Rehabilitation and Expansion of the Existing Wastewater ... - UNDP
Rehabilitation and Expansion of the Existing Wastewater ... - UNDP
Rehabilitation and Expansion of the Existing Wastewater ... - UNDP
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<strong>Rehabilitation</strong> <strong>and</strong> <strong>Expansion</strong> <strong>of</strong> <strong>the</strong> <strong>Existing</strong> WWTP in Jenin City<br />
Technical Specifications<br />
2.7 SHOP PAINTING<br />
e. A general FAIL alarm shall be delivered to alarm panel in service building<br />
electrical room when <strong>the</strong>re is a PANEL POWER FAILURE, EMERGENCY<br />
STOP, TORQUE OVERLOAD, MOTOR FAILURE.<br />
f. Press RESET button to reset <strong>the</strong> alarms<br />
5. Provide <strong>and</strong> coordinate interlocks <strong>and</strong> controls for a complete operating system with<br />
grit bucket elevator operation.<br />
6. Special Requirements:<br />
a. Raceways <strong>and</strong> wiring installed on unit at factory shall be suitable for corrosive<br />
<strong>and</strong> hazardous areas as applicable.<br />
A. All metal surfaces except chains, sprockets, shafts, RFP or stainless steel parts shall be<br />
s<strong>and</strong>blasted <strong>and</strong> primed <strong>and</strong> finished coats in accordance with <strong>the</strong> manufacturer’s printed<br />
recommendations for <strong>the</strong> best possible coating.<br />
B. Shafts, chains, sprockets <strong>and</strong> o<strong>the</strong>r life surfaces shall be heavily coated with a petroleum base<br />
compound.<br />
2.8 FACTORY ASSEMBLY:<br />
A. The grit bucket elevator <strong>and</strong> housing shall be factory assembled <strong>and</strong> <strong>the</strong> grit classifier shall<br />
also be shop assembled. Units shall be shipped assembled unless shipping limitations or<br />
special installation requirements dictate o<strong>the</strong>rwise.<br />
B. All factory assembled electrical equipment (eg. motors, safety devices, torque devices, etc.)<br />
shall be wired to a factory assembled junction box with all wiring <strong>and</strong> terminals identified <strong>and</strong><br />
coordinated with <strong>the</strong> local control panels.<br />
2.9 MOTORS<br />
A. Motors to be 3 phase, 400 V, 50 Hz for motor 1 kW <strong>and</strong> above, smaller motors can be single<br />
phase, 230 Volts, 50 Hz. Motors to be <strong>of</strong> cast iron construction <strong>and</strong> premium efficiency.<br />
2.10 ACCESSORIES<br />
A. Anchor Bolts: ASTM A193, Type 316 stainless steel, sized by equipment manufacturer.<br />
B. Lifting Lugs: Provide suitably attached for equipment assemblies <strong>and</strong> components weighing<br />
over 45 kg.<br />
C. Equipment Identification Plates: Provide 16-gauge Type 304 stainless steel identification plate<br />
securely mounted on each separate equipment component <strong>and</strong> control panel in a readily visible<br />
location. Plate shall bear 9 mm high engraved block type black enamel filled equipment<br />
identification number <strong>and</strong> letters indicated in this Specification.<br />
2.11 EQUIPMENT ENCLOSURE<br />
A. Provide an enclosure for each bucket elevator mechanism for odor control purpose. Provide<br />
enclosure with flanged connection for odor cast pipe <strong>of</strong> 150 mm in diameter. Location <strong>and</strong><br />
exact size <strong>of</strong> pipe connection will be provided to manufacturer at <strong>the</strong> time that Engineer<br />
returns manufacturer’s shop drawings.<br />
Arabtech Jardaneh/Palestine 107 Mechanical Works
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