Salem Roof Specs.doc

CIM-0905-15F-190-0905-05 DEFERRED MAINTENANCE SALEM ADMINISTRATIVE SITE

PROJECT NAME: Salem Roof Replacement Project

Notice to All Contractors: OSHA TRAINING REQUIREMENTS

Missouri Law, 292.675 RSMO, requires the awarded contractor and its subcontractor(s) to provide a ten (10) hour Occupational Safety and Health Administration (OSHA) Construction Safety Program (or a similar program approved by the Missouri Department of Labor and Industrial Relations as a qualified substitute) for their on-site employees (laborers, workmen, drivers, equipment operators, and craftsmen) who have not previously completed such a program and are directly engaged in actual construction of the improvement (or working at a nearby or adjacent facility used for construction of the improvement). Information on this requirement can be found at the following website: http://www.moga.mo.gov/statutes/c200-299/2920000675.htm

SECTION A - SUPPLIES OR SERVICES AND PRICE/COSTS

Furnish all labor, materials, tools, transportation, permits, insurance, and superintendence necessary to provide a new shingled roof system and chimney repair for three buildings at the Salem Administrative Site of the Salem Ranger District. All work necessary to complete items listed in “Summary of Work” without specific item no. shall be incidental to cost of Item A. All work shall be in accordance with the terms, conditions, and specifications of this solicitation and any resultant contract.

LEGEND

LS=LUMP SUM

SF=SQUARE FOOT

SCHEDULE OF ITEMS

· Item 1: (Salem Large Office)

Actual

Unit

Item No. Supplies/Services Quantity Unit Price Amount___ A. Remove Existing

Roof & Install New Roof

LS

B. Replace Damaged Decking as Needed

SF

C. Tuckpoint Chimneys

LS

TOTAL AMOUNT OF LARGE OFFICE OFFER __________

· Item 2: (Salem Small Office)

Item No. Supplies/Services Quantity Unit Price Amount___ A. Remove Existing

Roof & Install New Roof

LS

B. Replace Damaged Decking as Needed

SF

C. Tuckpoint Chimneys

LS

TOTAL AMOUNT OF SMALL OFFICE OFFER __________

· Item 3: (Salem Garage)

Item No. Supplies/Services Quantity Unit Price Amount___ A. Remove Existing

Roof & Install New Roof

LS

B. Replace Damaged Decking as Needed

SF

TOTAL AMOUNT OF Garage OFFER __________

BASIS OF AWARD: Award will be determined by the funds which are available at the time of offer opening. An award shall be made to the offeror whose quote is most advantageous to the Government.

EVALUATION CRITERIA: Cost to the Government is not expected to be the controlling factor in the selection of a Contractor for this solicitation.

The degree of importance of cost as a factor could become greater depending upon the quality of the offers for other factors evaluated. The following factors will be used for evaluation of each offer:

Past Performance Experience Price

Past Performance and Experience combined shall be approximately equal to price in evaluation of offers.

OFFER SUBMITTALS

OFFERS FROM CONTRACTORS WILL NOT BE EVALUATED UNLESS THE FOLLOWING IS SUBMITTED WITH OFFER:

Contractor shall submit a list of past projects similar in scope to this project with owner contact information completed in the last three years. Contractor shall submit a list of employees and project manager and a list of contract managers’ experience with similar projects that will be assigned to this project if offer is selected.

The Government reserves the right to make an award on the basis of initial offers received.

CONTRACT TIME: Contract time shall be 60 calendar days. Work shall begin within 10 calendar days after Contractor's receipt of the Notice to Proceed.

SITE TOUR INFORMATION: Prospective offerors are strongly encouraged to visit the project site and attend the site tour before they submit offers. Lack of attending a site tour does not constitute a changed condition.

SECTION 01100 - SUMMARY

PART 1 - GENERAL

1.1 SUMMARY OF WORK

A. Project Identification: As follows:

1. Project: Salem Administrative Site Roof Replacement Project

2. Owner: USDA Forest Service, Mark Twain National Forest

B. The contractor shall furnish all equipment, tools, labor, supervision, and incidentals necessary to perform the described work.

C. The Work shall consist of:

Large Office

1. Roofing: Remove existing asphalt shingles and felt to decking, replace with new felt and shingles, roof vents, replace/install eave and rake drip edge, install new flashing around all roof protrusions. Approximate size of the roof is 53 squares.

2. Decking replacement shall be as approved by COR at time of roof tear-off.

3. Chimney Tuckpointing: Tuckpoint masonry joints in brick chimney, replace damaged or deteriorated bricks, and install a high density cement chimney cap.

Installation of all incidentals necessary to complete above stated work per the NRCA Roofing Manual and manufacturers’ installation directions shall be included in the offer price for that item.

Small Office

1. Roofing: Remove existing asphalt shingles and felt to decking, and replace with new felt and shingles, roof vents, replace/install eave and rake drip edge, install new flashing around all roof protrusions, includes reroofing the small roof over the storm exit.. The approximate size of the roof is 15 squares.

2. Decking replacement shall be as approved by COR at time of roof tear-off.

3. Chimney Tuckpointing: Tuckpoint masonry joints in brick chimney, replace damaged or deteriorated bricks and install a high density cement chimney cap.

Installation of all incidentals necessary to complete above stated work per the NRCA Roofing Manual and manufacturers’ installation directions shall be included in the offer price for that item.

Salem Garage

1. Remove existing asphalt shingles and felt to decking, and replace with new felt and shingles, roof vents, replace/install eave and rake drip edge, replace damaged/rotted decking as needed. The approximate size of the roof is 9 squares.

2. Decking replacement shall be as approved by the COR at the time of roof tear-off.

Installation of all incidentals necessary to complete above stated work per the NRCA Roofing Manual and manufacturers’ installation directions shall be included in the offer price for that item.

1.2 LOCATION

A. The project is located at 1301 South Main, Salem, Missouri 65560. Directions from Rolla, MO: Take Hwy 72 East for 24 miles, turn left at 32/72, drive 1.5 miles, turn right on Hwy 19 South. Drive 0.1 miles, arrive at office on right.

1.3 WORK RESTRICTIONS

A. Contractor's Use of Premises: During construction, Contractor shall have limited use of buildings indicated and shall not cause undo interference with normal work operations while working on roof repair. Other than above, Contractor will not be restricted to when they can work. Work must be coordinated with the COR.

1.4 CODE COMPLIANCE

The proposed work shall comply with the following:

A. The International Building Code (IBC 2009)

B. National Roofing Contractor Association Roofing Manual (NRCA)

In the event of conflicting code requirements the more stringent shall apply.

1.5 DIFFERING SITE CONDITIONS

A. FAR 52.236-2 Differing Site Conditions shall be included in this contract. In the event Differing Site Conditions as defined by FAR 52.236-2 are encountered contractor shall promptly, and before conditions are disturbed provide written notification to the COR.

1.6 STORAGE

A. The Contractor shall be responsible for all materials and equipment stored on the project site. Locations of the Contractor’s storage areas shall be subject to approval by the COR.

1.7 CLEANUP

A. All refuse, including garbage, rubbish, construction refuse, unused materials, and wastes from the Contractor’s operations, shall be the property of the Contractor and shall be removed from Forest Service property and disposed of in a state-approved landfill or other approved location.

B. At the end of each workday, the Contractor shall cleanup the construction area. All debris shall either be placed in a construction dumpster or removed from the construction site. In addition, all pavement areas and sidewalks shall be swept clean of all debris and dust.

1.8 GOVERNMENT FACILITIES

A. Sanitary facilities are available at the site.

B. Commercial electric power is available at the site.

C. Potable water is available at the site.

1.9 INSPECTION AND ACCEPTANCE

A. Inspections shall be made by the COR, or his/her inspector. Inspections shall be made as often as necessary to ensure the work is being performed in a neat, workmanlike manner. A final inspection shall be made upon completion of the job. Final acceptance shall be based upon compliance with the contract specifications.

1.10 MEASUREMENT AND PAYMENT

A. Measurement and payment for contract work will be made only for and under those pay items included in the Schedule of Items. Measurement and payment for work or materials required to complete the project and which are not included as pay items on the Schedule of Items will be considered as incidental to and included in the payment for other pay items shown and separate measurement and payment therefore will not be made. Items listed as lump sum quantities may have estimated quantities listed in the summary of work these are a rough estimate only, actual material quantities and dimensions should be verified prior to submitting offer. Roof Decking replacement shall be an as needed item to be determined by the COR after roof tear-off, this is an actual quantity item based on the unit price provided by the contractor in his offer.

1.11 SUBMITTAL PROCEDURES

A. Contractor is responsible to submit all items in a timely manner so as not to cause a delay in the work. Approvals must be obtained prior to starting work which involves the item. Contractor shall allow ten days for processing of submittals by the Forest Service.

1. No extension of the Contract Time will be authorized because of failure to transmit submittals enough in advance of the Work to permit processing.

2. Forest Service will not accept submittals from sources other than Contractor.

3. Identify deviations from the Contract Documents.

4. Submit three (3) copies of each submittal.

B. Place a permanent label or title block on each submittal for identification. Include the following information on the label:

1. Project name.

2. Date.

3. Name and address of Contractor.

4. Name and address of subcontractor or supplier.

5. Number and title of appropriate Specification Section.

C. Submittal literature must be marked or otherwise designated to show the exact model, size, etc. the Contractor proposes to use. Information must be adequate to determine compliance with the specifications.

D. Forest Service will review each submittal, mark as appropriate to indicate approval or resubmit, and return copies less those retained. Compliance with specified requirements remains Contractor's responsibility.

E. Manufacturer’s literature are required for the following items:

1. Roofing Felt

2. Drip Edge

3. Shingles

4. Brick color chart

PART 2 - PRODUCTS (Not Applicable)

PART 3 - EXECUTION (Not Applicable)

END OF SECTION 01100

SECTION 040531-MASONRY TUCK POINTING

PART 4 - GENERAL

4.1 DESCRIPTION

A. This section specifies requirements for tuck pointing of existing masonry.

4.2 APPLICABLE PUBLICATIONS

A. Publications listed below form a part of this specification to extent referenced. Publications are referenced in the text by basic designation only.

B. American Society for Testing and Materials (ASTM):

1. C67‑07 Brick and Structural Clay Tile, Sampling and Testing

2. C216‑07 Facing Brick (Solid Masonry Units Made From Clay or Shale)

3. C270-07 Mortar for Unit Masonry C. International Masonry Institute: Recommended Practices and Guide Specifications for Cold Weather Masonry Construction.

4.3 PRODUCTS

A. TUCK POINTING MORTAR

1. As per appendix X3 of ASTM C270.

B. REPLACEMENT MASONRY UNITS

1. Face Brick:

a. ASTM C216, Grade SW, Type FBS. Brick shall be classified slightly efflorescent or better when tested in accordance with ASTM C67.

b. Face brick shall match facing brick of the existing building(s) that is being tuck pointed.

2. Other Units to match existing.

PART 5 - EXECUTION

5.1 CUT OUT OF EXISTING MORTAR JOINTS

A. Cut out existing mortar joints (both bed and head joints) and remove by means of a toothing chisel or a special pointer's grinder, to a uniform depth of to 19 mm (3/4‑inch), or until sound mortar is reached. Take care to not damage edges of existing masonry units to remain.

B. Remove dust and debris from the joints by brushing, blowing with air or rinsing with water. Do not rinse when temperature is below freezing.

PART 6 - JOB CONDITIONS

6.1 Protection: Protect newly pointed joints from rain, until pointed joints are sufficiently hard enough to prevent damage.

6.2 Cold Weather Protection:

A. Tuck pointing may be performed in freezing weather when methods of protection are utilized.

B. Comply with applicable sections of "Recommended Practices for Cold Weather Construction" as published by International Masonry Industry All Weather Council.

C. Existing surfaces at temperatures to prevent mortar from freezing or causing other damage to mortar.

PART 7 - INSTALLATION OF TUCK POINTING MORTAR

7.1 MORTAR

A. Immediately prior to application of mortar, dampen joints to be tuck pointed. Prior to application of pointing mortar, allow masonry units to absorb surface water.

B. Tightly pack mortar into joints in thin layers, approximately 6 mm (1/4‑inch) thick maximum.

C. Allow layer to become "thumbprint hard" before applying next layer.

D.

Pack final layer flush with surfaces of masonry units. When mortar becomes "thumbprint hard", tool joints.

7.2 TOOLING OF JOINTS

A. Tool joints with a jointing tool to produce a smooth, compacted, concaved joint.

B. Tool joints in patch work with a jointing tool to match the existing surrounding joints.

7.3 REPLACEMENT OF MASONRY UNITS

A. Cut out mortar joints surrounding masonry units that are to be removed and replaced.

1. Units removed may be broken and removed, providing surrounding units to remain are not damaged.

2. Once the units are removed, carefully chisel out the old mortar and remove dust and debris.

3. If units are located in exterior wythe of a cavity or veneer wall, exercise care to prevent debris falling into cavity.

B. Dampen surfaces of the surrounding units before new units are placed.

1. Allow existing masonry to absorb surface moisture prior to starting installation of the new replacement units.

2. Butter contact surfaces of existing masonry and new replacement masonry units with mortar.

3. Center replacement masonry units in opening and press into position.

4. Remove excess mortar with a trowel.

5. Point around replacement masonry units to ensure full head and bed joints.

6. When mortar becomes "thumbprint hard", tool joints.

7.4 CLEANING

A. Clean exposed masonry surfaces on completion.

B. Remove mortar droppings and other foreign substances from wall/roof surfaces.

C. First wet surfaces with clean water, then wash down with a solution of soapless detergent specially prepared for cleaning brick.

D. Brush with stiff fiber brushes while washing, and immediately thereafter hose down with clean water.

E. Free clean surfaces from traces of detergent, foreign streaks or stains. Protect materials during cleaning operations including adjoining construction.

F. Use of muratic acid for cleaning is prohibited.

END SECTION 040531

SECTION 07311 - ASPHALT SHINGLES

PART 8 - GENERAL

8.1 SECTION REQUIREMENTS

A. Submittals: Product Data, manufacturer’s written installation instructions, and all applicable flashing details from the "The NRCA Roofing Manual".

B. Identify each bundle of shingles with appropriate markings of UL or another testing and inspection agency acceptable to authorities having jurisdiction.

1. Fire-Test-Response classification: ASTM E 108 or UL 790, Class C.

2. Wind-Resistance-Test Characteristics: ASTM D 3161 or UL 997, passed.

PART 9 - PRODUCTS

9.1 ASPHALT SHINGLES

A. Shingles: Mineral-surfaced, self-sealing, 3-tab, asphalt shingles; 25-year warranty, Tamko Elite Glass-Seal or COR approved equal. Shingles used on a roof shall all be from the same lot number. Shingles from different lots may be used on other buildings in the compound provided that only one lot per building is used. Color shall be Tamko Grey Blend.

9.2 ACCESSORIES

A. Roofing Felt: Asphalt impregnated paper 30 lb.

B. Flashing: 18 ga galvanized job-cut to sizes and configuration required.

C. Crickets: 18 ga galvanized job-cut to sizes and configuration required on all roof protrusions exceeding 24 inches wide measured perpendicular to the slope.

D. Drip Edging: Aluminum, Overhang Drip Edge, 1 ¾”, .019” Thick.

E. Nails: Aluminum or hot-dip galvanized steel conventional roofing nails of sufficient length to penetrate into solid decking except that nails shall not penetrate exposed surface. No staples.

F. Decking: Decking material shall be “like kind” to existing decking material.

G. Roof Vents: Similar style as existing with no reduction of airflow capacity

PART 10 - EXECUTION

10.1 PROTECTION OF PROPERTY

A. The contractor shall protect the building at all times during construction from water damage.

B. Contractor shall be responsible for repairing rutting or other site damage caused by construction activities.

C. Public Safety: The contractor will be responsible to secure work areas and provide for public safety.

10.2 QUALITY ASSURANCE

A. Installation shall comply with the manufacturer’s recommendations and all applicable local, state, and national codes, laws and regulations, including but not limited to the International Building Code.

10.3 INSTALLATION

A. Install all materials in accordance with manufacturer’s recommendations and applicable codes/manual; in the event of a discrepancy the more stringent shall apply.

B. Apply roofing felt per manufacturer’s recommendation for lap and thickness.

C. Install metal flashing and trim in the new roof system for the Warehouse building according to details and instructions of the National Roofing Contractors Association (NRCA) The NRCA Roofing Manual.

D. Install asphalt shingles per the NRCA. Install first and remaining courses of asphalt shingles stair-stepping diagonally in a pattern that matches the new roofing on the warehouse across roof deck with manufacturer’s recommended offset pattern at succeeding courses.

E. Install flashing and drip edge according to manufacturer's written instructions and per the NRCA.

END OF SECTION 07311

Figure 1: Salem Large Office

Figure 2: Salem Large Office Closeup

Figure 3: Salem Small Office

Figure 4: Salem Small Office Back Entrance

Figure 5: Salem Garage