Improving quality and mitigating risks with quality system audits
Our team provides the following services in dealing with evaluation service agencies:
Our team provides the following services in dealing with evaluation service agencies:
Quality System Auditing & Listing
Quality System Auditing & Listing
Improving quality and mitigating risks with quality system audits
Our team provides the following services in dealing with evaluation service agencies:
Our team provides the following services in dealing with evaluation service agencies:
Our team provides the following services in dealing with evaluation service agencies:
We Use The Following Techniques
Our team provides the following services in dealing with evaluation service agencies:
Our team provides the following services in dealing with evaluation service agencies:
Petrographic examination of concrete and cementitious materials (ASTM C856) including visual examination of specimens in as-received condition, stereomicroscopy of polished cross-sectional surfaces, thin section analysis using fluorescence microscopy, and phenolphthalein staining to characterize the composition and condition as well as causes of deterioration or distress in submitted samples,
Scanning electron microscopy with energy dispersive x-ray spectrometry (SEM/EDS) analysis (ASTM C1723) for elemental composition of concrete, cementitious materials, aggregate and secondary deposits,
Chloride analysis to measure acid-soluble chloride content (ASTM C1152) or water-soluble chloride content (ASTM C1218) within a material to evaluate for corrosion potential and external chloride exposure,
Hardened air void system analysis (ASTM C457) to evaluate for total air content and air void system parameters for freeze-thaw durability,
Volumetric proportioning testing (ASTM C457) to quantitatively assess proportioning of concrete in comparison with mix design or specifications,
Bulk resistivity testing (ASTM C1876) to characterize the capillary porosity of concrete mixtures,
Petrographic examination of aggregates (ASTM C295) to identify potentially deleterious materials with potential for alkali-aggregate reactivity, staining, and/or pop-outs,
and more!
Material & Appliance Listing
Having a product evaluated to market and sell in the marketplace is oftentimes essential in the competitive world of building products. A quality system audit and product listing from our team provides the manufacturer documentation of compliance with applicable code bodies and standards, as well as giving peace of mind to AHJs (Authorities Having Jurisdiction) and the end-user.
We have decades of experience as an evaluator of manufactured housing and modular building products, in addition to a wide range of building products used in all aspects of building construction.
Partial list of products that have been listed by us:
Consultation for Evaluation & Certification Services
New products are constantly being developed, many of which do not directly meet existing building code requirements such as the International Building Code (IBC), existing Acceptance Criteria, or Evaluation Criteria. Twining Consulting helps manufacturers navigate this complex process and bring their products to market efficiently through expert evaluation, testing, and certification support.
Our team of experienced engineers and technical specialists provides comprehensive assistance throughout the entire approval and certification journey — from developing new test protocols and evaluation criteria to managing the full certification process. As an accredited ISO/IEC 17065 Product Certification Body, ISO/IEC 17020 Inspection Body, and with in-house ISO/IEC 17025 testing support, we offer a true end-to-end solution under one roof.
Our Typical Five-Phase Program:
Evaluation Reports for Construction Products
A Code Evaluation Report is an important tool when responding to code officials, engineers, architects, specifiers, and even consumers who may have questions regarding your product’s compliance. With this report, you can show buyers how your product meets applicable code requirements.
Manufacturers who take advantage of our close working relationship and familiarity with Building Code Agencies benefit from the combined strengths of both organizations. This combination offers the following advantages:
- Universal Recognition of Building Code Agency – offers easy acceptance of products by Authorities Having Jurisdiction (AHJ).
- Wide-Ranging Market Exposure for Construction Products – offers a network of customers, code officials, architects, specifiers, media channels, and corporate partnerships.
- Collaborative Efficiencies – offers project startup conversations with the Code Body (Such as ICC-ES and IAPMO) to determine the scope and the testing requirements and work together toward faster report completion and delivery.
Why Choose Us?
Quality Programs for Industry & Associations
By adding a certification or quality assurance program (QAP) to the services offered by your organization, you can elevate the level of service you provide to your memberships and bring recognition to your members.
As part of this program, Twining becomes an active partner in your organization. This program will give you the confidence to ensure specifiers and customers that products bearing QAP certification labels have been verified to meet program requirements on an ongoing basis through independent inspection and testing.
Our team uses federal and state regulations and client contractual obligations as a starting point. We align our criteria with accreditation standards, review best practices in your industry, and determine how you can strive to achieve them. These will become the basis of your organization’s policies and procedures.
Create Policies and Procedures
We work with your team to develop workflows and standard operating procedures that support your quality program and meet high principles for running your business. We train staff to ensure workflows are understood, implemented, and meeting the needs of your business.
Twining will offer developmental quality control manual assistance for the new QAP. Our experts have firsthand knowledge of the requirements of your unique products and are always available to lend assistance or answer questions from new QAP members. We will also serve as a third-party inspection agency as part of your program.
Data Analytics and Corrective Action Plans
Twining tracks results and trends when results are unsatisfactory, and performance needs improvement. Our team generates invaluable data collected during QAP implementation to empower organization management to develop action plans and achieve results.
Our program incorporates testing, inspection, and certification services that are right for you to ensure outstanding QAP results.
Mobility Equipment Vehicles
We are proud of our long-term relationship with the National Mobility Equipment Dealers Association (NMEDA) and the California Department of Rehabilitation (CA DOR). As a nationally recognized third-party inspection agency, we conduct dealership audits to verify that NMEDA-accredited locations are compliant with ADA and NMEDA QAP requirements. As a third party, we also maintain label reporting data for NMEDA dealer label reporting requirements.
Our knowledgeable and helpful auditors are NMEDA-certified technicians and have obtained certifications from adaptive equipment manufacturers.
Twining supports and benefits NMEDA and its members by sharing our professional expertise with NMEDA, promoting NMEDA to various state agencies, and participating in the annual NMEDA Conference to introduce our friendly auditors and audit processes to the dealer members.
Our experts are always available to answer any questions NMEDA members have about the quality system auditing process. Our team is here to help by creating a partnership and relationships in the auditing process, which makes for a more comfortable audit visit and helps dealers evaluate their business processes and maintain compliance through a documented assessment.
Product Certification & Listing Reports (ISO/IEC 17065)
Twining Consulting Inc. (dba RADCO) is now a fully accredited ISO/IEC 17065 Product Certification Body. Through our dedicated new Certification Department, we develop and issue Listing Reports and Evaluation Reports for a wide range of construction products and materials that require independent third-party certification for building code compliance.
Our integrated service combines three key accreditations under one roof:
- ISO/IEC 17065 – Product Certification Body
- ISO/IEC 17020 – Inspection Body
- ISO/IEC 17025 – Testing Laboratory support
This unique end-to-end capability streamlines the entire certification process, helping manufacturers achieve faster market access while maintaining the highest standards of impartiality, technical competence, and quality assurance.
Our Listing & Certification Programs cover:
- Compliance with International Building Code (IBC), International Residential Code (IRC), and other applicable standards
- Development of custom evaluation criteria and certification schemes
- Comprehensive product testing, inspection, and documentation packages
- Ongoing factory surveillance and quality system audits
- Preparation and support for code approval submissions
Key Benefits for Manufacturers:
- Single-point accountability and faster turnaround times
- Reduced coordination efforts between multiple vendors
- Expert guidance throughout the entire certification journey
- Reliable ongoing compliance monitoring and renewal support
- Strong reputation backed by Twining’s long-standing technical expertise in construction materials
Our laboratory technicians are highly experienced with testing requirements of different pavement preservation materials. Twining laboratories consistently help public works agencies and contractors to test materials such as:
Slurry Seal
Microsurfacing
REAS
Chip Seal
The typical tests that we perform for such materials are:
Wet Track Abrasion
Asphalt content
Emulsion content
Aggregate gradation
Sand Equivalent
Consistency test (field test)
Our Balcony Inspection Services
Twining offers a range of services tailored to meet the unique needs of property owners and managers. Our services include:
E3s Housing Balcony Inspections (CP1481)
We specialize in conducting thorough inspections in compliance with CP1481 requirements, ensuring the safety of residents and compliance with local regulations.
Structural Integrity Assessments
Our team assesses the structural integrity of your balconies, identifying potential issues related to materials, connections, and load-bearing capacity.
Safety Audits
We conduct safety audits to ensure that your balconies meet the highest safety standards, including railings, guardrails, and fire safety measures.
Exterior Elevated Elements (E3s) Housing Balcony Inspection (CP1481)
An Exterior Elevated Elements (E3s) Housing Balcony Inspection (CP1481) is a comprehensive inspection of the balcony structure, including the railings, decking, and supports. The inspection is performed to identify any potential hazards or defects that could compromise the safety of the balcony.
The CP1481 inspection is based on a set of standards developed by the Canadian Construction Association (CCA). The standards cover a wide range of topics, including:
- Design and construction requirements
- Materials and workmanship requirements
- Inspection and testing requirements
We are certified E3s inspector, and we have the experience and expertise to perform comprehensive Balcony Bill Inspections. Our team is well-versed in the local, state, and national building codes, including the requirements outlined in CP1481. We provide a thorough assessment of your balcony's structural integrity, materials, and overall safety, identify potential hazards, and recommend necessary repairs or improvements.