REPAIR / MAINT OF FLOOR TILING , WALL TILING, ROOF FALSE CEILING, PLINTH PROTECTION , PLASTER KITCHEN BATH WC, PRESSED STEEL, CHAUKHAT AND CONNECTED WORKS OF DIBRUGARH, CHAUBUA AND GANESHBARI AREA UNDER GE DINJAN NO 2

M & L for Cleaning and removing all scale and dirt, etc. from water tanks capacity exceeding 250 litres but not exceeding 500 Litres and from mouths of circulating pipes, etc. complete all as specified and as directed.

M & L for Cleaning and removing all scale and dirt, etc. from water tanks capacity exceeding 500 litres but not exceeding 1000 Litres and from mouths of circulating pipes, etc. complete all as specified and as directed.

Taking down chowkats and shutters (without taking off shutters from the frame) n.exc 1.5 sqm each complete in all respect as specified and directed.

Taking down chowkats and shutters (without taking off shutters from the frame) exc 1.5 sqm but not exc 4Sqm each complete in all respect as specified and directed.

Taking down shutters exc 1.0 sqm but n. exc 2 Sqm each complete in all respect as specified and directed.

Taking down shutters n. exc 1.0 sqm each complete in all respect as specified and directed.

Demolation of Brick work, built in cement mortar including all quoins, arches, pillars etc., but excluding ashlar facing, and pre-cast concrete articles complete in all respect as specified and directed.

M & L for seven stage cleaning and sterilization of inside and outside of overhead PVC service tank of exc 250 but n. exc 500 liters capacity through bacteriological treatmentby using TERBAC GS or equivalent, TERBAC-G-65 or equivalent and ultra violet ray. First stage: Drain out the water by using exist valve or high capacity dewatering system without disturbing the other material/item. Second stage: Claen th all algae formation inside the tank by using TERBAC G 10 or equivalent, a laboratory tested branded chemical of the company and scrubbing the walls of the tank. Third stage : Clean the tank with fresh water by high speed jet pump.. Fourth Stage: Bacteria screening by decertification using TERBAC-G5 or equivalent, a Govt laboratotory certified branded halogen compound. Fifth stage: Cleaning the floor of water tank by industrial vaccum cleaner. Sixth stage: Second bacteria screening and sterilizing method by using ultra violet ray within the tank and kills all suspended bacteria. Seventh stage: Cleaning and third bacteria screening is to sterilize the floor of the water tank by using laboratory certified, branded strong oxidizing agent TERBAC-G65 or equivalent. Note: Cost of staging and necessary working platform shall deemed to be included in quoted rate. Contracor shall ensure necessary safety precaution and insurance of workers during execution. The quoted rates shall deemed to be included the cost of writing date of cleaning, due date and capacity of tank shall be mentioned over tank.

M & L for seven stage cleaning and sterilization of inside and outside of overhead PVC service tank of 1000 liters capacity through bacteriological treatmentby using TERBAC GS or equivalent, TERBAC-G-65 or quivalent and ultra violet ray. First stage: Drain out the water by using exist valve or high capacity dewatering system without disturbing the other material/item. Second stage: Claen th all algae formation inside the tank by using TERBAC G 10 or equivalent, a laboratory tested branded chemical of the company and scrubbing the walls of the tank. Third stage : Clean the tank with fresh water by high speed jet pump.. Fourth Stage: Bacteria screening by decertification using TERBAC-G5 or equivalent, a Govt laboratotory certified branded halogen compound. Fifth stage: Cleaning the floor of water tank by industrial vaccum cleaner. Sixth stage: Second bacteria screening and sterilizing method by using ultra violet ray within the tank and kills all suspended bacteria. Seventh stage: Cleaning and third bacteria screening is to sterilize the floor of the water tank by using laboratory certified, branded strong oxidizing agent TERBAC-G65 or equiavlent. Note: Cost of staging and necessary working platform shall deemed to be included in quoted rate. Contracor shall ensure necessary safety precaution and insurance of workers during execution. The quoted rates shall deemed to be included the cost of writing date of cleaning, due date and capacity of tank shall be mentioned over tank.

S & F in position two layered ISI marked rotational moulded polyethylene water storage tanks of 500 litres capacity (cylindrical vertical with closed top) including cover, using new GI tank/PPR or other type of material tank nipples and unions for inlet and outlet pipe connection of same internal bore dia. and one for cleaning with dead plug , including dismantling and taking down of old unserviceable water storage tank complete in all respect as specified and directed.