1、*USACE / NAVFAC / AFCESA / NASA UFGS-23 25 00 (November 2008)-Preparing Activity: USACE SupersedingUFGS-23 25 00 (April 2006)UNIFIED FACILITIES GUIDE SPECIFICATIONSReferences are in agreement with UMRL dated October 2008*SECTION TABLE OF CONTENTSDIVISION 23 - HEATING, VENTILATING, AND AIR CONDITIONI
2、NGSECTION 23 25 00CHEMICAL TREATMENT OF WATER FOR MECHANICAL SYSTEMS11/08PART 1 GENERAL1.1 REFERENCES1.2 SYSTEM DESCRIPTION1.3 SUBMITTALS1.4 QUALITY ASSURANCE1.4.1 Safety1.4.2 Drawings1.5 DELIVERY, STORAGE, AND HANDLING1.6 MAINTENANCEPART 2 PRODUCTS2.1 STANDARD PRODUCTS2.2 NAMEPLATES2.3 ELECTRICAL W
3、ORK2.4 GAUGES2.5 WATER ANALYSIS2.6 CONDENSER WATER TREATMENT SYSTEMS2.6.1 Condenser Water Limits2.6.2 Glycol Solution2.6.3 Chemical Treatment for Small Systems2.6.4 Chemical Treatment for Large Systems2.6.4.1 General Requirements2.6.4.2 Chemical Feed Pumps and Tanks2.6.4.3 Chemical Injection Assembl
4、y2.6.4.4 Water Meter2.6.4.5 Timers2.6.4.6 Bleed (Blowdown) Line2.6.4.7 Control Panel2.6.4.8 Chemical Piping2.6.4.9 Sequence of Operation2.6.4.10 Test Kits2.7 CHILLED WATER SYSTEM2.7.1 Requirements for Glycol Solution2.7.2 Chilled Water TreatmentSECTION 23 25 00 Page 1Provided by IHSNot for ResaleNo
5、reproduction or networking permitted without license from IHS-,-,-2.7.3 Dual Temperature Systems2.7.4 Chilled Water Test Kits2.8 LOW AND MEDIUM TEMPERATURE HOT WATER BOILERS AND HEAT EXCHANGERS2.8.1 Chemical Feeder2.8.2 Water Softening System2.8.3 Low and Medium Temperature Hot Water Treatment2.8.4
6、Dual Temperature Systems2.8.5 Test Kit Requirements2.9 HIGH TEMPERATURE HOT WATER BOILERS2.9.1 Chemical Feeder Unit2.9.2 Pumps and Tanks2.9.3 Water Softening System2.9.4 Treated Water Limits2.10 Test Kit2.11 STEAM BOILER WATER TREATMENT2.11.1 Boiler Water Limits2.11.2 Water Softening System2.11.3 Bo
7、iler Water Treatment System2.11.4 Steam Boiler Chemical Feed Pumps and Tanks2.11.5 Steam Boiler Chemical Injection Assemblies2.11.6 Steam Boiler Water Meter2.11.7 Steam Boiler Timers2.11.8 Steam Boiler Control Panel2.11.9 Boiler Blowdown2.11.10 Boiler Chemical Piping2.11.11 Boiler Test Kits2.12 SUPP
8、LEMENTAL COMPONENTS/SERVICESPART 3 EXECUTION3.1 EXAMINATION3.2 INSTALLATION3.3 PIPING3.4 TRAINING COURSE3.5 TESTS3.5.1 Condenser Water Quality Tests3.5.1.1 Small Systems (weekly)3.5.1.2 Tests for Large Systems (daily)3.5.2 Chilled Water Testing (monthly)3.5.3 Hot Water Boiler Water Quality Testing3.
9、5.3.1 Low and Medium Temperature Systems (monthly)3.5.3.2 High Temperature Hot Water Systems (daily)3.5.4 Steam Boiler Water Testing3.5.4.1 Small Steam Systems3.5.4.2 Medium Steam Systems (twice weekly)3.5.4.3 Large Steam Systems (daily)3.5.5 Quality Assurance Testing3.5.5.1 Condenser Water Quality
10、Assurance Tests3.5.5.2 Chilled Water Quality Assurance Testing (quarterly)3.5.5.3 Hot Water Boiler Water Quality Assurance Testing3.5.5.4 Steam Boiler Water Quality Assurance Tests3.5.6 Corrosion Testers3.6 INSPECTIONS3.6.1 Inspection General Requirements3.6.2 Boiler/Piping Test- End of Section Tabl
11、e of Contents -SECTION 23 25 00 Page 2Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-*USACE / NAVFAC / AFCESA / NASA UFGS-23 25 00 (November 2008)-Preparing Activity: USACE SupersedingUFGS-23 25 00 (April 2006)UNIFIED FACILITIES GUIDE SPECIFICATIONS
12、References are in agreement with UMRL dated October 2008*SECTION 23 25 00CHEMICAL TREATMENT OF WATER FOR MECHANICAL SYSTEMS11/08*NOTE: This guide specification covers the requirements for chemical treatment of water for mechanical systems.Edit this guide specification for project specific requiremen
13、ts by adding, deleting, or revising text. For bracketed items, choose applicable items(s) or insert appropriate information.Remove information and requirements not required in respective project, whether or not brackets are present.Comments and suggestions on this guide specification are welcome and
14、 should be directed to the technical proponent of the specification. A listing of technical proponents, including their organization designation and telephone number, is on the Internet.Recommended changes to a UFGS should be submitted as a Criteria Change Request (CCR).*PART 1 GENERAL1.1 REFERENCES
15、*NOTE: This paragraph is used to list the publications cited in the text of the guide specification. The publications are referred to in the text by basic designation only and listed in this paragraph by organization, designation, date, and title.Use the Reference Wizards Check Reference feature whe
16、n you add a RID outside of the Sections Reference Article to automatically place the reference in the Reference Article. Also use the Reference Wizards Check Reference feature to update SECTION 23 25 00 Page 3Provided by IHSNot for ResaleNo reproduction or networking permitted without license from I
17、HS-,-,-the issue dates.References not used in the text will automatically be deleted from this section of the project specification when you choose to reconcile references in the publish print process.*The publications listed below form a part of this specification to the extent referenced. The publ
18、ications are referred to within the text by the basic designation only.ASME INTERNATIONAL (ASME)ASME B40.100 (2005) Pressure Gauges and Gauge AttachmentsASTM INTERNATIONAL (ASTM)ASTM D 1384 (2005e1) Corrosion Test for Engine Coolants in GlasswareASTM D 2688 (2005) Corrosivity of Water in the Absence
19、 of Heat Transfer (Weight Loss Methods)ASTM D 596 (2001; R 2006) Reporting Results of Analysis of WaterNATIONAL ELECTRICAL MANUFACTURERS ASSOCIATION (NEMA)NEMA 250 (2003) Enclosures for Electrical Equipment (1000 Volts Maximum)NEMA MG 1 (2007) Standard for Motors and GeneratorsU.S. ARMY CORPS OF ENG
20、INEERS (USACE)PWTB 420-49-5 (1998) Industrial Water Treatment ProceduresU.S. DEPARTMENT OF DEFENSE (DOD)UFC 3-230-08A (2004) Water Supply: Water Treatment1.2 SYSTEM DESCRIPTIONThis section covers the provisions and installation procedures necessary for a complete and totally functional water system(
21、s) chemical treatment. Provide and install the system with all necessary System Components, Accessories, Piping Components, and Supplemental Components/Services.1.3 SUBMITTALS*NOTE: Review submittal description (SD) definitions in Section 01 33 00 SUBMITTAL PROCEDURES and edit the following list to
22、reflect only the submittals required for the project. Submittals should be kept to the minimum required for adequate quality control.SECTION 23 25 00 Page 4Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-A “G” following a submittal item indicates tha
23、t the submittal requires Government approval. Some submittals are already marked with a “G”. Only delete an existing “G” if the submittal item is not complex and can be reviewed through the Contractors Quality Control system. Only add a “G” if the submittal is sufficiently important or complex in co
24、ntext of the project.For submittals requiring Government approval on Army projects, a code of up to three characters within the submittal tags may be used following the “G“ designation to indicate the approving authority. Codes for Army projects using the Resident Management System (RMS) are: “AE“ f
25、or Architect-Engineer; “DO“ for District Office (Engineering Division or other organization in the District Office); “AO“ for Area Office; “RO“ for Resident Office; and “PO“ for Project Office. Codes following the “G“ typically are not used for Navy, Air Force, and NASA projects.Choose the first bra
26、cketed item for Navy, Air Force and NASA projects, or choose the second bracketed item for Army projects.*Government approval is required for submittals with a “G“ designation; submittals not having a “G“ designation are for Contractor Quality Control approval.information only. When used, a designat
27、ion following the “G“ designation identifies the office that will review the submittal for the Government. Submit the following in accordance with Section 01 33 00 SUBMITTAL PROCEDURES:SD-03 Product DataWater Treatment System; G; G, _Water Analysis; G; G, _Six _ complete copies, at least 5 weeks pri
28、or to the purchase of the water treatment system, of the proposed water treatment plan including a layout; control scheme; a list of existing make-up water chemistry, including the items listed in paragraph Water Analysis; a list of treatment chemicals to be added; the proportion of chemicals to be
29、added; the final treated water control levels; and a description of health, safety and environmental concerns for handling the chemicals plus any special ventilation requirements.Spare PartsSpare parts data for each different item of material and equipment specified.Field InstructionsInstructions, a
30、t least 2 weeks prior to construction completion, including equipment layout, wiring and control diagrams, piping, SECTION 23 25 00 Page 5Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-valves and control sequences, and typed condensed operation inst
31、ructions. The condensed operation instructions shall include preventative maintenance procedures, methods of checking the system for normal and safe operation, and procedures for safely starting and stopping the system. The posted instructions shall be framed under glass or laminated plastic and pos
32、ted where indicated by the Contracting Officer.Tests; G; G, _Test schedules, at least 2 weeks prior to the start of related testing, for the condenser/chilled/boiler/condensate/feedwater water quality tests. The schedules shall identify the date, time, frequency and collection location for each test
33、.Demonstrations; G; G, _A schedule, at least 2 weeks prior to the date of the proposed training course, which identifies the date, time, and location for the training.SD-06 Test ReportsCondenser Water Quality Assurance TestsTest reports in bound 216 by 279 mm 8-1/2 by 11 inch booklets. The reports s
34、hall identify the chemical composition of the condenser water. The reports shall also include a comparison of the manufacturers or chemical vendors recommended operating conditions for the cooling tower and condenser in relation to the actual condition of the condenser water. Any required corrective
35、 action shall be documented within the report.Steam Boiler Water Quality Assurance TestsThe water quality test report identifying the chemical composition of the boiler, feedwater and condensate water. The report shall include a comparison of the condition of the boiler water with the manufacturers
36、or chemical vendors recommended conditions. Any required corrective action shall be documented within the report.SD-10 Operation and Maintenance DataWater Treatment SystemSix _ complete copies of operating and maintenance manuals for the step-by-step water treatment procedures. The manuals shall inc
37、lude testing procedures used in determining water quality.1.4 QUALITY ASSURANCE1.4.1 Safety*NOTE: Catwalk, ladder and guardrail may be required. If so, select the applicable item and delete the others and indicate on drawings the SECTION 23 25 00 Page 6Provided by IHSNot for ResaleNo reproduction or
38、 networking permitted without license from IHS-,-,-selected item. If not applicable, delete the entire sentence within the brackets.*Exposed moving parts, parts that produce high operating temperature, parts which may be electrically energized, and parts that may be a hazard to operating personnel s
39、hall be insulated, fully enclosed, guarded, or fitted with other types of safety devices. Install safety devices so that proper operation of equipment is not impaired. Provide catwalk, ladder, and guardrail where indicated and in accordance with Section 05 50 13 MISCELLANEOUS METAL FABRICATIONS 05 5
40、1 33 METAL LADDERS.1.4.2 DrawingsBecause of the small scale of the drawings, it is not possible to indicate all offsets, fittings, and accessories that may be required. Carefully investigate the plumbing, fire protection, electrical, structural and finish conditions that would affect the work to be
41、performed and arrange such work accordingly, furnishing required offsets, fittings, and accessories to meet such conditions.1.5 DELIVERY, STORAGE, AND HANDLINGProtect all equipment delivered and placed in storage from the weather, humidity and temperature variations, dirt and dust, or other contamin
42、ants.1.6 MAINTENANCESubmit spare parts data for each different item of material and equipment specified, after approval of the detail drawings, not later than _ months prior to the date of beneficial occupancy. The data shall include a complete list of parts and supplies, with source of supplyPART 2
43、 PRODUCTS 2.1 STANDARD PRODUCTSa. Provide materials and equipment which are standard products of a manufacturer regularly engaged in the manufacturing of such products, that are of a similar material, design and workmanship and that have been in satisfactory commercial or industrial use for two year
44、s prior to bid opening.b. The two-year use shall include applications of equipment and materials under similar circumstances and of similar size. The two years experience shall have been satisfactorily completed by a product which has been sold or is offered for sale on the commercial market through
45、 advertisements, manufacturers catalogs, or brochures. Products having less than a two-year field service record will be acceptable if a certified record of satisfactory field operation, for not less than 6000 hours exclusive of the manufacturers factory tests, can be shown.c. All products shall be supported by a service organization. Submit a certified list of qualified permanent service organizations for support of the equipment, including their addresses and ualificatio
