Rev Attachment 1 - On-site Septic System_Specs.pdf

NATIONAL FORESTS IN NORTH CAROLINA

CROATAN NATIONAL FOREST

FLANNERS BEACH CAMPGROUND

ON-SITE SEPTIC SYSTEM CONSTRUCTION

ARRA PROJECT # CIM-0811-27F

FEBRUARY 2010

REVISED 2/23/2010

National Forests in NC Engineering/Recreation/Heritage Facilities Lone Ranger

SPECIFICATION INDEX

DIVISION 1 - GENERAL REQUIREMENTS

01010 - Summary of Work 01050 - Field Engineering 01300 - Submittals

DIVISION 2 - SITE WORK

02110 - Clearing 02200 - Building Demolition 02210 - Site Grading 02220 - Structural Excavation 02221 - Trenching, Backfilling and Compaction for Utilities 02250 - Compaction Control and Testing 02400 - Sheeting, Shoring, and Bracing 02530 - Dewatering 02540 - Erosion and Sedimentation Control 02600 - Pavement Repair, Removal & Replacement 02720 - Aggregate Surfacing 02821 - Seeding 02822 - Chain-Link Fences and Gates

DIVISION 3 - CONCRETE

03100 - Concrete Formwork 03200 - Concrete Reinforcement 03300 - Cast-in-Place Concrete 03310 - Concrete from Packaged Dry Mix for Minor Structures

DIVISION 4 - MASONRY

04150 - Masonry Accessories 04220 - Concrete Unit Masonry

DIVISION 6 - WOOD AND PLASTICS

06100 - Rough Carpentry 06200 - Finish Carpentry

DIVISION 7 - THERMAL AND MOISTURE

07110 - Membrane Waterproofing 07210 - Building Insulation 07410 - Preformed Metal Roof System 07920 - Sealants and Caulking

DIVISION 8 - DOORS AND WINDOWS

08210 - Metal Doors 08710 - Finish Hardware

DIVISION 9 - FINISHES

09800 - Special Wall Covering 09900 - Painting

DIVISION 15 - MECHANICAL

15213 - Waterlines 15214 - Disinfection of Waterlines 15311 - Gravity Sewers 15312 - Pressured Effluent Lines 15350 – Septic Tanks 15351 - Pump Tanks 15352 - Pump Tank Controls (Wastewater) 15614 - Liquefied Petroleum Gas

DIVISION 16 - ELECTRICAL

16010 - Basic Electrical Requirements 16100 - Basic Materials and Methods 16230 - LP-Gas Power Generator 16402 - Underground Electrical Service 16500 - Lighting

DIVISION 1 - GENERAL REQUIREMENTES

01010 - Summary of Work 01050 - Field Engineering 01300 - Submittals

SECTION 01010

SUMMARY OF WORK

PART 1 - GENERAL

A. The Contractor is to provide the complete construction of the on-site septic system as specified herein as shown on the drawings.

B. An “Improvements Permit” from the Craven County Health Department for the construction of the septic system is not required.

C. Storage of Materials

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

2. The Contractor shall install safety fences around all open excavations, storage areas and around the perimeter of the new building sites. Safety fence can be substituted for the specified silt fence.

D. Coordination with Others

1. The installation of secondary underground power shall be coordinated with the Local Power

Company.

F. Construction Schedule

1. A proposed schedule of work for the project construction shall be submitted to the C.O. for approval 10 days prior to starting construction.

2. The Contractor will be allowed to use two campsites adjacent to the work for storage and parking of construction equipment.

G. Construction Sequence

1. The campground will be open during the life of the contract.

2. Construction shall proceed in the following order:

Clear area and construct Bath-house nitrification field including manifold vaults.

Construct Restroom Building Septic System complete ready for occupancy.

Demolish existing treatment plant and install septic tank, pump tank and generator building.

Remove spray irrigation aboveground piping and fence last in order to allow the ground to drain and dry.

H. Existing Facilities

1. The Contractor must furnish a portable toilet during the life of the Contract.

2. The Contractor will be allowed to use electricity free of charge for the construction of this project only.

3. Potable water will be available at the job site for construction only.

I. Safety

1. No trenches will be left open overnight.

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

J. Project Closeout

1. Instruction of Government Personnel in Use of Facilities

It is the responsibility of the Contractor to see that the proper manufacturer's representative, subcontractors, 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

The Contractor shall furnish the following:

a. Instructions for maintenance of all systems.

b. Copies of hardware schedule.

c. Shop drawings and brochures on all special items and equipment to include electrical generator and sewage pumps and controls.

d. 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.

SECTION 01050

FIELD ENGINEERING

PART 1 - GENERAL

A. The locations of all proposed new work relative to existing features are indicated on the construction drawings. Bench marks for vertical control are to be provided by the C.O. The project COR shall set the finish floor elevation for the Generator Building after the site is backfilled and re-graded.

B. Construction staking for the installation of all utilities shall be the responsibility of the Contractor.

Construction Staking by the Contractor shall be approved by the COR prior to commencing construction on that part.

SECTION 01300

SUBMITTALS

A. The Contractor shall be required to furnish the following to the C.O. prior to commencing any work that relates to a respective submittal (three copies of all submittals required).

1. Septic Tanks, Pump Tanks, Distribution Boxes and Manifold Vaults - shop drawings approved by

Department of Human Resources, Division of Health Services, Environmental Health Section.

2. Effluent Pumps and Controls - assembly and operation, pump curves, maintenance, installation, repair, and parts list with drawings. The Contractor shall also submit the name, address, and telephone number of the sales and/or service office closest to the project area for the pump installed. The C.O. shall approve the pumps and controls before field installation.

3. Building Submittals:

a. Metal door including hardware

b. Metal Roofing

c. Electrical Equipment Data and Drawings

4. Electric Power Generator and Related

5. Construction materials certifications. See section 02210 Site Grading and Section 03300 Cast-in-place Concrete.

6. Any other equipment or materials that is a substitute for specified.

B. The Contractor shall obtain approval in writing before installation of equipment.

DIVISION 2 - SITE WORK

02110 – Clearing 02200 – Building Demolition 02210 – Site Grading 02220 – Structural Excavation 02221 – Trenching, Backfilling, and Compacting 02250 – Compaction and Testing 02400 – Sheeting, Shoring, and Bracing 02530 - Dewatering 02540 – Erosion and Sedimentation Control 02600 – Pavement Repair, Removal & Replacement 02720 – Aggregate Surfacing 02821 – Seeding, Fertilizing and Mulching 02822 – Chain-Link Fences and Gates

SECTION 02110

CLEARING

A. Work included in this section covers clearing, grubbing, and removal of all vegetation within the construction area as shown on the drawings or specified herein for the construction of the generator building and installation of new site utilities.

B. Utility line clearing shall be kept to a minimum and shall, in no case exceed 10-foot width.

PART 2 – PRODUCTS

A. None

PART 3 - EXECUTION

A. Clearing and grubbing shall consist of clearing the area of all trees marked to be removed, brush and other vegetation, rubbish and all objectionable material, and shall include grubbing stumps that may interfere with the installation of utility lines or building foundations.

B. All logs, brush, stumps and debris shall become the property of the Contractor and shall be hauled-off

Government land.

1. Brush may be chipped on-site and scattered as directed by the Contracting Officer.

C. Trees shall be felled so as not to damage trees outside of the construction area or trees that are to remain.

D. Trees that are damaged will be painted with tree wound dressing on all cuts and wounds.

SECTION 02200

BUILDING DEMOLITION

PART 1 – GENERAL

A. Work included in this section covers the removal of the existing treatment plant, spray irrigation field, “abandoned” pump station, and related buildings and fences.

B. This section also includes the relocation of the existing wooden storage building located at the wastewater treatment plant.

A. Excess excavation from the installation of nitrification fields and septic tanks.

PART 3 – EXECUTION

A. Disconnect electrical service to the buildings prior to demolition.

B. The Forest Service reserves the right to remove and retain ownership of any plumbing, mechanical and electrical equipment prior to the “Notice to Proceed”.

C. All sewage in the treatment plant shall be pumped-out by a licensed septic tank service company and disposed of off Forest Service Land in a legal manner.

D. Dispose of all refuse at a State Approved facility.

E. Relocate the existing storage building to an area within the campground determined by the campground manager and approved by the District Ranger.

1. Set the building off the ground on solid concrete blocks.

2. Secure the building to the ground by furnishing and installing Tie Strapping Material and ground Anchors meeting the requiremnets of the State of NC Regulations for Manufactured Homes, latest edition.

F. Use excess excavation material from the installation of septic tanks and nitrification lines to backfill and re-grade the existing treatment plant site. See specification 0210 Site Grading for additional requirements.

SECTION 02210

SITE GRADING

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

PART 2 - PRODUCTS

A. Fill Material

1. The material for the exterior fills shall consist of surplus excavated material or imported fill consisting of a mixture of soil, gravel talus rock, disintegrated granite, semi-gravel, sand, caliche, shale, scoria, clinkers, cinders, or other suitable material.

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

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

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

5. The removal or the breakdown of oversize material to the specified size shall be done at the material source.

B. Bedding material under concrete slabs, precast concrete tanks and nitrification lines liner shall be NC DOT approved #57 stone. The stone shall be produced from hard granite. Sandstone or Limestone crushed stone is not acceptable. Submit AASHTO test results for hardness and soundness.

A. The Contractor shall supply fill material as needed to complete the job.

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 and footings.

1. Compaction shall be in accordance with Section 02250, Compaction Control and Testing.

F. When all exterior earthwork is completed, 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.

SECTION 02220

STRUCTURAL EXCAVATION

A. This section consists of the necessary excavation for the buildings foundations, sewer tanks and other structures.

PART 2 - PRODUCTS

A. Silt fence in accordance with Section 02540.

PART 3 - EXECUTION

A. Install silt fences or other means of silt entrapment around all structural excavations.

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 size to permit the placing of the full width and length of structure footings or tanks as shown on the drawings.

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

1. All rock or other hard foundation material shall be cleaned of all loose material, cut to a firm surface, either level, and 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. After each excavation is completed, the Contractor shall notify the C.O. to that effect. No concrete shall be placed until after the C.O. has approved the depth of the excavation and the character of the foundation material.

SECTION 02221

TRENCHING, BACKFILLING, AND COMPACTING FOR UTILITIES

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

PART 2 - PRODUCTS

A. Initial Backfill - imported sand, unless excavated material is sandy soil and contains no rocks.

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

C. Plastic identification tape shall be Aluminum foil core sandwished between two layers of polyester with a total thickness of 0.005 inch. Text color shall be black and background colors as follows: Electric:

Red, Sewer: Green, Water: Blue, Cable TV: Orange, Natural Gas: Yellow, Telephone: Orange. The tape shall be as manufactured by:

Brady Corporation 6555 W. Good Hope Road Milwaukee, WI 53223 Tel. 1-800-448-8630 or approved equal. All buried utilities shall be identified with appropriate tape.

PART 3 - EXECUTION

A. Trenches shall be excavated through any or all materials regardless of natural substances.

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

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.

10. Bury ID Tape 6 inches below ground level. Follow tape manufacturer’s instructions.

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

C. Areas where utility lines are located within roads, camping sites, or trails shall be dressed and graded to a condition similiar 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 building footings, ramps, slabs, walkways, utility tanks, and other backfill as shown on the drawings and specified herein.

PART 2 - PRODUCTS

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

PART 3 - EXECUTION

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 rock fills under concrete slabs, footings, and tanks shall be placed in approximately 8" loose lifts and be compacted with mechanical tamper until all visible settlement ceases.

C. Backfill around structures and supports shall be done in 12" lifts and compacted to a uniform density until no visible settlement occurs.

D. Compaction shall be accomplished by the use of a mechanical compaction equipment.

SECTION 02400

SHEETING, SHORING, AND BRACING

PART 1 - GENERAL

A. Scope: Includes additional support that the sides of a trench or excavation may require to remain stable during construction operations.

PART 2 - PRODUCTS

A. Timber or metal members used by the Contractor shall provide adequate support of the soils during his work. The Contractor shall be responsible for selection of proper materials to maintain adequate support.

A. Excavations and sides of trenches shall be supported with adequate materials as necessary for the safety of personnel and protection of the pipeline or sewerage tanks before backfilling.

B. The installation and removal of all lagging, sheeting, shoring, piling, and bracing shall be such to maintain the required trench or excavated section and to maintain the undisturbed state of the soils at and below the bottom of excavation.

C. Sheet piling and timbers in trench excavations shall be withdrawn in a manner to prevent damage to the pipe or tanks.

D. All sheeting and shoring shall be removed when safe to do so.

SECTION 02530

DEWATERING

A. Scope: Includes requirements for removing water from excavations and trenches and protecting excavated areas from damage by water.

PART 2 – PRODUCTS

A. Pumped groundwater or storm runoff shall be ponded before discharge to any live stream.

PART 3 – EXECUTION

A. The Contractor shall furnish, install, and operate all necessary equipment to keep excavations and trenches free from water during construction; and shall dispose of water without causing damage to public or private property or causing a nuisance to the public.

B. Peculiar or unusual groundwater conditions revealed upon excavation shall be called to the attention of the C.O. before corrective measures are taken.

C. Control of groundwater shall be such that softening of the bottom of excavations or formation of quick conditions or boils shall be prevented. Dewatering systems shall be designed and operated to prevent removal of the natural soils.

D. During installation of tanks, pipelines and sewers, excavation shall be kept free of water. The static water level shall be drawn down below the bottom of the excavation to maintain the undisturbed state of the natural soils and allow the placement of backfill to the required density. The dewatering system shall be operated so the groundwater level outside excavation is not reduced to an extent that would damage or endanger adjacent structures or property.

E. The release of groundwater to its static level shall be performed in a manner to maintain the undisturbed state of the natural foundation soils, prevent disturbance of compacted backfill, and prevent flotation or movement of structures, pipelines, and sewers.

F. Ditch lines shall be excavated to protect trenches from surface runoff at all times. Daylight all trenches left open where feasible.

SECTION 02540

EROSION AND SEDIMENTATION CONTROL

PART 1 - GENERAL

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

B. Related Specifications:

1. 02821 – Seeding

PART 2 - PRODUCTS

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

PART 3 - EXECUTION

A. Prior to the start of construction, the Contractor shall submit to the C.O. for approval, a schedule for temporary and permanent control work for each phase of work.

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 must be removed when they reach a maximum of 1/3 the height of the fence.

Deteriorated or damaged fabrics must be replaced immediately.

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

SECTION 02600

PAVEMENT REPAIR, REMOVAL AND REPLACEMENT

A. This section includes repair, removal and replacement of asphalt pavement to the extent required to construct the work shown on the drawings.

PART 2 - PRODUCTS

A. Backfill shall meet the requirements of Section 02210

B. Replace pavement with material equal in all respects to that removed, but in no case less than 6” of NCDOT ABC stone and 2 inches of Asphalt Concrete Surface Course Type S 9.5B.

A. Place backfill in 12” layers and compact with a mechanical tamper.

B. Saw cut pavement to a neat line prior to removal and backfilling. Keep amount of pavement removed to a minimum.

C. Restore pavement to match existing pavement.

SECTION 02720

AGGREGATE SURFACING

PART 1 GENERAL

A. WORK INCLUDED

1. This item shall consist of furnishing, hauling, and placing one or more courses of aggregate on an approved sub grade or base.

PART 2 PRODUCTS

A. AGGREGATE

1. Aggregate surfacing course shall be NC DOT approved #57 stone.

2. The commercial source shall provide a statement from a certified testing facility stating that aggregate from this source meets the requirements of these specifications and the designated gradation.

PART 3 EXECUTION

A. HANDLING & STORAGE

1. Any method of stockpiling aggregate which allows the stockpile to become contaminated with foreign matter or causes excessive degradation of the aggregate shall not be permitted.

B. PREPARATION

1. The sub grade shall conform to the grades and lines shown on the drawings and shall be approved in writing by the COR before placing the surfacing course.

C. MIXING & PLACING

1. The aggregate shall be spread in a uniform layer, and to a loose depth that shall have the required thickness when compacted. If the required compacted depth of any aggregate base or surface course exceeds 6 inches, it shall be placed in two or more layers of approximate equal thickness.

2. Hauling equipment shall be dispersed over the surface of the previously constructed layer to minimize rutting or uneven compaction.

3. The surface of each layer shall be bladed during the compaction operations to remove irregularities and produce a smooth even surface that will drain.

4. The thickness of the compacted layer shall not vary more than 1/2 inch from the required thickness shown on the drawings. The compacted thickness shall not be consistently below the specified thickness.

5. The aggregate shall be compacted with construction or compaction equipment until shall continue until no visual displacement occurs.

SECTION 02821

SEEDING, FERTILIZING, AND MULCHING

PART 1 GENERAL

A. This section covers the seeding of all disturbed areas within the construction limits.

The work shall include fine grading of the areas, soil preparation, and application of lime, fertilizer, seed, and mulch.

PART 2 PRODUCTS

A. Fertilizers shall be spread on the ground surface at the following rates.

Grade 18/46/0 600 lb/acre

B. Seed shall be spread on the ground surface in the following amounts.

Winter 90 lbs/acre

C. All dates shown are guidelines. If weather conditions are abnormal, the CO shall consult with the

Forest Service Soil Scientist and/or Botanist for additional seeding times.

Permanent Seeding – Spring (2/1 to 8/1):

Virginia Wild Rye: 10 lbs/acre

Creeping Red Fescue: 10 lbs/acre

Rye (cereal small grain): 30 lbs/acre

Little Bluestem: 10 lbs/acre

Partridge Pea: 6 lbs/acre

If Seeding – (2/1 to 5/1):

Add 30 lbs./acre Rye (Cereal small grain)

Temporary Seeding:

Foxtail (German) Millet: 30 lbs/acre

Partridge Pea: 5 lbs/acre

D. Assure that mulch used on the project is certified noxious weed free by the appropriate authority in the jurisdiction of use.

E. Moisten seeding areas before seeding and maintain the moisture until 3 days after germination.

F. Apply fertilizer by the following methods:

1. Dry method. Incorporate the fertilizer into the upper portion of the seedbed before seeding.

2. Apply seed and fertilizer at rates specified.

3. Apply seed by the following methods:

a. Dry method. Apply the seed with approved power driven seeders, drills, or other mechanical equipment. Hand-operated seeding methods are satisfactory on areas inaccessible to mechanical equipment.

4. Apply mulch within 48 hours after seeding by the following methods:

a. Dry method. Spread all mulch material, except wood and grass cellulose fibers, by a mulch spreader utilizing forced air to blow the mulch material onto the seeded area.

Apply straw mulch at designated rate. Anchor the mulch material with an approved stabilizing emulsion tackifier or approved mechanical method. Do not mark or deface structures, pavements, utilities, or plant growth with tackifier. Apply wood fiber or grass straw cellulose fiber mulch at the designated rate. Apply bonded fiber matrix hydraulic mulch at the designated minimum rate. Apply so no hole in the matrix is greater than 0.04 inches. Apply so that no gaps exist between the matrix and the soil.

b. Mulch by hand areas inaccessible to mulching equipment.

5. Protect and care for seeded areas including watering when needed until final acceptance. Repair all damage to seeded areas by reseeding, refertilizing, and remulching. Apply supplemental applications of seed, mulch, fertilizer, lime, or ammonium nitrate.

A. Seeding operations shall be carried out in a timely manner following any and all backfill completion as directed by the COR.

B. All disturbed areas to be seeded shall be graded, leveled, and prepared to receive the grass seed.

C. Application of Lime and Fertilizer - following the grading and leveling operation, lime and fertilizer shall be spread uniformly over the area to be seeded.

D. Seed shall be uniformly sown over the area at the rate specified by hand sowing. The Contractor may use a hydro-seeding method if approved by the COR.

E. Pine straw or pine needles shall be uniformly spread over the area at the rate specified.

SECTION 02822

CHAIN - LINK FENCES AND GATES

1.01 WORK INCLUDED

A. Fence framework, fabric and accessories.

B. Gates and related hardware

C. Installation

1.02 SCOPE OF WORK

A. Summary: This section covers the work necessary to complete the chain link fence and gate installation.

B. Delivery, Storage, and Handling: deliver material to the site in an undamaged condition. Carefully store material off the ground to provide proper protection against oxidation caused by ground moisture.

1.03 SUBMITTALS, CERTIFICATION, GUARANTEE AND INSPECTION

A. Shop Drawings: Include complete details of fence and gate construction, fence height, post spacing, dimensions, unit weights of framework and footing details.

B. Product Data: Provide manufacturer’s catalog cutes with printed specifications. Manufacturer shall provide certification of compliance with material specifications.

2.01 MATERIAL

A. Pipe shall be straight, true to section and conform to the following weights:

Pipe Size O.D. Weight lbs/ft.

1 - 7/8” 2.01

2 - 3/8” 2.78

C. Fabric:

1. Aluminized fabric shall be manufactured in accordance with ASTM A 491 and coated before weaving with a minimim of 0.4 ounces of aluminum per square foot of surface area. The steel wire shall conform to ASTM A817. Fabirc to be 9 gauge woven in a 2” diamond mesh. Top and bottom selvage to be knuckled unless otherwise specified.

OR

2. Zinc-coated fabric shall be galvanized after weaving with a minimum 1.2 ounces of zinc per square foot of surface area and conform to ASTM A 392, Class 1. Fabric to be 9 gauge wire woven in a 2” diamond mesh. Top selvage and bottom selvage to be knuckled unless otherwise specified.

2.02 COMPONENTS

A. Fence Posts:

B. Swing Gate Posts:

Width Post O.D.

Double Gate

12’

2-7/8”

C. Rails and Braces: 1-5/8” O.D. Group IA or IV

D. Gates: Per ASTM F900 with frame assembly of 1-7/8” O.D. Pipe Group IA or IV with welded joints.

Weld areas are repaired with zinc-rich coating applied per manufacturer’s direction. Fabric is to match fence. Gate accessories, hinges, latches, center stops, keepers an necessary hardware of qulaity required for industrial and commercial application. Latches shall permit padlocking. Vinyl coated system to have pressed steel corner fittings securely rivited to the frame.

E. Fittings: All fittings conform to ASTM F 626

Post Caps – Pressed steel, cast iron or aluminum alloy designed to fit snugly over posts to exclude moisture. Supply dome style caps for terminal posts and loop type for line post.

Rail Brace Ends – Pressed steel, cast iron or cast aluminum alloy, cup-shaped to receive rail and brace ends.

Top Rail Sleeves – Tubular steel, 0.051 thickness x 6” long, expansion type.

Tension Bars – Pressed steel, 14 gauge thickness x ¾ “ wide.

Brace Bands – Pressed steel, 12 gauge thickness x ¾ “ wide.

Truss Rods – Steel rod, 5/16” diameter merchant quality with turnbuckle (take up).

Barbed Wire-Arms – Pressed steel, cast iron or cast aluminum alloy fitted with clips or slots for attaching three strands of barbed wire. Arms shall be set outward on a 45-degree angle and be capable of supporting a 250-pound load at outer barbed wire connecting point without causing permanent deflection.

F. Tension Wire – Marcelled 7 gauge steel wire, galvanized or aluminized per ASTM A 817 and A 824.

G. Tie Wires: As per ASTM F 626 Aluminum, 9 gauge, alloy 1100-H4 or equal.

H. Hog Rings: Steel wire, 12 gauge, with a minimum zinc coating of 0.80 ounces per square foot of wire surface or 9 gauge aluminum per ASTM F 626.

I. Barbed Wire: Commercial quality steel, 12-1/2 gauge, two strand twisted line wire with 4 point barbs at 5 inch spacing. Coating shall consist of a minimum of 0.80 ounces of zinc per square foot of wire surface conforming to ASTM A 121 or a minimum of 0.30 ounces of aluminum per square foot of wire surface conforming to ASTM A 585.

3.01 INSTALLATION

A. General: installation to conform to ASTM F567.

B. Height; Provide height as indicated on contract drawings.

C. Post Spacings: Space line posts at intervals not exceeding ten feet or as shown on plans.

Fabric Line Post Terminal Post

Height O.D. O.D.

6 ft.

1-7/8” 2-3/8”

D. Post Settings: Set terminal, gate and line posts plumb. Depth to be a minimum of 36”. Fill post holes with concrete.

E. Bracing: Brace gate and terminal posts back to adjacent posts with 1-5/8” O.D. horizonal brace rails and 5/16” O.D. galvanized, diagonal, adjustable truss rods.

F. Top Rail: Install through line loop caps connecting sections with sleeves to form a continuous rail between terminal posts. No section to be longer than 21’.

G. Bottom and Mid Rails: Not required.

H. Bottom Tension Wire: if required stretch between terminal posts 6” above grade and fasten to outside of line posts with wire ties.

I. Fabric: Pull fabric taut with bottom selvage 2” above grade. Fasten to terminal posts with tension bars threaded through mesh and secured with tension bands at maximum 15” intervals. Tie to line posts and top rails with tie wires spaced at maximum 12” on posts and 24” on rails. Attach to bottom tension wire with hog rings at maximum 24” intervals.

J. Barbed Wire: Anchor to terminal extension arms, pull taut, and firmly install in slots of line post extension arms. Barbed ratchets or brace bands to be used on end posts.

K. Gates: Install gate plumb, level and secure or full opening with out interference. Anchor center stops and hold open keepers in concrete. Gates to be capable of 90 degree swing.

L. Fasteners: Install nuts for fittings, bands, and hardware bolts on inside of fence.

DIVISION 3 - CONCRETE

03100 - Concrete Formwork 03200 - Concrete Reinforcement 03300 - Cast-in-Place Concrete 03310 - Concrete from Packaged Dry Mix for Minor Structures

SECTION 03100

CONCRETE FORMWORK

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

PART 2 - PRODUCTS

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

B. Form oil shall be nonstaining type.

PART 3 - EXECUTION

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.

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

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

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 - Recommended Practice for Winter Concrete

3. ACI 305 - Recommended Practice for Hot Weather Concrete

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

PART 2 - PRODUCTS

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.

PART 3 - EXECUTION

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 spread 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.

G. Finishing

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

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

3. 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.

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

5. Exterior sidewalks shall be light broom finished.

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

I. 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. Submit copy of test results to Contracting Officer.

5. Sampling and Testing applies to building foundations and slabs only.

SECTION 03310

CONCRETE FROM PACKAGED DRY MIX FOR MINOR STRUCTURES

A. Consists of constructing small concrete structures requiring one-half cubic yard or less in accordance with the details shown on the drawings and in conformance with the requirements of this specification.

A. Forms: Plywood, hardboard, wood, metal or other approved material to yield the required finish.

B. Dry Mix: The prebagged concrete mix shall be made using a dry preportioned blended mix meeting the requirements of ASTM C-387 for 28 days, 3,500 psi concrete.

C. Water: Water shall be clean and free from alkali and other deleterious materials. Water shall be added to each bag as recommended by the manufacturer.

D. Welded Wire Fabric: AASHTO M-32 and M-55.

PART 3 - EXECUTION

A. Job Mixing: The dry concrete mix and water shall be thoroughly mixed as recommended by the manufacturer. Mixing must be done in either a mechanical mixer or in a wheelbarrow. Concrete shall be mixed and placed while fresh. Any concrete in which initial set has begun shall be wasted. In any case, the elapsed time from placement of the first batch to placement of the last batch necessary to complete a specific concrete item shall not exceed one hour.

B. Placing and Finishing: The fresh concrete shall be placed in the forms and rodded as necessary to remove the air pockets. The exposed surfaces of the concrete shall receive a medium trowel finish.

C. Protection from Cold: The Contractor shall ensure that the air surrounding the fresh concrete be kept at a temperature above 50 degrees F for a period of five days after the concrete is placed.

D. Curing: If determined necessary by the C.O., exposed surfaces shall be covered with plastic sheeting after the concrete has taken its initial set.

DIVISION 4 - MASONRY

04150 - Masonry Accessories 04220 - Concrete Unit Masonry

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.

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

PART 3 - EXECUTION

A. Reinforcing steel shall be installed as shown on the drawings. All concrete block cells containing reinforcing steel shall be filled solid with concrete.

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

C. Install #8 Dur-O-Wall reinforcement every other course.

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

PART 2 - PRODUCTS

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

B. Concrete Masonry Units shall be stream-cured hollow loadbearing 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 7-5/8" high x 15-5/8" long x 7-5/8”.

PART 3 - EXECUTION

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.

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 concrete.

1. The concrete 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 concrete.

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 done in freezing weather (below 40 degrees F.) unless a heated tent is placed over the entire structure and kept for a minimum of 2 days after finishing laying block.

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

DIVISION 6 - WOOD AND PLASTICS

06100 - Rough Carpentry 06200 - Finish Carpentry

SECTION 06100

ROUGH CARPENTRY

A. This section includes rough carpentry.

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 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 ground contact, 0.21 pcf CA – B.

PART 2 - PRODUCTS

A. Structural framing shall be Douglas Fir #2; Southern Yellow Pine #2.

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

C. Sill plates and wood in contact with concrete or masonry shall be PT Southern Yellow Pine.

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

A. 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 trusses and nail in accordance with manufacturers' instructions.

b. As soon as sheathing is in place, cover all roof areas with GRACE “ice-shield”, installed per manufacturer instructions.

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

A. This section includes finish carpentry.

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 ground contact, 0.21 pcf CA – B.

PART 2 - PRODUCTS

A. Ceilings shall be as shown on the drawings.

B. Interior and exterior wood trim shall be Clear Southern Yellow Pine, Premium Grade.

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

PART 3 - EXECUTION

A. General Requirements

1. 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.

DIVISION 7 - THERMAL AND MOISTURE

07110 - Membrane Waterproofing 07210 - Building Insulation 07410 - Preformed Metal Roof System 07920 - Sealants and Caulking

SECTION 07110

MEMBRANE WATERPROOFING

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

PART 2 - PRODUCTS

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

PART 3 - EXECUTION

A. Install vapor barrier under all interior 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.

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 - (R30)

PART 3 - EXECUTION

A. Install insulation where shown on drawings.

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

SECTION 07410

PREFORMED METAL ROOF SYSTEM

A. Description of Work

This section covers the furnishing and installation of a twenty-five year warranty Standing Seam metal roof for the Generator Building.

B. Special Requirements

The roof system furnished shall be complete with all flashings, ridge vents, closure pieces, and miscellaneous flashings and fittings. All miscellaneous parts shall have the same special finish as the roof panels.

C. Submittals

1. Product Data: Submit manufacturer’s product specifications, installation instructions, and general recommendations for each metal roofing product required. Include data substantiating that materials and performance comply with requirements.

D. Storage of Roofing Materials: Store roofing materials in strict accordance with the manufacturer’s recommendations.

A. Structural Standing Seam Roof System:

1. Roof…