Revised Section 02052_Demolition_003 as of 8 Jul 10.pdf

Recreation Site Improvements DIVISION 2 Section 02052-1

Buckhorn Campground

Angeles National Forest

SECTION 02052

DEMOLITION

PART 1 - GENERAL

1.01 Scope: Perform demolition work AS SHOWN ON THE DRAWINGS and as specified herein.

Work may be indicated by note or by non-inclusion in features shown to remain. The work consists of:

A. Demolishing existing wood restroom buildings and concrete vaults (if applicable) and AS

SHOWN ON THE DRAWINGS.

B. Decommission existing concrete vaults (if applicable) AS SHOWN ON THE DRAWINGS.

C. Removing existing concrete posts, wood barriers, wooden bulletin boards, fire rings, designated picnic tables, tree stumps and dense vegetation AS SHOWN ON THE

DRAWINGS.

D. Demolishing existing asphalt and grinding it for use as base material in areas requiring new asphalt pavement (at spurs).

E. Saw-cutting existing asphalt pavement at spurs to be enlarged.

F. Disposing of demolished and removed materials (except for asphalt).

G. Salvaging indicated items and materials for re-use by the government. Salvaging any other items or materials designated for disposal as the Contractor's right (subject to codes or regulations).

1.02 Project Conditions:

A. Perform all demolition work after enacting site protection measures of items to remain.

B. Dust Abatement: Sprinkle demolished materials/mulch to control dirt and dust. Prevent flooding and contaminated runoff.

C. Existing Utilities: The Contractor shall verify the location of utility lines. It may be necessary to relocate domestic water lines to complete the work.

D. Demolition Schedule: Provide a schedule indicating proposed demolition methods, operations, and sequence for review and acceptance before start of the work. Include termination or continuation of utility services required by project conditions.

E. Safety: Demolition work shall be performed in a manner to ensure the safety of persons.

Existing facilities designated to remain shall be protected against damage by settlement, falling debris, or other causes in connection with this work.

Recreation Site Improvements DIVISION 2 Section 02052-2

Angeles National Forest

F. Explosives: Use of explosives is not permitted.

G. All work shall be in accordance with codes, regulations, and safety orders, and subject to approval of the Contracting Officer.

1.03 Salvage: Fire rings and any other items or materials indicated in these specifications or on the drawings to be salvaged for reuse by the government shall be protected from damage. All other items and materials become the property of the Contractor for disposal as indicated, or for salvage at the Contractor's option.

PART 2 - PRODUCTS

2.01 Equipment: The Contractor shall select equipment of an appropriate size and type suitable for the space and other constraints of this contract as subject to approval by the Contracting Officer.

PART 3 - EXECUTION

3.01 Inspection: Prior to starting demolition work, the Contractor shall make an inspection with the

Contracting Officer to determine the physical condition of adjacent improvements scheduled to remain.

3.02 Demolition:

A. Remove existing restroom buildings, concrete vaults, concrete posts, wood barriers, and bulletin boards, and wheel stops.

B. Decommissioning of existing concrete vaults for toilets shall include the cleaning, sanitizing, the punching of holes to permit water to flow, backfilling of suitable fill, and cracking of existing concrete at the top of vaults. The contractor shall ensure that to top 1-ft sections of concrete vault are demolished and that a 1-ft (minimum) layer of compacted suitable fill be placed above the existing concrete vault.

C. Remove designated wood picnic tables and fire rings. Remove and dispose of existing tress stumps and dense vegetation (only in areas requiring rehabilitation) AS SHOWN ON THE

DRAWINGS.

D. Asphalt Paving: Saw-cut and remove indicated asphalt paving. Asphalt may be crushed and reused as sub-base fill with native or borrow material at 1:3 ratio upon approval of

Contracting Officer.

E. Existing Utilities:

1. Information on the drawings relating to existing utility lines and services is from the best sources presently available and is not guaranteed to be accurate. The Contractor shall verify actual locations.

Recreation Site Improvements DIVISION 2 Section 02052-3

Angeles National Forest

2. Perform work and provide necessary materials to disconnect or relocate existing utilities as necessary.

3. Underground utilities do not need to be removed except where encountered in other construction, such as trenching, excavation, and the like.

Pipelines shall be cut back or removed 1 foot outside of trench and shall be capped or plugged mechanically. If remaining line is to be alive, cap or plug shall provide a liquid seal against pressure(s) of system. Removed material shall be disposed of off

Government land.

3.03 Fire Rings and picnic tables: Remove fire rings and designated picnic tables specified for demolition. Stockpile at a designated location those items that are to be reused by the government.

3.04 Disposal: Remove all waste materials, rubbish, and debris. Accumulation is not permitted.

Clean-up, transport and dispose in accordance with applicable codes and regulations.

3.05 Salvage Items and Materials:

A. Items indicated for salvage and reuse, or to be turned over to the government, shall be removed with care and stored until reused or accepted by the Government. Such items shall be protected from physical or weather damage.

B. Any item or material not so indicated for salvage or reuse by the government shall be removed from the project site for disposal. Disposal or salvage of such items is the

Contractor's option, subject to codes or regulations.

END OF SECTION