J02 Technical Specifications.pdf

13201 Water Storage Tank Inspection and Cleaning Page 1 of 2

SECTION 13201

WATER STORAGE TANK INSPECTION AND CLEANING

PART 1 - GENERAL

1.01 SUMMARY

A. The work to be performed under these specifications includes furnishing all labor, material, tools and equipment necessary to inspect and clean a water storage tank.

1.02 RELATED WORK

1.03 REFERENCES

A. AWWA D100 – Standard for Welded Steel Tanks for Water Storage B. AWWA D102 – Standard for Painting Steel Water Storage Tanks C. AWWA C652 – Standard for Disinfection of Water Storage Facilities D. NSF 61 – Drinking Water System Components E. National Electric Code F. OSHA – Occupational Safety and Health Standards G. UL – Underwriters Laboratories, Inc.

1.04 SUBMITTALS

A. Equipment Disinfection (pre-dive).

1. Written procedures to disinfect the dive equipment.

1.05 PROJECT SITE CONDITIONS

A. Weather Conditions

1. No work to be conducted during an electrical (i.e. lightning) storm or other hazardous weather (i.e. high winds, icing, etc.).

B. Structure and Equipment

1. Notify Owners Representative immediately if any unsafe condition (such as a broken ladder) is found that will impede the work under this contract.

1.06 QUALITY ASSURANCE

A. Qualifications

1. Bidder

13201 Water Storage Tank Inspection and Cleaning Page 2 of 2

a. Experienced water storage tank inspect/clean Contractor.

b. Provide a letter with the bid listing three examples of comparable tanks inspected and cleaned. Include tank size, tank owner and Owners address.

PART 2 - PRODUCTS

2.01 ACCESSORIES

A. Safety Equipment

1. Provide all OSHA approved equipment needed to complete the work.

2. Provide all equipment used to safely dive inside of water tank(s) and certifications meeting Section 5 of the International Consensus Standards for Commercial Diving and Underwater Inspections.

PART 3 - EXECUTION

3.01 CLEANING

A. Remove accumulated sediment from the floor of the tank, below the water line, including any excessive sediment located in other areas. This sediment will be disposed of by the Contractor at the direction of the Owner’s Representative.

B. A final and comprehensive inspection will be performed documenting the condition of the entire structure. This report will be written and will include clear photographs and descriptions and recommendations for the tank system.

3.02 INSPECTION & REPAIR

A. The Contractor shall provide an inspection report for each tank noting any leaks, defects or other problems such as deterioration of equipment during the inspection and cleaning. Provide clear photographic evidence and complete descriptions of any defects in the coating system, structural, foundation and appurtenances.

B. Immediately contact the Owners Representative and the Owner if there are any issues that affect safety of personnel or the integrity of the water tank, and for additional instructions on how to proceed.

END OF SECTION