MTPS TM Unit I Removal of insulation and providing re insulation to pipe lines and valves Deaerator main flange gland steam cooler low pressure heater and its accessories and disposal of waste insulation materials in Unit I

Amount

Charges for removal of insulation and providing re-insulation to Gland Steam Cooler-II. This work involves removing insulation around the water box side, inlet and Outlet flanges and providing reinsulation to the removed portion and fitting Aluminum sheet over it. (Tag No. Gland Cooler –II- 1 No)

Charges for removal of insulation and providing reinsulation to Low Pressure Heaters. This work involves removing the insulation on the flange side, inlet and outlet of the LPH and side and finally providing re-insulation to the removed portion. (Tag No. LP Heaters 2– Total – 1 No)

Charges for removal of insulation and providing re-insulation to Deaerator Main Flange. This work involves removing insulation around the water box side, inlet and outlet flanges and providing re-insulation to the removed portion and fitting Aluminum sheet over it. (Tag. No: Deaerator Main Flange)

Removal and Re insulation of ES/FW/BFP NRV Charges for fabrication and fixing of new insulation boxes for valve Size 300 / 250 mm including charges for cutting the Aluminium sheet, Bending to required shape & all consumables, T&P etc. (Tag. No. ES-14, FW-18,19-2 Nos - Total-3 Nos

Removal and Re insulation of HD/MSSV ISO/Regulation/DW Valves. Charges for fabrication and fixing of new insulation boxes for valve size 65, 100, 150, 200, 250 mm etc including charges for cutting the Aluminium sheet, bending to required shape & all consumables, T&P etc., (Tag No. HD-24 – 1 No.)

Removal and Re insulation of FW/MC /AS/ES Valves. Charges for removal and renewal of insulation and repairing the insulation boxes to 300, 400, 500 mm valves. (Tag No. AS-58, VDAS-55, MC-33,34,36,37, 39, 40,57,58 -10Nos, ES-13,15,16 -3Nos, Total-13 Nos).

Removal and Re insulation of BFP/MC /HD/ES Valves. Charges for removal and renewal of insulation and repairing the insulation boxes to 200, 250 mm valves (Tag No. ES –1, 2, 11, 18, 19 -5 Nos , MC-35, 38 & 41 – 3 Nos ,Total – 8 Nos

Removal and Re insulation of HD/AS/DW/CA/ MSSV ISO/Regulation Valves. Charges for removal and renewal of insulation and repairing the insulation boxes to 65, 100, 150 mm valves. (Tag.No:HD-4,5,8,22,23,24,25,26,27,28,29, 30, 31,32,33,34,36,37,38,39,40,41,42,43,44, 54,55, 56,57,58 & 60-31 Nos. AS- 7, 8, 30, 33,34,39,40,57,59 –9 Nos . VHCS –120,121, 123,52,53,54,57,58–8 Nos. Total–48 Nos.)

Removal and Re Insulation in damaged portion of Pipe Lines a) Charges for removal of insulation and Aluminium sheet and providing Scaffolding arrangement wherever necessary for pipe lines. This work involve removing exiting damaged 150 M2 insulation in HD Drip Lines, DW, ES, MC, AS Lines.

b) Charges for providing re-insulation with Ceramic blankets /wool mattress and Aluminium sheet wherever necessary for pipe lines. This work involve removing exiting damaged 150M2 insulation in HD Drip Lines , ES,MC,AS Lines and Deaerator damaged pipe lines, cutting of mattress for required size and putting back after removing the existing wool blankets.

Replacement of damaged Aluminium sheet over pipe line insulation. Charges for cutting new Aluminium sheet at 150M2 required size, bending the sheet at required shape, providing locking grooves fitting Aluminium sheet on the insulation and positioning The sheets intact with suitable fasteners. (Where the Aluminum is not available location for HD/AS/ES Lines)

Providing CAT 9 Cement plastering for damaged pipe line insulation. 150kg Transporting the cement from pocket store to work spot, Mixing the cement with water, Plastering the cement on the insulation and finishing the cement and cleaning the waste Cement on the floor. Providing suitable thermal safety appliances for handling hot spots.

Disposal of waste insulation materials. Charges for transportation of waste insulation material from work spot to ear marked area to dump

K.DHANASEKARAN ENGG. CONTRACTOR