corrigendum - supply of pump spares , supply of items as per following specifications , casing for cooling water p 926 a / b / c / 928a / b pump of map / mae . casing includes:- 1 . top half casing , 2 . bottom half , 3 . casing gasket & 4 . casing bolts , model no: 6 / 8 - ble , sr no 89 / 1036 / b-1 of make mather & platt wilo group , casing for cooling water p 7521 a / b / c / d pump of co plant casing includes:- 1 . top half casing , 2 . bottom half , 3 . casing gasket & 4 . casing bolts , model no:300 / 250 cst sr no 961040 / b1-4 of make mather & platt wilo group , impeller for c . t . pump , p-7521 in co / fap , part no . - 31 pump model no . - 300 / 250 cst , sr . no . - 961040 / b1 - 4 vendor - matther and platt , impeller for cooling water pump , part no:31 , pump model no . :6 / 8 ble , sr . no . :891036 / b / 1-2-3 , mfg . & vendor . :m / s mather & platt ltd . , , bearing housing free end for cooling water pump , model no . 6 / 8 bl e , serial no . 891036 / b / 1-2-3 mfg . & vendor . : m / s . mather & p latt ltd . , neck ring for cooling water pump , part no . 32 , pump model no . : 6 / 8 ble , serial no . 891036 / b / 1-2-3 , mfg . & vendor . m / s mather & pl att ltd . , , bearing housing driving end for cooling water pump , model no . 6 / 8 bl e , serial no . 891036 / b / 1-2-3 , mfg . & vendor . : m / s . mather & p latt ltd . , bearing housing end cover free end for cooling water pump , part no . 363 , pump model no . :6 / 8 ble , sr . no . 891036 / b / 1-2-3 , mfg . & vendor . m / s mather & platt ltd . , bearing housing eng . cover driving end for cooling waterpump , part no . 3 63a . pump model:6 / 8 ble , sr . no . :891036 / b / 12-3 , mfg . & vend . m / s mather & platt ltd .