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024119MSBA Accelerated Repair Program RK Finn/Ryan Road and Leeds Elementary Schools Northampton, Massachusetts 02 41 19 - 1 SECTION 02 41 19 SELECTIVE DEMOLITION PART 1 - GENERAL 1.01 General Conditions, Supplementary conditions and applicable part of Division 1 form a part of this Specification and the Contractor shall consult them in detail for instructions. 1.02 The Drawings on which this contract is based are listed in Section 00 86 00.1 and 00 86 00.2. Consult all Drawings, note all conditions that may affect the Work and care for same in executing the Contract. 1.03 The Contractor under this Section shall provide all materials, labor, equipment and appliances required to do all the selective demolition, removal and related Work necessary for the proper completion of the operations as required by the Contract Documents. A. The work of this section includes, but is not limited to, the following: 1. Complete controlled, selective demolition and removal from the site of all existing construction, materials and systems as need to properly complete the work of this Contract. 2. Careful removal and storage of items designated on the Drawings to be reused or re- installed. 3. Provision of the following temporary structures: a. To protect from damage, all adjacent structures, building finishes, and equipment not indicated to be demolished or removed. b. To support utilities which are currently supported by structures which are indicated to be demolished or removed. c. To protect from dust, noise, and weather infiltration, all portions of the building that will remain occupied. d. Coordination of Subcontractors demolition with the disconnecting, cutting, capping and rerouting of utilities. 1.04 Related Work by Others: A. Roofing demolition and disposal is to be performed by Section 07 53 23 - Roofing. 1.05 Related Section A. Section 04 01 20 Masonry Restoration and Repair B. Section 06 10 00 Rough Carpentry MSBA Accelerated Repair Program RK Finn/Ryan Road and Leeds Elementary Schools Northampton, Massachusetts 02 41 19 - 2 C. Section 07 53 23 Roofing ( Adhered EPDM) 1.06 Existing Conditions A. This Contractor shall accept the premises in their present condition. B. Prior to the commencement of any work under this Contract, this Contractor shall visit the site, examine the conditions there and thoroughly acquaint themselves with its obstacles and advantages for performing the Work. Contractor shall also study the Drawings explanatory of the Contract and compare same with the information gathered by the examination of the site, as no additional charge will be allowed for Work caused by unfamiliarity with the site and the Drawings. C. Occupancy: Areas to be demolished will be unoccupied prior to start of work, but portions of the building will remain occupied and in full operation. D. Condition of Structures: The Owner and Architect assume no responsibility nor make any claim as to the actual condition or structural adequacy of any existing construction to be demolished and the Contractor shall take all precautions to ensure safety of persons and property. E. Traffic: Do not close or obstruct traffic ways, corridors, streets, walks or other used facilities without the written permission of the Owner and authorities having jurisdiction. PART 2 - PRODUCTS 2.01 Materials and Products A. Other temporary structures for shoring shall conform to all state, local and federal codes, and regulations. PART 3 - EXECUTION 3.01 Demolition A. All work shall be done in accordance with the governing laws and building code, and all necessary permits required for the selective demolition work shall be procured by the Contractor. Provide unobstructed legal exits at all times. B. The selective demolition of all portions of the building to be removed shall be done with utmost care, using appropriate and safe tools and methods to assure that the building structures are not damaged. All possible care shall be taken to avoid overloading or damaging shock or vibration to portions of existing building which are to remain. All possible care shall be taken to prevent damage to existing materials and finishes which are to remain. C. Do not begin demolition work until all dust and protective barriers, and temporary shoring have been installed. D. Repair all damage done to elements of building to remain. Repairs shall be done in such manner as to closely match construction, appearance, and quality of original work. MSBA Accelerated Repair Program RK Finn/Ryan Road and Leeds Elementary Schools Northampton, Massachusetts 02 41 19 - 3 E. Items to be Reused: All existing items specified or designated on Drawings to be reused on the work shall be carefully removed in a manner to assure that least possible damage results. After removal, the items shall be stored in protected storage areas within the work areas of the building for alter distribution to the various trades responsible for the refurbishing and/or re-installation of same. F. Debris shall not be allowed to accumulate and shall be sprinkled during handling and loading to reduce dust. All debris shall be removed from the site daily. Debris shall be carried out in containers and not passed through, or thrown from, windows or other wall openings, in no case being permitted to drop free from windows, etc. G. Disposal: All materials removed under the selective demolition work and not called for on Drawings to be reused on the project or salvaged for Owner's use shall be disposed of legally, off-the-site, by the Contractor, who will, upon removal from the site, have the rights of salvage of the materials. 3.02 Temporary Barriers A. Protection: The Contractor shall be fully responsible for security of the work areas of the site and for protecting their and the Owner's materials stored or otherwise located on the site. B. The Contractor shall provide temporary barricading, overhead protection, etc., of substantial nature to protect workers, other personnel, and the public against various hazards and attendant nuisances that come about as the work progresses such as, but not necessarily limited to, falling materials, stored or stockpiled materials, etc. Comply fully with the governing laws and codes. Include substantial, well constructed, protective barriers at all work-limit lines separating Contract work areas from areas occupied by Owner. 3.03 Temporary Bracing, Shoring and Coverings, Etc. A. The Contractor shall provide temporary bracing and coverings to protect against collapse or damage to all structures, finishes, utilities, and equipment that are to remain in place in the work areas. 3.04 Sawcutting A. All sawcutting of masonry and concrete shall be accomplished by workers skilled in this Work with a minimum of five years experience. The name of the proposed Contractor and Work experience of the workers scheduled for the Work shall be submitted to the Architect for approval. 3.05 Noise, Dust and Pollution Control A. All work performed under this section shall conform to the requirements of Chapter III, Section 31C and Section 142D of the General Laws, Commonwealth of Massachusetts and Rules and Regulations adopted thereto by The Commonwealth of Massachusetts Department of Public Health, and the requirements of local noise, dust, and pollution control laws, ordinances, and regulative agencies applicable to the work. B. Provide flameproof dust-curtaining and block or filter mechanical return air systems in a safe manner between areas of the building to prevent passage of dirt and dust. Locations and quantities of barriers and dust curtaining shall at all times be subject to Owner's approval, but MSBA Accelerated Repair Program RK Finn/Ryan Road and Leeds Elementary Schools Northampton, Massachusetts 02 41 19 - 4 such approval, or lack of inspection or approval, by the Owner, shall not be construed as relieving the Contractor of any of responsibilities. 3.06 Cleaning A. Upon completion of demolition work, including the removal of all rubbish and debris, all exposed surfaces within the work area shall then be thoroughly cleaned. B. Items subject to water damage shall also be cleaned. When the surfaces are non-absorptive they shall be cleaned by wiping with clean, dampened cloths followed by immediate toweling with dry cloths. Specific stains shall be removed by use of dampened cloth with detergent, then thoroughly rinsed and dried. Where surfaces are absorptive they shall be cleaned by wiping with dry cloths and/or thorough vacuuming only. C. The intent of cleaning work is to provide surfaces which are to remain exposed in the finished work and surfaces which are to receive the work or finishes of other trades, cleaned free of all traces of dirt, grime, grease and other stains and defacements. END OF SECTION