CITY OF IMPERIAL, CALIFORNIA WASTEWATER TREATMENT PLANT HEADWORKS UPGRADE PROJECT

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1 CITY OF IMPERIAL, CALIFORNIA WASTEWATER TREATMENT PLANT HEADWORKS UPGRADE PROJECT IMPERIAL, CALIFORNIA VOLUME 2A Technical Specifications AUGUST 2015

2 Section SECTION CONTRACT DOCUMENTS TABLE OF CONTENTS TECHNICAL SPECIFICATIONS # of Pages DIVISION 1 GENERAL REQUIREMENTS VOLUME 2A Summary of Work Project Management and Coordination Construction Progress Documentation Contractor Submittals Quality Requirements Abbreviations and Reference Standards Temporary Facilities and Controls Mobilization Protection of Existing Facilities Project Environmental Controls Product Requirements Equipment Testing and Plant Startup Construction Waste Management and Disposal Commissioning Closeout Procedures Operation and Maintenance Data Project Record Documents... 3 DIVISION 2 SITEWORK Temporary Bypass Pumping Systems Cutting and Patching Structure Demolition... 5 DIVISION 3 CONCRETE Structural Cast-In-Place Concrete Forming Concrete Accessories Concrete Reinforcing Cast-in-Place Concrete Concrete Finishing Concrete Curing... 4 DIVISION 4 MASONRY Masonry DIVISION 5 METALS Structural Steel Metal Fabrications Metal Stairs Pipe and Tube Railings Metal Gratings... 6

3 Section # of Pages DIVISION 6 WOOD, PLASTICS AND COMPOSITES Rough Carpentry Prefabricated Timber Roof Trusses... 2 DIVISION 7 THERMAL AND MOISTURE PROTECTION Formed Metal Roof & Wall Panels Sheet Metal Flashing and Trim Joint Sealants... 5 DIVISION 8 OPENINGS Hollow Metal Doors and Frames Door Hardware Glazing... 8 DIVISION 9 FINISHES Protective Coatings Architectural Paint Finishes... 5 DIVISION 10 SPECIALTIES Fire Extinguishers... 2 DIVISION 13 SPECIAL CONSTRUCTION Pre-Engineered Metal Building... 9 DIVISION 14 CONVEYANCE EQUIPMENT Shaftless Screw Conveyor DIVISION 15 OWNER FURNISHED EQUIPMENT Owner Furnished Equipment... 8

4 SECTION SUMMARY OF WORK PART 1 - GENERAL 1.1 SUMMARY A. Section Includes: 1. Project information. 2. Work covered by Contract Documents. 3. Phased construction. 4. Work under separate contracts. 5. Access to site. 6. Coordination with occupants. 7. Work restrictions. 8. Specification and drawing conventions. 9. Miscellaneous provisions. B. Related Requirements: 1. Section "Temporary Facilities and Controls" for limitations and procedures governing temporary use of Owner's facilities. 1.2 PROJECT INFORMATION A. Project Identification: City of Imperial, CA Wastewater Treatment Plant Headworks Upgrade 1. Project Location: Imperial, California B. Owner: City of Imperial, CA C. Engineers: WEBB Associates, Brian Knoll (951) Aqua Engineering, Justin Logan (801) Engineers have been engaged for this Project to provide architectural and engineering services. 1.3 WORK COVERED BY CONTRACT DOCUMENTS A. The following list has been furnished for the convenience of the Contractor and shall not be considered as representing all Work required in the Contract Documents. Contractor shall not take advantage of any errors or omissions in this listing and shall report any discrepancies or questionable items to the Engineer for clarification. The Work of Project is defined by the Contract Documents and consists of the following: SUMMARY OF WORK HEADWORKS UPGRADE PROJECT

5 1. The Mobilization of all equipment, labor, tools, and materials to and from the project site. 2. Site demolition and removal of fencing, existing equipment, and/or infrastructure as indicated in the Contract Documents. 3. Partial demolition of the existing headworks, as detailed in the drawings, including the removal and disposal of existing equipment as indicated. 4. Construction of all site improvements as indicated in the Contract Documents. 5. Construction of a new headworks area and installation of headworks screens and associated valves and piping. 6. Installation of one (1) pre-engineered metal building roof structure, installed over the headworks area, as indicated in the Contract Documents. 7. Construction of an Electrical Building as a part of the new headworks area, including installation of all HVAC and appliances. 8. Construction of a new portion of the existing splitter box. Installation of associated equipment, including gates, platforms, and walkways. 9. Construction of a new walkway on the existing aeration basin, as indicated in the Contract Documents. 10. Construction of the clarifier piping modification (pipe connection), as indicated in the Contract Documents. 11. Installation of a new pump skid for the pumping of non-potable water from the UV basin, as indicated in the Contract Documents. 12. Cleaning of the biolac basin and replacing the diffuser sleeves. 13. New gas service. 14. All other civil, yard piping, mechanical, and electrical work included in the Contract Documents. 15. Commissioning. 16. Training of plant personnel. List above is intended to provide an overview of the major project components and does not include all work described in Contract Documents. B. Type of Contract. 1. Project will be constructed under a single prime contract. SUMMARY OF WORK HEADWORKS UPGRADE PROJECT

6 1.4 CONSTRUCTION DOCUMENTS A. The successful Contractor will be given the following hard copies of construction documents: 1. Two (2) sets of 24 x 36 construction drawings. 2. Four (4) sets of 11 x 17 construction drawings. 3. Two (2) sets of the technical specifications. B. The successful Contractor will also be given two (2) electronic copies of the construction drawings and technical specifications. These will be provided on CD. 1.5 PHASED CONSTRUCTION A. The Work shall be conducted in accordance to an approved phasing/sequencing plan. 1. Work on the project shall commence simultaneously with the Notice to Proceed and be substantially complete and ready for occupancy One Hundred and Fifty (150) days after the Notice to Proceed. There will only be one phase of work for this project. The project will require continuous coordination between the facility staff and the contractor as the facility needs to be operational during the construction. B. Before commencing Work, the Contractor shall submit an updated copy of Contractor's construction schedule showing the sequence, commencement, and completion dates for all phases of the Work. C. Phases. 1. Includes all the work, as described in section 1.3.A, required to construct a new headworks in a complete and operational manner. Contractor may choose to construct portions of work in sequence or simultaneously in order to optimize the construction work. Contractor may also start up and test individual systems prior to completion of all work (See Operational Readiness Test and Functional Acceptance Test description in technical specification section Commissioning ). The project will be considered substantially complete only following the successful completion of the Reliability Acceptance Test- RAT, as described in technical specification section Commissioning. D. General Sequence of Events: 1. Headworks Effluent Splitting Structure The splitting structure on the west side of the existing headworks facility should be completed first during this project. The modified structure will allow for the bypass of the existing headworks while the work is being accomplished and will still provide flow splitting to the downstream structures. For this work to be completed, the following is required: a. The new portion of the splitting box should be constructed. Flow to existing ditches can be stopped for one (1) day in order to allow of the concrete cutting of the existing wall and installation of the new gate. b. The new piping to the existing lift station (to the Biolac process) shall be installed except for the connection point to the existing pipe. The connection to the lift station will be made and will not require taking the plant offline. c. The new piping from the new portion of the splitting box can be installed up to the connection point with the existing piping. SUMMARY OF WORK HEADWORKS UPGRADE PROJECT

7 d. The north gate in the splitting box can be raised and flow to the north oxidation ditch stopped for one day in order to allow the piping connections to be made for the lines to the manhole and north ditch. e. Once the new piping from the splitter box to the north oxidation ditch and lift station is completed, temporary piping and screening will be placed on the existing headworks bypass line. The temporary piping will be attached to the end of the current bypass line and will be ran into the existing headworks between the proposed new wall and the splitting structure. The channel will be blocked to prevent backflow and allow for the wall to be constructed and channel east of this location removed. Prior to the splitter box, an existing bar screen currently in the existing screen will be placed in the channel and utilized as temporary screen. f. The permanent bypass line can be installed and utilized as soon as possible, although blind flanges or other temporary piping may be required for its use. g. With the bypass installed, demolition and construction of the new headworks area may proceed. 2. Headworks Installation: a. The effluent splitting structure should be completed before the removal of the existing equipment is removed. b. Installation of the fine screens and the microscreen requires the completion of the utility water pump and associated piping. The headworks electrical building shall also be completed and natural gas run and connected to the appropriate equipment in the headworks area. 3. Utility Water Pump This work can proceed at any time. The electrical work associated with this work has to be completed in concurrently. 4. Biolac Walkway This work can proceed at any time and does not have any predecessors. 5. Clarifier bypass line This work can proceed at any time and does not have any predecessors. 6. Biolac Cleaning and Diffuser Sleeve Replacement This work can proceed at any time and does not have any predecessors. E. The Contractor s schedule shall include work phases and completion dates. 1.6 OWNER FURNISHED EQUIPMENT A. The Contractor shall be responsible to receive, offload, inspect, store, and install Owner Furnished Equipment. The Owner has purchased the following equipment: Two (2) Step Screens manufactured by Huber Technology, Model RPPS 1400Tx2 One (1) Microscreen Filter, manufactured by Salsnes B. See Specification Section for additional requirements and details associated with Owner Furnished Equipment. SUMMARY OF WORK HEADWORKS UPGRADE PROJECT

8 1.7 ACCESS TO SITE A. General: Contractor shall have full use of Project site, defined as the limits of construction, for construction operations during construction period. Contractor's use of Project site is limited only by Owner's right to perform work or to retain other contractors for work on the site or facilities. Owner will inform the Contractor of areas that are essential for facility operation which shall not be disturbed, blocked, or impacted by the construction efforts. B. Use of Site: Limit use of Project site to work in areas indicated. Do not disturb portions of Project site beyond areas in which the Work is indicated. 1. Driveways, Walkways, and Entrances: Keep driveways and entrances serving premises clear and available to Owner, Owner's employees, and emergency vehicles at all times. Do not use these areas for parking or storage of materials. a. Schedule deliveries to minimize use of driveways and entrances by construction operations. 1.8 COORDINATION WITH OCCUPANTS A. Full Owner Occupancy: Owner will occupy site and existing building(s) during entire construction period. Cooperate with Owner during construction operations to minimize conflicts and facilitate Owner usage. Perform the Work so as not to interfere with Owner's dayto-day operations. Maintain existing exits unless otherwise indicated. 1. Maintain access to existing walkways, corridors, and other adjacent occupied or used facilities. Do not close or obstruct walkways, corridors, or other occupied or used facilities without written permission from Owner and approval of authorities having jurisdiction. 2. Notify Owner not less than 72 hours in advance of activities that will affect Owner's operations. B. Partial Owner Occupancy: Owner will occupy the premises during entire construction period, with the exception of areas under construction. Cooperate with Owner during construction operations to minimize conflicts and facilitate Owner usage. Perform the Work so as not to interfere with Owner's operations. Maintain existing exits unless otherwise indicated. 1. Maintain access to existing walkways, corridors, and other adjacent occupied or used facilities. Do not close or obstruct walkways, corridors, or other occupied or used facilities without written permission from Owner and authorities having jurisdiction. 2. Provide not less than 72 hours' notice to Owner of activities that will affect Owner's operations. C. Owner Limited Occupancy of Completed Areas of Construction: Owner reserves the right to occupy and to place and install equipment in completed portions of the Work, prior to Substantial Completion of the Work, provided such occupancy does not interfere with completion of the Work. Such placement of equipment and limited occupancy shall not constitute acceptance of the total Work. 1. Engineer will prepare a Certificate of Substantial Completion for each specific portion of the Work to be occupied prior to Owner acceptance of the completed Work. SUMMARY OF WORK HEADWORKS UPGRADE PROJECT

9 2. Obtain a Certificate of Occupancy from authorities having jurisdiction before limited Owner occupancy. 3. Before limited Owner occupancy, mechanical and electrical systems shall be fully operational, and required tests and inspections shall be successfully completed. On occupancy, Owner will operate and maintain mechanical and electrical systems serving occupied portions of Work. 4. On occupancy, Owner will assume responsibility for maintenance and custodial service for occupied portions of Work. 1.9 WORK RESTRICTIONS A. Work Restrictions, General: Comply with restrictions on construction operations. 1. Comply with limitations on use of public streets and with other requirements of authorities having jurisdiction. B. On-Site Work Hours: Limit work at the Plant to normal business working hours of 7:00 a.m. to 4:00 p.m., Monday through Friday, unless otherwise indicated and/or agreed with the staff. C. Existing Utility Interruptions: Do not interrupt utilities serving facilities occupied by Owner or others unless permitted under the following conditions and then only after providing temporary utility services according to requirements indicated: 1. Notify Owner not less than two days in advance of proposed utility interruptions. D. Noise, Vibration, and Odors: Coordinate with Owner all operations that may result in high levels of noise and vibration, odors, or other disruption to Owner occupancy. 1. Notify Owner not less than two days in advance of proposed disruptive operations. E. Smoking requirements are to comply with California State law SPECIFICATION AND DRAWING CONVENTIONS A. Specification Content: The Specifications use certain conventions for the style of language and the intended meaning of certain terms, words, and phrases when used in particular situations. These conventions are as follows: 1. Imperative mood and streamlined language are generally used in the Specifications. The words "shall," "shall be," or "shall comply with," depending on the context, are implied where a colon (:) is used within a sentence or phrase. 2. Specification requirements are to be performed by Contractor unless specifically stated otherwise. B. General and Special Conditions: Requirements of General and Special conditions provided in Volume I of Contract Documents apply to the Work of all Sections in the Specifications. C. Drawing Coordination: Requirements for materials and products identified on Drawings are described in detail in the Specifications. One or more of the following are used on Drawings to identify materials and products: SUMMARY OF WORK HEADWORKS UPGRADE PROJECT

10 1. Terminology: Materials and products are identified by the typical generic terms used in the individual Specifications Sections. 2. Abbreviations: Materials and products are identified by abbreviations and scheduled on Drawings. 3. Keynoting: Materials and products are identified by reference keynotes referencing Specification Section numbers found in this Project Manual. END OF SECTION SUMMARY OF WORK HEADWORKS UPGRADE PROJECT

11 SECTION PROJECT MANAGEMENT AND COORDINATION PART 1 - GENERAL 1.1 SUMMARY A. Section includes administrative provisions for coordinating construction operations on Project including, but not limited to, the following: 1. Coordination drawings. 2. Requests for Information (RFIs). 3. Requests for Change (RFCs) 4. Project Web site. 5. Project meetings. 1.2 DEFINITIONS A. RFI: Request from Owner, Engineer, or Contractor seeking information required by or clarifications of the Contract Documents. B. RFC: Request from Contractor proposing a change to the contract requirements. 1.3 INFORMATIONAL SUBMITTALS A. Subcontract List: Prepare a written summary identifying individuals or firms proposed for each portion of the Work, including those who are to furnish products or equipment fabricated to a special design. Include the following information in tabular form: 1. Name, address, and telephone number of entity performing subcontract or supplying products. 2. Number and title of related Specification Section(s) covered by subcontract. 3. Drawing number and detail references, as appropriate, covered by subcontract. 1.4 GENERAL COORDINATION PROCEDURES A. Coordination: Coordinate construction operations included in different Sections of the Specifications to ensure efficient and orderly installation of each part of the Work. Coordinate construction operations, included in different Sections that depend on each other for proper installation, connection, and operation. 1. Schedule construction operations in sequence required to obtain the best results where installation of one part of the Work depends on installation of other components, before or after its own installation. 2. Coordinate installation of different components to ensure maximum performance and accessibility for required maintenance, service, and repair. 3. Make adequate provisions to accommodate items scheduled for later installation. PROJECT MANAGEMENT AND COORDINATION HEADWORKS UPGRADE PROJECT

12 B. Prepare memoranda for distribution to each party involved, outlining special procedures required for coordination. Include such items as required notices, reports, and list of attendees at meetings. 1. Prepare similar memoranda for Owner and separate contractors if coordination of their Work is required. C. Administrative Procedures: Coordinate scheduling and timing of required administrative procedures with other construction activities to avoid conflicts and to ensure orderly progress of the Work. Such administrative activities include, but are not limited to, the following: 1. Preparation of Contractor's construction schedule. 2. Preparation of the schedule of values. 3. Installation and removal of temporary facilities and controls. 4. Delivery and processing of submittals. 5. Progress meetings. 6. Preinstallation conferences. 7. Project closeout activities. 8. Startup and adjustment of systems. 1.5 COORDINATION DRAWINGS A. Coordination Drawings, General: Prepare coordination drawings according to requirements in individual Sections, where installation is not completely shown on Shop Drawings, where limited space availability necessitates coordination, or if coordination is required to facilitate integration of products and materials fabricated or installed by more than one entity. 1. Content: Project-specific information, drawn accurately to a scale large enough to indicate and resolve conflicts. Do not base coordination drawings on standard printed data. Include the following information, as applicable: a. Indicate functional and spatial relationships of components of architectural, structural, civil, mechanical, and electrical systems. b. Indicate dimensions shown on the Drawings. Specifically note dimensions that appear to be in conflict with submitted equipment and minimum clearance requirements. Provide alternate sketches to Engineer indicating proposed resolution of such conflicts. Minor dimension changes and difficult installations will not be considered changes to the Contract. B. Coordination Drawing Organization: Organize coordination drawings as follows: 1. Floor Plans and Reflected Ceiling Plans: Show architectural and structural elements, and mechanical, plumbing, fire-protection, fire-alarm, and electrical Work. Show locations of visible ceiling-mounted devices relative to acoustical ceiling grid. 2. Plenum Space: Indicate subframing for support of ceiling and wall systems, mechanical and electrical equipment, and related Work. Locate components within ceiling plenum to accommodate layout of light fixtures indicated on Drawings. 3. Mechanical Rooms: Provide coordination drawings for mechanical rooms showing plans and elevations of mechanical, plumbing, fire-protection, fire-alarm, and electrical equipment. PROJECT MANAGEMENT AND COORDINATION HEADWORKS UPGRADE PROJECT

13 4. Structural Penetrations: Indicate penetrations and openings required for all disciplines. 5. Slab Edge and Embedded Items: Indicate slab edge locations and sizes and locations of embedded items for metal fabrications, sleeves, anchor bolts, bearing plates, angles, door floor closers, slab depressions for floor finishes, curbs and housekeeping pads, and similar items. 6. Review: Engineer will review coordination drawings to confirm that the Work is being coordinated, but not for the details of the coordination, which are Contractor's responsibility. 1.6 REQUESTS FOR INFORMATION (RFIs) A. General: Immediately on discovery of the need for additional information or interpretation of the Contract Documents, Contractor shall prepare and submit an RFI in the form specified. A sample RFI form is included at the end of this Specification. 1. Engineer will return RFIs submitted to Engineer by other entities controlled by Contractor with no response. 2. Coordinate and submit RFIs in a prompt manner so as to avoid delays in Contractor's work or work of subcontractors. 3. Owner or Engineer will not review the Contractor s RFIs that are in fact Requests for Changes (RFCs), as determined by the Owner. In such cases, Contractor will be required to resubmit on the appropriate RFC form. B. Content of the RFI: Include a detailed, legible description of item needing information or interpretation and the following: 1. Project name. 2. Project number. 3. Date. 4. Name of Contractor. 5. Name of Engineer. 6. RFI number, numbered sequentially. 7. RFI subject. 8. Specification Section number and title and related paragraphs, as appropriate. 9. Drawing number and detail references, as appropriate. 10. Field dimensions and conditions, as appropriate. 11. Contractor's suggested resolution. If Contractor's solution(s) impacts the Contract Time or the Contract Sum, Contractor shall state impact in the RFI. 12. Contractor's signature. 13. Attachments: Include sketches, descriptions, measurements, photos, Product Data, Shop Drawings, coordination drawings, and other information necessary to fully describe items needing interpretation. C. RFI Forms: Software-generated form with substantially the same content as indicated above, acceptable to Engineer. D. Engineer's Action: Engineer will review each RFI, determine action required, and respond. Allow seven (7) working days for Engineer's response for each RFI. RFIs received by Engineer after 1:00 p.m. PST will be considered as received the following working day. PROJECT MANAGEMENT AND COORDINATION HEADWORKS UPGRADE PROJECT

14 1. The following RFIs will be returned without action: a. Requests for approval of submittals. b. Requests for approval of substitutions. c. Requests for coordination information already indicated in the Contract Documents. d. Requests for adjustments in the Contract Time or the Contract Sum. e. Requests for interpretation of Engineer's actions on submittals. f. Incomplete RFIs or inaccurately prepared RFIs. 2. Engineer's action may include a request for additional information, in which case Engineer's time for response will date from time of receipt of additional information. 3. Engineer's action on RFIs that may result in a change to the Contract Time or the Contract Sum may be eligible for Contractor to submit a Change Proposal. a. If Contractor believes the RFI response warrants change in the Contract Time or the Contract Sum, notify Engineer and Construction Manager in writing within 10 (10) days of receipt of the RFI response. E. RFI Log: Prepare, maintain, and submit a tabular log of RFIs organized by the RFI number. Submit log weekly. Software log with not less than the following: 1. Project name. 2. Name and address of Contractor. 3. Name and address of Engineer. 4. RFI number including RFIs that were dropped and not submitted. 5. RFI description. 6. Date the RFI was submitted. 7. Date Engineer's response was received. F. On receipt of Engineer's action, update the RFI log and immediately distribute the RFI response to affected parties. Review response and notify Engineer within seven (7) days if Contractor disagrees with response. 1. Identification of related Minor Change in the Work, Construction Change Directive, and Proposal Request, as appropriate. 2. Identification of related Field Order, Work Change Directive, and Proposal Request, as appropriate. 1.7 REQUEST FOR CHANGE (RFCs) A. Contractor shall submit a Request for Change when Contractor proposes a change in the Contract requirements. All change requests shall be submitted on the RFC form attached to this Specification. As shown therein, Contractor is required to fully describe the benefit(s) to the Owner, benefit(s) to the Contractor, the cost and/or schedule impact(s) associated with the requested change, along with whether or not Contractor proposes or requires a Contract Change Order for implementing the change. Except for as described in Section 1.6 herein, any Contractor RFC that is submitted on the RFI form will be returned without review. PROJECT MANAGEMENT AND COORDINATION HEADWORKS UPGRADE PROJECT

15 B. As noted on the RFC form, it is understood that certain RFCs can be responded to promptly, with minimal expenditures required by Owner. It is also understood that other RFCs require significant expenditures by Owner in order to properly evaluate and respond to Contractor s RFC. For those RFCs that fall in the latter category, Owner will provide an estimate (time and money) to Contractor as an initial response to RFC. Contractor may then elect to have Owner proceed with evaluating Contractor s RFC (with estimated value deducted from Contractor s Contract with the Owner), or elect to withdraw Contractor s RFC. 1.8 PROJECT MEETINGS A. General: Construction Manager will schedule and conduct meetings and conferences at Project site unless otherwise indicated. 1. Attendees: Inform participants and others involved, and individuals whose presence is required, of date and time of each meeting. Notify Owner and Engineer of scheduled meeting dates and times. 2. Agenda: Prepare the meeting agenda. Distribute the agenda to all invited attendees. 3. Minutes: Entity responsible for conducting meeting will record significant discussions and agreements achieved. Distribute the meeting minutes to everyone concerned, including Owner, Construction Manager, and Engineer, within three (3) days of the meeting. B. Preconstruction Conference: Engineer will schedule and conduct a preconstruction conference before starting construction, at a time convenient to Owner and Engineer, but no later than fifteen (15) days after execution of the Agreement. 1. Attendees: Authorized representatives of Owner, Construction Manager, Engineer, and their consultants; Contractor and its superintendent; major subcontractors; suppliers; and other concerned parties shall attend the conference. Participants at the conference shall be familiar with Project and authorized to conclude matters relating to the Work. 2. Agenda: Discuss items of significance that could affect progress, including the following: a. Tentative construction schedule. b. Phasing. c. Critical work sequencing and long-lead items. d. Designation of key personnel and their duties. e. Procedures for processing field decisions and Change Orders. f. Procedures for RFIs. g. Procedures for testing and inspecting. h. Procedures for processing Applications for Payment. i. Distribution of the Contract Documents. j. Submittal procedures. k. Preparation of record documents. l. Use of the premises and existing building. m. Work restrictions. n. Working hours. o. Owner's occupancy requirements. p. Responsibility for temporary facilities and controls. q. Procedures for disruptions and shutdowns. PROJECT MANAGEMENT AND COORDINATION HEADWORKS UPGRADE PROJECT

16 r. Construction waste management and recycling. s. Parking availability. t. Office, work, and storage areas. u. Equipment deliveries and priorities. v. First aid. w. Security. x. Progress cleaning. 3. Minutes: Entity responsible for conducting meeting will record and distribute meeting minutes. C. Preinstallation Conferences: Conduct a preinstallation conference at Project site before each construction activity that requires coordination with other construction. 1. Attendees: Installer and representatives of manufacturers and fabricators involved in or affected by the installation and its coordination or integration with other materials and installations that have preceded or will follow, shall attend the meeting. Advise Engineer, Construction Manager of scheduled meeting dates. 2. Agenda: Review progress of other construction activities and preparations for the particular activity under consideration, including requirements for the following: a. Contract Documents. b. Options. c. Related RFIs. d. Related Change Orders. e. Purchases. f. Deliveries. g. Submittals. h. Review of mockups. i. Possible conflicts. j. Compatibility problems. k. Time schedules. l. Weather limitations. m. Manufacturer's written instructions. n. Warranty requirements. o. Compatibility of materials. p. Acceptability of substrates. q. Temporary facilities and controls. r. Space and access limitations. s. Regulations of authorities having jurisdiction. t. Testing and inspecting requirements. u. Installation procedures. v. Coordination with other work. w. Required performance results. x. Protection of adjacent work. y. Protection of construction and personnel. 3. Record significant conference discussions, agreements, and disagreements, including required corrective measures and actions. 4. Reporting: Distribute minutes of the meeting to each party present and to other parties requiring information. PROJECT MANAGEMENT AND COORDINATION HEADWORKS UPGRADE PROJECT

17 5. Do not proceed with installation if the conference cannot be successfully concluded. Initiate whatever actions are necessary to resolve impediments to performance of the Work and reconvene the conference at earliest feasible date. D. Progress Meetings: Construction Manager will conduct progress meetings at weekly intervals. 1. Attendees: In addition to representatives of Owner, Construction Manager, and Engineer, each contractor, subcontractor, supplier, and other entity concerned with current progress or involved in planning, coordination, or performance of future activities shall be represented at these meetings. All participants at the meeting shall be familiar with Project and authorized to conclude matters relating to the Work. 2. Agenda: Review and correct or approve minutes of previous progress meeting. Review other items of significance that could affect progress. Include topics for discussion as appropriate to status of Project. a. Contractor's Construction Schedule: Review progress since the last meeting. Determine whether each activity is on time, ahead of schedule, or behind schedule, in relation to Contractor's construction schedule. Determine how construction behind schedule will be expedited; secure commitments from parties involved to do so. Discuss whether schedule revisions are required to ensure that current and subsequent activities will be completed within the Contract Time. 1) Review schedule for next period. b. Contractor shall prepare three-week look ahead schedules for review at each progress meeting. The three-week look ahead schedules are not an acceptable substitute for CPM schedule updates that must be submitted with Contractor s monthly partial payment requests. c. Review present and future needs of each entity present, including the following: 1) Interface requirements. 2) Sequence of operations. 3) Status of submittals. 4) Status of documentation. 5) Deliveries. 6) Off-site fabrication. 7) Access. 8) Site utilization. 9) Temporary facilities and controls. 10) Progress cleaning. 11) Quality and work standards. 12) Status of correction of deficient items. 13) Field observations. 14) Status of RFIs. 15) Status of proposal requests. 16) Pending changes. 17) Status of Change Orders. 18) Pending claims and disputes. 19) Documentation of information for payment requests. PROJECT MANAGEMENT AND COORDINATION HEADWORKS UPGRADE PROJECT

18 3. Minutes: Entity responsible for conducting the meeting will record and distribute the meeting minutes to each party present and to parties requiring information. a. Schedule Updating: Revise Contractor's construction schedule after each progress meeting where revisions to the schedule have been made or recognized. Issue revised schedule concurrently with the report of each meeting. 4. It is noted that inspection will not be provided during scheduled progress meetings. Contractor is not permitted to perform work that requires inspection (as determined by Owner) during the progress meetings. Contractor shall adjust his schedule to accommodate said bi-weekly progress meetings and no additional compensation will be provided for same. Contractor s bid shall consider Owner s requirements for weekly progress meetings. Owner, at its sole discretion, may decrease the frequency of progress meetings if deemed appropriate. PART 2 - PRODUCTS (Not Used) PART 3 - EXECUTION (Not Used) PROJECT MANAGEMENT AND COORDINATION HEADWORKS UPGRADE PROJECT

19 To (Engineer): SAMPLE CONTRACTOR'S REQUEST FOR INFORMATION (RFI) # From (Contractor): Subject: Reference: Construction Drawing: Information is requested as follows: Specification (Section and Page): REQUEST Information Requested By (Name): Response Requested By (Date): Received by Engineer/CM (Date): Response to Information Request: RESPONSE Date: Response By (Name): Final Distribution: Date: Page of PROJECT MANAGEMENT AND COORDINATION HEADWORKS UPGRADE PROJECT

20 SAMPLE CONTRACTOR'S REQUEST FOR CHANGE (RFC) # To (Engineer): From (Contractor): Subject: Reference: Construction Drawing: The following change is requested: Specification (Section and Page): REQUEST Change Requested By (Name): Response Requested By (Date): Received by Engineer/CM (Date): Benefit to Owner: Date: Benefit to Contractor: Cost and/or Schedule Impact: PROJECT MANAGEMENT AND COORDINATION HEADWORKS UPGRADE PROJECT

21 Change Order Required or Proposed? Response to Change Request: (1) YES NO RESPONSE RESPONSE (Continued) Response By (Name): Date: (1) It is understood that certain RFCs can be responded to promptly, with minimal expenditures required by Owner. It is also understood that other RFCs require significant expenditures by Owner in order to properly evaluate and respond to Contractor's RFC. For those RFCs that fall in the latter category, Owner will provide an estimate (time and money) to Contractor as an initial response to RFC. Contractor may then elect to have Owner proceed with evaluating Contractor's RFC (with estimated value deducted from Contractor's Contract with Owner), or elect to withdraw Contractor's RFC. Final Distribution: END OF SECTION PROJECT MANAGEMENT AND COORDINATION HEADWORKS UPGRADE PROJECT

22 SECTION CONSTRUCTION PROGRESS DOCUMENTATION PART 1 - GENERAL 1.1 SUMMARY A. Section includes administrative and procedural requirements for documenting the progress of construction during performance of the Work, including the following: 1. Contractor's construction schedule. 2. Construction schedule updating reports. 3. Daily construction reports. 4. Site condition reports. 1.2 RELATED SECTIONS: A. General Conditions 1.3 DEFINITIONS A. Activity: A discrete part of a project that can be identified for planning, scheduling, monitoring, and controlling the construction project. Activities included in a construction schedule consume time and resources. 1. Critical Activity: An activity on the critical path that must start and finish on the planned early start and finish times. 2. Predecessor Activity: An activity that precedes another activity in the network. 3. Successor Activity: An activity that follows another activity in the network. B. CPM: Critical path method, which is a method of planning and scheduling a construction project where activities are arranged based on activity relationships. Network calculations determine when activities can be performed and the critical path of Project. C. Critical Path: The longest connected chain of interdependent activities through the network schedule that establishes the minimum overall Project duration and contains no float. D. Float: The measure of leeway in starting and completing an activity. 1. Float time is not for the exclusive use or benefit of either Owner or Contractor, but is a jointly owned, expiring Project resource available to both parties as needed to meet schedule milestones and Contract completion date. 1.4 INFORMATIONAL SUBMITTALS A. Format for Submittals: Submit required submittals in the following format: CONSTRUCTION PROGRESS DOCUMENTATION HEADWORKS UPGRADE PROJECT

23 1. Working electronic copy of schedule file, where indicated. 2. PDF electronic file. B. Startup Network Diagram: Of size required to display entire network for entire construction period. Show logic ties for activities. C. Contractor's Construction Schedule: Initial schedule, of size required to display entire schedule for entire construction period. 1. Submit a working electronic copy of schedule labeled to comply with requirements for submittals. Include type of schedule (initial or updated) and date on label. D. CPM Reports: Concurrent with CPM schedule, submit each of the following reports. Format for each activity in reports shall contain activity number, activity description, original duration, remaining duration, early start date, early finish date, late start date, late finish date, and total float in calendar days. 1. Activity Report: List of all activities sorted by activity number and then early start date, or actual start date if known. 2. Logic Report: List of preceding and succeeding activities for all activities, sorted in ascending order by activity number and then early start date, or actual start date if known. 3. Total Float Report: List of all activities sorted in ascending order of total float. 4. Earnings Report: Compilation of Contractor's total earnings from the Notice to Proceed until most recent Application for Payment. E. Construction Schedule Updating Reports: Submit with Applications for Payment. F. Daily Construction Reports: Submit at weekly intervals to the Construction Manager. G. Site Condition Reports: Submit at time of discovery of differing conditions. 1.5 COORDINATION A. Coordinate Contractor's construction schedule with the schedule of values, submittal schedule, progress reports, payment requests, and other required schedules and reports. 1. Secure time commitments for performing critical elements of the Work from entities involved. 2. Coordinate each construction activity in the network with other activities and schedule them in proper sequence. PART 2 - PRODUCTS 2.1 CONTRACTOR'S CONSTRUCTION SCHEDULE, GENERAL A. Time Frame: Extend schedule from date established for the Notice to Proceed to date of final completion. CONSTRUCTION PROGRESS DOCUMENTATION HEADWORKS UPGRADE PROJECT

24 1. Contract completion date shall not be changed by submission of a schedule that shows an early completion date, unless specifically authorized by Change Order. B. Activities: Treat each separate area as a separate numbered activity for each main element of the Work. Comply with the following: 1. Activity Duration: Define activities so no activity is longer than twenty (20) days, unless specifically allowed by Engineer. 2. Procurement Activities: Include procurement process activities for the long lead items, major items, and Owner Selected equipment requiring a cycle of more than 60 days, as separate activities in schedule. Procurement cycle activities include, but are not limited to, submittals, approvals, purchasing, fabrication, and delivery. 3. Submittal Review Time: Include review and resubmittal times in schedule as indicated in Section "Contractor Submittals." Coordinate submittal review times in Contractor's construction schedule with submittal schedule. 4. Startup and Testing Time: Include no fewer than fifteen (15) days for startup and testing. 5. Substantial Completion: Indicate completion in advance of date established for Substantial Completion, and allow time for Engineer's and Construction Manager's administrative procedures necessary for certification of Substantial Completion. 6. Punch List and Final Completion: Include not more than thirty (30) days for completion of punch list items and final completion. C. Constraints: Include constraints and work restrictions indicated in the Contract Documents and as follows in schedule, and show how the sequence of the Work is affected. 1. Phasing: Arrange list of activities on schedule by phase. 2. Work under More Than One Contract: Include a separate activity for each contract. 3. Work by Owner: Include a separate activity for each portion of the Work performed by Owner. 4. Work Restrictions: Show the effect of the following items on the schedule: a. Coordination with existing construction. b. Limitations of continued occupancies. c. Uninterruptible services. d. Partial occupancy before Substantial Completion. e. Use of premises restrictions. f. Provisions for future construction. g. Seasonal variations. h. Environmental control. 5. Work Stages: Indicate important stages of construction for each major portion of the Work. D. Milestones: Include milestones indicated in the Contract Documents in schedule, including, but not limited to, the Notice to Proceed, Substantial Completion, and final completion. E. Upcoming Work Summary: Prepare summary report indicating activities scheduled to occur or commence prior to submittal of next schedule update. Summarize the following issues: 1. Unresolved issues. 2. Unanswered Requests for Information. CONSTRUCTION PROGRESS DOCUMENTATION HEADWORKS UPGRADE PROJECT

25 3. Rejected or unreturned submittals. 4. Notations on returned submittals. 5. Pending modifications affecting the Work and Contract Time. F. Recovery Schedule: When periodic update indicates the Work is fourteen (14) or more calendar days behind the current approved schedule, submit a separate recovery schedule indicating means by which Contractor intends to regain compliance with the schedule. G. Computer Scheduling Software: Prepare schedules using current version of a program that has been developed specifically to manage construction schedules. 2.2 CONTRACTOR'S CONSTRUCTION SCHEDULE (GANTT CHART) A. Gantt-Chart Schedule: Submit a comprehensive, fully developed, horizontal, Gantt-chart-type, Contractor's construction schedule within thirty (30) days of date established for the Notice to Proceed. B. Preparation: Indicate each significant construction activity separately. Identify first workday of each week with a continuous vertical line. 1. For construction activities that require three months or longer to complete, indicate an estimated completion percentage in ten (10) percent increments within time bar. 2.3 CONTRACTOR'S CONSTRUCTION SCHEDULE (CPM SCHEDULE) A. General: Prepare network diagrams using AON (activity-on-node) format. B. Startup Network Diagram: Submit diagram within fourteen (14) days of date established for the Notice to Proceed. Outline significant construction activities for the first ninety (90) days of construction. Include skeleton diagram for the remainder of the Work and a cash requirement prediction based on indicated activities. C. CPM Schedule: Prepare Contractor's construction schedule using a time-scaled CPM network analysis diagram for the Work. 1. Develop network diagram in sufficient time to submit CPM schedule so it can be accepted for use no later than sixty (60) days after date established for the Notice to Proceed. a. Failure to include any work item required for performance of this Contract shall not excuse Contractor from completing all work within applicable completion dates, regardless of Engineer's approval of the schedule. 2. Establish procedures for monitoring and updating CPM schedule and for reporting progress. Coordinate procedures with progress meeting and payment request dates. 3. Use "one workday" as the unit of time for individual activities. Indicate nonworking days and holidays incorporated into the schedule in order to coordinate with the Contract Time. CONSTRUCTION PROGRESS DOCUMENTATION HEADWORKS UPGRADE PROJECT

26 D. CPM Schedule Preparation: Prepare a list of all activities required to complete the Work. Using the startup network diagram, prepare a skeleton network to identify probable critical paths. 1. Activities: Indicate the estimated time duration, sequence requirements, and relationship of each activity in relation to other activities. Include estimated time frames for the following activities: a. Preparation and processing of submittals. b. Mobilization and demobilization. c. Purchase of materials. d. Delivery. e. Fabrication. f. Utility interruptions. g. Installation. h. Work by Owner that may affect or be affected by Contractor's activities. i. Testing and commissioning. j. Punch list and final completion. k. Activities occurring following final completion. 2. Critical Path Activities: Identify critical path activities, including those for interim completion dates. Scheduled start and completion dates shall be consistent with Contract milestone dates. 3. Processing: Process data to produce output data on a computer-drawn, time-scaled network. Revise data, reorganize activity sequences, and reproduce as often as necessary to produce the CPM schedule within the limitations of the Contract Time. 4. Format: Mark the critical path. Locate the critical path near center of network; locate paths with most float near the edges. a. Sub networks on separate sheets are permissible for activities clearly off the critical path. E. Contract Modifications: For each proposed contract modification and concurrent with its submission, prepare a time-impact analysis using a network fragment to demonstrate the effect of the proposed change on the overall project schedule. F. Initial Issue of Schedule: Prepare initial network diagram from a sorted activity list indicating straight "early start-total float." Identify critical activities. Prepare tabulated reports showing the following: 1. Contractor or subcontractor and the Work or activity. 2. Description of activity. 3. Main events of activity. 4. Immediate preceding and succeeding activities. 5. Early and late start dates. 6. Early and late finish dates. 7. Activity duration in workdays. 8. Total float or slack time. 9. Average size of workforce. 10. Dollar value of activity (coordinated with the schedule of values). CONSTRUCTION PROGRESS DOCUMENTATION HEADWORKS UPGRADE PROJECT

27 G. Schedule Updating: Concurrent with making revisions to schedule, prepare tabulated reports showing the following: 1. Identification of activities that have changed. 2. Changes in early and late start dates. 3. Changes in early and late finish dates. 4. Changes in activity durations in workdays. 5. Changes in the critical path. 6. Changes in total float or slack time. 7. Changes in the Contract Time. 2.4 REPORTS A. Daily Construction Reports: The Contractor shall prepare a daily construction report recording the following information concerning events at Project site: 1. List of subcontractors at Project site. 2. List of separate contractors at Project site. 3. Approximate count of personnel at Project site. 4. Equipment at Project site. 5. Material deliveries. 6. High and low temperatures and general weather conditions, including presence of rain or snow. 7. Accidents. 8. Meetings and significant decisions. 9. Unusual events. 10. Stoppages, delays, shortages, and losses. 11. Meter readings and similar recordings. 12. Emergency procedures. 13. Orders and requests of authorities having jurisdiction. 14. Change Orders received and implemented. 15. Work Change Directives received and implemented. 16. Services connected and disconnected. 17. Equipment or system tests and startups. 18. Partial completions and occupancies. 19. Substantial Completions authorized. B. Site Condition Reports: Immediately on discovery of a difference between site conditions and the Contract Documents, prepare and submit a detailed report. Submit with a Request for Information. Include a detailed description of the differing conditions, together with recommendations for changing the Contract Documents. C. Quarterly Reports: The Contractor shall assist the Authority, as requested, in preparing quarterly reports, which shall include at a minimum, the following: 1. A summary of progress to date including a description of progress since the last report, percent construction complete, percent contractor invoiced, and percent schedule elapsed. 2. A description of compliance with environmental requirements. 3. A listing of change orders including amount, description of work, and change in contract amount and schedule. CONSTRUCTION PROGRESS DOCUMENTATION HEADWORKS UPGRADE PROJECT