(c) 1996 DUCTBUSTERS^®, Inc. All rights reserved.

1. CONTRACT DOCUMENTS
2. SCOPE OF WORK
3. STANDARD GENERAL CONDITIONS
4. PERFORMANCE OF WORK - BASELINE CONDITIONS QCA
5. CORRECTION OF WORK
6. QUALITY ASSURANCE/ QUALIFICATIONS OF BIDDER
7. WORK SCHEDULE
8. MATERIALS, EQUIPMENT AND PERSONNEL
9. REQUIREMENTS FOR SPECIFIC MODIFICATIONS OF CLEANING AND DECONTAMINATION OF AIR HANDLERS & ZONE DAMPERS
10. ROYALTIES AND PATENTS
11. PROTECTION OF WORK, PROPERTY AND PERSONS
12. ACCESS TO WORK
13. CHANGES IN THE WORK
14. PLAN ERRORS, OMISSIONS, AND SPECIFICATION MODIFICATIONS
15. CONTRACTOR RESPONSIBILITIES
16. AIR HANDLERS
17. DUCTS - ACCESS OPENINGS OPTIONS
18. MATERIALS, CHEMICALS AND EQUIPMENT
19. ANTI-MICROBIAL TREATMENT, SANITIZERS & COATINGS
20. WORKMANSHIP
21. RESPIRATOR PROTECTION PROGRAM (RPP)
22. CONTRACTORS RESPONSIBILITIES
23. IAQ/HVAC REMEDIATION EQUIPMENT
24. DUCT SYSTEM REMEDIATION
25. AIR HANDLER REMEDIATION
26. AIR HANDLER INSULATION
27. AIRSIDE SURFACE TREATMENT (OPTIONAL)
28. POST REMEDIATION IAQ TESTING (SEE 3.0)
29. WARRANTY

Contents

1. CONTRACT DOCUMENTS

1. The Contract includes the SCOPE OF WORK and the STANDARD GENERAL CONDITIONS of the Contract.
2. The intent of these documents is to include all labor, materials, equipment and services of every kind necessary for the proper execution of the work and the terms and conditions of payment.
3. The terms and conditions of this bid will become the terms and conditions of the contract upon acceptance of the bid, and in case of conflicts will take precedence. However, no general specifications herein will be applicable to any contract unless such specifications are specifically identified in the contract.

Contents

2. SCOPE OF WORK

1. Work required under this section consists of providing all labor, equipment, materials and supervision necessary to perform HVAC remediation, Quality Control Assurance (QCA) protocols designed herein and the techniques specifically required for the removal of agents potentially deleterious to human health, removal of visible surface contaminants and the cleaning of air-side surfaces of all air intakes, air handlers, coils, dampers, terminal units, diffusers and duct systems, as specified herein, including but not limited to, all adjunct components in strict accordance with these specifications.

Contents

3. STANDARD GENERAL CONDITIONS

1. All decontamination procedures shall be accomplished by an indoor environmental company whose personnel have specialized knowledge and expertise in the methods required for the removal and disposal of visible surface contaminants, agents potentially deleterious to human health, and bulk materials which have been contaminated by such agents.
2. Organization will have at least one (1) "Certified Air Duct Cleaning Specialist" on staff who has passed the National Air Duct Cleaners Association Certification exam and is verifiable with their current status.
3. Provide Owner with a proactive IAQ Quality Control Assurance (QCA) program to assure remediation work is performed by a disciplined standard. The Contractor is to provide a designated person who has the training and has been given the responsibility to take necessary measures to assure compliance with OSHA's proposed 1910.1033 Indoor Air Quality Program.
4. Occupational Health and Safety Administration (OSHA) standards must be complied with. These include, but may not be limited to the Personal Protection Program (PPP), the Respiratory Protection Program (RPP) 1910.134, the Confined Space Program (CSP) 1910.146, and the Hazard Communications Program (HCP) 1910.1200. These programs must be established. The Contractor also shall provide all necessary training and equipment required by the programs for their personnel.
5. The Contractor shall assure that its employees have received safety equipment training, medical surveillance programs, individual health protection measures, and manufacturer's product and material safety data sheets (MSDS) required for the work described by this Contract Document.
6. The Contractor shall maintain a copy of all current MSDS documentation and safety certifications at the site at all times, as well as comply with all other site documentation requirements of the OSHA programs and this specification.
7. All cleaning procedures shall be accomplished by an indoor environmental company with personnel that have specialized knowledge and expertise in the methods required for the removal of such materials.
8. Occupational Health and Safety Administration (OSHA) general industry standard for respiratory protection 29 CFR 1910.134 requires that a respiratory protection program be established. In order to perform remediation, employee certification and an in-house Respiratory Protection Program (RPP) documentation must be submitted.
9. The Contractor shall assure that its employees have received the necessary training, medical surveillance programs, safety equipment, individual health protection measures, and manufacturer's product and material safety data sheets required for the work described by this Contract Document 3.10. The term "antimicrobial coating product" used in the following specifications refers to an antimicrobial formulation developed, tested and registered for HVAC ductwork and air handler applications. The antimicrobial coating product shall be an EPA registered, non-toxic, water soluble solution with supporting efficacy and MSDS data. Application of the antimicrobial coating products shall be in accordance with manufacturer's minimum millage surface application rate standards for effectiveness.
10. List of personnel and their experience and projects performed.
11. Bids shall be considered only from firms which are regularly engaged in the environmental business with emphasis on HVAC decontamination and/or ductwork remediation.

Contents

4. PERFORMANCE OF WORK - BASELINE CONDITIONS QCA

1. Pre and Post-remediation IAQ QCA
2. QCA shall be limited to the areas specified herein, and the specific zone/air handling system to be remediated. No other areas shall be monitored or other tests conducted without the authorization of the Owner.
3. Personnel performing bulk (surface) QCA must be trained in IAQ. All cultures shall be quantified and qualified for microbial content in a laboratory with a minimum staff of a Ph.D. in Mycology/Microbiology Laboratory .
4. QCA of the existing HVAC parameters shall be done in each zone/air handling unit system area prior to any remediation work in that area.

Testing shall include: (minimum):

5. Contractor must be capable of conducting IAQ/HVAC video imaging and still photos to be provided both before and after mechanical remediation. Both the 'before' video tape and still photos shall be available to the Owner before remediation. IAQ/HVAC imaging is to be completed utilizing VHS video capabilities before and after remediation. Optionally, a narrated and edited tape will be provided to the Owner.
6. Microbiological bulk sampling, when performed, shall follow nationally recognized chain of custody protocols for data gathering. Culture shall be performed to identify bacteria and fungi on appropriate media.
7. Cultures are to be characterized to quantify and qualify microbial content. Microbiological evaluations shall include fungal and bacterial cultures.
8. Initial air flow and differential pressure readings are to be performed by the Contractor using manometer equipment. Pressure differentials shall be measured across each coil, with filtration in place.
9. Verification of Air Conveyance Systems (ACS) decontamination will be determined by the NADCA vacuum test. The weight of the debris collected by the nuisance duct protocol shall not exceed 1.0mg/100 cm².
10. Provide Owner with QCA Report, including: VHS video, photographs and report of degraded areas of HVAC system, Microbial results, and air flow and pressure differential results.
11. All QCA requirements and procedures shall be completed for post-remediation quality analysis in accordance with the post remediation table provided in this document.
12. In addition, the following will be required to complete the post-remediation QCA:
    1. Provide Owner with a QCA Report including: Remediation Progress Report summary, a compilation of daily progress reports of work performed, all correspondence during remediation of work performed, HVAC parameter study, bulk analysis, IAQ/HVAC video imaging, differential pressure readings, NADCA vacuum test results, wet and dry thickness (millage) analysis of antimicrobial coating applications, and documentation of any deficiencies.
    2. Provide Owner with records of compliance after the completion of the remediation project. This QCA analysis is to be provided to the Owner for verification of the Contractors ability to meet performance criteria as defined by sections 6.1 to 6.3.1 of NADCA standard 1992-01 or current version.

Contents

5. CORRECTION OF WORK

1. The Contractor shall re-execute any work that fails to conform to or meet requirements of the Contract, and which appears during the progress of the project, and shall remedy any defects due to faulty materials or workmanship which appear within a period of one year from the date of final acceptance of the work by the Owner. The provisions of this article apply to work completed by subcontractors as well as to work completed by employees of the Contractor.

Contents

6. QUALITY ASSURANCE/ QUALIFICATIONS OF BIDDER

1. NADCA Standard 1992-01 must be followed with no modifications or deviations being allowed to provide the maximum safety for the occupants in the building.
2. The Contractor selected should have at a minimum three years membership with the National Air Duct Cleaners Association (NADCA) and be able to verify three cleaning projects in which the NADCA standards have been used.
3. All cleaning procedures shall be accomplished by an indoor environmental company with personnel specializing in HVAC systems. Contractor shall have knowledge and expertise in the methods required for the removal of microbiological contaminants from within an HVAC system. Qualified Contractor shall be capable of performing mechanical, electrical, plumbing and control work as necessary to accomplish this scope of work. Contractor is required to be state licensed.
4. Contractor stipulates that their work performance has been in accordance with specifications and general techniques in regard to HEPA vacuums and the application of antimicrobial products to duct systems.
5. Contractor must have a minimum of five years experience in commercial ductwork decontamination. Additionally, the Contractor must have experience with air sampling techniques as outlined in this Scope of Work on a minimum facility of 75,000 square feet. This project must have been cleaned with a 4,000 to 6,000 + CFM HEPA vacuum and an application of an antimicrobial coating product to the duct system.
6. List and give a brief description of similar work completed with locations, names, phone numbers and address of each.
7. Bids shall be considered only from firms which are regularly engaged in HVAC maintenance and in the environmental business with emphasis on air duct decontamination.

Contents

7. WORK SCHEDULE

1. Unless otherwise specified, this job is specified for 1st or 2nd shift work.
2. All office equipment and furniture shall be covered and protected from any dust or debris in each work area.
3. All systems shall be back on line and operating at full capacity, and all areas will be ready for occupancy no later than the time agreed upon with the facilities manager.
4. Schedules and progress reports shall be faxed or delivered on a daily basis.

Contents

8. MATERIALS, EQUIPMENT AND PERSONNEL

1. Except as otherwise noted, the Contractor shall provide and pay for all materials, labor, tools, and equipment necessary to complete the work.
2. The Contractor shall furnish, for approval, all samples as directed. The work shall be in accordance with approved industry sampling protocols.
3. All material shall be new, and both workmanship and materials shall be of a high standard of quality, approved by the Owner's Representative.
4. All workmen and subcontractors shall be skilled in their trades.

Contents

9. REQUIREMENTS FOR SPECIFIC MODIFICATIONS OF CLEANING AND DECONTAMINATION OF AIR HANDLERS & ZONE DAMPERS

1. The Contractor shall clean all types of air conveyance systems (i.e., sheet metal ducts, masonry, etc.) so that mold, mildew, lint, hair, fungi, dirt and other foreign materials and residues are properly removed.
2. The cleaning procedures shall be accomplished by the utilization of specialized equipment as required (i.e., high suction vacuums utilizing HEPA filters, high pressure washers, air compressors, duct brushes, etc.). (SEE EQUIPMENT SPECIFICATIONS)
3. Special attention shall be taken during cleaning to prevent high levels of micro-organisms from becoming airborne and then disseminated into occupied areas. All effluents shall be removed and disposed of by the Contractor. Cleaning shall be in accordance with NADCA Standard 1992-01.
4. Contractor shall, during decontamination, maintain certified respirators, safety glasses and clothing according to OSHA respiratory protection standard 29-CFR-1910.134.

Contents

10. ROYALTIES AND PATENTS

1. The Contractor shall pay all royalties and patent fees for any material or processes which require the use of proprietary patented systems and/or methods. The Contractor also agrees to hold the Owner harmless of all such claims if such issues of intellectual property arise.

Contents

11. PROTECTION OF WORK, PROPERTY AND PERSONS

1. The Contractor shall adequately protect the Owner's property and occupants. The Contractor shall be responsible for the cost arising out of any damage or injury due to his act or neglect.

Contents

12. ACCESS TO WORK

1. The Contractor shall permit and facilitate observation of the work by the Owner and his agents and public authorities at all times.

Contents

13. CHANGES IN THE WORK

1. The Owner may order changes in the work, the Contract Sum being adjusted accordingly. All such orders and adjustments shall be in writing. Claims by the Contractor for extra cost must be supported by accurate cost breakdowns, and must be approved by the Owner before executing the IAQ work involved.
2. Any changes to the original work order contract will be executed as agreed upon utilizing labor and material rates. These IAQ remediation personnel rates will apply to any changes to the scope of the work order.
3. Provide all receipts to the Owner and Architects for change orders, as requested.

Contents

14. PLAN ERRORS, OMISSIONS, AND SPECIFICATION MODIFICATIONS

1. Claims of Plan and/or Specification errors by the Contractor for extra cost must be supported by subject documents in error, field inspection and accurate breakdowns, and approved by the Owner before Contractor will continue with the contract work. Consequently, the Owner may order changes in the work, the Contract Sum being adjusted accordingly. All such orders and adjustments shall be in writing. All procedures from this point shall be handled as normal change orders.

Contents

15. CONTRACTOR RESPONSIBILITIES

1. CONTRACTOR IS NOT RESPONSIBLE FOR PROBLEMS RESULTING FROM PRIOR INAPPROPRIATE OR CARELESS CLEANING TECHNIQUES OF OTHERS
2. Insure that any air conveyance systems' interior acoustical lining materials receive careful attention to prevent damage to airside