel removal.
  6. Install piping to permit valve servicing.
  7. Install piping at indicated slopes.
  8. Install piping free of sags and bends.
  9. Install fittings for changes in direction and branch connections.
  10. Install piping to allow application of insulation.
  11. Select system components with pressure rating equal to or greater than system operating pressure.
  12. Install escutcheons for penetrations of walls, ceilings, and floors according to the following:
  13. New Piping:
  14. Piping with Fitting or Sleeve Protruding from Wall: One-piece, deep-pattern type.
  15. Chrome-Plated Piping: One-piece, cast-brass type with polished chrome-plated finish.
  16. Insulated Piping: One-piece, stamped-steel type with spring clips.
  17. Bare Piping at Wall and Floor Penetrations in Finished Spaces: One-piece, cast-brass type with polished chrome-plated finish.
  18. Bare Piping at Ceiling Penetrations in Finished Spaces: One-piece, cast-brass type with polished chrome-plated finish.
  19. Bare Piping in Unfinished Service Spaces: One-piece, cast-brass type with polished chrome-platedfinish.
  20. Bare Piping in Equipment Rooms: One-piece, cast-brass type.
  21. Bare Piping at Floor Penetrations in Equipment Rooms: One-piece, floor-plate type.
  22. Existing Piping: Use the following:
  23. Chrome-Plated Piping: Split-casting, cast-brass type with chrome-plated finish.
  24. Insulated Piping: Split-plate, stamped-steel type with concealed hinge and spring clips.
  25. Bare Piping at Wall and Floor Penetrations in Finished Spaces: Split-casting, cast-brass type with chrome-plated finish.
  26. Bare Piping at Ceiling Penetrations in Finished Spaces: Split-casting, cast-brass type with chrome-plated finish.
  27. Bare Piping in Unfinished Service Spaces: Split-casting, cast-brass type with polished chrome-platedfinish.
  28. Bare Piping in Equipment Rooms: Split-casting, cast-brass type.
  29. Bare Piping at Floor Penetrations in Equipment Rooms: Split-casting, floor-plate type.
  30. Sleeves are not required for core-drilled holes.
  31. Install sleeves for pipes passing through concrete and masonry walls and concrete floor and roof slabs.
  32. Cut sleeves to length for mounting flush with both surfaces.
  33. Exception: Extend sleeves installed in floors of mechanical equipment areas or other wet areas 2 inches above finished floor level. Extend cast-iron sleeve fittings below floor slab as required to secure clamping ring if ring is specified.
  34. Install sleeves in new walls and slabs as new walls and slabs are constructed.
  35. Install sleeves that are large enough to provide 1/4-inch annular clear space between sleeve and pipe or pipe insulation. Use the following sleeve materials:
  36. Steel Pipe Sleeves: For pipes smaller than NPS6 inches.
  37. Steel Sheet Sleeves: For pipes NPS6” and larger, penetrating gypsum-board partitions.
  38. Stack Sleeve Fittings: For pipes penetrating floors with membrane waterproofing. Secure flashing between clamping flanges. Install section of cast-iron soil pipe to extend sleeve to 2 inches above finished floor level. Refer to Division7 for flashing.

1)Seal space outside of sleeve fittings with grout.

  1. Except for underground wall penetrations, seal annular space between sleeve and pipe or pipe insulation, using joint sealants appropriate for size, depth, and location of joint. Refer to Division7 Section "Joint Sealants" for materials and installation.
  1. Aboveground, Exterior-Wall Pipe Penetrations: Seal penetrations using sleeves and mechanical sleeve seals. Select sleeve size to allow for minimum 1-inch annular clear space or per manufacturers recommendation between pipe and sleeve for installing mechanical sleeve seals.
  2. Install steel pipe for sleeves unless otherwise indicated on the Drawings or directed.
  3. Install cast-iron "wall pipes" for sleeves where indicated on the Drawings.
  4. Mechanical Sleeve Seal Installation: Select type and number of sealing elements required for pipe material and size. Position pipe in center of sleeve. Assemble mechanical sleeve seals and install in annular space between pipe and sleeve. Tighten bolts against pressure plates that cause sealing elements to expand and make watertight seal.
  5. Underground, Exterior-Wall Pipe Penetrations or Pit Penetration: Install cast-iron "wall pipes" for sleeves. Seal pipe penetrations using mechanical sleeve seals. Select sleeve size to allow for minimum 1-inch annular clear space or per manufacturers recommendation between pipe and sleeve for installing mechanical sleeve seals.
  6. Mechanical Sleeve Seal Installation: Select type and number of sealing elements required for pipe material and size. Position pipe in center of sleeve. Assemble mechanical sleeve seals and install in annular space between pipe and sleeve. Tighten bolts against pressure plates that cause sealing elements to expand and make watertight seal.
  7. Fire-Barrier Penetrations: Maintain indicated fire rating of walls, partitions, ceilings, and floors at pipe penetrations. Seal pipe penetrations with firestop materials. Refer to Division7 Section "Through-Penetration Firestop Systems" for materials.
  8. Verify final equipment locations for roughing-in.
  9. Refer to equipment specifications in other Sections of these Specifications for roughing-in requirements.

3.3PIPING JOINT CONSTRUCTION