REPAIR/MAINT, CLEANING AND PERIODICAL SERVICES TO O/H TANK AND UNDERGROUND SUMP AND PUMP HOUSE BLDGS AT AF STATION BHOWALI

Amount

Disconnecting of all electric and water connections from RO water purifier of any capacity and make, opening the same and repairing the same after replacement of defective spare parts and re-connecting all electrical and water connections after repairs complete all as specified and directed. NOTE: - All spare parts shall be measured and paid separately under respective items of this schedule as ‘Supply only’.

Adopter.

Sediment filter.

Membrane.

Carbon filter.

Cleaning of RCC water reservoir (sump) and PVC tank of any capacity, drain out water partly, removing all scale and dirt etc from sump/tank, cleaning by using wire / coir brush with bleaching powder and water etc complete all as directed, re-writing the letter not exceeding 25 cm on high as ‘Tank Cleaned on indicating date, month and year of cleaning with synthetic enamel paint white in colour on black base complete for the following locations all as directed by the Engr in charge.

Under ground sump in 2 half’s Near pump house No 1 at Nainital

Water storage sump of 50,000 Ltrs capacity above ground level at Pump house No 2 at Pines

Water storage sump of 5,000 Ltrs capacity above ground level at Pump house No 2 at Pines

Water storage PVC tank of 60,000 Ltrs capacity above ground level at Pump house No 3 at pines to LKT road

Water storage PVC tank of 25000 Ltrs capacity above ground level at Pump house No 4 at Pines to LKT road

Water storage PVC tank of 25000 Ltrs capacity above ground level at LKT

Water storage PVC tank of 75000 Ltrs capacity above ground level at LKT

Static water storage tank open type of capacity 50000 ltrs at LKT

Supply and fixing in repair Fully automatic Star Delta motor starter in sheet steel enclosure 15/20 HP max out put at 415 Volt, 3 phase, relay range-14 to 23 Amp , 415Volt,50 Hz,3phase, Make- L&T,Schneider,Havells or Equivalent, with all electrical connections as specified and as directed.

Supply only Ortho Tollidine solution for water testing, in 500 ml bottles complete all as speicified.

Supply only water testing Kit with all accessories, samples in tubes from 0.1 ppm to 5 ppm from reputed manufacturer complete all as specified.

Supply only Calcium based high strength granular chlorination chemical for treatment of drinking water (Calcium Hypo chlorite 65% to 70% chlorine content) in 45 Kg PVC sealed drum complete all as specified and directed. Make:- Traditional product of make "Puri Chlor" manufactured by Shree Rayalaseema Hi-Strength Hypo Ltd OR Potter & Watts OR of any other make as approved by E-in-C's Branch, New Delhi.

Collection of water sample from the bore well and testing of the same for potability (bacteriological and chemical analysis) of drinking purpose from the Uttrakhand Jal Sansthan Nainital or any other Govt. recognized lab for testing of potable water and submission of report to the department complete all as specified and directed.

M & L for opening of top and bottom cover of vertical type pressure feed filtration plant of capacity 20000 Litres per hour at Pump House No. 02 (Pines) including taking out old filter media and strainer etc and depositing the same to a distance not exceeding 50 metres complete all as specified and directed.

M&L for Scrapping and cleaning of the inner and outer surfaces of the filter bed of the shell for complete removal of scales, rust old paint etc and painting with two coats of anti corrosive bituminous paint suitable for storage of potable water for internal / external surfaces and two coats of synthetic enamel paint of approved colour for horizontal type pressure feed filtration plant of capacity 20000 Litres per hour complete all as specified and directed.

Laying only gravel of different sizes for vertical type, pressure feed filteration plant of capacity 20000 Litres per hour in different layers complete all as specified and directed.

Supply only new washed, cleaned, dust free graded pea gravels of following sizes suitable for use in filteration plant of following sizes: -

1.50 mm to 3.00 mm size.

3.00 mm to 6.00 mm size.

6.00 mm to 15.00 mm size.

S & F of 6 mm thick rubber gasket suitable for filteration plant complete all as specified and directed.

Cleaning of RCC overhead water reservoir of capacity 1,80,000 Litres in Adm area, drain out water partly, removing all scale and dirt etc. from tank, cleaning the same by using wire / coir brush with bleaching powder and water, re-writing (at bottom) the letter not exceeding 25 cm on hight as ‘Tank Cleaned on indicating date, month and year of cleaning with synthetic enamel paint white in colour on black base block including removal of sludge and vegitation inside or out side and depositing the same in low lying area complete all as as specified and directed.

Chlorine tablets contained in plastic cylindrical sealed disposable sanitizer refill for disinfection of drinking water with arrangement for controlled release of disinfectant in water,suitable for operation through for recommended dosing system; (a)Replacement Indication-Visual&Weight variation, (b)Water contact orifice design-Sealed when dry,exposed upon im mersion (c) Operation Type-Non contact,Non Inhalatory (d) Cylinder dia;2.5 inches±0.5 inches (e) Cylinder height-Minimum 10 inches±0.5 inches. Model-Stequa 411AE Refill. Make-Declibac Technologies or Equivalent. Note-Use only for centrifugal pumps and sumps Make- Declibac or equivalent as approved by Eng- in- charge.

SURYA CONSTRUCTION