CLEANING OF OVER HEAD RESERVIOR SERVICE GLR UG SUMP AND REPAIR WORKS TO CHLORONOME PLANT SERVICE TANKS AND ALLIED WORKS IN EAST AREA OF AF STATION UNDER GE M AF JALAHALLI BANGALORE

Amount

Material and labour for dewatering Cleaning of OH reservoir / underground sumps of 2,00,000 gallons capacity GLR (Range pump house) with high pressure water jet to remove all masses, algae and dirt and removal of dirty water along with sludge using sludge machine and disposal of the same to a safe distance to out side of MD land and including scrubbing of internal surfaces using industrial vacuum machine and applying of anti bacterial sterilization spray to walls, floors and ceilings all as directed by Engr-in-Charge Note: (a) The Rate coated by the contractor is deemed to include provision stickering of date of cleaning on the existing board letter / figures ( Block, Roman, Italic or Indian) in White or Black colour and size as per existing font. (Date of Tank Cleaned in format of (DD/MM/YY) (b) The Rate quoted by contractor is for cleaning of Tank one in Six Month one time cleaning only.

All as per Sl Item No.1 here-in-before but 1,50,000 gallons capacity GLR (GLR 1 & 2 Double tank)

All as per Sl Item No.1 here-in-before but 50,000 gallons capacity GLR (Range pump house)

All as per Sl Item No.1 here-in-before but 25,000 gallon capacity GLR (Double tank 168 WO)

All as per Sl Item No.1 here-in-before but 1,50,000 gallons capacity overhead reservoirs (Bhatiya Tank)

All as per Sl Item No.1 here-in-before but 1,50,000 gallons capacity overhead reservoirs (IMH Area)

All as per Sl Item No.1 here-in-before but 1,50,000 gallons capacity over head reservoirs ( E&ITI Tank inner & outer)

All as per Sl Item No.1 here-in-before but 2,50,000 gallons capacity over head reservoirs ( ETI Tank inner & outer)

All as per Sl Item No.1 here-in-before but 25,000 gallons capacity over head reservoirs ( MAP, 54 Civ, 168 WO)

All as per Sl Item No.1 here-in-before but Static water Tank of capacity 15,000 Gallon

All as per Sl Item No.1 here-in-before but Static water Tank of capacity 20,000 Gallon

All as per Sl Item No.1 here-in-before but Static Water Tank at SSC 10,000 Gallon

Material and labour for preparation of old painted external surface by brooming down, scrubbing with steel wire brush, scraping distempered and painted surface apply one coat of cement base paint for the reservoirs / Ground level / under ground sumps / RCC Tanks 2,00,000 gallons capacity GLR (Range pump house) Note : 1. The rate coated by the contract is inclusive of painting to Railing and Handel / Steel structure / Ladder with one coat of synthetic enamel black paint all as specified for a)

All as per Sl Item No.13 here-in-before but 1,50,000 gallons capacity GLR (GLR 1 & 2 Double tank)

All as per Sl Item No.13 here-in-before but 50,000 gallons capacity GLR (Range pump house)

All as per Sl Item No.13 here-in-before but 25,000 gallon capacity GLR (Double tank 168 WO)

All as per Sl Item No.13 here-in-before but 1,50,000 gallons capacity overhead reservoirs ( Bhatiya Tank & E&ITI OH Tank)

All as per Sl Item No.13 here-in-before but 1,50,000 gallons capacity overhead reservoirs (IMH)

All as per Sl Item No.13 here-in-before but 2,50,000 gallons capacity over head reservoirs ( ETI Tank )

All as per Sl Item No.13 here-in-before but 25,000 gallons capacity over head reservoirs ( MAP, 54 Civ, 168 WO)

Material and labour for one coats of synthetic enamel paint as per existing colour painting to old CI pipes & Valve chamber cover after making surface of any description by scraping etc as specified.

Material and labour writing letters in block letters n.exc 30 cm high with two coats of synthetic enamel paint with skilled labour

Material and labour writing arrow marks showing direction of water flow in CI pipes of any size up to 40 cm long with two coats of synthetic enamel paint with skilled labour all as directed at site.

Material and labour for Framed work such as grills, gratings, railing of ladder for OH Tank etc.. with ends of bars shouldered and/or riveted, or forged into spikes; framed guard bars; barred iron doors; ladders; framed balusters; walk ways; railings; framework of water tanks and similar work con- forming to Fe.290.Gde-E-165

Material and labour for Cast iron work grade FG 150, unmachined, in brackets, gully traps, gratings, railing, frames, manhole covers, fire and soot doors, dampers, stop valve boxes, gate stops, parts of ranges, balusters and similar articles exc 5 Kg each

Material and Labour to mechanical water type indicator in repair by replacing brass ball valve with high pressure polythene float, greasing and repairing to pullies and replacement of steel wire rope all as directed by Engr-in-charge at site including taking down unserviceable water level indicator

Monthly rental of Sim Card (Approx @ 350 per sim x 4 = 1400.00)

Material and labour for repair and programming of GSM based 5 Level water level indicator including replacement of GSM Antenna and Battery with automatic battery charging controller and for battery protection, stainless steel sensor for sensing and alerting of various level of the water in the tank / sump / The whole system should be weather proof and should be with high grade ABS enclosure for higher protection and reliability. sensor SS grade to be or SS 304 or above and to alert the water level even in case of electrical power failure in the OH Tank location, alarm indication in case of water level falling below 20% or reaching a Flood level which will be above 100% level sensor etc. Note :-Replacement of spares shall be measured and paid for separately.

Supply only Switch mode power supply suitable for level indicator Note The spares for smooth functioning of GSM based level indicator for item No 29 to 37 :-

Supply only Rechargeable battery 9 Volt

Supply only PLC board

Supply only Float sensor

Supply only PVC sheathed copper cable 1.5 sqmm 12 core

Supply only Battery 12 Volt 6 AH

Supply only Buzzer

Supply only LED Bulb 1 watt

Supply only Switch suitable for level indicator

Chemical analysis of water of Double Tank, Range Pump house,ETI OHT,E&ITI OHT,IMH Area OHT,54 Civ Qtr OHT from any Govt lab or any lab authorised by central/state govt for chemical analysis. The following test should be carried out :- (a) pHvalue,Turbidity as NTU,Max,TDS,Aluminium mg/L,Total ammonia mg/l,Ca mg/l,Cl mg/L,Cu mg/l,Residual chlorine mg/L,Fe mg/L,Mg,mg/L,No3 mg/L,Ag mg/L,Sulphate mg/L,Sulphide mg/L,Total Hardness mg/L,Lead mg/L,Mercurt mg/L,Total Arsenic mg/L,Total Chromium mg/L,E-Coli or Thermotolernt Coliform, Note:- Contractor should collect the water sample and submit the test result to Engr -in- charge as half yearly basis

Supply and fixing Stainless steel wire cloth 0.36mm nominal dia of wire and average width of aperture 1.40mm and fixed with stainless steel wire staples on overhead water tank

Supply and fixing Gun-metal, globe or gate valves, with iron wheel head, screwed both ends for iron pipe and fixed of size 50 mm.

Supply and fixing Gun-metal, globe or gate valves, with iron wheel head, screwed both ends for iron pipe and fixed of size 25 mm.

Supply only water treatment chlorination chemical high strength calcium based granular disinfectant having minimum 70% chlorine contents suitable for human consumption. Make:- Aqua fit / Purichlor or any other make approved by CESC, E-in-C

Sri Lakshmi Venkateswara Enterprises

TANCARE HYGIENE AND HEALTH CARE