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High Purity Water Systs (RO) - MD Anderson Cancer Center

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High Purity Water Systs (RO) - MD Anderson Cancer Center

MD ANDERSON Project No. XX-XXXX MD ANDERSON PROJECT NAME

    A/E Name Issue Description

    A/E Project No. Month, 00, 0000

SECTION 22 67 13 HIGH PURITY WATER SYSTEMS (RO)

    PART 1 - GENERAL

    1.01 RELATED DOCUMENTS

    A. Drawings and general provisions of the Contract, including General and Supplementary

    Conditions and Division 01 Specification Sections, apply to this Section.

    B. Specifications throughout all Divisions of the Project Manual are directly applicable to this Section,

    and this Section is directly applicable to them.

    1.02 SUMMARY

    A. The water conditioning system/supplier shall be totally responsible for the supply and

    installation of the water treatment system to include the central RO water system, the

    building supply and return loop system, the final connection to the RO water outlet and

    quality assurance/quality controls of the entire system to assure meeting quality standards

    for CAP/NCCLS reagent water Specifications Type III at the point of use.

    B. The system/supplier shall guarantee that the water quality coming from the central system is

    the same quality at any point of use in the RO water loop system at initial start-up.

    C. Provide an RO system with capacities and electrical characteristics as scheduled on

    Contract Drawings. Scheduled gallons per day (24 hour period) shall be based on a feed

    water temperature of 77 degrees F.

    D. Provide complete system as manufactured by Marlo, Osmonics or Ionpure. 1.03 REFERENCE STANDARDS

    A. The latest published edition of a reference shall be applicable to this Project unless identified

    by a specific edition date.

    B. All reference amendments adopted prior to the effective date of this Contract shall be

    applicable to this Project.

    C. All materials, installation and workmanship shall comply with the applicable requirements

    and standards addressed within the following references:

    1. 2009 Edition of the International Plumbing Code.

    2. Texas Water Code Chapter 37

    3. Texas Health & Safety Code Chapter 341

    4. Title 30 Texas Administrative Code, Chapter 30, Subchapter H

    5. Underwriters Laboratories Listings.

    6. 2011 Edition of the National Electric Code

The University of Texas HIGH PURITY WATER SYSTEMS (RO)

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    7. ASME - Boiler and Pressure Vessel Code.

    8. ASTM D 3222 - Standard Specifications for Unmodified PVDF molding material.

    9. ASTM D 638 - Standard Test Method for Tensile Properties of Plastic.

    10. ASTM D 790 - Standard Test Method of Flexural Properties of Unreinforced and

    Reinforced Plastics and Electric Insulating Materials.

    1.04 QUALITY ASSURANCE

    A. Manufacturer’s name and contact information shall be permanently marked on equipment.

    B. Electrical Components, Devices, and Accessories: Listed and labeled as defined in NFPA

    70, Article 100, by a testing agency acceptable to authorities having jurisdiction, and marked

    for intended use.

    C. Manufacturer Qualifications: Company shall have minimum three years documented

    experience specializing in manufacturing the products specified in this section.

    D. Installer Qualifications:

    1. Company shall have minimum three years documented experience specializing in

    performing the Work of this section and be licensed by the State of Texas to install

    water treatment equipment.

    2. Installation of plumbing systems shall be performed by individuals licensed by the Texas

    State Board of Plumbing Examiners as a Journeyman or Master Plumber. Installation

    may be performed by Apprentice Plumbers provided they are registered with the Texas

    State Board of Plumbing examiners and under direct supervision of a licensed plumber.

    All installation shall be supervised by a licensed Master Plumber.

    3. All installers of water treatment equipment must meet the qualifications and be licensed

    according to the State of Texas.

    1.05 SUBMITTALS

    A. Product Data:

    1. Code and Standards compliance, manufacturer's data for pipe, fittings, valves, controls,

    water testing kits, and all furnished specialties, and accessories.

    2. Include rated pressures, temperatures, capacities and operating characteristics.

    3. Manufacturer’s installation instructions.

    B. Record Documents:

    1. Shop Drawings: Include plans, elevations, sections, details, and connections to piping

    systems. Indicate size, profiles, and dimensional service requirements of system based

    on the specific components being installed.

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

The University of Texas HIGH PURITY WATER SYSTEMS (RO)

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    A/E Name Issue Description

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    3. Manufacturer Certificates: Signed by manufacturers certifying that components comply

    with requirements.

    4. Maintenance service agreement.

    5. Provide full written description of manufacturer’s warranty including special warranty

    specified in this Section.

    6. Source and Site quality-control test reports.

    C. Operation and Maintenance Data:

    1. Include manufacturer’s operation instructions, start-up data, trouble-shooting check lists.

    2. Include system components manufacturer’s literature, servicing requirements, Record

    Documents, installation instructions, exploded assembly views, replacement part

    numbers and availability.

    3. Include cleaning procedures, preventive maintenance schedule, preventive maintenance

    recommendations and procedures.

    4. Identify place of purchase, location and contact numbers of service depot and technical

    support for each product installed.

    1.06 DELIVERY, STORAGE AND HANDLING

    A. Accept delivery of packaged high purity water equipment, storage vessel, etc. on Site in

    factory fabricated containers with shipping skids and pipe end protectors in place. Inspect for

    damage. Comply with manufacturers rigging and installation instructions.

    B. All components and materials shall be new, undamaged, and free of rust.

    C. Provide temporary protective coating and end plugs on valves not packaged within

    containers. Maintain in place until installation.

    D. Provide temporary end caps and closures on openings, connections, pipe and fittings.

    Maintain in place until installation.

    E. Protect piping systems from entry of foreign materials by temporary covers, completing

    sections of the Work and isolating parts of completed system.

    F. Protect all components and materials that are to be installed within this project from

    exposure to rain, freezing temperatures and direct sunlight. EXCEPTION: Materials

    manufactured for exterior locations.

    1.07 WARRANTY

    A. Warranty: Include, but not limited to, coverage for the RO water system, storage tank,

    pumps, softener system, all associated controls and accessories.

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MD ANDERSON Project No. XX-XXXX MD ANDERSON PROJECT NAME

    A/E Name Issue Description

    A/E Project No. Month, 00, 0000

    B. The system/supplier shall be responsible for the operation of the water treatment system for

    a period of one year from the date of Substantial Completion. During this period the

    system/supplier shall also be responsible for periodic ongoing training of the building

    maintenance personnel. The vendor shall supply all the necessary consumables for the first

    year of operation and include the labor to change out the consumables. A daily log indicating

    the performance of the system will be kept by the building maintenance personnel and

    reviewed by the system/supplier on a monthly basis.

    1.08 MAINTENANCE SERVICE

    A. Submit four copies of manufacturer's "Agreement for Continued Service and Maintenance,"

    before Substantial Completion, for Owner's acceptance. Offer terms and conditions for

    furnishing chemicals and providing continued testing and servicing to include replacing

    materials and equipment. Include one-year term of agreement with option for one-year

    renewal.

    PART 2 - PRODUCTS

    2.01 GENERAL

    A. All materials shall meet or exceed all applicable referenced standards, federal, state and

    local requirements, and conform to codes and ordinances of authorities having jurisdiction.

    B. The RO water central system will consist of the following components and include the

    interconnecting piping, valves, fittings, instrumentation, control wiring and electrical wiring to

    the equipment.

    1. Piping, Valves, Fittings

    2. Multi-layer Filter

    3. Activated Carbon Filter

    4. Water Softeners

    5. Reverse Osmosis System

    6. Storage Tank

    7. Level Controllers

    8. Repressure Pumps

    9. Ultraviolet Sterilizers

    10. Final Filters

    11. Instrumentation

    12. Control Panel

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MD ANDERSON Project No. XX-XXXX MD ANDERSON PROJECT NAME

    A/E Name Issue Description

    A/E Project No. Month, 00, 0000

2.02 PIPING, VALVES AND FITTINGS

    A. Pipe, valves and fittings from the reverse osmosis unit to include the supply and return

    building loop system shall be SYGEF, SDR-11 through SDR-21 (or pipe schedule

    equivalent), flame resistant, self-extinguishing polyvinylidene fluoride (PVDF) with heat

    fusion socket connections.

    B. Installation practices, including support spacing and joint fusion shall be in compliance with

    manufacturer’s printed recommendations.

    C. Material from which pipe, fitting and valves are manufactured shall conform to the standards

    of ASTM D 3222. The PVDF material shall have a tensile strength of 7,800 psi and a flexural

    strength of 10,750 psi when tested at 73;F according to ASTM D 638 and ASTM D 790 and

    shall be as manufactured by George Fischer Company or Simtech.

    D. To ensure installation uniformity, all system piping components shall be the products of one

    manufacturer.

    E. All piping shall be thoroughly rinsed and flushed to remove all dirt and debris before

    installation. After installation the Contractor shall flush the entire piping system with

    deionized water to the satisfaction of the Owner.

    F. Valves shall be diaphragm valve type and shall be manufactured of the same virgin,

    unpigmented molding compound as the fittings to assure compatibility.

    G. Diaphragm valves shall have PVDF body, PTEF diaphragm, seals, and seats. Valves shall

    carry a pressure rating of 150 psi at a minimum of 68?F, and shall be of socket fusion design

    as manufactured by George Fischer Company or Simtech.

    H. The reverse osmosis pretreatment shall be piped by the system/supplier rigid copper using

    “lead free” solder and install a pressure gauge and test port before and after each piece of

    equipment. Each unit shall be installed using a “H” type 3-valve bypass. The person doing

    this installation or person supervising this installation must possess a currently valid Texas

    Department of Health Class III Certificate.

    2.03 MULTI-LAYERED FILTER

    A. Provide a multi-layered filter that which shall reduce particulate matter from the water in

    order to lower the silt density index to lower than 5 and prevent particulate fouling of the RO

    membranes. Tank shall be of electric welded pressure vessel quality low carbon steel

    construction rated for 100 psig, working pressure and hydrostatically tested at 50% in excess

    of the working pressure. Tank shall have threaded NPT connections on the service inlet and

    outlet. Access opening for the tank shall include two 4” diameter or 4” x 6” elliptical

    handholes; one in tophead and one in lower side shell. Support shall be structural steel strap

    legs welded to lower tank head. Tank shall be sandblasted internally to white metal with 1 to

    1-? mil anchor pattern, then coated with 8-10 mils DFT epoxy polyamide. The exterior

    surface shall be cleaned and coated with 2-3 mils DFT rust resistant primer. Tank shall have

    sufficient diameter and side shell height in order to provide sufficient freeboard space for bed

    expansion without media loss during backwashing.

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    B. Upper distribution system shall be of the baffle type to evenly distribute the water over the

    entire tank area. Lower distribution system shall be of a proven design constructed with

    individual fine slotted non-clogging polyethylene strainers arranged for even flow distribution

    through the media bed. Slotted lateral arms are unacceptable. The distribution system shall

    be embedded in a single layer subfill of washed 1/8” x 1/16” gravel to support the media bed.

    C. The main operating valve shall be an industrial automatic multiport diaphragm type, slow

    opening and closing, free of water hammer. The diaphragm assembly shall be fully guided

    on its perimeter when pressure actuated from one position to another to assure a smooth

    reliable shut-off without sticking. There shall be no contact of dissimilar metals within the

    valve and no special tools shall be required to service the valve. The main operating valve

    shall be manufactured by the manufacturer of the filter. Valve shall have a treated water

    sampling cock. An automatic flow controller shall be provided to maintain proper backwash

    and flush rates over wide variation in operating pressures and require no field adjustment. D. The valve shall be operated by an electric time clock control with a 7 or 14 day calendar time

    clock control capable of backwashing the filter at a preset time every day. It shall include a

    manual override to permit manual initiation of backwashing and then return to automatic

    operation.

    E. Provide granular media (Multi-layered) consisting of three (3) distinct filter layers in addition

    to a support layer. Each layer shall be of a selected density and particle size to stratify in the

    same order following a backwash. The filter layers shall stratify with the coarsest layer at the

    top and the finest layer at the bottom. Particle retention shall be 10 micron or larger. F. Acceptable manufacturers: Watertech, Marlo, Culligan or Owner approved equal.

    2.04 ACTIVATED CARBON FILTER

    A. Provide an activated carbon filter that shall reduce chlorine from the water to a level not to

    exceed <0.1 ppm (0.1 mg/1) as determined by an accepted water analysis of the treated

    water when the unit is operated at design flow and in accordance with operating instructions.

    In order to provide TOC reduction a maximum flow of 1 GPM per cubic foot of carbon. Tank

    shall be of electric welded pressure vessel quality low carbon steel construction rated for 100

    psig, working pressure and hydrostatically tested at 50% in excess of the working pressure.

    Tank shall have threaded NPT connections on the service inlet and outlet. Access opening

    for the tank shall include two 4” diameter or 4” x 6” elliptical handholes; one in tophead and

    one in lower side shell. Support shall be structural steel strap legs welded to lower tank head.

    Tank shall be sandblasted internally to white metal with 1 to 1-? mil anchor pattern, then

    coated with 8-10 mils DFT epoxy polyamide. The exterior surface shall be cleaned and

    coated with 2-3 mils DFT rust resistant primer.

    B. Upper distribution system shall be of the baffle type to evenly distribute the water over the

    entire tank area. Lower distribution the water over the entire tank area. Lower distribution

    system shall be of a proven design constructed with individual fine slotted non-clogging

    polyethylene strainers arranged for even flow distribution through the media bed. Slotted

    lateral arms are unacceptable. The distribution system shall be embedded in a single layer

    subfill of washed 1/8” x 1/16” gravel to support the media bed.

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    A/E Name Issue Description

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    C. The main operating valve shall be an industrial automatic multiport diaphragm type, slow

    opening and closing, free of water hammer. The diaphragm assembly shall be fully guided

    on its perimeter when pressure actuated from one position to another to assure a smooth

    reliable shut-off without sticking. There shall be no contact of dissimilar metals within the

    valve and no special tools shall be required to service the valve. The main operating valve

    shall be manufactured by the manufacturer of the filter. Valve shall have a treated water

    sampling cock. An automatic flow controller shall be provided to maintain proper backwash

    and flush rates over wide variation in operating pressures and require no field adjustment.

    D. The valve shall be operated by an electric time clock control with a 7 or 14 day calendar time

    clock control capable of backwashing the filter at a preset time every day. It shall include a

    manual override to permit manual initiation of backwashing and then return to automatic

    operation. The valve shall have a 1-year parts warranty and vendor shall provide 1 year of

    service warranty (labor).

    E. Provide granular media (Activated Carbon) made from selected grades of bituminous coal

    combined with suitable binders to give superior hardness and long life. It shall have an iodine

    number of at least 850 and a minimum abrasion number of 75. Particle retention shall be

    forty (40) micro or larger.

    F. Acceptable manufacturers: Watertech, Marlo, Culligan or Owner approved equal.

    2.05 SOFTENERS

    A. A twin automatic water softener shall be provided to reduce water hardness, as CaCO3, to

    less than 5 ppm, as determined by an accepted water analysis of the treated water, when the

    unit is operated at design flow and in accordance with the operating instructions. The

    automatic softening system shall consist of two resin tanks each with C-300 resinous zeolite.

    Each unit shall operate at design flow rate with a pressure loss not exceeding 15 psi and a

    peak flow rate with 25 psi loss.

    B. The tanks shall have 50% or more freeboard, 100 psi working pressure and 150 psi test

    pressure, with structural steel legs welded to the tanks. Tanks shall be sand blasted to bare

    metal and internally lined with epoxy (Plastite 7133 or equal). Exterior shall be coated with a

    rust preventative prime coat. The tank shall have a manhole in the top head. The lower

    distribution system shall be PVC header lateral with individual PVC distributors: located to

    equally distribute flow and require only one layer of gravel. The upper distributor shall be

    baffle type.

    C. The ion exchange resin shall be virgin high capacity sulfonated polystyrene type stable over

    the entire pH range with good resistance to bead fracture from attrition or osmotic shock.

    Each cubic foot of resin shall be capable of removing 30,000 grains of hardness as calcium

    carbonated when regenerated with 15 pounds of sodium chloride and 20,000 grains of

    hardness as calcium carbonate when regenerated with 6 pounds of sodium chloride.

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    A/E Name Issue Description

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    D. Provide an automatic brine measuring tank system for volume control of brine withdrawal

    and brine refill from an external source. The system shall consist of a brine measuring tank

    and a brine float assembly with brine transfer valve. Valves are pressure controlled through

    the action of a float actuated pilot control valve. The brine tank shall be made of rigid 3/8”

    thick rotationally molded polyethylene with cover. The brine float assembly is a diaphragm

    type fitted with a float actuated pilot control valve (Clayton Model No. 122). The brine

    transfer valve is a double acting diaphragm type pressured open and closed. Brine is

    transferred by gravity or pressure pump system. Provide automatic controls to activate brine

    refill pump.

    E. Each softener shall be automatic multiport diaphragm type with slow opening and closing

    and free of water hammer. The pressure actuated valve shall move from one position to

    another without friction. There will be no contact between dissimilar metals within the valve.

    Parts subject to wear will be replaceable using common tools. The main control valve must

    be manufactured by the manufacturer of the softening equipment. The valve shall be

    equipped with an automatic self-adjusting brine injector to draw brine and rinse at a constant

    rate regardless of water pressure in the 30 to 100 psi range. Each valve shall have a water

    sampling cock. The regeneration shall be in this order: backwash, brine, slow rinse, fast

    down flow rinse, service stand-by.

    F. The controls shall have adjustable duration of the various steps in regeneration, allow for

    push-button start and provide for complete manual operation. Regeneration shall be initiated

    by an insertion type pulse generator and an installation fitting (tee/saddle) compatible with

    the specified piping to house the sensor providing ease of removal for inspection without

    disruption of the piping system. A 25 foot cable shall be provided for direct connection to the

    electronic control device. A low voltage signal output from the flow sensor shall transmit flow

    rate and volume totalization data directly to the electronic water treatment controller.

    Accuracy shall be +/-1% over the full range and repeatable to +/-0.5% of all range. One flow

    sensor shall be on the soft water outlet of each tank. Lockouts shall be provided to keep

    more than one tank at a time from going into regeneration. Flow controls for backwash and

    flush shall be fully automatic requiring no field adjustment.

    G. Acceptable manufacturers: Watertech, Marlo, Culligan or Owner approved equal.

    2.06 REVERSE OSMOSIS SYSTEM

    A. The reverse osmosis system shall be capable of providing gallons per day, as scheduled on

    Project Contract Construction Drawings, of permeate water with a Total Dissolved Solids

    level of less than 15 ppm at 21 degrees C. This system shall be capable of being expanded

    to increase capacity by twenty-five percent without the need to replace installed tanks, filters

    or controls. The system shall operate at a 65% recovery rate.

    B. The reverse osmosis system shall contain thin film composite, spiral-wound membranes

    within FRP or stainless steel pressure vessels in a 2 x 1 x 1 x 1 brine staged array. Each

    vessel shall have a working pressure rating of 300 psig at 100 degrees F.

    C. The reverse osmosis system shall utilize a multi-stage centrifugal pump. The impellers and

    diffusers shall be constructed of 316 stainless steel. The pump shall boost the supply

    pressure by 200 PSI at design flow.

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    D. A prefilter system with 5 micron pleated cartridge filters shall be included. Prefilter sizing

    shall be based on 1.0 gallon per minute per square foot of filter surface area. The filter

    housing shall be constructed of polypropylene.

    E. All low pressure piping shall be Schedule 80 PVC or specially qualified thermoplastic tubing.

    The high pressure piping shall be 316L stainless steel or special high pressure thermoplastic

    tubing. All welded pipe shall be passivated.

    F. All low pressure valves shall be PVC ball, ballcheck, or butterfly design. All high pressure

    (over 125 psi) valves shall be 316 stainless steel ball, butterfly, glove or needle valves. The

    system shall include a motorized inlet shut-off valve for systems isolation during shutdown.

    Cleaning valves and fittings shall be provided for membrane cleaning system connection. G. Glycerin filled pressure gauges shall be provided to measure filter pressure drops, pump

    discharge, membrane feed and reject. Process control gauges shall be panel mounted. H. Analog paddle wheel type flow meters shall be used to indicate the flow of the reject and

    product water in order to monitor the unit operations. These meters shall be panel mounted. I. All process equipment shall be affixed to and mounted on a structural steel skid. All

    fasteners are composed of stainless steel or PVC. Skids shall be painted with two zinc

    enriched primer coats and two acrylic enamel finishing coats. Both membrane housings and

    pump shall be mounted vertically.

    J. A centralized console shall be provided which shall control the operation of:

    1. Automatic interface with level or pressure controls.

    2. Pretreatment and post-treatment interlocks.

    3. Reverse osmosis system controls: All motor controls, starters and disconnect switches

    shall be furnished and shall be housed in a NEMA 12 steel enclosure. All local controls

    shall be rated NEMA 4X.

    K. All motors shall be ODP. Standard motor starters shall be high voltage across-the-line types. L. The following process monitoring devices shall be provided:

    1. A low pressure shut off switch on the suction side of the pump.

    2. A total dissolved solids monitor for both product and feed water quality.

    3. A high discharge pressure switch located on the discharge side of the pump. M. The following automatic features shall be provided on this system:

    1. Automatic shutdown relays, time delays and other devices necessary for automatic

    operation.

    2. The system shall start and stop either by manual or automatic control.

    3. All auxiliary process equipment shall be automatically switched “on” with plant start-up.

    All safety devices as previously described shall be operable in the manual mode.

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    4. All automatic shutdown shall be indicated after shutdown.

    N. Acceptable manufacturer: Water Equipment Technologies or accepted substitution. 2.07 STORAGE TANK

    A. Tank shall be vertical cylindrical type, made of low density polyethylene, with a non-vented

    manway located on the top. The tank shall be translucent with molded in calibrations. All

    tank connections shall be fused (bulk head connections are unacceptable). Polyethylene

    tanks shall be made of FDA approved resin. Provide a 10” HEPA filter made from PTFE

    rated at 0.2 microns, housed in a clear polycarbonate filter housing for the tank atmospheric

    vent. Provide tank openings as required for inlet, outlet, vent and level indications. 2.08 REPRESSURE PUMPS

    A. The pumps shall be vertical multi-staged centrifugal, with open drip-proof casing. The shaft,

    impellers, diffuser chambers, outer pump sleeve and suction interconnector shall be of 316

    stainless steel with 150 pound R.F. ANSI flange inlet and outlet connections. The motors

    shall be 460 volts, 3 phase, 60 cycle, with NEMA frame size, 3450 RPM. Pumps shall be

    direct coupled to standard NEMA C face motor with a 360 degree rabbeted fit to ensure

    positive alignment.

    B. Acceptable manufacturer: Grundfos or Owner approved equal.

    2.09 ULTRAVIOLET STERILIZERS

    A. Provide three ultraviolet sterilizers that shall be rated at a minimum of 150 GPM with 3-inch

    outlet and inlet stainless steel flanged connections. Lamps shall have manual wipers and use

    115 VAC, 60 Hz power. Pressure drop at maximum recommended flow must be 5 psi or less.

    The bulbs shall be 254 nanometers wave length type. One UV sterilizer is to be mounted just

    after the repressurization pumps and the other two are to be mounted just before the storage

    tank. The treatment chamber and all wetted parts shall be of 316 stainless steel. The

    sterilizers shall include elapsed running timemeter and ultraviolet dosage monitor with

    alarms for low intensity light. The equipment shall meet US Department of Health regulations.

    B. Acceptable manufacturer: Aquafine or Owner approved equal.

    2.10 FINAL FILTER

    A. Provide minimum of two round filter housings made from 316 stainless steel electropolished

    with all polypropylene filter cartridges with 222/fin configuration and Viton seals rated at 0.2

    microns nominal. Housing shall have a 180 grit electropolished finish and be rated at a

    working pressure of 150 psi. Filters shall be provided with elbow having 150 pound RF ANSI

    flange inlet and outlet connections.

    B. Acceptable manufacturer: Gelman, Pall or Owner approved equal.

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