15_PART_D_-_DETAIL_SPECIFICATIONS_JM.doc

PART D - DETAIL SPECIFICATIONSPRIVATE

D-1. SUMMARY OF WORK

A. GENERAL

1. This Section is applicable to all branches of Work

2. Project will be constructed under a single, General Construction contract on a gross price (Stipulated Sum) basis.

3. All Construction Documents shall be reviewed by all trades and subcontractors since it is the purpose to cover, in a general way, the items involved in the construction work. The enumeration of specified items shall not be construed as a complete list of all the Work to be performed. The Contractor shall coordinate all trades and subcontractors.

4. All materials removed in the course of demolition shall become the property of the Contractor and shall be removed from the site and properly disposed of at his sole expense, except as specified to be relocated and/or salvaged by the City.

5. Attendance of the Pre-Bid Conference may be mandatory. See Specification for further direction. If attendance is not mandatory, attendance at the Pre-Bid Conference is highly recommended in order to observe the scope of work and existing field conditions. Some of the work is categorized as Unit Price-based activities. The various Unit Price items are identified on the Drawings and/or within the Specifications. See Drawings and Technical Specifications for additional information.

B. WORK COVERED BY THE CONTRACT DOCUMENTS

Work shall include the furnishing of all labor, materials, superintendence, equipment, tools, services for and incidental to the improvements proposed as are shown on the drawings and/or as specified by these specifications for the Rockefeller Greenhouse Campus CM-R Improvments.

The project consists of 3 parts;

Project 1 is a Traditional Design-Build for the Rockefeller Greenhouse Admin Building, Forestry Garage, and

Historic Brick Garage.

Project 2 is a Traditional Design-Build for the Rockefeller Main Greenhouse General Improvements.

Project 3 is a Progressive Design Build project for the Rockefeller Main Greenhouse solar glazing, with an allowance to cover the entire project.

SUMMARY OF WORK – ALTERNATES

C. GENERAL

1. All applicable requirements of all other portions of the Contract Documents apply to the work of any selected Alternates.

2. The Bid Schedule of Prices identifies each Alternate Item by number and describes the basic changes to be incorporated into the Work only when the Alternate Item is made a part of the Work by specific inclusion to the City-Contractor Agreement. The description of the Work as listed therein is not intended to be a complete specification of all work included. Conform to the Drawings and Technical Specifications for requirements.

3. Definitions and explanations: “Alternates” are defined in Part C. Selection may occur prior to award of Contract or may be deferred for possible selection at a date subsequent to signing of City-Contractor Agreement, in which case the Alternate will be made part of the Work by a written modification to the Contract.

4. Each contractor and subcontractor shall read the descriptions of each Alternate Item listed and determine the extent to which their work is affected.

5. Submit, in the space provided on the Schedule of Prices, an amount for each Alternate Item to be added to or deducted from the Base Bid. THE DOLLAR AMOUNT OF THE CONTRACT AWARD (“BID PRICE”) SHALL BE BASED UPON THE SUM OF THE BASE BID AND ANY ALTERNATE ITEMS ACCEPTED.

6. Each Alternate Item shall be complete in every detail for conformance with the Contract Documents.

7. Include in the Alternate price the cost of all work for all trades, including modification of other related items, and overhead and profit for a single gross price.

8. Refer to Instructions to Bidders for a description of how Alternate Item prices affect award of the Contract.

9. Coordinate pertinent related work and modify surrounding work as required, to properly integrate the work under each Alternate Item and to provide the completed construction required by Contract Documents

D-2. SUMMARY OF WORK – UNIT PRICE ITEMS

A. GENERAL

1. Definition – a Unit Price is an amount incorporated in the Agreement, applicable during the duration of the Work as a price per unit of measurement for materials, equipment, or services, or a portion of the Work, added to or deducted from the Bid Price by appropriate modification, if the Scope of Work or estimated quantities of Work required by the Contract Documents is increased or decreased.

2. The Contractor shall include Unit Prices for each item listed in the Schedule of Prices. Unit Prices are not part of the Bid Price.

3. All applicable requirements of all other portions of the Contract Documents apply to the work of this Section.

4. Each Unit Price item shall be complete in every detail for conformance with the Contract Documents.

5. Unit Prices shall include the cost of all work for all trades, including modification of other related items, and overhead and profit for unit price item.

6. Coordinate pertinent related work and modify surrounding work as required to properly integrate the work under each Unit Price item and to provide the completed construction required by Contract Documents.

7. The City reserves the right to reject the Contractor’s measurement of work-in-place that involves use of established unit prices and have the work measured at the City’s expense.

D-3. SUMMARY OF WORK – ALLOWANCES

A. The Contractor shall include all the Allowances listed in the Schedule of Prices in his bid, in accordance with requirements of respective paragraphs as further defined in Part C – Supplemental General Conditions.

B. Approval of the use of Allowance funds shall be in accordance with Part C – Supplemental General Conditions.

D-4. EXAMINATIONS OF PREMISES

A. Before submitting a bid, each bidder shall visit and examine the premises and satisfy himself as to the existing conditions under which he will be obliged to operate or that will in any way affect the work to be done under this contract.

B. No requests for a change in contract cost or duration due to the Contractor’s error or negligence in identifying foreseeable existing conditions will be approved.

D-5. LOCATIONS

A. The particular site where the work will be done under this contract is as follows:

Rockefeller Greenhouse Campus

750 E 88th St.

Cleveland, OH 44108

D-6. APPLICABLE CODES

A. The current OHIO BUILDING CODE as administered and modified by the local authority having jurisdiction shall govern the Work. Additional regulatory constraints may apply. It is the Contractor’s responsibility to comply with all applicable laws and regulations.

D-7. PERMITS

A. The Contractor shall bear sole responsibility to secure and pay for ALL fees, licenses, and permits required and/or needed to complete the work under this Contract.

B. The Contractor is not responsible to pay for plans examination fees for building permits, unless specifically identified in the Contract Documents.

C. The Contractor is responsible for any street and/or sidewalk closure permits. The Contractor shall notify the Project Manager of any street and/or sidewalk restrictions or closures in writing at least one (1) week in advance.

D-8. UTILITY PROTECTION

A. Indications of existing utilities are based on office records and site visits. The drawings do not purport to be 100% accurate and should not be construed as such. The City of Cleveland is not responsible for omissions from the contract of any services, structures, underground lines, nor misrepresentation as to the type or to the location. The Contractor must notify all of City’s utilities when his work is in progress. The Contractor will be responsible to have the service repaired as per the utility companies' policies if his labor force or equipment (including subcontractors) damages the utility or if the utility is damaged as a result of neglect or failure to provide adequate protection by the Contractor (including subcontractors).

B. Prior to the commencement of any contract work, the Contractor shall contact the Ohio Utilities Protection Service (OUPS) at 1-800-362-2764 as required by Sections 3781.25 ‑ 3781.32 of the Ohio Revised Code (revised 3/14/89). Upon contacting OUPS, the Contractor will be given a reference file number. The Contractor shall be responsible to give that reference file number to the project manager / architect prior to construction. The General Contractor shall be responsible to contact OUPS and assumes all responsibility for his employees and his subcontractors and their employees. Work shall not commence until this requirement is met.

D-9. SPACE FOR WORKING FACILITIES

A. The areas to be used by the Contractor shall be within the contract limit lines and within the property limit. THE CONTRACTOR SHALL NOT ENTER THE SITE UNTIL ALL CONSTRUCTION ACTIVITIES AND SCHEDULES HAVE BEEN APPROVED BY THE ARCHITECT AND/OR THE DIRECTOR’S DESIGNEE. The Contractor shall coordinate staging, dumpster, tool storage, and/or field office location with City prior to commencement of work at each project site.

B. FIELD OFFICE AND STORAGE

1. Provide prefabricated or mobile units with serviceable finishes, temperature controls, and foundations adequate for normal loading of sufficient size to accommodate needs of City, Architect, and construction personnel office activities and to accommodate project meetings as specified. Keep office clean and orderly. Furnish and equip offices as follows:

a. Furniture required for Project-site documents including file cabinets, plan tables, plan racks, and bookcases.

b. Complete set of plans and specifications, current including all revisions.

c. Copies of all RFIs, RFI responses, submittals, and product samples.

d. Conference room of sufficient size to accommodate meetings of 10 individuals. Provide electrical power service and 120-V AC duplex receptacles, with not less than 1 receptacle on each wall. Furnish room with conference table, chairs, and 4-foot-square tack and marker boards.

e. Drinking water and private toilet.

f. Heating and cooling equipment necessary to maintain a uniform indoor temperature of 68 to 72 deg F.

g. Lighting fixtures capable of maintaining average illumination of 20 fc at desk height.

h. Electronic Communication Service: Provide a desktop computer in the primary field office adequate for use by Architect and City to access project electronic documents and maintain electronic communications. Equip with not less than the following:

i. Printer: "All-in-one" unit equipped with printer server, combining color printing, photocopying, scanning, or separate units for each of these 3 functions.

ii. Internet Service: Broadband modem, router and ISP, equipped with hardware firewall, providing minimum 384 Kbps upload and 1 Mbps download speeds at each computer

C. DUMPSTERS

1. Provide dumpsters of type and capacity as required. The Contractor must immediately empty and/or remove the dumpster(s) from the site when full or at minimum, on regularly scheduled intervals.

D-10. SCHEDULE, SITE RESTRICTIONS

A. SCHEDULE

1. The building and site May be occupied during demolition and construction activities. It is in the interest of the City to have the Contractor complete the proposed improvements as soon as possible.

2. The Contractor will be expected to utilize whatever manpower, methods, and means necessary to complete the Work on schedule.

3. The Contractor shall provide a detailed Construction Schedule indicating order of anticipated units to be worked on, starting times, completions times, activity dependencies, and critical path. The Contractor shall present the Construction Schedule at the Pre-Construction Meeting for review and approval by the City.

a. Coordinate work with the City’s Project Manager and conduct construction operations in such a manner as to expedite the work.

b. A primary property contact will be identified at the Pre-Construction Meeting. Notify this property contact and the Project Manager, in writing, at least 72 hours in advance in areas that may be required to be restricted from public access.

4. Coordinate and schedule all phases of the work with the Project Manager, the property contact, the Subcontractors, the Material Suppliers, and other parties as necessary to ensure the smooth and orderly transition of separate phases and to meet the schedule and requirements of the City.

a. Phase the work to allow for access to the site by the public, the City’s personnel, deliveries, and maintenance.

5. Coordinate delivery of materials and disposal of debris with the City. Remove at the end of each work day.

6. Perform routine work each day in a consistent manner, so that the City and the public can predict the time that noise or other inconveniences are likely to occur.

7. Do not proceed with the work when climactic conditions are outside of the respective manufacturer’s recommended limitations for installation.

B. SITE RESTRICTIONS

1. The City will occupy the site and conduct normal operations during the entire period of construction. Cooperate with the Project Manager and property contact in scheduling project operations to minimize conflict and to facilitate the City’s usage. The City retains the right to conduct other work, whether with the City’s own forces or with a separate Contractor, on the Project site. The Contractor is responsible to coordinate his work with any additional work being performed.

a. The Contractor shall not have use of site and building except for the areas of work.

b. Maintain use of the site and building at all times. Maintain safe means of egress and life safety systems from the building during construction. Schedule to complete work in the area of the building to allow access to the building at all times. Provide protection barriers as required for the safety of the occupants and public. Cooperate with the facility personnel and follow instructions.

i. Confine operations at site to areas permitted by law, ordinances, permits, Contract Documents, and City’s specific instructions.

ii. Do not unreasonably encumber site with materials or equipment. Staging area will be located as directed by City.

iii. Do not load structure with weight that will endanger structure. Loading determinations are part of Means and Methods and are the responsibility of the Contractor.

iv. Assume full responsibility for protection and safekeeping of tools and products stored on or off premises.

v. Move stored products which interfere with operations of building or the operations of other trades.

vi. Obtain and pay for use of additional storage or work areas needed for operations.

c. Assume full responsibility for protection and safety of the City’s personnel, visitors and the public.

i. Erect protective measures prior to the start of construction operations to shield persons and structures from damage, injury, and hazardous materials.

ii. Protect building and ground surfaces from contamination, soiling, and damage during the work.

iii. Protect buildings, building interiors, building components, equipment, roads, approaches, parking areas, sidewalks, vehicles, trees, shrubs, and other plant materials from damage, staining, or defacing due to the work.

iv. Protect the installed work.

v. Provide temporary weatherproof protection to seal up openings and protect uncompleted work at the end of each work day and in the event of inclement weather.

d. Conduct Project operations to ensure the least inconvenience to the City and to the Public.

e. Where overhead work is performed, provide proper protection below.

f. Lock all vehicles and equipment when parked and unattended so as to prevent unauthorized use, damage, or theft. Do not leave such vehicles or equipment unattended with motor running or the ignition key in place.

g. Staging of materials and storage of vehicles, equipment, and materials shall be coordinated with facility personnel.

h. Comply with limitations on use of public streets and other requirements of authorities having jurisdiction.

i. Coordinate operations that may result in high levels of noise and vibration, odors, or other disruption to adjacent properties with City’s representative.

j. Smoking is not permitted within the building(s) or within 25 feet of entrances, operable windows, or outdoor air intakes.

C. SANITARY FACILITIES USE

1. Toilets: Use of City's existing toilet facilities will be permitted, if available, provided that the existing facilities are cleaned and maintained in a condition acceptable to City. At Final Completion, restore these facilities to condition existing before initial use. If no public toilet facilities are available, the Contractor is responsible to provide their own toileting facilities for their workers, including Subcontractors.

D. WATER SERVICE USE

1. Use of water from City's existing water system is permitted if available without metering and without payment of use charges. Provide connections and extensions of services as required for construction operations. If no water service is available, the Contractor is responsible to provide their own water service.

E. ELECTRICAL POWER SERVICE USE

1. Electric power from City's existing system is permitted if available without metering and without payment of use charges. Provide connections and extensions of services as required for construction operations. Maintain equipment in a condition acceptable to the City. If no electric power is available, the Contractor is responsible to provide their own electrical service.

2. Connect to City's existing electric power service. Maintain equipment in a condition acceptable to City.

3. Provide temporary lighting with local switching that provides adequate illumination for construction operations, observations, inspections, and traffic conditions. Install and operate temporary lighting that fulfills security and protection requirements without operating entire system.

4. Provide superintendent with cellular telephone or portable two-way radio for use when away from field office.

F. EXISTING STAIR AND RAMP USAGE

1. Use of City's existing stairs and ramps will be permitted, provided stairs and ramps are cleaned and maintained in a condition acceptable to City and that use of stairs and ramps does not interfere with normal operations of the facility. Prior to Final Acceptance, restore stairs and ramps to condition existing before initial use.

2. Provide protective coverings, barriers, devices, signs, or other procedures to protect stairs and ramps and to maintain means of egress. If stairs and ramps become damaged, restore damaged areas so no evidence remains of correction work at no additional cost to City.

G. INSPECTION OF THE SCOPE OF WORK:

1. The Contractor shall inspect the site and become thoroughly familiar with the Contract Documents prior to submitting bid and shall note other work that may be required as well as the nature of the conditions under which the work is to be performed. Submission of the bid shall confirm that the Contractor has fully investigated the site conditions all the related work to be done.

H. SPECIAL INSPECTIONS:

1. The Ohio Building Code (OBC) Section 1704 “Special Inspections” requires that one or more Special Inspectors be employed to provide inspections during construction on the types of work listed in OBC Section 1704. It shall be the responsibility of the Contractor to engage one or more qualified testing firms to conduct these required inspections. The cost for all Special Inspections shall be included in the Contractor’s Base Bid. The selection of the testing firm shall be approved by the City.

D-11. PHOTOGRAPHIC DOCUMENTATION

A. Contractor shall provide full-color, digital images, free of copyright or usage restrictions, in .jpg format, produced by a digital camera with minimum sensor size of 8 mega pixels, 4:3 aspect ratio, and at an image resolution of not less than 3264 × 2448 pixels.

B. Take photographs using the maximum range of depth of field, and that are in focus, to clearly show the Work. Photographs with blurry or out-of-focus areas will not be accepted.

C. Submit to the Architect and to the City digital images within five (5) days of taking photographs, exactly as originally recorded in the digital camera, without alteration, manipulation, editing, or modifications using image-editing software. Maintain one set of images accessible in the field office at Project site, available at all times for reference. Identify images in the same manner as those submitted to Architect. Include date and time in file name for each image, unless noted otherwise.

1. Preconstruction Photographs: Before commencement of any work or demolition, take photographs of Project site and surrounding properties, including existing items to remain during construction, from different vantage points, as directed by Architect. Provide a minimum of twenty (20) color photographs.

2. Periodic Construction Photographs: Provide a minimum of ten (10) color photographs weekly. Select vantage points to show status of construction and progress since last photographs were taken.

3. Final Completion Construction Photographs: Provide minimum of twenty (20) color photographs after date of Substantial Completion for submission as project record documents. Architect will inform photographer of desired vantage points.

4. Other Photographs: Provide additional or incidental photographs as necessary to record project conditions, construction progress, etc., at the discretion of the Contractor or as requested by Architect and/or City.

D. Include Project Name, Architect, Contractor and date of image taken in metadata file tag. Label each digital image clearly and sequentially. Include vantage point, indicating location, direction (by compass point), and elevation or story of construction.

D-12. TIME OF COMPLETION

A. Work shall begin no later than fourteen (14) days after Date of Commencement as defined in Part C. All work required to achieve Final Acceptance, including punch-lists and close-out submittals, shall be completed by the Scheduled Completion Date as described in Part C.

B. All factors affecting the construction schedule, including but not limited to product lead times; time for submission, review, and approval of submittals; foreseeable weather delays; permits; inspections; testing; mobilization; punch list; and all close-out items shall be taken into consideration by the bidders and become part of the construction schedule to be prepared by the Contractor after award of the Contract and presented at the Pre-Construction Meeting.

D-13. APPROVED EQUAL

A. The words "or approved equal" are implied in all cases throughout these Detail Specifications even though not expressly stated. All "or approved equal" items must be approved by the Architect and the Director and/or his designee before purchases are made by the Contractor.

PART D – DETAIL SPECIFICATIONS – DETAIL SPECIFICATIONS – PAGE 10 OF 6

PART D – DETAIL SPECIFICATIONS