B08_Attach1_SOW_WH_Env_Imp_Specs_Combined_TOC_FINAL_20250610.pdf

BUREAU OF LAND MANAGEMENT

ROSEBURG DISTRICT OFFICE

WAREHOUSE ENVIRONMENTAL

IMPROVEMENTS

PROJECT SPECIFICATIONS

Prepared by:

Bureau of Land Management

Roseburg District Office Roseburg, OR 97471

OCTOBER 28, 2024

DIVISION 1 SECTION 001000

GENERAL SUMMARY OF WORK & GENERAL REQUIREMENTS

01000-1

1.01 SUMMARY OF WORK

A. Description of Work: Furnishing all labor, equipment, and materials necessary to complete the work specified within these specifications and as shown on the drawings.

Work includes:

1. Demolition & Removal:

a. Warehouse Building Exterior:

1) Excavate and dispose of approximately 5 yards of material and vegeta-tion on the northeast side of the building to facilitate the construction of a cast in place concrete pad. Location shown in drawings.

2) Remove existing outdoor air conditioning unit along with all mechani-cal, plumbing, and electrical associated equipment. The outdoor air condition unit is located on the northwest side of the building and is shown in the drawings.

b. Interior of Warehouse building:

1) Remove all existing overhead gas furnace units within the warehouse building located in the following rooms: Record Room, Restroom, Main Warehouse, Secure Storage, and Radio Electric Shop.

o Remove existing all natural gas lines connecting each of the furnace units.

o Cap natural gas lines at designated locations shown in draw-ings.

o Remove, cut, and cap corresponding Type B Vents attached to existing overhead gas furnace units so they protrude from ceil-ing at a minimum of 1.5” and a maximum of 3”. Refer to speci-fication 002222 for further information.

2) Remove Indoor Air Conditioning Units:

o Main Warehouse Room:

Remove the indoor air conditioning unit located on the 2nd floor of the Main Warehouse Loft along with all as-sociated mechanical, electrical, and plumbing lines.

Remove the platform and mounting brackets to the air-conditioning unit.

01000-2

Remove the cover box across walkway near stairwell that houses the mechanical, plumbing, and electrical lines.

o IT Specialist Office:

Remove the wall mounted through-the-wall air condi-tioning unit and any associated mechanical and electri-cal equipment.

3) Remove Electric Baseboard Heaters located in the IT Specialist Office.

4) Replace all designated light fixtures and bulbs with LEDs. Refer to

Drawings for specified light fixtures and bulbs that need to be re-placed.

2. Installation of Ductless Mini-Split Systems:

a. Locations and Sizing of Ductless Mini-Split Heat Pump Systems:

1) Drawings and specifications 015470 indicate the sizing of desired outdoor and indoor units for the multi zone mini split systems, how-ever, sizing of both outdoor and indoor units can be adjusted with the approval of the Contracting Officer.

2) See plans for proposed locations and sizes of ductless mini splits to facilitate effective heating and cooling of work areas. Actual loca-tions and sizes for the mini split systems installation shall be subject to approval by the Contracting Officer.

b. Outside Condensing Units:

1) Install 2 (two) new ductless heat pump units along with all necessary refrigerant lines, electrical wiring, connections to utilities, venting, building penetrations, controls, shields, condensation drain lines, grounding and all other components and appurtenances necessary.

Sizes and locations are shown in specification 015470 and drawings.

c. Inside Air Handler Units:

1) Install a total of 8 (eight) air handler units in varying sizes and all necessary refrigerant lines, electrical wiring, connections to utilities, venting, building penetrations, controls, shields, condensation drain lines, grounding and all other components and appurtenances neces-sary. Sizes and locations are shown in specification 015740 and drawings.

3. Electrical Adjustments and New Installations:

a. Install 2 (two) 30-AMP circuit with corresponding electrical wire and conduit to meet NECA requirements and 2 (two) 30 AMP disconnect fuse boxes and associated electrical accessories to supply power to the outside ductless units. Proposed locations are shown in drawings. Ac-tual locations shall be subject to approval by the Contracting Officer.

01000-3

b. Install 1 (one) 20-AMP circuit with corresponding electrical wire and con-duit to meet NECA requirements and 1 (one) 20-Amp outdoor covered GFCI outlets.

4. Repair Work and Finishes:

a. Repair and refinish walls and ceilings where either wire or mechanical equipment such as refrigeration lines, exhaust flutes, and natural gas pipe have entered or protruded from walls and ceilings:

b. Repair and refinish concrete block wall locations where exiting air condi-tioning units have been removed. See plans of the locations that repairs will be needed. Refer to Specification 009250 for further information.

c. Repair or replace louver grilles and soffit screens where demolition of ex-isting natural gas lines, electrical wire, and mechanical equipment pro-truded through the opening(s).

5. Slab-On-Grade Cast-In-Place Concrete:

a. Construct an 8’ wide by 6’ deep by 6” thick cast in place concrete pad with sidewalls. Sidewalls are to be constructed to a 6” thickness with sidewalls at heights varying from 12” to 24”. Concrete pad details shown in drawings. Cast-in-place concrete pad located on the northeast side of the warehouse building between the sidewalk and the ware-house building.

1.02 GENERAL REQUIREMENTS

A. Examine the work area prior to construction to ensure that all materials and di-mensions are verified and that the Scope of Work aligns with the project pro-gram as outlined in this Statement of Work.

B. Minimize noise generation during construction.

C. BLM will continue to use the warehouse during construction.

D. Employ processes that ensure the generation of as little waste as possible.

E. Trailers, storage, and/or staging area locations shall be approved by the Gov-ernment.

F. Secure work area and provide for continued access to the facility.

G. Parking of vehicles shall be limited to existing parking areas and within ap-proved staging areas as agreed upon by Government staff and the Contractor.

H. The Contractor shall stop work on any item or feature pending satisfactory cor-rection of any deficiency noted by the Government.

I. Temporary materials may be new or used, but must be adequate in capacity for the required usage, must not create unsafe or unsecure conditions, and must not violate requirements of applicable codes and standards.

J. Confine all operations to the exterior and interior Warehouse Building. Prevent damage to natural surroundings and the existing facility.

01000-4

K. Keep project neat, orderly, and in a safe condition at all times.

L. When inclement weather is expected, provide temporary protection as applica-ble.

1.03 REFERENCES:

Referenced Standards are listed in the applicable specification section.

1.04 DEFINITIONS:

Approvals: Approval of submittals is indication that the Contractor’s submittals have been reviewed and that there are no objections, except as noted. Approval of deviations shall apply only to those deviations or omissions from the require-ments of the drawings and specifications brought to the Contracting Officer’s (CO) attention in writing.

1.05 SUBMITTALS:

A. Scope: Submittals include shop drawings, manufacturers’ literature, as-built drawings, samples, work schedules and a schedule of values.

B. Requirements: Refer to specification sections for submittals required. Allow at least 7 working days for review, plus transmittal time back and forth. Submittals shall be sent or delivered to the Contracting Officer’s Representative (COR) at 777 Garden Valley Blvd. Roseburg, OR 97470. Submittals shall come directly from the Contractor with contractors suppliers. Do not Commence work which requires review of any submittals until receipt of returned submittals with an ac-ceptable action. Do not allow submittals without an acceptable action to be used for the project.

C. Identification of Submittals: Completely identify each submittal by showing at least the following information:

1. Name and address of submitter (Contractor), plus name and telephone number of the individual to contract for further information.

2. Name of project as it appears in these specifications.

3. Contract number, submittal number, and specification section number to which the submittal applies.

D. Unless stated otherwise in the individual specification section, provide 3 copies of submittals for use by the Government, plus the number of submittals needed to be returned to the Contractor for use by Contractor, sub-contractors, suppliers, or others.

01000-5

1.06 CONFORMANCE:

Submittals must show clearly that the product, sample, or shop drawing conforms to the specifications.

1.07 QUALITY ASSURANCE:

A. Codes and standards: The work shall comply with codes and standards applica-ble to each type of work and as listed in the individual sections of these specifi-cations. This contract incorporates materials, applications, and tests by reference, with the same force and effect as if they were given in full text.

B. Conflict: where a conflict occurs between reference documents, drawings, and project specifications, the project specifications shall govern.

C. Measurements: Where approved manufacture’s diagrams and warehouse draw-ings give specific measurements or rough-in dimensions for equipment, these dimensions shall take precedence over dimensions indicated on the drawings.

D. Materials: Prior to ordering materials, verify dimensions and functions of mate-rial proposed for use. Be certain the material is compatible with the structural and architectural features of work, avoids conflicts and that it will fit the project requirements.

1.08 DELIVERY, STORAGE, AND HEALING:

A. Delivery: Project products incorporated into the work from damage while transit to the site. Products must be delivered in original containers with manufacturer's name, brand designation, and contents legibly indicated. The containers shall bear the referenced specification number, type, and class as applicable.

B. Storage: Provide temporary storage facilities for products. Storage shall comply with the manufacturer's instructions. The storage area shall permit access for in-spection and handling.

C. Handling: The contractor shall load and unload products in such a manner that protects them from damage.

D. Hauling: Comply with all legal and/or posted load restrictions when hauling ma-terials and equipment on public, private, and government roads to and from the projects.

E. Waste Disposal: All waste shall be disposed of in a legal and appropriate man-ner, and in the accordance with Federal, State, and local regulations. Waste shall become the property of the contractor, unless otherwise specified, and disposed of off BLM property.

1.09 PROJECT/SITE CONDITIONS:

A. Existing Site Conditions:

01000-6

1. The Warehouse building is walled with 12”x12”x 10” thick CMU blocks, with concrete slab-on-grade floors, and interior 2x6 framed walls with drywall fin-ish. The room details and approximate gross dimensions of each room within the warehouse building are shown on plans and are as follows:

a. Record Room:

1) Dimensions: 21’-6” long x 14’-9” wide x 12’-6” high (average height) with an approximate of 313 square feet and 3,080 cubic feet.

2) Windows: None

3) Louvers/Vents/Grilles: 3-16” x 24” overhead transfer grille,

4) Doors: 1 person door, 32” wide x 82” tall.

5) Walls: non-insulated 10” CMU block, with no insulation

6) Ceilings: vaulted finished drywall. It is unknown if ceiling has insula-tion installed.

b. Restroom:

1) Dimensions: 17’-6” long x 14’-9” wide x 12’-9” high (average height) with an approximate of 225 square feet and 2,571 cubic feet of space.

2) Windows: None

3) Louvers/Vents/Grilles: 16” x 24” overhead transfer grills and 1 over-head exhaust fan.

4) Doors: 1 person door, 44” wide x 82” tall.

5) Walls: non-insulated 10” CMU block; and 2x6 framed walls with drywall finish unknown insulation.

6) Ceilings: vaulted finished drywall. It is unknown if insulation has been installed.

c. Soil Lab:

1) Dimensions: 23’-5” long x 11’-9” wide x 8’ high (average height) with an approximate of 284 square feet and 2,485 cubic feet of space

2) Windows: None

3) Louvers/Vents/Grilles: 10” x 18” overhead ceiling grille

4) Doors: 1 person door, 44” wide x 82” tall.

5) Walls: non-insulated 10” CMU block and 2x6 framed walls with drywall finish unknown insulation.

6) Ceilings: finished drywall. It is unknown if insulation has been in-stalled.

d. Main Warehouse (first floor):

1) Dimensions: (various dimensions for room) with an average ceiling height of 15 feet. An approximate size of 1,415 square feet and 22,550 cubic feet of space.

2) Windows: None

3) Louvers/Vents/Grilles: 10” x 18” overhead wall transfer grille

01000-7

4) Doors: 2 person doors, 1 (one) 32” wide x 82” tall and 1 (one) 36” wide x 82” tall; 1 non-insulated metal roll up door, 7’-6” wide x 8’0” high

5) Walls: non-insulated 10” CMU block and 2x6 framed walls with drywall finish unknown insulation.

e. Main Warehouse (second floor loft):

1) Dimensions: (various dimensions for loft) with an average ceiling height of 8 feet. An approximate size of 590 square feet. The cubic feet of loft were included in the cubic feet on Main Warehouse (first floor). See above.

2) Windows: None

3) Doors: 1 person doors, 32” wide x 82” tall.

4) Walls: non-insulated 10” CMU block, and 2x6 framed walls with drywall finish unknown insulation.

5) Ceilings: vaulted finished drywall. It is unknown if insulation has

f. Secure Storage:

1) Dimensions: 39’-7” long x 14’-9” wide x 12’-9” high (average height) with an approximate size of 675 square feet and 10,325 cubic feet of space.

2) Windows: None

3) Louvers/Vents/Grilles: 8” x 8” overhead wall louver and 1-8”x8” overhead transfer grill.

4) Doors: 1 person doors, 32” wide x 82” tall, 1 non insulated metal roll up door, 9’-8” wide x 8’0” high

5) Walls: non-insulated 10” CMU block, and 2x6 framed walls with drywall finish unknown insulation.

g. IT Specialist Office:

1) Dimensions: 12’-0” long x 28’-0” wide x 12’-0” high (average height) with an approximate size of 288 square feet and 3,460 cubic feet of space.

2) Windows: None.

3) Louvers/Vents/Grilles: 24” x 24” ducted vent.

4) Doors: 2 person doors, 32” wide x 82” tall.

5) Walls: non-insulated 10” CMU block, and 2x6 framed walls with drywall finish unknown insulation.

01000-8

h. Radio Electronic Shop:

1) Dimensions: 27’-1” long x 24’-10” wide x 15” high (average height) with an approximate size of 673 square feet and 9,400 cubic feet of space.

2) Windows: None

3) Louvers/Vents/Grilles: 8” x 8” overhead wall louver and 1-8”x8” overhead transfer grill.

4) Doors: 1 person doors, 3’ wide; 1 non insulated metal roll up door, 9’-

8” wide x 11’-4” high.

5) Walls: non-insulated 10” CMU block, and 2x6 framed walls with drywall finish unknown insulation.

6) Ceilings: vaulted finished drywall. It is unknown if insulation has been installed.

2. All rooms listed above have unknown “R” values for the walls and ceilings.

3. Seismic requirements shall be per Oregon State Building Code for Seismic

Zone D1.

4. See drawings for existing and proposed heating and cooling conditions for each room as well as the existing and proposed lighting conditions.

5. See drawings for exiting and outdoor unit locations and the proposed cast in place concrete pad location.

B. The project site is located near an active BLM facility. Coordination with the on-site BLM personnel will be necessary.

C. All damage by Contractor’s activities shall be repaired by the Contractor at no cost to the Government.

D. Safety is paramount. Contractor is responsible for safety on the project site and shall take measures to maintain a safe area around the project site which is used by Government employees.

E. Landscape Protection: Protect all vegetation inside and outside work limits. All rutting caused by Contractor activities shall be filled and contoured to match ad-jacent areas.

F. Existing buried utilities shall be located and marked at the contractor’s expense prior to any work. If existing buried utilities conflict with the location of the post the COR shall be notified, and the locations of the buried utility shall be aban-doned.

G. Work Hours: Between the hours of 8:00AM and 8:00 PM.

H. Access:

1. The building requires a key card for entry and most of the interior rooms re-quire a standard key for access.

2. The Contractor’s HSPD-12 credentialed employees may be issued key card passes as well as standard keys, subject to verification, security checks, and training.

01000-9

1.10 USE OF PREMISES

A. Use of Site: Limit use of premises to work in areas indicated. Do not disturb portions of Project site beyond areas in which the Work is indicated.

1. Limits: Confine constructions operations to the Maintenance Shop building at each site.

a. Limit site disturbance, including earthwork and clearing of vegetation, to

10 feet beyond.

2. Government Occupancy: Allow for Government occupancy of Project site.

Government personnel may be intermittently occupying areas of the building immediately adjacent to the work area. Conduct work in a manner that will minimize needs for disruption of normal Government operations. Provide minimum 48 hours advance notice to Contracting Officer of activities that will impact normal Government operations.

3. Driveways and Entrances: Keep driveways and entrances serving premises and buildings clear and available to Government equipment, Government employees, and emergency vehicles at all times. Do not use these areas for parking or storage of materials.

a. Schedule deliveries to minimize blocking of driveways and entrances.

b. Schedule deliveries to minimize space and time requirements for storage of materials and equipment on-site.

B. Use of Existing Building: Maintain existing building in a weather tight condi-tion throughout construction period. Repair damage caused by construction op-erations. Protect building and its occupants during construction period.

C. Utilities: Service interruptions of gas and electricity will be allowed per schedule approved by Contracting Officer.

D. Construction Camp: Establishment of a construction camp within the boundaries of the site will not be permitted.

1.11 SEQUENCING AND SCHEDULING:

A. Work Schedule: The schedule shall be submitted at the pre-work conference.

When requested, the contractor shall submit an updated schedule within 3 calen-dar days. Work shall be preformed Monday through Friday each work week. No work shall be preformed on Federal Holidays.

2. PART 2: PRODUCTS

There are not applicable requirements.

3. PART 3: EXECUTION

3.01 PROJECT MEETINGS:

A. Pre-Work Conference:

01000-10

1. A prework conference will be held prior to the start of work. The Contractor will be notified in advance of meeting time, date, and place. The purpose of the meeting will be to review required work, project drawings and specifica-tions, construction schedules, payroll and payments, and administrative pro-visions of the contract.

2. The Contractor, subcontractors, and the persons responsible for coordination of the work shall be present at the meeting.

3. The Contractor shall submit a schedule of values at the prework meeting, which may be used as a basis of payment as the work progresses.

B. Progress Meetings:

To be held at the project site as required.

C. Final Inspections:

For final inspection, notify the COR in writing at least 4 working days before the completion date so the Government can schedule final inspection. The superinten-dent shall be present during the final inspection.

3.02 SCHEDULE

A. When contract modifications or changes are initiated, delays are experienced, or the Contractor desires to revise the project schedule, the Contractor shall submit to the Government a written time impact analysis illustrating the influence of each modification, change, delay or Contractor request on the contract time.

B. Coordinate regularly with government staff on permissible hours of construc-tion, as well as anticipated down-time for doors so that Government staff may plan accordingly.

3.03 UTILITIES:

A. Water: Water is available on site at hose bibs adjacent to the buildings.

B. Electrical: Electrical power is available at the facility.

3.04 DISPOSAL OF DEBRIS:

A. Requirements: Items or debris not designated as salvage for the Government shall become the property of the contractor. The Contractor shall be responsible for disposal of materials in a legal manner and for payment of any fees required.

Sale of material onsite is not allowed unless authorized in writing by the Con-tracting Officer.

01000-11

4. PART 4: MEASUREMENT AND PAYMENT

4.01 METHOD OF MEASUREMENT:

A. Units: The work described in this section will not be measured for payment.

4.02 BASIS OF PAYMENT:

A. Payment: No direct payment for the work described under this section will be made. The Contractor shall include consideration for this item in the bid price for other items of the Contract.

END OF SECTION

DIVISION 1 SECTION 001505

GENERAL REQUIREMENTS MOBILIZATION

01505-1

1. PART 1: GENERAL

1.01 SUMMARY:

A. Section Includes: Preparatory work and operations, including those necessary to the movement of personnel, equipment, supplies and incidentals to the project site. Also includes other work and operations which must be performed and/or costs incurred prior to beginning work on the components listed in the schedule of items.

2. PART 2: PRODUCTS

There are no applicable requirements.

3. PART 3: EXECUTION

There are no applicable requirements.

4. PART 4: MEASUREMENT AND PAYMENT

4.01 METHOD OF MEASUREMENT:

Units: The work described in this section will be measured and paid for on a lump sum basis.

DIVISION 1 SECTION 001505

GENERAL REQUIREMENTS MOBILIZATION

01505-2

4.02 BASIS OF PAYMENT:

A. Payment will be full compensation for the work described in this section. Payment will be made under:

Pay Item Pay Unit

001505(01) Mobilization Lump Sum

DIVISON 1 SECTION 001731

GENERAL REQUIREMNTS CUTTING AND PATCHING

JANUARY 2024

ROSEBURG DISTRICT OFFICE CUTTING AND PATCHING

WAREHOUSE ENVIRONMENTAL IMPROVEMENTS 01731-1

PART 1: GENERAL

1.01 SUMMARY OF WORK

A. This Section includes procedural requirements for cutting and patching of gypsum board and masonry wall.

1.02 RELATED SECTIONS

B. Section 002222 – Minor Demolition

C. Section 007900 - Joint Sealants

D. Section 009250 - Gypsum Board, Painting & Masonry

E. Section 016010 – Electrical Requirements

F. Section 016500 – Lighting

1.03 SUBMITTALS

A. Cutting and Patching Proposal: Submit a proposal describing procedures at least 10 days before the time cutting and patching will be performed, requesting approval to proceed. Include the following information:

1. Extent: Describe cutting and patching, show how they will be performed, and indicate why they cannot be avoided.

2. Changes to In-Place Construction: Describe anticipated results. Include changes to structural elements and operating components as well as changes in building's appearance and other significant visual elements.

3. Products: List products to be used and firms or entities that will perform the Work.

4. Dates: Indicate when cutting and patching will be performed.

5. Utility Services and Mechanical/Electrical Systems: List services/systems that cutting and patching procedures will disturb or affect. List services/systems that will be relocated and those that will be temporarily out of service. Indicate how long services/systems will be disrupted.

6. Structural Elements: Where cutting and patching involve adding reinforcement to structural elements, submit details and engineering calculations showing integration of reinforcement with original structure.

DIVISON 1 SECTION 001731

WAREHOUSE ENVIRONMENTAL IMPROVEMENTS 01731-2

7. Government Approval: Obtain approval of cutting and patching proposal before cutting and patching. Approval does not waive right to later require removal and replacement of unsatisfactory work.

1.04 QUALITY ASSURANCE

A. Miscellaneous Elements: Do not cut and patch miscellaneous elements or related components in a manner that could change their load-carrying capacity, that result in reducing their capacity to perform as intended, or that result in increased maintenance or decreased operational life or safety.

B. Visual Requirements: Do not cut and patch construction in a manner that results in visual evidence of cutting and patching. Do not cut and patch construction exposed on the exterior or in occupied spaces in a manner that would, in Contracting Officer's opinion, reduce the building's aesthetic qualities. Remove and replace construction that has been cut and patched in a visually unsatisfactory manner.

PART 2 - PRODUCTS

2.01 MATERIALS

A. General: Comply with requirements specified in other Sections.

B. In-Place Materials: Use materials identical to in-place materials. For exposed surfaces, use materials that visually match in-place adjacent surfaces to the fullest extent possible.

1. If identical materials are unavailable or cannot be used, use materials that, when installed, will match the visual and functional performance of in-place materials.

PART 3 - EXECUTION

3.01 EXAMINATION

A. Examine surfaces to be cut and patched and conditions under which cutting and patching are to be performed.

1. Compatibility: Before patching, verify compatibility with and suitability of substrates, including compatibility with in-place finishes or primers.

2. Proceed with installation only after unsafe or unsatisfactory conditions have been corrected.

DIVISON 1 SECTION 001731

WAREHOUSE ENVIRONMENTAL IMPROVEMENTS 01731-3

3.02 PREPARATION

A. Temporary Support: Provide temporary support of Work to be cut.

B. Protection: Protect in-place construction during cutting and patching to prevent damage. Provide protection from adverse weather conditions for portions of Project that might be exposed during cutting and patching operations.

C. Adjoining Areas: Avoid interference with use of adjoining areas or interruption of free passage to adjoining areas.

D. Existing Utility Services and Mechanical/Electrical Systems: Where existing services/systems are required to be removed, relocated, or abandoned, bypass such services/systems before cutting to minimize interruption to occupied areas.

3.03 PERFORMANCE

A. General: Employ skilled workers to perform cutting and patching. Proceed with cutting and patching at the earliest feasible time, and complete without delay.

1. Cut in-place construction to provide for installation of other components or performance of other construction, and subsequently patch as required to restore surfaces to their original condition.

B. Cutting: Cut in-place construction by sawing, drilling, breaking, chipping, grinding, and similar operations, including excavation, using methods least likely to damage elements retained or adjoining construction. If possible, review proposed procedures with original Installer; comply with original Installer's written recommendations.

1. In general, use hand or small power tools designed for sawing and grinding, not hammering, and chopping. Cut holes and slots as small as possible, neatly to size required, and with minimum disturbance of adjacent surfaces. Temporarily cover openings when not in use.

2. Finished Surfaces: Cut or drill from the exposed or finished side into concealed surfaces.

3. Asphalt: Cut using a cutting machine, such as an abrasive saw or a diamond-core drill.

4. Excavating and Backfilling: Comply with requirements in applicable Division 2 Sections where required by cutting and patching operations.

5. Proceed with patching after construction operations requiring cutting are complete.

C. Patching: Patch construction by filling, repairing, refinishing, closing up, and similar operations following performance of other Work. Patch with durable seams that are as invisible as possible. Provide materials and comply with installation requirements specified in other Sections.

DIVISON 1 SECTION 001731

WAREHOUSE ENVIRONMENTAL IMPROVEMENTS 01731-4

1. Inspection: Where feasible, test and inspect patched areas after completion to demonstrate integrity of installation.

2. Exposed Finishes: Restore exposed finishes of patched areas and extend finish restoration into retained adjoining construction in a manner that will eliminate evidence of patching and refinishing.

3. Floors and Walls: Where walls or partitions that are removed extend one finished area into another, patch and repair floor and wall surfaces in the new space. Provide an even surface of uniform finish, color, texture, and appearance.

Remove in-place floor and wall coverings and replace with new materials, if necessary, to achieve uniform color and appearance.

4. Ceilings: Patch, repair, or rehang in-place ceilings as necessary to provide an even-plane surface of uniform appearance.

5. Exterior Building Enclosure: Patch components in a manner that restores enclosure to a weather tight condition.

D. Cleaning: Clean areas and spaces where cutting and patching are performed.

Completely remove paint, mortar, oils, putty, and similar materials.

1. PART 4: MEASUREMENT AND PAYMENT

4.01 METHOD OF MEASUREMENT:

A. Units: The work described in this section will not be measured for payment.

4.02 BASIS OF PAYMENT:

A. Payment: No direct payment for the work described under this section will be made. The Contractor shall include consideration for this item in the bid price for other items of the Contract.

DIVISION 2 SECTION 002222

SITEWORK MINOR DEMOLITION

02222-1

1. PART 1: GENERAL

1.01 SUMMARY

A. Section Includes: The demolition and disposal, or removal and salvage of selected portions of a building, and components; including removing designated equipment and fixtures, capping utilities and vents, and cleanup in preparation for improvements.

1.02 RELATED SECTIONS:

A. Section 001000 – Summary of Work & General Requirements B. Section 001505 – Mobilization C. Section 001731 – Cutting and Patching D. Section 009250 – Gypsum Board & Painting E. Section 015740 – Ductless Mini-Split Heat Pump F. Section 016010 – Electrical Requirements G. Section 016500 – Lighting

1.03 DEFINITIONS

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

B. Remove and Salvage: Detach items from existing construction and deliver them to Government ready for reuse.

C. Remove and Reinstall: Detach items from existing construction, prepare them for reuse, and reinstall them where indicated.

D. Existing to Remain: Existing items of construction that are not to be removed and that are not otherwise indicated to be removed, removed, and salvaged, or removed and reinstalled.

1.04 SUBMITTALS

A. Provide demolition schedule including the following:

1. The detailed demolition component that is planned and is specified by each area.

2. Demolition starts and end dates and time specified by each area.

3. If applicable, length of time that specified room will not have access to specific utilities affected.

4. Pre-demolition photographs: Show existing conditions of adjoining construction and site improvements, including finish surfaces that might be misconstrued as damage caused by selective demolition operations. Submit before Work begins.

02222-2

B. Warehouse Drawings: Include diagrams of the type of natural gas pipe cap connections and locations if different than BLM proposed locations.

1.05 QUALITY ASSURANCE

A. Regulations: Comply with federal, state, and local hauling and disposal regulations.

B. Refrigerant Recovery Technician Qualifications: Certified by an EPA-approved certification program.

C. Demolition Firm Qualifications: An experienced firm that has specialized in demolition work similar in material and extent to that indicated for this Project.

D. Regulatory Requirements: Comply with governing EPA notification regulations before beginning selective demolition. Comply with hauling and disposal regulations of authorities having jurisdiction.

E. Standards: Comply with ANSI A10.6 and NFPA 241.

F. Pre-Demolition Conference: Conduct conference at project site. The

Contracting Officer’s Representative and the Contractor shall perform a joint inspection of all areas where work will be performed and all construction access routes prior to demolition activities. Existing conditions and deficiencies shall be noted to establish a baseline prior to commencing demolition.

2. PART 2: PRODUCTS

A. Use REPA Market Round Vent Cover - Galvanized Steel - Indoor and Outdoor Pipe End Cap - Type B or approved equal. (See drawings for reference).

3. PART 3: EXECUTION

3.01 EXAMINATION

A. Verification of Conditions: Visit the site and verify the extent and location of the demolition work required.

3.02 PREPARATION

A. Requirements: Notify Contracting Officer of work which may affect adjacent structures, potential noise, outage, or disruption. Coordinate with the Contracting Officer.

1. Do not interfere with use of adjacent buildings.

2. Debris shall not be allowed to accumulate and block access to other buildings.

3.03 PROTECTION

1. Erect weatherproof closures for exterior openings. Maintain exit requirements.

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

02222-3

3.04 DEMOLITION

A. General: Demolish components indicated in Section 001000 and according to the drawings to accommodate improvements.

B. Perform cutting and demolition by methods which will prevent damage to other portions of work and provide proper surfaces to receive installation of repair and new work.

1. Removal of overhead gas furnaces, exhaust vents, capping of exhaust vents, and removal/capping of natural gas lines:

a. Cap the Type B exhaust vents from the removed overhead furnaces no more than 3” and no less than 1 ½” from finished ceiling. Refer to drawings as reference. Type B exhaust vent capping shall be as proposed on the drawings. Use REPA Market Round Vent Cover - Galvanized Steel - Indoor and Outdoor Pipe End Cap - Type B or approved equal. Changes to product type, overall clearance from ceiling, and methodology is permitted to be changed with the approval of the Contracting Officer.

b. Natural Gas black iron, black steel, and galvanized steel pipe:

1) Remove natural gas lines in entire warehouse building to designated termination locations. Locations to be terminated and capped are shown in drawings.

2) Termination locations shall be capped with proper fittings to assure tight seal and stabilized with strapping and/or stabilizing hardware.

2. Demolition existing air condition units.

a. Air conditioning unit located in the Main Warehouse Second Floor Loft:

1) Prior to demolition and disposal of refrigeration lines, refrigerant from existing air conditioning system shall be removed from entire system.

2) Remove air conditioning unit, wood platform, mounting brackets on ceiling, and any associated mechanical, electrical and plumbing equipment.

b. Air conditioning unit located in the IT Specialist Office:

1) Remove the wall mounted through-the-wall air conditioning unit and any associated mechanical and electrical equipment.

2) If applicable, clean CMU blocks so they are free from insulation foam and or caulking.

3) Prepare CMU blocking opening for repair by enclosing opening from air condition removal with the same type of block to match

02222-4 existing wall. Finish enclosed wall with paint to match existing wall both on the interior and exterior.

3. Existing Electric Baseboard Heaters:

a. Remove electrical baseboard heaters.

1) Cover exposed wires with electrical box and cover.

b. If applicable, remove any caulking on walls or flooring.

4. Remove and replace all red highlighted designated lighting fixtures bulbs within warehouse building with LED light fixtures and/or bulbs. See specification 016500 and drawings for further details.

3.05 UTILITY SERVICE AND MECHANICAL/ELECTRICAL SYSTEMS

A. Existing Services/Systems: Maintain services/systems indicated to remain and protect them against damage during selective demolition operations.

B. Service/System Requirements: Locate, identify, disconnect, and seal or cap off indicated utility services and mechanical/electrical systems serving areas to be selectively demolished.

1. Arrange to shut off indicated utilities with utility companies.

2. If services/systems are required to be removed, relocated, or abandoned, before proceeding with selective demolition provide temporary services/systems that bypass area of selective demolition and that maintain continuity of services/systems to other parts of building.

3. Cut off pipe or conduit in walls or partitions to be removed. Cap, valve, or plug and seal remaining portion of pipe or conduit after bypassing.

3.06 DISPOSAL OF DEBRIS

A. Requirements: Items or debris not designated as salvage for the Government shall become the property of the Contractor. Remove and dispose of such materials in a legal manner off of Government lands. Sale of material onsite is not allowed unless authorized in writing by the Contracting Officer.

3.07 CLEANUP

A. Requirements: Remove demolished equipment and materials from the site as work progresses. Leave areas of work in a clean condition.

4. PART 4: PAYMENT

4.01 METHOD OF MEASUREMENT:

A. The work described in this section will be measured and paid for on a lump sum basis. The quantity shall include the demolition and disposal of all specified portions of the warehouse buildings, components, and equipment, completed

02222-5 and accepted, to include all materials, labor, equipment, fuel, fees, overhead, profit and all other items associated with the completing this work according to the contract provisions.

4.02 BASIS OF PAYMENT:

A. Payment will be full compensation for the work described in the section.

Payment will be made under:

002222(01) Minor Demolition Lump Sum

DIVISION 2 SECTION 002300

SITE CONSTRUCTION EARTHWORK

ROSEBURG DISTRICT OFFICE EARTHWORK

WAREHOUSE ENVIRONMENTAL IMPROVEMENTS 02300-1

PART 1 - GENERAL

1.01 SUMMARY

A. This Section includes the following:

1. Preparing subgrades for slabs-on-grade, walks, pavements, lawns, grasses and exterior plants.

2. Excavating and backfilling for buildings and structures.

3. Subbase and Crushed Aggregate (Crushed Rock) base course for concrete flatwork.

1.02 DEFINITIONS

A. Backfill: Soil material used to fill an excavation.

1. Initial Backfill: Backfill placed beside and over pipe in a trench, including haunches to support sides of pipe.

2. Final Backfill: Backfill placed over initial backfill to fill a trench.

B. Aggregate Base Course: Course placed between the subgrade and hot-mix asphalt paving.

C. Crushed Aggregate (Crushed Rock): Course placed between the subgrade and concrete flatwork.

D. Structural Fill: Material generally placed beneath structures and other flatwork where specified.

E. Bedding Course: Course placed over the excavated subgrade in a trench before laying pipe.

F. Borrow Soil: Satisfactory soil imported from off-site for use as fill or backfill.

G. Excavation: Removal of material encountered above subgrade elevations and to lines and dimensions indicated.

1. Authorized Additional Excavation: Excavation below subgrade elevations or beyond indicated lines and dimensions as directed by Contracting Officer’s Representative. Authorized additional excavation and replacement material will be paid for according to Contract provisions changes in the Work.

WAREHOUSE ENVIRONMENTAL IMPROVEMENTS 02300-2

2. Unauthorized Excavation: Excavation below subgrade elevations or beyond indicated lines and dimensions without direction by Contracting Officer’s Representative. Unauthorized excavation, as well as remedial work directed by Contracting Officer’s Representative, shall be without additional compensation.

H. Fill: Soil materials used to raise existing grades.

I. Structures: Buildings, footings, foundations, retaining walls, slabs, tanks, curbs, mechanical and electrical appurtenances, or other man-made stationary features constructed above or below the ground surface.

J. Subgrade: Surface or elevation remaining after completing excavation, or top surface of a fill or backfill immediately below subbase, crushed aggregate, or topsoil materials.

K. Utilities: On-site underground pipes, conduits, ducts, and cables, as well as underground services within buildings.

1.03 QUALITY ASSURANCE

A. Density testing will be the responsibility of the Contractor at the Contractor’s expense.

Contractor shall coordinate testing with an independent testing agency. Results shall be sent directly to the Contracting Officer. Contracting Officer has the authority to request testing at any time. The Contractor shall cooperate by rerouting equipment or by temporarily closing the work area being tested. Correct deficiencies before placing additional backfill. Deficient areas shall be retested and paid for by the Contractor.

1.04 PROJECT CONDITIONS

A. Existing Utilities: Do not interrupt utilities unless permitted in writing by Contracting Officer’s Representative and then only after arranging to provide temporary utility services according to requirements indicated.

B. Obtain all required permits and licenses before installing utilities under existing roads, other than BLM roads, and follow the rules and requirements of the Authority Having Jurisdiction.

C. Arrange construction sequences to provide the shortest practical time that the excavations will be open to avoid hazard to the governmental employees, and to minimize the possibility of excavation collapse.

1.05 CLASSIFICATION

A. All excavation will be considered unclassified regardless of the nature of material encountered.

WAREHOUSE ENVIRONMENTAL IMPROVEMENTS 02300-3

1.06 SUBMITTALS

A. Material Certification: Submit certification that all backfill material from off-site sources meet the requirements of this section.

PART 2 - PRODUCTS

2.01 SOIL MATERIALS

A. General: Provide borrow soil materials when sufficient satisfactory soil materials are not available from excavations.

B. Satisfactory Soils: AASHTO M 145 Soil Classification Groups A-1, A-2-4, A-2-5, and A-3, or a combination of these groups; free of rock or gravel larger than 2 ½ inches in any dimension, debris, waste, frozen materials, vegetation, and other deleterious matter.

C. Unsatisfactory Soils:

1. Existing on-site soils are unsatisfactory for fill material but may be used for topsoil.

2. Soil Classification Groups A-2-6, A-2-7, A-4, A-5, A-6, and A-7 according to AASHTO M 145, or a combination of these groups

3. Unsatisfactory soils also include satisfactory soils not maintained within 2 percent of optimum moisture content at time of compaction.

D. Aggregate Base Course: Naturally or artificially graded mixture of natural or crushed gravel, crushed stone, and natural or crushed sand; ASTM D 2940 meeting the following gradation requirements:

Sieve Designa-tion

Percentage by Weight Passing Square Mesh Size

1-1/2 inches 100 1 inch 95 to 100

1/2 inch 45 to 80 No. 4 25 to 60 No. 8 25 to 55

No. 200 0 to 12

E. Crushed Aggregate (Crushed Rock): Naturally or artificially graded mixture of natural or crushed gravel, crushed stone, and natural or crushed sand; ASTM D 2940 meeting the following gradation requirements:

WAREHOUSE ENVIRONMENTAL IMPROVEMENTS 02300-4

Percentage by Weight Passing Square Mesh Size

1-1/2 inches 100 No. 4 40 to 70 No. 10 25 to 55 No. 200 0 to 5

F. Structural Fill: Naturally or artificially graded mixture of natural or crushed gravel, crushed stone, and natural or crushed sand; ASTM D 2940 meeting the following gradation requirements:

Percentage by Weight Passing Square Mesh Size

2 ½ inch 100 No. 4 40 to 100

No. 200 10 to 20 Liquid Limit 25 (max) Plasticity Index 10 (max)

PART 3 - EXECUTION

3.01 PREPARATION

A. Provide required bracing, shoring, sheeting, pumping, and cofferdams.

B. Protect structures, utilities, sidewalks, pavements, and other facilities from damage caused by settlement, lateral movement, undermining, washout, and other hazards created by earthwork operations.

C. Preparation of subgrade for earthwork operations including removal of vegetation, topsoil, debris, obstructions, and deleterious materials from ground surface is specified in Section 02230 Site Clearing.

D. Protect and maintain erosion and sedimentation controls.

WAREHOUSE ENVIRONMENTAL IMPROVEMENTS 02300-5

3.02 EXCAVATION

A. Unclassified Excavation: Excavate to subgrade elevations regardless of the character of surface and subsurface conditions encountered. Unclassified excavated materials may include rock, soil materials, and obstructions. No changes in the Contract Sum or the Contract Time will be authorized for rock excavation or removal of obstructions.

3.03 EXCAVATION FOR STRUCTURES

A. Excavate to indicated elevations and dimensions within a tolerance of plus or minus 1 inch. If applicable, extend excavations a sufficient distance from structures for placing and removing concrete formwork, for installing services and other construction, and for inspections.

1. Excavations for Footings and Foundations: Do not disturb bottom of excavation.

Excavate by hand to final grade just before placing concrete reinforcement. Trim bottoms to required lines and grades to leave solid base to receive other work.

3.04 SUBGRADE INSPECTION

A. Reconstruct subgrades damaged by freezing temperatures, frost, rain, accumulated water, or construction activities, as directed by Contracting Officer’s Representative, without additional compensation.

3.05 UNAUTHORIZED EXCAVATION

A. Fill unauthorized excavation under foundations or wall footings by extending bottom elevation of concrete foundation or footing to excavation bottom, without altering top elevation. Lean concrete fill, with 28-day compressive strength of 2500 psi, may be used when approved by Contracting Officer’s Representative.

1. Fill unauthorized excavations under other construction or utility pipe as directed by Contracting Officer’s Representative.

3.06 STORAGE OF SOIL MATERIALS

A. Stockpile borrow soil materials and excavated satisfactory soil materials without intermixing. Place, grade, and shape stockpiles to drain surface water. Cover to prevent windblown dust.

1. Stockpile soil materials away from edge of excavations. Do not store within drip line of trees or roof.

WAREHOUSE ENVIRONMENTAL IMPROVEMENTS 02300-6

B. Do not place backfill against concrete until concrete has cured sufficiently to accept the load.

C. Place backfill maintaining symmetrical backfill loading. Compact each layer by hand tampers or other suitable equipment.

3.07 FILL

A. Plow, scarify, bench, or break up sloped surfaces steeper than 1 vertical to 4 horizontal so fill material will bond with existing material.

B. Place and compact fill material in layers to required elevations as follows:

1. Under grass and planted areas, use satisfactory soil material.

2. Under walks use min. 1 ft. structural fill.

3. Under building slab and 3 ft outside footprint use min. 2 ft. structural fill.

4. Under pad entry ways doweled to building use min. 2 ft. structural fill.

3.08 SOIL MOISTURE CONTROL

A. Uniformly moisten or aerate subgrade and each subsequent fill or backfill soil layer before compaction to within 2 percent of optimum moisture content.

1. Do not place backfill or fill soil material on surfaces that are muddy, frozen, or contain frost or ice.

2. Remove and replace, or scarify and air dry otherwise satisfactory soil material that exceeds optimum moisture content by 2 percent and is too wet to compact to specified dry unit weight.

3.09 COMPACTION

A. Place backfill and fill soil materials in layers not more than 8 inches in loose depth for material compacted by heavy compaction equipment, and not more than 4 inches in loose depth for material compacted by hand-operated tampers.

B. Place backfill and fill soil materials evenly on all sides of structures to required elevations, and uniformly along the full length of each structure.

C. Compact soil materials to not less than the following percentages of maximum dry unit weight according to ASTM D 698:

1. Structural Fill: compact each layer of fill material to 98 percent.

WAREHOUSE ENVIRONMENTAL IMPROVEMENTS 02300-7

2. Under structures, building slabs, steps, and pavements, scarify and recompact top 12 inches of existing subgrade and each layer of backfill or fill soil material to 95 percent.

3. Under walkways, scarify and recompact top 6 inches below subgrade and compact each layer of backfill or fill soil material to 95 percent.

4. Under lawn or unpaved areas, scarify and recompact top 6 inches below subgrade and compact each layer of backfill or fill soil material to 90 percent.

3.010 GRADING

A. General: Uniformly grade areas to a smooth surface, free of irregular surface changes.

Comply with compaction requirements and grade to cross sections, lines, and elevations indicated.

B. Site Grading: Slope grades to direct water away from buildings and to prevent ponding.

Finish subgrades to required elevations within the following tolerances:

1. Lawn or Unpaved Areas: Plus or minus 1 inch.

2. Walks: Plus or minus 1 inch.

3. Pavements: Plus or minus 1/2 inch.

3.011 SUBBASE AND BASE COURSES

A. Place subbase and base course on subgrades free of mud, frost, snow, or ice.

B. On prepared subgrade, place subbase and base course under pavements as follows:

1. Shape subbase and base course to required crown elevations and cross-slope grades.

2. Compact subbase and base course at optimum moisture content to required grades, lines, cross sections, and thickness to not less than 95 percent of maximum dry unit weight according to ASTM D 698.

3.012 FIELD QUALITY CONTROL

A. Testing Agency: Contractor will engage a qualified independent geotechnical engineering testing agency to perform field quality-control testing.

B. ASTM D698 shall be used to determine maximum density and ASTM D1556 or ASTM D2922 shall be used to determine in-place density.

C. Allow testing agency to inspect and test subgrades and each fill or backfill layer.

Proceed with subsequent earthwork only after test results for previously completed work comply with requirements.

WAREHOUSE ENVIRONMENTAL IMPROVEMENTS 02300-8

D. Minimum frequency of testing requirements for each compacted fill layer or lift:

1. Structural Fill: One test for every 1,000 square feet.

2. Fill: One test for every 10,000 square feet.

E. When…