The work shall consist of mechanical and electrical work and equipment, all associated structural civil and architectural works, Control and Instrumentation equipment, mechanical services and pipe work and electrical services associated with this ash handling plant, the principal features of this plant being:
(a) a wet ash extraction and conveying system for ash collected in the boiler furnaces, economiser and air preheater ash hoppers including treatment system of Bottom ash hopper overflow water.
(b) a dry extraction and conveyance system for the ash collected in electrostatic precipitators collection hoppers and duct hoppers.
(c) a dry fly transportation and storage system which includes dry ash storage silos.
(d) combined fly ash and bottom ash slurry disposal system.
(e) ash water supply system.
Notwithstanding the scope mentioned for various sub-systems in the following paragraphs, it is the responsibility of the contractor to carry out complete job on turnkey basis and integrate the sub systems with each other.
1.0 Scheme of Ash Handling System:
2.2.1 AHP -Mechanical Equipment
2.2.2 AHP – Electrical Works
2.2.3 AHP :Control and Instrumentation
2.3.0 System Capacity & AHP DESIGN DATA
2.4.0 Site Tests
2.5.Performance and Guarantee Tests (AHP)
2.6.0 Spares(AHP)
2.8.0 Equipment Specification
2.8.6 Expansion Joints for Economiser Hoppers
2.8.7 Expansion Joints for Fly Ash Handling System
shivajichoudhury
