PERIODICAL CLEANING AND MAINT SERVICES TO OVERHEAD RESERVOIRS, VALVE CHAMBERS AND CONNECTED WORKS IN TECH AREA AF STN GWALIOR

M & L for carrying out chemical analysis of water as per IS- 10500- 2012 from any govt Approved lab/Institute after collecting the water sample(SIXTEEN NO) in separate suitable container as prescribed by the labs from following each pump house / borewell complete all as specified and directed by Engr-in-Charge :- (a) 9 Sqn Pump House (b) ETB PUMP HOUSE (c) BOMBDUMP pump house (d) Logistic Pump House (e) NOR Pump House (f) SOR pump House (g) Tech Flt Pump House (h) 06 Ens bore well (j)CSD Old bore well (k) BPCL bore well (l) 1 Sqn bore well (m) ‘A’ Flt pump House (n) Tropo Pump Housek (o) CCR new Pump House (P) Singpur range pump House (q)HQ Pump house

M & L for carrying out chemical analysis &biological analysis of water as per IS- 10500- 2012 from any govt Approved lab/Institute after collecting the water sample of user end, (one sample) in separate suitable container as prescribed by the labs from location complete all as specified and directed.

M&L for Cleaning of RCC OH tank of capacity 50000 Gallons of any description cleaning inside of the over head tanks by removing all depositions/fungus other micro organism, sediment loose dirt/mud sludge, Vegetation, other foreign materials etc and also removing loose/unsound concrete/plaster including taking out and removing all disposal waste / spoil to a distance not exceeding 50 mtr and Brushing with nylon brush on walls & bottom surfaces , washing the surfaces with clean water and washing repeatedly with Rebekiense solution and clean with water & cleaning of external surface with water, including two coats of white wash and opening washout/drain pipe and sluice valve cleaning and refixing drain/washout pipe and painting two coats with synthetic enamel paint of drain pipe ,overflow pipe ,inlet, outlet pipe 150/100 mm dia, and panting of cleaning date and next due cleaning date of each tank, complete all as specified and directed.

M&L for Cleaning of RCC OH tank of capacity 10000 Gallons of any description cleaning inside of the over head tanks by removing all depositions/fungus other micro organism, sediment loose dirt/mud sludge, Vegetation, other foreign materials etc and also removing loose/unsound concrete/plaster including taking out and removing all disposal waste / spoil to a distance not exceeding 50 mtr and Brushing with nylon brush on walls & bottom surfaces , washing the surfaces with clean water and washing repeatedly with Rebekiense solution and clean with water & cleaning of external surface with water, including two coats of white wash and opening washout/drain pipe and sluice valve cleaning and refixing drain/washout pipe and painting two coats with synthetic enamel paint of drain pipe ,overflow pipe ,inlet, outlet pipe 150/100 mm dia, and panting of cleaning date and next due cleaning date of each tank, complete all as specified and directed.

M&L for Cleaning of RCC OH tank of capacity 25000 Gallons of any description cleaning inside of the over head tanks by removing all depositions/fungus other micro organism, sediment loose dirt/mud sludge, Vegetation, other foreign materials etc and also removing loose/unsound concrete/plaster including taking out and removing all disposal waste / spoil to a distance not exceeding 50 mtr and Brushing with nylon brush on walls & bottom surfaces , washing the surfaces with clean water and washing repeatedly with Rebekiense solution and clean with water & cleaning of external surface with water, including two coats of white wash and opening washout/drain pipe and sluice valve cleaning and refixing drain/washout pipe and painting two coats with synthetic enamel paint of drain pipe ,overflow pipe ,inlet, outlet pipe 150/100 mm dia, and panting of cleaning date and next due cleaning date of each tank, complete all as specified and directed.

M&L for replacement of LED aviation obstruction light fitting single unit 250 Volts built in 75 VA step up transformer & made out of aluminium alloy body on top side of RCC over head tank complete all as specified and directed. Make Philips/Crompton/Bajaj

Material and labour for EARTHING complete with galvanized steel earth plate electrode 600mmx600mmx6mm burried directly in ground vertically to a depth not less than 2.25 mtr below normal ground level (with top edge of earth plate not less than 1.5 mtr below ground level) connected to GI strip 25mmx4mm means earthing lead by means of galvanized bolts, nuts and washers all as shown in electrical plate no. 3 of MES schedule part -I ,earth lead connected to earth test point and to main switch board etc with and including adequate quantity of charcoal dust and common salt all around earth plate PCC 1:3:6 type C-1 using 20mm graded stone aggregate for earth pit with pre cast RCC 1:2:4 type B-1 using20mm graded stone aggregate 40mm thick cover reinforced with 8mm TMT bars 03 Nos both way with 12mm dia round bar handle GI medium grade watering pipe 20mm dia with funnel and wire mesh etc complete all as specified and directed. Note:- The cost of earth lead including 7.5 mtr only from the top of earth electrode are deemed to be included under this item and additional earth lead if any required shall be measured separately under appropriate item of sch A.

M&L in repair water level indicator gauge of over head tank, replacement of copper float of size 200mm dia with 2mm thick flexible steel wire rope and replacement of level scale painting of numbering, and replacement of gauge move pully with complete accessory complete all as specified and directed.