SPX Marley Sigma Steel - Manuals

Marley / Sigma Steel Cooling Tower / Engineering Data : Concrete Basin 8 Plan 6" MIN. 5" 6" MIN. 5" ANCHOR BOLTS (SEE NOTE 5) 6" MIN. 6" MIN. A SP ACES A T 4'-0" = L PER CELL CASED ENDWALL FACE CASED ENDWALL FACE AIR INLET F ACE AIR INLET F ACE SUMP W IN TO IN OF BASIN NO...

Marley / Sigma Steel Cooling Tower / Engineering Data : Inlet Piping 9 C C COLUMN AND ANCHOR BOLT TYP. SINGLE CELL D TYP. MULTICELL CL COLUMN AND ANCHOR BOLT CL FAN CL INLET CL INLET CL FAN CL F MIN REQUIRED CLEARANCE C L E G C OF FLANGE TO BASE OF TOWER COLUMNS (USE FOR STATIC LIFT) FAN FACE OF A D...

Marley / Sigma Steel Cooling Tower / Engineering Data: Environmental 10 Sound Control Sound produced by a Sigma Steel tower operating in an un- obstructed environment will meet all but the most restrictive noise limitations—and will react favorably to natural attenu- ation. Where the tower has been ...

Marley / Sigma Steel Cooling Tower / Engineering Data: Energy Management 11 Cooling towers are usually selected to produce a specific cold water temperature at the higher summertime wet-bulb temperatures. During the remainder of the year, the cooling tower is capable of producing much colder water. ...

Specifications Specification Value Marley / Sigma Steel Cooling Tower / Specifications: Base 12 1.0 Base: 1.1 Furnish and install an induced-draft, crossflow-type, field-erected, steel- framed, PVC-fill, industrial-duty cooling tower of _____ cell(s), as shown on Plans. The limiting overall dimensio...

Specifications Specification Value Marley / Sigma Steel Cooling Tower / Specifications: Base 13 2.0 Thermal Performance: 2.1 The tower shall be capable of cooling _____ GPM of water from ____ °F to _____ °F at a design entering air wet- bulb temperature of _____ °F. The cool - ing tower manufacturer...

Specifications Specification Value Marley / Sigma Steel Cooling Tower / Specifications: Base 14 3.0 Construction: 3.1 The tower shall be capable of with- standing water having a pH of 6.5 to 8.0; a chloride content (NaCl) up to 300 ppm; a sulfate content (SO4 ) up to 250 ppm; a calcium content (CaCO...

Specifications Specification Value Marley / Sigma Steel Cooling Tower / Specifications: Base 15 4.0 Fan Deck and Fan Cylinder: 4.1 The fan deck shall act as a working platform for maintenance personnel. It shall be fabricated of no less than 12 gauge steel, and shall be designed for a uniform live l...

Specifications Specification Value Marley / Sigma Steel Cooling Tower / Specifications: Base 16 5.3 Motor shall be located outside the fan cylinder at the fan deck, and shall be connected to the speed reducer by a tubular stainless steel, dynamically balanced driveshaft equipped with neo- prene flex...

Specifications Specification Value Marley / Sigma Steel Cooling Tower / Specifications: Base 17 6.0 Fill, Louvers and Drift Eliminators: 6.1 Fill shall be film-type, 15 mil thick, thermoformed PVC, with louvers formed as part of each fill sheet. Fill shall be suspended from stainless steel structura...

Specifications Specification Value Marley / Sigma Steel Cooling Tower / Specifications: Base 18 7.0 Hot Water Distribution System: 7.1 The mechanical equipment support/ crossover pipe shall deliver water to two open hot water basins per cell at the fan deck elevation. Water shall exit these basins t...

Specifications Specification Value Marley / Sigma Steel Cooling Tower / Specifications: Base 19 9.2 The top of the tower shall be equipped with a sturdy 42" high guardrail sys- tem, complete with top rails, interme- diate rails and toeboards, conforming to OSHA standards. Guardrails and posts sh...

Specifications Specification Value Marley / Sigma Steel Cooling Tower / Specifications: Options 20 Control Options Control System: 5.7: Add the following paragraph in the Mechanical Equipment section: Each cell of the cooling tower shall be equipped with a UL listed control system in a NEMA 3R or 4X...

Specifications Specification Value Marley / Sigma Steel Cooling Tower / Specifications: Options 21 Basin Heaters: 10.2 Add the following paragraph in the Cold Water Basin section: Provide a system of electric immersion heaters and controls for each cell of the tower to prevent freezing of water in t...

Specifications Specification Value Marley / Sigma Steel Cooling Tower / Specifications: Options 22 temperature and cold-fluid temperature on two separate lines. The bypass shall include a complete magnetic bypass circuit and with capability to isolate the VFD when in the bypass mode. Transfer to the...

Specifications Specification Value Marley / Sigma Steel Cooling Tower / Specifications: Options 23 circuit with capability to isolate the VFD when in the bypass mode. Transfer to the bypass mode shall be automatic in the event of VFD failure or for specific trip conditions allowing safe transfer of ...

Specifications Specification Value Marley / Sigma Steel Cooling Tower / Specifications: Options 24 Convenience and Safety Options Stairway: 9.3 Replace paragraph 9.3 with the fol- lowing: A 30" wide, 45° steel stairway with 8" rise and run, shall be provided at the tower endwall rising from ...

Specifications Specification Value Marley / Sigma Steel Cooling Tower / Specifications: Options 25 Oil Level Sight Glass: 5.4 Replace paragraph 5.4 with the fol- lowing: A galvanized oil gauge and drain line shall extend from the gear reducer to the vicinity of the motor, and shall be equipped with ...

Specifications Specification Value Marley / Sigma Steel Cooling Tower / Specifications: Options 26 Low Noise Tower: 1.1 Add the following at the end of this paragraph: The cooling tower shall be quiet operating, and shall produce an overall level of sound no higher than ____ dBA at the critical loca...

Specifications Specification Value Marley / Sigma Steel Cooling Tower / Specifications: Options 27 Service Life-Related Customization: ■ Some adverse water conditions, unsatisfactory air quality, and/or pro- cesses that produce corrosive contaminants, may dictate the use of stainless steel for mater...