REPAIR OF FILTER MEDIA INCLUDING CLEANING AND ALLIED WORKS RIVER SIDE PUMP HOUSE UNDER GE RAMGARH CANTT

Amount

Cleaning by scrubbing, taking out muds/ sludge from sedimentation tank and removal of mud/sludge outside the pump house of settling tank located at 17 Camp House washing down the floor with water and applying two coats of white wash on external surface of the tank and spreading bleaching power @ 1 Kg per sqm comprising of the following, complete all as specified and as directed by Engr-in-Charge. (a) Tank of size 18.8 x 18.4 x 1.5 mtrs = 02 Nos (b) Tank of size 18.8 x 18.95 x 1.5 mtrs = 03 nos (c) Tank of size 18.4 x 8.95 x 1.5 mtrs = 01 No (d) Tank of size 9.55 x 9.5 x 1.5 mtrs = 01 No (e) Channel 2 x 4 m = 8 Nos (f) Drain Channels (g) Mud drain Note: the mud must be removed and deposit 50mtr from the site.

Cleaning by scrubbing, taking out muds/ sludge from RCC underground Sump of 02 Nos having 1,25,000 gallons capacity located at Ghutwa Pump House by drainage out the waste water from sump by manually/mechanically or other mean and cleaning the floor and wall with clean water and applying bleaching powder to floor of sump @ 1 Kg per Sqm, complete all as specified and as directed.

Repair/servicing/overhauling of Iron removal plant vertical type of capacity 10,000 GPH by opening of manhole cover, hand role cover, disconnected pipe lines by taking out/cutting the old rusted MS bolts, nuts and washers neoprene rubber gasket, taking out old exhuasted filter media consisting of pea gravells, grit coarse sand manganese and PVC stainer etc., complete and removing the old complete unserviceable materials from site and laying of new pea gravels, grit, manganese, coarse sand, fixing of new PVC stainer after closing the manhole cover, hand hole cover, including pipe lines connnections, valve etc and testing complete all as specified and as directed. Note: 1 New pea gravel grit, coarse sand, manganese and PVC strainer will be measured and paid separately under respective items. 2. Supply of MS bolts, nuts & washers, neoprene rubber gasket and refixing of old serviceable strainer after cleaning by HCL solution to IRP plant is included in the unit rate. 3. Chemical test and bacteriological test should be carried out through Govt laboraty for which rate is included in the unit rate only.

Cleaning and scrapping the inner periphery of IRP plant vertical type of capacity 10,000 GPH vessel by using wire brush and flushing with fresh water, drying and applying two coats of anti-corrosive bituminous paint using spray machine over a coat of red oxide primer used in potable water, complete all as directed by Engr-in-Charge.

Cleaning and scrapping the outer surface of vessels of (Iron remval plant) IRP vertical type of capacity 10,000 GPH and removing rust using wire brush, sand paper etc, and painting with two coats of synthetic enamel paint of blue colour over a coat of red oxide primer including writing of cleaning date and capacity by synthetic enamel paint of white colour and MES No. in dark red colour complete all as specified and directed by Engr-in-Charge.

S & F new PVC strainers suitable for above horizontal/vertical IRP vessel complete all as per OEM, as directed by Engr-in-Charge.

S & F of new life Filter media (Sand and gravels) of different sizes in layers in the vessel of IRP plant, complete all as specified and as directed.

Dismantling hand hold cover, pipe lines by taking out/cutting the old rusted MS bolt nuts and washers, neoprene rubber gasket etc., of oxidation chamber, taking out manganese dioxide (MnO2) and to be kept for reuse purpose and refixing the same by new MS bolt nuts and washers, neoprene rubber gasket etc., complete all as specified and as directed.

Cleaning, scrapping the inner periphery of oxidation chamber, flushing with fresh water drying and applying two coats of anti-corrosive black bituminous paint over a coat of red oxide primer suitable for potable water, complete all as specified and as directed.

Cleaning, scrapping and preparation of external old rusted iron surface of oxidation chamber and painting with two coats of synthetic enamel paint using spray machine of blue colour over a coat of red oxide primer, all as directed including writing of date of cleaning in white colour and MES No. in dark red colour, complete all as specified and as directed.

S & F new Manganese dioxide (MnO2) in oxidation chamber, complete all as directed.

S & F butterfly valve of size 150 mm dia conforming to IS 13095 both end flanged including new bolts, nuts, washers and neoprene rubber gasket including taking down old one, complete all as specified and as directed.

All as per item No. 12 here-in-before but 100mm dia.

Calibration and repair of Pressure meter of gravity type filtration plant alongwith all accessories at river side pump house, complete all as directed.

S & F 3 HP DOL starter suitable for cleaning compressor of Iron Removal Plant (IRP), complete all as directed by Engr-in-Charge.

ranjit singh

M/S Akash Enterprises

Modernage Constructions Pvt. Ltd.

M/s Shubham Constructions Co.