OUTSOURCING OF OPERATION OF SEWAGE TREATMENT PLANT INCLUDING OTHER ALLIED WORKS AT CGRA KUNJATHBAIL UNDER AGE BR NEW MANGALORE

Amount

Outsourcing services for operation and maintenance of pumps and DG set at Sewage Treatment Plant of capacity 200 KLD at CGRA Kunjathbail for electrically operated containing the machinery of following capacity through out 2 shifts per day including sunday and holiday with one skilled operator per shift and maintaining desired level of chemicals by dosing of required quantity of chemicals provided in the system including tracing out and rectification of the minor leakage in pipe line/valves in entire network, including providing and maintaining the log sheet for pump sets and engine complete all as specified and as directed by Engineer-in- charge. Note :- (i) All chemicals required for smooth functioning of STP shall be measured and paid separately under appropriate items as mentioned below. a) Main Sewage Treatment Plant of capacity 200 KLPD at CGRA Kunjathbail with electric driven pumps of the following features. (i) Non- clogging pumps in Equilisation tank of capacity 1.49 KW -02 nos (ii) Bar screen Chamber (iii) Equilisation tank and Oil and Grease chamber (iv)Monoblock pumps -02 nos of capacity 5 HP. (v) Air blower -02 nos of capacity 10HP. (vi) Hypo dosing pump -02 nos. (vii) Filter feed pump -02 nos of capacity 3 HP. (viii) MS Dual media filter-01 nos. (ix) MS Activated Carbon Filter-01 nos. (x) Metal MBBR tank-02 nos. (xi) Metal tube settler tank-01 nos. (xii) Metal CCT-01 nos. (xiii) RCC FFT -01 nos. (xiv) DMF -01 nos. (xv) ACF -01 nos. (xvi) RCC Sludge holding tank -01 nos. (xvii) DWPE Dosing system -01 no Shift Timings Shift I : 0600 Hrs to 1400 Hrs (01) Shift II : 1400 Hrs to 2200 Hrs (01)

Note :-(i) DHPP(N) and Engine oil will be filled by the department in DG set. (ii) Prior intimation three days in advance regarding requirement of POL for the DG set shall be given by the contractor. (iii) The contractor is responsible for the proper observation and intimation about the serviceability of battery and battery charger, oil and fuel level in DG set. (iv) It is the responsibility of the contractor to rectify and make good the damage to the installations/accessories if any caused by the operator during his duty. (v) The contractor is responsible to maintain the installations and the surrounding area in a presentable manner through out the period .

Material and labour for cleaning of Oil and Grease chamber, Screening Bar and Centifuse filter press and cleaning a week for pumps and DG set at Sewage Treatment Plant of capacity 200 KLD at CGRA Kunjathbail for electrically operated containing the machinery of following capacity through out including cleaning the pumping sets,DG sets, control panel, pump house building and removal of vegetation upto 10 mtr arround the installation as and when required including providing and maintaining the log sheet for pump sets and Engine complete all as specified and as directed by Engineer-in-charge. Note :- (i) All chemicals required for smooth functioning of STP shall be measured and paid separately under relevent items as mentioned below. (ii) Cleaning of Oil and Grease chamber, Screening Bar and Centifuse filter press and removal of cake shall be carried out by one sweeper employed a week.

Material and labour for collection of dried sludge cake in a month and disposed of safly in suitable place not more than 50 KM form STP CGRA Kunjathbail complete all as specified and as directed by Engineer-in- charge.

Material and labour for collecting the waste water/effluent sample monthly from STP before and after treatment, sample handling, transporting to NABL accredited lab approved by authorities, carry out the analysis of the following latest IS method complete all as specified and as directed by Engineer-in- charge. (i)BOD (Bio chemical Oxygen Demand) (ii)COD (Chemical Oxygen Demand) (iii)TSS(Total Suspended Solids) (iv)Total dissolved solids (v)Turbidity (vii)PH

Supply only Sodium hypochloride Calcium based, high strength chlorination chemical for water disinfectant in granular or in liquid form, factory sealed 45/50 Kg HDPE container, chlorine concentration level 40-60% and delivered at STP under GE Bengdubi complete all as specified and as directed by Engineer-in- charge.(Make : Declibac /RAMCO/POTTER & WATTS Corporation or equivalent approved by GE ).

Supply only Poly Electrolyte chemical complete all as specified and as directed by Engineer-in- charge.(Make : Declibac Dac-p /RAMCO/POTTER & WATTS Corporation or equivalent approved by GE).

Material and labour for cleaning of underground sewage treated water sump 60000 litre by using pump set/bucket & mug including removing muds, silt, sand, moulds, moss, foreign materials etc. from inside and surfaces of tank , from the mouth of pipe by scrapping with steel brushes or steel scrapper and depositing in pit of depth not less than 1.5 metre to a distance not exceeding 50 metre from tank including excavation of pit and returning, filling, cleaning of tank with water and all as directed, spreading the thin layers of bleaching powder over the entire internal surface area 142 sqm, of tank internally and washing with clean water, applying one coat of lime wash to the internal surfaces and applying two coats of acrylic exterior emlusion paint over a coat odf primer to the external surfaces of sump complete all as specified and as directed by Engineer-in- charge.

Material and labour for cleaning of sewage treated water tank 12000 litre by using pump set/bucket & mug including removing muds, silt, sand, moulds, moss, foreign materials etc. from inside and suraces of tank , from the mouth of pipe by scrapping with steel brushes or steel scrapper and depositing in pit of depth not less than 1.5 metre to a distance not exceeding 50 metre from tank including excavation of pit and returning, filling, cleaning of tank with water and all as directed, spreading the thin layers of bleaching powder over the entire internal surface area 142 sqm, of tank internally and washing with clean water, applying one coat of lime wash to the internal surfaces and applying two coats of acrylic exterior emlusion paint over a coat odf primer to the external surfaces of sump complete all as specified and as directed by Engineer-in- charge.

Material and labour for dismantling of non - clogging sewage submersible pump set of 2 HP capacity including transportation to workshop for repair completely by segregating the serviceable parts for re-use and removing the defective parts and also including machine work, re-assembling the pump set making all electrical connection and commssioning, testing complete on full load to the entire satisfaction of Engineer-in- charge (Note: New spares will be measured and paid separately).

Repair only of non-cloging pump submersible type by checking and cleaning throughly and replacing the following defective parts, reassembling the same and testing including installation in position complete all as specified and as directed by Engineer-in- charge. (a) Line shaft - 01 Nos (b) Bearings - 02 Nos (c) Water seal - 01 Nos (d) Casing king key - 01 Nos (e) Gland - 02 Nos

Material and labour for two coats of MS epoxy enamelled paint over a coat of red oxide primer on inside and out side surfaces of MBBR-1, MBBR-2 of size 1.8m dia x 5m depth including preparation of old painted surfaces with sand paper when unconnected with other painting or when painted in a different tint or otherwise as described complete all as specified and as directed by Engineer-in- charge.

Material and labour for two coats of MS epoxy enamelled paint over a coat of red oxide primer on inside and out side surfaces of Tube settler of size 2.2m length x 2.0m width x 2.7m depth including preparation of old painted surfaces with sand paper when unconnected with other painting or when painted in a different tint or otherwise as described complete all as specified and as directed by Engineer-in- charge.

Material and labour for two coats of MS epoxy enamelled paint over a coat of red oxide primer on surface of Chlorine cum filter feed tank of size 3000mm dia x 2400mm 1.2 M depth inside and outside surfaces including preparation of old painted surfaces with sand paper when unconnected with other painting or when painted in a different tint or otherwise as described complete all as specified and as directed by Engineer-in- charge.

Material and labour for two coats of MS epoxy enamelled paint over a coat of red oxide primer on surface of Dual media filter of size 1000mm dia x 1500mm HOS including preparation of old painted surfaces with sand paper when unconnected with other painting or when painted in a different tint or otherwise as described complete all as specified and as directed by Engineer-in- charge.

Material and labour for two coats of MS epoxy enamelled paint over a coat of red oxide primer on surface of Activated Carbon Filter of size 1000mm dia x 1500mm HOS including preparation of old painted surfaces with sand paper when unconnected with other painting or when painted in a different tint or otherwise as described complete all as specified and as directed by Engineer-in- charge.

Taking down Hypo dosing pump and rewinding with suitable gauge of copper conductor and testing all as specified and as directed by Engineer-in- charge.

Taking down agitator and rewinding with suitable gauge of copper conductor and testing testing all as specified and as directed by Engineer-in- charge.

Taking down filter feed pump of capacity 3 HP and rewinding with suitable gauge of copper conductor and testing all as specified and as directed by Engineer-in- charge.

Dismantling the electrical connection from motor and taking out the burnt 5 HP motor from beds and transporting to civil work shop, opening the motor and removing the burnt/old defective winding carefully cleaning the inner parts, rewinding the motor with same gauge supper enamelled copper wire of good insulation, varnishing, heating/drying and reassembling the motor and transporting to site, refixing on the existing beds, connecting the electrical connection, testing and commissioning complete all as specified and as directed by Engineer-in- charge.

Opening and servicing/overhauling the monoblock pump and motor 5 HP and replacing the defective bearing, greasing replacing the burnout gland rope, studs, nuts, bolts, washers ,air releasing valve ,rubber gasket , metal filling, turing/ grinding and balancing the shaft etc. varnishing the winding, drying and refixing the same all as directed at site.

Disconnection of electrical connection and dismentling of 3 HP monoblock from secondary clarifier mechanism, removing worn out winding wire from stator slots, rewinding with super enameled copper wire of suitable gauge with proper insulation replacementof front and rear bearing, assembling and reconnection electrical connection the same as existing and testing complete.

Supply and fixing in repair the following spares for dosing pumps at various including taking down of unservicable spares of model V-12:

(a) Varistor assy

(b) Fuse

(c) Ring seal teflon

(d) EPU Coil with thermostate

(e) EPU Coil with thermostate

(f) Pump panel box assy

(g) 3/16 " x 3/4" pan head screw

(h) Pulser with varistor

Supply and fixing in repair the following spares for dosing pumps at various including taking down of unservicable spares of model V-13

(a) Clapper with shaft

(b) Liquifarm (Diaphragm)

(c) Circlip for EPU

(d) EPU Spring with cap

(e) EPU Assy

Taking down air blower of capacity 500 CuM/hrs, RPM 1700, BHP 17.4 from the existing position after disconnecting all electrical connection and transportation to workshop for repair for un-serviceable parts complete and removing the defective parts, repair the air blower throughly including machine work and re-assembling the air blower after hundred percent satisfaction and commssioning testing complete on full load to the entire satisfaction of Engr-in-charge (new spares will be measured and paid separately).

Supply and fixing in repair 10 HP air blower belt of seawage treatment plant complete all as specified and as directed.

Supply and fixing in repair 15 KVA DG set belt of seawage treatment plant complete all as specified and as directed.

Supply and fixing in repair the following spares for filter feed pumps of capacity 3 HP at various incl taking down filter feed pumps as directed by Engineer-in charge.

(a) Pump impeller

(b) Pump line shaft

(c) Ball bearing. Make :- SKF or equivalent.

(d) Pump water seal

(e) Gland.

Supply and fixing in repair the following spares for filter feed pumps of capacity 5 HP at various incl taking down filter feed pumps as directed by Engineer-in charge.

(a) Pump impeller

(b) Pump line shaft

(c) Pump ball bearing. Make :- SKF or equivalent.

(d) Pump water seal

(e) Pump Gland.

Dismantling of diffusers from diffuser grid assembly of aeration tank and replacement of fine bubble type diffusers dia 25x380mm made of EPDM rubber extruded, diffuser frame fastner etc. all as specified and as directed.

Supply, laying and testing flat submersible cable PVC insulated and sheathed copper conductor cable of 1100 Volts grade of size 6 Sqmm 3 core including taking down old material complete all as specified and as directed.

Material and labour for cleaning the following raw sewage collection RCC sump of size 5.6m x 4.1m x 2.0m once in 11 months : (a) Dewatering the sump with portable submersible pump (b) Removal of left over dirty water and sludge with a special sludge removal pump (c) Removal of remaining sludge from the floor with the help of industrial vacuum Cleaner (d)Spraying of Non-toxic, bio-degradable, eco-friendly anti-bacterial agent, to disinfect the tank from all harmful pathogens.

Material and labour for cleaning of internal wall of MS Activated carbon filter and MS Dual media filter of size 1000mm dia and 1500mm height for removing the filter media by brushing with nylon brush and using bleaching powder and cleaning of existing pipe holes after refilling of new filter media complete all as directed by Engineer-in- charge.

Supply and laying filter media pebbles of size 5mm and 3mm in filter beds including taking out defective pebbles complete all as specified and as directed by Engineer-in- charge.

Supply and laying filter media coarse gravel/fine gravel in filter beds including taking out defective coarse gravel complete all as specified and as directed by Engineer-in- charge.

Supply and laying filter media fine sand in filter beds including taking out defective fine sand complete all as specified and as directed by Engineer-in- charge.

Supply and laying carbon filter media IV 800 to 1000 (iodine value) for two nos filter including taking out defective carbon media complete all as specified and as directed.

Supply and fixing Centric Butterfly valves wafer type PN 1.0 as per BS-5155 &IS-13095 lever operated body grey cast iron disc -SGI Epoxy coated Disc seal-Nitrile/Epdm 250 &300 mm in Gear operated of size 65mm bore including all fittings confirming to IS specification complete all as specified and as directed by Engineer-in- charge.

Supply and fixing Centric Butterfly valves wafer type PN 1.0 as per BS-5155 &IS-13095 lever operated body grey cast iron disc -SGI Epoxy coated Disc seal-Nitrile/Epdm 250 &300 mm in Gear operated of size 50mm bore including all fittings confirming to IS specification complete all as specified and as directed by Engineer-in- charge.

Schedule of Credit (Minus) Rs. 5200.00 NOTE: Bidder shall insert credit amount of Rs. 5200.00 as rate in Green field under Col-13.

Shetty Construction Co

M/s Royalance Corporation

Neptune Engineers and Builders