A06__-_140L1722Q0031-_Section_034150_1.docx

BLM CO State Office 03 41 50.00 - Precast Concrete Structures

GENERAL

SUMMARY:

Section Includes: Install one new precast concrete toilet structure, as shown on the drawings and specified herein.

Also included is removal and moving of an existing toilet structure.

RELATED SECTIONS:

PRODUCTS

MATERIALS:

Contractor Furnished Materials: The precast concrete toilet and vaults shall meet or exceed the following requirements:

Note: Due to the requirement of matching existing toilet structures within the North Sand Hills Recreation Area, the BLM is requesting a Tioga Special double vault as manufactured by CXT Concrete Buildings, Spokane Industrial Park, 3808 N. Sullivan Road, Bldg. #7, Spokane WA 99216. 509-921-8766. www.cxtinc.com. Prior approved equals may be considered, however, color, finish, fittings and exact matching to existing facilities is crucial.

General:

Single vault toilet building with a 60” turning radius within each toilet room Meet UFAS and A.D.A. accessibility standards Vaults shall have a 1,000 gallon capacity and a black ABS one piece liner with side wall embeds Steel reinforced, 5,000 psi concrete construction 4” thick reinforced precast concrete walls 5” thick reinforced precast concrete roof and floor Colored thru concrete with exterior stain and anti-graffiti sealer Primed and painted white interior Buildings furnished with toilet riser (ADA), 4 toilet paper holders, ADA handrails and vent pipe.

Coordinate with manufacturer to provide additional toilet paper holders.

Specialty Items:

Barnwood Wall Texture Cedar Shake Shingle Roof Texture Wall Color – Sand Beige Roof Color – Amber Rose Privacy Latch – ADA Handle Deadbolt Lock, Vendor supplied with Schlage cylinder #1152 Unisex Signage Accessible Signage Wall Vent, one per Room Optional Urinal is Not Required Bedding and Backfill Material: The bedding and backfill material shall be according to Section 02224 - Excavating, Backfilling and Compacting or Structures.

EXECUTION

RELOCATION:

Existing Toilet Building: Prior to removal, the Contractor shall be required to pump and wash down the existing vault. The Contractor shall remove the entire existing pre-cast CXT vault toilet and keep the structure intact in pieces to transport it to another site.

Contractor shall not leave hole open at removed vault toilet overnight Contractor shall mark hole opening and mark a barricade to prevent anyone from falling into the hole.

Backfill/Grading: The Contractor shall fill all voids created during the removal process. Grade and shape the area to blend into existing topography. Backfill shall be in accordance with Section 02224 – Excavating, Backfilling and Compacting for Structures Contractor shall transport, prepare, and install existing vault per this section and according to manufacturer’s recommendations.

INSTALLATION:

Excavation and Backfill: All excavation and backfill shall be in accordance with Section 02224 - Excavating, Backfilling and Compacting or Structures.

Staking: The Government will set grade stakes for the Contractor. The vaults will be staked so that there will be 0.1' of fall from the back to the front.

Installation: The Contractor shall use a crew certified by the manufacturer of the vault toilet. The Contractor shall set the toilet vault and building, in accordance with manufacturers specifications, at the designated site and as shown on the drawings.

Appurtenances: The Contractor shall install the appurtenances associated with the building, according to the drawings.

Rubber Gasket: The Contractor shall install the “rubber-nek” gasket on the top edge of the vaults, prior to placement of the building.

Toilet Riser - The Contractor shall install toilet risers. Silicone caulk shall be applied between the toilet riser flange and the concrete floor before the toilet riser is installed.

Vent Pipe: The Contractor shall install the vent pipes through the hole in the roof. The vent pipes shall be sealed around the top of the roof opening and at the vault connection with silicone caulk.

MEASUREMENT AND PAYMENT

METHOD OF MEASUREMENT:

Units: The new precast concrete toilet structure will be measured and paid for by each, installed and accepted. Demolition will be measured and paid for on a lump sum basis.

BASIS OF PAYMENT:

Payment: Prices and payment will be full compensation for the work described under this section. Payment will be made under: