SECTION 1 – GENERAL SPECIFICATION
1.1 SYSTEM OUTLINE
This specification covers the requirements for extension of existing waste water treatment plant to increase its capacity to 120 m3/d.
Following list are the major modification which are needed:
- Transfer pump
- Piping
- Reaction Tank
- Primary Clarifier
- Biological Treatment
- Secondary Clarifier
- Filter Press
- Blower
The system has efficiency of chemical parameters 98 %, organic 50 %, Suspended Solid 95 % and Physic (TDS) -100% (before RO) and 97 % (After RO)
SECTION 2 – DESIGN BASIS
FEED WATER CONDITION
Flow 120 m3/d
Source Production Plating
INFFLUENT WATER QUALITY
As per water analysis, with Amonia level in the inlet Biological maximum 150 ppm.
2.3 EFFLUENT WATER QUALITY
SK Gub DKI No 582/1995
SECTION 3 – EQUIPMENT MODIFICATION
3.1 CONCENTRATED TANK (EXISTING)
Volume 7 M3
Complete with Pipes, Fittings, and Valves
3.2 TRANSFER PUMP
Quantity 1 sets
Type Submersible
Make Showfou SS
Flowrate 500 liters/hr
Head 6 m
3.3 EQUALIZATION TANK (EXISTING)
Volume 10 M3
Complete with Pipes, Fittings, and Valves
Retention time > 1.5 hours
3.4 TRANSFER FEED PUMP
Quantity 2 sets
Type Submersible
Make Showfou SS
Flowrate 5 m³/hr
Head 8 m
3.5 pH ADJUSTMENT TANK
Quantity 1 units
Volume 1.25 m3
Retention time 15 minutes
Material CS with FRP Coating
Complete with Agitator and pH control
3.6 COAGULATION TANK
Quantity 1 units
Volume 1.25 m3
Retention time 15 minutes
Material CS with FRP Coating
Complete with Agitator
3.7 FLOCULATION TANK
Quantity 1 units
Volume 450 ltrs
Retention time 5 minutes
Material CS with FRP Coating
Complete with Agitator
3.8 LAMELLA CLARIFIER
Capacity 5 M3/Hr
Material of tank CS with Epoxy Coating
Material of Plates PVC / PP
Operation Semi auto
3.9 DE NITRIFICATION TANK – ANOXIC SYSTEM
Quantity 1 set
Material concrete
Volume 78 m³
Complete with agitator
3.10 NITRIFICATION TANK – MBBR (MOVING BED BIO FILM REACTOR)
Quantity 1 set
Material concrete
Volume 10 m³
Complete with diffuser, packing
3.11 ROOT BLOWER
Quantity 2 unit
Capacity 300 m3/hr
3.12 SECONDARY CLARIFIER
Capacity 5 M3/Hr
Material of tank concrete/CS
Material of filler PVC or FRP
Operation Semi Auto
3.13 FILTER FEED PUMP (EXISTING)
Quantity 2 sets
Make MC
Flowrate 5 m3/hr
Head 35 m
3.14 SAND FILTER TANK
Quantity 1 set
Operation Manual
Capacity 5 m3/h
Material FRP
Media type Silica Sand
3.15 ACTIVATED CARBON FILTER TANK (EXISTING)
Quantity 2 sets
Operation Manual
Capacity 5 m3/h
Material FRP
Media type Activated Carbon
3.16 ZEOLIT FILTER TANK (EXISTING)
Quantity 2 sets
Operation Manual
Capacity 5 m3/h
Material FRP
Media type Zeolite
3.17 BACKWASH PUMP (EXISTING)
Quantity 3 sets
Make MC / Grundfos
Flowrate 3 – 5 m3/hr
Head 24 – 35 m
3.18 FILTERED WATER TANK (EXISTING)
Volume 5 M3
Complete with Pipes, Fittings, and Valves
3.19 FILTER PRESS FEED PUMP
Qty 1 Unit
Type Progressive cavity
Capacity 1 m3/hr
Discharge head 4 bar
MOC rotor SS316
MOC stator Neoprene rubber
Brand Wilden or equal
3.20 FILTER PRESS
Quantity 1 unit
Type Plate and frame
Capacity 55 litre per cycle
Operating pressure 4 – 10 bar
Brand Local
3.21 CONTROL PANEL AND ELECTRICAL WIRING
Quantity 1 no
Type Indoor
Access Front
Material Mild steel with oven baked epoxy finish
Supply voltage 380V/50Hz/3ph/4 wire
The control panel shall comprise of following
- One (1) no main circuit breaker with indicating light
- One (1) lot motor starter, each consist of isolating switch, contactor, thermal overload relay, selector switch, and indicating lamps
