SECTION GENERAL REQUIREMENTS

Transcription

1 SECTION GENERAL REQUIREMENTS PART 1 GENERAL 1.01 WORK COVERED BY CONTRACT DOCUMENTS A. Work of this Contract comprises the chiller and cooling tower replacement at Five Oaks Middle School which includes general construction, mechanical, plumbing, and electrical work CONTRACTOR USE OF PREMISES A. Work Sequence: Perform Work in manner required to accommodate the District s use of premises during the Contract Period. Coordinate Work schedules and operations with the District s use requirements. 1. Owner s Maintenance Staff will be in the building from 6 am until 4 pm, Contractor shall coordinate use of the premises so as to not interfere with the Owner s Use during that time. 2. Complete and exclusive use of the construction areas except as outlined above or noted in Special Conditions, will be permitted from Notice to Proceed until Substantial Completion. 3. During the Owner s occupancy there may be days (Down Days) during the Contract Period when occupied areas will be closed. Contractor shall request from the District a list of Down Days that may occur during the Contract Period. Contractor shall notify the District at least 48 hours in advance of Down Days during which time the Contractor intends to work. The District will pay for custodians time during such Down Days when the building is required to be open for the Contractor s use. B. Noninterference with School 1. Perform work upon or adjacent to existing Owner occupied structures, in such manner as to not interfere with continued free and comfortable use of structures. 2. During normal school hours, keep building exists safe, protected, restricted use from rest of construction site and clear of obstructions at all times. If closure of an exit is required by the Work, notify the Principal and allow ample time for an alternate plan to be executed. 3. Work shall not be performed in Owner occupied area and similar spaces during normal school hours when such spaces are required for school purposes. Such Work shall be performed after normal school hours up to 10:00 p.m. if no nighttime school activities are planned, or during weekends and vacations periods when school is normally closed. All Work required to be planned in spaces being utilized for school purposes must be closely scheduled with the District so that such spaces may be safely reused when classes resume. C. Noninterference With Serving Utilities 1. Do not interrupt electric, gas, water or other services to existing Owner occupied structures without prior notice to the District and then only at a definite time and for a definite duration approved by the District. 2. Contractor shall schedule demolition, remodel and new construction to accommodate Owner s continued use of existing and/or new mechanical, plumbing, and electrical services as required for Owner s continued occupancy and beneficial use of designated areas GENERAL REQUIREMENTS

2 3. Consult with public and private utility companies for location and extent of all utilities before commencing Work. 4. Provide all services required. Protect and maintain existing utilities, active electrical conductors, sewers, pipes, and other active lines on school property or in street excavations. 5. Arrange for and pay cost of disconnecting, removing, relocating, capping, replacing, or abandoning of public and private utilities in the way of construction operations in accordance with serving utilities, local regulations and governing codes. Utilities, pipes, sewers, electrical conductors and the like to be abandoned shall be capped in accordance with instruction of governing authority or as directed. D. Protections 1. Protect sidewalks, asphalt paving, concrete, shrubs and lawn areas at all times from spillage of materials used in carrying out the Work. Exercise care to preclude materials from clogging catch basins and yard drains. Leave all drainage items clean and in proper working condition. 2. Clean, repair, resurface or restore existing surfaces to their original condition, or completely replace such surface to match existing, where damaged by construction operations. 3. Whenever it is necessary to cut and remove fences and/or power lines (whether on private or public property), restore such demolished work to condition at least equal to that which existed prior to such demolition. 4. Damage to property adjacent to District s property shall be restored to the satisfaction of respective property owners TIME OF COMPLETION A. The Work of this Contract shall be commenced on the date of written notice to proceed and shall be completed by dates established in Section III, Statement of Work SAFETY REQUIREMENTS A. Associated General Contractors of America, Inc., Manual of Accident Prevention in Construction, Workmen s Compensation Board Safety Code for Construction Work, Oregon State Employment Act Safety Requirements, and Occupational Safety and Health Act (OSHA) requirements, as applicable, apply to Work specified herein ASBESTOS FREE CERTIFICATION A. Absolutely no materials containing asbestos are to be provided or installed as part of this Project. The Contractor shall ensure that no subcontractor or any of Contractor s own forces installs any materials containing asbestos. At final closeout of the Project, the Contractor shall provide to the School District certification that no materials containing asbestos have been installed in the Project and that the Project is asbestos free as required by the State of Oregon CONTRACTOR USE OF PREMISES A. Contractor will have access to site after issuance of written notice to proceed. B. Coordinate use of premises under direction of Owner CHANGE ORDERS GENERAL REQUIREMENTS

3 A. Submit name of the individual authorized to accept changes, and to be responsible for informing others in Contractor s employ of changes in the Work. B. Change Order Forms: Beaverton School District Change Order Form (replaces AIA G701) COORDINATION A. The Contractor is responsible for overall coordination of the Project. B. The Drawings and Specifications are arranged for convenience only and do not necessarily determine which trades perform the various portions of the Work. C. Coordinate sequence of the Work to accommodate Owner occupancy. D. Do all necessary Work to receive or join the Work of all trades. E. Verify location of existing utilities and protect from damage CUTTING AND PATCHING A. Provide cutting (including excavating), fitting and patching of the Work as required. B. Make its several parts fit properly together. C. Uncover Work to provide for installation of ill-timed Work. D. Remove and replace defective Work. E. Remove and replace Work not conforming to requirements of Contract Documents. F. Remove samples of installed Work as specified or where directed for testing. G. Install specified Work in existing construction. H. Uncover Work to provide for Engineers observation of Work covered prior to inspection or approval. I. Provide routine penetrations of non-structural surfaces for installation of piping, ducts, electrical conduit, and other mechanical and electrical items SUBMITTALS A. Submit schedule of all shop drawings, product data and samples specified in each individual section of the project manual. Coordinate construction schedule and installation dates of each product and assembly and allow ample time for the Engineer s review. Allow time for possible disapproval and resubmittal. B. Deliver submittals to the Engineer of Record, Scott Miller, P.E. of MFIA, Inc. Consulting Engineers located at 2007 SE Ash St., Portland, OR C. Transmit each item under Engineer s-accepted form. Identify Project, Contractor, Subcontractor, and major supplier; identify pertinent Drawing sheet and detail number, and Specification Section number, as appropriate. Identify deviations from Contract Documents. Provide space for Contractor and Engineer review stamps GENERAL REQUIREMENTS

4 D. Apply Contractor s stamp, signed or initialed certifying that review, verification of Products required, field dimensions, adjacent construction Work, and coordination of information, is in accordance with the requirements of the Work and Contract Documents. E. Coordinate submittal of related items with construction schedule for timely submittal to Engineer. F. After Engineer review of submittal, revise and resubmit as required, identifying changes made since previous submittal. G. Do not fabricate products or begin work which requires submittals until return of submittal with Engineer acceptance. H. Timing of Submittals: 1. Submittals Within 7 days of Notice of Award of Contract a. A designation of the Work to be performed by the Contractor by his own forces. b. List of Subcontractors and major materials suppliers for principal portions of the Work. 2. Submittals Prior to Notice to Proceed: a. Executed Agreement b. Performance and Labor & Material Payment bonds per Oregon Law (ORS , , ) with certified copy of Power of Attorney from Attorney-in-Fact executing bonds. c. Certified copies of Contractor s Liability Insurance Policies (AIA Doc.G705) 3. Submittals Within 30 days After Notice to Proceed and Prior to first Payment Application: a. Schedule of values. b. Schedule of submittals. c. Copies of acquired building permit licenses etc. to complete the work of this contract. d. Construction schedule. 4. Submittals Prior to each Month s Payment: a. Application and Certificate for Payment (AIA Document G702 and G703). b. Notarized affidavit of payments to all subcontractors and major material suppliers. c. Updated construction schedule. d. Public Works Contractor Wage Certification per Oregon Law. 5. Submittals Prior to Substantial Completion: Notification to Engineer that work of the Project is substantially complete, including a listing of items of work to be completed or corrected, together with certificate of occupancy or occupancy permit issued by the Local Building Department for the entire Project. I. Schedule of Values; Submit typed schedule on AIA Form G703; Contractor s standard form or media-driven printout will be considered on request QUALITY CONTROL A. Inspection and Testing Laboratory Services: Owner will employ and pay for services of an Independent Testing Laboratory to perform inspections, test and other services required by individual Specification Sections. 1. Services will be performed in accordance with requirements of governing authorities and with specified standards GENERAL REQUIREMENTS

5 2. Contractor shall cooperate with Testing Laboratory personnel; furnish tools, samples of materials, design mix, equipment, storage and assistance as requested. 3. Notify Engineer and Testing Laboratory 24 prior to expected time for operations requiring testing services. 4. Make arrangements with Testing Laboratory and pay for additional samples and test for Contractor s convenience. B. When tests or inspections indicate non-compliance with the Contract Documents, subsequent retesting occasioned by such non-compliance shall be performed by the same personnel as performed the initial test or inspections. Cost for retesting will be charged to the Contractor by deducting expenses from the contract sum CONSTRUCTION FACILITIES AND TEMPORARY CONTROLS A. Barriers: 1. Provide barriers to prevent unauthorized entry to construction areas while allowing for Owner s use of site, and to protect existing facilities and adjacent properties from damage from construction operations and demolition. 2. Protect non-owned vehicular traffic, stored materials, site and structures from damage. B. Pollution Control: 1. Provide dump box for collection of waste materials. 2. Disposal of volatile fluid wastes (such as mineral spirits, oil or paint thinner) in storm or sanitary sewer systems is prohibited. 3. Keep Site and surrounding areas clear of accumulation of waste material and rubbish resulting form operations under this Contract. Remove waste from Site immediately upon completion of Work. C. Exterior Enclosures: 1. Provide temporary weather-tight closure of exterior openings to accommodate acceptable working conditions and protection for Products, to allow for temporary heating and maintenance of required ambient temperatures identified in individual specification sections, and to prevent entry of unauthorized persons. 2. Provide access doors with self-closing hardware and locks. 3. Provide temporary roofing as required. After work is stated at each site, Contract is responsible for providing a watertight roof enclosure at the end of each day s work. D. Interior Enclosure: 1. Provide temporary partitions and ceilings as required to separate work areas from Owner occupied areas, to prevent penetration of dust and moisture into Owner occupied areas, and to prevent damage to existing materials and equipment. 2. Construction: Framing and reinforced polyethylene sheet materials with closed joints and sealed edges at intersections with existing surfaces in accordance with ASTM E90 (maximum Flame Spread Rating of 75) and in accordance with ASTM E84. E. Protect of Installed Work: 1. Protect Installed Work and provide special protection where specified in individual Specification Sections. 2. Provide temporary and removable protection for installed Products. Control activity in immediate work area to minimize damage GENERAL REQUIREMENTS

6 3. Do not remove temporary bracing, and shoring until adequate permanent connections or structural elements are in final position and positively anchored. 4. Provide protective coverings at walls, projects, jambs, sills, and soffits of openings. 5. Protect finished floors, stairs, and other surfaces from traffic, dirt, wear, damage, or movement of heavy objects, by protecting with durable sheet materials. 6. Prohibit traffic or storage upon waterproofed or roofed surfaces. If traffic or activity is necessary, obtain recommendations for protection from waterproofing or roofing material manufacturer. 7. Prohibit traffic from landscaped areas. F. Vegetation Damage Control: 1. Protect all existing trees to remain on site from foliage, trunk, and root damage. 2. Provide barricades and maintain same around all trees, shrubs, or other landscaped areas adjacent to work of this Contract to protect such areas from damage of any nature caused by construction operations. 3. Replace any plantings damaged or destroyed with plants of equivalent size, type and nature as approved by the Engineer. G. Security: 1. Provide security and facilities to protect Work, and Owner s operations from unauthorized entry, vandalism, or theft. 2. Provide temporary locks and doors at all openings after building is enclosed. 3. Coordinate with Owner s security program/ H. Field Offices and Sheds: 1. General: Furnish and install a field office building(s) adequate in size and accommodation for all Contractor s offices, job site meetings, Superintendent s office, supply room and tool room. 2. Locate office and sheds as directed MATERIAL AND EQUIPMENT A. Product Options: 1. Products Specified by Reference Standards or by Description Only: Any product meeting those standards or description. 2. Products Specified by Naming One or More Manufacturers with a Provision for Substitutions: Submit a request for substitution for any manufacturer not specifically named. 3. Products Specified by Naming Several Manufacturers: Products of named manufacturers meeting specifications: No options, no substitutions allowed. B. Limitations on Substitutions: 1. Submit requests for substitution of products to the Engineer prior to Bid opening date as outlined under AIA Document A701- Instructions to Bidders. Requests received after that time will not be considered. 2. Substitute products shall conform with all requirements of product specified including, but not limited to function, appearance, quality, performance, and fire and life safety and other code requirements. 3. Substitutions will not be considered when indicated on shop drawings or product data submittals without separate formal request, when requested directly by subcontractor or supplier, or when acceptance will require substantial revision of Contract Documents. 4. Substitute products shall not be ordered or installed without written acceptance CONTRACT CLOSEOUT GENERAL REQUIREMENTS

7 A. Prerequisites to Substantial Completion 1. Obtain and submit releases enabling Owner s full and unrestricted use of the work and access to services and utilities, including (where required) occupancy permits, operating certificates, and similar releases. 2. Complete final cleaning up requirements, including touch up of marred surfaces. 3. Upon receipt of Contractor s written request for substantial completion inspection, Engineer will either proceed with inspection or advise Contractor of prerequisites not fulfilled. 4. Following initial inspection, Engineer will either prepare certificate of substantial completion, or advise Contractor of work which must be performed prior to issuance of certificate; and repeat inspection when requested and assured that work has been substantially completed. 5. Results of completed inspection will form initial punch list for final acceptance. B. Prerequisites to Contract Closeout: 1. Letter referencing the Engineers last punch list by date, stating that all items listed have been completed and requesting a contract completion inspection. 2. Submit final payment request with final releases and supporting documentation not previously submitted and accepted. Include releases and waivers of liens from Contractors subcontractors and material suppliers, in form approved by the Owner. Include certificates of insurance for projects and completed operations where required. 3. Submit updated final statement, accounting for additional (final) changes to Contract sum. 4. Submit certified copy of Engineers final punch list of itemized work to be completed or corrected, stating that each item has been completed or otherwise resolved for acceptance, endorsed and dated by Engineer. 5. Submit consent of surety. 6. Revise and submit evident of final, continuing insurance coverage complying with insurance requirements. 7. Submit specific warranties, workmanship/ maintenance bonds, maintenance agreements, final certification and similar documents, all complete in final form C. Project Record Comments: Maintain on site, on set of Contract Documents; record actual revisions to the Work. D. Record Documents: Legibly mark each item to record actual construction including: 1. Measured horizontal and vertical locations of underground utilities and appurtenances referenced to permanent surface improvements. 2. Measured locations of internal utilities and accessible features of the Work. 3. Field changes of dimension and detail. 4. Details not on original Contract Drawings. E. Warranties: Provide notarized copies. END OF SECTION GENERAL REQUIREMENTS