Scope of supply in 500 LPH RO Plant:
BASIS OF DESIGN AND CAPACITY
OBJECT:
To commission a Reverse Osmosis System to recover 500 liter/Hour Plant of low
TDS.
ASSUMPTIONS:
No. Of working days : 24X7 Hrs
No. Of working hours : 10 hours per day
Capacity utilization : 91-95%
INPUTS (Raw water Quality) : Total Dissolved Solids: < 2500 PPM
OUTPUT (Treated Water Quality) : Total Dissolved Solids: 80 - 150 PPM
TECHNICAL SPECIFICATIONS
1. RAW WATER PUMP
Purpose :To feed the Dual Media Filter at pressure more than 2.0 bar, which is min.
operating pressure for filter.
Specifications a) MOC : CI
b) Type : Horizontal Centrifugal
c) Quantity: 2 No.
d) Make : Kirloskar/CRI or equivalent
2. DUAL MEDIA FILTER
Purpose: To remove the total suspended solids, dirt , iron and reduce silt density
index which can foul the membranes
Specifications Vessel :
a) Make :Aventura
b) Material of Construction: MS Rubber lining.
C) Size : 13” x 54”
f) Opening : Top
g) Quantity : 2 No.
Valve :
Multiport Valve Imported
Media :
Mixed bed sand media consisting of the following
i)
Gravel ii) Pebbles iii) Quartz Sand iv) Activated Carbon
3 DOSING SYSTEM
Purpose: To dose Antiscalant chemical & PH.
Specifications
a) MOC : PP
b) Capacity : TBD
c) Pressure : 7 Bar
d) Qty. : 1 No.
e) Make : Linq/E-Dose
4 MICRON FILTER
Purpose :To remove the fine particles up to 05 microns and reduce silt density index
levels to acceptable level.
Specifications Cartridge Filter & Housing
Housing:
a) Make: Indian
b) MOC of Housing: PP
c) Length: 20”
d) Diameter: 4”
e) Quantity: 1 no.
Cartridge:
f) Make: Filtermation, Malaysia
g) Cartridge MOC: Polypropylene
h) Length: 20””
i) Diameter: 4”
j) Quantity: 1 no.
k) Micron rating: 05 micron
5. HIGH PRESSURE PUMP
Purpose: To feed the Reverse Osmosis Membrane at pressure more than the
osmotic pressure taking into consideration flux rate, flow and recovery.
Specifications
a) MOC : Stainless Steel
b) Type : Vertical Multistage
c) Make: CRI / CNP
6. RO MEMBRANE
Purpose: To remove the major part of Bacteria’s upto 98% by Reverse Osmosis
Membranes arranged and designed to give adequate flow and recovery.
Specifications
a) Type : Spiral Wounded
b) Make of Membranes : DOW 4” x 40" or Equivalent
c) Number of membrane : 2 No.
7. RO PRESSURE
Purpose: To pack Reverse Osmosis Membranes and operate at high pressure up to
300 psi
Specifications
a) MOC :FRP
b) No. Pressure Vessels : 2
c) No. of Membrane per Vessel : 1
d) Position : Horizontal, Series
8. ELECTRICAL PANEL
Purpose :A control panel is provided as a safety measure for the pumps & other
electrical items.
Specifications
a) Complete Starters, Overload relays, and single-phase preventer for Pump.
b) Make : Aster or Equivalent
c) Incomers, Auto Switches
9. INSTRUMENTATION
Purpose
a) Flow Meter
b) Low Pressure Switch: To protect RO pump from dry running
c) High Pressure Switch: To protect RO pump from back pressure
d) Pressure Gauges: For calculate ^P for each unit in RO system
Specifications Rota Meter :
Quantity : 2 Nos.( permeate & reject line)
Range : 2.50 cu.m. per hour
Digital TDS meter :
Quantity : 1 No.(permeate line)
Range : 0 – 500 PPM
Optional Features :
Make : linq/ Equivalent
Pressure Gauges :
Quantity : 2 No.
Range : 0 – 7 bar
Dia Size : 6 inches
10.PLUMBING & FITTINGS
a) Valves, pipelines is in PVC/UPVC;
b) NRV's, pressure relief valves, wherever needed
c) The System will be on common SS base frame
11.Scope of Supply for Storage of Raw Water and Pure Water
Raw Water: 3000 Ltrs Tank
Make: Syntex
Type: Double Layer
Quantity: One
Pure Water: 2000Ltrs
Make: Syntex
Type: Triple Layer
Quantity: One
Pure Water: 1500 Ltrs
Make: Syntex
Type: Triple Layer
Quantity: One
12. Scope of work in Piping & plumbing: Complete with supply of material &
laying.
1. Raw Water (1st Floor) to RO Plant (Ground Floor)
2. RO Plant (Ground Floor) to Pure Water Tank-1 (Ground Floor)
3. Pure Water Tank-1 (Ground Floor) to Pure Water Tank-2 (1st Floor)
4. Pure Water Tank-2 (1st Floor) to Water Cooler (Ground Floor)
5. Pure Water-2 (1st Floor) to Kitchen (Ground Floor)
6. Pure Water Tank-1 (Ground Floor) to 2nd Floor (2nd Floor)
7. Water Source (1st Floor) to Raw Water Tank (1st Floor)
13. Scope of Civil Work
i. RO Plant Room Shed
a) Dimension: 10’x10’x9’ (L x B x H)
b) Lock and Key Fully Closed
c) MOC: Fiber Sheet, Iron Angles, Iron Rods
ii. RO Plant Base
a) MOC: Sand, Cement, Bricks etc.
b) Size: 8’x8’x8” (L x B x H)
iii. Raw Water Tank and Pure Water Tank 2 Base
a) MOC: Cement, Bricks, Sand etc.
b) Size: 12’ x 12’ x 8” (L x B x H)
vi. Pure Water Tank 1 Base
a) MOC: Cement, Bricks, Sand etc.
b) Size: 6’ x 6’ x 8” (L x B x H)
Note: Existing building where the RO is to be installed is single floor but vertical
extension of building is in process, after completion of expansion of building the
following changes need to be done in the project.
1. Shifting of Pure and Raw water tanks from first floor to second floor.
Terms and Conditions:
1. The project is on turnkey basis.
2. The firm has to visit the site before quoting the tender.
3. The work will be carried out as per the instruction of representative of General
Manager of IGM, Noida.
4. The firm has to provide the one year warranty inclusive of all like
consumables, filter, membrane, and preventive and break down maintenance
etc,.
5. The preventive maintenance has to done every fortnight and the break down
has to attend within 4 hours of complaint lunched through
telephone/SMS/Mail.
6. The test report of the pure water to be submitted at the time of final
acceptance from reputed laboratories.
7. Payment will be made as per actual work done after successful completion of
work.
8. The plant will be treated commissioned after 10 days successful operation
and submission of test report of treated water, which is to be get done by
supplier through an approved testing lab/agency.