1、U 3515789 0875802 917 DEPARTMENT OF THE ARMY U.S. ARMY CORPS OF ENGINEERS CECS-11313 (May 1998) Superseding CECS-02751 (November 1989) CUIDE SPECIFICATION FOR CONSTRUCTION SECTION TABLE OF CONTENTS DIVISION 11 - EQUIPMENT SECTION 11313 PNEUMATIC SEWAGE EJECTORS 05/98 PART 1 GENERAL 1.1 REFERENCES 1.
2、2 SUBMITTALS 1.3 DELIVERY AND STORAGE 1.4 FIELD MEASUREMENTS PART 2 PRODUCTS 2.1 GENERAL MATERIAL AND EQUIPMENT REQUIREMENTS 2.1.1 Standard Products 2.1.2 Nameplates 2.1.3 Special Tools 2.1.4 Protection from Moving Parts 2.2 GENERAL PERFORMANCE 2.3 MATERIALS AND EQUIPMENT 2.3.1 Check Valves 2.3.2 Ca
3、st Iron Gate Valves 2.3.3 Bronze Gate Valves 2.3.4 Motor Controls 2.3.5 Cast Iron Pipe 2.3.6 Steel Pipe 2.3.7 Cast Iron Pipe Fittings 2.3.8 Malleable Iron Fittings 2.3.9 Malleable Iron Unions 2.3.10 Pipe Hangers and Supports 2.3.11 Bolts, Nuts, Anchors, and Washers 2.4 SEWAGE RECEIVER 2.5 AIR COMPRE
4、SSOR 2.6 AIR RESERVOIR 2.7 ELECTRIC MOTOR 2.8 CONTROLS 2.9 ELECTRICAL WORK PART 3 EXECUTION SECTION 11313 Page 1 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-m 3515789 0875803 853 m 3.1 PIPING INSTALLATION 3.1.1 Cast Iron Pipe Joints 3.1.2 Steel P
5、ipe Joints 3.1.3 Pipe Hangers and Supports 3.2 VALVE INSTALLATION 3.2.1 Gate Valves 3.2.2 Check Valves 3.3 EQUIPMENT INSTALLATION 3.4 PAINTING 3.5 CONCRETE FOUNDATIONS 3.6 TESTS 3.7 MANUFACTURERS SERVICES - End of Section Table of Contents - SECTION 11313 Page 2 Provided by IHSNot for ResaleNo repro
6、duction or networking permitted without license from IHS-,-,- W 3535789 0875804 79T W DEPARTMENT OF THE ARMY U.S. ARM CORPS OF ENGINEERS CEGS- 11313 (May 1998) Superseding CEGS-02751 (November 1989) GUIDE SPECIFICATION FOR CONSTRUCTION SECTION 11313 PNEUMATIC SEWAGE EJECTORS 05/98 NOTE: requirements
7、 for pneumatic sewage ejectors. guide specification is to be used in the preparation of project specifications in accordance with ER This guide specification covers the This 1110-345-700. Comments and suggestions on this guide specification are welcome and should be directed to the proponent of the
8、specification. including their organization designation and telephone number, is at RL http:/www.hud.usace.army.mil/techinfo/index.htm, and an electronic feedback page for submission of recommended changes is available at the same address. Use of electronic communication is encouraged. A listing of
9、proponents, PART 1 GENERAL 1.1 REFERENCES NOTE: Issue (date) of references included in project specifications need not be more current than provided by the latest change (Notice) to this guide specification. The publications listed below form a part of this specification to the extent referenced. Th
10、e publications are referred to in the text by the basic designation only. AMERICAN SOCIETY FOR TESTING AND MATERIALS (ASTM) ASTM A 53 (1997) Pipe, Steel, Black and Hot-Dipped, Zinc-Coated, Welded and Seamless SECTION 11313 Page 3 Provided by IHSNot for ResaleNo reproduction or networking permitted w
11、ithout license from IHS-,-,-ASTM A 153 3515789 0875805 b2b a (1996) Zinc Coating (Hot-Dip) on Iron and Steel Hardware AMERICAN SOCIETY OF MECHANICAL ENGINEERS (ASME) ASME B1.20.1 ASME B16.1 (1983; R 1992) Pipe Threads, General Purpose (Inch) (1989) Cast Iron Pipe Flanges and Flanged Fittings ASME B1
12、6.3 (1992) Malleable Iron Threaded Fittings ASME B16.39 ASME B19.3 ASME BPV VI11 Div 1 (1986; R 1994) Malleable Iron Threaded Pipe Unions Classes 150, 250, and 300 (1991; B19.3a; B19.3b) Safety Standard for Compressors for Process Industries (1995; Addenda Dec 1995, Dec 1996, Dec 1997) Boiler and Pr
13、essure Vessel Code; Section VIII, Pressure Vessels Division 1 - Basic Coverage AMERICAN WATER WORKS ASSOCIATION (AWWA) AWWA ANSI/AWWA C115/A21.15 (1994) Flanged Ductile-Iron Pipe with Ductile-Iron or Gray-Iron Threaded Flanges AWWA C203 (1991) Coal-Tar Protective Coatings and Linings for Steel Water
14、 Pipelines - Enamel and Tape - Hot-Applied MANUFACTURERS STANDARDIZATION SOCIETY OF THE VALVE AND FITTINGS INDUSTRY (MSS) MSS SP-58 MSS SP-69 MSS SP-70 MSS SP-80 NEMA 250 (1993) Pipe Hangers and Supports - Materials, Design and Manufacture (1996) Pipe Hangers and Supports - Selection and Application
15、 (1990) Cast Iron Gate Valves, Flanged and Threaded Ends (1997) Bronze Gate, Globe, Angle and Check Valves NATIONAL ELECTRICAL MANUFACTURERS ASSOCIATION (NEMA) NEMA ICs 2 (1991) Enclosures for Electrical Equipment (1000 Volts Maximum) (1993) Industrial Control and Systems Controllers, Contactors, an
16、d Overload Relays Rated Not More Than 2,000 Volts AC or 750 Volts DC SECTION 11313 Page 4 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-m 3515789 0875806 562 E NEM?, MG 1 (1993; Rev 1; Rev 2; Rev 3) Motors and Generators STEEL STRUCTURES PAINTING C
17、OUNCIL (SSPC) SSPC PS 11.01 (1991) Black (or Dark Red) Coal Tar Epoxy-Polyamide Painting System 1.2 SUBMITTALS NOTE: for adequate quality control. item in the project should be one ofthe primary factors in determining if a submittal for the item should be required. Submittals must be limited to thos
18、e necessary The importance of any Indicate submittal classification in the blank space using “GA“ when the submittal requires Government approval or “FIO“ when the submittal is for information only. Government approval is required for submittals with a “GA“ designation; submittals having an “FIO“ de
19、signation are for information only. The following shall be submitted in accordance with Section 01330 SUBMITTAL PROCEDURES : SD-O1 Data Materials and Equipment; 1. Sewage Receiver; J. Air Compressor ; 1. Air Reservoir; 3. Electric Motor; 1. Controls; - I. Data shall consist of manufacturers descript
20、ive and technical literature, catalog cuts, performance charts and curves, and installation instructions. SD-04 Drawings Pneumatic Sewage Ejector System; I. Drawings shall contain complete wiring and schematic diagrams and any other details required to demonstrate that the system has been coordinate
21、d and will function as a unit. Drawings shall show proposed layout and anchorage of equipment and appurtenances, and equipment relationship to other parts of the work including clearances for maintenance and operation. SD-19 Operation and Maintenance Manuals Pneumatic Sewage Ejector System; I. Six c
22、opies of operation and six copies of maintenance manuals are required for the equipment furnished. One complete set shall be furnished prior to performance testing and the remainder shall be furnished upon acceptance. Manuals shall be approved prior to the field training course. Operating manuals sh
23、all detail the step-by-step procedures required for system start-up, operation, and shut-down. Operating manuals shall include the manufacturers name, model number, SECTION 11313 Page 5 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-351578 0875807 4
24、T9 U parts list, and a brief description of all equipment and their basic operating features. Spare parts data for each different item of material and equipment specified shall include a complete list of parts and supplies, with current unit prices and source of supply. Maintenance manuals shall lis
25、t routine maintenance procedures, possible breakdowns and repairs, and troubleshooting guides. Maintenance manuals shall include piping and equipment layout and simplified wiring and control diagrams of the system as installed. 1.3 DELIVERY AND STORAGE Equipment delivered and placed in storage shall
26、 be stored with protection from the weather, excessive humidity and excessive temperature variation; and dirt, dust, or other contaminants. 1.4 FIELD MEASUREMENTS The Contractor shall become familiar with all details of the work, verify all dimensions in the field, and shall advise the Contracting O
27、fficer of any discrepancy before performing the work. PART 2 PRODUCTS 2.1 GENERAL MATERIAL AND EQUIPMENT REQUIREMENTS 2.1.1 Standard Products Materials and equipment shall be the standard products of a manufacturer regularly engaged in the manufacture of such products and shall essentially duplicate
28、 items that have been in satisfactory use for at least 2 years prior to bid opening. Equipment shall be supported by a service organization that is, in the opinion of the Contracting Officer, reasonably convenient to the site. 2.1.2 Nameplates Each major item of equipment shall have the manufacturer
29、s name, address, type or style, model or serial number, and catalog number on a plate secured to the item of equipment. 2.1.3 Special Tools One set of special tools, calibration devices, and instruments required for operation, calibration, and maintenance of the equipment shall be provided. 2.1.4 Pr
30、otection from Moving Parts Belts, pulleys, chains, couplings, projecting setscrews, keys, and other rotating parts located so that any person can come in close proximity thereto shall be fully enclosed or guarded. 2.2 GENERAL PERFORMANCE NOTE: project. up to 65 mm (2-1/2 inches). required to be hand
31、led depending on type of solids in entering sewage. Select maximum sphere size required for Normal facilities allow entrance of solids Larger solids may be SECTION 11313 Page 6 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-w 351i5789 0875808 335 Co
32、nsider requiring small capacity ejectors for office buildings and small residential group applications be provided as completely factory assembled, preconnected and coordinated components, packaged units for ease in installation. The sewage ejectors shall be of the duplex pneumatic type and shall be
33、 complete with receivers, receivers and compressors, electric motors, control equipment, piping, and all necessary accessories. Capacities of all equipment and materials shall be not less than those specified or indicated. Ejector shall be able to pass through maximum sphere size of 65 mm (2-1/2 inc
34、h) 75 mm (3 inch) lo0 mm (4 inch) lmm ( - inch) 2-1/2 inch 3 inch 4 inch 3 inch diameter. 2.3 MATERIALS AND EQUIPMENT Materials and equipment shall conform to the following requirements: 2.3.1 Check Valves Check valves shall conform to MSS SP-80, Type 3 or 4, Class 125, except that valves on the dis
35、charge side of the receivers shall be provided with replaceable valve seats. 2.3.2 Cast Iron Gate Valves NOTE: Consider ball valves for small capacity, 1.25 - 2.5 liters per second (20-40 gpm), ejectors. For 80 to 100 mm (3-4 inch) valves, manufacturers claim noiseless operation with virtually no we
36、ar on moving parts. Cast iron gate valves shall conform to MSS SP-70, Type I, II, or III, Class 125, threaded or flanged ends. 2.3.3 Bronze Gate Valves NOTE: Consider ball valves for small capacity, 1.25 - 2.5 liters per second (20-40 gpm), ejectors. For 80 to 100 mm (3-4 inch) valves, manufacturers
37、 claim noiseless operation with virtually no wear on moving parts. Bronze gate valves shall conform to MSS SP-80, Type 1, Class 125 2.3.4 Motor Controls Motor controls shall conform to NEMA ICs 2. 2.3.5 Cast Iron Pipe SECTION 11313 Page 7 Provided by IHSNot for ResaleNo reproduction or networking pe
38、rmitted without license from IHS-,-,-Cast iron pipe shall conform to AWWA ANSI/AWWA C115/A21.15, Class 150, as applicable to pipe barrel only; ASME B16.1, Class 125, for pipe flange. 2.3.6 Steel Pipe Steel pipe shall conform to ASTM A 53, standard weight, zinc coated. 2.3.7 Cast Iron Pipe Fittings C
39、ast iron pipe fittings shall conform to ASME B16.1. 2.3.8 Malleable Iron Fittings Malleable iron fittings shall conform to ASME B16.3. 2.3.9 Malleable Iron Unions Malleable iron unions shall conform to ASME B16.39, Type B. 2.3.10 Pipe Hangers and Supports Pipe hangers and supports shall conform to M
40、SS SP-58 and MSS SP-69, Type - 1 hanger, Type 3 supports. 2.3.11 Bolts, Nuts, Anchors, and Washers Bolts, nuts, anchors, washers, and all other types of support necessary for the installation of the equipment shall be furnished and shall be of steel galvanized according to ASTM A 153. 2.4 SEWAGE REC
41、EIVER Sewage receiver shall be of cast iron or welded steel construction conforming to ASME BPV VI11 Div 1. Sewage inflow and outflow pipe connections shall be flanged; air-supply and vent-piping connections shall be screwed. Pipe threads shall conform to ASME B1.20.1, and pipe flanges shall conform
42、 to ASME B16.1. The receiver shall be designed for a working pressure of 3 kPa (psi) psi and tested at a pressure 50 percent greater than the working pressure. Receiver shall be provided with suitable support and a manhole or handhole conveniently located. Steel receiver shall be coated inside insid
43、e and outside with coal tar primer and enamel conforming to the requirements of AWWA C203 in all respects of material and application, or shall be coated with a coal-tar epoxy paint system conforming to the requirements of SSPC PS 11.01. The interior walls of the receiver and inflow and outflow open
44、ings, approaches and fittings shall be free from any obstructions that might interfere with the free passage of raw unscreened sewage. Ejector unit shall have sufficient capacity for the discharge of sanitary sewage under the conditions of rate of flow, static head, and friction loss. As used herein
45、, rate of flow is the continuous rate of flow into the ejector station; static head is the difference between the invert elevations of the inlet sewer to the ejector station and the force main at the point of final discharge; and friction loss is computed on the basis of the indicated continuous rat
46、e of flow. 2.5 AIR COMPRESSOR NOTE: central plant, this paragraph will be deleted. If a If compressed air is to be supplied from a SECTION 11313 Page 8 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,- m 3515789 0875810 T m central air supply is used,
47、 a pressure-reducing valve may be required and will be specified. Indicate m /s (cfm) and kPa (psi) requirements for compressors on the drawings. Include an air reservoir to the air compressor in this paragraph if needed. 3 Air shall be supplied to the sewage receivers by air compressors of capaciti
48、es indicated to supply air to operate the ejectors. Each compressor shall be equipped with suction silencer, complete automatic lubrication system, an air filter, and means for cooling. The compressors shall be designed for operation without water seal or any water connection. The air compressor sha
49、ll conform to ASME B19.3. Air compressor unit shall be a factory packaged assembly. Each duplex compressor system shall be provided with automatic alternation system manual alternation system. 2.6 AIR RESERVOIR NOTE: than 1000 mm (36 inches) in diameter. An inspection opening will be specified for tanks 1000 mm (36 inches) in diameter or smaller. A
