PSXE232026 Repair Water TankStatement of Work and Specifications_11.01.2023.pdf

PSXE232004

11.1.2023 Statement of Work 1

Statement of Work

PSXE232004 REPAIR / PAINT WATER TANK

MCGHEE TYSON, TENNESSEE

I. GENERAL

The work covered by this Statement of Work (SOW) consists of furnishing all labor, equipment, appliances, and materials, in performing all necessary travel and services required to perform the work herein described.

II. PROJECT DESCRIPTION

Scope of Work: Contractor shall repair the water tank at the 134th Tennessee Air National Guard Base including the following:

Exterior

1. Excavate around ring wall on upper side (toward Hobbs Road). Ring wall shall be at least 6” above final grade within 3 feet of tank. Grade to drain.

2. Sandblast the exterior of the tank.

3. Add 24 mesh non-corrosive screen to overflow and drain pipe outlet.

4. Remove and replace loose grout at foundation chime ring with non-shrink grout.

5. Remove and replace existing dome vent with a larger vent with 24 mesh non-corrodible screen that meets the State of Tennessee requirements of Division of Water Resources, Community Public Water Systems Design Criteria.

6. Clean/Prep exterior for coatings per coating manufacturer’s instructions.

7. Paint exterior.

Interior

1. Sand blast the interior of the tank.

2. Remove upper 12” of overflow pipe.

3. Remove and replace three interior ladder rungs.

4. Install stainless steel safety climb on interior of tank (Cable Type).

5. Remove existing cathodic protection

6. Clean/Prep interior for coatings per coating manufacturer’s instructions.

7. Paint interior.

Contractor to verify all quantities. All work shall be performed in accordance with the attached specifications 01010 “Summary of the Work” and Section 09970 “Field Painting Potable Water

Tanks”.

Technical Specification:

See attached:

1. 01010 – Summary of the Work

2. 01040 – Coordination

3. 01037 – Weather Delays

4. 01300 - Submittals

11.1.2023 Statement of Work 2

5. 09970 – Field Painting Potable Water Tanks

6. 02200 – Earthwork

7. Lead Paint Chip Analysis Report Dated 10.30.2023

11.1.2023 SUMMARY OF WORK 01010-1

SECTION 01010

SUMMARY OF THE WORK

PART 1 GENERAL

1.1 SUMMARY

A. The "Project," of which the "Work" of this Contract consists of is titled "Repair Water Tank.”

B. The "Work" of this Contract is defined in the Contract Documents to include the rehabilitation of one existing welded steel ground storage water tanks at the 134th Tennessee Air National Guard Base including prepping, recoating, installation of a new roof vent and other related appurtenances, and excavation within 3 feet of the tank ring wall.

1. The 134th water tank is a 200,000-gallon capacity welded steel tank with a diameter of 32 ft., a side wall height of 32 ft., and with domed roof. (Contractor to verify all dimensions)

C. Existing Coating Information:

The existing interior and exterior coatings are considered to be lead-free under current guidelines.

1.2 COORDINATION

A. The Contractor shall coordinate all construction activities and equipment deliveries with Contracting Officer’s Representative (COR). All activities which could possibly affect normal Base operations shall be coordinated with COR a minimum of 24 hours in advance.

B. The Contractor shall coordinate all field construction activities around scheduled equipment and material deliveries. No work shall start until the work can proceed in a continuous, coordinated manner. The Contractor shall not leave any work in an unfinished condition without previous approval. No work shall be partially completed and left in a condition which could either jeopardize normal operations or pose a safety hazard.

1.3 WORK SCHEDULE

A. The work schedule will be determined by the Contracting Officer. Weather delays will be considered that impact the application of the specified primer and finish coats including surface preparation.

END OF SECTION

11.1.2023 COORDINATION 01040-1

SECTION 01040

COORDINATION

1.1 PROJECT COORDINATION

A. The Contractor shall coordinate his actions with the Contracting Officer as specified in the Contract Documents.

1.2 COORDINATION OF WORK OF SUBCONTRACTORS

A. It is the responsibility of the Contractor to coordinate the work of his subcontractors. To this end, the Contractor shall require the subcontractors examine and familiarize themselves with the project drawings and they are to frequently consult with each other and all other trades so that the work can be properly coordinated.

B. The Contractor shall carefully check the work of his subcontractor in order to deliver to the

Government the contract work complete and properly installed in conformance with the Contract requirements.

1.3 JOB SITE ADMINISTRATION

A. The Contractor shall give his personal superintendence to the work at all times or have a competent superintendent on the job at all times during the execution of the work, with authority to act for him. A competent superintendent shall not be replaced during the execution of the work except for acceptable reasons. Any change in superintendence shall require written approval by the Contracting Officer. The superintendent shall remain on the project until all work has been completed, including the Final Check List Items.

11.1.2023 WEATHER DELAYS 01037-1

SECTION 01037

WEATHER DELAYS

1.1 EXTENSIONS OF CONTRACT TIME

A. If the basis exists for an extension of time, an extension of time on the basis of weather may be granted only for the number of Weather Delay Days in excess of the number of days listed as the Standard Baseline for that month.

1.2 STANDARD BASELINE FOR AVERAGE CLIMATIC RANGE

A. The Government has reviewed weather data available from the National Oceanic and Atmospheric Administration and determined a Standard Baseline of average climatic range for the State of Tennessee.

B. Standard Baseline shall be regarded as the normal and anticipatable number of calendar days for each month during which construction activity shall be expected to be prevented and suspended by cause of adverse weather. Suspension of construction activity for the number of days each month as listed in the Standard Baseline is included in the Work and is not eligible for extension of Contract Time.

C. Standard Baseline is as follows:

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

12 11 8 7 7 6 7 5 4 5 6 11

1.3 ADVERSE WEATHER AND WEATHER DELAY DAYS

A. Adverse Weather is defined as the occurrence of one of more of the following conditions which prevents exterior construction activity or access to the site within twenty-four (24) hours:

1. Precipitation (rain, snow or ice) in excess of one-tenth inch (0.10”) liquid measure.

2. Temperatures which do not rise above 32 degrees F by 10:00 a.m.

3. Temperatures which do not rise above that specified for the day’s construction activity by

10:00 a.m., if any is specified.

4. Sustained wind in excess of twenty-five (25) m.p.h.

5. Standing snow in excess of one inch (1.00”).

A. Adverse Weather may include, if appropriate, “dry-out” or “mud” days when all the following conditions are met:

1. For rain days above the standard baseline.

2. Only if there is a hindrance to site access or Sitework, such as excavation, backfill and footings.

3. At a rate no greater than 1 make-up day for each day or consecutive days of rain beyond the standard baseline that total 1.0 inch or more, liquid measure, unless specifically recommended otherwise by the Contracting Officer.

B. A Weather Delay Day may be counted if adverse weather prevents work on the project for fifty percent (50%) or more of the Contractor’s scheduled work day, including a weekend day or holiday, if Contractor has scheduled construction activity for that day.

1.2 DOCUMENTATION AND SUBMITTALS

A. Submit daily jobsite work logs showing which and to what extent construction activities have been affected by weather on a monthly basis.

11.1.2023 WEATHER DELAYS 01037-2

B. Submit actual weather data to support claim for time extension obtained from nearest NOAA weather station or other independently verified source approved by Contracting Officer at beginning of project.

C. Use Standard Baseline data provided in this section when documenting actual delays due to weather in excess of the average climatic range.

D. Organize claim and documentation to facilitate evaluation of a basis of calendar month periods, and submit to the Contracting Officer.

E. Contractor shall install a rain gauge on-site and document daily weather conditions.

PART 2 PRODUCTS

Not used.

PART 3 EXECUTION

Not used.

11.1.2023 SUBMITTALS 01300-1

SECTION 01300

SUBMITTALS

1.1 PROGRESS SCHEDULE AND REPORTS

A. Progress reports shall be prepared on AF Form 3065 and shall be completed and submitted by the Contractor bi-weekly. If no additional work has been done since submission of the previously bi-weekly report, a negative report on AF Form 3065 shall be submitted for the period concerned.

B. Contractor shall prepare and maintain a critical path method construction schedule using the arrow diagramming method. Contractor shall utilize the latest edition of Prima Vera software for preparation of this schedule.

1.2 APPLICATIONS FOR PAYMENT

A. Progress Payment Request shall be submitted at the end of each month by the Contractor on AIA Document G703, Application and Certificate for Payment, and AIA Document G702A continuation sheet and by separate lists of materials stored at the site ad shall be submitted accompanied by the corresponding progress report. One original and three copies shall be submitted directly to the Contracting Officer. Total contract amount, amount requested, less retainage and previous payments shall be indicated on the forms and certification statement (wording of certification statement will be furnished to the contractor at the pre-construction conference).

1.3 SHOP DRAWINGS/MATERIAL SUBMITTALS

A. General

1. Contractors shall submit all requests for material approval on AF Form 3000. Materials include articles, supplies, raw materials, shop drawings, equipment, parts, components, etc.

Number of copies and distribution of submittals shall be covered in the Preconstruction Conference.

2. Before submission, the Contractor shall check the submittals of all items furnished by him or any Subcontractor as follows: Check the submittals for completeness and compliance with the Contract Documents; check and verify all dimensions and field conditions relating to the submittals; and certify in writing that these checks have been made.

3. The Contracting Officer will return for resubmission all shop drawings submitted without the above specified approval and certification, and all shop drawings, which in the Contracting Officer’s opinion, contain numerous discrepancies and/or have not been checked or have been superficially checked only by the Contractor or Subcontractor.

4. The Contracting Officer will receive shop drawings from the Contractor only. Shop drawings submitted to the Contracting Officer by subcontractors, material suppliers, etc., will be returned unchecked to the Contractor.

5. Acceptance of shop drawings by the contracting Officer will be general only, and such acceptance will not relieve the Contractor or subcontractor of the responsibility for accuracy of such shop drawings, proper fitting, coordination, construction of work, and furnishing materials and work required by Contract but not indicated on shop drawings. Acceptance of shop drawings shall not be construed as approving departures from Contract requirements.

6. Within ten (10) calendar days after the Notice to Proceed (NTP), the Contractor will submit to the Contracting Officer a chronological Material Submittal Schedule, based upon the Material Approval Submittal Matrix provided in the specifications. In this schedule, the Contractor will list his required submittals consistent with his own construction strategy, and chronologically on a week-by-week basis. The Contractor must schedule all of his submittals such that they will be forwarded, reviewed, and approved within sixty (60) calendar days after NTP. The

11.1.2023 SUBMITTALS 01300-2

only exception to this is that all submittals involving a color selection must be forwarded, reviewed and approved within ninety (90) calendar days after NTP. No final color selection will be made until all the color-related submittals have been approved. Resubmittals by the contractor after the sixty (60) day deadline will be permitted only if the initial government review time is determined by the Contracting Officer to be unjustifiably excessive.

B. Coordination

1. Coordinate the preparation and processing of submittals with the performance of the work.

Coordinate each separate submittal with other submittals and related activities such as testing, purchasing, fabrication, delivery and similar activities that require sequential activity.

2. Coordinate the submittal of different units of interrelated work so that one submittal will not be delayed by the Contracting Officer’s need to review a related submittal. The Contracting Officer reserves the right to withhold action on any submittal requiring coordination with other submittals until related submittals are forthcoming.

C. Scheduling: In each appropriate administrative submittal, such as the progress schedule, show the principal work-related submittals and time requirements for coordination of submittal activity with related work.

1.4 SUBMITTAL SCHEDULE

A. Coordination of Submittal Times

1. Prepare and transmit each submittal to the contracting Officer sufficiently in advance of the scheduled performance of related work and other applicable activities. Transmit different kinds of submittals for the same unit of work so processing will not be delayed by the Contracting Officer’s need to review submittals concurrently for coordination.

2. The Contractor is required to submit all shop drawings and material submittals with the Government’s Material Approval Submittal (AF Form 3000), if required in the specifications, for the project within the time frame specified in Paragraph 1.3.A.6 above.

B. Routing Procedures – AF Form 3000

1. The Contractor will prepare and forward the AF Form 3000 in original, and three (3) copies (4 total) with attachments to the COTR. In addition, the contractor will send one (1) copy without attachments to the Contracting Officer. The COTR will forward approved/disapproved original plus two (2) copies with attachments to Contracting Officer.

At the same time the COTR will send one (1) copy with attachments to Contractor. The Contracting Officer will send one (1) approved/disapproved copy with attachments to Contactor, and one (1) approved/disapproved copy with attachments to COTR.

2. No extension of time will be authorized because of the Contractor’s failure to transmit submittals to the Contracting Officer sufficiently in advance of the work.

C. Submittal Transmittal – Package each submittal appropriately for transmittal and handling.

Transmit each submittal from the Contractor to the Contracting Officer, and to other destinations as indicated, by use of a transmittal form. Submittals received from sources other than the Contractor will be returned to the sender “Without Action”.

1.5 SPECIFIC SUBMITTAL REQUIREMENTS

A. General

1. Specific submittal requirements for individual units of work are specified in the applicable specification section. Except as otherwise indicated in the individual specification sections, comply with the requirements specified herein for each type of submittal.

2. Where it is necessary to provide intermediate submittals between the initial and final submittals, provide and process intermediate submittals in the same manner as for initial submittals.

11.1.2023 SUBMITTALS 01300-3

B. Shop Drawings: Information required on shop drawings includes: Dimensions, identification of specific products and materials which are included in the work, compliance with specified standards and notations of coordination requirements with other work. Provide special notation of dimensions that have been established by field measurement. Highlight, encircle or otherwise indicate deviations from the contract documents on the shop drawings.

C. Coordination Drawings

1. Provide coordination drawings where required for the integration of the work, including work first shown in detail on shop drawings or product data. Show sequencing and relationship of separate units of work which must interface in a restricted manner to fit in the space provided, or function as indicated. Coordination drawings are considered shop drawings and must be definitive in nature.

2. Refer to Divisions 15 and 16 sections for additional general requirements applicable to shop drawings for mechanical and electrical work, respectively.

3. Do not permit shop drawing copies without an appropriate final “Action” marking by the Contracting Officer to be used in connection with the work.

D. Preparation

1. Submittals shall be submitted in electronic (.pdf) format and one hard copy for Divisions 15 and 16. Notification shall be sent to the Contracting Officer, COR, and A/E that the submittals are posted to a location making them ready for review. Minor exceptions to this are allowed for submittals requiring large format reproduction.

2. Comments or other actions shall be posted back to this same location.

E. Initial Submittal: Provide one correctable translucent reproducible print and one blueline or blackline print. The reproducible print will be returned.

F. Final Submittal: Provide 3 prints plus 2 additional prints where they are required for maintenance manuals. Two (2) prints will be retained; the remainder will be returned. One of the prints returned will be marked-up and maintained by the Contractor as a “Record Document”.

G. Product Data

1. General information required specifically as product data includes manufacturer’s standard printed recommendations for application and use, compliance with recognized standards of trade associations and testing agencies, and the application of their labels and seals (if any), special notation of dimensions which have been verified by way of field measurement, and special coordination requirements for interfacing the material, product or system with other work.

2. Refer to Divisions 15 and 16 for additional general requirements applicable to product data for mechanical and electrical work respectively.

H. Preparation

1. Collect required product data into a single submittal for each unit of work or system. Mark each copy to show which choices and options are applicable to the project. Where product data has been printed to include information on several similar products, some of which are not required for use on the project, or are not included in this submittal, mark the copies to show clearly that such information is not applicable.

2. Where product data must be specifically prepared for required products, materials or systems, because standard printed data is not suitable for use, submit data as “shop drawings” and not as “product data”.

I. Submittals: Product data submittal is required for information and record and to determine that the products, materials and systems comply with the provisions of the contract documents.

Therefore, the initial submittal is also the final submittal, except where the Contracting Officer observes that there is noncompliance with the provisions of the contract documents and returns the submittal promptly to the Contractor marked with the appropriate “Action”.

11.1.2023 SUBMITTALS 01300-4

J. Initial Submittal

1. Except as otherwise indicated in individual sections of these specifications, submit two (2) copies of each required product data submittal, plus two (2) additional copies where required for maintenance manuals. The Contracting Officer will retain one copy, and will return the other marked with “Action” and corrections or modifications as required.

2. Do not submit product data or allow its use on the project until compliance with the requirements of the contract documents has been confirmed by the contractor.

3. Final Distribution: Furnish copies of product data to subcontractors, suppliers, fabricators, manufacturers, installers, governing authorities and others as required for proper performance of the work. Show distribution on transmittal forms.

4. Installation Copy: Do not proceed with installation of materials, products and systems until a copy of product data applicable to the installation is in the possession of the installer. Do not permit the use of unmarked copies of product data in connection with the performance of the work.

K. Samples

1. Submit samples for the Contracting Officer’s visual review of general generic kind, color, pattern, and texture, and for a final check of the coordination of these characteristics with other related elements of the work. Samples are also submitted for quality control comparison of these characteristics between the final sample submittal and the actual work as it is delivered and installed.

2. Refer to individual work sections of these specifications for additional sample requirements, which may be intended for examination or testing of additional characteristics. Compliance with other required characteristics is the exclusive responsibility of the Contractor; such compliance is not considered in the contracting Officer’s review and “Action” indication on sample submittals.

3. Documentation required specifically for sample submittals include a generic description of the sample, the sample source or the product name or manufacturer, compliance with governing regulations and recognized standards. In addition, indicate limitations in terms of availability, sizes, delivery time, and similar limiting characteristics.

4. Refer to Divisions 15 and 16 for additional general requirements applicable to samples for mechanical and electrical work, respectively.

5. Preparation: Where possible, provide samples that are physically identical with the proposed material or product to be incorporated in the work; provide full scale, fully fabricated samples cured and finished in the manner specified. Where variations in color, pattern, or texture are inherent in the material or product represented by the sample, submit multiple units of the sample (not less than 3 units), which show the approximate limits of variations. Where samples are specified for the Contracting Officer’s selection of color, texture or pattern, submit a full set of available choices for the material or product. Mount, display, or package samples in the manner specified to facilitate the review of indicated qualities. Prepare samples to match the Contracting Officer’s sample where so indicated.

6. Refer to individual sections of these specifications for samples which, because of their relatively high cost or other special considerations, are intended to be returned to the Contractor for incorporation in the work. Such samples must be in an undamaged condition at the time of use. On the transmittal form to the Contracting Officer, indicate such special requests regarding the disposition of sample submittals.

L. Submittal

1. At the Contractor’s option, and depending upon the nature of the anticipated response from the Contracting Officer, the initial submittal of samples may be either a preliminary submittal or a final submittal.

2. Preliminary submittal, of a single set of samples, is required where requirements indicate the Contracting Officer’s selection of color, pattern, texture or similar characteristics from a manufacturer’s range of standard choices is necessary. Preliminary submittals will be reviewed and returned with the contracting Officer’s “Action” marking.

3. Final Submittals: submit three (3) sets of samples in the final submittal; one set will be returned.

11.1.2023 SUBMITTALS 01300-5

4. Distribution of Samples: Maintain the final submittal sets of samples, as returned by the contracting Officer, at the project site, available for quality control comparisons throughout the course of performing the work. In addition, final submittal sets may be used to obtain final acceptance of the work associated with each set. Prepare and distribute additional sets of samples to subcontractors, suppliers, fabricators, manufacturers, installers, governing authorities, and others as required for proper performance of the work. Show final distribution on transmittal forms.

5. Mock-Ups and similar samples specified in individual work sections are special types of samples. Comply with sample submittal requirements to the fullest extent possible. Process transmittal forms to provide a record of activity.

M. Miscellaneous Submittals

1. Inspection and Test Reports: Classify each inspection and test report as being either “shop drawings” or “product data” depending on whether the report is specially prepared for the project, or a standard publication of workmanship control testing at the point of production.

Process inspection and test reports accordingly.

N. Records of Actual Work: Furnish four (4) copies of records of actual work, one of which will be returned for inclusion in the record documents as specified in section “Project Closeout”.

O. Standards: Where submittal of a copy of standards is indicated, and except where copies of standards are specified as an integral part of a “Product Data” submittal, submit a single copy of standards for the Contracting Officer’s use. Where workmanship, whether at the project site or elsewhere, is governed by a standard, furnish additional copies of the standard to fabricators, installers and others involved in the performance of the work.

P. Closeout Submittals: Refer to section “Project Closeout” and to individual sections of these specifications for specific submittal requirements of project closeout information, materials, tools, and similar items.

Q. Record Documents: Furnish set of original documents as maintained on the project site. Along with original marked-up record drawings, provide two (2) photographic copies of marked-up drawings, which at the Contractor’s option, may be reduced to not less than half size.

R. Operating and Maintenance Data: Furnish two (2) bound copies of operating data and maintenance manuals.

S. Materials and Tools: Refer to individual sections of these specifications for required quantities of spare parts, extra and overrun stock, maintenance tools and devices, keys, and similar physical units to be submitted.

T. General Distribution: Provide additional distribution of submittals to subcontractors, suppliers, fabricators, installers, governing authorities, and others as necessary for the proper performance of the work. Include such additional copies of submittals in the transmittal to the Contracting Officer where the submittals are required to receive “Action” marking before final distribution.

Record distributions on transmittal forms.

1.6 CONTRACTING OFFICER’S ACTION

A. General: Except for submittals for the record and similar purposes, where action and return on submittals is required or requested, the Contracting Officer will review each submittal, mark with appropriate “Action”, and where possible, return within five (5) days of receipt. Where the submittal must be held for coordination, the Contracting Officer will so advise the contractor without delay.

B. Action Stamp: The Contracting Officer will stamp each submittal to be returned with a uniform,

11.1.2023 SUBMITTALS 01300-6

self-explanatory action stamp, appropriately marked and executed to indicate whether the submittal returned is for unrestricted use, final-but-restricted use(as marked), must be revised and resubmitted (use not permitted) or without action (as explained on AF Form 3000).

C. Final Unrestricted Release: Where the submittals are marked as follows, the work covered by the submittal may proceed provided it complies with the requirements of the contract documents;

acceptance of the work will depend upon that compliance.

Marking “Approved”.

D. Final-But-Restricted Release: When the submittals are marked as follows, the work covered by the submittal may proceed provided it complies with both the Contracting Officer’s notations or corrections on the submittal and with the requirements of the contract documents; acceptance of the work will depend on that compliance.

Marking: “Approved as Noted”.

E. Returned for Resubmittal: When the submittal is marked as follows, do not proceed with the work covered by the submittal, including purchasing, fabrication, delivery, or other activity.

Revise the submittal or prepare a new submittal in accordance with the Contracting Officer’s notations stating the reasons for returning the submittal; resubmit the submittal without delay.

Repeat if necessary to obtain a different action marking. Do not permit submittals with the following marking to be used at the project site or elsewhere where work is in progress.

Marking: “Revise and Resubmit”.

11.1.2023 FIELD PAINTING 09970-1

POTABLE WATER TANKS

SECTION 09970

FIELD PAINTING

POTABLE WATER TANKS

1.1 GENERAL

A. This specification covers preparation of surfaces, performance and completion of painting of all interior and exterior surfaces as specified herein. The existing interior and exterior coatings are considered to be lead-free under current guidelines.

B. All Materials delivered to job site shall be in original sealed and labeled containers of the paint manufacturer.

C. All Materials used in contact with Potable Water must be approved in writing by the NSF\ANSI and by the State of Tennessee Department of Environment and Conservation.

D. Section includes the replacement and/or upgrade of tank accessories including: main vent, interior ladder repair, new safety-climb cable, new water level gauge, sealing all unnecessary penetrations, replacing all insect screens, and recaulking the chime ring. This section also includes the removal of existing cathodic protection elements as well as reducing the height of the existing overflow pipe by 12 in.

1.2 ENVIRONMENTAL CONDITIONS

A. Coatings shall be applied during good painting weather. Air and surface temperatures shall be within limits prescribed by the manufacturer for the coating being applied and work areas shall be reasonably free of airborne dust at the time of application and while coating is drying.

1.3 MATERIALS

A. The basis of design shall be manufactured by the TNEMEC Co., Inc., North Kansas City, Missouri (Local Contact 615-333-1000). Equivalent coating systems to those specified and as manufactured by Sherwin-Williams and Induron are approved for use on this project.

B. Equivalent materials of other manufacturers may be substituted. Submittals shall include the following performance data as certified by a qualified testing laboratory:

1. ASTM B117 - Method of Salt Spray (Fog) Testing

2. ASTM D 4587 QUV Exposure

3. ASTM 4585 - Practice for Testing the Water Resistance of Coatings Using Controlled

Condensation

4. ASTM D4541 - Method for Pull-Off Strength of Coats Using Portable Adhesion Testers

5. ASTM D4060 - Method for Abrasion Resistance of Organic Coatings by the Taber Abraser

6. ASTM D3363 - Method for Film Hardness by Pencil Test

7. ASTM D 870 - Water Resistance of Coatings Using Water Immersion

8. TTM-103 Test for galvanic measurement of zinc rich coatings

9. AWWA D102 - Standard for Painting Steel Water Storage Tanks

10. SSPC PA2- Procedure for determining Conformance to Dry Coating Thickness Requirements.

C. Substitutions which decrease the film thickness, the number of coats applied, change the generic type of coating, or fail to meet the performance criteria of the specified materials will not be approved. Prime and finish coats of all surfaces shall be furnished by the same manufacturer.

11.1.2023 FIELD PAINTING 09970-2

POTABLE WATER TANKS

D. Materials supplied by other manufacturers may be considered for substitution the following prevailing conditions exist:

1. Performance criteria of the specified materials are exceeded by the submitted alternate materials as listed in paragraph 2.01 and detailed on the technical data sheets of each specified product.

2. Substitute materials must be for complete systems and not individual products combined with the specified materials and the performance criteria for all products within a system must meet or exceed the specified materials.

1.4 COLORS

A. Colors, where not specified, shall be as selected by the Contracting Officer’s Representative

(COR).

B. All coatings utilized shall be certified "non-lead" as defined in Part 1303 of the Consumer Product

Safety Act.

1.5 GUARANTEE

A. The contractor shall guarantee his work for a period of one year to the extent that he shall repair any defects due to faulty workmanship or materials which may appear on the structure during this period.

B. A first anniversary inspection shall be conducted in accordance with AWWA D 102 (latest edition).

PART 2 PRODUCTS

2.1 INTERIOR PAINTING (ZINC RICH PRIMER/ EPOXY)

A. SURFACE PREPARATION

1. The entire surface shall be blast cleaned to a Near White Metal Finish, removing all mill scale, rust, dirt, paint or foreign matter by any of the recommended methods outlined in the Society for Protective Coatings Specification SSPC-SP10 to establish a minimum angular blast profile of 1.5 mils.

B. PRIME COAT:

1. Immediately after blasting and before any rusting occurs, apply one coat of Tnemec Series 94 -H20 Hydro-Zinc primer to all bare steel surfaces. The coating shall be applied at 2.5 to 3.5 mils

DFT.

C. PITS & SEAMS

1. After the application of primer, spot fill all pits deeper than 1 /16 inch or less than 1/2 the steel thickness with TNEMEC Series 215 Surfacer until flush with existing surface. An allowance of 100 Sq. In. of Pit Filling is to be included within the base bid price.

2. Seal all backing strips, seams, lap joints above the high-water level where required, with Sika- Flex 1A or equivalent applied after the finish coat has been applied.

3. Pits and seams requiring welding to repair the tank will be ordered in writing by the COR.

Welding shall meet the requirements of AWWA - D 100 standards and be completed prior to the application of any coatings.

D. STRIPE COAT

1. Apply one (1) coat of TNEMEC Series N140-1255 Pota-Pox Plus to all weld seams, edges, corners, bolts, nuts and other difficult to coat areas by brush or roller.

E. FINAL FIELD COAT

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POTABLE WATER TANKS

1. Apply one (1) coat of TNEMEC Series 21-WH16 Off-White Epoxoline applied at 10.0 - 14.0

DFT.

2.2 EXTERIOR FIELD PAINTING (Urethane/ Urethane)

A. SURFACE PREPARATION

1. All exterior surfaces shall be blast cleaned to a Commercial Finish, removing all mill scale, rust, dirt, paint or foreign matter by any of the recommended methods outlined in the Society for Protective Coatings Specification SSPC-SP6 to establish a minimum angular blast profile of 1.5 mils.

B. PRIME COAT

1. Immediately after preparation and before any rusting occurs (within 12 hours maximum) apply one (1) coat of TNEMEC Series 91-H2O or 94-H20 Hydro-Zinc primer to all unpainted areas.

This coating shall be applied at 2.5 - 3.5 mils DFT.

C. INTERMEDIATE COAT

1. Apply one (1) coat of TNEMEC Series 73-Color or 1095 Endura Shield at 2.0 - 4.0 mils DFT.

Color shall be in the same color family as finish coat but visibly different to provide contrast.

D. FIINISH COLOR COAT

1. Apply one (1) coat of TNEMEC Series 700-Color Hydroflon at 2.0 - 3.0 mils DFT.

2.3 ACCESSORY EQUIPMENT AND DEVICES

A. Main Vent - Replace the main finial vent with a new main vent with minimum 6.0 sq. ft. clear opening into tank and equipped with minimum 12 sq. ft. of 32 GA 24 mesh 316 stainless steel insect screen.

B. Replace three rusted rungs on interior tank ladder at the top.

C. Install New Stainless Steel Safe-T climb cable.

D. Replace water level gauge.

E. Remove 12 in. from top of existing overflow pipe.

F. Replace or install new insect screens on all drains and other openings to the tank with 32 GA 24 mesh 316 stainless steel insect screen.

G. Re-caulk chime ring with Sika-grout 328 non-shrink grout or equivalent.

H. Remove cathodic protection system and associated wiring, brackets, cabinets, and equipment.

I. Close by seam welding both interior and exterior, all holes and penetrations in tank roof. Remove all unused nipples flush with roof.

PART 3 EXECUTION

3.1 APPLICATION

A. Materials shall be mixed, thinned and applied according to the manufacturer's printed instructions and in accordance with the latest edition of AWWA D 102.

11.1.2023 FIELD PAINTING 09970-4

POTABLE WATER TANKS

B. Prepare surfaces in accordance with coating system's specifications. Touch up welds, burned and abraded areas with specified primer before applying field coats.

C. Allow each coat to dry thoroughly before applying next coat. Provide adequate ventilation for tank interior to carry off solvents during drying phase.

D. Finish coats shall be uniform in color and sheen without streaks, laps, runs, sags or missed areas.

E. Allow a minimum of seven days curing after application of final coat to tank interior before flushing, sterilizing or filling with water. Consult manufacturer data sheet for specific times at given temperatures.

F. Ventilation for the interior coating shall be in accordance with the latest edition of AWWA

Specification D-102 and in accordance with directions of the COR. Ventilation is to be maintained on a continuous 24 hour per day basis beginning with the initial application of the interior primer coat plus a minimum of 48 hours after completion of the interior painting.

3.2 ACCEPTANCE OF WORK

A. All surface preparation shall be approved by the COR before primer is applied.

B. Request acceptance of each coat before applying next coat.

C. Correct work that is not acceptable and request re-inspection.

D. Contractor shall provide access equipment and necessary inspection equipment including, but not limited to: Dry Film Thickness Gauge, Surface Profile Micrometer and Tape, Surface Thermometers and Holiday tester for the Contracting Officer or the COR to inspect all surfaces during any phase of the painting operation.

3.3 FIELD QUALITY CONTROL

A. Manufacturer's Service:

1. A representative of the paint manufacturer shall be available to provide on-site technical assistance, and guidance for application of the paint system as needed.

3.4 PROTECTION

A. Protect painted areas against damage until paint system is fully cured.

3.5 CONTAINMENT OF MATERIALS

A. The CONTRACTOR shall be responsible to ensure that all cleaning, surface preparation and painting materials are contained within the site by suitable means.

3.6 WASTE MANAGEMENT

A. General Requirements:

1. Remove and dispose of, in a legal manner, all rubbish or other unsightly material leaving the premises in pre-project condition.

2. Place materials defined as hazardous or toxic waste in designated containers and properly dispose of this material off base in accordance with any/all local, state, and federal regulations.

3. Containment as required shall be in accordance with SSPC-Guide 6 (CON), Guide for Containing Debris Generated During Paint Removal Operations.

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POTABLE WATER TANKS

3.7 ONE YEAR ANNIVERSARY INSPECTION

A. COR shall set a date for a one-year inspection.

B. Inspection will be attended by COR and Contractor.

C. Any deficiencies in the coatings system will be repaired at the Contractor’s expense

3.8 STERILIZATION

A. The tank shall be disinfected in accordance with the requirements of the State Health Department and ANSI / AWWA C652-02.

B. Bacteriological samples shall be taken and sent to a state certified lab for testing. If the results are positive, the structure shall be re-sterilized as set out herein above until negative test results are obtained.

C. The structure shall not be placed into service until negative results are obtained.

11.1.2023 EARTHWORK 02200-1

SECTION 02200

EARTHWORK

1.1 SECTION INCLUDES

A. Remove surface debris.

B. Remove topsoil and subsoil.

C. Clear site of plant life and grass.

D. Grading.

1.2 RELATED SECTIONS

A. DIVISION 2 - SITEWORK.

1.3 REFERENCES

A. ASTM C136 - Method of Sieve Analysis for Fine and Coarse Aggregates.

B. ASTM D2487 - Classifications of Soils for Engineering Purposes.

1.4 SUBMITTALS

A. Provide submittals under provisions of Section 01300 and General Conditions.

B. Submit test reports certifying that fill materials comply with specifications.

1.5 QUALITY ASSURANCE

A. Requirements of Regulatory Agencies:

1. Work shall comply with rules and regulations of local and state agencies having jurisdiction.

2. State and local code requirements shall control disposal of debris and excess materials.

1.6 ENVIRONMENTAL REQUIREMENTS

A. When rainy weather conditions necessitate interrupting filling and grading operations, grade and compact the surface to avoid collection of water. Provide adequate temporary drainage to prevent erosion. After interruption, re-establish compaction specified in last layer before resuming work.

B. Conduct earthwork operations so as to prevent windblown dust and dirt and waterborne silt from interfering with the Government's and adjacent property owner's normal operations. Assume liability for all claims related to windblown dust, and dirt caused by this Contractor's work.

1.7 SEQUENCING

A. Sequence operations so as to maintain safe operative conditions and preserve existing work which is to remain.

11.1.2023 EARTHWORK 02200-2

1.8 COORDINATION

1. See Section 01040

1.9 ARCHAEOLOGICAL REQUIREMENTS

A. Should archaeological or human remains be inadvertently discovered during ground-disturbing activities, the Tennessee Air National Guard is legally obligated to cease construction activities and consult with the Tennessee State Historic Preservation Office and American Indian tribes, as appropriate. The Environmental Management Office shall be notified immediately and begin the process of notifying the appropriate agencies to ensure protection of cultural resource.

PART 2 EXECUTION

2.1 INSPECTION

A. The Contractor shall inspect the site and inform himself of actual grades, levels, and other conditions under which work is to be performed.

2.2 TOPSOIL REMOVAL

A. After clearing and grubbing and prior to all other earthwork, in all areas to be cut or filled including the borrow area, remove all of the existing topsoil and soil containing organic matter regardless of the depth, but in no event less than 6 inches below existing ground surface.

B. Stockpile the removed topsoil in an approved location on the project site where the stockpile will not interfere with the project construction, and protect the stockpile from erosion.

2.3 STRIPPING

A. Cut Areas: before excavating in areas (including borrow areas) from which excavated materials will be used as fill materials, strip all grass, weeds, vegetation, roots, trash, and other unsuitable materials from the existing surfaces of the areas to be cut. Remove all unsuitable materials down to the depths required to reach suitable materials, but at least 6-inch depth.

B. Filled areas: before placing fill, strip all grass, weeds, vegetation, roots, trash, and other unsuitable materials from the existing surfaces of the areas to be filled. Remove all unsuitable materials down to the depths required to reach suitable subgrade, but at least to 6 inch depth.

2.4 EXCAVATION

A. General Requirements:

1. Excavate to dimensions and elevations shown or noted with bottoms square and true.

2. Remove debris, old foundations, tree stumps, and loose rocks from bottom of excavation.

3. Shore, brace, sheet, and slope excavations as required to prevent caving, erosion, danger to persons and structures, or interference with construction operations and as required to comply with safety laws.

4. Keep excavations free of water at all times until concrete work or backfilling is complete.

Grade excavated areas to prevent ponding of water.

5. Dispose of excess material off site at no cost to the Government.

B. Over-Depth Excavations: Fill to grade with compacted fill as directed by the Contracting Officer or fill with concrete.

11.1.2023 EARTHWORK 02200-3

2.5 MISCELLANEOUS EARTHWORK

A. Spreading Topsoil and Finish Grading:

1. After completion of rough grading and after substantial completion of other construction operations, spread the stockpiled topsoil to a 4 inch uniform depth over all filled areas and all cut areas, except areas which are covered by buildings, structures, or paving.

2. Before placing the topsoil, remove all construction debris, wood, concrete, and masonry materials, and other unsuitable materials, and scarify the underlying surfaces to at least 2 inch depth. Then spread the topsoil and perform all finish grading to the indicated lines and elevations, to provide smooth and uniform final surfaces.

B. Unsuitable Subgrade:

1. Where the required subgrade elevations are uncompactable or otherwise unstable and will not provide satisfactory support for the structure at the indicated soil bearing values, notify the Contracting Officer immediately. Instructions will be provided with respect to undercutting or stabilization with surge stone and geomat.

2.6 GRADING

A. Begin grading only after debris and construction materials are removed from area concerned.

B. Grade areas to conform to contour lines and elevations indicated. Round abrupt changes in slopes. Regrade any areas that have settled to the required levels. Slope ground away from building walls.

C. Insure finished grades and surfaces drain to area drain, gutters, etc.

D. Prevent erosion of freshly graded areas during construction and until permanent drainage and erosion control measures are installed.

2.7 FIELD QUALITY CONTROL

A. The Contractor shall provide the following:

1. Notify the Contracting Officer 24 hours prior to any fill or backfill operations.

2. Pay costs for additional inspections and tests due to noncompliance with Contract

Documents.

2.8 EROSION CONTROL

1. All erosion control measures shall be installed prior to beginning clearing and grubbing and grading operations.

A. Provide temporary silt fences with hay bales between the project site, including the borrow area, and the adjacent drainage system for the purpose of erosion control.

B. The temporary silt fence shall consist of woven wire fence attached to posts with geotextile fabric attached to the upper grade side of the fence. The geotextile fabric shall be anchored into the soil.

C. Maintain the erosion control structure in satisfactory condition until an approved cover of grass is established to prevent erosion, for the duration of the project, or until removal is approved, whichever occurs first.

11.1.2023 EARTHWORK 02200-4

2.9 FINISHING AND PROTECTION OF SUBGRADE

A. After the subgrade has been substantially completed the full width shall be conditioned by removing any soft or other unstable material which will not compact properly. The resulting areas and all other low areas, holes or depressions shall be brought to grade with suitable select material. Scarifying, blading, rolling and other methods shall be performed to provide a thoroughly compacted subgrade shaped to the lines and grades shown on the plans.

B. Grading of the subgrade shall be performed so that it will drain readily. The Contractor shall take all precautions necessary to protect the subgrade from damage. He/she shall limit hauling over the finished subgrade to that which is essential for construction purposes.

C. All ruts or rough places that develop in a completed subgrade shall be smoothed and recompacted.

D. No subbase, or surface course shall be placed on the subgrade until the subgrade has been approved by the Contracting Officer.

2.10 HAUL

A. All hauling will be considered a necessary and incidental part of the work. Its cost shall be considered by the Contractor and included in the contract unit price for the pay of items of work involved. No payment will be made separately or directly for hauling on any part of the work.

2.11 TOLERANCES

A. General Excavation

1. Excavations shall not exceed 1/10 foot variation from dimensions and elevations shown or noted.

2. Fill and backfill shall be placed within tolerance of plus or minus 1/10 foot.

3. Grading shall be done within plus or minus 1/10 foot typically.

Analysis Report

Client:

Project/Test Address:

NexGen Coating Resources

7469 Whitepine Rd

Telephone: 800.347.4010

Richmond, VA 23237

Environmental Hazards Services, L.L.C.

134th Tang; Alcoa, TN

Client Number:

44-3349

Fax Number:

615-333-1006Laboratory Results

Analyzed Date:

Client Sample Number

Lab Sample Number

Pb (ug/g) ppm

Lead Paint Chip

10/30/2023

10/27/2023

23-10-04159

Reported Date:

Received Date:

Report Number:

730-A Middle Tennessee Blvd.

Suite 2 Mufreesboro, TN 37129

Narrative

ID

10/30/2023

Collection Location % Pb by Wt.

10/19/2023Collection Date:

123-10-04159-001 EXT <50 <0.0050

223-10-04159-002 INT <50 <0.0050

Melissa Kanode

QA/QC Clerk

Analysis Method: EPA SW846 7000B

The Reporting Limit (RL) for samples prepared by ASTM E-1979-17 is 10.0 ug Total Pb. The RL for samples prepared by EPA SW846 3050B is 25.0 ug Total Pb. Paint chip area and results are calculated based on area measurements determined by the client. All internal quality control requirements associated with this batch were met, unless otherwise noted.

LEGEND Pb= lead ug = microgram ppm = parts per million ug/g = micrograms per gram Wt. = weight

Reviewed By Authorized Signatory:

Preparation Method: ASTM E-1979-17

The condition of the samples analyzed was acceptable upon receipt per laboratory protocol unless otherwise noted on this report. Results represent the analysis of samples submitted by the client. Sample location, description, area, etc., was provided by the client. Results reported above in mg/cm3 are calculated based on area supplied by client. This report shall not be reproduced except in full, without the written consent of Environmental Hazards Services, L.L.C.

ELLAP Accredtitation through AIHA LAP, LLC (100420), NY ELAP #11714.

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