MECHANICAL CLEANING AND STERILIZATION OF OVERHEAD RESERVOIR AND UNDERGROUND SUMP UNDER AGE E/M NO-II OF GE (UTILITY) SECUNDERABAD

Amount

M&L for seven stage cleaning and sterilization inside the existing RCC overhead tank of capacity 250000 gallon through bacteriological treatment by using TERBAC G10, TERBAC G5,TERBAC G65 /E-in-C's Branch approved chemical as recommended by Engineer- in-Charge and ULTRA VIOLET RAY at Pump House at any height (as per site requirement), including suitable staging/scaffolding. Seven stage are as under follows:- (a) First stage is to drain out the water by using high capacity pump of dewatering system. (b) Second stage is cleaning all the algae formation inside the tank by using TERBAC G10 a laboratory tested branded chemical / E-in-C's Branch approved chemical as recommended by Engineer-in-Charge. (c) Third stage is scrubbing the walls and floor with mechanized scrubber & fresh water clening by high speed jet pump (rotary & flat) to remove all scaling, algae and other formed particles on internal surfaces of the tank completely. (d) Fourth stage and first bacteria screening is Sterilization by using TERBAC-G5 a Laboratory certified branded halogen compound /E-in-C's Branch approved chemical as recommended by Engineer-in-Charge., Test certificate of chemical from government laboratory mentioning suitability for sterilization should be submitted to the office before using for sterilization . (e) Fifth stage is cleaning the floor of the water tank by heavy duty industrial vacuum cleaner and sludge sucker having maximum 1200 W with suitable heavy duty rugged motor to free any foreign and loose particles of any nature.

(f) Sixth stage is the second bacteria screening and sterilizing method by using ultraviolet ray by heavy duty UV radiation which shall have 360 degree of sterilization with in the tank to kill all suspended bacteria (The radiation shall portable and effective for sterilization of drinking water tanks for dimination of floating and suspended bacteria.) (g) Seventh stage of cleaning and third bacteria screening is to sterilize the floor, Roof and wall of the water tank by using laboratory ceritfied branded strong oxidizing agernt TERBAC 65 of M/S Ray's clean tech or equivalent any non toxic bio-degradable eco-friendly anti-bacterial agent certified by a Govt. approved laboratory to disinfect the over head tank from all harmful pathogens. (h) Cleaning of external and internal surfaces, lid wall of the tank, structure for all scales and other particles any algae, hives and any type of vegetation or any other unwanted matters, scrapping of old paint and painting with two coats of cement based water proof apex paint complete all as directed. (j) A sticker of appropriate size and colour as directed by Engr-in-Charge and of non degradable material with printed details as under:- (i) CA No. (ii) Name of Applicant (iii) Name of the Contractor (iv) Columns for date of cleaning and expiry date will be written or printed on the sticker by permanent marking ink. (k) Painting of angle iron ladder for OHT after scrapping of old paint by emery paper or any other means with two coat of enamelled black paint over a coat of red oxide primer including arrangement of scrap folding/ bamboo structure required for entire work. Note: (i) All required safety equipments (Gumboot, helmets,safety belts,Safety googles, torch light etc) and necessary insurance for safety of working staff to execute the work is responsibility of the contractor. (ii) Lighting arrangements if required to be provided by the contractor temporarily at his own arrangements and the amount quoted for that is deemed to be inclusive in the unit rate and electricity/diesel shall not be provided by the MES. (iii) Contractor will not be allowed more than one day to do the work inside of the each OH Tank / UG Sump to prevent interruption of water supply to the users.

All as per item no 1 above but the capacity of the tank is 150000 gallon

All as per item no 1 above but the capacity of the tank is 100000 gallon

All as per item no 1 above but the capacity of the tank is 50000 gallon

All as per item no 1 above but the capacity of the tank is 25000 gallon

All as per item no 1 above but the capacity of the tank is 400000 gallon at High Level Water tank

M&L for seven stage cleaning and sterilization inside the existing RCC Semi undergtround sump of capacity 1000000 gallon (10 LG) through bacteriological treatment by using TERBAC G10, TERBAC G5,TERBAC G65 /E-in-C's Branch approved chemical as recommended by Engineer- in-Charge and ULTRA VIOLET RAY at various Pump Housees including necessary arrangement (as per site requirement). Seven stage are as under follows:- (a) First stage is to drain out the water by using high capacity pump of dewatering system. (b) Second stage is cleaning all the algae formation inside the tank by using TERBAC G10 a laboratory tested branded chemical / E-in-C's Branch approved chemical as recommended by Engineer-in-Charge. (c) Third stage is scrubbing the walls and floor with mechanized scrubber & fresh water clening by high speed jet pump (rotary & flat) to remove all scaling, algae and other formed particles on internal surfaces of the tank completely. (d) Fourth stage and first bacteria screening is Sterilization by using TERBAC-G5 a Laboratory certified branded halogen compound /E-in-C's Branch approved chemical as recommended by Engineer-in-Charge. Test certificate of chemical from government laboratory mentioning suitability for sterilization should be submitted to the office before using for sterilization . (e) Fifth stage is cleaning the floor of the water tank by heavy duty industrial vacuum cleaner and ludge sucker having maximum 1200 W with suitable heavy duty rugged motor to free any foreign and loose particles of any nature.

(f) Sixth stage is the second bacteria screening and sterilizing method by using ultraviolet ray by heavy duty UV radiation which shall have 360 degree of sterilization with in the tank to kill all suspended bacteria (The radiation shall portable and effective for sterilization of drinking water tanks for dimination of floating and suspended bacteria.) (g) Seventh stage of cleaning and third bacteria screening is to sterilize the floor, Roof and wall of the water tank by using laboratory ceritfied branded strong oxidizing agernt TERBAC 65 of M/S Ray's clean tech or equivalent any non toxic bio-degradable eco-friendly anti-bacterial agent certified by a Govt. approved laboratory to disinfect the over head tank from all harmful pathogens. (h) Cleaning of external surfaces, lid wall of the tank, structure for all scales and other particles any algae, hives and any type of vegetation or any other unwanted matters, complete all as directed. (j) A sticker of appropriate size and colour as directed by Engr-in-Charge and of non degradable material with printed details as under:- (i) CA No. (ii) Name of Applicant (iii) Name of the Contractor (iv) Columns for date of cleaning and expiry date will be written or printed on the sticker by permanent marking ink. (k) Painting of angle iron ladder for UG sump after scrapping of old paint by emery paper or any other means with two coat of enamelled black paint over a coat of red oxide primer including arrangement of scrap folding/ bamboo structure required for entire work. (l) Painting of any type of pipe in side / outside the tank with suitable colour coding. Note: (i) All required safety equipments (Gumboot, helmets, safety belts, safety googles, torch light etc) and necessary insurance for safety of working staff to execute the work is responsibility of the contractor. (ii) Lighting arrangements if required to be provided by the contractor temporarily at his own arrangements and the amount quoted for that is deemed to be inclusive in the unit rate and electricity/diesel shall not be provided by the MES. (iii) Contractor will not be allowed more than one day to do the work inside of the each OH Tank / UG Sump to prevent interruption of water supply to the users.

All as per item no 7 above but the capacity of the tank is 500000 gallon (5 LG)

All as per item no 7 above but the capacity of the tank is 200000 gallon (2 LG)

All as per item no 7 above but the capacity of the tank is 50000 gallon

All as per item no 7 above but the capacity of the tank is 25000 gallon

All as per item no 7 above but the capacity of the tank is 10000 gallon

M&L for new ladder & taking down existing unserviceable ladder at OHT and underground sump as per existing specification with Cross-arms, Bracings, Supports, Clamps and Back Plates fabricated from Structural Steel Sections including Nuts, Bolts, Washer, welding, bending cold or hot, drilling holes for Bolts, in any shape or size as indicated or directed and inclusive of One Coat of Aluminium Primer, One Under Coat and One Finishing Coat of Aluminium Paint, for complete all as specified and as directed.

M&L for painting of raising main, distribution, wash out and overflow pipes on over head tank with suitable colour coding of pipe dia 100 mm by using synthetic enamelled paint first grade after scrapping /cleaning

M&L for painting of raising main, distribution, wash out and overflow pipes on over head tank with suitable colour coding of pipe dia 100 mm by using synthetic enamelled paint first grade after scrapping /cleaning

M&L for painting of raising main, distribution, wash out and overflow pipes on over head tank with suitable colour coding of pipe dia 100 mm by using synthetic enamelled paint first grade after scrapping /cleaning

M&L for painting of raising main, distribution, wash out, pumping /delivery and overflow pipes on underground sump with suitable colour coding of pipe dia 100 mm by using synthetic enamelled paint first grade after scrapping /cleaning

M&L for painting of raising main, distribution, wash out, pumping /delivery and overflow pipes on underground sump with suitable colour coding of pipe dia 150 mm by using synthetic enamelled paint first grade after scrapping /cleaning

M&L for painting of raising main, distribution, wash out, pumping /delivery and overflow pipes on underground sump with suitable colour coding of pipe dia 200 mm by using synthetic enamelled paint first grade after scrapping /cleaning

M&L for replacement of existing water level indicator in OHT of any size , capacity and height by by Float and board types levelGuage using rope, ball valve, pully, necessary support , PCC ,display board ,indicator/pointer , necessary painting and numbering complete all as required for proper functioning of level indicator complete all as specified and directed. (All area undeb AGE E/M -II)

M&L for replacement of existing water level indicator in UG Sump of any size , capacity and height by by Float and board types levelGuage using rope, ball valve, pully, necessary support , PCC ,display board ,indicator/pointer , necessary painting and numbering complete all as required for proper functioning of level indicator complete all as specified and directed.( Race course PH, Gough Line PH and GRPH)

M&L for painting of water distribution header including all control valves and all exposed pipe of any size by using synthetic enamelled spray painting after scrapping /cleaning complete all as directed at race course PH

M&L for painting of water distribution header including all control valves and all exposed pipe of any size by using synthetic enamelled spray painting after scrapping /cleaning complete all as directed at GRPH

M&L for painting of water distribution header including all control valves and exposed pipe by using synthetic enamelled spray painting complete all as directed at Murcury PH/RMC PH

S&F Sign Board of size 2.5 feet x 3.5 feet Mild Steel Plain black sheet 2.0 mm thick in cladding,sign board incl round headed screws, clout nails or riveted and fixed to steel framing with plain 40 mm lap joints with riveted or welded seams, incl binding or turnining up, mitred angles etc as required including 2 nos leg / post of 40 mm dia medium grade of length 1.5 Meter including writing of PH/ substation name and no and capacity of trandformer /pump motor /pump house etc as directed by Engr-in-Charge complete all as specified and directed. Note: Quoted rates inclusive of of necessary excavation and PCC required for fixing of post of Sign Board and painting .

S&F, connecting and testing in repair of Cast Iron foot Valves flanged ends/screw end ( to be fitted as per ground requirement ) swing type operation with rubber seat as per IS : 4038 single disc with all standard accessories and tested including replacement of nuts, bolts, washers, gaskets, packings etc complete all as specified and directed of following sizes :-

50 mm Dia

80 mm Dia

100 mm Dia

150 mm Dia

200 mm Dia

Supply only calcium Hypochlorite having 60%-70% available chlorine content in granular from (calcium based granular disinfectant) for water treatment (Drinking water and swimming pool) packed in 45 Kgs/50 kgs each drum complete all as specified and as directed. Make : M/S SHREE RAYALASEEMA Hi STRENGTH HIYPO LTD (PURI CHLOR), ALTOC-GP of M/s DECLIBAC TECH PVT LTD, POTTER AND WATTS.

Supply only Tri chloro isocyanuric acid (TCCA-90) in white granular form for disinfectant for swimming pool of supar quality contains chlorine 90 % duly packed in 45/50 kg drum 100% solvable in water, having molecular weight 23.44 and appearance in white PH value 1% solution - 2.7 to 3.3 and moisture level 0.5% complete all as specified and directed.

Supply only Non ferric non amonia pure aluminum sulphate solid (Alum ) grade II superior quality suitable for destabilized the mud perticles suspended in water in the form of solid lumps. Complete all as specified and as directed. Make : Bangal Chemical or any ISI markde make or any make approved by Ein-C's Branch

Supply only Bleaching powder Grade-I, IS 1065:1989(used in drinking water), stable dry free flowing white in appearance without hard lumps and visible impurities in laminated high density polythene bags of 25 Kgs capacityof each bags. Make : ADITYA BIRLA CHEMICALS LTD (DC) /RAMCO/GRASIM/DCM

Supply only soda ash suitable for swimming pool used to reduced the hardness of water confirming to IS complete all as specified and directed.

Supply only copper sulphate crystal, ISI marked to maintain the H2O standards complete all as specified and directed. Notes for item No 27 to 32 :- (i) Contractor shall supply material as per monthly requirement basis in bags/containers as and when directed by Engr-in-Charge at various installation of AGE E/M No-II. (ii) The quoted rate is deemed to be inclusive of complete labour and transportation for the materials at various installations of AGE E/M No II with out any extra cost.

Supply and fixing of anodised aluminium frame and aluminium grill for ventilators / Vent Cowl of RCC OHT ( Average height 30 m ) , partitions etc with one or more rebates including joining cleat for fixing etc including cleats and rubber gaskets complete all as required for fixing as specified and directed in cluding dismentling old one. Note: Quoted rated inclusive of all arrangements required for fixing of Aluminium frame incliding necessary gusket , necessary scaffolding as required for fixing of the frame

Supply and fixing of anodised aluminium frame and aluminium grill for ventilators / Vent Cowl of OG Sump ( Average height 3 m ) , partitions etc with one or more rebates including joining cleat for fixing etc including cleats and rubber gaskets complete all as required for fixing as specified and directed in cluding dismentling old one. Note: Quoted rated inclusive of all arrangements required for fixing of Aluminium frame incliding necessary gusket , necessary scaffolding as required for fixing of the frame

M&L for Wire netting of stainless steel wire 1.4mm dia fixed with tinned tacks of staples size of the mesh 20 mm complete al as required for fixing at Aliminium frame complete all as specified and directed including dismantling old one.

Srinivasa Consructions

sree venkateswara enterprises

Haasith constructions

Srinivash Engineers

STANDARD AGENCIES