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M-000
<br />MECHANICAL SPECIFICATIONS
<br />MECHANICAL SPECIFICATIONS
<br />Section 200500 - General Requirements
<br />A. General
<br />1. Specifications are applicable to all contractors and/or subcontractors for all mechanical systems in
<br />Divisions 01, 20, 21, 22, and 23.
<br />2. This contractor is also referred to the architectural, structural, electrical and all other drawings and
<br />specifications pertinent to this project and fully coordinate with all other trades, owner and architect
<br />requirements. All of the above mentioned drawings and specifications are considered a part of the
<br />contract documents.
<br />3. Conform to all Instructions to Bidders, general and special conditions of contract as specified by
<br />architect and/or owner.
<br />4. Refer to “Alternate Proposals” for possible changes affecting the extent of this section of work.
<br />5. Before submitting a bid, each contractor is requested to visit the job site to familiarize themselves with
<br />construction condition, check facilities and conditions and make all necessary observations and
<br />measurements. Note conditions under which work is to be performed and take all items into
<br />consideration in bid. No consideration will be given for his failure to do so.
<br />6. Systems are to be complete and workable in all respects, placed in operation and properly adjusted.
<br />7. Each contractor shall provide for his own clean-up, removal and legal disposal of all rubbish daily.
<br />8. Each contractor shall protect his work, his existing and adjacent property against weather.
<br />9. Each contractor shall protect his work, materials, apparatus and fixtures from damage. Any work
<br />damaged by failure to provide protection required, shall be removed and replaced with new material at
<br />the contractor's expense.
<br />10. Each contractor must confirm all utility company requirements and connection points in field, prior to
<br />starting work. Each contractor shall include cost of utility companies work in their bid.
<br />11. Each contractor must confirm size, location and materials at point of tie in connections in the field prior
<br />to rough-in of new work.
<br />12. Arrange for and obtain owner's and insurance representative's permission for any service shutdowns.
<br />13. Each contractor shall be solely responsible for construction means, methods, sequences of
<br />construction and the safety of workmen.
<br />14. No piping, ductwork, wiring, etc., shall be installed or routed above or below electrical panels and
<br />equipment, through elevator equipment rooms or elevator shafts or stairways unless these items serve
<br />these areas only.
<br />15. All contractors shall coordinate with the electrical contractor and obtain a written approval identifying
<br />the electrical characteristics of all mechanical equipment prior to ordering of equipment. No additional
<br />payment will be made for lack of contractor coordination of electrical characteristics.
<br />16. Each contractor shall include modifying existing conditions to complete the project. During
<br />construction the contractors may uncover an existing condition that will have to be modified. Any such
<br />work which comes under the jurisdiction of this contractor shall be done by this contractor without extra
<br />cost to the owner and project.
<br />17. Work related to the existing building shall be coordinated to minimize interference or interruption of
<br />normal building use by the owner. Refer to architectural plans for phasing requirements.
<br />18. Ceiling grid systems shall not be supported from ductwork, heating or plumbing lines or any other
<br />utility lines, and vice versa. Each utility and the ceiling grid system shall be a separate installation and
<br />each shall be independently supported from the building structure - concrete, steel or masonry.
<br />Where interferences occur, in order to support ductwork, piping, ceiling grid systems, etc., trapeze
<br />type hangers or supports shall be employed which shall be located so as not to interfere with access
<br />to such mechanical equipment as valves, regulators, mixing boxes, fire dampers, etc.
<br />B. Work Coordination and Scope
<br />1. Each contractor under this division shall familiarize himself with the work to be done under other
<br />divisions of this specification and their related drawings and shall so coordinate and schedule his work
<br />as not to cause delays or interference with the work of others. Such coordination and scheduling shall
<br />accomplish the installation of mechanical and plumbing equipment and piping with a minimum of
<br />cutting through masonry and other adjustments.
<br />2. Work included under this division shall consist of furnishing all materials, supplies, equipment, tools,
<br />transportation and facilities and performing all labor and services necessary for the complete
<br />installation of the mechanical systems of plumbing, fire protection, heating, ventilating, air conditioning,
<br />and specialty systems.
<br />3. The contractor under this division shall report discrepancies in the work of others which affect his work.
<br />Any changes made necessary by failure or neglect to report such discrepancies shall be made by and
<br />at the expense of the contractor of this division. Obtain written instructions for changes necessary to
<br />accommodate work of others.
<br />4. The contractor under this division shall be responsible for proper size and location of anchors, chases,
<br />recesses, opening, etc., required for the proper installation of his work.
<br />5. The division of responsibility under separate mechanical, fire protection and plumbing contracts for
<br />tie-in points shall be as follows:
<br />a.The plumbing contractor shall provide domestic water and gas to within five feet (5'-0”) of
<br />equipment connection furnished by the mechanical or electrical contractor, final connection by
<br />mechanical or electrical contractor. On the water lines, the plumbing contractor shall provide the
<br />shut-off valve, check valve, backflow preventor and pressure regulator. On the gas lines, the
<br />plumbing contractor shall provide the shut-off valve and pressure regulator.
<br />b. Plumbing contractor shall run the gas, water and sanitary to 5'-0” outside the building or to points
<br />as noted on the drawings.
<br />c. Fire protection, plumbing and mechanical contractor shall provide sleeves to the general
<br />contractor for placement in floors, walls, etc. and coordinate such location. The plumbing
<br />contractor shall be responsible for flashing at vent roof terminals.
<br />d. The fire protection, plumbing and mechanical contractor shall check with the architectural
<br />drawings concerning the test borings to determine areas of rock which should be included in his
<br />excavation work. Failure to adjust for rock conditions shall not warrant cause for additional
<br />compensation.
<br />e. The plumbing contractor shall rough-in and connect all other fixtures and equipment where shown
<br />on the drawings but not previously mentioned. Provide with shut-off valves and p-traps with
<br />clean-out plug.
<br />f. All motors 1/3 HP and smaller shall be single phase motors, 1/2 HP and larger, shall be three
<br />phase motors except where otherwise specified. Thermal overload protection for all motors shall
<br />be provided. Combination fused disconnect and magnetic line starters with auto-off-test switch
<br />shall be provided for all three-phase motors. Thermal overload relays shall be sized for 115
<br />percent of full load motor current. For motors with VFD; motors shall be inverter duty motors that
<br />meets current “MG 1 Part 31” specifications. Motors to have a minimum of 20:1 turn down ratio.
<br />Motors over 20 Hp shall have shaft ground rings. The installation of all motors, starters and other
<br />electrical work under this mechanical division shall be done so as to conform with the National
<br />Electric Code. Each motor shall be of squirrel cage type, open-drip proof, normal starting torque,
<br />having ball bearings unless otherwise specified. For manufacturers that use PMAC motors, this
<br />contractor shall supply VFD's to operate motor.
<br />6. Each contractor shall provide OSHA approved handrail (Guard) system for all roof mounted equipment
<br />within 10'- 0” of roof edge where the roof edge does not have a 42” high parapet or higher.
<br />C. Codes, Permits, Standards and Regulations
<br />1. Contractors shall install work in full accordance with rules and regulations of all applicable codes (local,
<br />city, county, state, national codes, NFPA, OSHA, etc.), government regulations, utility company
<br />requirements, and applicable standards having jurisdiction over premises. This shall include safety
<br />requirements of the state department. Do not construe this as relieving contractor from compliance
<br />with any requirements of specifications which are in excess of code requirements and not in conflict
<br />therewith.
<br />2. Contractors shall secure and pay for all fees, permits, and certificates of inspection incidental to this
<br />work required by foregoing authorities. Arrange for all required inspections and approvals.
<br />3. Contractor shall be responsible for payments to all public utilities for work performed by them in
<br />connection with provision of service connections required under this division of specifications.
<br />4. Deliver all permits and certificates to architect in duplicate.
<br />D. Design Drawings
<br />1. The design drawings, as submitted, are diagrammatic and are not intended to show exact location of
<br />equipment, piping and ductwork unless dimensions are given. Piping and ductwork are to be installed
<br />along the general plans shown on the drawings while conforming to actual building conditions. Each
<br />contractor shall confirm all dimensions by field measurement.
<br />2. Before entering into a contract, the successful bidder may be required to submit satisfactory evidence
<br />to show that the manufacturer of all parts of the equipment offered have been regularly engaged in the
<br />manufacture of such equipment for three (3) years and have not less than three (3) installations of a
<br />similar type which have been in successful operation under conditions similar to those specified for not
<br />less than two (2) years.
<br />3. All equipment, piping and material specified herein after as shown on the drawings shall be furnished
<br />and installed by the contractor, unless specifically indicated to the contrary. Installation shall comply
<br />with all required “Building Codes” and “Reference Standards.”
<br />4. If this contractor proposes to install equipment requiring space conditions other than those as specified
<br />and/or shown on the design drawings, or to rearrange the equipment, he shall assume full
<br />responsibility and submit drawings for the rearrangement of the space and shall obtain the full
<br />approval of the architect prior to start of any work.
<br />5. The exact locations for fixtures, equipment and piping which is not covered by drawings shall be
<br />obtained from the architect or his representative in the field and the work shall be laid out accordingly.The design drawings, as
<br />submitted, are diagrammatic and are not intended to show exact location of
<br />equipment, piping and ductwork unless dimensions are given. Piping and ductwork are to be installed
<br />along the general plans shown on the drawings while conforming to actual building conditions. Each
<br />contractor shall confirm all dimensions by field measurement.
<br />Section 200500 (cont.)
<br />6. Drawings and specifications are intended to supplement one another. Any materials or labor called for
<br />in one but not the other shall be furnished as if both were mentioned in the specifications and shown
<br />on the drawings.
<br />E. Base Bid Equipment, Materials and Substitutions
<br />1. All equipment and materials shall be new, free of defects and UL labeled.
<br />2. Base bid manufacturers are included in the specification or listed in schedules on the drawings. All
<br />other manufacturers are considered substitution.
<br />3. The name or make of any article, device, material, form of construction, fixture, etc., stated in this
<br />specification, whether or not the words "or approved equal" are used, shall be known as a "standard".
<br />4. All cost shall be based on "standards" specified.
<br />5. The equipment schedules on the drawings indicate manufacturer and their equipment model numbers
<br />that this design has been based on. Each contractor is required to bid upon the basis of design and
<br />furnish the makes specified.
<br />6. Where more than one make or name is mentioned as being acceptable, it shall be understood that
<br />only the name or make referring to the manufacturers model numbers or sizes shall be considered the
<br />“Specified Standards.” It shall be further understood that other makes and names, even though
<br />mentioned, have not been checked for detail and that their size and arrangement are the contractor's
<br />responsibility the same as a proposed substitute item. The use of other manufacturer's equipment that
<br />is listed as acceptable alternates that entails general trades, structural, mechanical, electrical, etc.,
<br />revisions is this contractor's responsibility to provide revisions. Any additional cost of such changes
<br />shall be paid by the contractor submitting the acceptable alternates which necessitates changes in
<br />installing such submitted alternate equipment, even though such costs may be part of another division
<br />of work.
<br />7. Bids concerning the use of substitute products must be accompanied by complete specifications and
<br />performance characteristic covering these products. Contractor shall provide all available test data and
<br />experience records which may be helpful to the architect in evaluating the quality and/or suitability of
<br />alternate products.
<br />8. Contractor is also invited to bid on any other similar products the contractor desires to propose as
<br />substitutions, stating any difference in cost (add or deduct from base bid cost) for each proposed
<br />substitution on the substitution sheet. If the architect decides to accept any of the proposed
<br />substitutions, proper notations thereof shall be made in the written contract. Where several makes are
<br />mentioned in the specifications and the contractor fails to state that he prefers a particular make in his
<br />bid, the owner shall have the right to choose any of the makes mentioned without change in price. No
<br />consideration will be given to proposals for alternative products unless submitted with the original bids.
<br />9. Substitutions are subject to the approval of the owner. If a substitution is submitted, it is the
<br />contractor's responsibility to evaluate it and certify that the substitution is equivalent in all respects to
<br />the base specifications.
<br />10. If substitutions are approved, notify all other contractors, subcontractors, etc., affected by the
<br />substitution and fully coordinate with them. Any costs resulting from substitution, whether by this
<br />contractor or others, shall be the responsibility of and paid for by the substituting contractor. Approved
<br />shop drawings do not absolve this contractor from this responsibility.
<br />11. All equipment shall be installed in full accordance with the manufacturer's data and installation
<br />instructions and service clearances. It is this contractor's responsibility to check and confirm these
<br />requirements prior to starting of any work.
<br />F. Warranty
<br />1. Fully warrant all materials, equipment and workmanship and the successful operation of all equipment
<br />and apparatus installed by this contractor for one (1) year from date of final acceptance.
<br />2. Extend all manufacturers' warranties to owner; including five (5) year compressor and ten (10) year
<br />heat exchanger extended warranty on HVAC equipment to include material and labor.
<br />3. Repair or replace without material and labor charge to the owner all items found defective during the
<br />warranty periods. In the case of replacement or repair due to failure within the warranty period, the
<br />warranty on that portion of the work shall be extended for a minimum period of one (1) year from the
<br />date of such replacement or repair.
<br />G. Shop Drawing Submittals
<br />1. Submit shop drawings for mechanical, plumbing, fire protection, and control systems; including but not
<br />limited to sheetmetal, plumbing fixtures and equipment with adequate details and scales to clearly
<br />show construction. Indicate the operating characteristics for each required item. Clearly identify each
<br />item on the submittal as to mark, location and use, using the same identification as provided on the
<br />construction documents.
<br />2. Sheet metal and fire protection shop drawings shall be fully dimensioned and coordinated based on
<br />field verified building dimensions and clearances and architectural ceiling layouts. Indicate structural
<br />systems, lighting, ductwork and piping at all critical locations.
<br />3. Contractor shall review and indicate his approval of each shop drawing prior to submittal for review.
<br />Shop drawings will not be reviewed by the engineer unless the contractor's approval is noted. Do not
<br />start work or fabrication until shop drawings have been reviewed by the engineer and returned to the
<br />contractor.
<br />4. Submittals will be reviewed only for general compliance with the contract documents and not for
<br />dimensions or quantities. The architect and engineer will make every effort to detect and correct
<br />errors, omissions, and inaccuracies in such drawings, but the failure to detect errors, omissions, and
<br />inaccuracies shall not relieve the contractor of responsibility for the proper and complete installation in
<br />accordance with the intent of the contract documents. The submittal review shall not relieve the
<br />contractor of responsibility for purchase of any item in full compliance with the contract documents or
<br />its complete and proper installation.
<br />5. Where submittals vary from the contract requirements, the contractor shall clearly indicate on submittal
<br />or accompanying documents the nature and reason for the variations.
<br />6. Each manufacturer or his representative must check the application of his equipment and certify at
<br />time of shop drawing submittal that the equipment specified has been properly applied and can be
<br />installed, serviced and maintained where indicated on the drawings. Advise engineer in writing with
<br />submittal drawings of any potential problems. The manufacturer shall be responsible for any changes
<br />that might be necessary because of physical characteristics of equipment that have not been called to
<br />the engineer's attention at the time of submittal.
<br />7. Submit a minimum of one (1) print and an electronic “pdf” of shop drawings to the architect. The
<br />architect and engineer shall review and return a pdf. The contractor shall distribute copies as required
<br />to properly conduct the work, including requirements of the operating manual.
<br />H. Record Drawings
<br />1. Each contractor or subcontractor shall keep one (1) complete set of the contract drawings and
<br />equipment submittals on the job site on which he shall regularly record any deviations or changes from
<br />such contract drawings made during construction. All recording shall be done in color ink.
<br />2. These drawings shall record the installed location of all concealed equipment, piping, electric service,
<br />sewers, wastes, vents, ducts, conduit, etc., by measure dimensions to each such item from column
<br />centerlines or readily identifiable and accessible walls or corners of the building. Plans also shall show
<br />invert elevation of sewers and top elevation of all other below-grade lines.
<br />3. Record drawings shall be kept clean and undamaged and shall not be used for any purpose other than
<br />recording deviations from working drawings and exact locations of concealed work.
<br />4. After the project is completed, these drawings shall be scanned to an electronic “pdf” format and pdf
<br />and hard drawings shall be delivered to the architect in good condition, as a permanent record of the
<br />installation as actually constructed.
<br />I. Supervision
<br />1. The contractor shall have in charge of work at all times during construction a competent foreman or
<br />superintendent whose experience and background shall qualify him for the work to be performed
<br />under this division. Once assigned, the foreman or superintendent shall be retained until completion of
<br />the project and any consideration as to his removal on grounds of incompetence shall either be
<br />initiated by or referred to the architect for decision.
<br />Section 200510 - Basic Materials and Methods
<br />A. General
<br />1. Provide all materials, labor, equipment, and accessories required to furnish and install the mechanical
<br />items identified in this section.
<br />2. This section includes basic mechanical materials and methods to complement other division sections
<br />in this specification and requirements indicated on the mechanical drawings.
<br />B. Interferences
<br />1. Before installing any work, contractor shall see that it does not interfere with clearance required for
<br />finish on beams, columns, pilasters, walls, or other structural or architectural members, as shown on
<br />architectural drawings. If any work is so installed and it later develops that architectural design cannot
<br />be followed, contractor shall, at his own expense, make such changes in his work as architect may
<br />direct to permit completion of architectural work in accordance with plans and specifications.
<br />2. Install additional offsets on piping or ductwork where required to obtain maximum headroom or to
<br />avoid conflict with other work without additional cost to owner.
<br />3. Report any interferences between work under this division and that of any other contractors to
<br />architect as soon as they are discovered. Architect will determine which equipment shall be relocated,
<br />regardless of which was first installed, and his decision shall be final.
<br />Section 200510 (cont.)
<br />C. Protection of Work and Property
<br />1. The contractor shall be responsible for safeguarding work, property, and facilities against damage,
<br />both his own as well as others with which he may come into contact in the performance of his work.
<br />2. Stored materials shall be protected against damage from weather. Pipe, and duct openings shall be
<br />closed with caps or plugs during installation. All fixtures and equipment shall be covered and protected
<br />against damage. Any materials or equipment damaged at any stage in the construction shall be
<br />replaced or repaired. Final completion, all work shall be in a clean and unblemished condition.
<br />3. During construction, all return air ductwork and transfer air openings serving new and existing air
<br />handling equipment and/or adjacent tenant spaces shall be protected. Openings which need to
<br />remain active shall be covered and protected with MERV 8 filtration media; openings which can remain
<br />inactive during construction shall be covered with plastic sheathing and sealed air tight. Filter media
<br />shall be replaced regularly as required during construction in order to ensure adequate airflow through
<br />all required active openings. In addition, at the end of each phase of construction and at the end of
<br />the construction project, all filtration media within each piece of equipment serving the space shall be
<br />replaced.
<br />D. Excavation and Backfill
<br />1. Perform all excavation and backfill required for installation of below-grade piping and ductwork.
<br />2. Excavate as required to install piping at required depth and pitch. Pipe to be laid on sand bedding to
<br />give uniform bearing along length of pipe (sand inside building and interlocking aggregate outside
<br />building).
<br />3. Backfill with bedding material to a minimum of 12” above top of pipe and compact. Balance of backfill
<br />in outdoor grass areas shall be clean earth up to 6” above surrounding grades. Backfill below finished
<br />floors shall be sand. Backfill outdoors under paving shall be interlocking aggregate and shall be
<br />compacted in maximum 10” layers.
<br />4. All other excavations shall be backfilled with clean earth, excluding rubbish and boulders. Backfill shall
<br />be thoroughly tamped and puddled.
<br />5. Patch floor and paving to match existing adjacent surfaces.
<br />6. Backfilling shall not be done until pipe lines are properly tested in the presence of the architect and/or
<br />inspection of the government agency having jurisdiction.
<br />7. Control trench soil compaction during construction for compliance with the maximum density specified
<br />for the following areas:
<br />a. Building slabs, walkways, roadways, or public thorough-fares; compact top 12” of subgrade and
<br />each layer of backfill for fill material at 95 percent density for cohesionless soils, and 90 percent
<br />density for cohesive soil material. Tests to be performed by an independent testing service, with
<br />the compliance report submitted to the architect.
<br />8. Pipe shall not be laid in water. Furnish all pumping equipment, power, temporary connections, etc.,
<br />and do all pumping necessary to remove ground or casual water.
<br />9. Where trenches cross roads, walks, or public thoroughfares, provide suitable barricades and bridges
<br />adequately protected by signs or red flags during day and lights as night.
<br />10. Repave all streets or sidewalks disturbed at this contractor's expense to recommendations,
<br />procedures and satisfaction of architect and authorities having jurisdiction.
<br />E. Supports and Hangers
<br />1. Hangers and supports are to be provided to properly support, secure and align piping and to meet field
<br />conditions and as manufactured by Grinnell, Michigan Hanger or Caddy.
<br />2. All hangers, brackets, clamps, etc., shall be of standard weight steel. Perforated strap hangers shall
<br />not be used in any work. When two or more pipes are run parallel, they may be supported on
<br />unistrut-type trapeze hangers. Other hangers for pipe 3” in size and smaller shall be clevis. For pipe
<br />transporting medium above 150 degrees F and 4” in size and above, use pipe roll. Each hanger is to
<br />be sized to include pipe insulation saddle for protection.
<br />3. Where building service lines enter or leave building such as water, sewer, gas, etc., and are installed
<br />on filled earth, provide continuous support on a reinforced concrete beam furnished and installed
<br />under this division. Support beam on building and with vertical support down to foundation footing and
<br />on undisturbed earth at other end. Gas main shall enter building above grade.
<br />4. All vertical piping passing through floors shall be supported at the floor by a riser clamp.
<br />5. Isolate all copper lines form ferrous hangers or supports by using foil filler or vinyl tape.
<br />6. Spacing to comply with ASHRAE standards and code requirements.
<br />F. Pipe Sleeves, Floor and Ceiling Plates
<br />1. All pipes passing through floors or masonry walls shall be provided with machine-cut schedule 40 pipe
<br />steel sleeves. The sleeves shall be so sized to allow at least 1/4" clearance between the inside sleeve
<br />wall and the pipe or insulation surface. Sheet metal sleeves shall not be used in this work. Pipe
<br />sleeves are to extend 2” above finished floor and sealed. Pipe sleeves are to be full wall thickness and
<br />sealed.
<br />2. Unused sleeves shall be plugged and finished to match adjoining surface.
<br />G. Escutcheons
<br />1. Fit all pipe passing through walls, floors or ceilings in finished rooms with steel or brass escutcheons.
<br />Where surface is to receive a paint finish, make escutcheons prime painted; otherwise, make
<br />escutcheons nickel or chrome plated. Where piping is insulated, fit escutcheons outside insulation.
<br />H. Pipe Identification and Tags
<br />1. Identify each pipe, valve and controls in equipment rooms, above accessible ceilings and in accessible
<br />shafts.
<br />2. Color code identification bands or marker backgrounds to identify contents of pipe with initials and
<br />direction of flow located near each valve and fitting, on both sides of pipe passing through walls and on
<br />long runs at not over 20'-0” intervals.
<br />3. At place where pipe is to have marking, covered pipe shall be properly primed with clear lacquer. After
<br />marking is applied, coat with lacquer. Apply marking adjacent to valves and equipment at major
<br />changes in directions, where pipes pass through walls or floors.
<br />4. Each piece of equipment shall be identified by a number, together with a brief description of its
<br />purpose, e.g. “Air Handling Unit - East Lobby.” Identification shall be embossed or engraved plastic or
<br />stamped brass strips firmly attached to the equipment or adjacent wall at the obvious location. The
<br />lettering for such strips shall be not less than 1/2" high.
<br />5. All valves shall be provided with brass numbered tags attached to handle with a brass chain or ring.
<br />Wiring of tags will not be acceptable. At the completion of the work, a reproducible valve schedule
<br />shall be provided. Three (3) copies of this shall be mounted in metal, glass covered frames where
<br />requested by the architect. The schedule shall give a description of the line or equipment controlled;
<br />the normal position, emergency and/or shutdown position and location given either by description or
<br />diagram.
<br />6. All controls, starters, switches, etc, shall be identified by embossed stencil or engraved plate as to
<br />purpose and/or equipment controlled. Control wiring shall be identified with program number and
<br />device it services.
<br />I. Access Panels
<br />1. Each contractor shall be responsible for providing all required access panels necessary for his work.
<br />This includes any access panels required for HVAC, plumbing and fire protection. Each contractor
<br />shall also provide access panels for any existing conditions as required.
<br />2. Refer to architectural drawings and specifications for type of access panel and coordinate locations
<br />prior to any work.
<br />3. Contractor shall mark lay-in ceiling tiles, in a method approved by the architect, where access is
<br />required to such mechanical, plumbing, and fire protection equipment, valves, regulators, mixing
<br />boxes, fire damper, etc.
<br />J. Noise and Vibration Isolation
<br />1. Furnish and install vibration isolating mountings to isolate from the structure, by means of resilient
<br />vibration and noise isolators, all mechanical equipment over 1 HP having rotating or reciprocating
<br />a. Isolators shall be supplied by a single source, and shall be guaranteed by the manufacturer to
<br />provide isolation efficiencies in accordance with this specification. Selection shall be based on
<br />equipment purposed, power dissipated, frequency, weight distribution and nature of the building
<br />structure. Mountings shall be designed to permit attachment to the equipment base or pad and to the
<br />structure and shall be selected for uniform deflection allowing for unequal weight distribution.
<br />2. Selection shall be made by the manufacturer of the mountings to provide a transmissibility not
<br />exceeding 10 percent. This contractor shall provide inertia pads for equipment where called for on
<br />drawings or recommended by the manufacturer of the mountings. These shall consist of reinforced
<br />concrete pads of suitable shape, of weight 1-1/2 times the weight of the equipment and provided with
<br />weld plates or channels at the corners to which the mountings may be secured.
<br />3. Vibration or noise created in any part of the building by the operation of any equipment furnished
<br />and/or installed under this contract will be prohibited, and this contractor shall take all precautions by
<br />isolating the various items of equipment, pipe and sheet metal work form the building structure. The
<br />major items of equipment shall be isolated as called for on the plans and specified herein. The minor
<br />items shall be held the responsibility of this contractor.
<br />Section 200510 (cont.)
<br />1. Mechanical equipment not internally isolated by the manufacturer shall be isolated as follows:
<br />a. Connections from pump outlet and discharge nozzles to piping shall be made with flexible
<br />connectors.
<br />b. Isolate each base mounted pump from the piping systems by use of appropriate size corrugated
<br />bellows, type 347 stainless steel couplings with control rods as manufactured by Keflex Mfg. or
<br />flexonics for 300 psig design pressure at 800 degrees F. Design temperature.
<br />c. Centrifugal fans, air conditioning and/or heating and ventilating units up to 3”static pressure on
<br />grade shall be mounted on precompressed molded fiberglass, rubber-in-shear, or steel spring
<br />isolators. If the drive motor is not supported directly on the fan, both units shall be mounted on an
<br />integral structural steel base supplied by the isolator manufacturer, or sufficient rigidity to maintain
<br />alignment between the fan and the drive motor. The base shall, in turn be mounted on
<br />precompressed molded fiberglass, rubber-in-shear, or steel spring isolators.
<br />The fans' isolators shall provide isolation efficiencies as follows:
<br />Fan speed over 700 RPM 95 percent
<br />Fan speed between 450 and 700 RPM 90 percent
<br />Fan speed below 450 RPM, fan
<br />wheel over 48” diameter 80 percent
<br />Fan speed below 450 RPM, fan
<br />wheel under 48” diameter Noise isolation only
<br />d. Centrifugal fans, air conditioning and/or heating and ventilating units up to 3” static pressure
<br />above grade shall be mounted on steel spring vibration isolators in combination with
<br />precompressed molded fiberglass noise isolation pads. If the drive motor is not supported directly
<br />on the fan, both units shall be mounted on an integral concrete inertia base, supplied by the
<br />isolator manufacturer, of sufficient rigidity to maintain alignment between the fan and isolators in
<br />combination with precompressed molded fiberglass noise isolation pads. See “C” above for
<br />isolation efficiencies.
<br />e. Centrifugal fans, air conditioning and/or heating and ventilating units up to 3” static pressure
<br />ceiling suspended shall be mounted on a suitable platform and the platform in turn, suspended by
<br />threaded rods from the overhead structure. Resilient hangers incorporating steel springs and
<br />precompressed molded inserts shall be incorporated into each supporting rod. See “C” above for
<br />isolation efficiencies.
<br />2. Piping and ductwork shall be supported independently of the mechanical equipment and shall be
<br />isolated as follows:
<br />a. All suspended piping in the mechanical equipment and air handling rooms shall be supported
<br />from the overhead structure by threaded rods incorporating resilient hangers. The resilient
<br />hangers shall contain steel springs and precompressed molded fiberglass inserts, designed for
<br />static deflections of between 1” and 1-3/4” under operating conditions.
<br />b. All floor supported piping and pipe hangers in the mechanical equipment rooms shall be mounted
<br />on steel spring vibration isolators in combination with precompressed molded fiberglass noise
<br />isolators, designed for minimum static deflections of 1”.
<br />c. Suspended piping entering or leaving mechanical or air handling equipment outside the
<br />equipment rooms shall be supported for the first three hangers away from the equipment by
<br />threaded rods incorporating resilient hangers from the overhead structure. The resilient hangers
<br />shall contain steel springs and precompressed molded fiberglass inserts, designed for static
<br />deflections between 1” and 1-3/4” under operating conditions.
<br />d. Floor supported piping entering or leaving mechanical equipment outside the equipment room
<br />shall be mounted on steel spring vibration isolators in combination with precompressed molded
<br />fiberglass noise isolators, designed for minimum static deflections of 1” for the first three supports.
<br />e. Flexible connections shall be used between air handling equipment and ductwork.
<br />f. All ductwork within the mechanical equipment and air handling rooms shall be suspended with rod
<br />and rubber-in-shear hangers.
<br />3. Isolation efficiency shall be based on the lowest operating speed of the supported equipment. The
<br />isolator manufacturer shall provide, as a part of his submittal data, and isolating efficiencies for the
<br />isolators supporting each piece of equipment. Isolators shall be manufactured by Consolidated
<br />Kinetics Corp., 401 Dublin Avenue, Columbus, Ohio, or Mason Industries, Inc., Hollis, New York.
<br />K. Expansion Joints
<br />1. Expansion joints in piping for heating and domestic water system 2-1/2” and below shall be Flexicraft
<br />ML loop stainless steel for steel and copper pipe or Flexonics model H, stainless steel bellows, internal
<br />guides, anti-torque device for steel pipe and model HB, bronze bellows, internal guides, anti-torque
<br />device for copper pipe; end connections to match corresponding pipe construction.
<br />2. Pipe alignment guide to be steel spider (copper clad for copper pipe) housed in a steel sleeve with feet
<br />for attachment to structure.
<br />3. Expansion loops shall be provided on all pipe runs over 100 ft in length. Size loop per manufacturer's
<br />recommendations or as scheduled.
<br />L. Thermometers and Gauges
<br />1. Pressure gauges shall be provided in pipe lines and at inlets and outlets to equipment as called for or
<br />specified. These shall be installed to indicate pressure changes across equipment only. This means
<br />that they must have connections installed as close as possible to equipment flanges. These shall be
<br />bourdon tube type with 3” minimum dial 1/4 male NPT connection, steel cages with pressure ranges
<br />suitable for indicating the normal operating pressure at the two-third point of the scale range. Ashcroft,
<br />3M or Taylor. Connections shall be made with shut-off cock and surge snubber.
<br />2. Thermometers shall be a red mercury in glass-type with adjustable angle feature, 7” minimum scale
<br />length with range and bulb length suitable for the application and insertion well. These shall be located
<br />where they sense a true temperature and where they can be easily read and be installed with heat
<br />transfer grease.
<br />M. Miscellaneous Steel
<br />1. Furnish and install all miscellaneous steel required for supports, hangers, anchors, guides, etc.,
<br />required for installation of equipment and materials furnished and installed under this division.
<br />N. Painting
<br />1. This contractor shall perform all painting incidental to this work.
<br />2. All insulation shall be painted at the time of installation with one coat of Benjamin Foster “Lagtone”
<br />water base paint. At the completion of the work, all such insulation shall be given an additional coat of
<br />alkyd resin paint of a color to match existing building structure or as selected by the architect.
<br />3. All uncovered black iron pipe, fittings, iron portions of valves, hangers, structural steel, expansion
<br />tanks, cooling tower sumps and all other black iron work shall be thoroughly cleaned and given two
<br />coats of alkyd resin paint of a color to match existing building structure or as selected by the architect.
<br />4. All uncovered exposed sheet metal shall be thoroughly cleaned and neutralized and given two (2)
<br />coats of alkyd resin paint of a color to match existing building structure or as selected by the architect.
<br />5. All painting shall be done with a brush or roller. Spray painting will be prohibited.
<br />6. All finishing materials, thinners, etc., shall be the best quality, first line materials as manufactured by:
<br />a. E.I. Dupont De Nemours and Company
<br />b. Pratt and Lambert, Inc.
<br />c. The Glidden Company
<br />d. The Sherwin-Williams Company
<br />e. The Pittsburgh Plate Glass Company
<br />7. All paint materials shall be delivered to the job in the manufacturer's original unopened and labeled
<br />containers, and they shall be used strictly in accordance with the manufacturer's directions.
<br />8. This contractor shall submit a list of materials to the architect. The list shall state the branch names of
<br />the materials that the contractor intends to use. This list shall be secured from the paint manufacturer
<br />and shall be on his stationery.
<br />9. The architect's approval must be secured before any painting work is started.
<br />O. Clean-Up
<br />1. Insofar as this contract is concerned, at all times keep premises and building in a neat and orderly
<br />condition: Follow explicitly any instructions of architect in regard to storing of materials, protective
<br />measures, cleaning-up of debris, etc.
<br />2. Upon completion of work, this contractor shall thoroughly clean all apparatus furnished by him, pack all
<br />valves and thoroughly clean piping, fixtures and equipment removing all dirt, grease and oil.
<br />3. Air systems shall not be operated without filters. Upon completion of work, replace all filters.
<br />79
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<br />SANTA ANA - SOUTH
<br />(#0972)
<br />3313 S. BRISTOL ST.
<br />SANTA ANA, CA 92704
<br />AS INDICATED
<br />07/09/2025
<br />69325-CA03
<br />ISSUED FOR
<br />PERMIT
<br /># Description Date
<br />These drawings/specifications are the property of Oculus Inc. They are
<br />furnished as contract documents only. The seal(s) and signature(s) apply
<br />only to the document to which they are affixed, and expressly disclaim
<br />any responsibility for all other plans, specifications, estimates, reports or
<br />other documents or instruments relating to or intended to be used for any
<br />part or parts of the architectural or engineering project. Additionally these
<br />drawings and seal(s) shall in no way convey or imply any type of warranty
<br />or certification relating to the performance of products and materials
<br />beyond those provided by their respective manufacturer.
<br />© 2025 Oculus Inc.
<br />03/10/2026
<br />Matthew R. Case, Engineer
<br />CA # M41121
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