CCP 07-21-1997 - Laserfiche WebLink

Home Browse Search

- 'I I Pitts burg Tank and Tower Company Howard R. Green Company .. Recommendations and Quoted Price Comments and Recommendations 3. Pressure wash interior dry surfaces, A complete power wash is not necessary. spot repair a small area of peeled Cleaning isolated mildew spots is I paint; $9,500 recommended, and the small area of peeled paint should be repaired. Estimated cost: $1,200. I 4. I nstall confined space entry signs near Not common practice Not required since the roof openings; "free with order" City closely controls access to the roof area I and can ensure that only qualified personnel are allowed to enter the tank. 5. Install lightning protection on the water Not common practice in this area. Not I tower; $1,250 recommended by Kaeding & Associates, our electrical subconsultant. 6. Spot sandblast, spot prime, brush Based on the photos in the 1996 report and I blast all surfaces, stripe coat seams, on an inspection from the roof hatch, with the and topcoat entire tank interior; tank full, it appears that the tank lining is in I $95,100 good condition and that only minor spot repairs are required. Repainting the entire tank interior is not recommended at this time. .. Estimated cost: $15,000 to $30,000 7. Pressure wash the tank exterior; Not necessary at this time. $13,500 I 8. Install a new tank vent to relieve Ice build-up on the screen has not been a vacuum or pressure in case of ice problem. Vent modifications such as I build-up on the vent screen; $4,810 replacing the metal screen with a fiberglass reinforced nylon screen would lower the potential for ice build-up on the screen. I Estimated cost: $500 In summary, the recommendations and quotes made by Pittsburg Tank and Tower appear to be I excessive, high priced, and based, in part, on possible misinterpretation of OSHA and AWWA codes and standards. The Pitts burg Tank and Tower recommendations and price quotes total $147,211. I Based on our evaluation, minor modifications and repair work are recommended, with an estimated cost of $18,200 to $33,200. Since a detailed examination of the tank lining is not possible without I draining and rigging the tank, the first step in a maintenance and repair contract should be to rig the tank interior and thoroughly examine the tank lining. Since the need for additional work may be identified after a detailed examination of the tank interior, the City should consider budgeting I for a total construction cost of $50,000. It is recommended that the maintenance and repair work be completed in 1997 or 1998. If the City .. would like to proceed with the project, the City should authorize the preparation of specifications Howard R, Green Company I CONSULTING ENGINEERS -