1、*USACE / NAVFAC / AFCESA / NASA UFGS-35 01 42.00 10 (April 2008)-Preparing Activity: USACE SupersedingUFGS-35 01 42.00 10 (April 2006)UNIFIED FACILITIES GUIDE PECIFICATIONSReferences are in agreement with UMRL dated March 2008*SECTION TABLE OF CONTENTSDIVISION 35 - WATERWAY AND MARINE CONSTRUCTION35
2、 01 42.00 10VERTICAL GATE LIFT SYSTEMS04/08PART 1 GENERAL1.1 REFERENCES1.2 SYSTEM DESCRIPTION1.2.1 Operations and Maintenance (O R 2003) Rating the Pitting Resistance and Bending Strength of Generated Straight Bevel, ZEROL Bevel, and Spiral Bevel Gear TeethAGMA 2015/915-1 (2002a) Supplement Tables -
3、 Accuracy Classification System - Tangential Measurement Tolerance Tables for Cylindrical GearsAGMA 6010 (1997f) Standard for Spur, Helical, Herringbone, and Bevel Enclosed DrivesASME INTERNATIONAL (ASME)ASME B17.1 (1967; R 2003) Keys and KeyseatsASTM INTERNATIONAL (ASTM)ASTM B 584 (2006a) Standard
4、Specification for Copper Alloy Sand Castings for General ApplicationsINSTITUTE OF ELECTRICAL AND ELECTRONICS ENGINEERS (IEEE)IEEE Std 112 (2004) Standard Test Procedure for Polyphase Induction Motors and GeneratorsSECTION 35 01 42.00 10 Page 4Provided by IHSNot for ResaleNo reproduction or networkin
5、g permitted without license from IHS-,-,-NATIONAL ELECTRICAL MANUFACTURERS ASSOCIATION (NEMA)NEMA MG 1 (2007) Standard for Motors and Generators1.2 SYSTEM DESCRIPTIONThe equipment to be furnished under this specification consists of _ gate hoist units, and spares. Furnish the units complete, includi
6、ng base supports, geared drives, brakes, motors, shafts, bearings, wire rope, electrical equipment, controls, covers, guards, and other necessary items. Design and manufacture of the vertical gate machinery units shall be provided to the Contractor by a firm that has been normally and regularly enga
7、ged in design, assembly, and manufacture of heavy machinery over the preceding 5 _ years. Dimensions shown on the drawings and in the Bill of Materials for the Gate Machinery including structural supports shall not be changed without written approval from the Contracting Officer. Each piece of equip
8、ment shall be provided with a metallic _ nameplate firmly attached. The nameplate shall bear the manufacturers name, model designation, serial number, unit rating, application factor, reduction ratios, and any other applicable information. Detail Drawings shall be submitted as specified in the Submi
9、ttals paragraph.1.2.1 Operations and Maintenance (O “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
10、projects.Choose the first bracketed 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. informati
11、on only. When used, a designation following the “G“ designation identifies the office that will review the submittal for the Government. The following shall be submitted in accordance with Section 01 33 00 SUBMITTAL PROCEDURES:SD-02 Shop DrawingsDetail Drawings; G; G, _Equipment dimensional drawings
12、, assembly drawings, catalog cuts, and material data and shop drawings showing arrangement, construction details and ratings for factory built machinery; test rig details; proposed and final shop test procedures and data sheets; and proposed and final field cable tensioning and operating test proced
13、ures and data sheets shall be submitted to the Contracting Officer for approval. All details of fabrication and assembly shall be provided. Shop drawings lacking this SECTION 35 01 42.00 10 Page 6Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-inform
14、ation will be rejected. Approval of the material submitted shall in no way relieve the Contractor from the responsibility of complying with the requirements of the specifications as to the suitability and quality of materials and workmanship and the adequacy of capacity, operating speed and other es
15、sential characteristics of the gate hoist drives. Drawings, catalogs, and design data necessary to clearly show the details of any changes proposed by the Contractor shall be submitted for approval in conformity with the requirements of this specification. Equipment, materials, and articles of const
16、ruction installed or used without such approval shall be at the risk of subsequent rejection. Furnish to the Contracting Officer for approval the names of the manufacturers of all machinery and other equipment which it contemplates incorporating into the work, together with performance capacities an
17、d other pertinent information pertaining to the equipment. Include in the submittals the following information:1) BRAKESa. Manufacturers Nameb. Typec. Model Numberd. Continuous Duty Torque Ratinge. Torque Adjustment Rangef. Supply Voltageg. Type of Conduit Box - Standard Watertighth. Type of Liningi
18、. Type of Bearingsj. Type of External Brake Release Mechanismk. Brake Wheel Sizel. Type of Bore - Straight Taperedm. Bore Sizen. Brake Wheel Materialo. Brake Wheel Model Numberp. Space Heater Manufacturer/Type/Size (KW)q. Space Heater Supply - Volts, Phase, Cycler. Type of Enclosures. Enclosure Mode
19、l Numbert. Torque Gauge Included Yes Nou. Torque Scale Included Yes Nov. Weight of Brakew. Weight of Enclosurex. Outline Dimensional Print of Brakey. Outline Dimensional Print of Enclosurez. Quantity Being Furnished2) SPEED REDUCERSa. Manufacturers Nameb. Typec. Model Numberd. Exact Ratioe. Efficien
20、cyf. Mechanical Rating - Durability - HP, Specify SACg. Mechanical Rating - Strength - HP, Specify SATh. Rating Calculationsi. Life Factors CL, KLj. Reliability Factors CF, KRSECTION 35 01 42.00 10 Page 7Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-
21、,-k. Type of Gearing and Heat-Treatmentl. Type of Bearingsm. Minimum L-10 Bearing Lifen. Method of Lubricationo. Size and Number of Mounting Boltsp. Weight and Air Volume of Unit without Oilq. Weight and Air Volume of Unit with Oilr. Outline Dimensional Prints. Type of Breathert. Quantity Being Furn
22、ished3) OPEN GEARINGa. Manufacturers Nameb. Pinion P.D.c. Pinion D.P.d. Number of Teeth Pinione. Face Width of Pinionf. Pinion Materialg. Heat Treatmenth. BHN of Pinioni. Gear P.D.j. Gear D.P.k. Number of Teeth (Index)Gearl. Face Width of Gearm. Gear Materialn. Outline Dimension Printo. Weights of G
23、ear and Pinionp. Quantity Being Furnished4) ELECTRIC MOTORSa. Manufacturers Nameb. Typec. Frame Numberd. Unique Serial Numbere. Certified Factory Motor Test Data, High Speed AGMA Quality 11 _ in accordance with AGMA 2015/915-1, minimum. The helical pinions shall be integrally cut on the pinion shaft
24、. Spiral bevel gears shall be made from high strength alloy steel with case hardened teeth, crown lapped for quality and smooth operation.2.2.4 Reducer ShaftsShafts shall be made from high-strength alloy steel and shall be of sufficient size and as indicated to insure rigid alignment. All keyways sh
25、all have fillet radii. Keys shall be provided for all shafts. All shafts shall have standard keyways and keys in accordance with ASME B17.1, Class II. All fabricated dimensions of the keyways and keys shall be submitted for review.2.2.5 Reducer Shaft BearingsThe shaft bearings shall be high capacity
26、 antifriction roller bearings suitable for both radial and thrust loads. All bearings shall have a minimum L-10 bearing life of 75,000 _ hours based on the largest full load motor horsepower provided by the specified motor.2.2.6 Gearbox Lubrication System*NOTE: A splash type system is generally spec
27、ified for the gearbox. Pressure systems are specified when there are gears that do not get splash lubrication. If a splash type system is used, delete the requirement for the pump.*The lubrication system shall be a splash pressure combination pressure/splash type system using a synthetic petroleum b
28、ased hydro-carbon lubricant. The pressure lubricating system shall consist of an electric motor driven lubricating gear pump and piping assembly which shall lubricate the upper bearings and gear meshes not submerged in oil. The new pump shall be a positive displacement internal gear type, cast iron
29、construction. The pump shall be equipped with an overpressure relief valve. The pump shall be externally mounted on the gearbox and shall be provided with the proper seals to operate under the stated conditions. Design the lubrication system as necessary to install the pump system. SECTION 35 01 42.
30、00 10 Page 12Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-Install external and internal piping as required to provide adequate lubrication to the gear meshes and bearings. The pressure losses, total flow rate, and expected flow rate to each compon
31、ent and/or gear mesh shall be defined, documented, and submitted. A pressure switch and pressure gauge shall be mounted on the pump outlet. The lubrication system shall be designed to function properly at both nameplate speed ratings using the specified lubricating oil. All gears and bearings shall
32、be oil or grease lubricated. All required oil slingers, dams, and passages shall be provided. Grease lines and lubrication fittings shall be provided for all grease lubricated bearings and mounted on the reducer housing such that the bearings can be easily identified and lubricated from the side of
33、the reducer housing. The reducer shall be equipped with a sight gauge and dipstick in order to observe and measure the oil level. The speed reducer shall also be fitted with an oil sample valve arrangement. The valve shall be a 6 mm 1/4-inch stainless steel ball valve with a pressure-temperature rat
34、ing of 13.8 MPa 2000 psig at 38 degrees C 100 degrees F and be fitted with a plug on the open end. The oil sample port on the reducer housing shall be located such that an oil sample can be drawn (through the sample valve) from a point that is approximate 1/2 of the operating oil level in the reduce
35、r.2.2.7 SealsSpring loaded grease-purged dual lip seals shall be provided for all shaft extensions. All seals shall be sized and designed to withstand the pressure head developed when the speed reducer is completely filled with oil (storage condition) without leaking.2.2.8 Breather*NOTE: Standard br
36、eather may be provided. However, to help prevent water contamination, a hygroscopic breather is recommended.*All reducers shall be provided with a hygroscopic breather with threaded fittings for installation to prevent problems caused by moisture and particulate matter contamination in the reducer w
37、hen it breathes in and out due to temperature fluctuations. The breather shall filter particles down to 3 microns in size. The hygroscopic agent shall change color signifying when the unit requires replacement, i.e., when the desiccant is saturated with moisture. There shall be no air flow stoppage
38、through the breather under freezing conditions.2.3 PILLOWBLOCK BEARINGS2.3.1 General RequirementsExcept as otherwise specified, bearings may be of the roller self-aligning spherical roller ball _ type as indicated and shall be oil lubricated or provided with pressure lubrication fittings. The manufa
39、cturers ratings for loads and speeds shall be used in determining the bearing capacity. The minimum L-10 bearing life shall be 75,000 _ hours based on the largest full load motor horsepower provided by the specified motor. Service and installation factors shall be in accordance with the bearing manu
40、facturers recommendations. All bearings shall be equipped with labyrinth seals to exclude foreign matter and retain lubrication without leakage under both static and dynamic operating SECTION 35 01 42.00 10 Page 13Provided by IHSNot for ResaleNo reproduction or networking permitted without license f
41、rom IHS-,-,-conditions. Ball bearing pillow blocks and flange blocks shall have solid cast iron housings with two bolt base. Roller bearing pillow blocks shall be of the split cast iron construction with four bolt bases. Spherical roller bearings shall be either of the fixed or expansion type as ind
42、icated. End caps shall be provided as indicated on open ended shafts. Roller bearing housing caps shall be recessed into or dowelled to the bases and secured with not less than 4 bolts, SAE Grade 8.2.3.2 Slow Speed Shaft Bearings*NOTE: Hoist end shaft bearings are typically very slow speed and can b
43、e bronze pillow block type. Spherical roller bearings may also be used.*Pinion shaft bearings shall be plain bronze type and shall be provided with pressure lubrication fittings for shaft as indicated. Bearing housings shall be of split cast steel construction with 4 bolt base. The bearings shall wi
44、thstand a total resultant normal load of _ kg pounds applied downward at 70 _ degrees from vertical at _ RPM. Bronze alloy shall conform to ASTM B 584 (C93200) with grease grooves. Bearing caps shall be secured with not less than 4 bolts, SAE Grade 8 and lockwashers.2.4 SHAFT COUPLINGS2.4.1 GeneralS
45、haft couplings shall be of the flanged exposed bolt, double engagement, gear type made of forged steel. Couplings shall be of the vertical or horizontal design depending on the shaft on which they are mounted. Couplings shall transmit torque by means of external gears on hubs engaging in internal ge
46、ars on the coupling sleeves. Gears shall be machined in accordance with applicable AGMA standards. Couplings shall be of sufficient capacity to develop the full strength of the shafting which they connect and shall be pressed and keyed thereon. The key fit shall be in accordance with ASME B17.1, Class II. The fabricated dimensions of the key fit shall be submitted for review. Couplings shall be equipped with lube plugs and enclosed and sealed with an elastomeric O-ring to retain the
