1、m 3535789 0035280 38T P- 2.5 - 2 2 000 4270.21 - SPEC DEPARTMENT OF DEFENSE GUIDE SPECIFICATIONS FOR MILITARY FAMILY HOUSING SEWAGE TREATMENT PLANT Department of the Army Guide Specification OCE GSH 15.14 Department of the Navy Guide Specification FAC GSH 15.M Department of the Air Force Manual AFM
2、85-25, Sec. 15.14 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-3535789 OOL528L O16 4270.21 - SPEC 15.14 N42 December 1980 GUIDE SPECIFICATION FOR MILITARY FAMILY HOUSING SEWAGE TREATMENT PLANT GENERAL NOTES The Departments of the Army, Navy and Ai
3、r Force have collaborated in the preparation of this Guide Specification. Its contents and arrangements conform generally to the “CSI Masterformat - Master List of Section Titles and Numbers (MP-2-1),“ 5 Feb 1979 of the Construction Speci- fications Institute. In accordance with the CSI Masterformat
4、, identify each Section by a number and a letter (see Index of Divisions and Sections). The number will be that of the Division under which the Section is located. The letters following the number will begin with “A“ and continue alphabetically, as necessary. USE AND INSTRUCTION: preparation of proj
5、ect specifications for Military Family Housings in ac- cordance with current directives and instructions. It shall not be made a part of another specification by reference. Engineer shall assure that complete coverage of the work is involved is specified, and shall further assure that Co-ordination
6、with the drawings is accomplished. This Guide Specification shall be used in the Each project Architect- SELECTION OF MATERIALS: It is intended that architects and engineers for military family housing projects be permitted to select from this Guide Specification the materials and equipment which, i
7、n their professional judg- ment, are suitable for specific projects. this Guide Specification shall not be deleted unless economic and engineering evaluations indicate that the options are not justified for a specific project. Contractor opinions included in Newly developed materials and methods not
8、 included in this Guide Specifica- tion may be used in limited application with prior clearance of the Military Departments involved. ited materials are not included in project specifications.) or methods may not be used extensively until the quality and durability have been proven and appropriate s
9、pecifications have been included in this Guide Specification. (Each Military Department shall ensure that prohib- Such new materials In selecting the quality standards for materials and equipment, consideration should be given to the impact that certain materials may have on the construc- tion and m
10、aintenance cost of the over-all project. Section 15 , Notes, Page i - “REMOVE - DO NOT INCLUDE NOTE SHEETS IN THE PROJECT SPECIFICATIONS“ Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-3535789 0035282 T52 4270.2 1 -SPEC Jt.1 1, 66 GUIDE SPECIFICATIO
11、NS FOR MILITARY FALY HOUSING SEWAGE TREATMENT PLANT Sewage Treatment Plant will be located in the project specifi- cation as one of the Sections under Division 15 - “Mechanical1, and be numbered accordingly. NOTES ON THE USE OF THIS SPECIFICATION SUGGESTIONS AND RECOMMEN- DATIONS: Detail drawings to
12、 show site plans, tank structures, control building if required, complete piping and elec- trical work. Refer to Division 15, section for SEWAGE LIFT STATION if pumping is required. This section is intended to furnish a factory- built contact aeration type plant, commonly called a “package“ plant. G
13、enerally this type of plant is most applicable for populations of over 300. For smaller installa- tions consider other methods of treatment such as lagoons, septic tanks, or extended aeration plants. Check requirements of Regional Office of the Federal Water Pollu- tion Control Administra tion for d
14、e - sign criteria to be used. degree of treatment than 90 percent B. O. D. removal is required add some type of tertiary treatment such as chlorination or lagooning. The desirability of flow metering should also be considered. If a greater Referenced Spec-ifications: In the project specifica- tion,
15、list the specifications and - standards by their current titles, numbers and lette r s. General and Tanks and E Fabricated Steelwork: Provision is made for either steel or concrete to be used for the outside tank. Steel will generally be more economical but each project should be evaluated in respec
16、t to capital investment and maintenance cost. Air Diffusion Equipment: NOTE 3 ments are generally computed on the basis of 1,000 cubic feet of air per pound of B. O. D. applied at the average design load. The digestion zone air requirement is generally computed on the basis of 30 cubic feet per minu
17、te per 1,000 cubic feet of zone volume for plants up to 500 population equivalent, and 25 cubic feet per minute per 1, O00 cubic feet of zone volume for larger plants. 0 Aeration zones air require- Blowers: Use two blow- INOTE4 ers for plants up to 2, 500 population equivalent and three blow- ers fo
18、r larger plants. With two blowers each must be capable of supplying the full required capacity. With three blowers each must be capable of supplying dbe - half the total required capacity. Drive Assembly: Two 1-51 alternate types of drive Section 15 , Notes, Page ii - “BEMOVE -98 NOT INCLUDE NOTE SH
19、EETS IN THE PROJECT SPECIFIATIWNS“ _ - - - 7 :. _- Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-3535789 0015283 999 W 4Li. Z 1 -SPEC Jul 1, 66 SEWAGE TREATMENT PLANT NOTES ON THE USE OF THIS SPECIFICATION: (Continued) mechanism are shown. The firs
20、t generally is applicable for plants up to a population loading of 500. The second is applicable to larger plants. A 1/4 HP drive motor is used with the first and 1/2 HP with the second. Froth Control: Alternate 1.1 methods of froth control are shown. The use of chemicals is generally more economica
21、l but both may be left in as a Contrac- tor I s option. Sizes and Capacitie s : Aeration contact and re- aeration zones are generally de- signed on the basis of 30 cubic feet per pound B. O. D. applied at the average design flow. Digester ca- pacity is generally designed on the basis of not less tha
22、n 2. 5 cubic feet per capita population equivalent. Settling zone surface rates are gen- erally computed on the basis of 500 gallons per square foot per day for plants up to 1,000 population and 650 gallons per square foot per day for larger plants. Timers: Timers may be deleted where scum Cathodic
23、Protection: if steel tanks are to be in- and waste sludge is transferred by gravity. stalled below grade a survey should be made to determine whether or not soil conditions justify the use of cathodic protection. i Section 1 5 , Notes, Page iii - - -3 L*- - 4- - Provided by IHSNot for ResaleNo repro
24、duction or networking permitted without license from IHS-,-,-3535789 0035284 825 4270.21 - SPEC 15.14 N51 March 1985 GUIDE SPECIFICATION FOR MILITARY FAMILY HOUSING - SECTION 15 SEWAGE TREATMENT PLANT 1. SCOPE OF WORK: - (A) WORK INCLUDED: This section includes providing an aerobic eta- bilization a
25、nd aerobic digestion type sewage treatment plant complete. (BI RELATED WORK NOT INCLUDED IN THIS SECTION: The following items of related work are not included in this section: (1) Excavation, filling and backfilling. (2) Sanitary sewerage system. (3) Sewage lift station. (4) Heating, plumbing, elect
26、rical interior. (5) Masonry and carpentry. 2. REFERENCED SPECIFICATIONS - AND STANDARDS: (37) (A) APPLICABLE PUBLICATIONS: The publications listed below form a part of (37) this specification to the extent referenced. (37) in the text by the basic designation only. The publications are referred to (
27、1) Federal Specifications: CC-M-1807A Motor, Alternating-Current, Fractional and Integral Horsepower (500 HP and Smaller) Calking: Lead Wool and Lead Pig Section 15 , Page 1 - . ,.h Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-3515789 0015285 761
28、4270.21 - SPEC 15.14 i55 1 March 1985 SEWAGE TREATMENT PLANT 2. REFERENCED SPECIFICATIONS AND STANDARDS: (Continued) - (45) TT-E-4 8% (45) Enamel, Alkyd, Gloss (for Exterior and Interior Surfaces) TT-P-86G Paint, Red-Lead-Base, Ready-Mixed (24) (35) TT-P-64 1G (35) Zinc Dust-Zinc Oxide (for Galvaniz
29、ed Surfaces) Pipe Fittings, Flange Fittings, and Flanges: Steel and Malleable Iron (Threaded And Butt-welding) Class 150 Unions, Pipe, Steel or Malleable Iron: Threaded Connection, 150 Lb, 250 Lb and 300 Lb WSP Valves, Plug: Cast-Iron or Steel, Manua 1 ly Oper at ed (45) (45) (45) (11) (3) American
30、National Standards Institute, hc. (ANSI): !EI 2 I. 5 1-1 981 -I Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-3535789 0035295 bOO = 4270.2 1 -SPEC Jul 1, 66 SEWAGE TREATMENT PLANT 6. TANKS AND FABRICATED STEELWORK: (Continuedj stiffeners and trim a
31、ngles at top and bottom. Bottom anchorage shall be cast in place in the concrete base slab so as to form a water stop. zones of the plant shall be separated by 1/4-inch thick steel diaphragm plates, complete with necessary stiffeners, trim angles and anchorage parts. The various (C) ACCESS: An acces
32、s and support bridge constructed of wide flange beams or channels and including necessary stiffeners and braces shall be included. rail along two sides and the end shall be 1- 1/2-inch welded pise railing. fabricated steel companion stairway at a 60-degree slope shall also be fur- nished complete wi
33、th handrail. ) The walkway shall be 3/16-inch steel checkered plate and the hand- (A -inch - (Dl WEIRS AND BAFFLES: Settling zones shall have a by_- -inch effluent weir trough with adjustable V-notch weir plates, all fabricated from 1/4-inch steel plate. A scum baffle, fabricated of 1/4-inch steel p
34、late, shall be supported from the weir trough. 7. PAINTING AND TANK PROTECTION: (A) PAINTING: (1) Surface Preparation: Steel surfaces to be painted shall be cleaned of rust, mill scale, oil, grease, dirt, dust, slag, flux, weld spatter, or other foreign substances by shot or sand blasting. (2) Appli
35、cation: Painting shall be done in such a manner as to pro- duce an even film of uniform thickness with particular care being given to edges, corners, crevices, welds, and joints. Paint shall be applied under dry and dustless conditions and shall not be applied when the temperature is below 45 degree
36、s F. facturers instructions. not be re-finished in the field unless the paint has been damaged. The Con- tractor shall clean and re-prime in the field all welded areas or other areas where the prime coat has been damaged. Paint shall be applied in accordance with the paint manu- Equipment which is p
37、re-finished in the factory shall (BI CATHODlC PROTECTION: Cathodic protection shall consist of 17- pound magnesium anode packs furnished and buried as indicated. Each anode shall be connected to the steel tank with not less than No. 12 AWG copper conductor. Anodes shall be spaced on 30-degree radial
38、s around the tank. 8. TESTS: (A) LEAKAGE: After installation the tanks shall be tested for leaks by filling with water to operating capacity; leaks shall be repaired and the test Section 15 , Page 11 I il - .I .- Provided by IHSNot for ResaleNo reproduction or networking permitted without license fr
39、om IHS-,-,-3535789 0035296 547 = 4270.2 1 -SPEC 3ul 1, 66 SEWAGE TREATMENT PLANT 8. TESTS: (Continued) repeated until the tanks are tight. placement of defective welds. Repairs shall include the removal and re- The use of calking compound will not be permitted. (B) OPERATING: After installation is completed an operating test of. the complete plant shall be made for overall efficiency using raw sewage tiiat would normally be flowing to the plant. Section 15 , Page 12 - Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
