MacPtWellhouseSpecsandPlansReduced.pdf

SPECIFICATIONS

FOR

CONSTRUCTION OF WELLHOUSE

AT

MAC POINT SWIM AREA

POLK COUNTY, TENNESSEE

CHEROKEE NATIONAL FOREST

SPECIFICATION INDEX

DIVISION 1 - GENERAL REQUIREMENTS

01010 Summary of Work 01050 Field Engineering 01300 Submittals 01450 Quality Control

DIVISION 2 - SITE WORK

02050 Selective Demolition 02102 Clearing & Grubbing 02210 Site Grading 02220 Structural Excavation 02315 Trenching, Backfilling and Compaction for Utilities 02225 Building Demolition 02250 Compaction Control and Testing 02540 Erosion and Sedimentation Control 02550 Site Utilities 02660 Water Distribution System 02931 Seeding & Mulching

DIVISION 3 - CONCRETE

03100 Concrete Formwork 03200 Concrete Reinforcement 03300 Cast-in-Place Concrete

DIVISION 4 - MASONRY

04150 Masonry Accessories 04220 Concrete Unit Masonry

DIVISION 5 - METALS

05500 Metal Fabrications

DIVISION 6 - WOOD AND PLASTICS

06100 Rough Carpentry 06200 Finish Carpentry

DIVISION 7 - THERMAL AND MOISTURE

07110 Membrane Waterproofing 07210 Building Insulation 07610 Manufactured Roof Panels 07620 Flashing and Trim 07920 Sealants and Caulking

DIVISION 8 - DOORS AND WINDOWS

08210 Metal Doors 08710 Finish Hardware

DIVISION 9 FINISHES

09900 Painting

DIVISION 15 - MECHANICAL

15020 Codes and Standards

DIVISION 16 - ELECTRICAL

16010 Basic Electrical Requirements 16100 Basic Materials and Methods 16402 Underground Electrical Service

SECTION 01010

SUMMARY OF WORK

PART 1 - GENERAL

A. The Contractor shall provide all supervision, labor, equipment and supplies for the complete construction of a pumphouse and related utilities at the Mac Point Campground on the Ocoee Ranger District, Polk County, Tennessee.

1. Work shall include selective demolition (existing pumphouse, steel reservoir and waterline), clearing, grubbing, site grading and construction of a new pumphouse and associated utilities.

B. Storage of Materials

1. The Contractor may store materials and equipment at the work site at their own risk. All materials must be kept in an area designated by the COR and be neat and orderly.

2. The Contractor shall install barricades or construction fencing around all open excavations and storage areas.

C. Construction Schedule

A proposed schedule of work for the project shall be submitted to the C.O. for approval within 5 days of issuance of the Notice to Proceed. The schedule shall minimize conflict between construction activities and planned use of the area by the Forest Service.

1. Construction may not begin until after October 1.

2. The site will remain closed to the public for the duration of the project.

D. Existing Facilities

1. Government provided sanitary facilities are not available.

2. Secondary electrical service is available.

3. Potable water is not available.

E. Safety

1. Contractor shall provide, install, and maintain the necessary hazard markers, barricades, signs, or lights that will adequately delineate the construction area and keep public traffic out of the construction area. No trenches shall be left open overnight.

2. Electrical switches shall be locked in the “OFF” position.

3. All safety fences shall be put back up at the end of every work day.

F. Project Closeout

1. Instruction of Government Personnel in use of facilities

a. It is the responsibility of the Contractor to see that the proper manufacturer's representative, Sub- Contractors, Contractor's Superintendents, etc., are available at completion of the job and before occupancy to provide instructions in the use of all facilities and equipment and to train personnel in the proper use and maintenance of the building, equipment controls, switches, valves, etc.

2. Operating and Maintenance Manuals

a. The Contractor shall furnish the following:

1. Instructions for maintenance of all systems.

2. Copies of hardware schedule.

3. Shop drawings and brochures on all special items and equipment.

4. Three copies of the complete operating and maintenance manual for mechanical and electrical equipment. The bound manual shall contain the following:

(1) Word description of the systems.

(2) General operating instructions, including copies of posted specific instructions.

(3) Maintenance instructions, followed by tabulated manufacturer's descriptive literature, shop drawings, performance curves and rating data, spare parts lists, and maintenance manuals.

(4) Warranties.

G. Workmanship

1. The Contractor shall install all work in a “workman like” manner. If the installation method for any items of work is not covered under the related specification the Contractor must follow the recommendations of the manufacturer.

SECTION 01050

FIELD ENGINEERING

1.01 WORK INCLUDED

A. The locations of all proposed new work relative to existing features are indicated on the construction drawings.

B. Bench marks for vertical control and centerline station stakes for some utilities will be provided by the

C.O.R.

C. Construction staking shall be the responsibility of the Contractor. Staking for any part of the work shall be approved by the COR prior to commencing construction on that part.

D. The Contractor shall be responsible for maintaining all survey control points during the construction period.

SECTION 01300

SUBMITTALS

A. The Contractor shall be required to furnish submittals on items he proposes to use other than the brand names listed in the specifications or noted on the drawings. Submittals shall be made within fifteen (15) days prior to commencing any work that relates to a respective submittal.

B. The Contractor shall submit one set of the manufacturer's description of all proposed "or equals" proposed in lieu of name brands specified. This description shall include:

1. Product name and model number

2. Manufacturer

3. Product description

4. Technical data

5. Warranty

B. In accordance with the cited references of the Federal Acquisition Regulations (FAR) Clause 52.236- 21, the Contractor shall be required to furnish the following to the COR prior to commencing any work that relates to a respective submittal. (3 copies of all submittals required).

1. Finish Hardware

2. Plumbing Equipment Data and Drawings

3. Electrical Equipment Data and Drawings

C. Other submittals (in quantities indicated) are required as identified in these specifications.

D. Submittals shall not be considered approved until the Contractor has received approval in writing from the COR.

SECTION 01450

QUALITY CONTROL

PART 1 GENERAL

A. The work shall consist of providing quality control in conformance with the Inspection of Construction provisions of this contract to ensure compliance with the drawings, specifications, and provisions of the contract. The Contractor shall provide all personnel, equipment, tests, and reports to meet the requirements of this specification.

PART 2 PRODUCTS

Not Used

PART 3 EXECUTION

3.01 QUALITY CONTROL SYSTEM

A. The Contractor shall provide and maintain a quality control system that will ensure that all services, supplies, and construction required under this contract conform to the contract requirements.

B. The contractor shall perform, or cause to be performed the sampling, inspection, and testing required substantiating that all supplies, services, and construction conform to the contract requirements.

3.02 QUALITY CONTROL PLAN

A. The contractor shall submit in writing the following:

1. Authorities and responsibilities of inspection and testing personnel.

2. Experience and qualifications of inspection and testing personnel to be assigned and location of any (for hire) testing facility to be used.

B. The contractors proposed quality control plan shall be submitted to the C.O.R for review prior to the contractor commencing work. The C.O.R shall approve or disapprove the plan within 5 working days.

Construction work shall not begin prior to the contractor's receipt of written approval of the quality control plan.

C. The contractor shall submit to the C.O.R in writing any proposed changes to the approved plan. Proposed changes shall not be put into effect until approved in writing by the C.O.R.

3.02 SAMPLING & TESTING

A. The contractor shall provide and maintain appropriate measuring and testing devices, equipment, and supplies to accomplish the required measurement, testing and inspection in a timely manner. The contractor shall take samples and perform inspections and tests necessary to achieve the quality of construction required by the contract. Sampling and testing frequency for specific items shall be as defined in the specifications.

3.03 RECORDS

A. The contractor shall maintain current records of all inspections and tests performed.

B. The contractor shall certify in writing that all inspections were performed in accordance with specifications.

All testing and inspection records shall be submitted to the C.O.R upon completion of the project

3.04 CERTIFICATIONS & MEASUREMENTS

A. Offsite Produced Materials. The Contractor shall furnish certificates executed by the manufacturer, supplier, or vendor, stipulating that all offsite produced materials incorporated into the work meet the applicable requirements as shown on the drawings or specifications.

B. Quantity Measurement. The Contractor shall make all measurements for computation of quantities for all work items except those specified for payment by Designed Quantity (DQ). The Contractor shall compute the quantities for periodic progress payments; the C.O.R will compute the quantities for final payment based on measurements taken by the Contractor. All measurements are subject to verification. The Contractor shall submit all field notes, calculation sheets, and other data used to determine quantities. The Contractor shall certify in writing as to the accuracy of the measurements and computations submitted.

3.05 AS BUILT DRAWINGS

A. The Contractor shall maintain a set of the contract drawings depicting as-built conditions. These drawings shall be maintained in a current condition and shall be available for review. All variations from contract drawings shall be indicated in red on the drawings. Upon completion of the contract work, as-built drawings shall be submitted to the COR

SECTION 02050

SELECTIVE DEMOLITION

PART 1 GENERAL

A. This work includes the complete removal and disposal of the existing pumphouse (including related utilities), existing steel reservoir and designated waterlines. Existing utilities to be abandoned shall be capped, plugged or removed in the construction process as shown on the drawings.

PART 2 PRODUCTS

Not Used

PART 3 EXECUTION

3.01 DEMOLITION

A. The Contractor must disconnect all utilities serving the existing buildings and protect the existing utilities to be used in the new construction prior to demolition of existing structures.

B. All demolition debris shall be removed from the site and legally disposed of off Government land. The

Contractor shall pay any required disposal fees.

SECTION 02102

CLEARING & GRUBBING

A. Work included in this section covers clearing and grubbing as specified herein for the construction of the pumphouse and related utilities.

PART 2 - PRODUCTS

None

PART 3 - EXECUTION

3.01 CLEARING

A. Clearing shall consist of clearing the area of all trees, brush and other vegetation, rubbish and all objectionable material.

B. Forest Service shall provide a designated disposal site within 5 miles of construction areas.

3.02 GRUBBING

A. Grub all stumps that interfere with the installation of all utility lines and building foundations.

B. In embankment sections where the total depth of fill will be less than 3 feet above undisturbed earth, grubbing shall consist of the removal of all biodegradable material (stumps, roots larger than 2 inches in diameter, matted roots, duff, and other protruding or surface objects). The resulting depressions shall be filled and compacted with material specified for the embankment.

C. In embankment sections where the total depth of fill will be 3 feet or greater above undisturbed earth, all loose biodegradable material shall be removed. Undisturbed stumps, roots, and nonperishable solid objects which will be a minimum of 3 feet below the finished surface of embankments, need not be removed. The stumps that remain shall be cut off not more than 6 inches above the original ground line.

1. Remove all trees within 3 feet of fill toes. The stumps can remain.

D. In cut sections, the removal of stumps and roots shall be done to such depth that in no case will any portion remaining extend closer than 18 inches to any sub grade, slope surface or retaining walls.

1. Remove all trees within 3 feet of top of cut slopes. The stumps can remain.

E. Trees that are damaged during operations shall be painted with tree wound dressing on all cuts and wounds.

SECTION 02210

SITE GRADING

PART 1 – GENERAL

A. This section covers all required site grading, including excavation and the placement of interior and exterior fills and the final dressing of the site within the construction area.

2.01 FILL

A. The material for the interior and exterior fills shall consist of surplus excavated material

B. The material shall be free from organic vegetative matter.

C. The maximum size of any particle shall not be greater than 3" in diameter.

D. Oversize material may either be removed or broken down to the specified dimension by any method which accomplishes reduction to that size.

PART 3 – EXECUTION

3.01 OPERATIONS

A. Strip all vegetation and the upper 8" of the topsoil from the area to be occupied by the buildings and stockpile in a location on the site to be approved by the COR.

B. Excavation shall produce surfaces to line and grade shown on drawings. All excavated areas shall drain.

C. The root structure of all existing trees that are to remain shall not be disturbed. Do not operate heavy equipment within 10' of trees that are to remain.

D. Exterior fills shall be constructed to sections and elevations indicated. Exterior fills shall drain.

E. Compact earth fills under all concrete slabs, ramps, and footings.

1. Compaction shall be in accordance with Sections 02220, 02221 and 02230 as appropriate.

F. When all exterior earthwork is complete, the Contractor shall give the entire site a final dressing to assure that all surfaces are in accordance with the elevations indicated on the drawings.

1. Finish grades adjacent to the building shall be sloped as shown on the drawings to provide surface drainage away from the building walls in all directions.

3. Use the topsoil previously stripped from the site for the upper layer of fill for finish grades.

G. Any excess excavation shall be placed at a location within 5 miles of site as directed by the COR

SECTION 02220

STRUCTURAL EXCAVATION

A. This section covers all work necessary for the excavation of all foundations.

None.

3.01 EXCAVATION

A. All required fill material under structures shall be placed and compacted prior to commencing with structural excavation.

B. Trenches or foundation pits for structures or structure footings shall be excavated to the lines, grades, and elevations as shown on the drawings. They shall be of sufficient size to permit the placing of the full width and length of the structure footings as shown on the drawings.

C. Boulders, logs, or any other objectionable material encountered in excavation shall be removed.

1. All rock or other hard foundation material shall be cleaned of all loose material and cut to a firm surface, either level, stepped, or serrated, as shown on plans or specified herein.

2. All seams or crevices shall be cleaned out and grouted with neat cement grout.

3. All loose, disintegrated rock and thin strata shall be removed.

4. When concrete is to rest on a surface other than rock, special care shall be taken not to disturb the bottom of the excavation.

D. All surplus excavation shall be placed as fill at sites designated by the COR.

E. After excavation is complete, the Contractor shall notify the COR. No concrete shall be placed until after the COR has approved the depth of the excavation and the character of the foundation material.

F. Backfill shall be compacted with approved mechanical compaction equipment until there is no visual displacement of the backfill. No backfill shall be placed against any structure until permission is given by the COR.

SECTION 02221

TRENCHING, BACKFILLING, AND COMPACTION FOR UTILITIES

A. Work included in this section covers all trenching, backfilling, and compacting for the installation of all utility lines.

PART 2 – PRODUCTS

2.01 BACKFILL

A. Initial Backfill - imported sand.

B. Subsequent Backfill - excavated material free from rock larger than four inches in greatest dimension, clods, and debris.

2.02 IDENTIFICATION TAPE

A. Identification tape shall be Terra Tape “Sentry Line Detectable” as manufactured by:

Reef Industries, Inc.

P.O. Box 750250 Houston, Texas 77275-0250

1-800-231-2077 or approved equal and shall read the equivalent of "buried water line" or "buried electric line", where applicable.

B. The tape shall be of 3" minimum width and have the capability of being detected by a metal detector when installed over non-metallic pipe.

C. The tape shall consist of solid aluminum foil bonded to a reinforced protective plastic jacket.

D. Connectors, if required, shall be provided by same manufacturer as that of the tape provided.

A. Trenches shall be excavated through any or all materials regardless of natural substances. All excavations shall be considered unclassified.

1. A firm, full-length support shall be formed for all underground pipe

2. Deviations from linearity of installed pipe shall be according to manufacturer's recommendations.

Manufacturer’s limits for joint angularity shall not be exceeded.

2. If the bottom of any excavation is taken out beyond the elevations shown on the plans, it shall be refilled at the Contractor's expense with initial backfill material compacted to the density of adjacent undisturbed material.

3. Where the excavated material is rock or other unsatisfactory bedding material, the trench shall be excavated below the final grade of the pipe invert a distance of four inches. The trench shall then be backfilled to the grade of the pipe with initial backfill material.

4. The Contractor shall take all precautions to assure that water does not accumulate in trenches while utility lines are being constructed.

5. Any pipe damaged by backfill operations shall be replaced by new pipe.

6. Trenches shall be bedded to the proper elevation for installing the pipe with initial backfill material. All backfill material within six inches of pipe shall be initial backfill material.

7. Initial backfill shall be deposited and compacted to a density equal to or greater than that of the existing soils for all piping. Subsequent backfilling shall not be compacted except for areas within roadways, parking or sidewalks.

8. Compaction shall be accomplished by the use of a mechanical vibrating tamper.

9. All trenches not within roadway areas shall be mounded 4 to 6 inches to allow for settlement.

B. Backfilling shall not be performed on any section of pipeline without prior approval by the C.O.R.

C. Areas where utility lines are located within roads or trails shall be dressed and graded to a condition similar to one prior to the installation of the utility. Restore all drainage structures.

SECTION 02250

COMPACTION CONTROL AND TESTING

A. This section covers all compaction for earth fills under footings, ramps, slabs, walkways, and other backfill as shown on the drawings and specified herein.

PART 2 - PRODUCTS

2.01 FILL

A. Material used for fills and backfills shall be as described in Section 02210 - Site Grading.

PART 3 - EXECUTION

3.01 COMPACTION

A. The ground on which the fill or backfill material is to be placed shall be firm, dry, unfrozen, and cleared of all debris.

B. Compacted earth fills under concrete slabs, ramps, footings, and walkways shall be placed in approximately 12" lifts and be compacted to a uniform density until no visible settlement occurs.

C. Backfill around structures and supports shall be in 8" lifts and compacted to a uniform density until visible displacement ceases.

D. Compaction shall be accomplished by the use of mechanical compaction equipment and shall continue until visual displacement ceases.

E. Compaction testing shall not be required.

SECTION 02540

EROSION AND SEDIMENTATION CONTROL

A. This work consists of temporary and permanent measures as shown on the drawings or as specified herein, to prevent and control soil erosion and sedimentation.

PART 2 - PRODUCTS

2.01 SILT FENCE

A. Silt fences shall be prefabricated with 1-1/2" square, hardwood posts, Mirafi Silt Fence, or approved equal.

PART 3 – EXECUTION

3.01 MEASURES

A. All erosion control measures shall be in place prior to the start of construction.

B. The Contractor shall monitor the performance of all erosion and sediment control practices and make minor adjustments as needed on a day-to-day basis. Silt fences shall be inspected after each rainfall and sediments deposits shall be removed when they reach a maximum of 1/3 the height of the fence. Deteriorated or damaged fabrics shall be replaced immediately.

C. Temporary controls shall be dismantled and disposed of after the disturbed soil has been re-vegetated.

D. Install silt fences at locations designated on the ground by the C.O.R.

SECTION 02550

SITE UTILITIES

A. This section covers the connection of utilities to the construction work.

B. Existing utilities and utility connections shown on the drawings are shown for the purpose of location and for indicating the existence of the utility. The locations as shown on the drawings are to be considered approximate.

A. See Division 15 and Division 16 of these specifications.

3.01 UTILITIES

A. The Contractor shall verify the location of existing utilities or contact the necessary utility companies for location of lines.

B. Contractor shall take care not to disturb existing utilities. Any damage to existing utilities caused by the Contractor's operations shall be repaired at Contractor's expense.

C. Unless specified otherwise, all fees and permits required for the work under this contract shall be obtained and paid by the Contractor. Contractor shall abide by any and all provisions of required permits and shall provide two (2) copies of all required permits and receipts for payment of fees to the COR.

D. Electrical

1. All connections made in fulfilling the requirements of this contract shall be done in accordance with the National Electric Code and the National Board of Fire Underwriters' Electric Code, and all applicable State and Local codes

E. Water Supply

1. All connections made in fulfilling requirements of this contract shall be done in accordance with the all federal, state and local Codes as applicable.

SECTION 2660

WATER DISTRIBUTION SYSTEM

PART 1 – GENERAL

1.01 WORK INCLUDED

A. This work includes furnishing and installing buried waterlines as shown on the drawings.

PART 2 – PRODUCTS

2.01 PIPE

A. Plastic pipe shall be high-density polyethylene (HDPE), IPS w/ blue stripes, DR11, DriscoPlex 4100 PE HDPE piping as manufactured by Chevron/Phillips or approved equal.

2.02 FITTINGS

B. Fittings shall be of the same type and manufacture as the pipe being joined and as recommended by the pipe manufacturer.

C. Sleeve & transition type couplings shall be factory manufactured to ensure tight fit and smooth flow transition at the fitting.

2.03 VALVES, VALVE BOXES, AND METER

A. 2” and smaller valves shall be curb stop, 2” square nut, ball valves by the Ford Meter Box Co., or Mueller Co.

B. Valves larger than 2” shall be cast iron, resilient wedge, non-rising stem, 2” square nut, mechanical joint (M.J.), 2360 series by Mueller Co. or approved equal.

C. Valve boxes shall be adjustable cast iron slide type, Series A-8470 M by Acheson Foundry, or equal. Cover shall read ‘WATER’ or as appropriate for application.

D. Bathhouse water meter shall be 55 gpm capacity , Recordall Bronze Disc Meter, Model 55, as manufactured by Badger Meter, Inc., 4545 W. Brown Deer Road, Milwaukee, WI 53223, or approved equal.

3.01 HDPE JOINTS AND FUSION

A. Joints between plain end pipes and fittings shall be made by butt fusion. Joints between the main and saddle branch fittings shall be made using saddle fusion. The butt fusion and saddle fusion procedures used shall be procedures that are recommended by the pipe and fitting Manufacturer. The Contractor shall ensure that persons making heat fusion joints have received training in the Manufacturer's recommended procedure. The Contractor shall maintain records of trained personnel, and shall certify that training was received not more than 12 months before commencing construction. External and internal beads shall not be removed.

B. Contractor shall be certified by the manufacturer for heat fusion of HDPE Pipe and shall present certification prior to fusing of pipe.

C. Polyethylene pipe and fittings may be joined together or to other materials by means of (a) flanged connections (flange adapters and back-up rings), (b) mechanical couplings designed for joining polyethylene pipe or for joining polyethylene pipe to another material, (c) MJ Adapters or (d) electrofusion. When joining by other means, the installation instructions of the joining device manufacturer shall be observed.

D. When delivered, a receiving inspection shall be performed and any shipping damage shall be reported to the manufacturer within 7 days. Installation shall be in accordance with ASTM D 2774, Manufacturer's recommendations and this specification. All necessary precautions shall be taken to ensure a safe working environment in accordance with all applicable safety codes and standards.

E. Mechanical joint and flange connections shall be installed in accordance with the Manufacturer's recommended procedure. MJ adapters and flanges shall be centered and aligned to the mating component before assembling and tightening bolts. In no case shall MJ gland or flange bolts be used to draw the connection into alignment. Bolt threads shall be lubricated, and flat washers should be used under the nuts. Bolts shall be evenly tightened according to the tightening pattern and torque step recommendations of the Manufacturer. At least 1 hour after initial assembly, flange connections shall be re-tightened following the tightening pattern and torque step recommendations of the Manufacturer. The final tightening torque shall be as recommended by the Manufacturer.

F. The Contractor shall ensure the field set-up and operation of the fusion equipment, and the fusion procedure used by the Contractor’s fusion operator while on site. Upon request by the COR, the Contractor shall verify field fusion quality by making and testing a trial fusion. The trial fusion shall be allowed to cool completely; then test straps shall be cut out and bent strap tested in accordance with ASTM D 2657. If the bent strap test of the trial fusion fails at the joint, the field fusions represented by the trial fusion shall be rejected. The Contractor at his expense shall make all necessary corrections to equipment, set-up, operation and fusion procedure, and shall re-make the rejected fusions.

3.01 INSTALLATION

A. Pipe and fittings shall be installed in accordance with the manufacturer's instructions for the type being installed and as shown on the drawings.

a. For Example: Minimum bend radius = 25 x outer pipe diameter (For DR 11 pipe)

B. Waterlines shall be buried a minimum of 18” deep. Where 18” of cover cannot be maintained when crossing existing culverts along the road, the Contractor shall install pipe under the existing culvert.

C. Underground Detection and Marking Tape

1. Detection/marking tape with the inscription side up shall be buried 12 inches below natural ground and extend the full length of the pipe it identifies. All buried pipe shall be identified with a buried tape.

D. Trenching and backfill shall be in accordance with Section 02315.

A. Sewer line Crossing

a. Waterline may cross a sewer line if 18” clear separation can be maintained, with the sewer line passing underneath the waterline. If clear separation cannot be maintained, sleeve waterline in 20’ section of sch. 40 PVC.

3.02 PRESSURE TESTING

A. The waterline shall be tested at the test pressure specified herein.

B. Pressure tests shall be run after thoroughly flushing the waterline.

C. Air testing shall not be allowed.

D. Procedure

1. The test section shall be partially backfilled or otherwise held in place sufficiently to stabilize pipe under a pressure test. Joints shall remain uncovered until testing is satisfactorily completed.

2. Slowly fill each valved or plugged test section of pipe with water and apply a water test pressure of 100 psi.

3. Maintain the approved test pressure for a minimum of two hours. The COR shall be present during the testing period.

4. Inspect all joints for leakage.

5. If leaks occur, replace defective pipe as required and repeat the pressure test until no leakage is evident.

6. No paints, asphalts, tars, enamels, or other types of pipe compounds shall be used to eliminate leaks.

7. Necessary apparatus required for testing including pump, auxiliary tank, pipe connections, gauges, and meters shall be furnished by the Contractor.

3.03 DISINFECTION OF WATERLINES

A. Disinfection shall be performed after flushing and pressure testing are completed and approved by the COR.

1. Dosage - disinfecting material shall be placed in the system, at a location approved by the COR, to provide a minimum residual of 25 mg/l of total chlorine in the water system for 24 hours.

2. Procedure - the entire system including storage tanks where applicable shall be filled with the disinfecting solution. All taps, hydrants, and other outlets shall be opened and left open until a strong odor of chlorine is noticeable in the water coming from each other, after which, the taps, hydrants, and other outlets shall be closed.

3. Disinfection Period - Disinfection water shall remain in the system a minimum of 24 hours.

4. Bacteriological Examination - after the system has been disinfected and flushed to 2 ppm residual, two (2) bacteriological water samples shall be taken by the contractor or his representative from tap points at opposite sides of the system. The samples shall be tested at a laboratory certified by the State of Tennessee for potable water Bacteriological Testing. The results of both samples must be negative (free of coliform organisms) to obtain acceptance. The COR shall be provided with copies of all test result forms.

5. The contractor shall pay all transportation and laboratory costs associated with the bacteriological examinations.

3.04 BACKFILLING

A. Contractor shall not backfill any trenches until approved by the COR. Backfilling shall meet the requirements of Section 02315.

SECTION 02931

SEEDING AND MULCHING

A. All ground surface areas disturbed by the Contractor’s operations including, but not limited to, trenching, grading, and excavating, shall be seeded or covered in accordance with this section. This work shall consist of preparing surface and placing seed, fertilizer, limestone, and mulch on all disturbed areas.

2.01 ADDITIONS

A. Agricultural limestone shall be calcic or dolomitic ground limestone containing not less than 85 percent of total (calcium and magnesium) carbonates. Limestone shall meet the following sieve analysis: at least 40 percent passing a No. 100 sieve and at least 95 percent passing a No. 8 sieve.

B. Fertilizer shall be standard commercial grade and provide the minimum percentage of available nutrients of 6% Nitrogen, 12% Phosphorus, and 12% Potassium.

C. Straw for mulching shall be from grain crops that are free from noxious weeds, mold, or other objectionable material. Straw mulch shall be in air-dry condition. Bark for mulching shall be from commercial source. Wood chips from on-site clearing operations may be used.

2.02 SEED

A. Seed mixture available from Ernst Conservation Seeds, (Ph. #1-800-873-3321, www.ernstseed.com) or other source approved by COR.

1. Seeding Seasons

1. The normal seasonal dates for seeding shall be from March 15 to May 30 and from September 1 to October 30. The COR shall have the authority to modify these dates, in writing, due to prevailing weather conditions. Seeding material shall not be applied during windy weather or when the ground is excessively wet or frozen. Work shall be performed during each specified seeding season on all completed and previously untreated sections.

B. Soil Preparation

1. The areas to be seeded or mulched shall be finished as required by other applicable

Sections to the lines and grades shown on drawings. Areas that are damaged by erosion or other causes shall be restored. The surface soil shall be in a roughened condition favorable for germination and growth.

C. Application Method for Seed, Fertilizer, and Limestone

1. Products shall be applied in the following quantities at the rates 20 PLS (pounds of live seed) per acre:

Limestone: 2000 lbs Fertilizer: 1000 lbs Big Blue Stem: 3.25 lbs Little Blue Stem: 3.25 lbs Indian Grass: 5.00 lbs Switch Grass: 3.25 lbs Partridge Pea: 0.25 lbs

Annual rye: 5.00 lbs Mulch: Straw 1000 lbs 6-inch loose depth

D. Care During Construction

1. The Contractor shall be responsible for protecting and caring for seeded area until final acceptance of the work. The Contractor shall repair all damage to areas caused by his construction operations without additional compensation.

SECTION 03100

CONCRETE FORMWORK

A. This section covers all formwork, expansion joints, and related accessories.

PART 2 – PRODUCTS

2.01 FORMS

A. Forms shall be wood, plywood, hardboard, or metal and shall be approved by the COR

B. Form oil shall be nonstaining type.

C. Expansion joint filler shall be 1/2” preformed rubber continuous for full length of joint.

PART 3 - EXECUTION

3.01 CONSTRUCTION

A. Forms shall be built tight, in proper alignment and adequate to resist the stresses of concrete placement without deformation.

B. Forms shall be constructed to produce the required concrete surface.

C. Expansion and contraction joints shall be formed as indicated on the drawings.

D. Control joints shall be saw cut at the locations shown on the drawings. Joints shall be 1/5 the depth of the slab.

SECTION 03200

CONCRETE REINFORCEMENT

A. This section covers all concrete reinforcement and its accessories.

B. The latest editions of the following specifications and codes shall govern.

1. ACI 301, Specifications for Structural Concrete for Buildings.

2. ASTM A615

3. ASTM A185

PART 2 - PRODUCTS

2.01 STEEL

A. Reinforcing steel shall comply with ASTM A615, intermediate grade 40, unless otherwise shown.

B. Reinforcing mesh shall comply with STM A185 and shall be gauge and mesh indicated.

PART 3 - EXECUTION

3.01 INSTALLATION

A. Reinforcement bars and mesh shall conform to the sizes and spacings as shown.

B. Field bending and cutting will be permitted if performed in accordance with above listed code.

C. Reinforcement shall be free from dirt, oil, paint, grease, mill scale, and loose or thick rust when concrete is placed.

D. Woven wire mesh shall be hooked and/or supported during the placement of concrete slabs to ensure proper embedment as detailed.

E. Anchorage and accessories shall be accurately placed as shown and held rigidly in position during placing of concrete.

F. Depth of cover, radius of bends, and deformations shall be in accordance with ACI 318.

SECTION 03300

CAST-IN-PLACE CONCRETE

A. This section covers cast-in-place concrete, including curing and finishing of concrete.

B. The latest editions of the following specifications and recommended practices shall govern:

1. ACI 301 - Specifications for Structural Concrete for Buildings.

2. ACI 306 – Cold Weather Concreting

3. ACI 305 – Hot Weather Concreting

C. Notify C.O. 48 hours prior to placing concrete.

2.01 MATERIALS

A. Aggregate shall conform to the requirements of Federal Specification SS-A-281, Classes 1 and 2, and shall be well graded from fine to coarse within designated limits.

B. Portland, Cement, shall comply with ASTM C150, Type 1. Supplier shall provide mill certification of compliance with specification.

C. Water shall be clean, fresh, and free from injurious amounts of minerals or foreign substances.

D. Additives, air entrainment agents shall comply with ASTM C-260.

E. Concrete Mix Design

1. All concrete shall have a minimum "compressive strength" of 3000 psi at 28 days.

2. Concrete shall be air-entrained and shall contain not less than 3% and not more than 6% entrained air determined by test procedure AASHTO T 152.

3. The design of the concrete mixture shall be the responsibility of the Contractor.

F. Slump shall not exceed 3 inches for vibrated concrete or 5 inches for non-vibrated concrete.

3.01 PLACEMENT

A. "Ready-Mixed Concrete" may be employed if the time interval between mixing at the plant and discharge into the form does not exceed 1-1/2 hours.

B. All concrete shall be placed within 1-1/2 hours from the time of mixing.

1. No concrete shall be placed after it has started its initial set.

2. No concrete with a temperature above 90ºF shall be placed.

C. Concrete shall be placed in such a manner as to avoid segregation of the mixture.

1. Concrete shall be placed in horizontal layers when practicable.

2. No concrete shall be freely dropped more than 5 feet.

3. Depositing a large quantity of concrete and flowing or working it along the forms will not be permitted.

D. Mechanical vibrators shall be used for consolidation of concrete.

1. Concrete shall be consolidated within 15 minutes after placement.

2. If consolidation of concrete with mechanical vibrators is impractical, hand tamping, rodding, and spading will be permitted.

3. A minimum of two vibrators, in working order, shall be on the job during concrete placement.

E. Concrete shall be placed and protected as specified for temperature conditions.

F. Concrete plant standards and truck mixer and agitator standards shall be as recommended by the National Ready Mix Association.

3.02 FINISHING

A. All finishes shall be made without use of cement or other dusting materials.

B. Concrete shall be struck to proper grade and surface finished with float trowels.

C. At all exposed form surfaces, remove all ties, fill all form tie holes and imperfections (i.e., "honeycombing") with dry cement mortar, remove all lines, and then "sack" or finish to match adjacent surfaces.

D. Interior floor shall be steel trowel finished. Slope all interior floors to positively slope towards the drains.

E. Exterior sidewalks shall be light broom finished.

F. Concrete shall be protected against rapid drying and kept moist for seven days by covering with curing paper with edges sealed.

G. Sampling and Testing

1. Sampling and testing shall be the responsibility of the Contractor, through an approved testing laboratory. The Contractor shall test for strength, air content and slump.

2. Sampling and testing shall be done in accordance with the following test methods:

Sampling Fresh Concrete....................................AASHTO T-141 Making and Curing Concrete Compression Test Specimens.............................AASHTO T-23 Compressive Strength of Concrete Cylinders.....AASHTO T-22 Percent Entrained Air (Pressure Method)...........AASHTO T-152 Consistency (Slump) of Concrete.......................AASHTO T-119

3. Testing frequency shall be one sample or test per every 10 c.y. or truck load.

4. Copies of all test results shall be submitted to the C.O.R.

SECTION 04150

MASONRY ACCESSORIES

A. This section covers all masonry accessories as shown on the drawings and as specified herein.

PART 2 - PRODUCTS

A. Vertical and horizontal reinforcing steel shall be of sizes and configuration shown on drawings.

1. Reinforcing steel shall comply with ASTM Designation A-615, intermediate grade 40.

B. Horizontal joint reinforcement shall be Dur-O-Wall, conforming to requirements of ASTM A-82.

1. 8" concrete block - #8 Dur-O-Wall Truss.

2. 6” concrete block - #6 Dur-O-Wall Truss.

3. 4" concrete block - #4 Dur-O-Wall Truss.

C. Anchor bolts shall be of the size and type shown on the drawings.

PART 3 - EXECUTION

3.01 INSTALLATION

A. Reinforcing steel shall be installed as shown on the drawings.

B. Horizontal masonry reinforcement shall be installed in accordance with manufacturer's recommendations.

SECTION 04220

CONCRETE MASONRY UNIT

A. Work included in this section covers concrete block masonry and related items.

B. References

1. Standards of the Concrete Masonry Association, latest edition.

2. Concrete Masonry Handbook, Portland Cement Association

2.01 MORTAR

A. Mortar shall comply with ASTM C-270, Type M.

2.02 CONCRETE MASONRY UNITS

A. Concrete Masonry Units shall be stream-cured hollow load bearing units meeting

ASTM C-90.

1. Faces shall be uniform in texture and free of defects which would impair finished appearance.

2. Units shall not vary from designated size more than 1/6".

3. Typical units shall be 7-5/8" high x 15-5/8" long x 3-5/8”, 5-5/8”, and 7-5/8" wide, two or three cell type.

4. All blocks shall be Grade A units made with expanded slag or shale aggregate.

2.03 SPLIT FACE CONCRETE MASONRY UNITS

A. Split Face Concrete Masonry Units shall conform to Grade N-1 of ASTM C 90 for hollow load-bearing concrete masonry units and to Grade N-1, ASTM C 145 for solid units.

1. Split faced concrete masonry units shall also meet the physical requirements of ASTM C 62 and C

216 Grade SW.

2. Units shall have a uniform color range. The Contractor shall provide the COR samples of all shapes and sizes for approval.

3.01 CONSTRUCTION

A. All masonry walls shall be true and plumb and built to dimensions, bond, and pattern as indicated on the drawings.

1. Joints shall be 3/8" wide, tooled concave.

B. Provide all bond beams and special blocks where required or shown on the drawings.

C. Cores that contain vertical reinforcing steel shall be cleaned through the top of the cell by hand and filled with mortar.

1. The mortar shall be vibrated or rodded.

D. Reinforcing bars shall be installed in the cores and bond beams and anchored into concrete as shown on the drawings.

1. Cores with reinforcing steel and bond beams shall be filled with mortar.

E. All blocks shall be "buttered" on all contact surfaces with mortar.

1. Tight, full mortar joints shall be placed between concrete and masonry.

2. There shall be full mortar coverage of the block face shells in both horizontal and vertical joints.

F. All exposed wall surfaces shall be kept clean and free of mortar or concrete splotches.

1. Wall and all joints shall be pointed and masonry cleaned.

2. Completed walls shall be cleaned with a detergent cleaner containing no muriatic acid.

G. No placing of masonry shall be performed when the temperature is below 40 degrees F.

H. In hot or dry weather, the masonry shall be protected from heat and rapid drying and shall be kept moist for a period of three days after completion.

SECTION 05500

METAL FABRICATIONS

3.01 WORK INCLUDED

A. Work in this item includes all miscellaneous metal and other related items.

PART 2 - PRODUCTS

A. Steel straps, steel angles and other miscellaneous steel shall conform to ASTM A-36.

B. Block vents shall be as shown on the drawings.

PART 3 - EXECUTION

3.01 METAL

A. The contractor shall provide all framing and falsework necessary for the erection.

B. At final attachment, all miscellaneous metal and other items shall be rigid and secure.

C. After erection, touch up field connections and abraded places on all steel with shop paint.

D. Finish coat on exposed steel shall be as specified on the drawings.

SECTION 06100

ROUGH CARPENTRY

A. This work covers rough carpentry.

1.02 REFERENCES

A. Grading and Standards

1. Southern Pine shall conform to Federal Specification MM-L-751H and to the latest grading rules of the

Southern Pine Association. All lumber shall be grade-certified by the Association.

2. All plywood shall conform to PS-1-74 and to the latest standards of the American Plywood Association or Hardwood Plywood Institute. All plywood shall be certified by the appropriate grade grademark of the Association.

3. Kiln dried lumber shall not exceed 15% moisture content as determined by ASTM Test Method D-

2016; all other lumber shall not exceed 20%.

4. Pressure-treated lumber shall be treated in accordance with applicable standards.

PART 2 - PRODUCTS

A. Structural framing shall be Southern Yellow Pine #2.

B. Boards, furring, and formwork shall be Southern Yellow Pine, construction grade.

C. Sill plates shall be Southern Yellow Pine #1 (P.T.).

D. Plywood Sheathing shall be exterior type "C" - CEXT-APA, as defined by the American Plywood

Association. Thickness shall be as shown on the drawings.

E. Rough Hardware - Furnish all items of rough hardware required to complete the work. Bolts, nuts, and washers shall be hot-dipped galvanized, conforming to ASTM A153.

PART 3 - EXECUTION

3.01 FRAMING

1. Wall

a. Cut framing square on bearings, closely fitted and accurately set level and plumb to required lines and levels. Secure rigidly in place.

b. Anchor nailers, blocking, etc., to concrete as indicated on the drawings. Make connections secure at all bearing points.

2. Roof Sheathing

a. Install sheathing perpendicular to run of roof rafters and nail in accordance with manufacturers' instructions.

b. Cover all roof areas with standard asphalt impregnated 30 pound building felt (see Section

07310). Protect sheathing from weather until final roofing finish is installed.

3. All framing and/or blocking at roof penetrations or in contact with roofing or flashing, and all framing, sill plates, and/or blocking in contact with concrete shall be pressure treated.

SECTION 06200

FINISH CARPENTRY

PART 1 - GENERAL

1.01 WORK INCLUDED

A. This section includes finish carpentry.

1.02 REFERENCES

B. Grading and Standards

1. Southern Pine shall conform to Federal Specification MM-L-751H and to the latest grading rules of the

Southern Pine Association. All lumber shall be grade-certified by the Association.

2. All plywood shall conform to PS-1-74 and to the latest standards of the American Plywood Association or Hardwood Plywood Institute. All plywood shall be certified by the appropriate grade trademark of the Association.

3. Millwork shall conform to the "Manual of Millwork" of the Woodwork Institute.

4. Kiln dried lumber shall not exceed 15% moisture content as determined by ASTM Test Method D-

2016; all other lumber shall not exceed 20%.

5. Pressure-treated lumber shall be treated in accordance with applicable regulations.

PART 2 - PRODUCTS

A. Materials shall be as shown on the drawings.

B. All wood stops and any wood in contact with concrete or masonry shall be pressure treated as described above.

3.01 GENERAL

A. Finish millwork shall be made to exact dimensions, profiles, and details shown on drawings and on approved shop drawings. Finger joints will be permitted only for interior millwork to be painted. Except for saw-textured (resawn) members, sander wavers, rough or raised grain, rough edges, splinter, etc., shall be removed. Millwork shall be left in suitable condition for paint, stain, or natural finish. Interior trim 2" wide and over shall be backed out unless otherwise shown on the plans. All exposed edges shall be eased.

B. Interior millwork and finish shall not be installed until building is thoroughly dry.

C. Hammer or tool marks or marred surfaces and edges will not be acceptable on any exposed finished surfaces and, as evidence of inferior workmanship, shall be cause for rejection of such work.

D. All end splices exposed in finished members shall be accurately and neatly square butted. Install members in lengths as long as possible.

E. All work shall be installed to details shown on the plans. Nails and screws shall be neatly set and all wood raised in the driving of nails and screws removed. Exterior corner joints shall be mitered. Interior corner joints may be coped. Casings at head of doors shall be mitered. When molded members adjoin other molding or plain sections, the molded members shall be carefully and accurately scribed to the other members. All exposed edges shall be eased. Use galvanized finishing nails on all finishing work.

F. Prepare all woodwork installed hereunder by cleaning and sanding as required to receive finishes specified in Section "Painting". Rough sawn (resawn) surfaces shall not be sanded.

SECTION 07110

MEMBRANE WATERPROOFING

PART 1 - GENERAL

A. This section covers all membrane waterproofing and related items.

PART 2 - PRODUCTS

A. Vapor barrier shall be 6 mil clear grade polyethylene.

A. Install vapor barrier under all concrete slabs. Lap and secure edges of vapor barrier to assure tight seal.

SECTION 07210

BUILDING INSULATION

A. This section covers all building insulation and related items.

1.02 DELIVERY & STORAGE

B. All materials must be delivered in original unopened packages with manufacturer's name and contents legibly indicated.

C. Store all materials in a safe enclosed and protected area until ready to use.

PART 2 - PRODUCTS

A. Batt insulation shall be Johns-Manville Kraft-Faced fiberglass batt with following thicknesses:

1. Ceiling – 9 1/4" (R-30)

B. Concrete block insulation shall be loose fill granular insulation “Perlite" or equal.

PART 3 - EXECUTION

3.01 INSTALLATION

A. Install insulation where shown on drawings.

B. Installation of the insulation shall be in strict accordance with the manufacturer's printed instructions.

C. All block cells not receiving concrete grout shall be filled with "PERLITE” insulation.

SECTION 07610

SHEET METAL ROOFING

PART 1 - GENERAL

1.1 SECTION INCLUDES

A. Prefinished standing-seam metal roofing

1.2 RELATED SECTIONS

1. Section 07631 “Sheet Metal Flashing and Trim.”

1.3 PERFORMANCE REQUIREMENTS

A. Wind-Uplift Resistance: Capable of producing sheet metal roofing assemblies that comply with UL 580 for Class 90 wind-uplift resistance.

1. Maintain UL certification of portable roll-forming equipment for duration of sheet metal roofing work.

1.4 SUBMITTALS

A. Product Data: For each type of underlayment product indicated.

B. Shop Drawings: Show layouts of sheet metal roofing, including plans, elevations, and keyed references to termination points.

1. Include details for forming, joining, and securing sheet metal roofing, including pattern of seams, termination points, expansion joints, roof penetrations, edge conditions, special conditions, connections to adjoining work, and accessory items.

C. In Lieu of Shop Drawings: Provide material list detailing metal roofing assembly complete with all accessories and…