Cleaning of overhead reservoir, chlorination of water and maintenance of chemical dozing pumps at old cantt Allahabad.

Amount

Material & Labour for cleaning of over head tanks of staging 19M hight, capacity 1 Lakh gallon in Old Cantt, Allahabad including writing of date of cleaning on over head tank on pillar of suitable size with synthetic enamel paint, including painting with one coat synthetic enamel paint after cleaning of steel surface and pipes with existing shade and apply one coat of cement base paint on walls, pillars, complete dome and ceiling of RCC OH tank on external surface after brooming / scraping down of old surface with preparation of surface with writing of date of cleaning, capacity of tank with paint after painting of tank with suitable size letter, with & including replacement of wire net / mesh of stainless steel wire 1.4 mm dia fixed with tacks of ventilation of tank as directed by Engineer-in-Charge comprising of pre operations mentioned below:- (a) In the first step dewatering of the tank shall be carried out by opening drain out valve (b) In the second step, removal of left over dirty water and sludge with suitable sludge removal pump shall be carried out. (c) In the third step, cleaning of internal walls, floors, ceiling of tank shall be carried out by high jet pressure of machine of water shall not be less than 80-120 bar and ensured that no dirt,sludge or moss remain on surface of tank. (d) In the fourth step,the remaining sludge shall be removed from the floor with the help of industrial vaccum cleaner.

Contd/... (e) In the fifth step, tank shall be sterilized by spraying anti bacterial agent using same high pressure machine. This agent should be of agent tank cleaning or equivalent as approved by GE. Dose of this agent must be as per OCED guidelines 423 adopted on 17 Dec 2001 (i.e. 1 litre of concentrated agent mixed with 40 ltrs water to produce mixture 1 litre of this mixture shall be used to disinfect 10000 ltrs capacity tanks and higher capacity tanks in position.) (f) In the last step, treatment of inside of tank by exploring UV radiation to kill further suspended or floating bacteria. This is to be done by glowing UV lamp inside tank as per NSF standard 55-1991 (i.e. 16000 µW-sec/Cm² or in other words 3-5 minutes according to capacity of tank) Note :- (i) The work should be got executed through reputed specilized water tank cleaner and shall be approved by GE before commecement of work. (ii) After completion of work a certificate regarding bacteria free shall be submitted to Deptt by the contractor for satisfaction of Engineer-in-Charge duly signed. (iii) Coloured photographic evidence of stage wise cleanig of OHT shall be submitted in duplicate to the Deptt. (iv) Date of cleaning and capacity of tank will be written on OHT with paint with letters or figures (Block, Roman) 5cm high complete all as directed. (vi) The cost for above requirement is deemed to be included in the unit quated rates and no extra payment shall be made on this account & not any claim entertained at later stage on this purpose. [Location Pump House Nos. 1 (Tank No.1), 2 & 3]

Same as per item No. 01 but capacity 75000 Gallon (Location Pump House No. 12).

Same as per item No. 01 but capacity 60000 Gallon [Location Pump House Nos.1 (Tank No. 2), 4 & 5]

Same as per item No. 01 but capacity 50000 Gallon [Location Pump House Nos.8 (Tank No. 1 & 2), 11 & 14)]

Same as per item No. 01 but capacity 20000 Gallon (Location Pump House Nos.9, 10 & 13)

Comprehensive maintenace of granular chlorination plant including Decrin dozing pump, model No. 96NGQ51 with high pressure single head motored adjustable dozing pump type agitator pump, dozing system complete including replacement of all unserviceable worn out spare parts required for smooth functioning of plant (to be measured and paid separately) including testing of plant for satisfactory water tests on each month basis complete all as specified & directed by Engineer-in-Charge in following locations at Old Cantt, Allahabad:- 1. Installation at Pump House No.01 near EME Bn 2. Installation at Pump House No.02 near Abdul Hamid Gate 3. Installation at Pump House No.03 near Gun House 4. Installation at Pump House No.04 near PAC line 5. Installation at Pump House No.05 near Pawan Vihar 6. Installation at Pump House No.09 near CG line 7. Installation at Pump House No.10 near NC line 8. Installation at Pump House No.13 at Triveni Vihar 9. Installation at Pump House No.14 at Div Camp near MT

Comprehensive maintenance of liquid chloronome plant of capacity 6-12 litre per hour, pulsar dia phragm type with high pressure dosing system i.e. vacuum operated pressure feed type / gravity feed type or any type or any make or any capacity including replacement of all unserviceable / worn out spare parts including testing of plant for satisfactory water test complete all as spacified & directed by Engineer-in-charge in following locations at Old Cant Allahabad. 1. Installation at Pump House No.08 near Engineer Regt 2. Installation at Pump House No.11 near BTC Area 3. Installation at Pump House No.12 at Prayag Vihar NOTES :- for item No. 06 & 07 (i) Contractor shall carryout chlorine test at all installation daily and maintain chlorine test report & submit to Engineer-in-Charge all as spacified & directed by Engineer-in-charge. The unit quoted rate shall be deemed to include all the necessary test equipment/kit and charges for testing. (ii) A bound maintenance register has to be maintained by the contractor indicating the spares replaced and to be signed by Engineer-in-Charge. (iii) In case contractor does not maintain the installation a penality of Rs. 1000.00 per day per installation will be recovered from contractor's.

Supply only Regulating / dosing valve suitable for liquid chlorine plant . Make: AVON / AQUAS / Pearls

Supply only washer for liquid chloronome plant .

Supply only ball bearing for liquid chloronome plant .

Supply only High density dosing pipe for liquid chloronome plant .

Supply only tube connector for liquid chloronome plant .

Supply only foot valve for liquid chloronome plant .

Supply only suction valve for liquid chloronome plant .

Supply only slow cab for liquid chloronome plant .

Supply only discharge valve for liquid chloronome plant .

Supply only rotor assembly with bearings brackets & tolerance rings for decrin dozing pump model No. 96NGQ51 with ALTOCH dozing system complete as approved by GE.

Supply only Roller assembly (PK - 4) for decrin dozing pump model No. 96NGQ51 with ALTOCH dozing system complete as approved by GE.

Supply only Pump tube (PK - 5) for decrin dozing pump model No. 96NGQ51 with ALTOCH dozing system complete all as approved by GE.

Supply only Injection check valve 3/8" (PK - 5) for decrin dozing pump model No. 96NGQ51 with ALTOCH dozing system complete as approved by GE.

Supply only Weight suction line strainer 3/8" for decrin dozing pump model No. 96NGQ51 with ALTOCH dozing system complete as approved by GE.

Supply only 3/8" white suction Discharge Tubing for decrin dozing pump model No. 96NGQ51 with ALTOCH dozing system complete as approved by GE.

Supply only check valve Duckbill (PK - 5) for decrin dozing pump model No. 96NGQ51 with ALTOCH dozing system complete as approved by GE.

Supply only connecting nuts 3/8 inch for decrin dozing pump model No. 96NGQ51 with ALTOCH dozing system complete as approved by GE. NOTE FOR SL No. 08 to 24 :- Spare parts shall be approved as per existing make of approved make as approved by GE.

Material & Labour galvanised steel water tubes "medium grade" with all fittings laid on wall or in floor 20mm bore including taking down old / un-serviceable pipe complete all as specified & directed.

Material & Labour 15 mm bore gun metal globe or gate valve, with iron wheel head (ISI marked), screwed both ends, suitable for 15mm bore pipe including taking down old / un-serviceable valve any type complete all as specified & directed.

Material & Labour 20 mm bore gun metal globe or gate valve, with iron wheel head (ISI marked), screwed both ends, suitable for 20mm bore pipe including taking down old / un-serviceable valve any type complete all as specified & directed.

Supply & Fixing pre delivery chlorination tank (PDC) linear low density poly ethyline (LLDPE) dia 480 mm, height 575mm food grade as approved of capacity 100 litre for pouring chlorination chemical and water including provsion of mounting of motor and dosing pump, wall level gauge including taking down of old existing tank any type complete all as directed by Engineering-in-Charge.

Supply & Fixing high pressure single headed, self prime, gear motorised adjustable chemical dozing pump of capacity 10 Kg/Sq Cm 1440 RPM, 5 HP dozing rate upto 25 ltr per hour. Electric operated three phase 425 volt AC 50 HZ electric supply with accessories including lead tubing, connecting, nuts, injection valves, ferruls including electric connection with suitable size PVC insulated copper conductor cable in and including PVC conduit surface type fixed on wall and water connection with suitable pipe line of GI / chemical resistant PVC including taking down old unservicable dozing pump complete all as specified & directed. Make of pump : Sathya Sai Aqua pura services or M/s Bharti Waters Pvt Ltd or Potor & watt Corp as approved by GE.

Scrapping of old painted steel surfaces from the existing ladder of 18 mtr stagging by means of sand or emery paper and applying two coats of synthetic enamelled paint over one coat or red oxide primer complete all as specified & directed.

Supply only calcium hypochlorite 65% to 70 % chlorine contents in granual form (Calcium based granual disinfectant for water treatment (drinking water) much more stable than chlorine gas and stronger than bleaching powder and sodium hypochlorite) packed in 45Kg drum of Make : Purichlor / ALTOCH-CH / Potter & Watts Corporation.

Supply only ordinary refined Iodised salt for operation of electro chlorinator in sealed packing of 1Kg each of Make : Tata / Nirma / Captain cook.

Supply only chlorine test kit with coloured sample, testing tube OT solution with rexene finish box complete as directed. Make: T&C/ Purichlor / Aquapura

Supply only OT solution for testing of water sample complete all as specified & directed. Make: T&C/ Purichlor/ Aquapura

Dismantling of unserviceable SMPS (Switch Mode Power Supply) from LT panel by disconnecting all electrical connection and supply & fixing new SMPS system suitable for Input voltage 100-120Volt AC supply at 17.5Amp and 200-240 AC at 10A, 50 HZ and output at +12Volt at 83.3Amp. Model No. SE -1000-12 of Make : Mean well enterprises Co. Ltd or equivalent make as suitable for above supply complete all as specified & directed.

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