35_Attach 2 Special Specs.docx

DOCX document 23 KB Posted Mar 8, 2010

Attached to: RECOVERY Toilet Site Demolition and Preparation
Solicitation number: AG-9702-S-10-0229
Issued by: Department of Agriculture Forest Service Washington Office Economic Recovery Operations Center Southwest

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Specs

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File	Type	Posted
38_SF-30 Mod 3.docx	DOCX document	Apr 5, 2010
38_SF-30 Mod 2.docx	DOCX document	Apr 5, 2010
38_SF-30 Mod 1.docx	DOCX document	Apr 5, 2010
38_SF-30 Mod 4 Q A.docx	DOCX document	Apr 5, 2010
38_SF-30 Mod 4 Q A.docx	DOCX document	Mar 30, 2010
38_SF-30 Mod 2.docx	DOCX document	Mar 16, 2010
35_Attach 1 site-maps.pdf	PDF	Mar 8, 2010
38_Solicitation.docx	DOCX document	Mar 8, 2010
35_Attach 3 fireplan.docx	DOCX document	Mar 8, 2010

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SECTION 01010

SUMMARY of work

PART 1 - GENERAL

summary Work for this project consists site prep work for the delivery and placement of CXT concrete toilet buildings. All site work will include excavationand placememt of base for the placement of toilet vaults. All site work will include protection of open pits prior to delivery of toilet buildings, and the backfill and finish grading after delivery. Some sites will require the removal and disposal of existing toilet buildings and their vaults.

The contractor shall coordinate excavation with the CXT Corporation, who will be delivering and placing the concrete toilet buildings in place. It is anticipated that periods of excavation will be separated from periods of backfilling and grading while awaiting delivery of the buildings. These deliveries are expected to take place in mid-June through July, but delivery schedules have not yet been determined.

Excavation of pits for new toilet installation may take place up to two weeks prior to expected delivery dates. Open pits shall be fenced to protect the public until toilet installation.

location Locations 1 through 5 are in the Medicine Lake vicinity at an elevation near 6800 feet. Locations 6 and 7 are on the Devil’s Garde near Canby, CA at an elevation near 5000 feet. Locations 8 and 9 are in the mid-Warner Mountain area at elevations of 6000 to 6800 feet. Locations 10 and 11 are in the south Warner Mountains at 6000 feet and 7200 feet , respectively.

Headquarters Campground – Remove one wooden toilet building and vault and site prep and finish grade for the delivery of one “Tioga Special” toilet building.

Medicine Campground - Remove one wooden toilet building and vault and site prep and finish grade for the delivery of one “Tioga Special” toilet building.

A.H. Hogue Campground - Remove one wooden toilet building and vault and site prep and finish grade for the delivery of one “Tioga Special” toilet building.

Schoncin Springs Campground - Site prep and finish grade for the delivery of one “Tioga Special” toilet building.

Blanche Lake Campground - site prep and finish grade for the delivery of one “Tioga Special w/chase” toilet building.

Howard’s Gulch Campground - Remove two wooden toilet buildings and vaults and site prep and finish grade for the delivery of two “Gunnison” toilet building.

Reservoir “F” Campground - Remove one wooden toilet building and vault and site prep and finish grade for the delivery of one “Tioga Special w/chase” toilet building.

Stough Reservoir Campground - Remove four wooden toilet buildings and vaults and site prep and finish grade for the delivery of one “Gunnison” and one “Tioga Special w/chase” toilet buildings.

Pepperdine Campground - Remove one wooden toilet building and vault and site prep and finish grade for the delivery of one “Tioga Special” toilet building.

Patterson Campground - Remove one wooden toilet building and vault and site prep and finish grade for the delivery of one “Tioga Special w/chase” and one “Gunnison” toilet buildings.

Blue Lake Campground - Site prep and finish grade for the delivery of one “Gunnison” toilet building.

BASIS OF PAYMEnt A. Payment will be made for actual quantities of items completed. Units will be “EACH”.

Removal of wood toilet building Earthwork for Gunnison building Earthwork for Tioga building

1.4 USE OF PREMISES

General: Contractor shall have full use of premises for construction operations, including use of Project site, during construction period. Contractor's use of premises is limited only by the Government's right to perform work or to retain other contractors on portions of Project.

Contractor shall at all times conduct his operations to ensure the least inconvenience to the public and employees. Road or partial campground closures will be permitted, when required, upon written approval of the Contracting Officer (CO).

Confine storage of materials to areas as approved by the CO.

Contractor shall provide adequate signing and barricades and take necessary safety measures to protect the public during all construction operations. Contractor shall minimize disturbance of all undisturbed areas.

Preservation of Natural Features: Confines all operations to work limits of the project. Prevent damage to natural surroundings. Restore damaged areas, repairing or replacing damaged trees and plants, at no additional expense to the Government.

Provide temporary barriers to protect existing trees and plants and root zones.

Do not remove, injure, or destroy trees or other plants without prior approval. Consult with CO and remove agreed-on roots and branches that interfere with construction.

Do not fasten ropes, cables, or guys to existing trees.

Carefully supervise excavating, grading, filling, and other construction operations near trees to prevent damage.

1.5 permits Special permits may be required by County, State, or Federal laws or regulations shall be obtained by the Contractor.

PART 2 - PRODUCTS (Not Used)

PART 3 - EXECUTION (Not Used)

END OF SECTION

SECTION 02220

DEMOLITION

PART 1 – GENERAL

1.1 SCOPE: The work covered by this section is to remove wooden toilet buildings and their concrete vaults from National Forest property. Disposal shall meet all State and local laws and regulations. The excavated pit, where not used for locating the new toilet building, shall be backfilled with clean, imported, common fill material.

PART 2 – PRODUCTS (Not used)

PART 3 – EXECUTION

3.1 DISINFECTION: Prior to removal of the building, the vault shall be pumped by a licensed septic tank pump operator, and the contents removed according to State and local laws and regulations. Two gallons of chlorine mixture (10:1 water to household bleach) shall be sprayed into the vault using a pressure sprayer. Care shall be taken to direct the spray to coat the walls of the vault with the mixture.

3.2 WOODEN BUILDING: The wooden portion of the building and all appurtenances shall be entirely removed from National Forest land. Salvage or disposal shall meet all state and local laws and regulations.

3.3 CONCRETE VAULT: The concrete vault and floor slab shall be completely excavated and removed entirely from National Forest land. Disposal shall meet all state and local laws and regulations.

4.4 BACKFILL: The resulting pit shall be completely filled in. Rocks may be used provided they are tamped in with the loading equipment and do not protrude above the finish grade. Borrow material may be taken from excavation associated with other sections of these specifications. Borrow may be taken in thin layers from the surface within 150 feet of the building as approved and staked by the COR. Finish grade shall crown six inches above the surrounding grade. All disturbed areas, both fill and borrow, shall be raked smooth.

SECTION 02315

EXCAVATION, BACKFILL AND GRADING

PART 1 – GENERAL

1.1 SCOPE: The work covered by this section is to prepare the site for the delivery of CXT concrete toilet buildings. Delivery and placement of the buildings will be handled by a separate contractor.

PART 2 – PRODUCTS

2.1	BASE ROCK: Base rock shall be a commercially available ¾” minus road base
2.2	SAND: Leveling course shall be a commercially available sand material passing a 3/8” sieve.
2.3	FENCING: Safety fencing shall be made from a high density polyethylene material, high visibility color, minimum 4 feet in height. Posts shall be standard steel T-bar fence posts with steel spade base.

PART 3 – EXECUTION

3.1	EXCAVATION
	A.	Location of the building will be as staked in the field by the COR. The model of building is designated on the tables included on the plan sheets. The building model will dictate the dimensions of the excavation as follows:
		1.	“Gunnison” model: depth 4’6”, width 6’6”, length 14’8”.
		2.	“Tioga” models: depth 4’6”, width 13’ 0”, length 11’11”.
	B.	Depths indicated are the over excavation required to accommodate base rock and sand leveling course. Depth shall be measured from the highest point on the rim of the pit. Widths indicated are the actual outside dimensions of the vaults to be installed. Additional clearance shall be provided to allow for maneuvering of the vault placement, operation of compaction equipment in the space between the vault and the pit wall, possible sloughing of excavated walls, and for any deviation in the squareness of the walls.
	C.	Material removed from the pit shall be placed to one side only and in a manner that allows a crane access to one side of the pit and the delivery truck access to another side. No stockpile will be allowed closer than 3 feet to pit.

D.	SAFETY FENCING
	1.	Each open pit shall be fenced for the protection of the public. The fencing shall be in place by the end of each day’s work until the delivery of the building. If placement of backfill has not filled the pit after installation of the building, fencing shall be erected by the end of the day’s work until backfill is brought up to surrounding grade.
	2.	Fencing shall be securely fastened to steel posts spaced at a maximum of 10 feet. Posts shall be driven to their full depth of the attached spade.
	3.	All fencing shall be removed by the completion of the project and shall remain the property of the Contrator.
3.2	BACKFILL
	A.	Any native material on the bottom of the pit disturbed by the excavation (such as voids left from removed rocks) shall be replaced and compacted by a minimum of three passes with a whacker type mechanical compactor (whacker). The entire base of the pit shall be further compacted by a minimum of three passes with a whacker.
	B.	Base rock shall be placed to achieve a depth of three inches after compaction by three passes with a whacker.
	C.	A sand leveling course shall be placed and raked smooth to a depth of one inch. Sand shall be added to one side, as staked by the COR, to provide ¼” per foot slope.
	D.	After placement of the vault(s) and building, backfill of the space between the vault(s) and the pit wall shall proceed in eight inch lifts. Each lift shall be compacted by two passes with a whacker. Backfill material shall be free of rocks larger than six inches.
3.3	GRADING
	A.	The remainder of the excavated stockpile shall be uniformly spread around the building. The height of the fill shall be at the level of the finished floor (except as noted in D below), and sloped away for drainage.
	B.	Unusable rocks shall be cast on the back side of the building.
	C.	The front of the building shall have a slope no steeper than 1:12, and shall be compacted by three passes with a whacker. The front of the building is defined as
1.	Gunnison: the five foot wide portion of the building between the privacy screen and the toilet room.
2.	Tiogas: the 17 foot wide portion of the building between the hinge side of each door.
	D.	The front of the building shall have a three inch lift of base rock extending ten feet from the edge of the concrete. The base rock shall be compacted by three passes with a whacker. The finished elevation of the base rock shall be one inch higher than the finished floor elevation. This will result in a compacted rock walkway with the following dimensions:
1.	Gunnison: 5 feet x 10 feet.
2.	Tiogas: 17 feet x 10 feet.
	E.	An excessive stockpile may, at the discretion of the COR, be disposed in thin layers within 150 feet of the building, as staked by the COR.
	F.	Final disposition of all stockpile and backfill not compacted shall be raked smooth.

END OF SECTION

Recreation Site Toilet Replacement

File details come from the government source that posted it. Updated Nov 14, 2017.