Industry Overview
Double Wall Corrugated (DWC) pipes are high-density polyethylene (HDPE) piping products designed with distinct internal and external surfaces that provide enhanced stiffness, strength, compression resistance, and flexibility. Their corrugated outer structure combined with a comparatively smooth inner wall makes them suitable for applications where flexibility, durability, low weight, and mechanical resistance are important.
DWC pipes are increasingly used in underground sewage, drainage, electrical ducting, agriculture, irrigation, and other infrastructure applications. Their relatively low raw-material requirement, corrosion resistance, reduced wear and tear, long service life, and low maintenance requirements can provide advantages over conventional piping systems. The smooth inner surface also supports efficient flow and can reduce friction losses.
The construction of a DWC pipe generally consists of an inner “Carrier Pipe” and an outer “Containment Pipe,” providing a combination of structural performance and operational efficiency. HDPE is widely used for manufacturing these pipes because of its durability and resistance to corrosion and environmental degradation. The report covers DWC pipe standards, dimensions, technical properties, quality testing, production technologies, manufacturing processes, machinery, testing equipment, installation practices, market conditions, suppliers, and project economics.
Cost Estimation
| Particulars | Value |
|---|---|
| Plant Capacity | 20 MT/Day |
| Land & Building (8000 sq.mt.) | Rs. 6.44 Cr |
| Plant & Machinery | Rs. 6.17 Cr |
| Working Capital for 1 Month | Rs. 5.67 Cr |
| Total Capital Investment | Rs. 18.70 Cr |
| Rate of Return | 34% |
| Break Even Point | 49% |
Content Index
- INTRODUCTION
- THERE ARE MANUFACTURED AS PER FOLLOWING STANDARDS.
- QUALITY TESTS PERFORMED
- DIMENSIONS OF DWC PIPE
- DWC PIPE FOR NEW GENERATION
- ADVANTAGES OF DWC PIPES
- THERE ARE NUMEROUS OTHER FEATURES OF DWC PIPES & THOSE ARE:
- USES OF DWC HDPE PIPES
- MERITS OF DWC HDPE PIPES
- MERITS OF DWC HDPE PIPES:
- B.I.S. SPECIFICATION
- ADVANTAGE OF DWC CORRUGATOR MACHINE
- DRAINAGE PIPES
- ELECTRICAL DUCTS
- AGRICULTURE & IRRIGATION WORK
- PRODUCTION TECHNOLOGIES OF DWC PIPE
- SINGLE WALL PIPE
- DUAL/DOUBLE WALL PIPE
- QUALITY CONTROL FOR HDPE
- CORRUGATED PIPE STANDARDS AND SN / SR COMPARISON
- POINTS TO BE TAKEN INTO CONSIDERATION
- EXAMINATION AND TESTING OF CORRUGATED PIPES
- PIPE AND ARTICULATION COMPONENT TESTS
- TECHNICAL PROPERTIES OF PE CORRUGATED PIPES
- TABLE: TECHNICAL PROPERTIES OF CORRUGATED PIPES
- DOUBLE WALL CORRUGATED PIPES
- DIMENSIONS AND WEIGHTS FOR STANDARD DOUBLE WALL CORRUGATED PIPES, WITH AN INTEGRATED COUPLING SLEEVE
- RECENT PROJECTS - CORRUGATED PIPES, FITTINGS, MANHOLES, INSPECTION CHAMBERS, DRAINAGE PIPES
- COMPARISON OF CORRUGATED PIPE WITH OTHER CONVENTIONAL PIPES
- CORRUGATED PIPE VERSUS SOLID WALL PIPE
- CORRUGATED VERSUS SPIRAL PIPE
- TECHNICAL DETAILS OF CORRUGATED PIPE
- TYPICAL PRODUCT SPECIFICATION:
- DIAMETER AND CLASSES
- NOMINAL PRESSURE CLASSES IS 1 BAR
- DOUBLE CORRUGATED PIPE WALL STRUCTURE
- PIPES ENDS
- HYDRAULIC SEALING
- FITTINGS
- MANUFACTURING PROCESS DESCRIPTION:
- TESTING
- PROCESS EQUIPMENT
- TECHNICAL DATA:
- II. DIE HEAD
- III. FORMING MACHINE
- IV. SPRAY BATH
- V. CUT-OFF UNIT
- VI. STACKER
- THE COMPOSING OF PRODUCTION LINE:
- E: MECHANICAL PARTS
- II. EXTRUSION DIE HEAD
- III. SBZ1000 FORMING MACHINE
- MODEL OF FORMING MACHINE: SBZ1000 (HORIZONTAL TYPE MACHINE)
- IV. SPRAY BATH
- V. CUT-OFF UNIT
- VI. STACKER
- MARKET OVERVIEW OF HDPE PIPES
- PRODUCTION OF HDPE IN INDIA
- CONSUMPTION OF HDPE IN INDIA
- IMPORT OF HDPE
- OVERVIEW OF CONSTRUCTION INDUSTRY IN INDIA
- THE NATIONAL INFRASTRUCTURE PIPELINE (NIP)
- GOVERNMENT INITIATIVES
- CONCLUSION
- PRESENT MANUFACTURERS/SUPPLIERS OF DWC HDPE PIPES
- HDPE/PP/PVC DOUBLE WALL CORRUGATED PIPE PRODUCTION LINE
- MANUFACTURING PROCESS
- PHASE I
- PREPARATION OF RAW MATERIAL (RM)
- APPROVAL OF RM FOR PURCHASE ORDER
- RECEIVING / STORAGE
- IF THE LOT IS COMPLIANT, IT IS STORED AND REGISTERED.
- MIXTURE
- PHASE II
- EXTRUSION
- PHASE III
- CORRUGATION
- THIS RECENT TECHNOLOGY IS UNDER STUDY.
- PHASE IV
- CALIBRATION
- PHASE V
- FINISHING AND PACKAGING
- CONTROLS AND TESTS
- TECHNICAL REQUIREMENT OF DOUBLE WALLED CORRUGATED (DWC) HDPE DUCT
- SCOPE:
- REQUIREMENTS:
- GENERAL INFRASTRUCTUR:
- QUALITY CONTROL:
- ESSENTIAL MACHINERY & PLANT REQUIRED FOR PRODUCTION:
- REQUIRED ESSENTIAL MACHINERY & PLANT SHALL BE AS FOLLOWS
- ESSENTIAL TESTING EQUIPMENTS REQUIRED FOR QUALITY ASSURANCE
- REQUIRED ESSENTIAL TESTING EQUIPMENTS SHALL BE AS FOLLOWS
- QUALITY ASSURANCE FLOW CHART FOR DWC HDPE DUCT
- JOINING SYSTEM AND INSTALLATION OF DWC PIPES
- JOINTING PROCEDURE
- CONSTRUCTION OF BACKFILL ENVELOPE AND BACKFILLING OF THE TRENCHES
- TRANSPORTATION, HANDLING AND STORAGE OF DWC PIPES
- TRANSPORTATION OF DOUBLE-WALL PIPE TO THE WORKSHOP
- STORAGE AND MAINTENANCE OF DOUBLE-WALL CORRUGATED PIPE
- INSTALLING DOUBLE-WALL CORRUGATED PIPES
- DETAILS OF CORRUGATOR LINE
- LAYOUT OF A PRODUCTION LINE:
- DOWNSTREAM EQUIPMENT
- PRODUCTION TECHNOLOGIES
- » UNICOR‘S CLOSED CONSTRUCTION TECHNOLOGY
- FEATURES:
- » UNICOR‘S SHUTTLE CORRUGATORS
- FEATURES:
- » UNICOR‘S OPEN HORIZONTAL CHAIN CORRUGATORS
- FEATURES:
- PRODUCTION TECHNOLOGIES
- » DIE HEADS:
- › SWESY DIE HEAD FOR SMALL-/MID-SIZED DOUBLE WALL PIPES
- SWESY DIE HEAD – ADVANTAGES
- › DISC DIE HEAD FOR MID-/LARGE-SIZED DOUBLE WALL PIPES
- DISC DIE HEAD – ADVANTAGES
- » UNICOR COOLING MANDREL TECHNOLOGY GUARANTEES:
- PRODUCTION TECHNOLOGIES
- » MOULD BLOCKS
- CONNECTION TECHNIQUES
- TESTNG METHOD OF DWC PIPES
- CREEP RUPTURE STRENGTH - INTERNAL PRESSURE TEST
- CONSTANT INTERNAL PRESSURE AT CONSTANT TEMPERATURE
- STRESS CRACK RESISTANCE - PIPE NOTCH TEST
- SLOW CRACK GROWTH TESTING
- RESISTANCE TO RAPID CRACK PROPAGATION - S4 TEST
- RCP PHENOMENON SIMULATION IN PLASTIC PIPES
- CREEP RUPTURE STRENGTH - INTERNAL PRESSURE TEST
- RESISTANCE TO INTERNAL PRESSURE
- RECOMMENDED TESTING PROCEDURE FOR HDPE PIPES
- PRESSURE TESTING OUTSIDE THE TRENCH:
- TESTING IN THE TRENCH:
- COMPLETE DOUBLE WALL CORRUGATED HDPE PIPE MAKING PLANT & EQUIPMENTS SUPPLIERS
- SUPPLIERS OF PLANT AND MACHINERY (IMPORTED)
- COMPLETE DOUBLE WALL CORRUGATED HDPE PIPE MAKING PLANT & EQUIPMENTS SUPPLIERS
- SUPPLIERS OF AIR POLLUTION CONTROL EQUIPMENTS
- SUPPLIERS OF EOT CRANES
- SUPPLIERS OF DG SETS
- SUPPLIERS OF POWER TRANSFORMERS
- SUPPLIERS OF COOLING TOWER
- SUPPLIERS OF ETP PLANTS
- SUPPLIERS OF MEASURING AND TESTING INSTRUMENTS
- SUPPLIERS OF RAW MATERIALS
- SUPPLIERS OF HDPE RESIN
- SUPPLIERS OF HDPE GRANULES
Appendix
- APPENDIX – A:
- 01. PLANT ECONOMICS
- 02. LAND & BUILDING
- 03. PLANT AND MACHINERY
- 04. OTHER FIXED ASSESTS
- 05. FIXED CAPITAL
- 06. RAW MATERIAL
- 07. SALARY AND WAGES
- 08. UTILITIES AND OVERHEADS
- 09. TOTAL WORKING CAPITAL
- 10. TOTAL CAPITAL INVESTMENT
- 11. COST OF PRODUCTION
- 12. TURN OVER/ANNUM
- 13. BREAK EVEN POINT
- 14. RESOURCES FOR FINANCE
- 15. INSTALMENT PAYABLE IN 5 YEARS
- 16. DEPRECIATION CHART FOR 5 YEARS
- 17. PROFIT ANALYSIS FOR 5 YEARS
- 18. PROJECTED BALANCE SHEET FOR (5 YEARS)
Frequently Asked Questions
Double Wall Corrugated (DWC) pipes are structured plastic pipes consisting of a smooth inner wall and a corrugated outer wall. The inner “Carrier Pipe” supports efficient flow, while the outer “Containment Pipe” provides structural strength and resistance to external loads. HDPE is commonly used because of its durability, corrosion resistance, low weight, and long service life. The corrugated structure also provides flexibility and mechanical resistance, making DWC pipes suitable for underground infrastructure and other applications where these characteristics are important.
DWC HDPE pipes are mainly used for drainage, sewage, electrical ducting, agriculture, irrigation, and other underground infrastructure applications. Their combination of flexibility, compression resistance, corrosion resistance, low weight, and long service life makes them useful where pipes must withstand external loads while maintaining functional performance. The report also covers applications involving fittings, manholes, inspection chambers, and drainage systems, demonstrating the broader role of corrugated piping in infrastructure development.
DWC pipes offer a combination of strength, flexibility, corrosion resistance, low weight, durability, and reduced maintenance requirements. Their corrugated outer wall provides resistance to external compression and mechanical loads, while the smooth inner wall can reduce friction and support efficient flow. The report also notes that DWC pipes require comparatively less raw material and can reduce project costs associated with piping and installation. These characteristics make them an attractive option for several underground drainage, sewage, ducting, and irrigation applications.
DWC pipes are manufactured through a sequence that generally includes raw-material preparation, extrusion, corrugation, calibration, finishing, and packaging. The production line uses equipment such as extrusion die heads, forming machines, spray baths, cut-off units, and stackers. During production, the polymer is processed through extrusion and formed into the double-wall corrugated structure. Quality controls and testing are then performed to verify dimensions, mechanical properties, pressure resistance, and other specified requirements before the finished pipes are prepared for storage or dispatch.
A DWC pipe manufacturing plant requires an integrated production line containing extrusion and forming equipment together with downstream systems. The report identifies extrusion die heads, forming machines, spray baths, cut-off units, stackers, mechanical parts, and mould blocks among the production equipment. Depending on the selected technology and product range, the line may also incorporate specific corrugator configurations and cooling systems. Testing equipment is required for quality assurance so that finished pipes can be evaluated against applicable technical and performance requirements.
Quality testing for DWC pipes can include dimensional verification, pressure-related testing, creep rupture strength evaluation, stress crack resistance, slow crack growth assessment, and resistance to rapid crack propagation. The report also discusses internal pressure testing and recommended testing procedures for HDPE pipes, including pressure testing outside and inside the trench. The exact tests and acceptance criteria depend on the applicable product standard, pipe specification, application, and contractual requirements. Proper quality assurance helps verify structural integrity and service performance.
Establishing a DWC pipe manufacturing plant requires consideration of production capacity, land and building requirements, plant and machinery, working capital, raw-material availability, utilities, quality-control systems, testing facilities, storage, and logistics. Product specifications and applicable standards should be defined before selecting the production line. The project should also consider manufacturing technology, equipment configuration, installation requirements, market demand, competition, and financial feasibility. Proper planning of these elements supports efficient production, consistent quality, and reliable operation of the manufacturing facility.
Why Choose Us
- More than 45 years of experience
- Managed by expert industrial consultants
- ISO 9001-2015 Certified
- Registered under MSME, UAM No: DL01E0012000
How We Work
- 24/5 Research Support Get your queries resolved from an industry expert. Ask before you purchase.
- Custom Research Service Speak to our consultants to design an exclusive study for your needs.
- Quality Assurance All reports are prepared by qualified consultants & verified by experts.
- Information Security Your personal & confidential information is always safe and secure.
Detailed Project Report (DPR) includes Present Market Position and Expected Future Demand, Technology, Manufacturing Process, Investment Opportunity, Plant Economics and Project Financials. comprehensive analysis from industry covering detailed reporting and evaluates the position of the industry by providing insights to the SWOT analysis of the industry.
Each report include Plant Capacity, requirement of Land & Building, Plant & Machinery, Flow Sheet Diagram, Raw Materials detail with suppliers list, Total Capital Investment along with detailed calculation on Rate of Return, Break-Even Analysis and Profitability Analysis. The report also provides a birds eye view of the global industry with details on projected market size and then progresses to evaluate the industry in detail.
We can prepare detailed project report on any industry as per your requirement.
We can also modify the project capacity and project cost as per your requirement. If you are planning to start a business, contact us today.
- Market growth drivers
- Factors limiting market growth
- Current market trends
- Market structure
- Key highlights
- Up-to-date analyses of market trends and technological improvements
- Pin-point analyses of market competition dynamics to offer you a competitive edge over major competitors
- An array of graphics, BEP analysis of major industry segments
- Detailed analyses of industry trends
- A well-defined technological growth with an impact-analysis
- A clear understanding of the competitive landscape and key product segments
- Ask for FREE project related details with our consultant/industry expert.
- Share your specific research requirements for customized project report.
- Request for due diligence and consumer centric studies.
- Still haven't found what you're looking for? Speak to our Custom Research Team.
EIRI Board is a single destination for all the industry, company and country reports. We feature a large repository of latest industry reports, leading and niche company profiles, and market statistics prepared by highly qualified consultants and verified by a panel of experts.
Note: We can also prepare project report on any subject based on your requirement and country. If you need, we can modify the project capacity and project cost based on your requirement.
Our reports provide an expansive market analysis of the sector by covering areas like growth drivers, trends prevailing in the industry as well as comprehensive SWOT analysis of the sector.
Our Clients
- Our research reports comprehensively cover Indian markets (can be modified as per your country), present investigation, standpoint and gauge for a time of five years*.
- The market conjectures are produced on the premise of optional research and are cross-accepted through associations with the business players.
- We use dependable wellsprings of data and databases, and data from such sources is handled by us and incorporated into the report.
- Our project reports include detailed analysis that helps get the industry's Present Market Position and Expected Future Demand.
- Offer real analysis driving variables for the business and the most recent business sector patterns in the industry.
- This report comprehends the present status of the business by clarifying a complete SWOT examination and investigation of the interest-supply circumstance.
- Report gives analysis and in-depth financial comparison of real players/competitors.
- The report gives estimates of key parameters which forecast business execution.
