5. Type of treatment
Primary treatment
Secondary
Aerobic
Anaerobic
Anoxic
Tertiary
6. Projects
Drinking Water Treatment Projects
Jackwell, pipeline and ESR construction for water supply
Water supply Networking
Sewage Treatment Plants
UGD for cities
Industrial Effluent Treatment projects
CETP
Operation and Maintenance
7. Tender
Prepare tender document by reputed consultants
Government Bodies call for tenders
Specify Requirements
Floats tender via various Media
Calls for bidding
8.
9. Tender Contents
Important Dates
Scope of work
PRQ
Pre-bid Details
Technical Details
Financial details (project Estimated cost)
Bidding process
Cost Breakups
10.
11.
12.
13. Working
Process Design (units its sizing and Process flow drawing)
Civil Estimation ( Quantities)
Mechanical Estimation ( Equipment's, Pipes, Valves,)
Instrumentation Estimation ( Scada Design and Estimation)
Electrical Estimation ( Power Requirement, Costing)
Operation and Maintenance ( Labor, Chemical, Power Requirement Etc)
Over all cost calculation
Cash flow preparation
Construction schedule preparation.
E-Portal Submission of Documents and EMD
14. Notifications
After successful submission check for regular notification.
Date of opening of Technical BID.
Date of opening of Financial BID.
Lowes BID qualification.
Award of contract.
15. Project Phases
Preparation of Technical Documents
Getting approval from consultant and client.
Process Design calculations
Mass Balance
Hydraulic Design Calculations
Drain Calculations
Plant Water Utility
Datasheet for mechanical Equipment's
Structural Design calculations
16. Drawing Approvals
PFD
Layout
Hydraulic Flow Drawing
Mass Balance
P&ID
Mechanical GA
Equipment GA
Civil GA
Structural Drawing
17. Mean while at site
Topographical Survey Completion
Site Mobilization
Site Clearing
Compound Structure
Drainages
Excavations
18. Site Progress
After approval of drawings construction commences.
As per Planned Construction Schedule.
Getting Release of RA Bills as per the progress of work.
Hydraulic Testing of Structures
Mechanical Equipment's Installations
Testing of Equipment's
Completion of work and trial run
19. Operation and Maintenance
Flow measurement
Inlet Parameter Analysis
Stabilize the STP
Culture Development
Chemical Dosing
Achievement of said outlet parameter
Trouble shooting
20. Design Glimpse
Analyze the type of effluent to be treated
Collect population density of area and sources of waste generation
Collect Flow quantity (hydraulic Loading)
Collect Effluent Quality parameters (Organic Loading)
Analyze and plan process design units
Collect standards required from Standard Manuals (CPHEEO)
Collects Requirements Specified by Client
Collect Area Available for construction and inlet point of effluent
21. Designing
A sewage Treatment plant will be designed with following flow
SPS (sewage Pumping Station)
MPS (Main Pumping Station)
STP (Sewage Treatment Plant)
Disposal of Treated Sewage
Treatment Of Sludge and its Disposal
22. MPS (Main Pumping Station)
Why ?
Units
Inlet chamber
Course Screen Channel
Wetwell
Pumps and pumping main
23. STP
Receives Flow from MPS/ISPS
Units
Inlet chamber
Fine screen Channel
Grit Chamber
Flow Measurement
Secondary Treatment unit (SBR, ASP, MBBR,)(Digester, Trickling Filter etc)
Clarifier
Disinfection unit (CCT)
Disposal or Tertiary treatment
24. Sludge Treatment
Sludge Sump
Gravity Sludge Thickener (GST)
Sludge Digester/Sludge Holding Tank
Gas Holder, Power Generation units
Centrifuge/Belt Filter
Sludge Cake Disposal