Attachment 3 - Specifications.pdf

Division Section Title Pages

SPECIFICATIONS GROUP

DIVISION 01 - GENERAL REQUIREMENTS

01 1000 SUMMARY 1

01 1400 WORK RESTRICTIONS 2

01 2700 MEASUREMENT AND PAYMENT 5

01 3100 PROJECT MANAGEMENT AND COORDINATION 3

01 3300 SUBMITTAL PROCEDURES 4

01 4000 QUALITY CONTROL 3

01 5000 TEMPORARY FACILITIES AND CONTROLS 2

01 7000 EXECUTION REQUIREMENTS 3

01 7700 CLOSEOUT PROCEDURES 3

DIVISION 03 - CONCRETE

03 3053 MISCELLANEOUS CAST-IN-PLACE CONCRETE 4

DIVISION 31 - EARTHWORK

31 1100 CLEARING AND GRUBBING 3

31 2500 EROSION AND SEDIMENTATION CONTROL 3

DIVISION 33 - UTILITIES

33 2100 WATER SUPPLY WELLS 7

END OF TABLE OF CONTENTS

1 N.T.S.

PROPOSED WELLHEAD CONSTRUCTION

FOREST LOCATION MAP

PROJECT LOCATION MAP

TRAVEL DIRECTIONS:

SHEET OF

United States Department of Agriculture Forest Service

LAKE CONASAUGA CAMPGROUND

FROM CHATSWORTH, GA TAKE OLD CCC CAMP ROAD EAST FOR APPROX. 14 MILES. TURN LEFT ONTO FS68 AND HEAD NORTH FOR APPROX. 6 MILES. CONTINUE TO FOLLOW SIGNS FOR LAKE CONASAUGA

ON FS68. TURN RIGHT ON FS68D TO ARRIVE AT CAMPGROUND.

WATER WELL CONSTRUCTION

PREPARED BY:

APPROVED BY:

SOUTHERN REGION ENGINEERING DATE

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Georgia Murray County

Region 8 Chattahooche-Oconee National Forest

Conasauga Ranger District

AutoCAD SHX Text

UNCONSOLIDATED MATERIAL

AutoCAD SHX Text

CONFINING BEDROCK EXTEND CASING MINIMUM 10' BEYOND

AutoCAD SHX Text

FINISH GRADE

AutoCAD SHX Text

1. EXTEND WELL CASING MINIMUM EXTEND WELL CASING MINIMUM 30" ABOVE CONCRETE PAD, INSTALL SANITARY WELL CAP W/ ALL PORTS PLUGGED, SECURE WELL PLATE PER GA-EPD STANDARDS. 2. CONCRETE PAD MINIMUM 6" CONCRETE PAD MINIMUM 6" THICK AND EXTENDING AT LEAST 3' IN ALL DIRECTIONS AROUND CASING, SLOPING AWAY FROM CASING. 3. 6" CASING GROUTED FULL 6" CASING GROUTED FULL LENGTH.

AutoCAD SHX Text

INSTALL DRIVE SHOE ON END OF CASING OPEN BOREHOLE BEYOND END OF CASING

WORK RESTRICTIONS 011400 - 2

PART 2 - PRODUCTS (Not applicable)

PART 3 - EXECUTION (Not applicable)

END OF SECTION 011400

MEASUREMENT AND PAYMENT 012700 - 2

D. Actual Quantities (AQ): These quantities denote completed units of work, as described in the Contract, including all necessary materials, equipment, and labor, to complete the job.

They will be measured in the field.

E. Designed Quantities (DQ) - These quantities denote the final number of units to be paid for under the terms of the contract. They are based upon the original design data available prior to advertising the project. Original design data include the preliminary survey information, design assumptions, calculations, drawings, and the presentation in the contract. Changes in the quantity of units SHOWN in the SCHEDULE OF ITEMS may be authorized under any of the following conditions:

1. As a result of changes in the work authorized by the Contracting Officer.

2. As a result of the Contracting Officer determining that errors exist in the original design data used to determine designed quantities, which cause a pay item to change by 15 percent or more.

3. As a result of the Contractor submitting to the Contracting Officer a written request showing evidence of errors in the original design data used to determine design quantities that cause a pay item total to change by 15 percent or more. The evidence must be verifiable and consist of calculations, drawings, or other data that show how the designed quantity is believed to be in error.

1.5 PAYMENT

A. Payment Includes: Full compensation for all required labor, products, tools, equipment, plant, transportation, services, and incidentals; erection, application, or installation of an item of the Work; overhead and profit.

1. "Incidentals" are to be considered as an additional obligation to the other work required for the item(s). Incidental work is not payable directly but is to be considered included in the contract price for the item(s) of work specified.

2. All work not specifically identified as a separate bid item is "Incidental".

B. The accepted quantities will be paid for at the contract unit price for each item as shown in the Schedule of Items.

C. Payment will not be made for any of the following:

1. Products or construction placed beyond the lines and levels of the required work.

2. Products or construction determined as unacceptable before or after placement.

3. Products wasted or disposed of in a manner that is not acceptable.

4. Products remaining on hand after completion of the Work.

5. Loading, hauling, and disposing of rejected products.

MEASUREMENT AND PAYMENT 012700 - 3

D. DESCRIPTION OF ITEMS

1. WELL DRILLING

a. Description of work: This work shall consist of all equipment, labor, and materials to complete the drilling of the well to the necessary depth required to meet the performance requirements specified in section 332100 or as directed by the COR.

b. Method of Measurement: AQ (800LFT Maximum Estimated Quantity)

c. Pay Unit: Lineal Foot

2. 100 LFT PVC WELL CASING & GROUTING

a. Description of work: This work shall consist of all equipment, labor, and materials to complete the 100LF casing and grouting of the well as specified in section 332100.

b. Method of Measurement: LSQ.

c. Pay Unit: Lump Sum

3. WELL DEVELOPMENT AND TESTING

a. Description of work: This work shall consist of all equipment, labor, and materials to complete the well performance and water quality testing as specified in section 332100. All work required for certification and State permitting shall be included in this item, including but not limited, to collecting water samples, storage, transportation, reports, laboratory fees and all incidentals necessary for water quality analysis testing.

b. Method of Measurement: LSQ

c. Pay Unit: Lump Sum

4. WELL STERILIZATION & TESTING

a. Description of work: This work shall consist of all equipment, labor, and materials to complete the well sterilization after well construction is completed, as specified in section 332100 and in accordance with Georgia EPD.

b. Method of Measurement: LSQ

c. Pay Unit: Lump Sum

5. SURFACE SEAL WELL

a. Description of work: This work shall consist of all equipment, labor, and materials to complete the installation of concrete pad surrounding well head as specified in section 332100 and in accordance with Georgia EPD.

MEASUREMENT AND PAYMENT 012700 - 4

b. Method of Measurement: LSQ

c. Pay Unit: Lump Sum

6. SITE CLEAN-UP & RESTORATION

a. Description of work: This work shall consist of all equipment, labor, and materials necessary to restore the site to as near natural conditions as possible.

b. Method of Measurement: LSQ

c. Pay Unit: Lump Sum

7. MOBILIZATION

a. Description of work: This work shall consist of preparatory work and operations necessary for the movement of personnel, equipment, supplies, and incidentals to the project site, and for all other work and operations that must be performed or that cause costs to be incurred prior to beginning work for the Project Work. The cost of premiums paid for performance and payment bonds are considered incidental to this item and will not be paid for separately.

The maximum price bid for this mobilization may not exceed 10% of the total contract bid price.

b. Method of Measurement: LSQ

c. Pay Unit: Lump Sum.

8. OPTION 1 � SECOND WELL DRILLING

a. Description of work: Repeat Line items 1-5 for the construction and development of second well pending the viability of the first well.

b. Method of Measurement: LSQ

c. Pay Unit: Lump Sum.

9. OPTION 2 � FIRST WELL ABANDONMENT

a. Description of work: Abandon first well if not determined to be not viable.

b. Method of Measurement: LSQ

c. Pay Unit: Lump Sum

MEASUREMENT AND PAYMENT 012700 - 5

END OF SECTION 012700

PROJECT MANAGEMENT AND COORDINATION 013100 - 2

project and the named Superintendent does not have access to the above-mentioned documents, the CO will shut down the project until the are made available, and the Contractor will not be compensated in any way during this shut down.

1.6 CONFERENCES AND MEETINGS

A. Pre-construction Conference: The Contracting Officer or Contracting Officer�s Representative will schedule a pre-construction conference before starting construction at a time and place agreeable and convenient to both the Contractor and Government and will review responsibilities and personnel assignments in accordance with FAR 52.236-26 Preconstruction Conference.

B. Progress meetings at the Project Site shall be conducted at regular interval as determined by the CO and the Contractor. Dates of meetings shall be coordinated with preparation of the payment request in accordance with FAR 52.232-5 Payments under Fixed-Price Construction Contracts.

1. Agenda shall include topics for discussion as appropriate to the status of the Project. Include review of the Contractor's Construction Schedule and of the present and future needs of each entity present.

2. Schedule Updating: If the progress of the work falls behind the approved Contractor�s Construction Schedule, the Contractor shall submit a supplementary schedule for approval by the Contracting Officer in accordance with FAR 52.236- 15 Schedules for Construction Contracts. The CO will keep the Contractor informed of any large group events that may impact certain aspects of work. It is imperative the Contractor provide an accurate Work Schedule to the CO and shall update it whenever the current Work Schedule is not accurate.

1.7 SUBMITTALS

A. Spill and Erosion Control Plans shall be submitted within 5 calendar days after Notice to Proceed.

B. Staff Names: Within 5 calendar days after Notice to Proceed, submit a list of principal staff assignments, including the Superintendent and other primary personnel. Identify individuals by name, duties and responsibilities, home address, and business/cell and home (in case of emergencies after hours) telephone numbers. Post copies of this list in the temporary field office (if present).

C. Construction Schedules shall be submitted as directed in FAR 52.236-15 Schedules for Construction Contracts.

PART 3 - EXECUTION

PROJECT MANAGEMENT AND COORDINATION 013100 - 3

3.1 GENERAL COORDINATION PROVISIONS

A. Inspection of Conditions: Prior to installations, require the installer of each major component to inspect both the substrate and conditions under which work is to be performed.

B. Construction in Progress: Keep construction in progress, adjoining materials in place, and clean during handling and installation. Apply protective enclosures or coverings for protection from damage or deterioration.

C. Completed Construction: Clean completed construction and provide maintenance to prevent damage, soiling or other deterioration through the remainder of the construction period. Adjust and lubricate operable components to assure operability without damage.

D. Limiting Exposures: Supervise construction operations to prevent exposure of any part of construction, completed or in progress, to harmful, dangerous, damaging or otherwise deleterious conditions during the construction period.

END OF SECTION 013100

SUBMITTAL PROCEDURES 013300 - 2

exceeds the originally specified product. If this comparison is not done the first time it is submitted, the proposed product will be rejected AND THE

CONTRACTOR WILL HAVE TO PROVIDE THE SPECIFED PRODUCT. THE

GOVERNMENT WILL NOT REVIEW A SECOND PROPOSAL SUBMITTAL.

4. Transmit each submittal from the Contractor to the CO by use of one transmittal form per submittal. Transmittal format to be approved by CO and shall include the following information on the transmittal form.

a. Project name and Forest Service contract number.

b. Date.

c. Name, address, and telephone number of Prime Contractor.

d. Name, address and telephone number of subcontractor, manufacturer, supplier, etc. as applicable.

e. Category and description of submittal, such as shop drawing, test result, product data, etc.

f. Section of Specifications or Drawing sheet number the Submittal is representing.

g. Certification statement by Contractor stating the submittal complies with the Contract, or statement of deviations from the requirements of the Contract.

h. Signature of transmitter.

i. Space to record Contractor's review and approval markings, and for CO response.

B. Contractor and CO shall determine at the Pre-Construction Conference the manner of how submittals will be submitted. Options include electronic format in a PDF or by submitting two (2) hardcopies of each submittal to the CO for review unless otherwise stated.

1. For PDF option, the Contractor shall electronically submit via email a single PDF that is well organized, legible to read, all pages that are the same size oriented in the same direction, items clearly marked for review, etc. PDFs that are not assembled correctly will not be reviewed by the CO. PDFs that are reviewed will be appropriately stamped by the CO as to Approved, Rejected, Approved with Corrections, Received for Information Only, etc. Once a PDF submittal is approved/reviewed, the Contractor shall print the PDF and keep it in on the job site as required by Section 013100 � Project Management and Coordination.

2. For the hardcopy option the Contractor shall submit by mail two (2) identically complete submittals, each with their own cover sheet. Hardcopy submittal shall be well organized, legible to read, all pages that are the same size oriented in the same direction, items clearly marked for review, etc. Hardcopy submittals that are not assembled correctly will not be reviewed by the CO. Hardcopy submittals

SUBMITTAL PROCEDURES 013300 - 3

that are reviewed will be appropriately stamped by the CO as to Approved, Rejected, Approved with Corrections, Received for Information Only, etc. Once a hardcopy submittal is approved/reviewed, the CO will retain one hardcopy and return the second hardcopy to the Contractor who shall keep it in on the job site as required by Section 013100 � Project Management and Coordination.

1.3 SHOP DRAWINGS AND DESIGNS

A. Submit originally prepared information, drawn accurately to scale.

B. Shop drawing and design submittals shall follow the same procedures as described in 1.2.B with the following requirements:

1. Shop drawings shall be done in AutoCAD format. Upon final approval the drawings shall be sent on a thumb drive or via email to the CO.

2. Specifications shall be done in Microsoft Word format and a copy sent on a thumb drive or via email to the CO.

1.4 PRODUCT DATA

A. Collect Product Data into a single submittal for each system or element of construction such as piping, valves, manholes, etc. Mark each copy to show specific product choices and options applicable to the project. Product Data shall include the following information, where applicable:

1. Manufacturer's printed recommendations.

2. Compliance with recognized trade association standards.

3. Compliance with recognized testing standards.

4. Applicability of testing agency labels and seals.

5. Notation of dimensions verified for fit by field measurements.

6. Notation of coordination requirements.

B. Prior to submittal of complete Product Data, submit a preliminary single copy of that part of Product Data when selection of options is required, such as for color charts.

Preliminary submittal will be returned, with selection noted, for the Contractor's use in subsequent submittals.

C. Material and Product substitution shall be in accordance with FAR 52.211-6 Brand Name or Equal.

1.5 SAMPLES

SUBMITTAL PROCEDURES 013300 - 4

A. Submit full-size, fully fabricated samples, cured and finished in the manner specified.

Samples shall be physically identical to the material or product proposed for use.

B. Where color, pattern, texture or similar characteristics are to be selected from a manufacturer's range of standard choices, submit a preliminary single set sample of available choices when required by the CO.

1.6 OTHER QUALITY ASSURANCE SUBMITTALS

A. Submit other quality assurance submittals in compliance with requirements in the individual specification sections such as concrete test results, sieve analysis, water quality testing, etc.

PART 2 - PRODUCTS (Not applicable)

END OF SECTION 013300

QUALITY CONTROL 014000 - 2

I. The Agency is not authorized to change requirements of the Contract or approve or accept any portion of the Work. The Agency shall not perform any duties of the Contractor.

1.3 QUALIFICATIONS OF INDEPENDENT TESTING AGENCIES

A. A qualified independent testing Agency shall be an accredited entity engaged to perform tests or inspections, and to report on and, if required, to interpret results of those tests or inspections.

1.4 SUBMITTALS

A. The Contractor shall submit a certified written report of each test, inspection or other quality control service to the CO as per Section 013300 Submittal Procedures.

B. Written reports shall include but not be limited to the following:

1. Date of issue.

2. Project title and number.

3. Name, address, and telephone number of testing agency.

4. Dates and locations of samples and tests or inspections.

5. Names of individuals making the test or inspection.

6. Designation of the work and test method.

7. Identifications of product and specification section.

8. Complete test or inspection data.

9. Test results and an interpretation of test results.

10. Ambient conditions at the time of sample taking and testing.

11. Comments or professional opinion on whether tested or inspected Work complies with Contract Document requirements.

12. Name and signature of laboratory inspector.

13. Recommendations on retesting.

C. For the Government's records, submit copies of permits, licenses, certifications, inspection reports, releases, jurisdictional settlements, notices, receipts for fee payments, judgments, correspondence, records, and similar documents, established for compliance with standards and regulations bearing on performance of the Work.

QUALITY CONTROL 014000 - 3

END OF SECTION 014000

TEMPORARY FACILITIES AND CONTROLS 015000 - 2

3.4 OPERATION, TERMINATION, AND REMOVAL

A. Maintain facilities in good operating condition until removal. Each temporary facility shall be removed when need for it has ended.

END OF SECTION 015000

EXECUTION REQUIREMENTS 017000 - 2

C. Existing Utilities and Equipment: The existence and location of underground and other utilities and construction indicated as existing are not guaranteed. Before beginning site work, investigate and verify the existence and location of underground utilities and other construction.

3.2 PREPARATION

A. The Contractor is responsible for all staking, maintaining, and replacing of staking.

B. Furnish information necessary to adjust, move, or relocate existing structures, utility poles, lines, services, or other appurtenances located in or affected by construction.

Coordinate with local authorities having jurisdiction.

C. Take field measurements as required to fit the Work properly.

3.3 INSTALLATION

A. Locate the Work and components of the Work accurately. Make vertical work plumb and horizontal work level. All other piping shall be installed as depicted on the drawings.

B. Install products at the time and under conditions that will produce the optimum results.

C. Conduct construction operations so that no part of the Work is subjected to damaging operations or loading in excess of that expected during normal conditions of occupancy, use or operation.

D. Anchors and Fasteners: Provide anchors and fasteners as required to withstand stresses, vibration and physical distortion. Anchor each component securely in place, accurately located and aligned with other Work.

E. Adjust operating components for proper operation without binding, vibrating, distorting or non- designed movement.

F. Contractor shall consider breaking the construction of the watermain into segments in order to complete construction of one segment, including testing, and then move to the next segment to be constructed.

3.4 CORRECTION OF DEFECTIVE WORK

A. Repair or remove and replace defective construction. Restore damaged substrates and finishes.

B. Repairing includes replacing defective parts, refinishing damaged surfaces, touching up with matching materials, and proper adjustment of operating equipment.

C. Remove and replace damaged surfaces that are exposed to view if the surfaces cannot be repaired without visible evidence of repair.

EXECUTION REQUIREMENTS 017000 - 3

D. Repair components that do not operate properly. Remove and replace operating components that cannot be repaired to operate properly.

E. Remove and replace chipped, scratched, dented or broken surfaces.

3.5 CLEANING

A. Maintain the project site and work areas free of waste material and debris.

B. Clean areas where Work is in progress to the level of cleanliness necessary for proper execution of the work.

C. Remove liquid spills promptly.

D. Remove debris from concealed spaces prior to enclosing the space.

E. No burial of debris, garbage, etc. is allowed in any excavation.

F. Clean exposed surfaces and protect as necessary to ensure freedom from damage and deterioration at the time of project completion.

3.6 PROTECTION

A. Protect installed work from soiling and damage.

B. Provide appropriate protective coverings for work that might be damaged by subsequent operations. Maintain protective coverings in place until project completion.

END OF SECTION 017000

CLOSEOUT PROCEDURES 017700 - 2

shown. Mark all drawings that are affected by the variation(s) fully and accurately.

Where Shop Drawings are used, record a cross-reference at the corresponding location on the Contract Drawings. Give particular to concealed and buried elements that would be difficult to measure and record at a later date. These record Drawings shall be a part of the Operation and Maintenance manuals and reviewed in the field during the Commissioning. If these plans are inaccurate or incomplete, the Contractor shall correct and resubmit the Operation and Maintenance manuals.

B. Record Product Data: Maintain one copy of each Product Data submittal. Note related Change Orders and markup of Record Drawings and Specifications.

1. Mark these documents to show significant variations in actual Work performed in comparison with information submitted. Include variations in products delivered to the site and from the manufacturer�s installation instructions and recommendations.

2. Give particular attention to concealed products and portions of the Work that cannot otherwise be readily determined later by direct observation.

3. Include all submittals of Product Data in the Operation and Maintenance manuals, sequentially numbered with a proper index.

1.4 OPERATION AND MAINTENENACE MANUALS

A. There shall be two (2) complete copies of the O&M manuals. Organize the operation and maintenance data and bind properly indexed data in individual, heavy-duty, 2-inch (51 mm), 3- ring, vinyl-covered binders, with pocket folders for folded sheet information. Mark appropriate identification on front and spine of each binder. This manual shall also be scanned to a SINGLE PDF project file and provided to the CO.

THIS SHALL BE PROVIDED PRIOR TO PROJECT CLOSEOUT. Include the following types of information.

1. Contact information for prime contractor, subcontractors and suppliers who performed the original work. Clearly indicate who did what work and who supplied what products.

2. Emergency instructions and contact info.

3. Shop Drawings and Product Data.

4. Piping/Wiring diagrams.

5. Spare parts lists.

6. Copies of warranties.

7. As-built drawings

CLOSEOUT PROCEDURES 017700 - 3

3.1 FINAL CLEANING

A. Contractor shall not burn waste materials, nor bury debris or excess materials on Government property. Do not discharge volatile, harmful, or dangerous materials into drainage or septic systems. Remove all debris and waste materials from the site and dispose of it lawfully off of Government property. Clean all surfaces soiled by Contractor to leave the site in pre-construction conditions. This includes all staging areas used by the Contractor and areas of the project the Contractor performed work.

Contractor shall remove all of their equipment, materials that are not Government property, temporary facilities, field offices, etc. prior to the Final Inspection unless other arrangements have been made in writing with the CO.

END OF SECTION 017700

MISCELLANEOUS CAST-IN-PLACE CONCRETE 033053 - 2

C. Normal-Weight Aggregate: ASTM C 33/C 33M, 1-1/2-inch nominal maximum aggregate size.

D. Chemical Admixtures: Certified by manufacturer to be compatible with other admixtures and that do not contribute water-soluble chloride ions exceeding those permitted in hardened concrete. Do not use calcium chloride or admixtures containing calcium chloride.

E. Water: Potable

2.4 FIBER REINFORCEMENT

A. Synthetic Micro-Fiber: 1/2 to 1-1/2 inches long.

2.5 RELATED MATERIALS

A. Joint-Filler Strips: ASTM D 1751, asphalt-saturated cellulosic fiber, or ASTM D 1752, cork or self-expanding cork.

2.6 CURING MATERIALS

A. Absorptive Cover: AASHTO M 182, Class 3, burlap cloth or cotton mats.

B. Moisture-Retaining Cover: ASTM C 171, polyethylene film or white burlap-polyethylene sheet.

C. Water: Potable.

2.7 CONCRETE MIXTURES

A. Comply with ACI 301.

B. Normal-Weight Concrete:

1. Minimum Compressive Strength: 4000 psi at 28 days.

2. Slump Limit: 4 inches, plus or minus 1 inch.

3. Air Content: 4% - 7%

C. Synthetic Fiber: Uniformly disperse in concrete mix at manufacturer's recommended rate, but not less than a rate of 1.0 lb/cu. yd..

2.8 CONCRETE MIXING

MISCELLANEOUS CAST-IN-PLACE CONCRETE 033053 - 3

A. Project-Site Mixing: Measure, batch, and mix concrete materials and concrete according to ASTM C 94/C 94M. Mix concrete materials in appropriate drum-type batch machine mixer.

1. For mixer capacity of 1 cu. yd. or smaller, continue mixing at least 1-1/2 minutes, but not more than 5 minutes after ingredients are in mixer, before any part of batch is released.

2. For mixer capacity larger than 1 cu. yd., increase mixing time by 15 seconds for each additional 1 cu. yd.

3. Provide batch ticket for each batch discharged and used in the Work, indicating Project identification name and number, date, mix type, mix time, quantity, and amount of water added. Record approximate location of final deposit in structure.

PART 3 - EXECUTION

3.1 FORMWORK INSTALLATION

A. Design, construct, erect, brace, and maintain formwork according to ACI 301.

3.2 EMBEDDED ITEM INSTALLATION

A. Place and secure anchorage devices and other embedded items required for adjoining work that is attached to or supported by cast-in-place concrete. Use setting drawings, templates, diagrams, instructions, and directions furnished with items to be embedded.

3.3 STEEL REINFORCEMENT INSTALLATION

A. Comply with CRSI's "Manual of Standard Practice" for fabricating, placing, and supporting reinforcement.

3.4 JOINTS

A. General: Construct joints true to line with faces perpendicular to surface plane of concrete.

B. Construction Joints: Install so strength and appearance of concrete are not impaired, at locations indicated or as approved by the CO.

3.5 CONCRETE PLACEMENT

A. Comply with ACI 301 for placing concrete.

B. Before test sampling and placing concrete, water may be added at Project site, subject to limitations of ACI 301.

MISCELLANEOUS CAST-IN-PLACE CONCRETE 033053 - 4

C. Consolidate concrete with mechanical vibrating equipment according to ACI 301.

3.6 FINISHING FORMED SURFACES

A. Related Unformed Surfaces: At tops of walls, horizontal offsets, and similar unformed surfaces adjacent to formed surfaces, strike off smooth and finish with a texture matching adjacent formed surfaces. Continue final surface treatment of formed surfaces uniformly across adjacent unformed surfaces unless otherwise indicated.

3.7 FINISHING UNFORMED SURFACES

A. General: Comply with ACI 302.1R for screeding, restraightening, and finishing operations for concrete surfaces. Do not wet concrete surfaces.

B. Screed surfaces with a straightedge and strike off. Begin initial floating using bull floats or darbies to form a uniform and open-textured surface plane before excess moisture or bleedwater appears on surface.

1. Do not further disturb surfaces before starting finishing operations.

C. Slip-Resistive Broom Finish: Apply a slip-resistive finish to surfaces indicated and to exterior concrete platforms, steps, and ramps. Immediately after float finishing, slightly roughen trafficked surface by brooming with fiber-bristle broom perpendicular to main traffic route.

3.8 CONCRETE PROTECTING AND CURING

A. General: Protect freshly placed concrete from premature drying and excessive cold or hot temperatures. Comply with ACI 306.1 for cold-weather protection and with ACI 301 for hot-weather protection during curing.

B. Begin curing after finishing concrete but not before free water has disappeared from concrete surface.

C. Curing Methods: Cure formed and unformed concrete for at least seven days by one or a combination of the following methods:

1. Moisture Curing: Keep surfaces continuously moist for not less than seven days with the following materials:

a. Water.

b. Continuous water-fog spray.

c. Absorptive cover, water saturated, and kept continuously wet. Cover concrete surfaces and edges with 12-inch lap over adjacent absorptive covers.

END OF SECTION 033053

CLEARING AND GRUBBING 311100 - 2

1. Any tree and stump removed that is equal to 24� to 36� diameter breast height (DBH). This includes all tree removal activities including cutting, chipping, moving of wood that remains, removing merchantable timber, removing stumps, backfilling stump voids, cleanup, etc.

PART 2 - PRODUCTS (Not applicable)

PART 3 - EXECUTION

3.1 PREPARATION

A. Ensure proper soil erosion protection is placed or ready to be placed as soon as clearing and grubbing is performed.

B. Minimize interference with occupied or used facilities/roads during site-clearing operations.

C. Minimize damage to trees and vegetation that is to remain. Trees that are damaged to the extent that the CO determines they will be a future hazard will be removed by the Contractor at no additional expense to the Government.

D. Clearing and grubbing operations next to or that can reach improvements such as pavement, existing utilities, buildings, etc. shall be accomplished without damage to existing structures that are scheduled to remain. Damaged structures shall be completely repaired to their preconstruction condition by the Contractor at no additional expense to the Government.

E. The limits of clearing and grubbing shall be held to the minimum required to install the water main and other necessary project work. Preservation of vegetation at the site is important. Reroute around obstructions such as trees, landscape features, etc. when feasible.

F. All routes for installation of the watermain, staging areas, temporary access routes, etc.

must be approved by the CO prior to any clearing and grubbing operations.

G. In various locations along the new water main route, there are areas designated sensitive areas. Removal of trees in these specific areas are to be kept to a minimum and the Contractor shall work closely with the CO to identify these specific trees and to make non-monetary water main alignment adjustments as can practically be made.

3.2 SITE CLEARING

A. Remove obstructions, trees, shrubs, grass, and other vegetation to permit installation of new construction. This includes removal of vegetation alongside of excavations where excavated/backfill material is stockpiled for reuse. Vegetation material, wood of any size, roots, leaves, brush, etc. will not be allowed to be placed in the backfill.

CLEARING AND GRUBBING 311100 - 3

B. Vegetation equal to or less than 6� in diameter measured outside of bark to outside of bark shall be chipped on site with chips blown/spread at least 10� past the centerline of the installed water main. Material larger than 6� can be left on site but must be moved so it is between 25� and 50� past the centerline of the installed water main. This material must be cut so it is no higher than 3� above the ground and not piled. There is no burning allowed! Material that is larger than 6� is the Contractor�s property, including merchantable timber, and can be removed from the site at the Contractor�s expense.

Removal operations for this merchantable timber shall be coordinated with the CO and shall in no way compromise new or existing infrastructure that is to remain.

C. All stumps shall be removed and properly disposed of off of Government property. This includes stumps that are removed if trees are pushed over or are removed after the tree is cut off. Stumps shall be cut off at the bottom of the main boll. No stumps will be allowed to remain attached to trees that are left on site. If the CO determines a stump can remain in the ground after a tree has been cut off, the stump must be cut off flush to the ground.

D. Clearing restrictions � The Contractor must verify with the CO of any clearing restrictions.

3.3 DAMAGED TREES TO REMAIN

A. Treatment of damaged (scarred) trees shall be done by applying a tree wound compound in accordance with the manufacturer�s instructions.

B. Operators, who continuously damage trees that are not required to be removed, will be barred from the jobsite and notification will be provided to the Contracting Officer.

END OF SECTION 311100

EROSION AND SEDIMENTATION CONTROL 312500 - 2

C. Commercial Matting Products: Erosionet, Holdgro, Weedcheck, Curlex or approved equal. Product must cover minimum of 30% of soil surface. Erosion control matting must be �Snake friendly�.

PART 3 - EXECUTION

3.1 GENERAL

A. Provide temporary and permanent erosion and sediment control items as required by governing agency, as required by permit, as indicated on the plans, as noted in this Specification.

3.2 INSTALLATION

A. Install temporary erosion and sediment control items prior to clearing and commencing earthwork or as soon as practical as sitework progresses.

3.3 TEMPORARY ACCESS ROUTES AND CONTRACTOR STAGING AREAS

A. Locate access routes where indicated on the Drawings or as approved by the CO and local authority having jurisdiction over public roads in vicinity of site. Locate staging areas where indicated or as approved by the CO.

3.4 FILTER FABRIC BARRIERS

A. Construct where indicated or otherwise required by grading operations to reduce sediment content or runoff.

B. The height of a filter barrier shall be 36� or as shown on the Drawings.

C. Filter barrier geotextile shall be purchased in a continuous roll and cut to the length of the barrier to avoid the use of joints.

D. The stakes shall be spaced a maximum of 3 feet apart at the barrier location and driven securely into the ground (minimum of 8 inches).

E. A trench shall be excavated approximately 4 inches wide and 4 inches deep along the line of stakes and upslope from the barrier.

F. The filter material shall be stapled to the wooden stakes, and 8 inches of the fabric shall be extended into the trench. Heavy duty wire staples at least 1/2 inch long shall be used. Filter materials shall not be stapled to existing trees.

G. The trench shall be backfilled and the soil compacted over the filter material.

EROSION AND SEDIMENTATION CONTROL 312500 - 3

H. If a filter is to be constructed across a ditch line or swale, the barrier shall be of sufficient length to eliminate end flow, and the plan configuration shall resemble an arc or horseshoe with the ends oriented upslope.

I. Filter barrier shall be removed when they have served their useful purpose, but not before the upslope area has been permanently stabilized.

J. Contractor shall maintain all erosion and sediment control items until final project acceptance. Contractor shall repair breaches and replace deteriorated or missing items immediately after discovery at no additional cost to the Government.

K. Sediment deposits shall be removed when deposits reach approximately one-third the height of the barrier.

L. Any sediment deposits removed from the barrier during operator or remaining in place after the silt fence or filter barrier is no longer required shall be either removed from the site and properly disposed of off of Government property or, at the direction of the CO, dressed to conform with the existing grade, prepared, and seeded.

M. Filter barrier shall be removed when they have served their useful purpose, but not before the upslope area has been permanently stabilized. Remove temporary erosion control items as directed by the CO and prior to Project close- out.

END OF SECTION 312500

332100 - 1

Lake Conasauga Water Well Chattahoochee-Oconee National Forest

Specifications

SECTION 332100 - WATER SUPPLY WELLS

PART 1 - GENERAL

1.1 DESCRIPTION OF WORK

A. This section covers drilling and all water well work necessary for the purpose of producing a supply of water in accordance with these specifications. The desired yield is a minimum of 5 GPM.

1.2 DRILLING REQUIREMENTS

A. Well Design Capacity: Minimum yield of 5 GPM maintaining constant head during 24- Hour Drawdown.

B. Well Depth: Minimum of 100 ft and maximum of 800 feet. The contractor shall not drill past the depth set up in the Bid schedule without a written order from the COR. If 5 GPM water bearing strata hit before 800 feet, then strata may be developed upon approval by COR.

C. Turbidity of water less than 2 NTU and absence of E.coli bacteria.

D. Well Casing Minimum of 100 feet below grade and 10 feet into bedrock, whichever is greater.

1.3 SUBMITTALS

A. Project Record Documents: Record the following data for each water supply well:

1. Casings: Material, diameter, thickness, weight per foot of length, and depth below grade.

2. Pumping Test: Static water level, maximum safe yield, and draw down at maximum yield.

3. Log: Formation log indicating strata encountered.

4. Certification that well is aligned and plumb within specified tolerances.

5. Water Quality: Sampling Results for Required Parameters

WATER SUPPLY WELLS 332100 - 2

B. Water Disposal Plan: Plan for disposal of water used for testing and disinfection.

1.4 QUALITY ASSURANCE

A. Regulatory Requirements

1. Contractor to obtain, pay and comply with all permits, testing, inspection fees, etc., as required by Murray County and GA EPD.

2. Drill the wells in the sites approved by GA EPD.

3. Submit Notice of Intent to Drill a Well and Well Completion Data Forms to Murray County and GA EPD.

B. Conform to applicable governing referenced Standards for materials and installation of the work of this Section. In the event of a conflict between the Contract drawings/specifications and the referenced Standards, the more stringent shall govern.

No extra charges will be allowed for any changes necessary for compliance.

C. Well driller shall be experienced and licensed in the State of Georgia. The person constructing the well shall be a licensed water well contractor in the State of Georgia in accordance with the provisions of the Water Well Standards Act of 1985 (O.C.G.A. § 12-5-120, et. seq.). The contractor must maintain accurate driller logs, material setting and grouting data, complete results of the pump test, including water level measurements, and furnish a signed copy of the results to the COR and GA EPD.

D. Comply with American Water Works Association (AWWA) A100.

E. All materials in contact with potable water shall be certified Lead Free by NSF/ANSI Standard 372 or NSF/ANSI Standard 61, Annex G.

1.5 DELIVERY, STORAGE, AND HANDLING

A. Inspection: Accept materials in original packaging and inspect for damage.

B. Storage:

1. Store materials according to manufacturer instructions.

2. Do not place pipe materials in areas of pedestrian or vehicle traffic.

C. Protection:

1. Protect materials until they are to be installed.

WATER SUPPLY WELLS 332100 - 3

1.6 COORDINATION

A. The Contractor shall acquire all necessary permits from Murray County and GA EPD prior to drilling.

1.7 ON SITE FACILITIES

A. There are no utilities available at the job site. The Contractor must furnish his/her own water, electrical generator, and sanitation facility.

PART 2 - PRODUCTS

2.1 PVC PIPE CASING AND GROUTING

A. The well shall be of drilled and cased type. The casing shall have a nominal diameter of 6.25 inches. Pipe will be new Solvent Weld Bell End SDR-21 PVC Well Casing. All casing must be new and adequate to protect the well against entrance of contaminants during the expected life of the well. All casing and liner pipe joints shall be watertight the entire length in drilled wells.

B. The plastic well casing shall meet the requirements of the ASTM Standard F 480 or equal standard and the National Sanitation Foundation standard for use with potable water. Casing shall be properly stored in a clean area free from exposure to direct sunlight. The 6.25 -inch plastic well casing shall conform to the 0.39” minimum wall thickness. The plastic well casing shall not extend to a depth of greater than 300 feet below the ground surface. Casing shall not be driven.

C. The outer, permanent, protective casing shall extend at least ten (10) feet into the first solid, unweathered or impervious subsurface rock strata encountered, and shall have a minimum depth of one hundred (100) feet.

D. The wall thickness of the cement grout surrounding the outer, permanent, protective casing shall be not less than one and one-half (1-1/2) inches at any point. Other grouting materials for sealing the annular space may be used upon the approval of the GA EPD and the COR prior to well construction.

2.2 LOCKING WELL HOUSE/PVC ROCK

A. Provide Dekorra 60 in L X 48 in W X 41 in H Extra Large Plastic Cover in Gray (or equivalent) to conceal and protect well assembly.

B. Secure plastic cover using fittings and lock with yale key.

3.1 INSTALL PERMANENT CASING

WATER SUPPLY WELLS 332100 - 4

A. Install first section of casing with driving shoe of an OD slightly larger than casing. Join casing and liners round, plumb, and true to line. Install permanent casing to a height 30 inches above finished grade. Install sanitary well seal and cap. Install cover plate with well construction information such as depth of well, date drilled, and driller.

3.2 INSTALL GROUT SEAL

A. Mix grout and place slowly and continuously from the bottom up, to ensure filling of annular space in one operation. Do not perform other operations in the well within 72 hours after grouting of casing. When quick-setting cement is used, this period may be reduced to 24 hours.

B. The outer, permanent, protective casing shall be cement grouted its entire length with a cement slurry consisting of not more than six (6) gallons of water to one cubic foot of cement, plus standard additives, when necessary, to facilitate placing or setting. The neat cement shall conform to ASTM Standard C150.

C. The outer protective casing shall be provided with sufficient guides or centralizers attached or welded to the casing to permit unobstructed flow and uniform thickness of grout.

D. The guides or centralizers shall be attached to the bottom of the casing and at intervals not greater than 25 feet.

E. The grout shall be placed under pressure by a positive displacement method, such as pumping, from the bottom of the annular space upward until the grout is extruded at the earth's surface in one continuous operation.

F. Any ground water of unacceptable quality encountered during the well construction must be sealed off.

3.3 FINAL WELL DEPTH

A. The COR after conference with the Contractor, will decide the final well depth to be drilled, quantity, and location of casing.

3.4 DISINFECTION OF THE WELL

A. The well must be cleaned and disinfected prior to the pumping test by the introduction of a chlorine solution having a concentration of not less than 100 mg/L. The solution shall remain in the well for at least 24 hours. Chlorination is considered an incidental part of the job and no extra payment will be made.

B. After disinfection, the well must be pumped until no trace of chlorine remains in the water, and water samples taken for microbiological analysis. No water may be furnished for human consumption until samples of water are collected by the supplier, and submitted to the Division for microbiological examination, and the quality of the water approved by GA EPD. If the water samples submitted are found to be

WATER SUPPLY WELLS 332100 - 5

unsatisfactory, the disinfection procedure must be repeated until approved by GA EPD and COR.

C. The pump and pumping equipment shall be disinfected with a chlorine solution prior to being used.

3.5 24-HOUR YIELD AND DRAWDOWN TEST

A. Notification to Test Well: When the COR estimates a well will produce the required flow, the Contractor will be notified to discontinue well development, and pumping test will be conducted.

B. Test Pump- The test pump should have a capacity at least 1.5 times the flow anticipated at maximum anticipated drawdown. The well shall be test pumped at not less than the desired yield for a period of at least twenty-four (24) hours and shall continue for at least four (4) hours after the pumping level has stabilized.

C. The Step Drawdown Method is preferred for consolidated rock formations. It involves the wellbeing "step" tested at rates approximately 1/2, 1, and 1-1/2 times the design capacity of the well. The test pump shall be capable of pumping 150 percent of the desired yield of the well.

D. The pumping equipment shall be capable of operating continuously without interruption for the maximum period of the test.

E. The following data shall be submitted to the COR:

1. Test pump capacity-head characteristics

2. Static water level

3. Depth of test pump setting

4. Time of starting and ending each test cycle

F. A report shall be submitted which provides recordings and graphic evaluation of the following at one-hour intervals or less to the COR: pumping rate; pumping water level;

drawdown; and water recovery rate and levels.

G. Submit the 24-Hour pump test for the well, completed and signed by a GA licensed water well contractor, in accordance with the provisions of the GA Water Well Standards Act to the COR.

3.6 WELL COMPLETION DATA FORM

WATER SUPPLY WELLS 332100 - 6

A. Submit a Well Completion Data Form for the well, completed and signed by a GA licensed water well contractor, in accordance with the GA Water Well Standards Act to the COR.

3.7 WATER ANALYSIS TESTING

A. Physical and chemical screening of the raw water must be tested and analyzed by a laboratory approved by GA EPD for the following parameters: Total Dissolved Solids, Nitrate (as N), pH, Zinc, Fluoride, Turbidity (NTU), Alkalinity (as CaCO3),Nitrite (as N), Iron, Manganese, Carbon Dioxide, Hardness (as CaCO3), Total Nitrate & Nitrite (as N), Chloride, Sulfate, and Color (color units). Include the design engineer on record, J.Ortiz, PE contact information on sampling form. Results must be submitted to COR.

B. A raw water sample at each well must be taken for microbial analysis by a laboratory approved by GA EPD. Include the design engineer on record, J.Ortiz, PE contact information on sampling form. Results must be submitted to COR.

C. A raw water sample at each well must be taken for radiological analysis by a laboratory approved by GA EPD. Results must be submitted to COR.

3.8 STOPPAGE DURING CONSTRUCTION

A. During the periods of stoppage of the well construction and when the site is unattended, the drilling contractor must have the well opening securely covered to prevent tampering and possible contamination.

3.9 SANITARY CONDITIONS

A. During the well construction, the premises, construction material, tools and equipment must be maintained in a sanitary manner to prevent contamination of the well by the person excavating the well. Retain temporary well cap until construction is completed.

Install Dekorra Plastic Cover or equivalent structure with lock to prevent contamination from tampering or rainwater after well construction complete.

3.10 CONCRETE SLAB

A. A concrete slab with a minimum thickness of (6) inches shall be constructed around the well casing and shall extend at least three (3) feet in all directions, and slope away, from the casing.

3.11 ABANDONMENT OF NEW WELL

A. If the COR should order the drilling and development of the well discontinued because it is yielding insufficient water, the well shall not be cased, and no payment for casing not yet installed will be made. Casing already in place may be left in place after being cut off three feet below grade. Contractor to plug hole in accordance with GA EPD requirements.

WATER SUPPLY WELLS 332100 - 7

3.12 CLEANUP

A. Leave site in as near a natural condition as possible.

END OF SECTION 332100