AWWA C200 steel water pipe

01 / SYSTEM

The pipe shell is not a complete pipeline.

AWWA C200 covers steel water pipe manufactured to the purchase documents. Wall design, joint type, fittings, external loads, handling and corrosion protection must be resolved through the project design and related standards.

02 / DIMENSIONS

AWWA C200 pipe dimensions: define the steel shell and finished bore.

An AWWA C200 pipe dimension schedule must define more than a nominal size. Send a pipe schedule that separates nominal designation, actual steel outside diameter, steel wall thickness, finished internal diameter after lining, piece length and joint geometry. Do not assume a nominal inch size or DN value equals the steel OD or finished bore.

AWWA C200 is a manufacturing reference, not a substitute for the project wall design. Ask the supplier to return the completed schedule with deviations rather than a generic catalogue. Prepare a dimension and capability brief.

03 / INTERFACES

Coordinate shop work with field construction.

• Bell-and-spigot, butt-weld or flanged interfaces
• Fabricated bends, tees, reducers and outlets
• Cement-mortar, epoxy or other specified lining
• External coating, cutbacks and field-joint restoration

04 / DOCUMENTS

Make the project drawings part of the order.

Pipe laying schedule, fitting drawings, joint details, hydrostatic test requirements, dimensional tolerances and lining or coating procedures should be reviewed together before production.

05 / QUALITY RISKS

Prevent recurring AWWA C200 pipe defects through the purchase documents.

Typical risks include weld discontinuities, out-of-roundness, dimensional mismatch at joints, damage to lining or coating, poorly controlled cutbacks, incomplete field-restoration details and documentation gaps. Acceptance criteria, inspection stages and repair procedures should be agreed before manufacturing rather than negotiated at release.

06 / RFQ CHECKLIST

Define the complete AWWA C200 supply package.

• Standard edition, project amendments, steel grade, diameter and design wall
• Design pressure, surge basis, external loads and corrosion allowance
• Joint type, end preparation, laying lengths and dimensional tolerances
• Fitting drawings, outlets, flanges and restrained-joint requirements
• Internal lining, external coating, cutbacks and field-restoration materials
• Hydrostatic testing, weld examination, inspection points and documentation
• Quantity, delivery sequence, destination and site handling limits

07 / OFFER COMPARISON

Compare scope boundaries before comparing price.

Confirm whether each offer includes steel shell manufacture, fittings, joint components, shop protection, field-joint materials, testing, third-party inspection, packing and delivery. Record every deviation from drawings and purchase documents. A lower pipe-only price may not represent the lower installed package cost.

08 / DELIVERABLES

Turn the enquiry into an accountable supply package.

Request a named mill, a technical compliance and deviation list, a dimension schedule, inspection and test plan, document list, protection-system scope and a delivery breakdown. Agree which organisation supplies each fitting, shop lining, field-joint material and final release record. State the destination port or site, delivery sequence and Incoterm in the same enquiry.

Compare two mill offers on the same basis · Send your AWWA C200 pipe schedule for review

References for defining the package: AWWA standards list; STI/SPFA water-transmission specification guide. The contract must identify the adopted edition and owner requirements.