Attachment 1 - Specifications Rev 1.pdf

NATIONAL FORESTS IN NORTH CAROLINA

PISGAH NATIONAL FOREST

PISGAH RANGER DISTRICT

PINK BEDS PICNIC AREA

PICNIC SHELTER CONSTRUCTION

JANUARY 2010

REVISED 4/12/2010

National Forests in North Carolina

Engineering, Recreation and Heritage

Facilities

SPECIFICATION INDEX

DIVISION 1 - GENERAL REQUIREMENTS

01010 - Summary of Work

01050 - Field Engineering

01300 - Submittals

DIVISION 2 - SITE WORK

02210 - Site Grading

02220 - Structural Excavation

02540 – Erosion and Sedimentation Control

02821 - Seeding

DIVISION 3 - CONCRETE

03100 - Concrete Formwork

03200 - Concrete Reinforcement

03300 - Cast-in-Place Concrete

DIVISION 4 –MASONRY

040140 - Stone Masonry Restoration

DIVISION 5 - METALS

05500 - Metal Fabrications

DIVISION 6 - WOOD AND PLASTICS

06100 – Rough Carpentry

DIVISION 7 - THERMAL AND MOISTURE

07110 - Membrane Waterproofing

073129 – Wood Shake Roofing

07920 - Sealants and Caulking

099113- Painting

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 Picnic Shelter as specified herein and as shown on the drawings.

B.

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 barricades or tape barriers around all open excavations and storage areas.

C.

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.

D.

Existing Facilities & Utilities

The Contractor can use the restroom facilities if available, however if facilities are not available contractor shall provide port-a-johns.

The Contractor will be required to furnish his own generator for electrical power.

3.

Potable water will not be available for this project.

E.

Safety

No trenches will be left open overnight.

SECTION 01050

FIELD ENGINEERING

PART 1 - GENERAL

A.

The location and finished floor elevation for the new picnic shelter will be maked on the ground by the COR prior to the pre-work meeting.

SECTION 01300

SUBMITTALS

PART 1 - GENERAL

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 (four copies of all submittals required). Submittal shall be identified on a transmittal cover sheet by the specification section they reference and a sequential submission number . The transmittal cover sheet shall provide a space for approval signatures for each item. When submitting product information containing multiple items, clearly identify the model being submitted for approval.

1.

Wood Shakes 2.

Timbers

Hardware

4.

Concrete Mix Design

B.

The Contractor shall obtain approval in writing before installation of materials.

DIVISION 2 - SITE WORK

02210- Site Grading

02220 – Structural Excavation

02540 – Erosion and Sedimentation Control

02821 – Seeding, Fertilizing and Mulching

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.

PART 2 - PRODUCTS

A.

Fill Material

1.

The material for the interior and exterior fills shall consist of surplus excavated material and 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 shall be NC DOT approved ABC stone.

PART 3 - EXECUTION

A.

The Contractor shall supply all fill material.

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. Testing will not be required for earth material in this contract.

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

PART 1 - GENERAL

A.

This section consists of the necessary excavation for the building foundation and other structures.

PART 2 - PRODUCTS

Silt fence in accordance with Section 02540.

PART 3 - EXECUTION

A.

Install silt fences or other means of silt entrapment around all structural excavations as directed by the C.O.R.

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.

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

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 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.

B.

Hay bales shall be certified weed free.

PART 3 - EXECUTION

A.

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.

B.

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

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

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

Grade 18/46/0 600 lb/acre

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

Winter 90 lbs/acre

All dates shown are guidelines. If weather conditions are abnormal, the CO shall consult with Forest Service Soil Scientist and/or Botanist for additional seeding times.

Permanent Seeding – Spring (2/1 to 5/1):

Fungus Free Tall Fescue (Kentucky 31 is not acceptable): 20 lbs/acre

Virginia Wild Rye: 10 lbs/acre

Creeping Red Fescue: 6 lbs/acre

Rye (cereal small grain): 30 lbs/acre

Permanent Seeding – Summer (5/1 to 8/1):

Creeping Red Fescue: 10 lbs/acre

Little Bluestem: 10 lbs/acre

Indian Grass: 10 lbs/acre

Partridge Pea: 6 lbs/acre

Temporary Seeding:

Foxtail (German) Millet: 30 lbs/acre

Partridge Pea: 5 lbs/acre

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:

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

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.

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

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.

PART 3 - EXECUTION

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.

DIVISION 3 - CONCRETE

03100 - Concrete Formwork

03200 - Concrete Reinforcement

03300 - Cast-in-Place Concrete

SECTION 03100

CONCRETE FORMWORK

PART 1 - GENERAL

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 Contracting Officer.

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.

SECTION 03200

CONCRETE REINFORCEMENT

This section covers all concrete reinforcement and its accessories.

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

ACI 301, Specifications for Structural Concrete for Buildings.

ASTM A615

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

PART 1 - GENERAL

A.

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

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

ACI 301 - Specifications for Structural Concrete for Buildings.

ACI 306 - Recommended Practice for Winter Concrete

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.

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

Concrete Mix Design

1.

All concrete shall have a minimum "compressive strength" of 4000 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.

E.

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.

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

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

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

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

Concrete shall be spread in horizontal layers when practicable.

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.

Mechanical vibrators shall be used for consolidation of concrete.

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

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.

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

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

Submit copy of test results to Contracting Officer.

SECTION 040140

STONE MASONRY REPLACEMENT & RESTORATION

PART 1 – GENERAL

1.01 SUMMARY

A. Section Includes: Restoration and repointing of stone masonry chimneys and foundation piers.

B. Related Sections:

1. Section 073129.16 Wood Shake Roofing

2. Section 076200 Sheet Metal Flashing

3. Section 079213 Elastomeric Joint Sealants

1.02 REFERENCES

A. Publications listed herein are part of this specification to extent referenced.

B. Preservation Brief #2: Repointing Mortar Joints in Historic Masonry Buildings, Technical Preservation Services, National Park Service, Washington, DC 1998.

C. American Society for Testing and Materials:

1. ASTM C144 Specification for Sand

2. ASTM C150 Specification for Portland Cement

3. ASTM C270 Specification for Mortar

1.03 QUALITY ASSURANCE

A. Historic Significance: The Cradle of Forestry is a National Historic Landmark. Care will be taken to protect existing stonework from further damage during the work of this project. All work will be undertaken to protect, retain and preserve as much original material as possible.

B. Qualifications: Masons will be trained or qualified in installation techniques and procedures of restoration of historic masonry and will demonstrate a minimum of 5 years successful experience in such work. Submit qualifications for approval by the Contracting Officer. Contractor will submit qualifications to Contracting Officer. Contracting Officer reserves right to reject masonry restoration technicians not meeting qualifications.

C. Regulatory Requirements: Comply with applicable Federal, State, and local regulations pertaining to disposal of run-off and excess materials as well as protection of workers, visitors to Site, and persons and surfaces occupying areas adjacent to Site.

D. Field Samples:

1. Masonry rock finishing samples will be prepared to demonstrate quality of materials and workmanship for stonework repointing. Test panel(s) will include mortar joints within an area approximately (3) feet in width by (3) feet in height minimum, and will be installed on existing floor as approved by Contracting Officer. Adjust color and finish of repair mortar as directed by Contracting Officer.

2. Accepted panels, materials, and procedures will become standard for quality control of masonry restoration work and will be left in place until all masonry work is complete. Accepted panels may be incorporated into Work where appropriate.

3. Additional panels will be prepared at no additional cost to Government until quality of masonry restoration is acceptable to Contracting Officer.

E. Pre-Installation Conference:

1. Contractor shall schedule a conference and inspection to be held at prior to start of restoration work. Conference and inspection shall serve to clarify Contract Documents and restoration requirements.

2. Conference shall be attended by General Contractor, Masonry Subcontractor and Contracting Officer.

3. Topics to be discussed at meeting will include:

a) Inspection of existing floor and wall stonework.

b) A review of Contract Documents and accepted submittals shall be made and deviations or differences shall be resolved.

c) Review items such as application procedures and sequences. If conflicts exist between what is considered good practice and Contract Documents, these differences shall be defined and documented.

d) Review specific problem areas that are to receive special restoration techniques.

e) Establish which areas on Site will be available for use as storage areas and working area.

1.04 SUBMITTALS

A. Samples: Submit stone masonry materials proposed for use in patching or replacing existing masonry. For each application, provide a minimum of five (5) stones representing full range of color and texture to be expected in completed work.

B. Quality Assurance Submittals:

1. Certificates: Provide notarized certification that technicians utilized for masonry restoration work meet specified qualifications.

2. Submit listing of not less than three (3) most recent restoration installations representing similar scope and complexity to Project requirements. List will include information as follows:

a) Project name and address

b) Name of owner

c) Name of contractor

d) Name of architect

e) Date of completion

3. Manufacturer's Instructions: For custom manufactured mortar, submit manufacturer's installation procedures that will be basis for accepting or rejecting actual installation procedures.

1.05 DELIVERY, STORAGE, AND HANDLING

A. Packing, Shipping, Handling, and Unloading: Deliver materials in manufacturer's original unopened packaging with labels intact.

B. Storage and Protection:

1. Store materials in a clean area, away from construction activities.

2. Stack materials to prevent water from accumulating on or within materials, using blocking or skids to provide drainage.

3. Cover materials with tarpaulins or plastic in a manner to provide air circulation and to prevent damage to surfaces.

4. Protect sand from contamination from dirt or other foreign materials.

5. Remove damaged materials from Site.

6. Upon use, date and retain all packages for quality control check.

1.06 PROJECT CONDITIONS

A. Environmental Conditions:

1. Masonry surfaces will be repaired or pointed only when air and surface temperatures are above 45° F and are expected to remain so until masonry has dried out, but for not less than 48 hours after completion of restoration.

2. Protect mortar from rapid drying by keeping work damp for no less than 48 hours following placement. When temperatures are in excess of 80° F, extend curing period to 72 hours.

B. Cold Weather Precautions:

1. Comply with following recommendations for cold weather conditions:

2. Maintain mortar temperature between 40°F (4°C) and 120°F (49°C). Maintain mixing temperatures within ±10°F (6°C) of first batch.

3. To assure proper mortar temperatures, heat mixing water or aggregates when air temperature is between 32°F (0°C) and 40°F (4°C). When air temperature is between 25°F (-4°C) and 32°F (0°C), heat both water and aggregates.

4. When air temperature is below 20°F (-7°C), do not install masonry.

5. Do not heat water or sand above 160°F (71°C). Do not scorch sand.

PART 2 – PRODUCTS

2.01 MASONRY MATERIALS:

A. Salvaged Stone: Existing stone, cleaned and salvaged from this project.

1. Handle and store stone so as not to fracture individual units.

2. Remove existing mortar from surface.

3. Reuse only stone in good condition as approved by Contracting Officer.

B. Replacement Stone:

1. Match existing stone in type, hardness, weatherability, density, color, cut and range of size.

2. If necessary, provide certification from a professional geologist that the new stone is a match of the existing stone to be replaced.

2.02 MORTAR

A. Cementitious Materials:

1. Portland Cement: ASTM C150, Type I, white.

2. Lime: Hydrated lime; standard manufacture; ASTM C207, Type S

3. Lime Putty: ASTM C5

4. Custom pre-blended lime mortars are permitted as approved by Contracting Officer.

5. Pre-blended masonry cements are not permitted.

B. Aggregate: Sand: ASTM C144, clean, washed and free from impurities.

1. Size and Gradation: 30% void ratio by volume. Match sand(s) in existing mortars as approved by Contracting Officer.

2. Color: Match sand(s) in existing mortars as approved by Contracting Officer. Final mortar color may be affected by aggregate color. Select sand(s) to match existing sand(s) as much as possible.

C. Admixtures:

1. No air-entraining admixtures or materials containing air-entraining mixtures will be used in mortar.

2. No antifreeze compounds or other substances will be added to mortar.

3. Calcium chloride or admixtures containing chloride ions are not permitted.

2.01 MORTAR MIXES

A. Final mortar mix designs to be determined after inspection by Contracting Officer. Bedding mortar to match repointing mortar.

B. Mortar for Stone Piers - proportions by volume (equal to ASTM Type N):

1. Cement: 1 part

2. Lime: 1 part

3. Sand: 5-6 parts

C. Mortar for Stone Floor - proportions by volume (equal to ASTM Type O):

1. Cement: 1 part

2. Lime: 2 parts

3. Sand: 7-9 parts

PART 3 – EXECUTION

3.01 PREPARATION

A. Inspection: Inspect existing floor with Contracting Officer to confirm extent of jointing and rebuilding work.

B. Protection: Protect adjacent surfaces from mortar droppings.

C. Stone Removal and Storage:

1. Salvage removed stone, including partial or broken units. Salvage as many whole, undamaged stones as possible.

2. Clean surfaces to remove mortar, dirt, paint, and other substances that could affect bonding during reinstallation.

3. Store stone on pallets, off of ground.

D. Joint Raking:

1. Remove existing mortar to a minimum depth of (2) times the width of the joint back from the finished face of the mortar joint.

2. If using saws or grinders, make only one pass through center of each joint. Rake out remainder of mortar in joints by hand chisel and mallet. Do not chip, cur, or spall face of stone, or widen joints.

3. Remove mortar from masonry surfaces within raked-out joints to provide reveals with square backs and to expose masonry for contract with pointing mortar.

4. Remove loose materials with a brush and air pressure.

5. Joint raking operations resulting in damage to masonry will cease immediately until tools, workmen, and methodology can be reviewed and corrective measures taken to acceptance of Contracting Officer. Masonry damaged as a result of joint raking procedures will be repaired or replaced at no additional cost to Government.

3.02 INSTALLATION

A. Measuring and Mixing Mortar:

1. Measure the proportions and mix the mortar in accordance with ASTM C 270, unless otherwise directed. Use automatic measuring devices that will consistently maintain the specified proportion within a 5 percentage (plus or minus) tolerance.

2. Mix mortar in a mechanically operated drum-type batch mixer in which water can be accurately and uniformly controlled.

3. Mix all dry ingredients for at least two minutes, then add water and mix for at least three additional minutes. Do not exceed, in volume of mixed material, the manufacturer's rated capacity of mixer. Empty the mixer completely after each batch. Keep mixer and all other equipment clean.

4. Using Mortar: Use mortar as soon as practicable after mixing. At air temperatures of 80º F and higher, use mortar within 2-1/2 hours of introduction of water to the mix. At lower temperatures, this time may be increased to 3-1/2 hours. Discard all mortar not used within these time limits. As an option to the above, if the initial set time of cements used are determined according to ASTM C 266, the time limit for use of mortar will be determined as follows: Initial set of cement minus one (1) hour if air temperature is 80º F or higher, or initial set of cement minus one quarter (1/4) hour if air temperature is less than 80º F. Determine time limit for use of mortar from the cement with the shortest initial set time.

B. Pointing:

1. Wet joints thoroughly before pointing, allowing water to soak into surface to prevent free-standing water.

2. Fill joints solidly with pointing mortar. Mortar shall be placed into joints in approximately 1/4” layers and tightly compressed. When each layer is “thumbprint” hard, another 1/4” layer shall be placed into joint.

3. Exercise care to fully fill joints to proper depth, and finally tool joints at appropriate time to avoid tool burn or slicking. Tool and texture joints to match original appearance of joints. Remove excess mortar from edge of joint by brushing.

4. On hot, dry days pointing operations will be done in shade only.

5. Cure mortar by maintaining a damp condition for 72 hours. Hairline cracking within mortar or separation at edge of joint will be unacceptable. Work determined to be unacceptable will be replaced and re-inspected.

C. Masonry Rebuilding:

1. Masonry to be reconstructed as determined by Contracting Officer.

2. Masonry shall be saturated and surface damp, but not dripping when set.

3. Set stone in place on freshly placed mortar. Tooth all new work into existing, setting brick flush with adjacent brick. Construct as if brick will be exposed to view, strike mortar joints as determined by Contracting Officer.

3.03 Curing, Protecting, and Cleaning

A. Protect newly completed mortared masonry against frost and the elements, and cure with water moisture for a minimum of three (3) days.

B. Improperly cured or improperly protected masonry will be removed and suitably replaced by the Contractor at his expense.

C. Place no loads on the masonry, nor any backfill behind it, until at least five (5) days have elapsed from masonry placement.

END OF SECTION

DIVISION 5 - METALS

05500 - Metal Fabrications

SECTION 05500

METAL FABRICATIONS

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

PART 2 - PRODUCTS

A. Steel pipe for column bases shall be 12” niminal diameter, standard weight in accordance with ASTM a53 Grade B steel.

B. Plate steel shall be A-36 steel.

C. Primer coat shall be DEVGUARD 4141 Rust Preventative Primer, white color D. Finish coat shall be DEVGUARD 4348, brown color.

PART 3 - EXECUTION

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.

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

Shop apply one coat of primer and two finish coats.

DIVISION 6 - WOOD AND PLASTICS

06100 - Rough Carpentry

06200 - Finish Carpentry

SECTION 06100

ROUGH CARPENTRY

This section includes rough carpentry.

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.

Kiln dried lumber shall not exceed 15% moisture content as determined by ASTM Test Method D-2016; all other lumber shall not exceed 20%.

PART 2 - PRODUCTS

A.

Round columns, Beams and rafters shall be cut from 0.60 CCA treated SYP per ASTM D-25 latest version, no splices shall be used. Poles shall be produced by Cox Industries or equal, Leland NC Tel. 910-371-3131. Contact person is Jim Norton or Mike Rouse.

B.

Roof Sheating shall be # 1 SYP T & G - 2x6 CCA ground contact treated.

C.

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 rafters and nail in accordance with manufacturers' instructions.

b.

As soon as sheathing is in place, cover all roof areas with ice shield or equal weather guard.

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.

DIVISION 7 - THERMAL AND MOISTURE

073129 – Wood Shake Roofing

07920 - Sealants and Caulking

SECTION 073129

WOOD SHAKE ROOFING

PART 1 – GENERAL

1.01 SUMMARY

A. Section Includes:

1. Installation of wood shake roofing system.

B. Related Sections:

1. Section 06100 Rough Carpentry

2. Section 07920 Sealants and Caulking

1.02 REFERENCES

A. American Society fro Testing and Materials: ASTM D226 Specification for Asphalt-Saturated Organic Felt Used in Roofing and Waterproofing

B. National Roofing Contractors Association: The NRCA Roofing and Waterproofing Manual, section on Wood Shakes and Wood Shake Roofing.

C. Cedar Shake & Shingle Bureau: Installation and Maintenance Manual.

1.03 QUALITY ASSURANCE

A. Qualifications: Roofers will be trained or qualified in installation techniques and procedures of wood shake roofing and will demonstrate a minimum of 5 years successful experience in such work. Architect reserves right to reject roofers not meeting qualifications.

1.04 SUBMITTALS

A. Product Literature: Technical product data installation instructions and product literature.

B. Samples:

1. Full range of full sized shakes for shape, cut, size and texture. Minimum of 10 shakes.

2. Each type of fastener.

C. Field Samples: Construct 4 foot x 4 foot panel of shake installation, including all underlayments and membranes.

D. Maintenance Stock: 5% of wood shakes used.

E. Guarantee: Provide a manufacturer’s or installer’s guarantee covering both material and workmanship. Roof guarantee will be for a period of five years from Date of Substantial Completion.

F. Warranty: Provide five year workmanship warranty.

1.05 DELIVERY, STORAGE, AND HANDLING

A. Packaging and Shipping:

1. Deliver materials in manufacturer’s unopened bundles, rolls or containers with labels intact.

B. Storage and Protection:

1. Store materials on raised platforms.

2. Cover materials with tarpaulins or plastic in a manner to provide air circulation.

PART 2 – PRODUCTS

2.01 MATERIALS

A. Wood Shakes:

1. Material: Premium grade Certi-Split® hand-split wood shakes, western red cedar, clear heartwood, 100% edge grain, no defects.

2. Preservative Treatment: Certi-Last® Pressure Impregnated preservative treatment

3. Size and Exposure:

a. Thickness: 1/2" medium

b. Length: 24 inches, tapered

c. Width: 4” minimum, 8” maximum

d. Exposure: 7-1/2” maximum

B. Felt Underlayment: 30 lb. asphalt saturated organic felts, unperforated, ASTM D 226.

C. Continuous Ventilation Underlayment: “Cedar Breather”, manufactured by Benjamin Obdyke.

D. Ice & Water Barrier: “Ice & Water Shield”, manufactured by W. R. Grace.

E. Fasteners: 11 or 12 gauge barbed shank stainless steel roofing nails, 3/8 inch heads, length sufficient to penetrate ¾ inches into decking.

F. Roofing Cement: ASTM D2822; plastic cement for use with specified shakes.

PART 3 – EXECUTION

3.01 INSTALLATION

A. Underlayment:

1. Nail metal edge flashing directly to deck as detailed.

2. Starting at the low edge of the roof, lay one layer of ice & water membrane horizontally over the entire roof edge. Lap edges per manufacturer’s instructions.

3. Secure underlayment with minimum recommended fasteners to hold it in place until shakes are applied.

B. Shake Coursing:

1. Use a double layer of shakes as a starter course, projecting shakes 1-1/2 inches beyond sheathing. Nail starter course using the same spacing as for shakes.

2. Snap chalk lines parallel to eaves at appropriate intervals to keep shakes in alignment.

3. Install shakes, spacing adjoining shakes no less than 3/8” and no more than 5/8”.

4. Nail each shake with two nails spaced 3/4" to 1” inch from edge of shake and 1-1/2 inches above butt line of subsequent course. Nails to be driven flush but not so that the nail head crushes the wood. Nail heads will be concealed by subsequent course.

5. Lay a horizontal layer of felt underlayment over each course per detail.

6. Stagger edge joints a minimum of 1-1/2 inches in succeeding courses.

7. Cut and fit shakes at ridges and edges to provide maximum weather protection.

C. Ridges:

1. Ridge shakes will be cut from shakes used to cover the roof.

2. Install saddle ridges per manufacturers details, using material of uniform width, alternating overlap.

3. Set upper ridge shakes in roof cement and fasten as indicated.

3.02 INSPECTION

A. Inspect roof and correct any deficiencies prior to final completion.

SECTION 07920

SEALANTS AND CAULKING

PART 1 - GENERAL

A.

This item includes the furnishing and installation of all sealants and other related items necessary to complete the project.

B.

Product Handling

1.

Deliver sealants and related accessories to the job site in factory-sealed, unopened containers bearing manufacturer's name and product designation.

2.

Store in unopened containers. Follow manufacturer's recommendations for storage temperatures and shelf life.

3.

Follow manufacturer's recommendation for handling products containing toxic materials. Keep flammable material away from heat, sparks, and open flame. Use recommended solvents and cleaning agents for cleaning tools, equipment, and skin.

PART 2 - PRODUCTS

A.

All sealants, primers, and accessories shall be nonstaining to adjacent exposed materials.

1.

Products having similar application and usage shall be of the same manufacturer and type.

2.

Unless otherwise specified, color shall be selected from approved manufacturer's standard range.

3.

Use gum-consistency compounds unless otherwise required by job conditions.

B.

Sealants shall be Tremco "Mono," one-part acrylic terpolymer sealant or approved equal.

C.

Backer rod shall be polyethylene or polyurethane foam rod.

PART 3 - EXECUTION

A.

Clean all joints, removing all foreign matter such as dirt, dust, moisture, frost, rust, mill scale, paint, lacquer, and protective coatings. All joints shall be free of loose particles.

1.

Use no cleaning solvents which leave residue. Wipe joints free of solvent using clean, dry white cloths or white lintless paper. Do not permit solvent to air dry.

B.

Apply materials in accordance with manufacturer's written instructions.

C.

Use masking tape when practical to control lap of materials onto adjacent surfaces or to facilitate tooling. Remove tape immediately after caulking and sealing.

D.

Colored sealants shall be installed to match the surrounding material colors.

1.

If the condition does not clearly present the proper color solution, refer the question to the COR.

E.

Clean adjacent surfaces soiled by caulking and sealing operations.

SECTION 09 91 13

EXTERIOR COMMERCIAL PAINTS AND COATINGS

Part 1 seq level0 \h \r0 seq level1 \h \r0 seq level2 \h \r0 seq level3 \h \r0 seq level4 \h \r0 seq level5 \h \r0 seq level6 \h \r0 seq level7 \h \r0 GENERAL

1.1

SECTION INCLUDES

A Exterior paint and coating systems.

1.2

RELATED SECTIONS

A Section 05 05 13 - Shop Applied Coatings for Metal

B Section 06 01 40 - Architectural Woodwork Refinishing

C Section 06 05 83 - Shop Applied Wood Coatings

D Section 07 19 00 - Water Repellents

E Section 09 67 00 - Fluid Applied Flooring for Concrete

F Section 09 93 00 - Stains and Transparent Finishes

G Section 09 96 00 - High-Performance Coatings

1.3

REFERENCES

A SSPC-SP 1 - Solvent Cleaning

B SSPC-SP 2 - Hand Tool Cleaning

C SSPC-SP 3 - Power Tool Cleaning

D SSPC-SP 13 / NACE No. 6 Surface Preparation for Concrete

E EPA-Method 24

1.4

SUBMITTALS

A Submit under provisions of Section 01 33 00, Submittal Procedures.

B Product Data: Manufacturer's data sheets on each paint and coating product should include:

Product characteristics

Surface preparation instructions and recommendations

Primer requirements and finish specification

Storage and handling requirements and recommendations

Application methods

Cautions

C Selection Samples: Submit a complete set of color chips that represent the full range of manufacturer's color samples available.

D Verification Samples: For each finish product specified, submit samples that represent actual product, color, and sheen.

1.5

MOCK-UP

Include a mock-up if the project size and/or quality warrant taking such a precaution. The following is one example of how a mock-up on a large project might be specified. When deciding on the extent of the mock-up, consider all the major different types of painting on the project.

A. Finish surfaces for verification of products, colors, & sheens.

B. Finish area designated by Architect.

C. Provide samples that designate prime & finish coats.

D. Do not proceed with remaining work until the Architect approves the mock-up samples.

1.6

DELIVERY, STORAGE, AND HANDLING

A Delivery: Deliver manufacturer's unopened containers to the work site. Packaging shall bear the manufacturers name, label, and the following list of information:

Product name, and type (description)

Application & use instructions

Surface preparation

VOC content

Environmental issues

Batch date

Color number

Storage: Store and dispose of solvent-based materials, and materials used with solvent-based materials, in accordance with requirements of local authorities having jurisdiction.

Store materials in an area that is within the acceptable temperature range, per manufacturer’s instructions. Protect from freezing.

C Handling: Maintain a clean, dry storage area, to prevent contamination or damage to the coatings.

1.7

PROJECT CONDITIONS

Maintain environmental conditions (temperature, humidity, and ventilation) within limits recommended by manufacturer for optimum results. Do not apply coatings under environmental conditions outside manufacturer's absolute limits.

Part 2

PRODUCTS

2.1

MANUFACTURERS

A Acceptable Manufacturer:

The Sherwin-Williams Company

101 Prospect Avenue NW

Cleveland, OH 44115

Tel: (800) 321-8194

Fax: (216) 566-1392 www.sherwin-williams.com

Substitutions: Requests for substitutions will be considered in accordance with provisions of Section 01 60 00 Product Requirements.

When submitting request for substitution, provide complete product data specified above under Submittals, for each substitute product.

2.2

APPLICATIONS/SCOPE

A Use this article to define the scope of painting if not fully defined in a Finish Schedule or on the drawings. This article must be carefully edited to reflect the surfaces actually found on the project. In some cases, it may be enough to use the first paragraph that says, in effect, "paint everything" along with a list of items not to paint, without exhaustively defining all the different surfaces and items that must be painted.

B If the project involves repainting some but not all existing painted surfaces, be sure to indicate the extent of the repainting.

C The descriptions of each system can also be used to further refine the definition of what is to be painted, stained, or clear finished.

D Surfaces To Be Coated: (return to top)

Wood: Floors, and Platforms

Wood: Siding, Trim, Shutters, Sash, and Misc. Hardboard

2.3 SCHEDULE INDEX - EXTERIOR SURFACES (NORMAL EXPOSURE)

A.

WOOD - (Siding, Trim, Shutters, Sash, Misc., Hardboard (return to substrates)

Latex Systems

Gloss Finish b.

Semi-Gloss c.

Satin Finish d.

Flat Finish

Stain - Water Reducible Systems

a. Semi-Transparent

Solid Color

b. EDIT THIS SCHEDULE TO SELECT PRODUCT AND FINISH DESIRED

2.3 SCHEDULE

G.

WOOD

(Siding, Trim, Shutters, Sashes, Hardboard-Bare/Primed)

Stain - Water Reducible Systems

Solid Color

1st Coat:

S-W WoodScapes Solid Color Stain, A15 Series - SW 3007 – Lodge Brown

2nd Coat:

S-W WoodScapes Solid Color Stain, A15 Series - SW 3007 – Lodge Brown (200-400 sq ft/gal)

2.4

MATERIALS - GENERAL REQUIREMENTS

A Paints and Coatings - General:

Unless otherwise indicated, provide factory-mixed coatings. When required, mix coatings to correct consistency in accordance with manufacturer's instructions before application. Do not reduce, thin, or dilute coatings or add materials to coatings unless such a procedure is specifically described in manufacturer's product instructions. VOC’s need to be confirmed by using the products MSDS sheets.

Primers:

Where the manufacturer offers options on primers for a particular substrate, use primer categorized as "best" by the manufacturer.

2.5

ACCESSORIES:

A Coating Application Accessories:

Provide all primers, sealers, cleaning agents, cleaning cloths, sanding materials, and clean-up materials required per manufacturer’s specifications.

Part 3

EXECUTION

3.1

EXAMINATION

A Do not begin application of coatings until substrates have been properly prepared. Notify Architect of unsatisfactory conditions before proceeding

B If substrate preparation is the responsibility of another installer, notify Architect of unsatisfactory preparation before proceeding.

C Proceed with work only after conditions have been corrected, and approved by all parties, otherwise application of coatings will be considered as an acceptance of surface conditions.

3.2

SURFACE PREPARATION:

A Proper product selection, surface preparation, and application affect coating performance. Coating integrity and service life will be reduced because of improperly prepared surfaces. Selection and implementation of proper surface preparation ensures coating adhesion to the substrate and prolongs the service life of the coating system.

B Selection of the proper method of surface preparation depends on the substrate, the environment, and the expected service life of the coating system. Economics, surface contamination, and the effect on the substrate will also influence the selection of surface preparation methods.

C The surface must be dry and in sound condition. Remove oil, dust, dirt, loose rust, peeling paint or other contamination to ensure good adhesion.

D Remove mildew before painting by washing with a solution of 1 part liquid household bleach and 3 parts of warm water. Apply the solution and scrub the mildewed area. Allow the solution to remain on the surface for 10 minutes. Rinse thoroughly with clean water and allow the surface to dry 48 hours before painting. Wear protective glasses or goggles, waterproof gloves, and protective clothing. Quickly wash off any of the mixture that comes in contact with your skin. Do not add detergents or ammonia to the bleach/water solution.

E. No exterior painting should be done immediately after a rain, during foggy weather, when rain is predicted, or when the temperature is below 50°F, unless products are designed specifically for these conditions. On large expanses of metal siding, the air, surface and material temperatures must be 50°F or higher to use low temperature products.

F Methods:

Solvent Cleaning, SSPC-SP1

Solvent cleaning is a method for removing all visible oil, grease, soil, drawing and cutting compounds, and other soluble contaminants. Solvent cleaning does not remove rust or mill scale. Change rags and cleaning solution frequently so that deposits of oil and grease are not spread over additional areas in the cleaning process. Be sure to allow adequate ventilation.

Hand Tool Cleaning, SSPC-SP2

Hand Tool Cleaning removes all loose mill scale, loose rust, and other detrimental foreign matter. It is not intended that adherent mill scale, rust, and paint be removed by this process. Before hand tool cleaning, remove visible oil, grease, soluble welding residues, and salts by the methods outlined in SSPC-SP1.

Power Tool Cleaning, SSPC-SP3

Power Tool Cleaning removes all loose mill scale, loose rust, and other detrimental foreign matter. It is not intended that adherent mill scale, rust, and paint be removed by this process. Before power tool cleaning, remove visible oil, grease, soluble welding residues, and salts by the methods outlined in SSPC-SP1.

Brush-Off Blast Cleaning, SSPC-SP7 or NACE 4

A Brush-Off Blast Cleaned surface, when viewed without magnification, shall be free of all visible oil, grease, dirt, dust, loose mill scale, loose rust, and loose paint. Tightly adherent mill scale, rust, and paint may remain on the surface. Before blast cleaning, visible deposits of oil or grease shall be removed by any of the methods specified in SSPC-SP 1 or other agreed upon methods.

Wood—Exterior

Must be clean and dry. Prime and paint as soon as possible. Knots and pitch streaks must be scraped, sanded, and spot primed before a full priming coat is applied.

WARNING! Removal of old paint by sanding, scraping or other means may generate dust or fumes that contain lead. Exposure to lead dust or fumes may cause brain damage or other adverse health effects, especially in children or pregnant women. Controlling exposure to lead or other hazardous substances requires the use of proper protective equipment, such as a properly fitted respirator (NIOSH approved) and proper containment and cleanup.

For more information, call the National Lead Information Center at 1-800-424-LEAD (in US) or contact your local health authority.

3.3

INSTALLATION

A Apply all coatings and materials with manufacturer’s specifications in mind. Mix and thin coatings according to manufacturer’s recommendation.

B Do not apply to wet or damp surfaces.

Wait at least 30 days before applying to new concrete or masonry. Or follow manufacturer’s procedures to apply appropriate coatings prior to 30 days.

Test new concrete for moisture content.

Wait until wood is fully dry after rain or morning fog or dew.

C Apply coatings using methods recommended by manufacturer.

D Uniformly apply coatings without runs, drips, or sags, without brush marks, and with consistent sheen.

E Apply coatings at spreading rate required to achieve the manufacturer’s recommended dry film thickness.

F Dark Colors and Deep Clear Colors: Regardless of number of coats specified, apply as many coats as necessary for complete hide.

G Exterior Woodwork: If final painting must be delayed more than 2 weeks after installation of woodwork, apply primer within 2 weeks and final coating within 2 weeks.

H Inspection: The coated surface must be inspected and approved by the Architect or Engineer just prior to each coat.

3.4

PROTECTION

A Protect finished coatings from damage until completion of project.

Touch-up damaged coatings after substantial completion, following manufacturer’s recommendation for touch up or repair of damaged coatings. Repair any defects that will hinder the performance of the coatings.