REPAIR AND MAINTENANCE OF GRANULAR CHLORINE SYSTEM AND DESINFECTION OF WATER SUPPLY INCLDUING CLEANING OF UG OH RESERVOIRS AND SWIMMING POOL AT AFA HYDERABAD

Amount

Comprehensive maintenance of chemical dozing pumps installed at various locations at regular interval of 3 months including replacement of defective spare parts to keep them functional at serviceable condition and maintaining record duly signed by operator complete all as specified and as directed by Engineer-in-Charge (Locations of Pumps Installed : Pump House -02 Nos, Swimming Pool - 02 Nos, B Tank-01 No, C Tank-02 Nos, F Tank-01 No) Note:- Spare parts required shall be measured and paid separately as supply only.

Supply and refill only Calcium Hypochlorite in Granular form / dis infectant agent having zero mercury and zero heavy metal contamination property and also having high chlorine stability period upto I year complete all as specified and as directed. Note : The item should contain anti corrosive agent to prevent corrosion in the pipe lines. In this regard necessary test certificate shall have to be produced during supply of material.

Supply and refill only TCCA-90 (Trichloro Isocyanuric Acid) in white granular form for disinfectant for swimming pool of super quality contains chlorine 90% duly Packed in 50 kg sealed drum complete all as specified and as directed by Engineer -in-Charge and as approved by GE.

Supply and refill only POOL-O (concentrated Algaecide for swimming pool) complete all as specified and as directed by Engineer -in-Charge and as approved by GE.

Taking down / disconnecting the existing unserviceable Decrin dozing Pumps of models 96NGQ51 or CT411-17 or ADS-1 Dosing System at various pump houses transporting machine to the authorised workshop to carry out repair work with replacement of new spare parts and re-assembling after repair and testing up to entire satisfaction of Engineer –in-Charge, complete all as specified and as directed. Note:- Spare parts required for replacement shall be measured and paid in respective items as ‘Supply only’

Supply only following spare parts of Decrin dozing pump of Model 96NGQ51. Make : Declibac or equivalent part No in RMCO

(a). COMPLETE GEAR MOTOR PART NO. PM682CE

(b). ROTOR ASSEMBLY WITH BEARINGS BRACKETS & TOLERANCE RINGS ART NO.PMBRPL2

(c). COIL 250V 50HZ PART NO. MP6J222

(d). SINGLE HEAD FEED RATE CONTROL WITH SHAFT PART NO. FC5040D

(e). 7 PUMP HEAD (FERRULES 1/4’” & DUCKBILL INCLUDED) PART NO. UCPH7FD

(f). ROLLER ASSEMBLY (PK OF 04) PART NO. MC3ASYD

(g). 7 PUMP TUBE (PK OF 05) PART NO. MCCP207

(h). INJECTION CHECK VALVE 3/8” (PK OF 5) PART NO. MCINJ38

(j). WEIGHTED SUCTION LINE STRAINER 3/8” PART NO. ST138

(k) 3/8” WHITE SUCTION / DISCHARGE TUBING PART NO. MALT002

(l). CHECK VALVE DUCKBILL ONLY (PK OF 5) PART NO. MCCVDBO

(m) CONNECTING NUT 3/8” PART NO. MANUT00

(n). CONNECTING NUT 3/8” WITH ADAPTER (PK OF 5) PART NO. MCADPTR

(o). FERRULE ¼” (PK OF 24) PART NO. MCAK200

Supply only following spare parts of ADS-1 dozing System. Make : Declibac or equivalent part No in RMCO

(a). Complete 230V 50 HZ MOTOR PART NO. 042009A

(b). COMPLETE SHAFT WITH IMPELLER PART NO. 042009B

(c). DOSING TANK OF 100 LTR CAPACITY PART NO. 042009C

Supply only following spare parts of Decrin dozing pump of Model CT411-17. Make : Declibac or equivalent part No in RMCO

(a). TUBING (PHARMED 17 # LENGTH:11.2CM) PART NO. CT411-17-3a

(b). PUMP HEAD COVER PART NO. CT411-17-1

(c). ELECTRIC BOARD PART NO. CT411-17-13

(d). STEPPER MOTOR PART NO. CT411-17-18

CHLORINE TEST KIT (0.1 PPM TO 5.0 PPM) MAKE : AQUASOL/GOOD EDGE

O-TOLIDINE SOLUTION IN 500 ML BOTTLE (FOR CHLORINE TEST) MAKE : SD FINE /GLAXO / NICE

TOTAL HARDNESS TEST KIT MAKE : AQUASOL

IRON TEST KIT MAKE : AQUASOL

PH TEST KIT MAKE : AQUASOL

TDS METER MAKE : HM DIGITAL

Disconnecting and taking down Unserviceable CPVC pipe of any description from its existing position, including all fittings and fixing accessories complete all as specified and as directed by Engineer-in Charge.

Supply & Fixing / Laying of CPVC pipe SDR 11 with Plain CPVC SDR 11 fittings duly fixed on walls / Floors / laid in trenches complete all as specified and as directed by Engineer-in-Charge for the following sizes :-

(a) 20 mm Outer Dia

(b) 25 mm Outer Dia

Supply & Fixing in repairs of CPVC Stop Cocks (Ball Valves) complete all as specified and as directed by Engineer-in-Charge for the following sizes :-

(a) 20 mm Outer Dia CPVC pipes

(b) 25 mm Outer Dia CPVC pipes

M&L for Comprehensive maintenance and repair / servicing of chloronome plants wall / pedestral mounted (Make-AQUA Services) of following capacity including by replacing the minor connected items etc installed for water supply installations complete all as specified and as directed by Engineering-in-Charge for the following capacity :-

200 grams / hour capacity , gravity feed type Note : (i) The servicing shall be carried out once in a month. (ii) Spare parts as required shall be measured and paid seperately under respective items.

Note for item 18.01 (a) The unit rate quoted against the item includes cleaning / repairs replacement of minor items such as nuts,bolts,washers,packing materials etc. The spare parts required to be replaced for smooth operation of plant other than the spares mentoned is deemed to be included in the quoted rate.

(b) The contractor shall attend promptly defects in 24 hours of intimation from department at any time. If the defects are not rectified within 24 hours of intimation penel recovery of Rs 300/- per plant per day shall be levied from the contractor, for major repairs time required will be assessed by the Accepting Officer.

Supply & fixing in repairs of spare parts items suitable for chloronome plant of capacity 200 Grams / Hours including taking down unserviceable spare parts for the following :-

Primary filter with moisture nut and tube.

Diaphragm type SS pressure gauge.

Safety loop ('U' Bend)

Chlorine secondary filter with glass NRV

Gas bend with glass NRV

water chlorine mixing chambers

Water inlet valve 15mm dia

Water discharge valve 15mm dia

PVC fitting Tee

PVC solutioniser for 0.2 to 3 kg/Hr

Solutioniser outlet

Mixing chamber glass

PVC chlorine adjustable valve

Copper pipe with flare nuts etc

Water outlet valve 20mm dia

Water bend

Supply only caustic soda in 50 kg bags as a safety arrangement to protect chlorine cylinder on leakage.complete all as specified and as directed

Supply only white Alum Bricks for sedimentation of impurities in water complete all as specified and as directed

Supply and refill Copper Sulphate in 50 Kgs Bag complete all as specified and as directed

Cleaning of Over Head Water Tank / Under Ground Water Sump by 6 stage mechanized cleaning system, with imported machines, complete with the follwing process Preliminary Step Cleaning the surrounding area of the sump /Tank with high pressure jet to remove dirts, algaes, muds etc. Stage - 1(Mechanized Dewatering) Pumping out the water stored inside the sump / tank to a considerable level by using special type dewatering pump.

Stage - 2 (Sludge Removal) Sucking & removal of residual water and sludge, which has settled on the floor of the sump / tank, with the help of special type high power sludge pumping equipments. Stage - 3 (High Pressure Cleaning) Thoroughly cleaning of the walls / ceillings of the tank by using high pressure jet cleaners to remove the algaes / contaminants cleaning on the internal surfaces of the tank which helps the growth of microbiological contamination. Stage - 4 (Vacuum Cleaning) Removing of sludge, already deposited between rough surfaces of walls / ceilling / floor of the tank, with high power industrial vacuum cleaner machine, to make the tank absolutely sludge free,

Stage - 5 (Anti-bacterial Spray) Spraying of anti-bacterial agent to all the walls,ceilling,floor of the tank, for necessary anti-bacterial treatment, with high pressure spray machine, to make the tank totally bacteria free. Stage - 6 (Ultra Violet Radiation) Sterilisation and disinfection of the tank by using specially designed UV radiator machine to kill any suspended / floating bacteria, if any, present inside the tank. This process shall be applied on the following sumps / tanks for Ser Item No 24 to 28 of BOQ :-

R.C.C. Semi Under Ground Sump Dome type of capacity 1,75,000 Glns Near Pump house -2

R.C.C. Under Ground Sump of capacity 1,25,000 Glns Near Pump hosue -2

R.C.C. Under Ground Sump of capacity 1,00,000 Glns (2 chambers of 50,000 Glns) Near Pump house-2

R.C.C under Ground Sump of capcity 1,00,000 Glns (2 chambers of 50,000 Glns) Near Pump House-2

R.C.C. Under Ground Sump of capacity 50,000 Glns Near 14 AFH & ATC

M & L for Cleaning of underground water sumps by scrapping the internal surfaces with steel wire brushes, pumping out water below foot valve level, removing silt / debris descaling with solution and applying two coats of lime white wash internally , cleaning the internal surface of the tank to the complete satisfaction and as directed by the Engineer-in-Charge for the following capacity of sumps:-

(a) 3,50,000 Gallons (two compartments) of 175000 Gallons each (Pump House No 1)

(b) 1,00,000 Gallons (two compartments) of 50000 Gallons each (Near ATC).

Note: - Scaffolding, brushes,bleaching powder, lime etc for cleaning the internal surface and arrangements for pumping out water below wash out to be arranged by the contractor the rate quoted by the contractor shall be deemed to be included for the above and nothing shall be extra paid separately in this account

M & L for Cleaning of over head water reservoirs of 60 / 80 feet staging by scrapping the internal surfaces with steel wire brushes after removing water below drain out, silt, algae,scapping, descaling , removal of sludge etc, washing with clean water and bleaching powder @ 25 KGs / LG capacity of tank etc including applying of two coat lime white wash using 75 Kgs/LG capacity tank with internally as directed by the Engineer-in-charge, cleaning the internal surface of the tank to the complete satisfaction and as directed by the Engineer-in-charge for the following capacity of tanks :-

(a) 50,000 Gallons (Tank 'D' ,'F & 'E')

(b) 1,00,000 Gallons (Tank 'A')

(c) 1,50,000 Gallons (Tank 'B')

(d) 2,00,000 Gallons (Tank 'C')

Note: Scaffolding, brushes,bleaching powder, lime etc for cleaning the internal surface and arrangements for pumping out water below wash out to be arranged by the contractor the rate quoted by the contractor shall be deemed to be included for the above and nothing shall be paid extra in this account

M & L for cleaning of Satic water tank of 45000 ltrs capacity by scrapping the internal surfaces with steel wire brushes, after pumping out water(appx 45000Ltrs) completely by using pump set, removing silt/debris descaling with solution and removal of silt debris and applying two coats of lime white wash internally and externally above ground, and applying two coats of synthetic enamel paint to inlet pipe above ground level and man hole cover/grills/wire mesh and two coats of tar epoxy over one coat of red oxide primer to the up and down ladders, cleaning the internal surface of the tank to the complete satisfaction and as directed by the Engineer-in-charge .

Note: Scaffolding, brushes,cotton waste etc to be arranged by the contractor. And the rate quoted by the contractor shall be deemed to be included for the above and nothing shall be paid extra in this account

M & L for Painting to underground sumps on the exposed portion above ground level top and side walls with red and white synthetic enamel paint including preparing the old painted surface and applying two coat of synthethic enamal paint after preparing the surfaces with PCC patchup work make the surface even for painting and including painting with existing colour code for all connected pipe lines and control valves as directed by Engineer-in-charge complete in all respects for the sumps as mentioned below :-

(a) R.C.C. Semi Under Ground Sump Dome type of capacity 1,75,000 Glns Near Pump house -2

(b) 3,50,000 Gallons (two compartments) of 175000 Gallons each (Pump House No 1)

(c) 1,25,000 Gallons (Pump House No 2)

(d) 1,00,000 Gallons (two compartments) of 50000 Gallons each (Pump House No 2) & ATC

(e) 50,000 Gallons (14 AFH & ATC)

M & L for Cleaning the surface of walls of swimming pool i.e, swimming area and diving area (size : swimming area 50 mtr length, 21 mtr breadth, average depth up to 5.4 mtr, ) by throughly scrubbing the internal surfaces with necessary wire brushes, after pumping out water along with algae, suspended dirt particles (appx 6 LGN) completely by using pump set below the foot ball level of make up tank & removing silt/debris descaling with solution for removes efflorescence & cement residues / powerful formula and removes most oxide stains(Heavy duty tile cleaner Make: Bal Endura) cleaning the internal surface of the tank to the complete satisfaction and as directed by the Engineer-in-Charge .

M & L for Cleaning the surface of walls of swimming pool make up tank of capacity appx 10000 gallons and depth 9 mtr by throughly scrubbing the internal surfaces with necessary wire brushes, after pumping out water along with algae, suspended dirt particles completely by using pump set below the foot ball level & removing silt/debris descaling with solution etc and applying two coats of lime white wash internally and externally above ground, and applying two coats of synthetic enamel paint to inlet pipe above ground level and man hole cover/grills/wire mesh and two coats of tar epoxy over one coat of redoxide primer to the up and down ladders etc., complete all as specified and as directed by the Engineer-in-Charge

Material and labour for repairs / servicing to sweeper assembly and replacement of unserviceable parts such as wire brushes and replacing of axle with bearings including front and rear wheels etc including 2 coats of epoxy painting over a coat of epoxy primer complete all as specified and as directed.

Supply & replace the unserviceable nylon rope of size 40 mm dia good quality after removing from the suction sweeper complete all as specified and as directed by Engineer-in-Charge.

M&L for Open the filteration plant at Swimming Pool (by opening the manhole) 32,000 GPH capacity 02 Nos filter complete all as specified and as directed for the following :- .

NOTE : (a) Replacing the filter media such as sand, gravel and cleaning the gravels.Rejected gravels to be replaced with new gravels as directed by Engineer-in-Charge which will be measured and paid for separately. (b) Replacing the Unserviceable pressure gauges brass control valves including connecting pipes etc. damaged/corroded nuts bolts, arresting leakages by replacing gasket with new parts. Welding as required etc.(c) Preparing the external surface completely alongwith the piping, valves etc. apply two coats of (Ist quality) synthetic enamel paint over a coat of primer(d) Test and commission the plant all as specified and directed by Engineer - in- Charge including chemical test of filter water complete.

M&L for repairs to Alum / copper sulphate pot and replacing the connection line with reinforced PVC pipe including painting with two coats of synthetic enamel paint 1st quality over a coat of primer and the connected valve test and commissioning the unit complete all as specified and as directed by Engineer-in-Charge

Supply and lay fine sand complete all as directed by the Engineering-in-Charge

Supply and lay coarse sand complete all as directed by the Engineering-in-Charge

Supply and laying of stone aggregate in filter beds for the following sizes complete all as specified and as directed by Engineer -in-Charge

(a) 40 mm graded stone aggregate

(b) 20 mm graded stone aggregate

(c) 12.5 mm graded stone aggregate

(d) 6 mm graded stone aggregate

Supply only suction Hose 50 mm dia bore PVC heavy duty with clamps etc. complete all as specified and as directed.

M&L for Cleaning of Chlorine cylinder pit by scrapping the internal surfaces with steel wire brush removing water from pit, removal of sludge etc, washing with clean water and bleaching powder etc including applying of two coats of lime white wash internally & externally complete all as directed by the Engineer-in-Charge.

Supply and Filling of lime slurry in the chlorine cylinder pit of size appx 2 mtr x 1.5 mtr x 1.2 mtr complete all as directed by the Engineer-in-Charge.

Material and Labour for Writing letters or figures (block, Italic, Roman or Indian) on concrete surfaces not exceeding 30 cm height complete all as specified and as directed by Engineer-in-Charge.

Surface dressing in soft / loose soil not exeeding 15 cm deep, across the pipe lines and including site clearence, cutting and cleaning of branches / bushes / plants / grass obstructing the pipe lines / valves / chambers / sumps / OHTs on either sides and water supply Installation area including disposal of materials up to a distance not exceeding 50 m complete all as specified and directed by Engineer-in-Charge.

M/S AKSHATHA ENTERPRISES

Allied Constructions

Mavee Syndicate

Poonam Corporation

Haasith constructions