unofficial 12445224Q0002-amendment 0001.pdf

(x)

12445224Q0002 x x

1 copies of the amendment; (b) By acknowledging receipt of this amendment on each copy of the offer submitted ; or (c) By separate letter or electronic communication which includes a reference to the solicitation and amendment numbers. FAILURE OF YOUR ACKNOWLEDGEMENT TO BE

RECEIVED AT THE PLACE DESIGNATED FOR THE RECEIPT OF OFFERS PRIOR TO THE HOUR AND DATE SPECIFIED MAY RESULT IN REJECTION OF YOUR

OFFER. If by virtue of this amendment you desire to change an offer already submitted , such change may be made by letter or electronic communication, provided each letter or electronic communication makes reference to the solicitation and this amendment, and is received prior to the opening hour and date specified.

x

ATLANTA GA 30309-2449

STE 876S

1720 PEACHTREE ST NW

USDA-FS CSA EAST 12

11/22/20230001

13. THIS ITEM ONLY APPLIES TO MODIFICATION OF CONTRACTS/ORDERS. IT MODIFIES THE CONTRACT/ORDER NO. AS DESCRIBED IN ITEM 14.

12. ACCOUNTING AND APPROPRIATION DATA (If required) is not extended.is extended, Items 8 and 15, and returning

Offers must acknowledge receipt of this amendment prior to the hour and date specified in the solicitation or as amended , by one of the following methods: (a) By completing

The above numbered solicitation is amended as set forth in Item 14. The hour and date specified for receipt of Offers

11. THIS ITEM ONLY APPLIES TO AMENDMENTS OF SOLICITATIONS

FACILITY CODE CODE

10B. DATED (SEE ITEM 13)

10A. MODIFICATION OF CONTRACT/ORDER NO.

9B. DATED (SEE ITEM 11)

9A. AMENDMENT OF SOLICITATION NO.

CODE

8. NAME AND ADDRESS OF CONTRACTOR (No., street, county, State and ZIP Code)

7. ADMINISTERED BY (If other than Item 6)CODE 6. ISSUED BY

PAGE OF PAGES

4. REQUISITION/PURCHASE REQ. NO.3. EFFECTIVE DATE2. AMENDMENT/MODIFICATION NO. 5. PROJECT NO. (If applicable)

1. CONTRACT ID CODE

AMENDMENT OF SOLICITATION/MODIFICATION OF CONTRACT

11/15/2023

CHECK ONE A. THIS CHANGE ORDER IS ISSUED PURSUANT TO: (Specify authority) THE CHANGES SET FORTH IN ITEM 14 ARE MADE IN THE CONTRACT

B. THE ABOVE NUMBERED CONTRACT/ORDER IS MODIFIED TO REFLECT THE ADMINISTRATIVE CHANGES (such as changes in paying office, C. THIS SUPPLEMENTAL AGREEMENT IS ENTERED INTO PURSUANT TO AUTHORITY OF:

D. OTHER (Specify type of modification and authority) appropriation data, etc.) SET FORTH IN ITEM 14, PURSUANT TO THE AUTHORITY OF FAR 43.103(b).

E. IMPORTANT: Contractor is not is required to sign this document and return __________________ copies to the issuing office.

ORDER NO. IN ITEM 10A.

14. DESCRIPTION OF AMENDMENT/MODIFICATION (Organized by UCF section headings, including solicitation/contract subject matter where feasible.)

The purpose of this amendment is to incorporate a revised SOI and SOW (schedule of Items and Statement of Work) to the Section J attachments. This revision adds an option line item to the SOI and is reflected in the revised SOW for an encapsulated crawlspace.

Utilize this revised SOI to submit offers.

All other terms and conditions remain unchanged.

The proposal due date remains unchanged, proposals due NLT 1700 EST, Monday December 4th, 2023.

16A. NAME AND TITLE OF CONTRACTING OFFICER (Type or print)15A. NAME AND TITLE OF SIGNER (Type or print)

15C. DATE SIGNED 16B. UNITED STATES OF AMERICA 15B. CONTRACTOR/OFFEROR 16C. DATE SIGNED

(Signature of person authorized to sign) (Signature of Contracting Officer)

JAMES M. HUNT

STANDARD FORM 30 (REV. 11/2016)

Prescribed by GSA FAR (48 CFR) 53.243

Previous edition unusable

Except as provided herein, all terms and conditions of the document referenced in Item 9 A or 10A, as heretofore changed, remains unchanged and in full force and effect .

SCHEDULE OF ITEMS

Cradle Caretaker's Repairs

11/22/2023 National Forests in North Carolina

PAY ITEM

NO.

DESCRIPTION

PAY

UNIT

EST.

QTY.

UNIT PRICE TOTAL PRICE

Bathroom Repairs Includes all demolition and disposal, rough and finish carpentry, drywall, HVAC alterations, door replacements, interior finishes, plumbing and lighting fixtures, minor electrical, grab bars, painting and other incidental work per plans and specifications.

LSQ 1

Domestic Water Pipe Replacement Includes all demolition and disposal, PEX waterlines and fittings, hangers and supports, eschutons, connections to existing lines and fixtures, and disinfection.

LSQ 1

Sanitary Waste and Vent Piping Replacement Includes all demolition and disposal, waste and vent pipe including roof repairs (if required), hangers and supports, and connections to existing pipes and fixtures.

LSQ 1

Crawl space insulation installation and vapor barrier repairs Includes all demolition and disposal; complete vapor barrier replacement; floor insulation and wire mesh support (approximately 1,800 SF) per plans and specifications.

LSQ 1

PAY ITEM

NO.

DESCRIPTION

PAY

UNIT

EST.

QTY.

UNIT PRICE TOTAL PRICE

Crawlspace Encapsulation Includes all demolition and disposal; sealing and enclosure of crawl space; installation of vapor retarders, insulation, dehumidifier, and sump pump per specifications; associated electrical work.

LSQ 1

Note: Option Item Bid Price shall be only the NET INCREASE in cost between Item 4 from Base Bid and Option Cost.

$TOTAL PRICE -- FOR BASE + OPTION BID PAY ITEMS

TOTAL PRICE -- FOR BASE BID PAY ITEMS

OPTION BID SCHEDULE

Pisgah Ranger District

National Forests in North Carolina

Transylvania County

BASE BID SCHEDULE

U. S. Forest Service Confidential 11/22/2023 Page 1 of 1

COVER

NATIONAL FORESTS IN NORTH CAROLINA

PISGAH NATIONAL FOREST

PISGAH RANGER DISTRICT

TRANSYLVANIA COUNTY

STATEMENT OF WORK AND PROJECT SPECIFICATIONS

FOR

CRADLE OF FORESTRY CARETAKER’S RESIDENCE

BATHROOM RENOVATION

OCTOBER 2023

Revised NOVEMBER 2023

SPECIFICATION INDEX i

SPECIFICATION INDEX

DIVISION 1 – GENERAL REQUIREMENTS

SECTION 010000 - GENERAL

SECTION 013300 - SUBMITTALS

SECTION 014000 - QUALITY CONTROL

DIVISION 2 - SITE WORK

SECTION 024119 - SELECTIVE DEMOLITION

DIVISION 6 - WOOD

SECTION 061000 - ROUGH CARPENTRY

DIVISION 7 - THERMAL AND MOISTURE PROTECTION

SECTION 072100 - THERMAL INSULATION – BASE BID

SECTION 072600 - VAPOR RETARDERS – BASE BID

SECTION 072610 – CRAWL SPACE ENCAPSULATION – OPTION BID ITEM

DIVISION 9 - FINISHES

SECTION 092900 - GYPSUM BOARD

SECTION 093013 - CERAMIC TILING

SECTION 099123 - INTERIOR PAINTING

DIVISION 22 - PLUMBING

SECTION 221116 - DOMESTIC WATER PIPING

SECTION 221316 - SANITARY WASTE AND VENT PIPING

GENERAL 1

SECTION 010000 - GENERAL

PART 1 - GENERAL

1.1 SUMMARY

A. Section Includes:

1. Project information.

2. Summary of Work.

3. Contractor's use of site and premises.

4. Storage and Protection of Materials

5. Progress Cleaning

6. Inspections

7. Closeout Procedures

1.2 PROJECT INFORMATION

A. Project Identification: Cradle of Forestry Caretaker’s Residence Bathroom Renovation

1. Project Location: The Caretaker’s Residence is located on the Cradle of Forestry in America’s Campus, 11250 Pisgah Hwy, Pisgah Forest, NC 28768.

2. After entering through the main gate, proceed past the gatehouse and take a right onto the gravel road. The Caretaker’s Residence is on the right-hand side directly across from the activity building and maintenance shop.

1.3 SUMMARY OF WORK

A. The Work of Project is defined by the Contract Documents and consists of four major tasks:

1. Complete renovation of two adjoining bathrooms, including:

a. Demolition of existing partition walls, flooring, and bathroom fixtures

b. Partition wall construction

c. Replacement of subfloor and flooring

d. Installation of new fixtures, and associated plumbing and venting

e. Minor electrical modifications

2. Replacement of all copper water supply lines within crawl space with PEX piping

a. Demolish all existing copper water supply lines, starting from valve at 1” supply and terminating at connections to fixtures.

b. Replace complete water distribution system PEX piping per Section 221116.

3. Replacement of all cast iron waste piping with PVC

a. Demolish all existing cast iron waste piping starting at fixtures and terminating at point where it penetrates the ground within the crawl space.

b. Replace complete sanitary waste piping system in kind with PVC per Section

221316

4. Replacement of all crawlspace insulation, and minor repairs to the vapor barrier.

GENERAL 2

a. See Sections 072100 and 072600 for full description of work.

B. Project will be constructed under a single contract.

1.4 CONTRACTOR'S USE OF SITE AND PREMISES

A. Contractor shall have full use of Project site for construction operations during construction period.

B. Limits on Use of Site: Limit use of Project site to areas within the Contract limits. Do not disturb portions of Project site beyond areas in which the Work is indicated.

C. Condition of Existing Building: Maintain portions of existing building affected by construction operations in a weathertight condition throughout construction period. Take all precautions necessary to protect building components, furnishings, and premises from damage during construction. Repair damage caused by construction operations.

D. Condition of Existing Grounds: Maintain portions of existing grounds, landscaping, and hardscaping affected by construction operations throughout construction period. Repair damage caused by construction operations.

E. Smoking and Controlled Substance Restrictions: Use of tobacco products within the Residence, and use of alcoholic beverages and other controlled substances on Forest Service property, is not permitted.

1.5 STORAGE AND PROTECTION OF MATERIALS

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

B. Deliver materials in undamaged condition, in manufacturer's original containers or packaging, with identifying labels intact and legible.

C. Store materials in accordance with manufacturer's instructions, with seals and labels accessible for inspection.

D. Interior Storage: Maintain temperature and humidity within the ranges required by manufacturer's instructions.

E. Exterior Storage:

1. Store products subject to damage by the elements in weathertight enclosures.

2. Store fabricated products above the ground, on blocking or skids; prevent soiling or staining. Cover products subject to damage or deterioration with impervious sheet coverings; provide adequate ventilation to avoid condensation.

F. Protection After Installation: Provide adequate coverings as necessary to protect installed materials from damage resulting from natural elements, traffic, and subsequent construction.

Remove when no longer needed.

GENERAL 3

1.6 PROGRESS CLEANING

A. Clean Project site and work areas daily, including common areas. Enforce requirements strictly.

Dispose of materials lawfully.

B. Site: Maintain Project site free of waste materials and debris.

C. Work Areas: Clean areas where Work is in progress to the level of cleanliness necessary for proper execution of the Work.

1.7 INSPECTIONS

A. The COR or inspector may inspect any and all work at any time during this project.

B. Any work that does not meet contract specifications shall be corrected by the contractor with no additional pay.

C. The COR shall inspect the existing framing following demolition (in bathroom and crawlspace) and before any repair work.

D. The COR shall inspect all framing repairs/additions and rough carpentry before floor and wall finishes or fixtures are installed.

E. The COR shall inspect water and waste lines before concealing or closing in.

F. The COR shall perform a pre-final inspection when work is substantially complete.

G. The COR shall perform a final inspection when all the work is complete.

1.8 CLOSEOUT PROCEDURES

A. At substantial completion, submit a request to the COR for a pre-final inspection. The COR will provide a punch list of items to be completed.

B. Three days prior to final completion, submit a request to the COR for a final inspection.

C. Perform a final cleaning. Leave the site clean and ensure no trash or debris is left behind. No dumpster is available, contractor must dispose of all materials offsite.

PART 2 - PRODUCTS (Not Used)

PART 3 - EXECUTION (Not Used)

END OF SECTION 010000

SUBMITTALS 4

SECTION 013300 - SUBMITTALS

PART 1 - GENERAL

1.1 SUMMARY

A. The work of this section consists of submittal requirements before and during construction.

B. The Contractor shall furnish the product submittals listed below to the COR for approval prior to ordering/purchasing. Additional submittals may be required if deemed necessary by the

COR.

1. Doors, frames, and hardware

2. Subfloor

3. LVT Flooring and Transitions

4. Fixtures

a. Vanities

b. Vanity Tops

c. Sink faucets and controls

d. Medicine Cabinets

e. Sconce Lighting

f. Lavatories

g. Shower Pan and Bathtub

h. Shower and bathtub faucets and controls

i. Grab Bars

j. Wall Tile and Backer Board

k. Insulation

l. Vapor Barrier

m. Paint

C. The contractor shall additionally submit the following informational submittals to the COR.

1. Schedule of Activities, showing beginning and completion of major tasks

2. Final plumbing layout, indicating size and length of pipes and location of valves.

1.2 SUBMITTAL FORMATS

A. All submittals shall be submitted via email in electronic PDF format.

B. Submittals shall be identified on a transmittal cover sheet that shall be signed by the contractor or representative. Include the following information in each submittal:

1. Project name.

2. Date.

C. Options: Identify options requiring selection by COR.

SUBMITTALS 5

1.3 SUBMITTAL PROCEDURES

A. Submit all submittal items required for each category of work concurrently.

B. All submittals will be evaluated by the COR and returned marked either approved, approved with notations, or rejected.

1.4 PRODUCT SUBMITTAL REQUIREMENTS

A. Product Data: Collect information into a single submittal for each element of construction and type of product or equipment.

1. Mark each submittal to show which products and options are applicable.

2. Include the following information, as applicable:

a. Manufacturer's catalog cuts.

b. Manufacturer's product specifications.

c. Standard color charts.

d. Statement of compliance with specified referenced standards.

e. Availability and delivery time information.

B. Incomplete submittals are unacceptable and will be returned for resubmittal without review.

C. COR will not accept submittals received from sources other than Contractor.

D. Shop Drawings: Prepare Project-specific information, drawn accurately to scale.

1. Preparation: Fully illustrate requirements in the Contract Documents. Include the following information, as applicable:

a. Identification of products.

b. Schedules.

c. Compliance with specified standards.

d. Notation of coordination requirements.

e. Notation of dimensions established by field measurement.

f. Relationship and attachment to adjoining construction clearly indicated.

g. Seal and signature of professional engineer if specified.

E. Samples: Submit Samples for review of type, color, pattern, and texture for a check of these characteristics with other materials.

1. Transmit Samples that contain multiple, related components, such as accessories together in one submittal package.

2. Identification: Permanently attach label on unexposed side of Samples that includes the following:

a. Project name and submittal number.

b. Generic description of Sample.

c. Product name and name of manufacturer.

d. Sample source.

SUBMITTALS 6

1.5 SUBSTITUTIONS:

A. If the Contractor intends to provide or install an item that is an "or equal" or differs from that which is specified, he/she shall submit all product data and information to the COR for review prior to ordering/purchase.

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

1. Product name and model number

2. Manufacturer

3. Product description

4. Technical data

5. Samples, as required by COR

C. A request for approval of “equals” constitutes a representation that Contractor:

1. Has investigated the proposed item and determined that it is equal or superior in all respects to that specified.

2. Will provide the same warranties for the proposed item as for the item specified.

3. Has determined that the proposed item is compatible with interfacing items.

4. Will coordinate the installation of an approved item and make all changes required in other elements of the work because of the substitution.

5. Waives all claims for additional expenses that may be incurred as a result of the substitution.

PART 2 - PRODUCTS (Not Used)

END OF SECTION 013300

QUALITY CONTROL 7

SECTION 014000 - QUALITY CONTROL

PART 1 - GENERAL

1.1 SUMMARY

A. Section includes administrative and procedural requirements for quality assurance and quality control.

1.2 DEFINITIONS

A. Experienced: When used with an entity or individual, "experienced," unless otherwise further described, means having successfully completed a minimum of five previous projects similar in nature, size, and extent to this Project; being familiar with special requirements indicated; and having complied with requirements of authorities having jurisdiction.

B. Installer/Applicator/Erector: Contractor or another entity engaged by Contractor as an employee, subcontractor, or sub-subcontractor, to perform a particular construction operation, including installation, erection, application, assembly, and similar operations.

1.3 EXISTING CONDITIONS

A. Verification: Following demolition, but prior to construction, verify dimensions as shown on Drawings. If discrepancies are discovered, notify COR promptly.

B. Examination and Acceptance of Conditions: Before proceeding with each component of the Work, examine conditions of existing elements for compliance with requirements for installation tolerances and other conditions affecting performance. Record observations.

C. Proceed with installation only after unsatisfactory conditions have been corrected. Proceeding with the Work indicates acceptance of surfaces and conditions.

1.4 QUALITY ASSURANCE

A. All work shall be performed in accordance with the latest editions of the North Carolina Building Code and Uniform Plumbing Code. Any portions of the plans and specifications which do not comply shall be immediately brought to the attention of the COR for resolution.

B. Qualifications paragraphs in this article establish the minimum qualification levels required;

individual Specification Sections specify additional requirements.

C. Installer Qualifications: A firm or individual experienced in installing, erecting, applying, or assembling work similar in material, design, and extent to that indicated for this Project, whose work has resulted in construction with a record of successful in-service performance.

QUALITY CONTROL 8

D. Cutting and Patching: Comply with requirements for and limitations on cutting and patching of construction elements.

1. Operational Elements: Do not cut and patch operating elements and related components in a manner that results in reducing their capacity to perform as intended or that results in increased maintenance or decreased operational life or safety. Operational elements include the following:

a. Primary operational systems and equipment.

b. Plumbing piping systems.

c. Mechanical systems piping and ducts.

d. Conveying systems.

e. Electrical wiring systems.

2. Other Construction Elements: Do not cut and patch other construction elements or components in a manner that could change their load-carrying capacity, that results in reducing their capacity to perform as intended, or that results in increased maintenance or decreased operational life or safety. Other construction elements include but are not limited to the following:

a. Water, moisture, or vapor barriers.

b. Membranes and flashings.

c. Equipment supports.

d. Piping, ductwork, vessels, and equipment.

3. Visual Elements: Do not cut and patch construction in a manner that results in visual evidence of cutting and patching. Do not cut and patch exposed construction in a manner that would, in COR’s opinion, reduce the building's aesthetic qualities. Remove and replace construction that has been cut and patched in a visually unsatisfactory manner.

E. Manufacturer's Installation Instructions: Obtain and maintain on-site manufacturer's written recommendations and instructions for installation of specified products and equipment.

1.5 QUALITY CONTROL

A. This work shall consist of providing quality control to ensure conformance with contract and manufacturer specifications. The Contractor shall provide all personnel, equipment, tests, and reports to meet the requirements of this specification.

B. The Contractor shall provide and maintain a quality control system that will ensure that all services, supplies, and construction required under this contract conform to the contract requirements. The Contractor shall perform, or cause to be performed, any sampling, inspection, and testing required to substantiate that all supplies, services, and construction conform to the contract requirements.

C. The Contractor shall furnish certificates or labels executed by the manufacturer, supplier, or vendor, stipulating that all products incorporated into the work meet the applicable requirements as shown on the drawings or specifications.

QUALITY CONTROL 9

D. Quality Control shall be considered incidental to the bid items and no additional payment will be made.

PART 2 - PRODUCTS (Not Used)

END OF SECTION 014000

SELECTIVE DEMOLITION 10

SECTION 024119 - SELECTIVE DEMOLITION

PART 1 - GENERAL

1.1 SUMMARY

A. Section Includes:

1. Definitions

2. Materials Ownership

3. Field Conditions

4. Examination

5. Utility Services and Mechanical Systems

6. Protections

7. Selective Demolition, General

8. Selective Demolition Schedule

B. Related Requirements:

1. Section 010000 "General" for restrictions on use of the premises, Owner-occupancy requirements, and phasing requirements.

2. Section 014000 "Quality Control" for cutting and patching procedures and for general protection and work procedures for alteration projects.

1.2 DEFINITIONS

A. Remove/Demolish: Detach items from existing construction and dispose of them off-site unless indicated to be salvaged or reinstalled.

B. Existing to Remain: Leave existing items that are not to be removed and that are not otherwise indicated to be salvaged or reinstalled.

1.3 MATERIALS OWNERSHIP

A. Unless otherwise indicated, demolition waste becomes property of Contractor.

1.4 FIELD CONDITIONS

A. Conditions existing at time of inspection for bidding purpose will be maintained by Owner as far as practical.

B. Notify COR of discrepancies between existing conditions and Drawings before proceeding with selective demolition.

C. Utility Service: Maintain existing utilities indicated to remain in service and protect them against damage during selective demolition operations.

SELECTIVE DEMOLITION 11

PART 2 - PRODUCTS (Not Used)

PART 3 - EXECUTION

3.1 EXAMINATION

A. Verify that utilities have been disconnected and capped before starting selective demolition operations.

3.2 UTILITY SERVICES AND MECHANICAL/ELECTRICAL SYSTEMS

A. Existing Services/Systems to Be Removed, Relocated, or Abandoned: Locate, identify, disconnect, and seal or cap off utility services and mechanical/electrical systems serving areas to be selectively demolished.

1. Owner will arrange to shut off indicated services/systems when requested by Contractor.

2. Disconnect, demolish, and remove plumbing, HVAC systems, equipment, and components indicated to be removed on Drawings or within specifications.

a. Piping to Be Removed: Remove portion of piping indicated to be removed and cap or plug remaining piping with same or compatible piping material.

b. Ducts to Be Removed: Remove portion of ducts indicated to be removed and plug remaining ducts with same or compatible ductwork material.

3.3 PROTECTION

A. Temporary Protection: Provide temporary barricades and other protection required to prevent injury to people and damage to adjacent buildings and facilities to remain.

1. Protect walls, ceilings, floors, and other existing finish work that are to remain or that are exposed during selective demolition operations.

2. Cover and protect furniture, furnishings, and equipment that have not been removed.

3.4 SELECTIVE DEMOLITION, GENERAL

A. General: Demolish and remove existing construction only to the extent required by new construction and as indicated. Use methods required to complete the Work within limitations of governing regulations and as follows:

1. Proceed with selective demolition systematically, from higher to lower level.

2. Neatly cut openings and holes plumb, square, and true to dimensions required. Use cutting methods least likely to damage construction to remain or adjoining construction.

Use hand tools or small power tools designed for sawing or grinding, not hammering and chopping. Temporarily cover openings to remain.

3. Cut or drill from the exposed or finished side into concealed surfaces to avoid marring existing finished surfaces.

SELECTIVE DEMOLITION 12

4. Do not use cutting torches until work area is cleared of flammable materials. At concealed spaces, such as duct and pipe interiors, verify condition and contents of hidden space before starting flame-cutting operations. Maintain portable fire-suppression devices during flame-cutting operations.

5. Maintain fire watch during and for at least 6 hours after flame-cutting operations.

6. Maintain adequate ventilation when using cutting torches.

7. Remove decayed, vermin-infested, or otherwise dangerous or unsuitable materials and promptly dispose of off-site.

8. Remove structural framing members and lower to ground by method suitable to avoid free fall and to prevent ground impact or dust generation.

9. Locate selective demolition equipment and remove debris and materials so as not to impose excessive loads on supporting walls, floors, or framing.

10. Dispose of demolished items and materials promptly.

B. Site Access and Temporary Controls: Conduct selective demolition and debris-removal operations to ensure minimum interference with roads, streets, walks, walkways, and other adjacent occupied and used facilities.

3.5 CLEANING

A. Clean adjacent structures and improvements of dust, dirt, and debris caused by selective demolition operations. Return adjacent areas to condition existing before selective demolition operations began.

3.6 SELECTIVE DEMOLITION SCHEDULE

A. Remove the following elements:

1. All bathroom fixtures, finishes and structural elements as noted on the drawings.

2. All existing copper water supply lines, starting from valve at 1” supply and terminating at connections to fixtures.

3. All existing cast iron waste piping starting at fixtures and terminating at point where it enters the ground within the crawl space.

4. All floor insulation in crawl space, including OSB panels and 1x3 bracing.

5. All vapor barriers within the crawl space.

END OF SECTION 024119

ROUGH CARPENTRY 13

SECTION 061000 - ROUGH CARPENTRY

PART 1 - GENERAL

1.1 SUMMARY

A. Section Includes:

1. Wood products.

2. Dimensional lumber framing.

3. Miscellaneous lumber.

4. Plywood backing panels.

5. Sheathing.

1.2 DEFINITIONS

A. Boards, Strips or Furring: Lumber of less than 2 inches nominal size in least dimension.

B. Dimension Lumber: Lumber of 2 inches nominal size or greater but less than 5 inches nominal size in least dimension.

C. Lumber grading agencies, and abbreviations used to reference them, include the following:

1. NeLMA: Northeastern Lumber Manufacturers' Association.

2. NLGA: National Lumber Grades Authority.

3. SPIB: The Southern Pine Inspection Bureau.

4. WCLIB: West Coast Lumber Inspection Bureau.

5. WWPA: Western Wood Products Association.

1.3 DELIVERY, STORAGE, AND HANDLING

A. Stack wood products flat with spacers beneath and between each bundle to provide air circulation. Protect wood products from weather by covering with waterproof sheeting, securely anchored. Provide for air circulation around stacks and under coverings.

PART 2 - PRODUCTS

2.1 WOOD PRODUCTS

A. Lumber: Comply with DOC PS 20 and applicable rules of grading agencies indicated.

1. Factory mark each piece of lumber with grade stamp of grading agency.

B. Maximum Moisture Content shall be 19%

ROUGH CARPENTRY 14

2.2 DIMENSION LUMBER FRAMING

A. Non-Load-Bearing Interior Partitions by Grade: Construction, Stud, or No. 3

1. Application: All interior partitions, framing and blocking

2. Species:

a. Hem-fir (north); NLGA.

b. Southern pine or mixed southern pine; SPIB.

c. Spruce-pine-fir; NLGA.

d. Hem-fir; WCLIB, or WWPA.

e. Spruce-pine-fir (south); NeLMA, WCLIB, or WWPA.

f. Northern species; NLGA.

g. Eastern softwoods; NeLMA.

h. Western woods; WCLIB or WWPA.

2.3 MISCELLANEOUS LUMBER

A. Provide miscellaneous lumber indicated and lumber for support or attachment of other construction, including the following:

1. Furring.

2. Shelving.

3. Blocking

B. Shelving and supports: Lumber with 19 percent maximum moisture content of any species.

Grade shal be Finish or 1 Common.

C. For blocking not used for attachment of other construction, Utility, Stud, or No. 3 grade lumber of any species may be used provided that it is cut and selected to eliminate defects that will interfere with its attachment and purpose.

D. For furring strips for installing plywood or hardboard paneling, select boards with no knots capable of producing bent-over nails and damage to paneling.

2.4 SUBFLOORING

A. Oriented-Strand-Board Subflooring: DOC PS 2, Structural I sheathing

1. Span Rating: Not less than 20

2. Nominal Thickness: Matching existing subfloor thickness.

3. Reference Product: Advantech OSB Subflooring

2.5 FASTENERS

A. General: Fasteners are to be of size and type indicated and comply with requirements specified in this article for material and manufacture. Provide nails or screws, in sufficient length, to penetrate not less than 1-1/2 inches into wood substrate.

B. Nails, Brads, and Staples: ASTM F1667.

ROUGH CARPENTRY 15

C. Power-Driven Fasteners: Fastener systems with an evaluation report acceptable to authorities having jurisdiction, based on ICC-ES AC70.

D. Screws for Fastening Sheathing to Wood Framing: ASTM C1002.

PART 3 - EXECUTION

3.1 INSTALLATION

A. Framing Standard: Comply with AF&PA's WCD 1, "Details for Conventional Wood Frame Construction," unless otherwise indicated.

B. Set work to required levels and lines, with members plumb, true to line, cut, and fitted. Fit rough carpentry accurately to other construction. Locate furring, nailers, blocking, grounds, and similar supports to comply with requirements for attaching other construction.

C. Install metal framing anchors to comply with manufacturer's written instructions. Install fasteners through each fastener hole.

D. Do not splice structural members between supports unless otherwise indicated.

E. Provide blocking and framing as indicated and as required to support facing materials, fixtures, specialty items, and trim.

1. Provide metal clips for fastening gypsum board or lath at corners and intersections where framing or blocking does not provide a surface for fastening edges of panels. Space clips not more than 16 inches o.c.

F. Sort and select lumber so that natural characteristics do not interfere with installation or with fastening other materials to lumber. Do not use materials with defects that interfere with function of member or pieces that are too small to use with minimum number of joints or optimum joint arrangement.

G. Securely attach rough carpentry work to substrate by anchoring and fastening as indicated, complying with the following:

1. Table 2304.10.1, "Fastening Schedule," in ICC's International Building Code (IBC).

3.2 INSTALLATION OF WOOD BLOCKING AND NAILERS

A. Install where indicated and where required for attaching other work. Form to shapes indicated and cut as required for true line and level of attached work. Coordinate locations with other work involved.

3.3 INSTALLATION OF WOOD FURRING

A. Install level and plumb with closure strips at edges and openings. Shim with wood as required for tolerance of finish work.

ROUGH CARPENTRY 16

B. Furring to Receive Gypsum Board or Plaster Lath: Install 1-by-2-inch nominal size furring vertically at 16 inches o.c.

3.4 INSTALLATION OF WALL AND PARTITION FRAMING

A. General: Provide single bottom plate and double top plates using members of 2-inch nominal thickness whose widths equal that of studs, except single top plate may be used for non-load-bearing partitions. Fasten plates to supporting construction unless otherwise indicated.

1. For interior partitions and walls, provide 2-by-4-inch size wood studs spaced 16 inches o.c. unless otherwise indicated.

2. Provide continuous horizontal blocking at midheight of partitions more than 96 inches high, using members of 2-inch nominal thickness and of same width as wall or partitions.

END OF SECTION 061000

THERMAL INSULATION 17

SECTION 072100 - THERMAL INSULATION – BASE BID

PART 1 - GENERAL

1.1 SUMMARY

A. Section Includes:

1. Glass-fiber blanket insulation.

2. Wire mesh insulation support.

B. DESCRIPTION OF WORK

1. Work shall include the installation of new floor insulation and wire mesh support per drawing details.

2. New insulation shall provide complete coverage of residence footprint.

1.2 ACTION SUBMITTALS

A. Product Data: For all insulation and mesh wire support products

1. Insulation submittal shall include type, manufacturer and R-value.

PART 2 - PRODUCTS

2.1 GENERAL

1. Alternative types of insulation and support system may be recommended by contractor, subject to written approval of COR. Alternative materials and methods should meet all performance requirements of specified products.

2.2 GLASS-FIBER BLANKET INSULATION

A. Glass-Fiber Blanket Insulation, Kraft Faced: ASTM C665, Type II (nonreflective faced), Class C (faced surface not rated for flame propagation); Category 1 (membrane is a vapor barrier).

1. R Value shall be 19 or greater.

2. Labeling: Provide identification of mark indicating R-value of each piece of insulation 12 inches and wider in width.

2.3 WIRE MESH INSULATION SUPPORT

A. 16 ga AWG welded wire mesh, or thicker

B. Mesh may be coated or uncoated. Uncoated wire shall be galvanized.

C. Mesh size shall be 2 x 4 inches

THERMAL INSULATION 18

D. Mesh fasteners shall be minimum 9 ga, 1 1/2” galvanized barbed fencing staples

PART 3 - EXECUTION

3.1 INSTALLATION OF BLANKET INSULATION

A. Comply with insulation manufacturer's written instructions applicable to products and applications.

B. Install insulation that is undamaged, dry, and unsoiled and that has not been left exposed to ice, rain, or snow at any time.

C. Install insulation with manufacturer's R-value label exposed after insulation is installed.

D. Extend insulation to envelop entire area to be insulated. Place insulation in cavities formed by framing members to produce a friction fit between edges of insulation and adjoining framing members.

E. Fit tightly around obstructions and fill voids tightly with insulation to prevent gaps. Compact insulation to 1/2 of uncompacted size in small voids.

F. Provide sizes to fit applications and selected from manufacturer's standard thicknesses, widths, and lengths. Apply single layer of insulation units unless multiple layers are otherwise shown or required to make up total thickness or to achieve R-value.

G. Install blankets according to ASTM C1320. With faced blankets having stapling flanges, lap blanket flange over flange of adjacent blanket to maintain continuity of vapor retarder.

H. Tape joints and ruptures in vapor-retarder facings, and seal each continuous area of insulation to ensure airtight installation.

3.2 INSTALLATION OF SUPPORTS

A. Install welded wire mesh on underside of floor beams to support insulation at all points.

B. Attach welded wire mesh to joists using barbed fencing staples, 12” maximum spacing

C. Pull mesh tight between beams so that it does not sag greater than 2” from base of beam at any point

D. Cut and form mesh closely around obstructions and utilities. Resecure mesh to itself at cuts using wire or spare mesh.

END OF SECTION 072100

VAPOR RETARDERS 19

SECTION 072600 - VAPOR RETARDERS – BASE BID

PART 1 - GENERAL

1.1 SUMMARY

A. Section Includes:

1. Polyethylene vapor retarders.

B. DESCRIPTION OF WORK

1. Work shall include full replacement of existing vapor barrier within the crawl space.

1.2 ACTION SUBMITTALS

A. Product Data: For each type of vapor retarder and tape.

PART 2 - PRODUCTS

2.1 POLYETHYLENE VAPOR RETARDERS

A. Polyethylene Vapor Retarders: ASTM D4397, 8-mil-thick sheet, with maximum permeance rating of 0.1 perm.

PART 3 - EXECUTION

3.1 INSTALLATION OF VAPOR RETARDERS IN CRAWL SPACES

A. Install vapor retarders over prepared grade. Lap joints a minimum of 12 inches and seal with manufacturer's recommended tape.

B. Extend vapor retarder over footings and seal to foundation wall or grade beam with manufacturer's recommended tape.

1. Extend vapor retarder vertically minimum 12 inches up walls in crawl space and secure to block foundation with manufacturer recommended adhesive.

C. Seal around penetrations such as utilities and columns in order to create a monolithic, airtight membrane at grade surface, perimeter, and all vertical penetrations.

END OF SECTION 072600

CRAWL SPACE ENCAPSULATION 20

SECTION 072610 – CRAWL SPACE ENCAPSULATION – OPTION BID ITEM

PART 1 - GENERAL

1.1 SUMMARY

A. Section Includes:

1. Polyethylene vapor retarders.

2. Dehumidifiers

3. Sump pumps

4. Polystyrene insulation

1.2 DESCRIPTION OF WORK

A. The work of this section shall seal all penetrations and openings within the foundation walls and fully encapsulate the crawl space of the residence in accordance with the 2018 North Carolina version of the International Building Code, Section R409.

B. The work of this section shall further include the installation of dehumidifiers and sump pump(s) as required.

C. This section assumes a single sump location and pump will be sufficient. If additional sumps are required, they will be added to the contract via modification.

1.3 ACTION SUBMITTALS

A. Product Data: For each type of product.

1.4 QUALITY CONTROL

A. Encapsulation work shall be performed by qualified professional with documented previous experience available at COR request.

B. All electrical work shall be performed by an electrician licensed in the State of North Carolina.

CRAWL SPACE ENCAPSULATION 21

PART 2 - PRODUCTS

2.1 POLYETHYLENE VAPOR RETARDERS

A. Polyethylene Vapor Retarders for floor surface: ASTM D4397, 20-mil-thick sheet, with maximum permeance rating of 0.1 perm

B. Polyethylene Vapor Retarders for walls: ASTM D4397, 12-mil-thick sheet, with maximum permeance rating of 0.1 perm

2.2 RIGID FOAM INSULATION

A. Rigid foam (polystyrene, polyurethane, or polyisocyanurate) non-porous insulation material, with a minimum R value of 15.

2.3 SUMP PUMPS

A. Submersible, Fixed-Position, Double-Seal Sump Pumps:

1. Description: Factory-assembled and -tested sump-pump unit.

2. Pump Type: Submersible, end-suction, single-stage, close-coupled, overhung-impeller, centrifugal sump pump.

3. Pump Casing: Cast iron, with strainer inlet, legs that elevate pump to permit flow into impeller, and vertical discharge for piping connection.

4. Impeller: Statically and dynamically balanced, design for clear wastewater handling, and keyed and secured to shaft.

5. Pump and Motor Shaft: Stainless steel, with factory-sealed, grease-lubricated ball bearings.

6. Seals: Mechanical.

7. Switch type: Integral Vertical Mechanical Float.

8. Pump Capacity: 65 gallons per minute at 3 feet of head.

9. Reference Product: Liberty Pumps 297, 3/4 hp Submersible Sump Pump.

B. Perforated Sump Basin

1. Basin shall be adequately sized for sump pump, such that walls do not impact operation of vertical float.

2. Material: corrosion-resistant polyethylene

3. Reference Product: Liberty K001308 16 ½” x 15” Crawl Space Perforated Basin & Cover

2.4 DEHUMIDIFICATION SYTEMS

A. 70-pint minimum, professional grade crawl space dehumidifier

1. Reference Product: AprilAire E070 70 Pint Dehumidifier

B. AprilAire Model 76 Wall Mount Dehumidifier Control

C. ApilAire 4856 Condensate Pump

CRAWL SPACE ENCAPSULATION 22

PART 3 - EXECUTION

3.1 SEALING AND ENCLOSING CRAWL SPACE

A. Seal all exterior wall penetrations, mating surfaces at top and bottom of sill place and top and bottom of band joist, and joints around access door and frame with air sealing caulk, gaskets or sealants.

B. Seal all penetrations for plumbing, mechanical, electrical and gas lines and at duct penetrations with air sealing or fireproofing caulk as required by local building codes.

C. Seal all heating and cooling ductwork located in the crawlspace with mastic or other approved duct closure system.

D. Enclose all foundation vents and openings and seal.

3.2 INSTALLATION OF VAPOR RETARDERS ON FOUNDATION WALLS

A. Extend vapor retarders to extremities of areas to protect from vapor transmission, leaving the code required 3” termite inspection gap between top of vapor retarder and top of masonry wall.

B. Secure vapor retarders in place with adhesives, vapor retarder fasteners, or other anchorage system as recommended by manufacturer.

C. Seal joints caused by pipes, conduits, electrical boxes, and similar items penetrating vapor retarders with vapor-retarder tape to create an airtight seal between penetrating objects and vapor retarders.

D. Repair tears or punctures in vapor retarders immediately before concealment by other work.

Cover with vapor-retarder tape or another layer of vapor retarders.

3.3 INSTALLATION OF VAPOR RETARDERS IN CRAWL SPACES

A. Install vapor retarders over prepared grade. Lap joints a minimum of 12 inches and seal with manufacturer's recommended tape.

B. Extend vapor retarder over footings and seal to foundation wall or grade beam with manufacturer's recommended tape.

1. Extend vapor retarder vertically minimum 4-inches minimum up interior columns.

C. Seal around penetrations such as utilities and columns in order to create a monolithic, airtight membrane at grade surface, perimeter, and all vertical penetrations.

CRAWL SPACE ENCAPSULATION 23

3.4 CRAWL SPACE WALL INSULATION

A. Install rigid foam insulation over foundation exterior walls, leaving a 3” termite inspection gap between the top of the wall insulation and top of masonry wall. Leave a 3” wicking gap between the bottom of the wall insulation and the crawl space floor surface.

B. Attach rigid foam board to concrete walls per manufacturers instructions and NC building code requirements.

C. Insulate the band joist with fiberglass batt insulation.

3.5 INSTALLATION OF DEHUMIDIFICATION SYSTEMS

A. Dehumidifier shall be placed in central location within the crawlspace, subject to COR approval.

B. Level existing surface to greatest extent practicable.

C. Install dehumidifier per manufacturer’s instructions.

D. Install dedicated receptacle for dehumidifier and condensate pump if one is not available in immediate vicinity.

E. Install Model 4856 Condensate pump, and connect condensate line to existing drainpipe from air handler unit. Provide additional ¾” drain tube as necessary.

F. Install Model 76 Wall mount dehumidifier control within residence at location directed by

COR.

3.6 INSTALLATION OF SUMP PUMPS

A. Locate low spot within crawl space and confirm location with COR prior to any work.

B. Perform minor grading within crawl space if needed to direct flow to identified location.

C. Excavate sump pit with a minimum 8” diametrical clearance around the tank. Wrap sump basin with filter fabric and backfill void with 1/8” to 3/4” pea gravel or 1/8” to 1/2” washed, crushed stone. Install sump basin per manufacturers recommendations.

D. Install a receptacle within immediate vicinity of pump if none is existing.

E. Install sump pump within pit per manufacturers instructions. Install check valve and quarter turn ball valve on discharge pipe. Route discharge pipe through exterior wall and install per basin and pump manufacturer’s instructions. Seal penetration within crawl space foundation wall.

F. Terminate pump discharge piping to a downhill slope and at a distance from the house such that it will not drain back towards the building.

END OF SECTION 072610

GYPSUM BOARD 24

SECTION 092900 - GYPSUM BOARD

PART 1 - GENERAL

1.1 SUMMARY

A. Section Includes:

1. Interior gypsum board.

2. Texture finishes.

1.2 DELIVERY, STORAGE AND HANDLING

A. Store materials inside under cover and keep them dry and protected against weather, condensation, direct sunlight, construction traffic, and other potential causes of damage. Stack panels flat and supported on risers on a flat platform to prevent sagging.

1.3 FIELD CONDITIONS

A. Do not install panels that are wet, moisture damaged, and mold damaged.

PART 2 - PRODUCTS

2.1 GYPSUM BOARD, GENERAL

A. Size: Provide maximum lengths and widths available that will minimize joints in each area and that correspond with support system indicated.

2.2 INTERIOR GYPSUM BOARD

A. Gypsum Wallboard: ASTM C1396/C1396M.

1. Thickness: 3/8 inch min

2. Long Edges: Tapered

B. Mold-Resistant Gypsum Board: ASTM C1396/C1396M. With moisture- and mold-resistant core and paper surfaces.

1. Core: 1/2 inch regular type

2. Long Edges: Tapered.

3. Mold Resistance: ASTM C1396, <5% water absorption after 2 hrs submersion

4. Reference Product: USG Sheetrock Brand UltraLight Mold Tough Drywall

GYPSUM BOARD 25

3.1 EXAMINATION

A. Examine areas and substrates including support framing, with Installer present, for compliance with requirements and other conditions affecting performance of the Work.

B. Examine panels before installation. Reject panels that are wet, moisture damaged, and mold damaged.

C. Proceed with installation only after unsatisfactory conditions have been corrected.

3.2 INSTALLATION AND FINISHING OF PANELS, GENERAL

A. Comply with ASTM C840.

B. Install panels with face side out. Butt panels together for a light contact at edges and ends with not more than 1/16 inch of open space between panels. Do not force into place.

C. Locate edge and end joints over supports. Do not place tapered edges against cut edges or ends.

Stagger vertical joints on opposite sides of partitions. Do not make joints other than control joints at corners of framed openings.

D. Fastening Methods: Apply gypsum panels to supports with steel drill screws.

3.3 INSTALLATION OF TRIM ACCESSORIES

A. General: Attach trim according to manufacturer's written instructions.

B. Install trim at all outside corners.

3.4 FINISHING OF GYPSUM BOARD

A. General: Treat gypsum board joints, interior angles, edge trim, control joints, penetrations, fastener heads, surface defects, and elsewhere as required to prepare gypsum board surfaces for decoration. Promptly remove residual joint compound from adjacent surfaces.

B. Prefill open joints, and damaged surface areas.

C. Apply joint tape over gypsum board joints, except for trim products specifically indicated as not intended to receive tape.

D. Finish panels in exposed locations to Level 4, and in concealed locations to Level 3, in accordance with ASTM C840:

1. Primer and its application to surfaces are specified in Section 099123 "Interior Painting."

GYPSUM BOARD 26

3.5 PROTECTION

A. Protect adjacent surfaces from drywall compound and promptly remove from floors and other non-drywall surfaces. Repair surfaces stained, marred, or otherwise damaged during drywall application.

B. Protect installed products from damage from weather, condensation, direct sunlight, construction, and other causes during remainder of the construction period.

C. Remove and replace panels that are wet, moisture damaged, and mold damaged.

1. Indications that panels are wet or moisture damaged include, but are not limited to, discoloration, sagging, or irregular shape.

2. Indications that panels are mold damaged include, but are not limited to, fuzzy or splotchy surface contamination and discoloration.

END OF SECTION 092900

CERAMIC TILING 27

SECTION 093013 - CERAMIC TILING

PART 1 - GENERAL

1.1 SUMMARY

A. Section Includes:

1. Ceramic wall tile.

2. Finishing and edge-protection profiles for walls and countertops.

3. Tile backing panels.

4. Thresholds.

1.2 ACTION SUBMITTALS

A. Product Data: For each type of product.

1.3 DELIVERY, STORAGE, AND HANDLING

A. Deliver and store packaged materials in original containers with seals unbroken and labels intact until time of use.

B. Store tile and cementitious materials on elevated platforms, under cover, and in a dry location.

1.4 FIELD CONDITIONS

A. Environmental Limitations: Do not install tile until construction in spaces is complete and ambient temperature and humidity conditions are maintained at the levels indicated in referenced standards and manufacturer's written instructions.

PART 2 - PRODUCTS

2.1 TILE PRODUCTS

A. Glazed Wall Tile Type:

1. Module Size: 6 by 6 inches

2. Thickness: 5/16 inch

3. Finish: Glossed.

4. Tile Color and Pattern: Ivory, stacked

5. Reference Product: Daltile Restore, Ivory Glossy 6”x6” Glazed Ceramic Wall Tile

6. Grout Color: 640 Arctic White

CERAMIC TILING 28

2.2 TILE BACKING PANELS

A. Manufacturers

1. Acceptable Manufacturer: Schluter Systems L.P., which is located at: 194 Pleasant Ridge

Road.; Plattsburgh, NY 12901-5841; ASD Toll Free Tel: 800-472-4588; Fax: 800-477- 9783; Email:specassist@schluter.com; Web:www.schluter.com/schluter-us/en_US/.

2. Requests for substitutions will be considered in accordance with provisions of Section

013300 SUBMITTALS.

2.3 WATERPROOF BUILDING PANEL FOR CERAMIC AND STONE TILE

A. Project specific warranty to be provided from Schluter Systems L.P. by Tile Contractor.

B. Schluter-KERDI-BOARD: Rigid extruded polystyrene foam building element panel, with reinforcement material and polypropylene fleece webbing laminated on both sides for thin-set ceramic tile and dimension stone Installations.

C. Panel Thickness: 1/2 inches (12.5 mm).

D. Panel Size: 48 x 96 inch (122 x 244 cm).

2.4 SETTING MATERIALS

A. Standard Dry-Set Mortar (Thinset): ANSI A118.1 and unmodified Dry-Set Mortar (Thinset):

ANSI A118.4.

1. For wall applications, provide mortar that complies with requirements for nonsagging mortar in addition to the other requirements in ANSI A118.1.

B. Mix mortars and grouts to comply with referenced standards and mortar and grout manufacturers' written instructions.

C. Add materials, water, and additives in accurate proportions.

D. Obtain and use type of mixing equipment, mixer speeds, mixing containers, mixing time, and other procedures to produce mortars and grouts of uniform quality with optimum performance characteristics for installations indicated.

2.5…