SOW-Specifications_Almanor CG ADA Toilet Replacements.docx

FC-Almanor CG ADA Toilet Replacements and Accessibility Additions

STATEMENT OF WORK

C.1 DESCRIPTION OF WORK

This contract is to remove seven existing vault toilet buildings: five double vault, one triple vault and one quadruple vault toilet buildings and replace them with eight new precast concrete double vault toilet buildings in the seasonally open Almanor Campground on the Lassen National Forest. Contractor shall construct Outdoor Accessible Routes (ORARs) to the new vault toilet buildings per “Forest Service Outdoor Recreation Accessibility Guidelines (FSORAG), 2013”. The use of native surfacing is specified for these Outdoor Accessible Routes to the new vault toilet buildings.

Vault Restroom Replacement

A. The project requires the furnishing of all labor, equipment, transportation, supplies, and materials to replace the five double vault restrooms, a single triple vault restroom and a single quadruple vault restroom with eight double vault restrooms located at the USFS Almanor Campground, Lassen National Forest.

The work consists of:

1. Removing and disposing of:

· Five (5) double vault restrooms approximately 171 interior square feet each in size.

· One (1) triple vault restroom approximately 231 interior square feet in size.

· One (1) quadruple vault restroom approximately 285 interior square feet in size.

a. This includes complete removal of the masonry/wooden structure, stools, and anything else that is above the concrete floor slab.

b. Any non-friable asbestos containing materials associated with the vent pipes or roofing shall be carefully removed and disposed of according to hazardous waste regulations.

c. Remove demolition waste materials from project site and legally dispose of them in an EPA-approved landfill.

d. Do not burn demolished materials.

e. The human waste in the vaults shall be pumped out prior to demolition. This shall be done by the Contractor.

2. Contractor may remove trees under 8 inches DBH for the installation of the new double vault restrooms. Any trees over that size would require prior Contracting Officer written approval.

3. Replacing the old restrooms with a new double vault restroom(s). Locations for the new restrooms shall be in the same location or nearly the same location as the old restrooms except for North Loop Vault Restroom #3. It is a quadruple vault restroom that will be replaced with two double vault restroom(s). These locations are shown on the project plans and shall be approved on-site by the Contracting Officer. Adjacent to each existing old restroom to be removed are grade boxes and piping associated with water service to the building. It was reported the intention was to install water service into each of the restrooms. The installation was stopped during construction and they remain. These grade boxes and associated piping shall be removed when the existing restrooms are demolished.

Vault Toilet Restroom Buildings - Each new vault toilet building shall have the following specifications:

· Designed to withstand a 350 pound per square foot snow load.

· Designed to withstand a 400 pound per square foot floor load.

· Will withstand the effects of 150 mile per hour (3-second gust) wind.

· Will withstand the effects of a seismic design category E earthquake.

· Two (2) single user waterless precast concrete restrooms.

· Two (2) toilet risers (ADA).

· ADA grab bars in each side of restroom.

· Two (2) toilet paper dispensers that holds three (3) standard rolls of toilet paper.

· Two (2) unisex restroom signs.

· Interiors to have “No Trash in Vault” sign.

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

· All signs inset a minimum of ¾” into wall with 45-degree bevel.

· All signs to be anchored into concrete with ¼” x ¾” concrete anchor nails.

· Board & Batt textured upper walls, with horizontal lap siding textured lower walls. Colors to be selected by the CO.

· Cedar shake textured roof. Color to be selected by the CO.

· Solar Light.

· ADA accessible.

· Vault building shall incorporate design aspects of Sweet-Smelling Technology (SST) as outlined by Briar Cook for the U.S. Forest Service.

Vault building shall be an all concrete design with a minimum 7/12 roof pitch.

· Vault building shall have a minimum 4” wall, 4½” roof, and 5” floor thickness.

· Roof and walls shall be fabricated with high strength precast concrete to meet all local building codes.

· Two (2) ABS lined concrete waste vaults (1,000 gallon each). Liner minimum thickness .100.

· The vaults shall have a bottom slope of 1” per foot from under the toilet riser out to the outside cleanout area.

· Two (2) waste clean out hatches, one per vault, 24” diameter (minimum) lightweight manhole cover, installed to the rear or side of the building.

· One (1) 12” diameter round pipe will be installed to vent each vault and the pipe shall be raised a minimum of 3’ above the highest point of the roof.

· Exterior doors into toilet rooms shall be key lockable on exterior and deadbolt lockable on interior.

· Offloaded and set up on site.

4. Excavating and placing the vault as per manufacturer’s recommendations.

5. Backfilling the hole left by the demolition of the old existing vault restroom.

a. Use the excavated material from the new vault.

b. Backfill Placement: Spread backfill materials over the full width of the cross section of the cavity to a maximum loose thickness of 150 mm (6 inches), and compact as specified in paragraph 5d before the next layer is spread. The Contractor may use any type of compaction equipment except rubbertired or smoothsteelwheel rollers to obtain the required degree of compaction. The inplace materials shall be free of lenses, pockets, streaks, or layers of materials differing substantially in texture or gradation from the surrounding materials.

c. Moisture Content: During placing and compacting of backfill, the optimum moisture content (4 percent to +2 percent) as determined by AASHTO T 217 or AASHTO T 239, unless otherwise approved, shall be maintained by wetting or drying, as required.

d. Compaction: Compact the backfill to a minimum density of 95 percent of the maximum dry density as determined by AASHTO T 99, Method C.

e. Finish grade shall match adjacent existing ground level.

6. Setting the new restroom structure on top of the new vaults.

7. Backfilling and compacting the soil material around the new vault restroom as per manufacturer’s recommendations.

a. Use the excavated material from the new vault if it meets the manufacturer’s standard requirements.

8. Finish grading around the vault restroom as per manufacturer’s recommendations.

B. A site visit is recommended due to the site location and access, please contact Contracting Officer Representative.

C. Location: This project is in Plumas County, California. The work site is at the USFS Almanor Campground, (40.2175 N, 121.1766 W) is 7.2 miles from Chester, CA. See the project plan set for more details.

D. Directions: From Susanville CA, travel down Hwy 36 for ~36.67 miles past the Almanor Ranger Station to the intersection with Hwy 89. Turn left onto Hwy. 89 for 5.5 miles to Almanor West Drive, Plumas Co. Route 310, left on to Almanor West Drive for 0.75 mile to the campground entrances. The County Road bisects the campground into the North Loop and the South Loop each of which have separate entrances onto the County Road.

PROJECT/SITE CONDITIONS

A. Site Conditions:

1. Site is remote and no utilities are available. Potable water and generators for electrical power shall be provided by the Contractor for their employees use.

2. Contractor may use the vault toilet building #6 located in the front of the campground or bring in their own portable toilets.

3. Contractor may camp at the campground during construction.

4. The Forest would prefer to start work after Labor Day when the campground is closed. Contractor may request in writing to work before Labor Day and if approved by the Contracting Officer the campground will be closed during construction activities.

5. Any damages caused by the Contractor shall be repaired or replaced by the Contractor.

B. Climatic Conditions and Construction Season:

1. Almanor Campground elevation is at 4,550 foot elevation.

2. Construction activities in these areas are typically seasonal May through October and is closed due to snow in late fall, winter, and early spring. The actual start date will be determined at the time of Contract Award and at the Pre-Work Conference.

C. Environmental Considerations:

1. Fuel or oil spills occurring in the soil during the work of this project shall be excavated to a depth of 12 inches beyond contaminated material and removed from the work site. Prescribed measures to prevent water pollution to nearby water resources shall be strictly observed.

2. The Contractor shall clean-up litter and discarded material each day during construction. All construction debris and trash shall be deposited into contractor’s trash receptacles while on the jobsite then removed from the jobsite and disposed of at an approved landfill.

3. Items or debris not designated as salvage for the Government shall become the property of the Contractor. Disposal of materials in a legal manner and payment of fees required is the Contractor's responsibility. Sale of material onsite is not allowed unless authorized in writing by the Contracting Officer. When hazardous materials are encountered during demolition operations, comply with applicable federal, state, and local regulations, laws, and ordinances concerning removal, handling, and protection against exposure or environmental pollution. Burning or burying of removed materials is not permitted on the work site.

D. Material Stockpile /Storage and Equipment Staging:

1. Adequate space exists at the project sites for parking vehicles, equipment, and stockpiling materials. Final locations will be field-approved by the CO.

2. Contractor shall operate and park vehicles and equipment within existing roadways and parking areas.

DELIVERY, STORAGE, AND HANDLING

A. Delivery: Protect products incorporated into the work from damage while in transit to the site. Products must be delivered in original unopened containers with manufacturer's name, brand designation, and contents legibly indicated.

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

C. Handling: Load and unload products protecting them from damage.

BUILDING DEMOLITION

GENERAL

SECTION REQUIREMENTS

Action Submittals:

Waste Management Plan: Submit plan within 10 days of date established for commencement of the Work.

Waste Management Plan: Develop a waste management plan consisting of waste identification and waste disposal plans. Indicate quantities by weight or volume, but use same units of measure throughout waste management plan.

The fittings for vent pipes and mastic in roofing of the vault toilets may have non-friable asbestos containing materials.

May have lead-based paint based on the age of the building.

Landfill and Incinerator Disposal Records: Manifests, weight tickets, receipts, and invoices.

PRODUCTS

PEFORMANCE REQUIREMENTS

Regulatory Requirements: Comply with EPA regulations and with hauling and disposal regulations of authorities having jurisdiction.

Standards: Comply with ANSI/ASSE A10.6 and NFPA 241.

EXECUTION

DEMOLITION

This includes complete removal of the masonry/wooden structure, stools, and anything else that is above the concrete floor slab.

Any non-friable asbestos shall be carefully removed and disposed of according to hazardous waste regulations.

Remove demolition waste materials from project site and legally dispose of them in an EPA-approved landfill. Do not burn demolished materials.

The concrete slab and vault wall debris may be abandoned in place inside the old vault as long as the top of the old vault walls and debris are at least 3 feet below existing grade.

The human waste in the vaults shall be pumped out by contactor. The restroom vaults are approximately 1000 gal each vault.

FIELD QUALITY CONTROL

Backfill and compact soil to fill hole left by demolition of vault toilet Backfill material: Use the excavated material from the new vaults.

Backfill Placement: Spread backfill materials over the full width of the cross section of the cavity to a maximum loose thickness of 150 mm (6 inches), and compact as specified in paragraph 5d before the next layer is spread. The Contractor may use any type of compaction equipment except rubber tired or smooth steel wheel rollers to obtain the required degree of compaction. The in- place materials shall be free of lenses, pockets, streaks, or layers of materials differing substantially in texture or gradation from the surrounding materials.

Moisture Content: During placing and compacting of backfill, the optimum moisture content (4 percent to +2 percent) as determined by AASHTO T 217 or AASHTO T 239, unless otherwise approved, shall be maintained by wetting or drying, as required.

Compaction: Compact the backfill to a minimum density of 95 percent of the maximum dry density as determined by AASHTO T 99, Method C