WBPHED/EE/BMD/NIeT- 08 OF 2021-2022/1

Amount

Preparation of design & drawing as per C.P.H & E.E.O and P.H.E guidline including fulfiment of all criteria in latest I.S code provision for all required matrials, plant, machin,e electrical acessaries etc.for the following capacity Iron removel plant (Pressure type) and submission the same duly vetted from Govt. recognised institution e.g. Jadavpur University, IIEST etc. i) Capacity: 25 cum/hr.

I) Iron removal plant (pressure type) having capacity 25 cum/Hr as per requirement with provision of fabricated shell with minimum 10 mm thick MS plate and MS media supporting plate minimum 12 mm thick including detailing of capacity and size of all acsessories i.e pipe connection, valve, gauge, other instrument, fabricated oxidation chamber, filter media, air compressor & air blower with motor starter main switch etc.( The treatment unit should capable to reduce iron content as per I.S 10500:2012 with latest ammendment. Raw water containing dissolve iron may be in the tune of 10 ppm can easily be treated in the iron removal plant. II) R.C.C. foundation considering all load and criteria i.e. seismic, wind pressure etc. as per site condition.

i) Fabrication of 25 cum/Hour capacity I.R. plant as per approved design & drawing including performing satisfactory hydraulic test of fabricated shell vessel and installation at site over R.C.C. foundation base with fitting, fixing stainer, placing filter media, all valves ( air/vent, inlet, outlet, backwash as per approved unified vendor list vide official website of WBPHED) and specials, all pipe line works underground & over ground including inlet, outlet within I.E. plant with connection to the existing rising main and also filter water main connection to the existion distribution main with all cost etc. Including fitting, fixing all accessories such as pressure gauge, manhole cover of approve make and painting with approved quality anticorrosive paint with indicating flow direction i.e. inlet, outlet, backwash etc.complete in all respect as per approved design and drawing and as per specification given in NIT with satisfaction of E.I.C.including testing on satisfactory completion of complete Iron Removal Plant(Pressure type).

ii) Fabrication and installation suitable size Oxidation chamber for 25 cum/Hour capacity I.R. plant as per approved design and drawing including performing satisfactory hydraulic test fabricated shell vessel and installation at site over R.C.C. foundation base including supply of all chemical, valve, gauge etc of approved quality with fitting, fixing all accessories as per specification given in NIT and direction of E.I.C. iii) Supplying, fitting, fixing of suitable capacity air compressure and Air blower (capacity of Air compressure and air blower should not be less than the capacity mentioned in NIT specification). with starter, main switch & all other accessories as per IS specification and specification given in NIT and as per direction of E.I.C.

iv) Power connection from existing main line to the compressor room as per I.E. ruel with supply of all materials fitting, fixing, necessary wiring connection in the air compressor as per required capacity motor, starter main switch & all other accessories complete in all respect as per specification given in NIT and direction of E.I.C.

V) Construction of R.C.C foundation for installation of IR plant, with masonry working platform surrounded to the plant for smooth operating all valves of I.R. plant & Oxidation chamber, Air compressor & Air blower, as per approved design & drawing complete in all respect as per direction of E.I.C.

vi) Construction masonry surface srain of suitable section capable for discharging the back wash water from plant to existing drain of minimum length 10.00 Mtr. And construction of suitable platfrom with minimum size 20sqm complete in all respect as per specification given in NIT and direction of E.I.C.

vii) Construction of compressor room with internal size 3.60 mtr. X 3.00 mtr. & hight 3.10 mtr. Including internal wiring and illumination. As per departmental approved type design & drawing complete in all respect & as per specification given in NIT and direction of E.I.C.

viii) Trial run for 90 (Ninety) days after successful installation and commossioning the plant complete in all respect as per direction of E.I.C.

Capacity -25Cum/Hr

Augmentation of existing 2 nos pumping machineries (supply of new pumps, withdrawal of the existing pumps and installationation & commissioning of new pumps) by changing of working head as follows:

TW I: Head= 40 MWC Discharge: 8.5 m³/Hr

TW II: Head= 38 MWC Discharge: 8.5 m³/Hr

Add: 12% GST

Add: 1% Cess

Jai Bharat Commercial Corporation

Jal Pravahika Pvt. Ltd.