Content Change Log

Version, review date, change note and evidence basis for maintained East Baoyu engineering articles.

Maintenance record

What changed—and what the article can support.

Minor spelling or formatting changes may not receive a separate version. Technical, scope, source or conclusion changes receive a new note and reviewed date.

Version 1.0

Vendor Submittal Schedule: How to Prevent Late Document Approval

Initial scheduled publication in the East Baoyu engineering knowledge-base batch.

Official and public references identified in the article, together with original editorial diagrams. Project values and release decisions require qualified review under the applicable project responsibilities.
Version 1.0

Basic Wind Speed Conversions for Solar Projects: Avoiding Input Errors

Initial scheduled publication in the East Baoyu engineering knowledge-base batch.

Official and public references identified in the article, together with original editorial diagrams. Project values and release decisions require qualified review under the applicable project responsibilities.
Version 1.0

Material Grade Equivalence in International Steel Projects

Initial scheduled publication in the East Baoyu engineering knowledge-base batch.

Official and public references identified in the article, together with original editorial diagrams. Project values and release decisions require qualified review under the applicable project responsibilities.
Version 1.0

Combining Geotechnical and Structural Inputs for Solar Mounting

Initial scheduled publication in the East Baoyu engineering knowledge-base batch.

Official and public references identified in the article, together with original editorial diagrams. Project values and release decisions require qualified review under the applicable project responsibilities.
Version 1.0

Compression Load Testing for Ground Screws: Setup, Procedure and Records

Initial scheduled publication in the East Baoyu engineering knowledge-base batch.

Official and public references identified in the article, together with original editorial diagrams. Project values and release decisions require qualified review under the applicable project responsibilities.
Version 1.0

Topographic Survey Requirements for Ground-Mount Solar Structures

Initial scheduled publication in the East Baoyu engineering knowledge-base batch.

Official and public references identified in the article, together with original editorial diagrams. Project values and release decisions require qualified review under the applicable project responsibilities.
Version 1.0

How to Plan a Ground Screw Load Test Program

Initial scheduled publication in the East Baoyu engineering knowledge-base batch.

Official and public references identified in the article, together with original editorial diagrams. Project values and release decisions require qualified review under the applicable project responsibilities.
Version 1.0

BIM and Model LOD for Structural Steel Fabrication

Initial scheduled publication in the East Baoyu engineering knowledge-base batch.

Official and public references identified in the article, together with original editorial diagrams. Project values and release decisions require qualified review under the applicable project responsibilities.
Version 1.0

Ground Screw Project Input Sheet: What Buyers Should Submit

Initial scheduled publication in the East Baoyu engineering knowledge-base batch.

Official and public references identified in the article, together with original editorial diagrams. Project values and release decisions require qualified review under the applicable project responsibilities.
Version 1.0

Project Document Register for Manufactured Steel and Solar Components

Initial scheduled publication in the East Baoyu engineering knowledge-base batch.

Official and public references identified in the article, together with original editorial diagrams. Project values and release decisions require qualified review under the applicable project responsibilities.
Version 1.0

Module Datasheet Inputs Needed for Solar Mounting Design

Initial scheduled publication in the East Baoyu engineering knowledge-base batch.

Official and public references identified in the article, together with original editorial diagrams. Project values and release decisions require qualified review under the applicable project responsibilities.
Version 1.0

Geotechnical Data Needed Before Specifying Ground Screws

Initial scheduled publication in the East Baoyu engineering knowledge-base batch.

Official and public references identified in the article, together with original editorial diagrams. Project values and release decisions require qualified review under the applicable project responsibilities.
Version 1.0

Solar Mounting Design Inputs: A Controlled Checklist for EPC and Procurement Teams

Initial publication with a five-gate release ladder, module and layout controls, environmental and geotechnical inputs, durability and interface workflow, RFQ comparison table, change-control steps and five buyer FAQs.

IEC PV module and tracker qualification references, ASCE load-basis overview, DOE and NREL procurement guidance, ISO atmospheric-corrosivity guidance, and an original East Baoyu five-gate input-control framework. Project values require qualified engineering review.
Version 1.0

Ground Screw Design Input Checklist for EPC and Procurement Teams

Initial publication with a minimum-input table, preliminary-versus-hold-point rules, an eight-step workflow, responsibility matrix, example register, failure analysis and buyer issue checklist.

FHWA geotechnical site-characterization guidance, ICC-ES helical-system acceptance criteria, ASTM deep-foundation test-method listings, ISO zinc-coating guidance, and an original East Baoyu input-control framework. Project values require qualified geotechnical and structural review.
Version 2.0

Ground Screw Selection from Site Investigation: A Controlled Engineering Route

Rebuilt around a five-stage engineering route with selection and exception tables, ground/structural inputs, trial installation, zone rules, durability, production records, FAQs and project-specific next steps.

Cited geotechnical and helical-system guidance, established design/installation control principles, and East Baoyu controlled product context. Project values require qualified geotechnical and structural review.
Version 2.0

Installation Torque and Ground Screw Capacity: Correlation, Control and Testing

Rebuilt to separate torque, depth, test response and design capacity; added correlation workflow, field disposition tables, measurement controls, testing, structural limits, records, FAQs and CTA.

Cited helical-system acceptance guidance plus established load-test, measurement and construction quality principles. No universal torque factor or capacity is provided.
Version 2.0

Screw Piles vs. Concrete Foundations: A Project Selection Guide

Rebuilt as a project-selection guide with a direct answer, common design basis, decision table, QA routes, programme and environmental boundaries, procurement questions, FAQ, internal links and reviewed visuals.

Cited acceptance and geotechnical guidance, established foundation engineering principles, and East Baoyu product/manufacturing context. No universal cost, carbon or capacity value is claimed.
Version 2.0

Corrosion Design for Ground Screws, Solar Mounting and Structural Steel

Rebuilt with exposure and system-selection tables, detailing and fabrication controls, coating ITP, transport/site protection, maintenance plan, specification checklist, FAQs and reviewed imagery.

Official ISO standards pages and established corrosion-protection, fabrication and inspection principles. Site exposure and coating specification require project review.
Version 2.0

Solar Tracker Wind Load and Stow Strategy: Structural and Control Coordination

Rebuilt with structural-control coordination tables, wind and state modelling, trigger/sensor logic, power-loss behaviour, foundation interfaces, commissioning tests, operations, FAQs and visuals.

Official IEC tracker qualification information, Sandia PV performance modelling resources, and established structural/control functional-safety practices. Project wind design remains site-specific.
Version 2.0

Fixed versus Tracking PV: How to Build a Defensible Energy Comparison

Rebuilt with common-model and constructability tables, resource and geometry controls, loss waterfall, clipping/grid value, lifecycle economics, sensitivity, handover requirements, FAQs and imagery.

Sandia and NREL PV modelling resources plus established energy-yield and lifecycle economic practice. No universal tracker gain or cost advantage is claimed.
Version 2.0

Flexible PV Mounting: Span, Pretension, Deflection and Dynamic Verification

Rebuilt with verification and field-disposition tables, boundary/pretension controls, dynamic wind screening, components, supports, testing, commissioning, maintenance, FAQs and reviewed visuals.

Established cable-structure, wind-engineering and PV system verification principles plus East Baoyu product context. Dynamic assessment and testing scope remain configuration-specific.
Version 2.0

Steel Fabrication ITP: Linking MTC, WPS, NDT, Dimensions and Coating Records

Rebuilt with document hierarchy and production-stage tables, material/welding/NDT/dimensional/coating controls, hold points, NCR route, MDR structure, FAQs, internal links and factory imagery.

Official ISO welding and galvanizing standards pages plus established fabrication quality, inspection and traceability principles. Contract documents control the project ITP.
Version 2.0

Export Packing for Solar Mounting and Steel Components

Rebuilt with risk and release tables, shipping-unit design, geometry/moisture/timber/container controls, durable marking, receiving/storage, enquiry checklist, FAQs and factory/logistics visuals.

Official CTU Code guidance plus established packaging, cargo-securing, corrosion-preservation and project logistics principles. Carrier and destination rules remain project-specific.
Version 2.0

Project Acceptance and Manufacturing Data Records: A Buyer Checklist

Rebuilt with MDR architecture and NCR tables, design/material/process/test/coating/logistics controls, progressive review and digital handover, final buyer checklist, FAQs and reviewed visuals.

Official ISO quality and welding standards pages plus established manufacturing-quality, traceability, document-control and buyer acceptance principles.

Policy version: 2026-07-23 · Corrections: info@baolaipipes.com

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