Attachment_02_-_Specifications.docx
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Attachment 02 - Specifications
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| Attachment_01_-Schedule_of_Items.pdf | ||
| Attachment_05_-_Geotechnical_Report.pdf | ||
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Section C - Description/Specifications/Statement of Work
GENERAL SPECIFICATIONS
DUCHESNE BUNKHOUSE
Final- 4/3/2014
SCOPE OF CONTRACT
This project consists of designing, constructing, delivering, and installing a 10-person modular bunkhouse building; designing and constructing a permanent foundation for the modular building; installing and connecting utilities to the building; constructing covered access ramps; constructing concrete sidewalks; and completing final site grading. This project also consists of completing required earthwork and finish grading to construct a level pad for the building.
Optional work that may be awarded includes all work described above associated with:
Option A: Asphalt Bunkhouse Parking Lot.
Option B: Aggregate Bunkhouse Parking Lot.
Option C Access Road and RV Pads.
Option D: Irrigation System and Landscaping.
Option E Site Furnishings.
Quantities associated with these options are identified in the Schedule of Items.
PROJECT LOCATION
The project is located in Duchesne, Utah on the south east corner of 200 South and 400 West Streets on Forest Service owned property.
The site is directly north of a Forest Service occupied warehouse facility.
SITE INFORMATION AND LIMITATIONS
The following site conditions are considered incidental to the contract and the contractor will not be paid directly for any of the following items:
Construction sites will be closed to the public during construction. The Forest Service will issue a closure order to the public. The Contractor will be responsible for signing and limiting public access with fencing.
All construction equipment shall be pressure washed before entering National Forest System lands. The removal of mud and debris from treds, tracks and undercarriage, with emphasis on axles, frame, cross-members, motor mounts, and underneath steps, running boards, and front bumper/brushguard assemblies will be required. The purpose is to reduce or eliminate the transportation of noxious weeds, which is required by Federal and State regulations.
Utilities are not available at the site for construction purposes. The Contractor will be responsible for coordinating the installation of temporary power for the site and the cost for the service.
The Contractor shall provide temporary toilet facilities (porta-potty) at the site during all construction work.
TRAFFIC CONTROL AND CONSTRUCTION SIGNING
No work that endangers, interferes, or conflicts with traffic or access to work sites shall be performed until a plan for satisfactory warning and handling of traffic has been submitted by the contractor and approved by the COR and Utah Department of Transportation. Construction signing for traffic control shall conform to the Manual of Uniform Traffic Control Devices (MUTCD). All traffic control signs will be placed in areas adequate for a truck pulling a fifth wheel trailer to be turned around. Contractor shall not be paid directly for this item, rather it will be considered incidental to other items of work listed in the Schedule of Items.
WORK CAMPS, STAGING AND STORAGE AREAS
Areas for staging operations and storage of materials shall be approved by the CO. The Contractor must request in writing for approval from the CO to stage trailers (work) on site.
No overnight camping will be allowed on site.
INSPECTION OF WORKSITE
The contractor acknowledges they have taken the necessary steps to ascertain the nature and location of work, and have investigated and satisfied themselves as to the general and local conditions that can affect the work or its cost. Any failure of the contractor to take the actions described and acknowledged in this paragraph will not relieve the Contractor from the responsibility of estimating properly the difficulty and cost of successfully performing the work, or for proceeding to successfully perform the work without additional expenses to the government.
START DATE
Spring 2014
CONTRACT TIME
Base Bid: 180 Calendar Days Option #1: No additional Calendar Days
SPECIFICATIONS
The following specifications are attached. Some sections in the schedule of items refer to other sections not listed and are subsidiary to, or are included in payment for other pay items in this contract. These items are considered incidental and no additional compensation will be made.
Section 000050 - Modular Bunkhouse Unit Section 010250 - Construction Staking Section 011250 - Measurement And Payment With Asphalt Section 011900 - Mobilization Section 013300 - Submittal Procedures Section 014100 - Quality Control Section 023701 - Sediment And Erosion Control Measures Section 024100 - Waste Material Disposal Section 024102 - Removal And Disposal Of Structures And Obstructions Section 026340 - Concrete Sidewalks Section 033000 - Cast-In-Place Concrete Section 047200 - Cast Stone Masonry Section 055210 - Railings Section 064023 - Interior Architectural Woodwork Section 073110 - Asphalt Shingles Section 093000 - Tiling Section 096520 - Sheet Vinyl Floor Coverings Section 096813 - Carpeting Section 101400 - Signs Section 113100 - Residential Appliances Section 122113 - Horizontal Louver Blinds Section 129300 - Site Furnishings Section 136000 - Pre-Manufactured Shelter Section 211313 - Fire Sprinkler Systems Section 221100 - Water Distribution Systems Section 221102 - Curb Valves And Boxes Section 221105 - Water Hydrants Section 221300 - Sewer Systems Section 230593 - Testing, Adjusting, And Balancing For Hvac Section 231123 - Facility Natural-Gas Piping Section 260500 - Common Work Results For Electrical Section 260519 - Low-Voltage Electrical Power Conductors And Cables Section 260526 - Grounding And Bonding For Electrical Systems Section 260533 - Raceways And Boxes For Electrical Systems Section 260553 - Identification For Electrical Systems Section 260923 - Lighting Control Devices Section 262416 - Panelboards Section 262726 - Wiring Devices Section 311000 - Clearing And Grubbing Section 312000 - Earthwork Section 312010 - Select Borrow Section 312100 - Project Site Preparation And Grading Section 312225 - Excavation & Embankment Section 321200 - Hot-Mix Asphalt Paving Section 321204 - Crushed Aggregate Base Or Surface Course Section 322622 - Precast Concrete Curb Stops Section 322640 - Pavement Marking Section 323119 - Steel Post And Pole Fencing Section 328000 - Irrigation System Section 329206 - Seeding Section 329208 - Sodding Section 329212 - Concrete Edger And Concrete Landscape Curbing Section 329215 - Decorative Rock Mulch Section 329220 - Drainage Structure Section 329310 - Exterior Plants And Landscape Boulders
REVISION HISTORY:
| 2/2/2010 | D. Wewer: Added state options for departments of transportation. |
| 2/18/2014 | D. Wewer: Removed reference to “015000 Temporary Facilities” regarding temporary porta potties. This section does not exist in the R4 standards at this time. |
END OF SECTION C
April 2014
SECTION C - DESCRIPTION/SPECIFICATIONS/STATEMENT OF WORK 000001-1
USDA FOREST SERVICE, R-4
DUCHESNE BUNKHOUSE
SECTION 000050 - MODULAR BUNKHOUSE UNIT
1. GENERAL
SUMMARY
This item shall consist of the supply and installation of a 10-bedroom, minimum 3860-square foot modular bunkhouse installed at the Duchesne Warehouse site. The bunkhouse shall be constructed to an approved floor plan developed by the successful bidder in accordance with these specifications. It shall include a new permanent (i.e. concrete) building foundation, concrete pad porches, rough grading of the building pad, finished grading around building, an accessible ramp, handrails and guardrails, site grading, structural excavation and backfill, utility lines (water, sewer, gas lines, telecommunications and underground electrical) connected to lines from existing systems, and interior wiring, fixtures, and load center. The floor area shall be defined as the gross area within the exterior face of exterior wall lines. The unit shall be manufactured units moved onto the site and installed on a permanent concrete foundation constructed by an established builder experienced in this type of construction.
The building shall be designed, constructed, and installed in accordance with the Codes reference in paragraph 1.3, below.
MEASUREMENT AND PAYMENT
The quantity to be measured shall be "Lump Sum Quantity" (LSQ) as shown on the Schedule of Items for "Modular Bunkhouse Unit," completed, installed, accepted, and ready for use. Payment shall be at the contract unit price as shown on the Schedule of Items. The measurement for "Modular Bunkhouse Unit" shall include all work items within 5’ of the building perimeter, except for those specifically mentioned in other bid items, including utilities, other than natural gas (Specification 231123) to their connection points. The measurement will also include all required site work including finished grading, the side porch, ramp and roof, the front entry porch, ramp and roof, all other concrete landings. The line item will include all permiting fees, utility connection fees, and impact fees.
REFERENCE SPECIFICATIONS
The publications listed below form a part of this specification to the extent referenced. The publications are referred to in the text by the basic designation only.
2012 International Building Code 2012 International Plumbing Code 2012 International Mechanical Code 2012 International Fuel Gas Code 2009 International Energy Conservation Code 2014 National Electrical Code 2014 National Fire Protection Association Standards 13R and 13D.
2010 Americans with Disabilities Act/Architectural Barriers Act Guidelines (ADA/ABAG) (http://www.access-board.gov/adaag/html/adaag.htm)
RELATED WORK
The work shall be in accordance with the following subsidiary specifications. The subsidiary specifications are referred to in the text by the Section designation only.
Section 011250 – Measurement and Payment Section 013300 – Submittal Procedures Section 014100 – Quality Control Section 024100 – Waste Material Disposal Section 033000 - Cast-In-Place Concrete Section 047200 - Cast Stone Masonry Section 055210 - Railings Section 064023 - Interior Architectural Woodwork Section 073110 - Asphalt Shingles Section 093000 - Tiling Section 096520 - Sheet Vinyl Floor Coverings Section 096816 - Carpeting Section 113100 – Residential Appliances Section 122113 - Horizontal Louver Blinds Section 211313 – Fire Sprinkler Systems Section 230593 - Testing, Adjusting, and Balancing For HVAC Section 260500 - Common Work Results For Electrical Section 260519 - Low-Voltage Electrical Power Conductors and Cables Section 260526 - Grounding and Bonding for Electrical Systems Section 260533 - Raceway and Boxes for Electrical Systems Section 260553 - Identification for Electrical Systems Section 260923 – Lighting Control Devices Section 262416 – Panelboards Section 262726 - Wiring Devices Section 311000 – Clearing and Grubbing:
Section 312000 - Earthwork Section 321204 - Crushed Aggregate Base or Surface Course-
PRODUCTS AND EXECUTION
GENERAL - The bunkhouse unit shall be configured in accordance with the following specifications:
The general rooms and arrangement shall be determined from submitted drawings in consultation with the Contracting Officer (See Para 2.1.B & 2.1.C below). Overall square footage of the building shall be a minimum 3,860 square feet. Contractor shall provide a building that will fit within the allowed area for the building, as shown on the site plan supplied by the Government. Main entrance of the building shall be oriented towards the adjacent access roads as shown on the site plan. Contractor shall also coordinate the location of utility line connections for the building with the location of the existing utilities shown on the utility site plan. The bunkhouse shall be in full compliance with the 2012 International Building Code for R-3 occupancy, congregate living facility and will include installation of an NFPA 13R or 13D compliant fire sprinkler system. See paragraph 2.8 below for additional fire sprinkler system requirements.
The contractor shall submit a professionally prepared preliminary design (floor plan and elevations) to the Contracting Officer for approval within (2) weeks after the Notice to Proceed. Upon approval of the preliminary design by the Forest Service, the Contractor shall submit five (5) full sets of drawings as indicated below, and design calculations to the Contracting Officer for approval through the Region 4, Director of Engineering within (4) weeks after approval of the preliminary design.
The detailed drawings shall include:
Complete construction details and schedules for the building.
Foundation plan and details.
Framing plans and details for porches and covers for entries and ramps.
Plans and details for ramps.
Mechanical plans showing duct sizes, locations, designed air flows, locations of flow dampers, and proposed HVAC equipment.
Plumbing plans, showing all waste and vent piping, water piping and their sizes, location of water heaters, their make, model and specifications.
Fire sprinkler plan showing riser, layout and equipment.
One full set of reports demonstrating energy savings over minimum International Energy Conservation Code (IECC), 2009 Supplement Edition compliance and compliance with all required energy checklist items.
Cut sheets for appliances and equipment, demonstrating Energy Star compliance.
Electrical plans, showing all panel and lighting schedules, device locations, circuitry, makes, models, and specifications.
The drawings shall be stamped by an Engineer or Architect, licensed in the state the building will be installed.
Stamped structural calculations for the facility.
Color charts for siding choices and all material selections.
Upon final approval of the drawings by the Contracting Officer, the Contractor shall submit to the Contracting Officer 2 full sets of stamped, original, 24 inch by 36 inch (D-size) reproducible drawings, and an electronic copy on CD (in DXF or DWG file format) along with 4 sets of the final working drawings on 22-lb bond.
This building shall be designed to exceed the International Energy Conservation Code (IECC), 2009 for multi-family residential construction. The Government is required to save an additional 30 percent energy use over International Energy Conservation Code (IECC), 2009 Supplement Edition as is cost effective. Compliance shall be demonstrated by providing detailed reports from software such as ComCheck (current version) or other similar energy modeling software. All energy related requirements identified throughout this specification are intended to be mandatory. The following required report shall show the energy performance meeting International Energy Conservation Code (IECC), 2009 Supplement Edition and the energy performance, as designed, to save an additional cost effective percent above code requirements that has been met. Required report(s) shall include the equivalent of the following:
Building envelope, including construction assembly (i.e. walls, ceiling/roof assemblies, floor assemblies, foundations), and windows and doors.) The Compliance Certificate as generated by Comcheck (or equal) meets this requirement.
Address mandatory compliance requirements of the IECC for envelope and systems noted in the checklists for Comcheck or an equal program.
Unless noted otherwise below, all appliances, fixtures, and component parts or details not specifically covered by these specifications shall be those which are considered standard or better quality for commercial home building use, be Energy Star Rated, as approved by the Contracting Officer.
Bunkhouse shall be designed with the following spaces:
Ten each, minimum 100-square foot, bedrooms (including minimum of one 8-square foot closet in each bedroom). One bedroom shall be fully ADA/ABAG compliant (accessible). Closets shall be configured to contain five adjustable, 24 inch wide shelves on one side of closet below one full closet width shelf at standard closet shelf height and one 24 inch wide clothes rod. Clothes rod and an additional 24 inch shelf shall be adjustable to one additional position for the accessible bedroom.
One accessible toilet and shower room with the following components: floor mounted toilet, wall hung lavatory and faucet, mirror unit, anti-scald drain guard, soap dispenser unit, coat hook, paper towel dispenser, toilet paper dispenser, accessible shower unit with integral seat, grab bars and soap dish.
Two each/ multiple user toilet and shower rooms, each with the following components: Three floor mounted tank toilets, metal enamel toilet partitions, dual toilet paper dispensers, coat hooks, toilet seat dispensers, mirror unit(s), soap dispensers, wood framed, laminate covered countertop with top mounted lavatories, accessible faucets, 3 each, prefabricated 36” x 36” shower units, with soap dishes, mixing valve and shower head, cubicle framing and finishing, solid surface changing seats, stainless steel curtain rods and anti-microbial plastic shower curtains at the dressing room entrance and the entrance to the shower units..
One common use accessible toilet room with the following components: One floor mounted toilet, 36”, 42” and 18”stainless steel, wall mounted grab bars, toilet paper dispenser, toilet seat cover holder, wood framed, laminate covered countertop with top mounted lavatory and faucet, soap dispenser and anti-scald lavatory drain guard.
A common kitchen of approximately 250/SF to accommodate 2-range/ovens, 2-sinks, 2 range hoods, 2 full refrigerators (without freezer), 2-dishwashers, and 48-linear feet of 24-inch deep countertops including 2-double sinks, an on-demand water heater, and a 11-foot island with a 11-foot eating counter (30-inches above finished floor) located on the dining room side of island. Provide 28 feet of 12” deep upper cabinets. Provide 2 countertop microwave units. See the appliance specifications.
Approximately 280/SF dining area. This space may be open and adjacent to the recreation/living area. Some of the upper and lower cabinets described above may be in this area. Provide continuous decorative chair rail around room to protect the wall.
A minimum 100-square foot pantry with a minimum of 14-linear feet of 14-inch deep shelving, 2 each-16/cubic foot capacity upright freezers and an ice machine with a water supply box.
A 70-square foot mud room located at front entry of building, with 7 each 12W” X 15” D X 72”H lockers with steel mesh doors (21-standard access lockers, 24” high).
Approximately 380/SF common use area. This space may be open and adjacent to the dining area. Provide continuous finished wood chair rail around room to protect the walls.
Approximately 115/SF laundry room with facilities including a minimum of 2-front control and front loading washing machines, 2-front control and front loading gas dryers, 1 service sink, and a minimum 4-foot wide x 2-foot deep clothes-folding, ADA/ABAG accessible countertop, an on-demand water heater may also be located in this room to accommodate hot water requirements. Floor drains are required in this room located near washing machine and demand water heater’s pressure and temperature valve drain line.
Mechanical room to accommodate furnaces and water heaters. Furnaces shall be located to minimize duct runs and be located to accommodate three zones in building. See mechanical requirements for additional information. Floor drains shall be installed to accommodate drain lines. Provide an area for housing the fire sprinkler support equipment for the building.
A common storage/janitor closet of 50-square feet with minimum 10-linear feet of 12-inch deep, shelving for linen and cleaning supplies, and space for storage of mops, brooms, vacuum cleaners, etc. Provide floor sink with faucet, hose connection for filling buckets.
Finish Schedule:
All exterior walls shall be 2 X 6 wood framed and with appropriate sheathing. All interior walls shall be 2 X 4 wood framed walls. See paragraph XX for insulation requirements All interior wall finishes shall be “light orange peel” textured, satin gloss or semi gloss painted 5/8 inch type-X gypsum board with 4” rubber coved base. Ceiling finish shall be light textured, painted, Type X gypsum board. Wall finishes in bathrooms and at showers shall be ceramic tile wainscoting over tile backer board with 5/8 inch water resistant type-X, painted gypsum board (green board) above the 4’ wainscot. IBC requirements for fire partitions and corridor fire resistance for R-3 occupancy are required.
Colors:
Exterior colors shall be as selected by the Contracting Officer’s Representative from the full line of products available for the materials specified and shall be mostly grey, greens and browns.
Interior colors shall be selected by the Contracting Officer’s Representative from the manufacturer’s full range. Color tones shall be mostly neutral.
All interior doors shall be flush, birch veneer, solid core, a minimum of 1 ¾” x 3’-0” x 6’-8” with hollow metal door frames. All interior hardware shall have levered, accessible handles. Interior doors to bedrooms shall have lever handled, uniquely keyed, entrance locksets. All interior locksets/deadbolts shall be master keyed to all exterior and other keyed door hardware. Doors to private bathrooms shall have lever handled bathroom type privacy locksets, also keyed to be opened with the Master key. Doors into multi use bathrooms shall be passage type. Closet doors shall have lever passage latch sets with padlock eyes installed 6 inches above latch sets.
All exterior doors shall be 1-3/4 inch thick x 3-feet wide x 6-feet 8-inches tall insulated hollow metal doors and frames with closers and with half or full lite. All exterior door hardware shall meet ADA requirements and have a satin chrome or satin stainless steel (US26D or US32D) finish. Exterior doors shall have lever handled entrance locksets and deadbolts. All keyed exterior entry locks shall be keyed alike and shall be provided with 20 standard keys and 2 Master keys.
Provide wall mounted 8-inch by 15-inch minimum, red photo luminescent exit signs centered above interior trim on every exterior door.
All veneered doors shall be finished with a light stain and minimum 2 coats of satin polyurethane varnish.
All cabinets shall be provided in compliance with Specifications Section 064023 Interior Architectural Woodwork.
Provide a minimum of 50-linear feet total of 2 feet wide base cabinets and countertops with 4-inch backsplashes and plastic laminate surfaces for the kitchen.
Provide 11 linear feet of 3 feet wide island cabinets and countertop, 30” high, with knee space for stools at the dining room with plastic laminate surfaces for the kitchen.
Provide a minimum of 29 linear feet of 12” deep upper cabinets with plastic laminate surfaces for the kitchen.
Provide 10 linear feet of 12” deep by 6’ high storage shelves with thermoset surfaces for the pantry.
Provide a minimum of 20 linear feet of 12” deep upper cabinets with plastic laminate surfaces for the laundry room.
Provide a minimum of 10 linear feet of 12” deep by 6’ high shelves with thermoset surfaces for the Janitor’s Room.
Provide a minimum of 15 linear feet of plastic laminate 2’ wide countertops with 4” backsplash for all bathrooms.
All required handrails, guardrails, and railing shall painted steel components railing per specifications Section 055210 Railings and as shown in the drawings. All railings and handrails shall be installed per 2010 ADA/ABAG requirements including proper termination at top and bottom of ramps. Please note 2010 ADA/ABAG paragraph 405.8 requires handrails on both sides of ramps with a rise of more than 6-inches.
Building elevation must be set to reduce the need for stairs and minimize runs of ramps. All exterior landings at doors and bottom of ramps shall be a minimum of 5-feet square. Top landings shall be installed to match finish floor elevation of bunkhouse unit with only slight slope from building to drain. (i.e., maximum elevation differential between landing and top of door threshold shall not exceed ½ inch.). Ramps shall be a minimum of 36-inches clear width and any intermediate landing with a change in direction from the ramp shall be a minimum of 42-inches wide. Ramp shall be constructed and equipped in accordance with 2010 ADA/ABAG and have a maximum slope of 1 in 12 with a maximum rise of 30-inches between landings. Ramp and landing areas shall be equipped with guardrails/handrails per paragraph “Q” above. All ramps shall be concrete with a non-slip finished surface, and shall be constructed to minimize their length by increasing fills at building and grading from building to meet ADA/ABAG requirements.
Exterior ramps and entries of unit shall be covered. Roof coverage shall include all landings and ramps. The roofing shall match the building roof in style, appearance, materials, and color and meet requirements of paragraph 2.2 A below.
BUNKHOUSE BUILDING – The following requirements shall apply:
Roofing shall be asphalt shingles, meeting requirements of specification Section 073110, with 6-feet wide ice dam membrane installed over roof sheathing at eaves and valleys, and 3-foot wide ice dam membrane at ridges and gables. Roof pitch shall be not less than 5 in 12, with all overhangs 24-inches minimum. Minimize roof penetrations and install them within 24-inches of the ridge of the roof and shall be painted to match roof color. Attic ventilation shall be installed on the roof gables and continuously in soffits. Fascias shall be steel and match roofing in color and material. Roof trusses must be an energy truss style to maximize energy efficiency.
Provide aluminum gutter and downspouts over all entrances.
Siding, rock wainscot, and trim material shall be as follows:
Siding shall be commercial grade cement/ wood composite lap siding with a 6-inch exposure, with a minimum 15 year factory applied finish, color as selected by the Contracting Officer. Siding shall not have continuous vertical joints at adjoining building modules. Gable end siding shall be commercial grade cement/ wood composite vertical siding, with a minimum 15 year factory applied finish, color selected by the Contracting Officer.
Trim shall be a minimum of 1 1/4-inch thick approximately 6-inches wide and be cement composite material matching siding. Trim shall be factory primed and receive a minimum of 2-finish coats of paint or have 15 year factory finish as described above.
Cultured stone wainscot shall be approximately 42-inch minimum height located on all elevations of the building. Provide products per Section 047200. Height of wainscot may be adjusted to match egress window sills at bedrooms. Cultured stone beveled water sill trim is required at top edge and sill edge of rock wainscot.
Except for the accessible restroom, the lavatories shall be mounted in a plastic laminate countertop and 4-inch high backsplash. Accessible lavatory shall be wall mounted. Toilets shall be elongated bowl, 1.2 gallon or less per flush type with pressure assist flushometer tank with tank lever located on accessible side of tank or push operators located centered on tank lid.
Finished floors shall be covered with commercial grade, sheet resilient floor covering in areas described in the finish schedule. Sheet flooring shall be per specification Section 096520 Resilient Floor Coverings. Provide 4” coved rubber wall base and accessible transition strips. Carpet tile without pad shall be installed as described in the finish schedule above. All carpeting shall be per specification Section 096816 Carpet. All carpet/resilient floor transition strips shall be ADA/ABAG compliant vinyl or rubber.
Shower surrounds shall be waterproof (acrylic, or fiberglass), a minimum of 36-inches square. Accessible shower shall be fully ADA/ABAG compliant, including a removable, fold-down shower seat, grab bars, and shower curtain. Floor drain shall be installed centered in front of access to accessible shower. Non-accessible showers shall be equipped with shower doors. All shower units shall be equipped with anti-scald type, lever-handled shower valves, soap dish, and shelf (integral or mounted type). All bathrooms and restroom shall have a ceramic tile wainscot to 48-inches above finished floor and ceramic mosaic floor tile. Wall tile edges shall have bullnose finished edges.
Ceramic tile shall be per Section 093000. Floor tile shall continue to tile coved bases and form a 4-inch high minimum base of floor tile. Transition threshold at tile/carpeting at doors shall be beveled marble and shall meet 2010 ADA/ABAG requirements at accessible bathroom. Submit color sheets for tile color selection by Contracting Officer.
The bunkhouse shall be insulated with the following minimum resistance rating:
Exterior Walls R-21 Interior Walls R-11 sound batts.
Ceilings/roof (energy truss required) R-49 R-30 for crawlspace floor.
| Foundation walls | R-15, full height of wall at interior. |
| Exposed water piping in crawlspace or attic | Minimum 3” pipe insulation. |
All windows shall be sliding style, fully weather-stripped, double-glazed, low-E, with a maximum U-Value of .35. Windows shall be rated highly for use in high wind areas. Windows shall be vinyl framed. Glazing in bathrooms shall be double-glazed obscure type.
Windows located in bedrooms shall be sized and located for egress requirements per 2012 IBC. Provide horizontal blinds for each window except bathroom windows per specifications Section 122113 Horizontal Louvered Blinds.
Exterior columns and beams shall be tubular steel and painted.
APPLIANCES - The following appliances shall be furnished and installed of one color, chosen by the COR. Refer to Section 113100 for appliance details. The color of all appliances in the kitchen should match and be black or stainless steel.
Two freestanding electric ranges/ovens, with temperature-controlled self-cleaning bake oven with glass oven door, and four burners. Matching, exterior vented, range hood shall be supplied for each range/oven. One range/oven shall be equipped with front controls for ADA requirements and may be a drop-in type unit. Ranges shall be located so they can be each used at the same time and shall have a minimum of 3 feet of countertop between if located adjacent to each other.
Two each high energy efficiency (Energy Star Rated), full size refrigerators without freezer unit (17.7-cubic foot minimum capacity).
Two 21 cubic foot capacity upright freezers. (Energy Star Rated).
Two dishwashers, large capacity, high energy efficiency (Energy Star Rated), simple accessible controls, water saver model.
Two clothes washers shall be large capacity, front loading, water saving washers, energy efficient (Energy Star Rated), and simple controls.
Two Natural gas fueled dryers shall have auto dry cycle (i.e. senses moisture content), minimum 7 cubic foot capacity. Controls for washers and dryers must be front mounted.
Two range hoods shall be fully vented to exterior, a minimum 220 CFM fan capacity, with light. Color shall match range/oven. See electrical requirements in paragraph 2.7 for required relocation of controls on one range hood.
One Ice machine, free standing, stainless steel, with 60 lbs. of ice storage capacity, Energy Star rated.
Microwaves: Provide 2 each 1.7 CU capacity residential type, countertop microwaves with turntable, 1000 Watts, stainless finish.
STRUCTURAL
The unit and all entrance covers shall be designed for a ground snow load of 43-pounds per square foot (PSF), and designed wind loads of 90 miles per hour (MPH), exposure C, and shall conform to the 2012 International Building Code and meet all seismic requirements of this code.
The modular building shall be set on a permanent, engineered concrete foundation wall system with concrete footings at 36 inches below grade, set into the ground to minimize ramps and stair access to the building. Foundation footings shall not be placed over disturbed soil. Design and construction of the bunkhouse foundation shall conform to the 2012 International Building Code, the Forest Service provided Geotechnical Report and meet all seismic requirements of this code.
Engineered, stamped drawings and calculations for the building foundation, required hold downs, required roof structures, ramps and ramp footings shall be submitted for approval by the Contracting Officer a minimum of two weeks prior to construction.
Foundation vents shall be the automatic type closing at approximately 40 degrees F and opening fully at approximately 70 degrees F. Locate foundation vents to meet IBC requirements and protect well openings from precipitation, irrigation, and roof shedding.
All concrete and concrete placement shall be in accordance with Section 033000.
The bunkhouse building modules shall not be placed on the building foundation until it is approved in writing by the Contracting Officer.
SITE WORK
All clearing, grubbing, excavation, backfilling, and finish grading shall comply with specifications Section 312000, Section 312100, and Section 321204 and the civil drawings provided with this project. Contractor shall rough grade building pad and dispose of material (by spread material) at the location shown on the site plan. Contractor shall provide all finish grading around building to provide a minimum 5 percent slope for 10 feet minimum away from all building walls unless indicated in the Civil Engineering plans and insure all drainage is taken to daylight at existing grades. Cut or fill slopes shall be constructed and maintain a maximum 3 to 1 slope and smoothly rounded at tops and bottoms of slopes to finish or existing grades.
Earthwork and foundation preparation shall match the requirements noted in the Geotechnical Report, dated 2/21/2014 by Todd Touchard PE.
See the Utility Site Plan for correct orientation of the building and locations of utilities. Contractor shall verify utility locations for building supplied. See Utility Site Plan for required site improvements including natural gas line to building and sidewalks. Sidewalks shall provide an accessible route from two accessible entrances to parking, including direct access (i.e. shortest distance possible) to the accessible parking space.
MECHANICAL:
Please see the Civil Engineering drawings for the configuration of the water supply lines for domestic service and the required fire protection system.
Both hot and cold water and water shall be supplied to each sink, lavatory, shower, and service sink and washing machine. Cold water lines and fixtures shall be supplied to each water heater, water closet and to three each freeze-proof-type hose bibs (front, side and rear) for the unit. The water system in the building shall be designed for easy winter shut-down of the building including drainage of all water piping. The Contractor shall provide a written plan in the required O&M manual, per paragraph 2.10A below, containing the building water system shut-down and startup procedures for the building. The water service line shall be connected to the proposed water system as shown on the Site Plan. It is requested that the contractor utilize alternative water piping materials that are freeze resistant such as PEX. Provide drain lines and venting required by code. Consolidate waste venting to minimize roof penetrations. Provide a backflow preventer for the wall service entry.
Heating/cooling units shall be sized and located for three zones (three systems) , using natural gas fueled, forced-air condensing type furnaces, with a heating efficiency between 92 and 96 percent, and with a minimum cooling coil/condensing unit efficiency (SEER) of 13. Furnace units shall include a concentric vent kit and external filter kit for each unit. Penetration of vent through roof shall be within 2-feet of the ridge line and vent shall be painted to match color of roofing. Condensing units shall be placed on concrete pads located to minimize noise to bedrooms and where snow shed from roof will not damage units or condensate lines. Heating unit shall be sized for a winter exterior minimum temperature of minus 15 degrees F with a maintained indoor temperature of 68 degrees F. The air conditioning system shall be sized for a maximum outdoor summer temperature of 95 degrees F with a maintained indoor temperature of 78 degrees F. Supply and return air registers shall be located in the ceiling. Once the modular units are fully assembled and HVAC systems are fully operational, a complete air balance with a full report shall be completed per Specification Section 230593 Testing, Adjusting and Balancing for HVAC.
The Three Zones shall be as follows:
Zone One: Rooms 01- 06.
Zone Two: Rooms 07-15 Zone Three: Rooms 16-23.
Water supply and Drain, Waste and Vent piping shall be designed and installed in conformance with the International Plumbing Code, and State and local codes, which ever is more stringent.
Kitchen shall have 2 stainless steel double sinks with lever style faucet controls with separate or integral sprayer. One sink shall have one bowl with a maximum 6-inch depth and installed in countertop to meet ADA/ABAG requirements. Other bowls should be 12” deep minimum.
Provide automatic, pilotless, natural gas, closed combustion type, instantaneous hot water heaters for the kitchen and laundry needs. Water heaters shall have a minimum capacity to supply appropriate GPM for appliances and sinks of 120 degree F water with a 50 degree F temperature rise.
Provide instantaneous or tank type water heaters to service lavatories, showers, and service sinks. Minimize hot water line runs. Locate water heaters in mechanical room, janitor room, or the laundry room.
Water heaters shall be sized to ensure adequate hot water when all showers served are in use. Water heater serving kitchen sinks and washing machine shall not serve bathrooms but may serve lavatory in required restroom.
If tank heaters are designed, provide Energy Star Rated, sealed combustion, tank type water heaters of a minimum 92% efficiency or a minimum of 0.7 Energy Factor.
All exhaust fans shall be sized for rooms where they are located per IBC and IMC requirements and shall be sound rated at a maximum of 3 sones. All fans shall be switched separately. Install exhaust fans in all bathrooms, restroom, and laundry room.
Install permanently hard-wired with battery backup, ionization or photo cell smoke detectors and carbon monoxide detectors. Locate detector(s) in locations to ensure they can be easily heard from all bedrooms.
Install 3 each carbon monoxide detectors. Locate detector(s) in locations to ensure they can be easily heard from all bedrooms.
ELECTRICAL
Local electrical service provider in Moon Lake Electric.
Electrical service(s) shall be underground service laterals from one or both power poles shown on the site plan.
The unit shall be provided with a complete and operable electric system, including service lateral conduit, load center, grounding, boxes, branch circuits, and all devices as called for in these specifications (pumps, HVAC, etc.).
Electrical layout shall be 2014 National Electrical Code residential style with 20-amp circuits minimum. Provided is electrical layout drawings that show minimum requirements.
The Contractor will be responsible for coordinating installation of electrical service and obtaining any and all electrical permits and paying service fees and other fees associated with the permits or obtaining service.
Range Hood One of the range hoods shall be connected for accessibility as follows:
Disconnect factory switches for light and fan, leaving the automatic fan (turns on during high heat) connected. Label "Controls on front of cabinet."
Install a dual switch on a single yoke to the front of the cabinet as shown in cabinet details.
Factory label or other acceptable means the switch cover so the top switch is labeled "light" and the bottom switch is labeled "fan".
Install the range hood light (high, not night light) on the top switch. The night light function will not be connected.
Install the range hood fan on high on the bottom switch. The low fan function will not be connected.
Install the range hood fan high ambient temperature function on an always hot line from the switch.
Telephone Contractor shall provide telephone line installation and provide a utility connection point near the building electrical service.
Contractor shall certify that all telephone wiring is functioning at all required jacks.
Coordinate telephone service through Strata, the local provider.
No long distance service, local calling only.
FIRE SPRINKLER SYSTEM
Fire sprinkler system shall be designed for a wet-pipe fire sprinkler system protected from winter freezing by filling system with antifreeze. The system design shall meet the requirements of 2007 NFPA 13R or 13D standards plus specifications Section 211313Fire Sprinkler System and the following requirements/design considerations:
All sprinkler heads shall be flush with ceiling surface.
The system must be designed to operate during the winter when water may be shut off for culinary and domestic use. The contractor shall design and install the fire sprinkler system. Site water supply lines are shown on the attached site plan. with a projected fire flow of 3,750 gallons per minute (GPM) with 20 psi residual and a static pressure of 52 psi. .
Piping system shall be installed concealed in walls or above ceilings. Piping may be installed exposed only in mechanical rooms or fire equipment room.
BATHROOMS AND MISCELLANEOUS
Bathroom accessories shall include the following:
Bathroom 06:
Dual-roll toilet paper dispenser, wall mounted soap dispenser (at lavatory), 1-coat hook (54-inches maximum above finished floor), 24” x 36” mirror, toilet seat dispenser, stainless paper towel dispenser for folded paper towels.
Laundry Room 07:
Provide stainless steel hanging rod adjacent to the dryers. One stainless steel paper towel dispenser.
Janitor Room 08:
Provide 36” long stainless steel mop and broom holder. One stainless paper towel holder.
ADA Bathroom 15:
Dual-roll toilet paper dispenser, wall mounted soap dispenser (at lavatory), 3-coat hooks (48-inches maximum above finished floor), 42”, 36” and 18” stainless steel grab bars (accessible bathroom), 24” x 36” mirror, toilet seat dispenser, stainless paper towel dispenser for folded paper towels.
Bathroom 16:
3 each dual-roll toilet paper dispensers, 2 each wall mounted soap dispensers (at lavatories), 6 each stainless steel coat hooks (54-inches maximum above finished floor), 72” x 36” mirror, 3 each toilet seat dispensers, stainless paper towel dispenser for folded paper towels, 6 each stainless steel shower rod, 6 each white anti-microbial shower curtains.
Bathroom 17:
3 each dual-roll toilet paper dispensers, 2 each wall mounted soap dispensers (at lavatory), 6 each stainless steel coat hooks (54-inches maximum above finished floor), 72” x 36” mirror, 3 each toilet seat dispensers, stainless paper towel dispenser for folded paper towels, 6 each stainless steel shower rod, 6 each white anti-microbial shower curtains.
Hallway 24:
3 each fully recessed fire sprinkler cabinets 9 ½” X 24” X 6” and 10 lb residential fire extinguishers.
OPERATIONS AND MAINTENANCE MANUAL
Provide a complete, bound operations and maintenance manual upon completion of project. Manual shall include manuals for all equipment installed, including operation, maintenance, and users guides, separated with labeled, tabbed dividers, by equipment. A maintenance chart shall be included listing all equipment and indicating maintenance required on a monthly, quarterly, semi-annual, and annual basis for each piece of equipment installed. O&M Manual shall have a cover sheet with the building name, date of project completion, and full name and address of the prime contractor and names and addresses for all sub-contractors/installers of equipment included in manual.
END OF SECTION 000050
FEBRUARY 2014
MODULAR BUNKHOUSE UNIT 000050-15
USDA FOREST SERVICE, R-4
DUCHESNE BUNKHOUSE
SECTION 010250 - CONSTRUCTION STAKING
1. GENERAL
SUMMARY
This work shall consist of the construction staking of roads, parking lots, parking spurs, family units, tent pads, paths, stairways, culverts, retaining walls, buildings, and utilities in accordance with the Drawings and Specifications. The work includes the furnishing of all labor, equipment, instruments, materials, transportation and other incidentals necessary to complete the construction staking in accordance with these specifications and acceptable engineering practice.
QUALITY CONTROL
Construction staking shall be accomplished under the direction of a Civil Engineer, Engineering Technician, or Land Surveyor closely associated and familiar with construction staking; periodic visits to the project site are required.
MEASUREMENT AND PAYMENT
Measurement shall be lump sum for surveying and staking the project through all phases of construction.
PRODUCTS
GOVERNMENT-FURNISHED SURVEY CONTROL SHEETS
The Government will provide the contractor with a set of survey control sheets showing horizontal and vertical control for site to be staked. The Government will provide the Contractor with layout information that will include:
Control Points - Northing, Easting, Existing Elevations.
Roads, Spurs, Parking Areas - Northing, Easting, and Finish Elevations for subgrade edge of roads, spurs, parking areas.
Concrete Sidewalks – Northing, Easting, and Finished Subgrade Elevations for sidewalk corners.
Buildings and Other Structures - Northing, Easting, and Finish Grade Elevations for corners of buildings, other structures.
Utility Lines - Northing and Easting for centerline of utilities (Water Line, Sewer Line, Electrical Lines). Invert elevations for the Water and Sewer Lines will also be provided.
Grading Points – Northing, Easting, and Finished Elevations for grading points throughout the project area.
STAKES
Identification stakes and hubs shall be of sufficient length and width to provide and solid set in the ground and to provide space for marking above ground when applicable. Other dimensions and materials may be used, such as steel reinforcing bars, wire flagging and markers, and metal pins, if approved in writing by the Contracting Officer (CO). The top 2 inches of all slope, guard, reference, clearing, and structure stakes shall be painted or marked with plastic flagging. Colors used on stakes or for flagging shall be as follows:
| Roads, parking lots, and parking spurs | -Orange | |
| Waterlines, utilities, and culverts | -Blue | |
| Family Units, group units, stairs, and paths | -Red | |
| Buildings, excavation and grading | -Yellow |
SURVEY NOTE PAPER AND BOOKS
Paper for survey notes shall be moisture-resistant paper. Notes shall be contained in books with covers that will protect the contents and retain the pages in numerical sequence during field use. Field notebooks or note paper shall be furnished by the contractor.
EXECUTION
GENERAL
The Contractor shall be required to provide all necessary staking and control for all phases of construction. The contractor shall use the data and information shown on the project drawings to establish the location of all facilities to be constructed under this contract. The Contractor may choose any method of establishing horizontal and vertical controls provided the following minimum precision and accuracy requirements are met.
Accuracy requirements:
Minimum position close; 1/1000 Vertical closure: 0.05 ft (vertical)/station (100 feet horizontal) Cross section and slope stake precision:
Allowable deviation of cross section line projection from a true perpendicular to tangents, a true bisector of angle points, or a true radius of curves: +/-3 degrees.
Cross section topography measurements shall be taken so that variations in ground form a straight line connecting the cross section points will not exceed: 1.0 ft.
Horizontal and vertical accuracy for slope stake, slope stake references, and clearing limits. In feet or percentage of horizontal distance measured form centerline or reference stake, whichever is greater. Slope reference stakes and slope stakes: 0.15 ft or 0.6%. Clearing limits: 1.0 ft.
ESTABLISHING AND REFERENCING IMPROVEMENT LOCATIONS
Access Roads, Parking Spurs, and Parking lots:
Slope stakes (cut and fill catch points), clearing limits, and slope stake references shall be established on both sides of the centerline at each station established. Slope stakes and slope stake references shall be located on a line at right angles to tangents and on radial lines or curves. Slope stake catch points shall be located by using the grading plans and/or profiles, typical road section templates, as shown on the drawings and the information provided with staking points.
Slope stakes shall be set at 50-foot intervals, at significant breaks in the ground profile, culvert locations, and widening transition points. Slope stakes shall be set at 25 foot intervals around curves having a radius less than 100 feet.
Slope stakes shall be established at the corners of family units. Slope stakes shall be written to reference the finish grade of the unit or pad being staked.
Paths, Trails, and Sidewalks Slope stakes (cut and fill catch points), clearing limits, and slope stake references shall be established on both sides of the centerline at each station established. Slope stakes and slope stake references shall be located on a line at right angles to tangents and on radial lines or curves. Slope stake catch points shall be located by using the grading plans and/or profiles, and typical path and trail section templates as shown on the drawings.
Slope stakes shall be set at 10-foot intervals, at significant breaks in the ground profile, culvert locations, and widening transition points.
Slope stakes and slope reference stakes shall be set at all culvert locations. A culvert reference stake and hub shall be set on the centerline of the culvert 10 feet from each end or beyond the clearing limit, which ever is greater. The following shall be recorded on these stakes:
The actual field measured length The vertical and horizontal distance from hubs to the invert at the ends of the culvert.
Waterline, Sewerline, & other Utilities Waterline, Sewerline, & other Utilities shall be…
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