REPAIR MAINT AND CLEANING OF UG SUMP OH TANK VALVE CHAMBER AND ALLIED WORK AT GE DEHU ROAD

Amount

M & L for cleaning over head tank of height upto 20 Mtr from ground level and dewatering complete and removing sludge/mud settled at bottom, scrapping of floor / wall internally by wire brush and washing floor and wall with diluted Sulphuric Acid to remove the algae thoroughly and clean the surface in all respect and throwing out the sludge / mud, muddy material along with foreign material from inside to outside where directed. After cleaning the reservoir completely, wash the surface of the wall with lime solution / Alum water with two coats and dried up and final cleaning with Anti bacterial spray and ultra violet radiation treatment etc. complete in all respect including writing letters or figures for date of cleaning and capacity of tank with Synthetic enamel paint black background & letter/ numbers in white colour & words size is 10 cm height on tank complete to the entire satisfaction of Engr-in-Charge and all as specified for the following capacity of tanks : Note : i) Contractor will make alternate arrangement to make sure of water supply to consumer or cleaning of tank in alternate days to avoid hampering of water supply, the same will be done all as per directed by Engr-In-Charge.

OH tank of capacity 1.5 Lakh Gallons at Unit 495.

OH tank of capacity 1.0 Lakh Gallons at Unit 105 AD Regt.

OH tank of capacity 1.0 Lakh Gallons at C II Pump House OD Talegaon.

M & L for cleaning Semi UG Sump on Hill top and dewatering complete by pumping motor set or manually and removing sludge/mud settled at bottom, scrapping of floor / wall internally by wire brush and washing floor and wall with diluted Sulphuric Acid to remove the algae thoroughly and clean the surface in all respect and throwing out the sludge / mud, muddy material along with foreign material from inside to outside where directed. After cleaning the reservoir completely, wash the surface of the wall with lime solution / Alum water with two coats and dried up and final cleaning with Anti bacterial spray and ultra violet radiation treatment etc.i.e. complete in all respect including writing letters or figures for date of cleaning and capacity of tank with Synthetic enamel paint black background & letter/ numbers in white colour & words size is 10 cm height on tank complete to the entire satisfaction of Engr-in-Charge and all as specified for the following capacity of tanks : Note : i) Contractor will make alternate arrangement to make sure of water supply to consumer or cleaning of tank in alternate days to avoid hampering of water supply, the same will be done all as per directed by Engr-In-Charge.

Capacity of tanks 6.0 Lakh Gallons on Hill top of Ayyappa opposite GE Dehu Road.

Semi UG Sum of capacity 0.80 Lakh Gallons on Hill top of Ayyappa opposite GE Dehu Road.

Semi UG Sum of capacity 2.0 Lakh Gallons on Hill top opposite A - II Pump house.

Semi UG Sum of capacity 0.5 Lakh Gallons on Hill top opposite A - II Pump house.

Semi UG Sum of capacity 0.45 Lakh Gallons on Hill top at Alkapuri.

Semi UG Sum of capacity 0.30 Lakh Gallons on Hill top at Alkapuri.

Semi UG Sum of capacity 0.5 Lakh Gallons on Hill top of CQSV(A).

M & L for cleaning of under ground fresh water sump by dewatering complete by pumping motor set or manually and removing sludge / mud settled at bottom, scrapping of floor / wall internally by wire brush and washing floor and wall with diluted Sulphuric Acid to remove the algae thoroughly and clean the surface in all respect and throwing out the sludge / mud, muddy material along with foreign material from inside to outside where directed. After cleaning the sump completely, wash the surface of the wall / bottom with lime solution / Alum water with two coats and dried up (height of tank up to 5 Mtrs from ground level), with Anti bacterial spray and ultra violet radiation treatment etc. i.e. complete in all respect including writing letters, or figures for date of cleaning and capacity of tank with Synthetic enamel paint with black background & letter / numbers in white colour & words size 10 cm height on tank complete to the entire satisfaction of Engr-in-Charge and all as specified for the following capacities of tanks :-

UG Sump of capacity 2 Lakh Gallons at A II Pump House.

UG Sump of capacity 0.15 Lakh Gallons at C II Pump House.

UG Sump of capacity 1.0 Lakh Gallons at Kinai Pump House.

UG Sump of capacity 2.25 Lakh Gallons at MIDC Pump House.

UG Sump of capacity 0.40 Lakh Gallons at Kohima Line.

UG Sump of capacity 0.5 Lakh Gallons at Unit 105 AD Regt.

UG Sump of capacity 0.25 Lakh Gallons at Unit 763.

Supply,fixing in repairs and connecting 200 mm dia Sluice Valve Class PN 1.6 both ends flanged withgun metal brass with check nut; including provision of jointing material such as insertain sheet 3 mm thick nut & bolts with washer all as required at site of the following sizes.

M & L for cleaning of OH Tank by dewatering complete and removing sludge / mud settled at bottom, scrapping of floor / wall internally by wire brush and washing floor and wall with diluted Sulphuric Acid to remove the algae thoroughly and clean the surface in all respect and throwing out the sludge / mud, muddy material along with foreign material from inside to outside where directed. After cleaning the sump completely, wash the surface of the wall / bottom with lime solution / Alum water with two coats and dried up (height of tank up to 5 Mtrs from ground level), with Anti bacterial spray and ultra violet radiation treatment etc. i.e. complete in all respect including writing letters, or figures for date of cleaning and capacity of tank with Synthetic enamel paint with black background & letter / numbers in white colour & words size 10 cm height on tank complete to the entire satisfaction of Engr-in-Charge and all as specified for the following capacities of tanks :-

OH tank of capacity 0.10 Lakh Gallons at C II Pump House.

OH tank of capacity 0.10 Lakh Gallons at A II Pump House.

OH tank of capacity 0.10 Lakh Gallons at Kinhai Pump House.

Supply,fixing in repairs and connecting 300 mm dia Sluice Valve Class PN 1.6 both ends flanged withgun metal brass with check nut; including provision of jointing material such as insertain sheet 3 mm thick nut & bolts with washer all as required at site of the following sizes.

M&L for cleaning of sedimentation tank / fire tank of depth upto 10 m by collecting of accumulated mud and other course suspended material from sedimentation tanks of different pump houses (A II Pump House , C -II Pump House , Kinai Pump House ) under jurisdiction of GE Dehu Road and sedimentation/ mud and other material shall be removed to a distance exc 50 mtr where as directed and the entire satisfaction of Engr-in-Charge.

Sedimentation tank of capacity 60000 GPH at A-2 Pump House.

Sedimentation tank of capacity 40000 GPH at C-2 Pump House.

Sedimentation tank of capacity 30000 GPH at Kinhai Pump House.

M&L for cleaning Jack well of 60 feet depth at A1,C1 and Kinhai pump house dewatering of water by pumping etc. and removing the solid mud from the bottom of well by manually or by machanically and mud will be thrown away at a distance 200 mtrs at low line area from well and also cleaning of water channel and replace the MS new Jali at the mouth of channel to sustain the boulder coming in the well and testing for free movement of water flow in well to the entire satisfaction of Engr-in-Charge complete.

M&L for cleaning of the intake well of size 7 mtr dia at A1, C1 and Kinhai pump house by dewatering by pumping etc and removing the solid mud from the bottom of well by manuallly or by machanically and replace with new MS rose pieces as per site requirement and clean the water channel which lead to well and replace the MS Jali at the mouth of channel to sustain the boulder coming in the well and testing of free movement of water flow in the well to entire satisfaction of Engr-in-Charge.

M&L for cleaning of the STP at unit 495 of by making arrangement to stop the flow of Sewage and cleaning of grit chamber, screen chamber, collection sump and dosing chamber after then the out of sludge form the bottom of chamber by manually or by mechanically. Removed sludge will be thrown out of unit from the STP at least 200mtr away, also cleaning of chamber by water pressure, chuna, acid and wire brush and cleaning of srounding area of STP to the entire satisfaction of the Engr-in- Charge.

Taking out existing Quartz gravels and sand from filter media bed and keeping good sand retrived from site for re-use including seperation all different type/size of gravels. Note : Material retrive not for reuse should be diposited in low laying area upto 1 km distance and directed by Engr-in charge.

M&L for depositing fresh supporting quartz gravels size varying from 50 mm to 30 mm in filter bed / vertical filter raising/lowering upto 3 mtr depth/height all as directed by Engr-in-Charge.

All as per item No 11 above but 30 mm to 20 mm quartz.

All as per item No 11 above but 10 mm to 5 mm quartz.

All as per item No 11 above but 5 mm to 2 mm quartz.

Supply & depositing fresh filter media quartz fine Godra sand into layers raising/lowering upto 3 mtr depth/height in filter bed all as shown and directed by Engr-in-Charge.

S&F in repair UPVC pipe 40 mm dia fixed to floors, wall, ceiling including all fitting complete.

S&F in repairs vertical steel solid round bar of size 25 mm of sufficient length upto 3 to 4 mtr long to operate the sluice valve of various size vertically ( size 150 mm, 200 mm, 250mm, 300mm ) both end of the round steel bar (25mm) is to be fabricated in such a manner that these are fixed in the sluice valve wheel at one end and other end into the valves adopter incl neccesary welding work and febrication as per site requarement so as the sluice valve can be operate vertically as per sample and all as directed by Engr - in - Charge.

Om Sai Enterprises

S.M.Sales Corporation