REPAIR MAINTENANCE OF RISING MAINS INCLUDING SLUICE VALVE NRV FOOT VALVE CLEANING OF OH TANK UG SUMPS FILTERATION PLANT REPAIRS TO PUMP MOTORS AT ALHILAL MIL STN UNDER GE PALAMPUR

M & L for Cleaning of sedimentation tank 360000 gallon (split into two equal parts of 180000 gallon) by taking out the mud,sill,sand and other particle and removing the waste material to a distance not less than 50m and spreading and levelling complete as directed including washing and scrubing down of algae,scales,vegetation and shrubs from the inside of tank with wire brush,washing with lime mixed water and applying two coats of white wash inside of tank after preparation of surface,external surface of tank shall be painted with two coats of cement base paint including preparation of old surfaces,provided block of size 90x60cm on external surface of wall with black synthetic enamel paint including write capacity of tank, date of cleaning of tank with white paint complete all as specified and directed.

All as per item No-1 above but, of cap 52000 gallons capacity Semi UG Sump Shed type (Supply Tank). complete all as specified and directed.

All as per item No-1 above but for RCC under ground sump of capacity 1 Lakh Gallon (Supply tank) complete all as specified and directed.

M&L for Cleaning of RCC over head water tank of capacity 100000 Gallons at 21 metre height by removing sludge, mud or any other foreign material from the bottom and internal wall surface of tank by means of wire brush and spraying of cleaned fresh water, balling out accumulated dirty water inside the tank with pump sets, removal of deposited muds and other sediments, washing of internal surface with sufficient quantity of mixture in suitable proportion (0.10 Kg of bleaching powder will be mix in 1.0 litre water), finally applying two coats of lime washing on entire internal surface of walls, allowing applied coat to become dry and wait for confirmation from MES Staff, writing the date of cleaning and capacity of tank with white synthetic enamel paint on black background with synthetic enamel paint complete all as specified and directed.

Deployment of man power for collecting the sample of water from different point such as under ground sump, Open well, Bore well for chemical and bacteriological testing of water from authorised govt lab for iron content in water, PH value, Hardness, turbidity, chloride, fluoride and other parameters as per IS standrads complete all as specified and directed.

Excavation in trenches not exceeding 1.5m wide and not exceeding 1.5m in deep for foundation, taking up/down or laying of GI tubing/CI pipe etc or for shaft, wells, cesspits, manholes, pier holes etc not exceeding 10 sqm on plan and getting out in any type of soil complete all as specified & directed.

Returning, filling in, including, spreading, levelling, watering and well ramming in layers not exceeding 25 cm thick in any type of soil complete all as specified & directed.

Removing excavated soil to a distance not exceeding 50 m and depositing where directed at a level not exceeding 1.5 m above the starting point complete all as specified & directed.

Cutting the existing hard standing/metal road to facilitate for laying of GI pipe line/LT cables and making good the disturbed portion to bring it to original condition with PCC 1:4:8 type D2 using 40 mm graded crushed stone aggregate complete all as specified & directed.

Taking up or down old GI tubing 80 mm bore and connections (including fittings) from trenches/walls /floors and connections including cleaning for re-fixing or remove to store yard/ credited to contractor complete all as specified and directed.