10 - Complete Spec Pkg.pdf

WESTERN DIVIDE RANGER DISTRICT

FACILITIES REPAIR PROJECT

LIST OF SPECIFICATIONS

DIVISION 1 – GENERAL REQUIREMENTS

Section 01010 – Summary of Work

Section 01301 – Mobilization

DIVISION 2 – SITE WORK

Section 02100 – Demolition

Section 02720 – Road Closure Gates

DIVISION 3 – CONCRETE

Section 03300 – Cast-In-Place Concrete

DIVISION 6 – WOOD AND PLASTIC

Section 06100 – Rough Carpentry

Section 06130 – Exterior Wood Deck Construction

DIVISION 7 – THERMAL AND MOISTURE PROTECTION

Section 07190 – Building Paper

Section 07210 – Building Insulation

Section 07460 – Siding

Section 07610 – Roofing

DIVISION 9 – FINISHES

Section 09250 – Gypsum Board

Section 09900 – Painting and Staining/Sealing

DIVISION 13 – SPECIAL CONSTRUCTION

Section 13035 – Miscellaneous Repairs

DIVISION 15 – MECHANICAL

Section 15010 – General Mechanical Provisions

Section 15500 – Heating, Ventilation, and Air Conditioning

END OF SECTION

DIVISION 1

GENERAL REQUIREMENTS

01010 - 1 of 6

SECTION 01010

SUMMARY OF WORK

PART 1 - GENERAL

1.1 DESCRIPTION OF WORK

A. The intent of this contract is to provide building repairs for three (3) administrative sites on the Sequoia National Forest located on the Western Divide Ranger District.

B. Furnish all labor, equipment and material to accomplish the work under this contract.

Work includes but is not limited to the following items.

1. Upper Grouse Valley

a. Replace roof on one (1) building including removal of old roofing material and installation of new roof including new deck and fascia as specified or needed, cleanup, and incidental items.

1) Remove and dispose of existing roofing material and any deck boards to be replaced.

2) Inspect and replace damaged, excessively warped, delaminated, or rotted roof decking, or installation of complete roof deck where specified.

3) Furnish and install builders felt or other approved roofing underlayment as specified.

4) Furnish and install roofing including all attachments, trim, closure strips, and roof penetration boots/gaskets as required on specified buildings.

b. Install snow divertors on roof vents on three buildings as specified

c. Minor roof repairs to two (2) buildings as noted on the drawings

d. Minor repairs to exterior siding, trim, decks, and other exterior features on two (2) buildings

e. Reseal/restain the exterior siding, decks, and trim on two (2) buildings

f. Replace exterior deck on one (1) building

g. Replace heating system ductwork in crawlspace under one (1) building

h. Repair water damage to sheetrock and insulation inside one (1) building and repaint interior

2. Johnsondale Work Center

a. Replace roof on one (1) building including removal of old roofing material and installation of new roof including new deck and fascia as specified or needed, cleanup, and incidental items.

1) Remove and dispose of existing roofing material and any deck boards to be replaced.

2) Inspect and replace damaged, excessively warped, delaminated, or rotted roof decking, or installation of complete roof deck where specified.

3) Furnish and install builders felt or other approved roofing underlayment as specified.

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4) Furnish and install roofing including all attachments, trim, closure strips, and roof penetration boots/gaskets as required on specified buildings.

b. Install new gutter and two downspouts on one building as specified.

c. Replace twelve (12) windows in one residence as specified.

d. Perform minor siding repairs on one (1) building as specified, replace trim and fascia as specified, replace one (1) exterior pre-hung door, and replace two (2) crawlspace screens as specified.

e. OPTIONAL WORK –

1) Replace roofs on three (3) buildings including removal of old roofing material and installation of new roof including new deck and fascia as specified or needed, cleanup, and incidental items.

a) Remove and dispose of existing roofing material and any deck boards to be replaced.

b) Inspect and replace damaged, excessively warped, delaminated, or rotted roof decking, or installation of complete roof deck where specified.

c) Furnish and install builders felt or other approved roofing underlayment as specified.

d) Furnish and install roofing including all attachments, trim, closure strips, and roof penetration boots/gaskets as required on specified buildings.

2) Furnish and install eight (8) snow divertors total on three (3) roofs.

3) Perform minor siding repairs on five (5) buildings as specified, replace trim and fascia as specified, replace two (2) exterior pre-hung doors, one shed door, and repair/replace two (2) screen doors as specified.

4) Remove and re-install gutter and downspout on one building and install new gutters and downspouts on one building as specified.

5) Reseal/re-stain complete exteriors of three (3) buildings, including materials, supplies, surface cleaning and preparation, and complete resealing/re-staining.

6) Repaint complete exteriors of three (3) buildings, including materials, supplies, surface cleaning and preparation, and complete repainting.

3. Hot Springs Work Center

a. Partial siding replacement with trim on two (2) buildings as specified, including repairs to wall substrates (framing and sheathing) as needed, replacement of wood trim on two (2) buildings in areas where siding is not replaced, and replacement of one screen door on one (1) building.

b. Replace two HVAC units on two residences (one on each) complete and operational, including mounting stands, plenum adaptors, electronic thermostats, properly sizing the new units for the respective locations/elevation/climate, and new unit utility service connections for gas and electrical as needed.

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c. OPTIONAL WORK –

1) Partial siding replacement with trim on three (3) buildings as specified, including repairs to wall substrates (framing and sheathing) as needed, and replacement of wood trim on three (3) buildings in areas where siding is not replaced.

2) Repaint complete exteriors of five (5) buildings, including materials, supplies, surface cleaning and preparation, and complete repainting.

3) Furnish and install one road closure gate at the entrance to the work center.

C. Project Location:

The project sites are located on the Sequoia National Forest on the Western Divide

Ranger District at Upper Grouse Valley, Johnsondale Work Center, and Hot Springs

Work Center (See Vicinity Maps and site plans in the drawings).

Three buildings are located at Upper Grouse Valley on Blue Ridge road near Springville, Tulare County, CA; Township 19 S., Range 29 E., Section 2.

Six buildings are located at the Johnsondale Work Center, 01 FS Road 22S10A in

Johnsondale; Tulare County, CA; Township 22 S., Range 31 E., Section 35.

Five buildings are located at the Hot Springs Work Center, 43474 Parker Pass Drive in

California Hot Springs, CA; Township 23 S., Range 31 E., Section 32.

1.2 MEASUREMENT AND PAYMENT

A. Unit of Measurement:

1. Each (EA). One complete assembly or unit, as described in the specifications;

furnished and installed.

2. Linear Foot (LF). One unit of work measuring one foot in length parallel to the work surface, regardless of width or thickness of material.

3. Lump Sum (LS). One complete unit, which may consist of one or more parts.

4. Square Foot (SF). One unit of work measuring one foot by one foot square, parallel to the work surface.

Method of Measurement:

1. Actual Quantity (AQ). These quantities denote a unit of measurement based on measurement of actual work completed in the field and measured for payment.

2. Lump Sum Quantities (LSQ). These quantities denote one complete unit of work as required or described in the Contract, including necessary materials, equipment, and labor to complete the Work. They will not be measured.

B. Payment:

1. For each individual item listed here and in the Schedule of Items, payment shall be full compensation for all work related to the particular item in accordance with these specifications, as shown on the drawings, and as staked in the field.

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2. Measurement and payment for contract work shall be made only for and under those pay items included in the SCHEDULE OF ITEMS. All other work and materials shall be considered incidental or as included in the payment for items shown.

C. Description of Bid (Pay) Items - Descriptions of bid items shown in the Schedule of

Items are an abbreviated explanation of pay items and may not include all requirements to complete the Work required for each item. Contractor should refer to Contract

Sections, Drawings, and Specifications for complete details.

1.3 SPECIFICATIONS AND DRAWINGS

A. The specifications establish the construction procedures and materials to be employed throughout. All work shall be completed in accordance with these specifications and project drawings.

B. Submit shop drawings for approval for all components that are in variance from that specified or SHOWN ON THE DRAWINGS or that varies in dimension, configuration, etc. The Government retains the right to reject any component or system that is not fully comparable to that specified herein.

1.4 SUBMITTALS

A. Provide submittals for review and approval as follows at least seven days prior to the start of work.

1. Contractor’s construction schedule showing the planned completion of work by date and location.

2. Product data with manufacturer’s installation and maintenance recommendations as appropriate for ribbed metal roofing, siding, vapor barrier, paint, HVAC units, and other products as required which are planned to be incorporated into the work. Submit two copies for review; one set will be returned.

3. The Contracting Officer will review product submittals within 14 calendar days from the date the submittal is received.

1.5 MEALS AND LODGING

A. Meals or lodging will not be available at Forest Service facilities.

1.6 CONSTRUCTION ADMINISTRATION

A. No dumping of waste products of any type will be permitted. All waste shall be transported to an approved sanitary landfill disposal off Forest Service lands.

B. Contractor shall provide toilet facilities for its employees.

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C. Materials for construction, construction vehicles and equipment may be stockpiled and staged at the project site in an area designated by the Contracting Officer.

D. The Contractor shall take precautions to protect all work and materials during the construction period.

E. The Contractor is responsible for safeguarding the public and employees from construction operations.

F. Contractor shall comply with the provisions of Contract Section C.6 SPECIAL

CONDITIONS AFFECTING THE WORK.

1.7 DEMOLITION

A. All trash, debris, items designated to be removed, and other waste generated as a result of demolition under this specification become property of the Contractor and shall be removed from Forest Service lands and properly disposed in accordance with all applicable Federal, State, and Local Government laws, regulations, rules and/or codes.

B. All construction debris from utilities construction, and demolition of existing conditions, shall be cleaned up and disposed of off National Forest Land. All clearing debris shall be scattered within the clearing limits after utilities construction is complete and used as a soil stabilizer to help prevent erosion. All vegetative matter including roots, stumps, and logs must be disposed of off National Forest Lands.

1.8 RECORD DOCUMENT SUBMITTALS

A. Maintenance Manuals: Organize operation and maintenance data into suitable sets of manageable size. Bind properly indexed data in individual, heavy-duty, 2-inch, 3-ring, vinyl-covered binders, with pocket folders for folded sheet information. Mark appropriate identification on front and spine of each binder. Include the following types of information:

1. Emergency instructions.

2. Spare parts list.

3. Copies of warranties.

4. Wiring diagrams.

5. Recommended "turn-around" cycles.

6. Inspection procedures.

7. Shop Drawings and Product Data.

8. As-Built-Drawings

B. Submit 3 copies for the Contracting Officer’s review. The Contracting Officer will return one set.

1.9 CONSTRUCTION SEQUENCE

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A. The project shall be completed within the time frame established by the terms of this contract and according to the approved Schedule of Work.

B. Depending on conditions, normal fire restrictions may apply to activities associated with this project.

1.10 FINAL CLEANING

A. Complete the following cleaning operations before requesting inspection for certification of Completion.

1. Remove labels that are not permanent labels.

2. Clean exposed exterior and interior hard-surfaced finishes to a dust-free condition, free of stains, films, and similar foreign substances. Restore reflective surfaces to their original condition. Leave concrete floors broom clean.

3. Wipe surfaces of mechanical and electrical equipment. Remove excess lubrication and other substances. Clean light fixtures and lamps.

4. Clean the site, including landscape development areas, of rubbish, litter, and other foreign substances. Sweep paved areas broom clean; remove stains, spills, and other foreign deposits. Rake grounds that are neither paved nor planted to a smooth, even-textured surface.

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SECTION 01301

MOBILIZATION

PART 1 - GENERAL

1.1 DESCRIPTION

A. This Work consists of moving personnel, equipment, material, and incidentals to the project and performing all work necessary before beginning work at the project site.

Mobilization includes the obtaining of all permits, insurance, and bonds.

1.2 PERMITS

A. The Government does not purchase building, electrical, plumbing, or encroachment permits. The Contractor will not be reimbursed for such permits. The Contractor, under its program for project quality control, may request and pay for inspection of these items from the local jurisdiction. All other permits remain the Contractor’s responsibility to obtain.

B. The contractor is responsible for the fees and permits required to move oversize loads on state and local roads.

1.3 MEASUREMENT AND PAYMENT

A. Method of Measurement: Lump Sum Quantity (LSQ).

B. Unit of Measurement: Lump Sum (LS). The Government will only pay for the initial project mobilization. Additional project mobilizations, regardless of cause, will not be paid. Mobilization is shown on the SCHEDULE OF ITEMS as one pay item:

Mobilization, Item No. 01301(01). The Contractor shall apportion the appropriate amounts of mobilization attributed to each pay item; however, the provisions of Subsection 1.3.C. apply.

C. Progress payment for Mobilization lump sum will be paid as follows:

1. Bond premiums will be reimbursed according to FAR Clause 52.232-5 Payments under Fixed-Price Construction Contracts, after receipt of the evidence of payment.

2. When 5 percent of the original contract amount is earned from other bid items, 50 percent of the mobilization item, or 5 percent of the original contract amount, whichever is less, will be paid.

3. When 10 percent of the original contract amount is earned from other bid items, 100 percent of the mobilization item, or 10 percent of the original contract amount, whichever is less, will be paid.

4. Any portion of the mobilization item in excess of the 10 percent of the original contract amount will be paid after final acceptance.

DIVISION 2

SITE WORK

02100 - 1

SECTION 02100

DEMOLITION

PART 1 – GENERAL

1.1 SCOPE

A. This section includes the requirements covering disposal of old roofing, underlayment, roof deck to be replaced, deteriorated siding, wall substrates damage to be replaced, old wood decks, other waste generated as a result of demolition, and excess construction material resulting from the work done under this contract and AS SHOWN ON THE DRAWINGS. The work under this section is considered incidental to other pay items.

1.2 RELATED SECTIONS

Section 07610 – Roofing

Section 15500 – Heating, Ventilation, and Air Conditioning

PART 2 – PRODUCTS

2.1 NONE

PART 3 – EXECUTION

3.1 GENERAL

A. All trash, debris, items designated to be removed, and other waste generated as a result of demolition under this specification; become property of the Contractor and shall be removed from

Forest Service lands and properly disposed in accordance with all applicable Federal, State, and

Local Government laws, regulations, rules and/or codes.

3.2 CLEANUP

A. All construction debris from utilities construction, and demolition of existing conditions, shall be cleaned up and disposed of off National Forest Land.

02720 - 1 of 2

SECTION 02720

ROAD CLOSURE GATES

1.01 Scope

Work consists of furnishing and installing a road closure gate for the entrance to Hot Springs

Work Center.

1.02 Related Sections

Section 03300 - Cast-In-Place Concrete

1.03 Measurement and Payment

A. Measurement –

Measurement shall Lump Sum (L.S.) for the double gate furnished, installed complete with accessories, and accepted by the Government.

B. Payment –

The quantity as measured above shall be paid for at the contract unit price for each type as shown in the SCHEDULE OF ITEMS. This will be considered full compensation for materials, labor, and incidentals.

PART 2 – MATERIALS

2.01 Furnish materials to be used in fabricating gates as AS SHOWN ON THE DRAWINGS.

2.02 Furnish metal beam elements, steel posts, structural steel and steel pipe that meet the requirements AS SHOWN ON THE DRAWINGS.

2.03 Ensure that all hardware is galvanized in accordance with AASHTO M 232 and meets the requirements of ASTM A 307. Furnish plain or cut washers that are American Standard

Washers.

2.04 Furnish concrete that meets the requirements of Subsection 03300.

2.05 Backfill around gate posts - Satisfactory or suitable material for backfill shall be free of rock greater than four (4) inches in diameter. Native materials used shall be free of cinders; debris, roots, wood, scrap materials, and other vegetable matter and refuse. Soil materials, which contain vegetable matter, peat, organic clays and silts, sod, mulch or rubbish, are unsuitable and shall not be used and moved to the disposal site.

2.06

PART 3 – EXECUTION

3.01 Place road closure gates at the locations AS SHOWN ON THE DRAWINGS. Construct all devices to the dimensions AS SHOWN ON THE DRAWINGS.

3.02 In assembling gates, perform required welding in accordance with the best modern practice

02720 - 2 of 2 and the applicable requirements of AWS D1.1.

3.03 After assembly, clean non-galvanized steel pipe gates and paint with one coat of zinc-rich primer and two coats of exterior enamel type and color AS SHOWN ON THE DRAWINGS.

3.04 Excavation

A. General: Excavation shall be made to the lines and grade AS SHOWN ON THE

DRAWINGS and staked in the field by the Government. All suitable excavated material shall be used in the backfill for structures.

B. Excess material from excavation is to be spread around the perimeter of the construction site, incorporated into other work or removed to the designated Disposal Site.

3.05 Set all posts vertically and embed them to the depth AS SHOWN ON THE DRAWINGS.

Place concrete for embedment against undisturbed earth within an excavation sized to achieve the embedment dimensions. Compact the backfill in six (6) inch layers to finished grade.

3.06 Install all signs and/or reflective warning markers accessory to the road closure device, AS

SHOWN ON THE DRAWINGS.

DIVISION 3

CONCRETE

03300 - 1

SECTION 03300

CAST-IN-PLACE CONCRETE

1.1 DESCRIPTION

A. The work of this section consists of constructing concrete column bases for wood column repair, concrete foundations for wood decks, and road closure gate posts as

Shown on the Drawings.

1.2 RELATED SECTIONS

Section 01010 – Summary of Work

Section 02720 – Road Closure Gates

Section 06100 – Rough Carpentry

1.3 MEASUREMENT AND PAYMENT

The concrete material is incidental to other pay items shown in the Schedule of Items.

Separate payment will not be made.

1.4 SUMMARY

This Section specifies cast-in place concrete, including formwork, reinforcement, concrete materials, mix design, placement procedures, and finishes. This work includes cast-in-place concrete for building column foundations, and road closure gate posts.

1.5 SUBMITTALS

A. Product Data: For each type of manufactured material and product indicated.

B. Design Mixes: For each concrete mix. Include alternate mix designs when characteristics of materials, project conditions, weather, test results, or other circumstances warrant adjustments.

1.6 QUALITY ASSURANCE

A. Manufacturer Qualifications: A firm experienced in manufacturing ready-mixed concrete products complying with ASTM C 94 requirements for production facilities and equipment.

B. Source Limitations: Obtain each type or class of cementitious material of the same brand from the same manufacturer's plant, each aggregate from one source, and each admixture from the same manufacturer.

C. ACI Publications: Comply with the following, unless more stringent provisions are indicated:

1. ACI 301, "Specification for Structural Concrete."

2. ACI 117, "Specifications for Tolerances for Concrete Construction and Materials."

03300 - 2

1.7 DELIVERY, STORAGE, AND HANDLING

A. Deliver, store, and handle steel reinforcement to prevent bending and damage.

1. Avoid damaging coatings on steel reinforcement.

2. Repair damaged epoxy coatings on steel reinforcement according to ASTM D 3963.

PART 2 – PRODUCTS

2.1 STEEL REINFORCEMENT

A. Reinforcing Bars: ASTM A 615, Grade 60, deformed.

2.2 REINFORCEMENT ACCESSORIES

A. Bar Supports: Bolsters, chairs, spacers, and other devices for spacing, supporting, and fastening reinforcing bars and welded wire fabric in place. Manufacture bar supports according to CRSI's "Manual of Standard Practice" from steel wire, plastic, or precast concrete or fiber-reinforced concrete of greater compressive strength than concrete.

B. Joint Dowel Bars: Plain-steel bars, ASTM A 615, Grade 60. Cut bars true to length with ends square and free of burrs.

2.3 CONCRETE MATERIALS

A. Portland Cement: ASTM C 150, Type I/II.

B. Normal-Weight Aggregate: ASTM C 33, uniformly graded, and as follows:

1. Class: Severe weathering region, but not less than 3S.

2. Nominal Maximum Aggregate Size: 3/4 inch.

C. Water: Potable and complying with ASTM C 94.

2.4 ADMIXTURES

A. General: Admixtures certified by manufacturer to contain not more than 0.1 percent water-soluble chloride ions by mass of cementitious material and to be compatible with other admixtures and cementitious materials. Do not use admixtures containing calcium chloride.

B. Air-Entraining Admixture: ASTM C 260.

C. Water-Reducing Admixture: ASTM C 494, Type A.

D. Calcium chloride or admixtures containing more than 0.1% chloride ions are not permitted.

2.5 VAPOR RETARDERS

A. Vapor Retarder: ASTM E 1745, Class A, three-ply, nylon- or polyester-cord-reinforced, high-density polyethylene sheet; laminated to a nonwoven geotextile fabric, 30 mils thick.

03300 - 3

1. Available Product: Subject to compliance with requirements, a product that may be incorporated into the Work includes, but is not limited to, "Griffolyn T-65G" by

Reef Industries Inc.

B. Granular Fill: Clean mixture of crushed stone or crushed or uncrushed gravel;

ASTM D 448, Size 57, with 100 percent passing a 1-1/2-inch sieve and 0 to 5 percent passing a No. 8 sieve.

2.6 CONCRETE MIXES

A. Prepare design mixes for each type and strength of concrete determined by either laboratory trial mix or field test data bases, as follows:

1. Proportion normal-weight concrete according to ACI 211.1 and ACI 301.

B. Use a qualified independent testing agency for preparing and reporting proposed mix designs for the laboratory trial mix basis.

C. Slab-on-Grade: Proportion normal-weight concrete mix as follows:

1. Compressive Strength (28 days): 3500 psi.

2. Minimum Cementitious Materials Content (sack/cu. yd.): 6.

3. Maximum Slump: 2-4 inches.

4. Air Entrainment 3% - 6%

D. Admixtures: Use admixtures according to manufacturer's written instructions.

1. Use water-reducing and retarding admixture when required by high temperatures, low humidity, or other adverse placement conditions.

2.7 CONCRETE MIXING

A. Ready-Mixed Concrete: Measure, batch, mix, and deliver concrete according to

ASTM C 94, and furnish batch ticket information.

1. When air temperature is between 85 and 90 deg F, reduce mixing and delivery time from 1 1/2 hours to 75 minutes; when air temperature is above 90 deg F, reduce mixing and delivery time to 60 minutes.

PART 3 – EXECUTION

3.1 FORMWORK

A. Construct formwork so concrete members and structures are of size, shape, alignment, elevation, and position indicated, within tolerance limits of ACI 117.

B. Construct forms tight enough to prevent loss of concrete mortar.

3.2 REMOVING AND REUSING FORMS

A. General: Formwork, for sides of beams, walls, columns, and similar parts of the Work, that does not support weight of concrete may be removed after cumulatively curing at not less than 50 deg F for 24 hours after placing concrete provided concrete is hard

03300 - 4 enough to not be damaged by form-removal operations and provided curing and protection operations are maintained.

3.3 STEEL REINFORCEMENT

A. General: Comply with CRSI's "Manual of Standard Practice" for placing reinforcement.

B. Clean reinforcement of loose rust and mill scale, earth, ice, and other foreign materials.

C. Accurately position, support, and secure reinforcement against displacement. Locate and support reinforcement with bar supports to maintain minimum concrete cover. Do not tack weld crossing reinforcing bars.

D. Set wire ties with ends directed into concrete, not toward exposed concrete surfaces.

3.4 CONCRETE PLACEMENT

A. Before placing concrete, verify that installation of formwork, reinforcement, and embedded items is complete and that required inspections have been performed.

B. Do not add water to concrete during delivery, at Project site, or during placement, unless approved by Contracting Officer.

C. Deposit concrete in forms in horizontal layers no deeper than 24 inches and in a manner to avoid inclined construction joints. Place each layer while preceding layer is still plastic, to avoid cold joints.

1. Consolidate placed concrete with mechanical vibrating equipment. Use equipment and procedures for consolidating concrete recommended by ACI 309R.

D. Cold-Weather Placement: Comply with ACI 306.1 and as follows. Protect concrete work from physical damage or reduced strength that could be caused by frost, freezing actions, or low temperatures.

E. Hot-Weather Placement: Place concrete according to recommendations in ACI 305R and as follows, when hot-weather conditions exist.

3.5 FINISHING FORMED SURFACES

A. Smooth-Rubbed Finish: Not later than one day after form removal, moisten concrete surfaces and rub with carborundum brick or another abrasive until producing a uniform color and texture. Do not apply cement grout other than that created by the rubbing process.

3.6 MISCELLANEOUS CONCRETE ITEMS

A. Filling In: Fill in holes and openings left in concrete structures, unless otherwise indicated, after work of other trades is in place. Mix, place, and cure concrete, as specified, to blend with in-place construction. Provide other miscellaneous concrete filling indicated or required to complete Work.

3.7 CONCRETE PROTECTION AND CURING

03300 - 5

A. General: Protect freshly placed concrete from premature drying and excessive cold or hot temperatures. Comply with ACI 306.1 for cold-weather protection and with recommendations in ACI 305R for hot-weather protection during curing.

3.8 CONCRETE SURFACE REPAIRS

A. Defective Concrete: Repair and patch defective areas when approved by Contracting

Officer. Remove and replace concrete that cannot be repaired and patched to

Contracting Officer's approval.

B. Patching Mortar: Mix dry-pack patching mortar, consisting of one part portland cement to two and one-half parts fine aggregate passing a No. 16 sieve, using only enough water for handling and placing.

C. Repairing Formed Surfaces: Surface defects include color and texture irregularities, cracks, spalls, air bubbles, honeycombs, rock pockets, fins and other projections on the surface, and stains and other discolorations that cannot be removed by cleaning.

D. Perform structural repairs of concrete, subject to Contracting Officer's approval, using epoxy adhesive and patching mortar.

E. Repair materials and installation not specified above may be used, subject to

Contracting Officer’s approval.

DIVISION 6

WOOD AND PLASTIC

06100 - 1 of 5

SECTION 06100

ROUGH CARPENTRY

PART 1 - GENERAL

A. Work under this Section consists of furnishing materials and labor to repair wood framed building wall substrates as required prior to installing new siding. Work may include the following:

1. Framing with dimension lumber.

2. Framing with engineered wood products.

3. Framing with timbers.

4. Wood nailers, and blocking.

5. Sheathing.

B. Related Sections: The following Sections contain requirements that relate to this

Section:

Section 07460 - Siding

1.2 DEFINITIONS

A. Rough carpentry includes carpentry work not specified as part of other Sections and generally not exposed, unless otherwise specified.

1.3 SUBMITTALS

A. General: Submit the following in accordance with Specification Section 01010 – Shop

Drawings and Submittals. Wood treatment data as follows including chemical treatment manufacturer's instructions for handling, storing, installation, and finishing of treated material.

1.4 DELIVERY, STORAGE, AND HANDLING

A. Delivery and Storage: Keep materials under cover and dry. Protect against exposure to weather and contact with damp or wet surfaces. Stack lumber as well as plywood and other panels; provide for air circulation within and around stacks and under temporary coverings including polyethylene and similar materials.

1. For lumber and plywood pressure treated with waterborne chemicals, place spacers between each bundle to provide air circulation.

1.5 QUALITY CONTROL

A. Codes and Standards

06100 - 2 of 5

1. California Building Code, Current Edition.

2. Industry Standards

a. WCLIB Standard Grading Rules No. 16, for Lumber.

b. WWPA Western Lumber Grading Rules.

c. U.S. Bureau of Standards PS-1, for plywood.

d. Redwood Inspection Service Standard Specifications.

B. Quality of products and installation shall conform to codes and standards referenced above, as applicable.

C. Moisture Content: Air-dry untreated lumber, with sticking both horizontally and vertically, for not less than 30 days prior to installation. Kiln-dry treated lumber to 19 percent moisture content.

D. Grade Stamps: All lumber and plywood shall be grade-stamped.

1.6 MEASUREMENT AND PAYMENT

A. Measurement and payment will be made as specified in Section 01010.

PART 2 - PRODUCTS

2.1 LUMBER, GENERAL

A. Lumber Standards: Furnish lumber manufactured to comply with PS 20 "American

Softwood Lumber Standard" and with applicable grading rules of inspection agencies certified by American Lumber Standards Committee's (ALSC) Board of Review.

B. Inspection Agencies: Inspection agencies and the abbreviations used to reference them with lumber grades and species include the following:

1. RIS - Redwood Inspection Service.

2. WCLIB - West Coast Lumber Inspection Bureau.

3. WWPA - Western Wood Products Association.

C. Grade Stamps: Provide lumber with each piece factory-marked with grade stamp of inspection agency evidencing compliance with grading rule requirements and identifying grading agency, grade, species, moisture content at time of surfacing, and mill.

D. Nominal sizes are indicated, except as shown by detail dimensions. Provide actual sizes as required by PS 20, for moisture content specified for each use.

1. Provide dressed lumber, S4S, unless otherwise indicated.

2. Provide seasoned lumber with 19 percent maximum moisture content at time of dressing and shipment for sizes 2 inches or less in nominal thickness, unless otherwise indicated.

06100 - 3 of 5

2.2 DIMENSION LUMBER

A. Sill plates in contact with concrete shall be pressure treated douglas fir - No. 1 for structural walls and construction grade for non-structural walls. At non-structural walls, foundation grade redwood may be substituted.

2.3 MISCELLANEOUS LUMBER

A. General: Provide lumber for support or attachment of other construction including cant strips, bucks, nailers, blocking, furring, grounds, stripping, and similar members.

B. Moisture content: 19 percent maximum for lumber items not specified to receive wood preservative treatment.

C. Grade: "Standard" grade light-framing-size lumber of any species or board-size lumber as required. "No. 3 Common" or "Standard" grade boards per WCLIB or

WWPA rules or "No. 2 Boards" per SPIB rules.

2.4 CONSTRUCTION PANELS, (PLYWOOD), GENERAL

A. Construction Panel Standards: Comply with PS 1 "U.S. Product Standard for

Construction and Industrial Plywood" for plywood construction panels and, for products not manufactured under PS 1 provisions, with APA PRP-108.

B. Trademark: Furnish construction panels that are each factory-marked with APA trademark evidencing compliance with grade requirements.

C. Structural Plywood for roof and wall sheathing shall be Structural I, Grade C-D, exterior glue, thickness to match existing. Span rating of roof sheathing shall be no less than 16/0.

2.5 CONSTRUCTION PANELS FOR BACKING

A. Plywood Backing Panels: For mounting electrical or telephone equipment, provide fire-retardant-treated plywood panels with grade designation, APA C-D PLUGGED

EXPOSURE 1, in thickness indicated, or, if not otherwise indicated, not less than

15/32 inch.

2.6 VAPOR BARRIER

A. Tyvek house wrap or other product complying with current codes, as submitted and approved under submittal procedures.

2.7 FASTENERS

06100 - 4 of 5

A. General: Provide fasteners of size and type indicated that comply with requirements specified in this article for material and manufacturer.

B. Nails, Wire, Brads, and Staples: FS FF-N-105.

C. Power Driven Fasteners: National Evaluation Report NER-272.

D. Wood Screws: ANSI B18.6.1.

2.8 PRESERVATIVE WOOD TREATMENT BY PRESSURE PROCESS

A. General: Where lumber or plywood is indicated as preservative-treated wood or is specified herein to be treated, comply with applicable requirements of AWPA

Standards C2 (Lumber) and C9 (Plywood). Mark each treated item with the AWPB

Quality Mark Requirements.

B. Complete fabrication of treated items prior to treatment, where possible. If cut after treatment, coat cut surfaces to comply with AWPA M4. Inspect each piece of lumber or plywood after drying and discard damaged or defective pieces.

PART 3 - EXECUTION

3.1 INSTALLATION AND WORKMANSHIP, GENERAL

A. Members shall be accurately cut to required dimensions and shall be firmly secured with metal connectors true to the lines, levels, and dimensions indicated, all in accordance with the CBC.

B. Where there is a significant variation in moisture content between individual members, shrinkage shall be allowed for and final connections shall not be made until moisture content of adjacent members has been stabilized. Allow no construction over framing members until final connections and/or adjustments have been made to achieve maximum strength at connections and minimum future movement from shrinkage or expansion.

C. Discard units of material with defects that impair quality of rough carpentry construction and that are too small to use in fabricating rough carpentry with minimum joints or optimum joint arrangement.

3.2 WOOD GROUNDS, NAILERS, BLOCKING, AND SLEEPERS

A. Provide and install wood grounds, nailers, blocking, and sleepers where required for screening or attachment of other work. Form to shapes as needed and cut as required for true line and level of work to be attached. Coordinate location with other work involved.

B. Attach to substrates as required to support applied loading. Countersink bolts and nuts

06100 - 5 of 5 flush with surfaces, unless otherwise indicated. Where possible, anchor to formwork before concrete placement.

3.3 WOOD FRAMING, GENERAL

A. Framing Standard: Comply with National Forest Products Association (N.F.P.A.)

"Manual for House Framing," unless otherwise indicated.

B. Anchor and nail, and to comply with the following:

1. National Evaluation Report No. NER-272 for pneumatic or mechanical driven staples, P-Nails, and allied fasteners.

2. Published requirements of manufacturer of metal framing anchors.

3. "Recommended Nailing Schedule" of referenced framing standard and with

N.F.P.A. "National Design Specifications for Wood Construction."

C. Do not splice structural members between supports.

D. Fire stop concealed spaces of wood framed walls and partitions at each floor level and at the ceiling line of the top story. Where fire stops are not automatically provided by the framing system used, use closely fitted wood blocks of nominal 2-inch-thick lumber of the same width as framing members.

3.5 VAPOR BARRIER

A. Cover sheathing with vapor barrier prior to installation of siding as follows:

1. Install vapor barrier material over entire surface of wall sheathing, and around doors, windows and other openings in accordance with current codes and standards; fasten to sheathing with corrosion-resistant staples.

06130 - 1 of 3

SECTION 06130

EXTERIOR WOOD DECK CONSTRUCTION

PART 1 - GENERAL

1.01 SUMMARY OF WORK

A. Exterior heavy and light (dimensional) wood construction

1.02 RELATED DOCUMENTS AND REFERENCES

A. References: The following specifications and standards of the organizations and documents listed in this paragraph form a part of the specification to the extent required by the references thereto. If the requirements of any of the following referenced standards and the specifications conflict with each other, the more stringent requirement shall prevail.

1. Redwood Inspection Service (RIS) Standard Specifications for Grades of

California Redwood Lumber, latest edition, including supplements.

2. PS 20 - American Softwood Lumber Standard - US Department of Commerce, National Institute of Standards and Technology.

3. ASTM E 84: Standard Test Method for Surface Burning Characteristics of Building

Materials.

4. California Building Code Chapter 7A: Materials and Construction Methods for

Exterior Wildfire Exposure.

5. Western Wood Products Association (WWPA) Grading Rules, latest edition.

B. Definitions

1. Acetylation: A process that essentially alters the actual cell structure of wood by transforming free hydroxyl groups into acetyl groups, improving the technical properties (durability and dimensional stability) of wood.

1.03 SUBMITTALS

A. As listed in Division 1 or other portions of the contract documents.

B. Product Data: Manufacturer's data sheets on each product to be used, including:

1. Preparation instructions and recommendations.

2. Storage and handling requirements and recommendations.

3. Installation methods.

1.04 DELIVERY, STORAGE, AND HANDLING

A. Deliver and store products in manufacturer's unopened packaging bearing the brand name and manufacturer's identification until ready for installation.

B. Handle materials to avoid damage.

C. Store on a level surface with blocking to keep boards off the ground and provide uniform and adequate support.

D. Redwood timbers contain water soluble extractives (tannins) which can stain concrete or other masonry. If stored over concrete, cover the concrete with a tarp to prevent staining in the event of rain.

1.05 PROJECT CONDITIONS

06130 - 2 of 3

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

1.06 SEQUENCING

A. Ensure that products of this section are supplied to affected trades in time to prevent interruption of construction progress.

1.7 MEASUREMENT AND PAYMENT:

A. As per Section 01010.

2.01 MANUFACTURERS

A. Lumber mills with a minimum of 10 years supplying specified materials.

2.02 DECK FRAMING

A. Material:

1. Doug Fir, pressure treated.

B. Grade:

1. As noted below.

C. Sizes

1. Posts: 4 x 4 (grade Doug Fir #2).

2. Beams: 6 x 10 (grade Doug Fir Dense Select Structural Timber).

3. Joists: 2 x 8 (grade Doug Fir #2).

4. Length: 8 feet minimum, 24 feet maximum.

2.03 DECKING RAILING LUMBER

A. Material:

1. Western Red Cedar (ADA Rail and Blocking)

B. Grade (Cedar only):

1. Grade D Clear or better

C. Surface:

1. Surfaced Four Sides.

D. Sizes:

1. As specified on the drawings.

2.04 DECKING LUMBER

A. Material:

1. Redwood

B. Grade:

06130 - 3 of 3

1. Heart B (Redwood), C. Surface:

1. Surfaced Four Sides.

D. Sizes:

1. As specified on the drawings.

2. Length: 6 feet minimum; 22 feet maximum.

2.05 FASTENERS

A. For all pre-manufactured connections and systems, fasteners shall be as specified by the manufacturer.

B. For direct bolted connections, fasteners shall be stainless steel 302, hot-dip galvanized steel, Stainless steel, or malleable iron, as specified on the drawings.

PART 3 - EXECUTION

3.01 EXAMINATION

A. Do not begin installation until prior work has been properly prepared.

B. If prior work is the responsibility of another installer, notify Contracting Officer of unsatisfactory preparation before proceeding.

3.02 PREPARATION

A. Clean surfaces thoroughly prior to installation.

B. Prepare surfaces using the methods recommended by the manufacturer for achieving the best result for the substrate under the project conditions.

3.03 INSTALLATION

A. Make all cuts straight and true to surface, without over-cutting. All cuts shall be made to assure a neat, snug (surface to surface) fit.

B. Holes and cut-outs shall be bored true and without splintering the opposite face.

Holes for through-bolts shall be bored 1/16” larger than the bolt shaft, or for bolts larger than 1/2" in diameter, holes shall be bored 1/8” larger than the bolt shaft.

C. Install and finish all manufactured items accordance with manufacturer's instructions.

D. Use only corrosion resistant fasteners. Acceptable are stainless steel or hot-dipped galvanized.

3.04 SEALANTS AND PRESERVATIVES

A. Apply oil-based protective coating to all sides, including cut, bored, or notched areas, of all exposed wood members, prior to assembly.

3.05 PROTECTION

A. Protect installed products until completion of project.

B. Touch-up, repair or replace damaged products before Substantial Completion.

DIVISION 7

THERMAL AND MOISTURE

PROTECTION

07190 - 1

SECTION 07190

BUILDING PAPER

1.1 DESCRIPTIONS

A. Provide building paper underlayment and flashing, with related concealed metal flashings and accessories as required for complete watertight installation.

B. Provide self-adhering polymer modified bituminous sheet flashing system with low

VOC primer and accessories as required for complete watertight seal at window penetrations, door penetrations, and other penetrations through building paper.

1.2 SECTION REQUIREMENTS

A. Submit Product Data for type of building paper product and accessories specified.

B. Submit shop drawings for metal flashings, as related to underlayment.

1. Clearly indicate general construction, configurations, jointing methods and locations, fastening methods and locations and installation details.

C. Provide for correcting failure of building paper to resist penetration of water.

D. Repair building paper and pay for or replace damaged materials or surfaces.

E. Warranty Period: Two years.

1.3 MEASUREMENT AND PAYMENT

No separate payment will be made for work performed under this section. This work is considered incidental to other related items for which payment will be made.

2.1 MATERIALS

A. Building Paper:

1. Roofing Underlay: Unperforated asphalt saturated organic felt, conforming to

ASTM D226, Type I, commonly referred to as 30 pound.

2. Siding Underlay: Unperforated asphalt saturated organic felt, conforming to

ASTM D226, Type I, commonly referred to as 15 pound.

07190 - 2

3. Fasteners: Type as recommended by system manufacturer or as required by applicable codes; minimum hot dipped galvanized.

B. Self-Adhering Polymer Modified Bituminous Sheet Membrane (Water Barrier

Membrane): Conform ASTM D1970.

1. Type: Grace Construction Products/Vycor Ice and Water Shield typical, Vycor

Ultra where under metal flashing.

2. Primers and Edge Sealers: Types as recommended by system manufacturer for specific applications and as required to achieve complete watertight installation.

C. Metal Flashings: Match existing and as required by current building code; commercial quality; as approved by the COR.

D. Lap Cement: Fibrated cutback asphaltic type, for use as adhesive in cold application of asphalt roofing or underlayment; free of toxic solvents and free of asbestos.

E. Plastic Cement: Cutback asphaltic type with mineral fiber components, for sealing and coating flashings in buildings; free of toxic solvents and free of asbestos.

1. Capable of setting within 24 hours at temperatures of approximately 75 degrees F and 50% R.H.

F. Joint Sealers Integral with Building Paper: One part polyurethane or bitumen modified polyurethane, gun grade; types suitable for applications indicated.

3.1 PREPARATION

A. Install building paper over surfaces which are dry, free of ridges, warps and voids which could damage paper.

B. Coordinate installation with installation of components and items projecting through building paper.

3.2 TYPICAL UNDERLAYMENT INSTALLATION

A. Install building paper in accordance with recommendations of building paper manufacturer and of manufacturers of products to cover building paper; comply with applicable code requirements.

1. Apply layer of self-adhering polymer modified bituminous sheet material over plywood sheathing at rough openings and outside corners, extending minimum 18-inches from penetrations and corners.

07190 - 3

2. Layer: Provide two layers building paper underlayment at siding applications;

weather lap joints.

3. Layer: Provide two layers building paper underlayment at roofing applications;

weather lap joints.

4. Secure underlayment in place, stagger joints between layers; lap ends minimum

6-inches; stagger end joints.

B. Apply lap cement at rate of approximately 1-1/4 gallons per square on underlayment starter strip.

C. Weather lap items projecting through building paper and seal with plastic cement.

07210 - 1

SECTION 07210

BUILDING INSULATION

PART 1 - GENERAL

1.1 SCOPE

A. Work consists of providing ceiling, wall, and floor insulation for complete exterior or interior repairs.

B. Applications of insulation specified in this section include the following:

1. Building insulation in batt form.

C. Related Sections: The following sections contain requirements that relate to this section:

1. Section 09250 – Gypsum Board.

D. Reference: The following reference contains requirements that relate to this section:

1. California Energy Code, current edition

1.2 DEFINITIONS

A. Thermal Resistivity: Where the thermal resistivity of insulation products are designated by "R-values," they represent the reciprocal of thermal conductivity (k-values). Thermal conductivity is the rate of heat flow through a homogenous material exactly 1 inch thick. Thermal resistivity are expressed by the temperature difference in degrees F between the two exposed faces required to cause one BTU to flow through one square foot per hour at mean temperatures indicated.

1.3 QUALITY ASSURANCE

A. Fire Performance Characteristics: Provide insulation materials identical to those whose indicated fire performance characteristics have been determined per the ASTM test method indicated below, by UL or other testing and inspecting organizations acceptable to authorities having jurisdiction. Identify products with appropriate markings of applicable testing and inspecting organization.

1. Surface Burning Characteristic: ASTM E 84

2. Fire Resistance Ratings: ASTM E 119.

3. Combustion Characteristics: ASTM E 136.

B. Single-Source Responsibility for Insulation Products: Obtain each type of building insulation from a single source with resources to provide products of consistent quality in appearance and physical properties without delaying progress of the Work.

1.4 DELIVERY, STORAGE, AND HANDLING

A. General Protection: Protect insulation materials from physical damage and from deterioration by moisture, soiling, and other sources. Store inside and in a dry location. Comply with manufacturer's recommendations for handling, storage, and protection during installation.

1.4 MEASUREMENT AND PAYMENT:

A. No separate measurement or payment will be made for the work specified in this section.

07210 - 2

2.1 ACCEPTABLE MANUFACTURERS

A. Available Manufacturers: Subject to compliance with requirements, manufacturers offering insulation products that may be incorporated in the work include, but are not limited to, the following:

1. Manufacturers of Glass Fiber Insulation:

a. CertainTeed Corp.

b. Manville: Building Insulations Div., Manville Sales Corp.

c. Owens/Corning Fiberglas Corp.

d. Or approved equal.

2.2 INSULATING MATERIALS

A. General: Provide insulating materials that comply with requirements and with referenced standards.

1. Preformed Units: Sizes to fit applications indicated, selected from manufacturer's standard thickness, widths, and lengths.

B. Unfaced Mineral Fiber Blanket/Batt Insulation: To be located at exterior walls, and interior walls at bathrooms, bedrooms, and utility room. Thermal insulation produced by combining mineral fibers of type described below with thermosetting resins to comply with ASTM C 665 for Type I (blankets without membrane facing); and as follows:

1. Mineral Fiber Type: Fibers manufactured from glass or slag.

2. Surface Burning Characteristics: Maximum flame spread and smoke developed values of 25 and 50, respectively.

3. Combustion Characteristics: Passes ASTM E 136 test.

C. Faced Mineral Fiber Blanket/Batt Insulation: To be located at floors and ceilings. Thermal insulation produced by combining mineral fibers of type described below with thermosetting resins to comply with ASTM C 665 for Type III, Class A (blankets with reflective vapor-retarder membrane facing with flame spread of 25 or less); foil-scrim-kraft or foil-scrim-polyethylene vapor-retarder membrane on one face, and as follows:

1. Mineral Fiber Type: Fibers manufactured from glass or slag.

2. Surface Burning Characteristics: Maximum flame spread and smoke developed values of

25 and 50, respectively.

2.3 VAPOR BARRIER

A. Vapor barrier shall be 6-mil clear polyethylene film

PART 3 - EXECUTION

3.1 INSPECTION AND PREPARATION

A. Examine substrates and conditions with Installer present, for compliance with requirements of the

Sections in which substrates and related work are specified and to determine if other…