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:

  1. Transfer pump
  2. Piping
  3. Reaction Tank
  4. Primary Clarifier
  5. Biological Treatment
  6. Secondary Clarifier
  7. Filter Press
  8. 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