Maint.Dn/DB/368/2024

Amount

Cleaning the sump available including removing the dead water below foot value after through scrapping the side and bottom of sump with bleaching powder and wire brush etc complete in all respect complying with relevant standard specification and as directed by the departmental officers.

Cleaning of sintex OHT of 750 litres capacity with bleaching powder brush, thorough brushing two times inside alround the tank and bottom of the tank including bailing out of dirty water and cleaning the tank wall alround with clear water, removing and refixing in original position of the GI outlet pipes without any damaging the tank.

Removing the vegetation all arounds the walls on the blocks such as small banyan tree small neem tree etc including cutting the plants removing the roots inside the walls and replacing the walls as it is etc all complete as directed by the departmental officers.

Supply and fixing of 600mm x 600mm SFRC (Steel Fibre Reinforced Concrete) Slab etc complete in all respect complying with relevant standard specification and as directed by the departmental officers.

Cleaning the silt and slush from the Inspection chamber and collection well removal of sludge and silt with the help of Scavenger & Man mazdoor clearning the silt and sludge away from the scheme area including cost of hire charges for rope, bucket,coconut oil, soap and bleaching powder and acid etc complete in all respects and as directed by the departmental officers.

Supply and delivery of 1 HP Electric Monoset centrifugal pump conforming to IS 9079:2002 as amended from time to time, with CI FG 200 Casing , hydraulically and dynamically balanced Bronze grade LTB-2 impeller, impeller ring and casing ring, stainless steel shaft capable of discharging required quantity of water against a total head noted below due to all causes. Pump shall of BEE 3 Star Rated and capable of discharging the specified quantity at the head noted at the minimum NPSHA at site conditions. The shut off head shall be atleast 25% over and above the head at duty point. The pump shall be suitable for operation in AC three phase , 415 V+/- 10% , 50 Hz +/- 5%. Squirrel cage induction motor for continuous operation. The speed of the Pump and Motor shall be not less than 2700 to 2900 RPM respectively etc complete in all respect complying with relevant standard specification (The brand and quality of the pipes should be got approved from EE before use)

Supplying laying, fixing and jointing the following ASTM-D-1785 schedule-40 of wall thickness not less than the specified in IS 4985 PVC pipes and specials suitable for plumbing by threading including cost of materials PVC/GI specilas GM specials like Elbow, Tee, reducers, Plug, Union, Bend, Coupler Nipple, GM gate valve Checkvalve, and wheel valve etc wherever required etc all complete including necessary earth work and refilling after pipes are laid below GL true to alignment and slope, testing with water etc., all complete compplying with relevant standard specification and as directed by the departmental officers. (The brand and quality of the pipes should be got approved from EE before use)

25mm dia PVC Pipe

40mm dia PVC Pipe

Supply and fixing of 40 mm dia Wheel Valve etc complete in all respect complying with relevant standard specification and as directed by the departmental officers.

Sub Total

M/S SRIMATHI AND CO (BID ID -1224484)