J.2 Statement of Work Forest Wide Public Restroom Replacement.pdf

STATEMENT OF WORK

0401 GAOA 4DB Forest Wide Public Restroom Replacement

1. Scope of Work

• The Ashley National Forest is planning to replace the existing flush restroom at Antelope Flat Boat Ramp with a new precast flushing restroom.

2. Background

• Ashley National Forest applied and was awarded funds from the Great American Outdoor Act for the purpose of this project.

3. Contractor Requirements

• Contractor will fabricate, deliver, off-load and set/assemble the new pre-cast concrete restroom building.

• Provide a restroom that meets the specifications according to the attached Schedule of Items.

• Toilet building must be fully accessible and must meet the design standard for naturally ventilated, odor free buildings.

• Precast concrete building shall be delivered in a completed state with minimal fieldwork required to place and complete installation on the site. No painting except for touch-up may be complete at the site. No concrete work shall be allowed at the site as part of the building construction.

• Provide crane and crew to off-load and set the concrete restroom.

• Provide a crew to make sewer and water connections

• Provide Contracting Officer Representative with specifications on site prep work to be done by the Forest Service.

4. Government Furnished

• Provide gravel bed and fill material per contractor specifications.

• Demo and removal of old buildings being replaced.

• Provide site preparations to contractor specifications prior to delivery of cement restroom building.

• Finalize site landscaping after installation is completed.

5. Deliverables/Schedule

• Coordinate with Contracting Officer Representative (COR) to schedule delivery.

Concrete Multi-User Flush Restroom

DESIGN CRITERIA The flush building has been designed to individually meet the following criteria.

Men’s side has a sink, urinal, and one flushing toilet. Women’s side to include a sink, and two flushing toilets.

The design criteria are to ensure that the flush building not only will withstand the forces of nature listed below, but to provide protection from vandalism and other unforeseen hazards. Building’s structural and foundation design will be relevant to the region and properties associated with its final placement. Design will also meet all applicable accessibility and building code requirements. Buildings will also meet various structural loads such as below, but not limited to/or restricted by them.

A. Roof Snow Load

1. The flush building is designed to withstand a 250 PSF snow load.

B. Floor Load

1. The flush building is designed to withstand 400 PSF floor load.

C. Wind Load

1. The flush building will withstand the effects of 150 miles per hour (3-second gust) wind exposure C.

D. Earthquake

1. The flush building will withstand the effects of a seismic group 1 design category E earthquake.

E. Additional Design Standards

1. The flush building is designed to meet the accessibility requirements put forth by federal, state, and local statutes.

2. The flush building is an all concrete design with a minimum 3/12 roof pitch. The flush building shall have a minimum 4” wall, 4½” roof, and 5” floor thickness.

3. All wall to floor interior surface seams shall have a minimum 1” radius coving made of high strength grout. + Recycled Material + LED Lighting

MATERIALS

A. Concrete – General

1. The concrete mix design is designed to ACI 211.1 to produce concrete of good workability.

2. Concrete will contain a minimum of 675 pounds of cementitious material per yard. Cement is a low alkali type I/II or III conforming to ASTM C-150.

3. Coarse aggregates used in the concrete mix design will conform to ASTM C33 with the designated size of coarse aggregate #67.

4. Maximum water/cement ratio will not exceed .45.

5. Air-entraining admixtures will conform to ASTM C260. Water reducing admixtures will conform to ASTM C494, Type A.

6. If Self Compacting Concrete (SCC) is used, it must conform to ASTM C1611.

B. Concrete Reinforcement

1. All reinforcing steel will conform to ASTM A615. All welded wire fabric will conform to ASTM A185.

2. All reinforcement is new, free of dirt, oil, paint, grease, loose mill scale and loose or thick rust when placed.

3. Details not shown on drawings or specified are to ACI318.

4. Steel reinforcement is centered in the cross-sectional area of the walls and will have at least 1¼” of cover on the under surface of the floor.

5. The maximum allowable variation for center-center spacing of reinforcing steel is ½”.

6. Full lengths of reinforcing steel are used when possible. When splices are necessary on long runs, splices are alternated from opposite sides of the components for adjacent steel bars.

a. Lap bars under #4 a minimum of 12” bar diameters.

b. Lap bars larger than #4 a minimum of 24” bar diameters.

7. Reinforcing bars are bent cold. No bars partially embedded in concrete are field bent unless approved by the Forest Service.

C. Caulking, Grout, Adhesive and Sealer

1. Caulking service temperatures from -40ºF to +194ºF.

2. Interior and exterior joints are caulked with a paintable polyurethane sealant.

3. Grout is a non-shrink type and are painted to match the color of surrounding concrete as nearly as possible.

4. Cement base coating is formulated with a very fine aggregate system and is a built-in bonding agent.

D. Paint

1. All paints and materials will conform to all federal specifications or be similar “top-of-the line-components.”

2. Type of paints for toilets.

a. Inside concrete surfaces.

i. Interior floors will be a chemical resistant urethane. The color will be gray.

Ii. Interior walls and ceilings will be a modified acrylic, water repellent penetrating stain. The color will be white followed by a clear acrylic anti-graffiti sealer.

b. Metal surfaces both inside and out.

i. DTM ALKYD.

c. Exterior concrete surfaces.

i. Exterior slab will be clear sealer.

ii. Exterior walls (tan) and roof (dark brown) will be a water repellent penetrating stain followed by a clear acrylic anti-graffiti sealer.

E. Grab Bars

1. Grab bars will be 18-gauge, type 304 stainless steel with 1½” clearance. Grab bars will each be able to withstand 300-pound top loading.

F. Toilet Paper Dispenser

1. Dispenser will be constructed of ¼” thick, type 304 stainless steel. Dispenser will be capable of holding three (3) standard rolls of toilet paper. Toilet paper holder fastening system will be able to withstand 300-pound top loading.

G. Steel Doors

1. Doors will be flush panel type 1¾” thick, minimum 16-gauge galvanized steel, top painted with DTM ALKYD.

2. Door frames will be knockdown or welded type, single rabbet, minimum 16-gauge prime coated steel top painted with DTM ALKYD, width to suit wall thickness. Three (3) rubber door silencers will be provided on latch side of frame.

H. Door Hinges

1. Door hinges will be three (3) per door with dull chrome plating 4½” x 4½”, adjustable tension, and automatic closing for each door.

I. Lockset

1. Lockset will meet ANSI A156.2 Series 4000, Grade 1 cylindrical lockset for exterior door.

2. Lever handle both inside and out.

3. U.S. 26D finish.

J. Dead Bolt

1. Certified ANSI/BHMA A156.5-2001 Grade 1.

2. Heavy duty tamper resistant.

3. 2¾” backset.

4. U.S. 26D finish.

K. Doorstop

1. Doorstop will be a dome style stop meeting ANSI 156.16.

L. Double Coat Hook

1. Coat hook will be 304 stainless steel 16-gauge (1.5mm), formed construction with a satin finish and have ³̷₁₆” x ⅞” nail in anchor. Upper hook will extend at least 2½” from the wall. Lower hook will extend at least 1¼” from the wall.

M. Door Sweep

1. Door sweep will be provided at the bottom of door and will be an adjustable brush type.

N. Wall Vent

1. Wall vent will be crank operated allowing the unit to be opened or closed. Crank will be removable. Vent cover will be 14-gauge 304 stainless steel and anchored into the concrete wall with high strength anti-rust tap con fasteners. Vent to come with insect screen. Cover to be recessed a minimum ¾” on exterior walls with a 45-degree bevel. Interior to be flush mounted.

Wall vent will not protrude from the wall.

O. Signs

1. Signs to have raised pictograms, letters, and braille to meet ADA.

P. Windows

1. Window frames will be constructed from steel.

2. Window glazing will be ³₁̷₆” thick translucent pebble finished mar-resistant Lexan.

3. Windows to have ¾” recess with 45-degree bevel.

4. Window frames to have vandal resistant fasteners.

Q. Mirrors

1. Mirror to be 18” x 36” frameless 430 18-gauge stainless steel with #8 bright polish.

R. Stalls and Stall Doors

1. Stall doors to be solid HDPE in matching white color.

2. Stalls to be made of concrete matching interior wall finish.

S. Plumbing Flush Section/Room

1. All fixtures to meet ANSI A112.19.2.

2. Plumbing will be concealed in the service area.

3. Flush valve – Concealed closet flush-o-meter constructed of rough brass. Furnish valve with integral vacuum breaker and wall mounted push button. Valve will be of a water saver type.

Water closet with a flow of 1.6 gallons per flush. Urinal with a flow of .5 gallons per flush.

4. Hammer arrester – Installed on water line.

5. Hose bib – Available in the chase area.

6. Lavatory – Vitreous china with back splashguard, front overflow opening, equipped with brass trap and drainpipe without stopper. Sink will be 20” wide x 18” front to back x 5¾” deep with ADA trap cover.

7. Main shut-off valve and drain.

8. Toilet – Constructed of vitreous china, wall hung, with siphon jet action. Toilet will have a back spud for a concealed flush valve connection and will be mounted with the top of the seat 18” above the finished floor. Seat will be heavy duty solid plastic with an open front.

9. Urinals - constructed of vitreous china, wall hung with siphon jet action. Urinal will have a back spud for a concealed flush valve connection and will be mounted at proper height per code.

10. Trap primer distribution unit.

11. Waste and vent material – ABS or PVC plastic and will be plumbed to meet Uniform Building Codes.

12. Water material – Copper tubing Type L, hard drawn. A gate valve will be provided at the inlet end of the water line. All water lines will be of a size to provide proper flushing action based on a nominal water pressure of 40 psi.

13. Water valve – Self-closing water set with indexed push button.

T. Electrical

1. All components are UL listed.

2. Breaker panel – Sized to meet load requirements and mounted to meet electrical code.

3. Interior lighting – Vandal resistant fixtures with built-in occupancy sensor, energy efficient LED lights, and lifetime warranty.

4. Exterior lighting – Vandal resistant fixtures with built-in photoelectric switch, energy efficient LED lights.

5. Exhaust fans – All wet location motion activated with speed control in chase area to control

CFM.

6. Wiring – Conduit, surface mounted in the service area and concealed in the user compartments. All wire will be copper.

7. GFI outlets provided per code requirements.

MANUFACTURE

A. Finishing Concrete

1. All exterior building walls and exterior screen walls will be tan barn wood or other similar style of texture.

2. All exterior surfaces of the roof panels will be cast to simulate dark brown wood shake textures or equivalent. The underside of the overhang will have a smooth finish.

B. Cracks and Patching

1. Cracks in concrete components which are judged to affect the structural integrity of the building will be rejected.

2. Small holes, depressions, and air voids will be patched with a suitable material. The patch will match the finish and texture of the surrounding surface.

3. Patching will not be allowed on defective areas if the structural integrity of the building is affected.

FINISHING AND FABRICATION

A. Structural Joints

1. Wall components will be joined together with two (2) welded plate pairs at each joint. Each weld plate will be 6” long and located one (1) pair in the top quarter and one (1) pair in the bottom quarter of the seam. Weld plates will be anchored into the concrete panel and welded together with a continuous weld.

2. The inside seams will be a paintable caulk. The outside seams will use a caulk in a coordinating building color or clear.

3. Walls and roof will be joined with weld plates, 3" x 6" at each building corner.

4. The joint between the floor slab and walls will be joined with a grout mixture on the inside, a matching colored caulk on the outside and two (2) weld plates 6” long per wall.

B. Painting/Staining

1. An appropriate curing time will be allowed before paint is applied to concrete.

2. Schedule of finishes.

a. Inside concrete surfaces.

i. Inside floors will be one (1) coat of 1-part water based chemical resistant urethane

ii. Interior walls and ceilings will be two (2) coats of a modified acrylic, water repellent penetrating stain, followed by one (1) coat of clear sealer.

b. Metal surfaces both inside and out.

i. Two (2) coats of DTM ALKYD.

c. Exterior concrete surfaces.

i. Exterior walls will be two (2) coats of water repellent penetrating stain in the same color as the walls or roof followed by one (1) coat of clear acrylic anti-graffiti sealer.

Flush Schedule of Items.pdf