REPAIR/MAINT OF WATER SUPPLY INSTALLATION AND PUMP SETS AND STARTERS AND PANEL BOARDS AND IRON REMOVAL PLANTS ETC AT ARC AND GTC AND 11 WEU AND SE FALLS UPPER AND LOWER DAMS AND FILLTRATION PLANT AT LONG RANGE UNDER GE SHILLONG

M&L for dewatering the complete water from surface mounted sedimentation tank of filtration plant No-I of size: 11 meters long, 8.5 meters width and 3.5 meter deep with the help of electric driven pumping set after that remove all silt, sediments and other foreign material from the tank and remove all material from the site exceeding 50 meters depositing where directed at a level n exc. 1.5 m above from the starting point & than clean complete inside wall with the help of wire brush and bleaching powder and finally washing with clean water complete all as specified and directed. Location: MES Pump House Happy valley. Note : 1. The pump set along with fuel (diesel / petrol) required for dewatering shall be arranged by the contractor without any extra cost to the department. The rate quoted shall be deemed to be included for the same complete all as specified and directed.

All as per item No. 01 hear in before but of size 19 mtrs long, 6.5mtrs width and 4.5 Mtrs deep, Filtration plant No:II complete all as specified and directed.

All as per item No. 01 hear in before but of size 15 mtrs long, 9 mtrs width and 4 Mtrs deep Filtration plant No:III complete all as specified and directed.

M&L for dewatering the complete water from surface mounted Raw water sedimentation tank of size: 16 meters long, 12.60 meters width and 3.50 meter deep with the help of electric driven pumping set after that remove all silt, sediments and other foreign material from the tank and remove all material from the site exceeding 50 meters depositing where directed at a level n exc. 1.5 m above from the starting point & than clean complete inside wall with the help of wire brush and bleaching powder and finally washing with clean water complete all as specified and directed. Location: MES Pump House Happy valley. Note : 1. The pump set along with fuel ( diesel / petrol) required for dewatering shall be arranged by the contractor without any extra cost to the department. The rate quoted shall be deemed to be included for the same complete all as specified and directed.

M&L for dewatering the complete water from surface mounted Raw water sedimentation tank of size: 18 meters long, 17 meters width and 3.50 meter deep with the help of electric driven pumping set after that remove all silt, sediments and other foreign material from the tank and remove all material from the site exceeding 50 meters depositing where directed at a level n exc. 1.5 m above from the starting point & than clean complete inside wall with the help of wire brush and bleaching powder and finally washing with clean watercomplete all as specified and directed. Location: MES Pump House Happy valley. Note : 1. The pump set along with fuel ( diesel / petrol) required for dewatering shall be arranged by the contractor without any extra cost to the department. The rate quoted shall be deemed to be included for the same complete all as specified and directed.

M&L for dewatering the complete water from underground Clear water sump of size: 14 meters long, 5.50 meters width and 3.5 meter deep (II nd Portion) through seven (7) stage mechanical tank cleaning process by involving the following seven (7) stages of cleaning process complete all as specified and as directed by Engr-in-Charge Location: MES Pump House Happy valley Clear water sump. (a) Draining out reserved water by opening drain out valve/ dewatering system. (b) Removing all scale, dirt, mud inside the tank by using TERBACK G10 Chemical and Scrubbing the wall of tank all complete. (c) Cleaning inside sufaces of the tank with Fresh water by high speed jet pump all complete. (d) First bacteria screening for sterilisation by using TERBACK all complete. (e ) Cleaning the floor of the water tank by heavy duty industrial vacuum cleaner all complete. (f) Second bacteria screening for sterilisation by using UV rays all complete. (g) Third bacteria screening for sterlisation by using TERBACK G65. Note : - (1) The entire work should be carried out be TANKCLEAN process by any franchises or M/s RAYS CLEANTECH, or any other MES approved firm having equivalent technology. (2) Entire T&P should be arranged by the Contractor at their own. Only electric power & water shall be supplied by MES at the stipulated rate. (3) "Date of cleaning" should be written over the outer surface of tank by synthetic enamel paint with lettering not less than 100 mm height. Cost of the same is deemed inclusive in the quoted unit rate of cleaning of tank. Note : 1. The pump set along with fuel ( diesel / petrol) required for dewatering shall be arranged by the contractor without any extra cost to the department. The rate quoted shall be deemed to be included for the same complete all as specified and directed.

All as per item No. 06 hear in before but of size: 6 meters long, 3 meters width and 3.5 meter deep, Location: MES Pump House Happy valley complete all as specified and directed.

All as per item No. 06 (I st Portion) hear in before but of size: 12meters long, 7.50 meters width and 3.5 meter deep, Location: MES Pump House Happy valley complete all as specified and directed.

M&L for dewatering the complete water from underground clear water sump of capacity 470000 Gallon with the help of electric driven pumping set after that remove all silt, sediments and other foreign material than clean complete inside tiles fitted on inside wall with the help of wire brush/Steel wool/scotch bright and bleaching powder and finally washing with clean water complete all as specified and directed. Location: Pump House Happy valley. SIX tank, 58 GTC Near 11EWU. (a) Draining out reserved water by opening drain out valve/ dewatering system. (b) Removing all scale, dirt, mud inside the tank by using TERBACK G10 Chemical and Scrubbing the wall of tank all complete. (c) Cleaning inside sufaces of the tank with Fresh water by high speed jet pump all complete. (d) First bacteria screening for sterilisation by using TERBACK all complete. (e ) Cleaning the floor of the water tank by heavy duty industrial vacuum cleaner all complete. (f) Second bacteria screening for sterilisation by using UV rays all complete. (g) Third bacteria screening for sterlisation by using TERBACK G65. Note : - (1) The entire work should be carried out be TANKCLEAN process by any franchises or M/s RAYS CLEANTECH, or any other MES approved firm having equivalent technology. (2) Entire T&P should be arranged by the Contractor at their own. Only electric power & water shall be supplied by MES at the stipulated rate. (3) "Date of cleaning" should be written over the outer surface of tank by synthetic enamel paint with lettering not less than 100 mm height. Cost of the same is deemed inclusive in the quoted unit rate of cleaning of tank. Note : 1. The pump set along with fuel ( diesel / petrol) required for dewatering shall be arranged by the contractor without any extra cost to the department. The rate quoted shall be deemed to be included for the same complete all as specified and directed.

All as per item No. 9 here in before but of overhead, PS Tank of capacity 40000 Gallon, Location: 58 GTC near Disco mode complete all as specified and directed.